diff --git a/jero-boot/jero-boot-module-certification/src/main/java/com/jero/modules/cert/collect/service/impl/ParamsCollectManifestHistoryEOServiceImpl.java b/jero-boot/jero-boot-module-certification/src/main/java/com/jero/modules/cert/collect/service/impl/ParamsCollectManifestHistoryEOServiceImpl.java
index d15de9823..87a0fd9e8 100644
--- a/jero-boot/jero-boot-module-certification/src/main/java/com/jero/modules/cert/collect/service/impl/ParamsCollectManifestHistoryEOServiceImpl.java
+++ b/jero-boot/jero-boot-module-certification/src/main/java/com/jero/modules/cert/collect/service/impl/ParamsCollectManifestHistoryEOServiceImpl.java
@@ -446,6 +446,7 @@ public class ParamsCollectManifestHistoryEOServiceImpl extends ServiceImpl newParamsInfoPublishEOList = paramsInfoPublishEOService.getListByPublishVersion(paramsManifestEO.getParamsTemplateId(), newestVersion);
diff --git a/jero-boot/jero-boot-module-certification/src/main/java/com/jero/modules/cert/report/service/impl/ParamsReportDetailEOServiceImpl.java b/jero-boot/jero-boot-module-certification/src/main/java/com/jero/modules/cert/report/service/impl/ParamsReportDetailEOServiceImpl.java
index 85d6d0b5a..2e219d6ab 100644
--- a/jero-boot/jero-boot-module-certification/src/main/java/com/jero/modules/cert/report/service/impl/ParamsReportDetailEOServiceImpl.java
+++ b/jero-boot/jero-boot-module-certification/src/main/java/com/jero/modules/cert/report/service/impl/ParamsReportDetailEOServiceImpl.java
@@ -528,6 +528,7 @@ public class ParamsReportDetailEOServiceImpl extends ServiceImpl> ocrPageInfo(
@Param("field") String field,
@Param("condition") String condition);
diff --git a/jero-boot/jero-boot-modules/src/main/java/com/jero/modules/document/service/impl/BussDocumentLibraryEOServiceImpl.java b/jero-boot/jero-boot-modules/src/main/java/com/jero/modules/document/service/impl/BussDocumentLibraryEOServiceImpl.java
index 22b76897a..7b220a782 100644
--- a/jero-boot/jero-boot-modules/src/main/java/com/jero/modules/document/service/impl/BussDocumentLibraryEOServiceImpl.java
+++ b/jero-boot/jero-boot-modules/src/main/java/com/jero/modules/document/service/impl/BussDocumentLibraryEOServiceImpl.java
@@ -3473,6 +3473,7 @@ public class BussDocumentLibraryEOServiceImpl extends ServiceImpl sysDictItems = sysDictItemServiceImpl.selectItemsAll();
//下拉选处理数据字典
-
for (Object record : records) {
Map record1 = (Map) record;
String key = "";
@@ -3580,7 +3592,9 @@ public class BussDocumentLibraryEOServiceImpl extends ServiceImpl parameter) {
@@ -3683,7 +3697,7 @@ public class BussDocumentLibraryEOServiceImpl extends ServiceImpl> mapList = queryCondition("1", cut, null);
diff --git a/jero-boot/jero-boot-modules/src/main/java/com/jero/modules/project/service/impl/ProjectLawsInventoryEOServiceImpl.java b/jero-boot/jero-boot-modules/src/main/java/com/jero/modules/project/service/impl/ProjectLawsInventoryEOServiceImpl.java
index a2e7b9a03..d147b7b0e 100644
--- a/jero-boot/jero-boot-modules/src/main/java/com/jero/modules/project/service/impl/ProjectLawsInventoryEOServiceImpl.java
+++ b/jero-boot/jero-boot-modules/src/main/java/com/jero/modules/project/service/impl/ProjectLawsInventoryEOServiceImpl.java
@@ -617,6 +617,13 @@ public class ProjectLawsInventoryEOServiceImpl extends ServiceImpl ids,String projectLibraryId,String cut) {
+ if(ObjectUtils.isEmpty(ids)){
+ if(CutEnum.CN.getValue().equals(cut)){
+ throw new JeroBootException("请选择数据");
+ }else{
+ throw new JeroBootException("Please select data");
+ }
+ }
LoginUser currentUser = (LoginUser) SecurityUtils.getSubject().getPrincipal();
int isProjectRole = checkUserRole(projectLibraryId, currentUser.getId(),"");
if(!ProjectRoleEnum.STUDIO_ENGINEER.getValue().equals(String.valueOf(isProjectRole))){
@@ -638,7 +645,6 @@ public class ProjectLawsInventoryEOServiceImpl extends ServiceImpl lawsMonthlyReportWriteEOS = this.list(wrapper);
+
+ if(lawsMonthlyReportWriteEOS.size() == 0){
+ if(CutEnum.CN.getValue().equals(lawsMonthlyReportWriteEO.getCut())){
+ throw new JeroBootException("暂无数据");
+ }else{
+ throw new JeroBootException("No data");
+ }
+ }
//法规联系人
List loginUserList = getlawsContact(lawsMonthlyReportWriteEOS);
diff --git a/jero-web/public/api_address_config.js b/jero-web/public/api_address_config.js
index 806fb064b..addff65fc 100644
--- a/jero-web/public/api_address_config.js
+++ b/jero-web/public/api_address_config.js
@@ -11,3 +11,4 @@ window._CONFIG['pdfDomainURL'] = window._CONFIG['domianURL'] + '/sys/common/pdf/
window._CONFIG['casPrefixUrl'] = 'http://cas.example.org:8443/cas'
// 预览文件地址
window._CONFIG['onlinePreviewDomainURL'] = localStorage.getItem('onlinePreviewDomainURL') ? localStorage.getItem('onlinePreviewDomainURL') : ''
+window._CONFIG['httpsOnlinePreviewDomainURL'] = localStorage.getItem('httpsOnlinePreviewDomainURL') ? localStorage.getItem('httpsOnlinePreviewDomainURL') : ''
diff --git a/jero-web/public/pdf/build/pdf.js b/jero-web/public/pdf/build/pdf.js
index aafb2eff7..63248c598 100644
--- a/jero-web/public/pdf/build/pdf.js
+++ b/jero-web/public/pdf/build/pdf.js
@@ -1,4 +1,8 @@
-/* Copyright 2017 Mozilla Foundation
+/**
+ * @licstart The following is the entire license notice for the
+ * JavaScript code in this page
+ *
+ * Copyright 2022 Mozilla Foundation
*
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
@@ -11,6 +15,9 @@
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
+ *
+ * @licend The above is the entire license notice for the
+ * JavaScript code in this page
*/
(function webpackUniversalModuleDefinition(root, factory) {
@@ -21,102 +28,104 @@
else if(typeof exports === 'object')
exports["pdfjs-dist/build/pdf"] = factory();
else
- root["pdfjs-dist/build/pdf"] = root.pdfjsDistBuildPdf = factory();
-})(this, function() {
-return /******/ (function(modules) { // webpackBootstrap
-/******/ // The module cache
-/******/ var installedModules = {};
-/******/
-/******/ // The require function
-/******/ function __w_pdfjs_require__(moduleId) {
-/******/
-/******/ // Check if module is in cache
-/******/ if(installedModules[moduleId]) {
-/******/ return installedModules[moduleId].exports;
-/******/ }
-/******/ // Create a new module (and put it into the cache)
-/******/ var module = installedModules[moduleId] = {
-/******/ i: moduleId,
-/******/ l: false,
-/******/ exports: {}
-/******/ };
-/******/
-/******/ // Execute the module function
-/******/ modules[moduleId].call(module.exports, module, module.exports, __w_pdfjs_require__);
-/******/
-/******/ // Flag the module as loaded
-/******/ module.l = true;
-/******/
-/******/ // Return the exports of the module
-/******/ return module.exports;
-/******/ }
-/******/
-/******/
-/******/ // expose the modules object (__webpack_modules__)
-/******/ __w_pdfjs_require__.m = modules;
-/******/
-/******/ // expose the module cache
-/******/ __w_pdfjs_require__.c = installedModules;
-/******/
-/******/ // identity function for calling harmony imports with the correct context
-/******/ __w_pdfjs_require__.i = function(value) { return value; };
-/******/
-/******/ // define getter function for harmony exports
-/******/ __w_pdfjs_require__.d = function(exports, name, getter) {
-/******/ if(!__w_pdfjs_require__.o(exports, name)) {
-/******/ Object.defineProperty(exports, name, {
-/******/ configurable: false,
-/******/ enumerable: true,
-/******/ get: getter
-/******/ });
-/******/ }
-/******/ };
-/******/
-/******/ // getDefaultExport function for compatibility with non-harmony modules
-/******/ __w_pdfjs_require__.n = function(module) {
-/******/ var getter = module && module.__esModule ?
-/******/ function getDefault() { return module['default']; } :
-/******/ function getModuleExports() { return module; };
-/******/ __w_pdfjs_require__.d(getter, 'a', getter);
-/******/ return getter;
-/******/ };
-/******/
-/******/ // Object.prototype.hasOwnProperty.call
-/******/ __w_pdfjs_require__.o = function(object, property) { return Object.prototype.hasOwnProperty.call(object, property); };
-/******/
-/******/ // __webpack_public_path__
-/******/ __w_pdfjs_require__.p = "";
-/******/
-/******/ // Load entry module and return exports
-/******/ return __w_pdfjs_require__(__w_pdfjs_require__.s = 15);
-/******/ })
-/************************************************************************/
-/******/ ([
-/* 0 */
-/***/ (function(module, exports, __w_pdfjs_require__) {
-
-"use strict";
+ root["pdfjs-dist/build/pdf"] = root.pdfjsLib = factory();
+})(globalThis, () => {
+return /******/ (() => { // webpackBootstrap
+/******/ "use strict";
+/******/ var __webpack_modules__ = ([
+/* 0 */,
+/* 1 */
+/***/ ((__unused_webpack_module, exports, __w_pdfjs_require__) => {
-Object.defineProperty(exports, "__esModule", {
+
+Object.defineProperty(exports, "__esModule", ({
value: true
-});
-exports.unreachable = exports.warn = exports.utf8StringToString = exports.stringToUTF8String = exports.stringToPDFString = exports.stringToBytes = exports.string32 = exports.shadow = exports.setVerbosityLevel = exports.ReadableStream = exports.removeNullCharacters = exports.readUint32 = exports.readUint16 = exports.readInt8 = exports.log2 = exports.loadJpegStream = exports.isEvalSupported = exports.isLittleEndian = exports.createValidAbsoluteUrl = exports.isSameOrigin = exports.isNodeJS = exports.isSpace = exports.isString = exports.isNum = exports.isInt = exports.isEmptyObj = exports.isBool = exports.isArrayBuffer = exports.isArray = exports.info = exports.globalScope = exports.getVerbosityLevel = exports.getLookupTableFactory = exports.deprecated = exports.createObjectURL = exports.createPromiseCapability = exports.createBlob = exports.bytesToString = exports.assert = exports.arraysToBytes = exports.arrayByteLength = exports.FormatError = exports.XRefParseException = exports.Util = exports.UnknownErrorException = exports.UnexpectedResponseException = exports.TextRenderingMode = exports.StreamType = exports.StatTimer = exports.PasswordResponses = exports.PasswordException = exports.PageViewport = exports.NotImplementedException = exports.NativeImageDecoding = exports.MissingPDFException = exports.MissingDataException = exports.MessageHandler = exports.InvalidPDFException = exports.AbortException = exports.CMapCompressionType = exports.ImageKind = exports.FontType = exports.AnnotationType = exports.AnnotationFlag = exports.AnnotationFieldFlag = exports.AnnotationBorderStyleType = exports.UNSUPPORTED_FEATURES = exports.VERBOSITY_LEVELS = exports.OPS = exports.IDENTITY_MATRIX = exports.FONT_IDENTITY_MATRIX = undefined;
+}));
+exports.VerbosityLevel = exports.Util = exports.UnknownErrorException = exports.UnexpectedResponseException = exports.UNSUPPORTED_FEATURES = exports.TextRenderingMode = exports.StreamType = exports.RenderingIntentFlag = exports.PermissionFlag = exports.PasswordResponses = exports.PasswordException = exports.PageActionEventType = exports.OPS = exports.MissingPDFException = exports.LINE_FACTOR = exports.LINE_DESCENT_FACTOR = exports.InvalidPDFException = exports.ImageKind = exports.IDENTITY_MATRIX = exports.FormatError = exports.FontType = exports.FeatureTest = exports.FONT_IDENTITY_MATRIX = exports.DocumentActionEventType = exports.CMapCompressionType = exports.BaseException = exports.AnnotationType = exports.AnnotationStateModelType = exports.AnnotationReviewState = exports.AnnotationReplyType = exports.AnnotationMode = exports.AnnotationMarkedState = exports.AnnotationFlag = exports.AnnotationFieldFlag = exports.AnnotationEditorType = exports.AnnotationEditorPrefix = exports.AnnotationEditorParamsType = exports.AnnotationBorderStyleType = exports.AnnotationActionEventType = exports.AbortException = void 0;
+exports.arrayByteLength = arrayByteLength;
+exports.arraysToBytes = arraysToBytes;
+exports.assert = assert;
+exports.bytesToString = bytesToString;
+exports.createPromiseCapability = createPromiseCapability;
+exports.createValidAbsoluteUrl = createValidAbsoluteUrl;
+exports.escapeString = escapeString;
+exports.getModificationDate = getModificationDate;
+exports.getVerbosityLevel = getVerbosityLevel;
+exports.info = info;
+exports.isArrayBuffer = isArrayBuffer;
+exports.isArrayEqual = isArrayEqual;
+exports.isAscii = isAscii;
+exports.objectFromMap = objectFromMap;
+exports.objectSize = objectSize;
+exports.setVerbosityLevel = setVerbosityLevel;
+exports.shadow = shadow;
+exports.string32 = string32;
+exports.stringToBytes = stringToBytes;
+exports.stringToPDFString = stringToPDFString;
+exports.stringToUTF16BEString = stringToUTF16BEString;
+exports.stringToUTF8String = stringToUTF8String;
+exports.unreachable = unreachable;
+exports.utf8StringToString = utf8StringToString;
+exports.warn = warn;
-var _typeof = typeof Symbol === "function" && typeof Symbol.iterator === "symbol" ? function (obj) { return typeof obj; } : function (obj) { return obj && typeof Symbol === "function" && obj.constructor === Symbol && obj !== Symbol.prototype ? "symbol" : typeof obj; };
+__w_pdfjs_require__(2);
-__w_pdfjs_require__(16);
-
-var _streams_polyfill = __w_pdfjs_require__(17);
-
-var globalScope = typeof window !== 'undefined' && window.Math === Math ? window : typeof global !== 'undefined' && global.Math === Math ? global : typeof self !== 'undefined' && self.Math === Math ? self : undefined;
-var FONT_IDENTITY_MATRIX = [0.001, 0, 0, 0.001, 0, 0];
-var NativeImageDecoding = {
- NONE: 'none',
- DECODE: 'decode',
- DISPLAY: 'display'
+const IDENTITY_MATRIX = [1, 0, 0, 1, 0, 0];
+exports.IDENTITY_MATRIX = IDENTITY_MATRIX;
+const FONT_IDENTITY_MATRIX = [0.001, 0, 0, 0.001, 0, 0];
+exports.FONT_IDENTITY_MATRIX = FONT_IDENTITY_MATRIX;
+const LINE_FACTOR = 1.35;
+exports.LINE_FACTOR = LINE_FACTOR;
+const LINE_DESCENT_FACTOR = 0.35;
+exports.LINE_DESCENT_FACTOR = LINE_DESCENT_FACTOR;
+const RenderingIntentFlag = {
+ ANY: 0x01,
+ DISPLAY: 0x02,
+ PRINT: 0x04,
+ ANNOTATIONS_FORMS: 0x10,
+ ANNOTATIONS_STORAGE: 0x20,
+ ANNOTATIONS_DISABLE: 0x40,
+ OPLIST: 0x100
};
-var TextRenderingMode = {
+exports.RenderingIntentFlag = RenderingIntentFlag;
+const AnnotationMode = {
+ DISABLE: 0,
+ ENABLE: 1,
+ ENABLE_FORMS: 2,
+ ENABLE_STORAGE: 3
+};
+exports.AnnotationMode = AnnotationMode;
+const AnnotationEditorPrefix = "pdfjs_internal_editor_";
+exports.AnnotationEditorPrefix = AnnotationEditorPrefix;
+const AnnotationEditorType = {
+ DISABLE: -1,
+ NONE: 0,
+ FREETEXT: 3,
+ INK: 15
+};
+exports.AnnotationEditorType = AnnotationEditorType;
+const AnnotationEditorParamsType = {
+ FREETEXT_SIZE: 1,
+ FREETEXT_COLOR: 2,
+ FREETEXT_OPACITY: 3,
+ INK_COLOR: 11,
+ INK_THICKNESS: 12,
+ INK_OPACITY: 13
+};
+exports.AnnotationEditorParamsType = AnnotationEditorParamsType;
+const PermissionFlag = {
+ PRINT: 0x04,
+ MODIFY_CONTENTS: 0x08,
+ COPY: 0x10,
+ MODIFY_ANNOTATIONS: 0x20,
+ FILL_INTERACTIVE_FORMS: 0x100,
+ COPY_FOR_ACCESSIBILITY: 0x200,
+ ASSEMBLE: 0x400,
+ PRINT_HIGH_QUALITY: 0x800
+};
+exports.PermissionFlag = PermissionFlag;
+const TextRenderingMode = {
FILL: 0,
STROKE: 1,
FILL_STROKE: 2,
@@ -128,12 +137,14 @@ var TextRenderingMode = {
FILL_STROKE_MASK: 3,
ADD_TO_PATH_FLAG: 4
};
-var ImageKind = {
+exports.TextRenderingMode = TextRenderingMode;
+const ImageKind = {
GRAYSCALE_1BPP: 1,
RGB_24BPP: 2,
RGBA_32BPP: 3
};
-var AnnotationType = {
+exports.ImageKind = ImageKind;
+const AnnotationType = {
TEXT: 1,
LINK: 2,
FREETEXT: 3,
@@ -161,7 +172,31 @@ var AnnotationType = {
THREED: 25,
REDACT: 26
};
-var AnnotationFlag = {
+exports.AnnotationType = AnnotationType;
+const AnnotationStateModelType = {
+ MARKED: "Marked",
+ REVIEW: "Review"
+};
+exports.AnnotationStateModelType = AnnotationStateModelType;
+const AnnotationMarkedState = {
+ MARKED: "Marked",
+ UNMARKED: "Unmarked"
+};
+exports.AnnotationMarkedState = AnnotationMarkedState;
+const AnnotationReviewState = {
+ ACCEPTED: "Accepted",
+ REJECTED: "Rejected",
+ CANCELLED: "Cancelled",
+ COMPLETED: "Completed",
+ NONE: "None"
+};
+exports.AnnotationReviewState = AnnotationReviewState;
+const AnnotationReplyType = {
+ GROUP: "Group",
+ REPLY: "R"
+};
+exports.AnnotationReplyType = AnnotationReplyType;
+const AnnotationFlag = {
INVISIBLE: 0x01,
HIDDEN: 0x02,
PRINT: 0x04,
@@ -173,7 +208,8 @@ var AnnotationFlag = {
TOGGLENOVIEW: 0x100,
LOCKEDCONTENTS: 0x200
};
-var AnnotationFieldFlag = {
+exports.AnnotationFlag = AnnotationFlag;
+const AnnotationFieldFlag = {
READONLY: 0x0000001,
REQUIRED: 0x0000002,
NOEXPORT: 0x0000004,
@@ -194,49 +230,86 @@ var AnnotationFieldFlag = {
RADIOSINUNISON: 0x2000000,
COMMITONSELCHANGE: 0x4000000
};
-var AnnotationBorderStyleType = {
+exports.AnnotationFieldFlag = AnnotationFieldFlag;
+const AnnotationBorderStyleType = {
SOLID: 1,
DASHED: 2,
BEVELED: 3,
INSET: 4,
UNDERLINE: 5
};
-var StreamType = {
- UNKNOWN: 0,
- FLATE: 1,
- LZW: 2,
- DCT: 3,
- JPX: 4,
- JBIG: 5,
- A85: 6,
- AHX: 7,
- CCF: 8,
- RL: 9
+exports.AnnotationBorderStyleType = AnnotationBorderStyleType;
+const AnnotationActionEventType = {
+ E: "Mouse Enter",
+ X: "Mouse Exit",
+ D: "Mouse Down",
+ U: "Mouse Up",
+ Fo: "Focus",
+ Bl: "Blur",
+ PO: "PageOpen",
+ PC: "PageClose",
+ PV: "PageVisible",
+ PI: "PageInvisible",
+ K: "Keystroke",
+ F: "Format",
+ V: "Validate",
+ C: "Calculate"
};
-var FontType = {
- UNKNOWN: 0,
- TYPE1: 1,
- TYPE1C: 2,
- CIDFONTTYPE0: 3,
- CIDFONTTYPE0C: 4,
- TRUETYPE: 5,
- CIDFONTTYPE2: 6,
- TYPE3: 7,
- OPENTYPE: 8,
- TYPE0: 9,
- MMTYPE1: 10
+exports.AnnotationActionEventType = AnnotationActionEventType;
+const DocumentActionEventType = {
+ WC: "WillClose",
+ WS: "WillSave",
+ DS: "DidSave",
+ WP: "WillPrint",
+ DP: "DidPrint"
};
-var VERBOSITY_LEVELS = {
- errors: 0,
- warnings: 1,
- infos: 5
+exports.DocumentActionEventType = DocumentActionEventType;
+const PageActionEventType = {
+ O: "PageOpen",
+ C: "PageClose"
};
-var CMapCompressionType = {
+exports.PageActionEventType = PageActionEventType;
+const StreamType = {
+ UNKNOWN: "UNKNOWN",
+ FLATE: "FLATE",
+ LZW: "LZW",
+ DCT: "DCT",
+ JPX: "JPX",
+ JBIG: "JBIG",
+ A85: "A85",
+ AHX: "AHX",
+ CCF: "CCF",
+ RLX: "RLX"
+};
+exports.StreamType = StreamType;
+const FontType = {
+ UNKNOWN: "UNKNOWN",
+ TYPE1: "TYPE1",
+ TYPE1STANDARD: "TYPE1STANDARD",
+ TYPE1C: "TYPE1C",
+ CIDFONTTYPE0: "CIDFONTTYPE0",
+ CIDFONTTYPE0C: "CIDFONTTYPE0C",
+ TRUETYPE: "TRUETYPE",
+ CIDFONTTYPE2: "CIDFONTTYPE2",
+ TYPE3: "TYPE3",
+ OPENTYPE: "OPENTYPE",
+ TYPE0: "TYPE0",
+ MMTYPE1: "MMTYPE1"
+};
+exports.FontType = FontType;
+const VerbosityLevel = {
+ ERRORS: 0,
+ WARNINGS: 1,
+ INFOS: 5
+};
+exports.VerbosityLevel = VerbosityLevel;
+const CMapCompressionType = {
NONE: 0,
BINARY: 1,
STREAM: 2
};
-var OPS = {
+exports.CMapCompressionType = CMapCompressionType;
+const OPS = {
dependency: 1,
setLineWidth: 2,
setLineCap: 3,
@@ -329,466 +402,4601 @@ var OPS = {
paintSolidColorImageMask: 90,
constructPath: 91
};
-var verbosity = VERBOSITY_LEVELS.warnings;
+exports.OPS = OPS;
+const UNSUPPORTED_FEATURES = {
+ unknown: "unknown",
+ forms: "forms",
+ javaScript: "javaScript",
+ signatures: "signatures",
+ smask: "smask",
+ shadingPattern: "shadingPattern",
+ font: "font",
+ errorTilingPattern: "errorTilingPattern",
+ errorExtGState: "errorExtGState",
+ errorXObject: "errorXObject",
+ errorFontLoadType3: "errorFontLoadType3",
+ errorFontState: "errorFontState",
+ errorFontMissing: "errorFontMissing",
+ errorFontTranslate: "errorFontTranslate",
+ errorColorSpace: "errorColorSpace",
+ errorOperatorList: "errorOperatorList",
+ errorFontToUnicode: "errorFontToUnicode",
+ errorFontLoadNative: "errorFontLoadNative",
+ errorFontBuildPath: "errorFontBuildPath",
+ errorFontGetPath: "errorFontGetPath",
+ errorMarkedContent: "errorMarkedContent",
+ errorContentSubStream: "errorContentSubStream"
+};
+exports.UNSUPPORTED_FEATURES = UNSUPPORTED_FEATURES;
+const PasswordResponses = {
+ NEED_PASSWORD: 1,
+ INCORRECT_PASSWORD: 2
+};
+exports.PasswordResponses = PasswordResponses;
+let verbosity = VerbosityLevel.WARNINGS;
+
function setVerbosityLevel(level) {
- verbosity = level;
+ if (Number.isInteger(level)) {
+ verbosity = level;
+ }
}
+
function getVerbosityLevel() {
return verbosity;
}
+
function info(msg) {
- if (verbosity >= VERBOSITY_LEVELS.infos) {
- console.log('Info: ' + msg);
+ if (verbosity >= VerbosityLevel.INFOS) {
+ console.log(`Info: ${msg}`);
}
}
+
function warn(msg) {
- if (verbosity >= VERBOSITY_LEVELS.warnings) {
- console.log('Warning: ' + msg);
+ if (verbosity >= VerbosityLevel.WARNINGS) {
+ console.log(`Warning: ${msg}`);
}
}
-function deprecated(details) {
- console.log('Deprecated API usage: ' + details);
-}
+
function unreachable(msg) {
throw new Error(msg);
}
+
function assert(cond, msg) {
if (!cond) {
unreachable(msg);
}
}
-var UNSUPPORTED_FEATURES = {
- unknown: 'unknown',
- forms: 'forms',
- javaScript: 'javaScript',
- smask: 'smask',
- shadingPattern: 'shadingPattern',
- font: 'font'
-};
-function isSameOrigin(baseUrl, otherUrl) {
- try {
- var base = new URL(baseUrl);
- if (!base.origin || base.origin === 'null') {
- return false;
- }
- } catch (e) {
- return false;
- }
- var other = new URL(otherUrl, base);
- return base.origin === other.origin;
-}
-function isValidProtocol(url) {
+
+function _isValidProtocol(url) {
if (!url) {
return false;
}
+
switch (url.protocol) {
- case 'http:':
- case 'https:':
- case 'ftp:':
- case 'mailto:':
- case 'tel:':
+ case "http:":
+ case "https:":
+ case "ftp:":
+ case "mailto:":
+ case "tel:":
return true;
+
default:
return false;
}
}
-function createValidAbsoluteUrl(url, baseUrl) {
+
+function createValidAbsoluteUrl(url, baseUrl = null, options = null) {
if (!url) {
return null;
}
+
try {
- var absoluteUrl = baseUrl ? new URL(url, baseUrl) : new URL(url);
- if (isValidProtocol(absoluteUrl)) {
+ if (options && typeof url === "string") {
+ if (options.addDefaultProtocol && url.startsWith("www.")) {
+ const dots = url.match(/\./g);
+
+ if (dots && dots.length >= 2) {
+ url = `http://${url}`;
+ }
+ }
+
+ if (options.tryConvertEncoding) {
+ try {
+ url = stringToUTF8String(url);
+ } catch (ex) {}
+ }
+ }
+
+ const absoluteUrl = baseUrl ? new URL(url, baseUrl) : new URL(url);
+
+ if (_isValidProtocol(absoluteUrl)) {
return absoluteUrl;
}
} catch (ex) {}
+
return null;
}
+
function shadow(obj, prop, value) {
Object.defineProperty(obj, prop, {
- value: value,
+ value,
enumerable: true,
configurable: true,
writable: false
});
return value;
}
-function getLookupTableFactory(initializer) {
- var lookup;
- return function () {
- if (initializer) {
- lookup = Object.create(null);
- initializer(lookup);
- initializer = null;
+
+const BaseException = function BaseExceptionClosure() {
+ function BaseException(message, name) {
+ if (this.constructor === BaseException) {
+ unreachable("Cannot initialize BaseException.");
}
- return lookup;
- };
-}
-var PasswordResponses = {
- NEED_PASSWORD: 1,
- INCORRECT_PASSWORD: 2
-};
-var PasswordException = function PasswordExceptionClosure() {
- function PasswordException(msg, code) {
- this.name = 'PasswordException';
- this.message = msg;
+
+ this.message = message;
+ this.name = name;
+ }
+
+ BaseException.prototype = new Error();
+ BaseException.constructor = BaseException;
+ return BaseException;
+}();
+
+exports.BaseException = BaseException;
+
+class PasswordException extends BaseException {
+ constructor(msg, code) {
+ super(msg, "PasswordException");
this.code = code;
}
- PasswordException.prototype = new Error();
- PasswordException.constructor = PasswordException;
- return PasswordException;
-}();
-var UnknownErrorException = function UnknownErrorExceptionClosure() {
- function UnknownErrorException(msg, details) {
- this.name = 'UnknownErrorException';
- this.message = msg;
+
+}
+
+exports.PasswordException = PasswordException;
+
+class UnknownErrorException extends BaseException {
+ constructor(msg, details) {
+ super(msg, "UnknownErrorException");
this.details = details;
}
- UnknownErrorException.prototype = new Error();
- UnknownErrorException.constructor = UnknownErrorException;
- return UnknownErrorException;
-}();
-var InvalidPDFException = function InvalidPDFExceptionClosure() {
- function InvalidPDFException(msg) {
- this.name = 'InvalidPDFException';
- this.message = msg;
+
+}
+
+exports.UnknownErrorException = UnknownErrorException;
+
+class InvalidPDFException extends BaseException {
+ constructor(msg) {
+ super(msg, "InvalidPDFException");
}
- InvalidPDFException.prototype = new Error();
- InvalidPDFException.constructor = InvalidPDFException;
- return InvalidPDFException;
-}();
-var MissingPDFException = function MissingPDFExceptionClosure() {
- function MissingPDFException(msg) {
- this.name = 'MissingPDFException';
- this.message = msg;
+
+}
+
+exports.InvalidPDFException = InvalidPDFException;
+
+class MissingPDFException extends BaseException {
+ constructor(msg) {
+ super(msg, "MissingPDFException");
}
- MissingPDFException.prototype = new Error();
- MissingPDFException.constructor = MissingPDFException;
- return MissingPDFException;
-}();
-var UnexpectedResponseException = function UnexpectedResponseExceptionClosure() {
- function UnexpectedResponseException(msg, status) {
- this.name = 'UnexpectedResponseException';
- this.message = msg;
+
+}
+
+exports.MissingPDFException = MissingPDFException;
+
+class UnexpectedResponseException extends BaseException {
+ constructor(msg, status) {
+ super(msg, "UnexpectedResponseException");
this.status = status;
}
- UnexpectedResponseException.prototype = new Error();
- UnexpectedResponseException.constructor = UnexpectedResponseException;
- return UnexpectedResponseException;
-}();
-var NotImplementedException = function NotImplementedExceptionClosure() {
- function NotImplementedException(msg) {
- this.message = msg;
- }
- NotImplementedException.prototype = new Error();
- NotImplementedException.prototype.name = 'NotImplementedException';
- NotImplementedException.constructor = NotImplementedException;
- return NotImplementedException;
-}();
-var MissingDataException = function MissingDataExceptionClosure() {
- function MissingDataException(begin, end) {
- this.begin = begin;
- this.end = end;
- this.message = 'Missing data [' + begin + ', ' + end + ')';
- }
- MissingDataException.prototype = new Error();
- MissingDataException.prototype.name = 'MissingDataException';
- MissingDataException.constructor = MissingDataException;
- return MissingDataException;
-}();
-var XRefParseException = function XRefParseExceptionClosure() {
- function XRefParseException(msg) {
- this.message = msg;
- }
- XRefParseException.prototype = new Error();
- XRefParseException.prototype.name = 'XRefParseException';
- XRefParseException.constructor = XRefParseException;
- return XRefParseException;
-}();
-var FormatError = function FormatErrorClosure() {
- function FormatError(msg) {
- this.message = msg;
- }
- FormatError.prototype = new Error();
- FormatError.prototype.name = 'FormatError';
- FormatError.constructor = FormatError;
- return FormatError;
-}();
-var AbortException = function AbortExceptionClosure() {
- function AbortException(msg) {
- this.name = 'AbortException';
- this.message = msg;
- }
- AbortException.prototype = new Error();
- AbortException.constructor = AbortException;
- return AbortException;
-}();
-var NullCharactersRegExp = /\x00/g;
-function removeNullCharacters(str) {
- if (typeof str !== 'string') {
- warn('The argument for removeNullCharacters must be a string.');
- return str;
- }
- return str.replace(NullCharactersRegExp, '');
+
}
+
+exports.UnexpectedResponseException = UnexpectedResponseException;
+
+class FormatError extends BaseException {
+ constructor(msg) {
+ super(msg, "FormatError");
+ }
+
+}
+
+exports.FormatError = FormatError;
+
+class AbortException extends BaseException {
+ constructor(msg) {
+ super(msg, "AbortException");
+ }
+
+}
+
+exports.AbortException = AbortException;
+
function bytesToString(bytes) {
- assert(bytes !== null && (typeof bytes === 'undefined' ? 'undefined' : _typeof(bytes)) === 'object' && bytes.length !== undefined, 'Invalid argument for bytesToString');
- var length = bytes.length;
- var MAX_ARGUMENT_COUNT = 8192;
+ if (typeof bytes !== "object" || bytes === null || bytes.length === undefined) {
+ unreachable("Invalid argument for bytesToString");
+ }
+
+ const length = bytes.length;
+ const MAX_ARGUMENT_COUNT = 8192;
+
if (length < MAX_ARGUMENT_COUNT) {
return String.fromCharCode.apply(null, bytes);
}
- var strBuf = [];
- for (var i = 0; i < length; i += MAX_ARGUMENT_COUNT) {
- var chunkEnd = Math.min(i + MAX_ARGUMENT_COUNT, length);
- var chunk = bytes.subarray(i, chunkEnd);
+
+ const strBuf = [];
+
+ for (let i = 0; i < length; i += MAX_ARGUMENT_COUNT) {
+ const chunkEnd = Math.min(i + MAX_ARGUMENT_COUNT, length);
+ const chunk = bytes.subarray(i, chunkEnd);
strBuf.push(String.fromCharCode.apply(null, chunk));
}
- return strBuf.join('');
+
+ return strBuf.join("");
}
+
function stringToBytes(str) {
- assert(typeof str === 'string', 'Invalid argument for stringToBytes');
- var length = str.length;
- var bytes = new Uint8Array(length);
- for (var i = 0; i < length; ++i) {
- bytes[i] = str.charCodeAt(i) & 0xFF;
+ if (typeof str !== "string") {
+ unreachable("Invalid argument for stringToBytes");
}
+
+ const length = str.length;
+ const bytes = new Uint8Array(length);
+
+ for (let i = 0; i < length; ++i) {
+ bytes[i] = str.charCodeAt(i) & 0xff;
+ }
+
return bytes;
}
+
function arrayByteLength(arr) {
if (arr.length !== undefined) {
return arr.length;
}
- assert(arr.byteLength !== undefined);
- return arr.byteLength;
+
+ if (arr.byteLength !== undefined) {
+ return arr.byteLength;
+ }
+
+ unreachable("Invalid argument for arrayByteLength");
}
+
function arraysToBytes(arr) {
- if (arr.length === 1 && arr[0] instanceof Uint8Array) {
+ const length = arr.length;
+
+ if (length === 1 && arr[0] instanceof Uint8Array) {
return arr[0];
}
- var resultLength = 0;
- var i,
- ii = arr.length;
- var item, itemLength;
- for (i = 0; i < ii; i++) {
- item = arr[i];
- itemLength = arrayByteLength(item);
- resultLength += itemLength;
+
+ let resultLength = 0;
+
+ for (let i = 0; i < length; i++) {
+ resultLength += arrayByteLength(arr[i]);
}
- var pos = 0;
- var data = new Uint8Array(resultLength);
- for (i = 0; i < ii; i++) {
- item = arr[i];
+
+ let pos = 0;
+ const data = new Uint8Array(resultLength);
+
+ for (let i = 0; i < length; i++) {
+ let item = arr[i];
+
if (!(item instanceof Uint8Array)) {
- if (typeof item === 'string') {
+ if (typeof item === "string") {
item = stringToBytes(item);
} else {
item = new Uint8Array(item);
}
}
- itemLength = item.byteLength;
+
+ const itemLength = item.byteLength;
data.set(item, pos);
pos += itemLength;
}
+
return data;
}
+
function string32(value) {
return String.fromCharCode(value >> 24 & 0xff, value >> 16 & 0xff, value >> 8 & 0xff, value & 0xff);
}
-function log2(x) {
- var n = 1,
- i = 0;
- while (x > n) {
- n <<= 1;
- i++;
+
+function objectSize(obj) {
+ return Object.keys(obj).length;
+}
+
+function objectFromMap(map) {
+ const obj = Object.create(null);
+
+ for (const [key, value] of map) {
+ obj[key] = value;
}
- return i;
-}
-function readInt8(data, start) {
- return data[start] << 24 >> 24;
-}
-function readUint16(data, offset) {
- return data[offset] << 8 | data[offset + 1];
-}
-function readUint32(data, offset) {
- return (data[offset] << 24 | data[offset + 1] << 16 | data[offset + 2] << 8 | data[offset + 3]) >>> 0;
+
+ return obj;
}
+
function isLittleEndian() {
- var buffer8 = new Uint8Array(4);
+ const buffer8 = new Uint8Array(4);
buffer8[0] = 1;
- var view32 = new Uint32Array(buffer8.buffer, 0, 1);
+ const view32 = new Uint32Array(buffer8.buffer, 0, 1);
return view32[0] === 1;
}
+
function isEvalSupported() {
try {
- new Function('');
+ new Function("");
return true;
} catch (e) {
return false;
}
}
-var IDENTITY_MATRIX = [1, 0, 0, 1, 0, 0];
-var Util = function UtilClosure() {
- function Util() {}
- var rgbBuf = ['rgb(', 0, ',', 0, ',', 0, ')'];
- Util.makeCssRgb = function Util_makeCssRgb(r, g, b) {
- rgbBuf[1] = r;
- rgbBuf[3] = g;
- rgbBuf[5] = b;
- return rgbBuf.join('');
- };
- Util.transform = function Util_transform(m1, m2) {
+
+class FeatureTest {
+ static get isLittleEndian() {
+ return shadow(this, "isLittleEndian", isLittleEndian());
+ }
+
+ static get isEvalSupported() {
+ return shadow(this, "isEvalSupported", isEvalSupported());
+ }
+
+ static get isOffscreenCanvasSupported() {
+ return shadow(this, "isOffscreenCanvasSupported", typeof OffscreenCanvas !== "undefined");
+ }
+
+}
+
+exports.FeatureTest = FeatureTest;
+const hexNumbers = [...Array(256).keys()].map(n => n.toString(16).padStart(2, "0"));
+
+class Util {
+ static makeHexColor(r, g, b) {
+ return `#${hexNumbers[r]}${hexNumbers[g]}${hexNumbers[b]}`;
+ }
+
+ static scaleMinMax(transform, minMax) {
+ let temp;
+
+ if (transform[0]) {
+ if (transform[0] < 0) {
+ temp = minMax[0];
+ minMax[0] = minMax[1];
+ minMax[1] = temp;
+ }
+
+ minMax[0] *= transform[0];
+ minMax[1] *= transform[0];
+
+ if (transform[3] < 0) {
+ temp = minMax[2];
+ minMax[2] = minMax[3];
+ minMax[3] = temp;
+ }
+
+ minMax[2] *= transform[3];
+ minMax[3] *= transform[3];
+ } else {
+ temp = minMax[0];
+ minMax[0] = minMax[2];
+ minMax[2] = temp;
+ temp = minMax[1];
+ minMax[1] = minMax[3];
+ minMax[3] = temp;
+
+ if (transform[1] < 0) {
+ temp = minMax[2];
+ minMax[2] = minMax[3];
+ minMax[3] = temp;
+ }
+
+ minMax[2] *= transform[1];
+ minMax[3] *= transform[1];
+
+ if (transform[2] < 0) {
+ temp = minMax[0];
+ minMax[0] = minMax[1];
+ minMax[1] = temp;
+ }
+
+ minMax[0] *= transform[2];
+ minMax[1] *= transform[2];
+ }
+
+ minMax[0] += transform[4];
+ minMax[1] += transform[4];
+ minMax[2] += transform[5];
+ minMax[3] += transform[5];
+ }
+
+ static transform(m1, m2) {
return [m1[0] * m2[0] + m1[2] * m2[1], m1[1] * m2[0] + m1[3] * m2[1], m1[0] * m2[2] + m1[2] * m2[3], m1[1] * m2[2] + m1[3] * m2[3], m1[0] * m2[4] + m1[2] * m2[5] + m1[4], m1[1] * m2[4] + m1[3] * m2[5] + m1[5]];
- };
- Util.applyTransform = function Util_applyTransform(p, m) {
- var xt = p[0] * m[0] + p[1] * m[2] + m[4];
- var yt = p[0] * m[1] + p[1] * m[3] + m[5];
+ }
+
+ static applyTransform(p, m) {
+ const xt = p[0] * m[0] + p[1] * m[2] + m[4];
+ const yt = p[0] * m[1] + p[1] * m[3] + m[5];
return [xt, yt];
- };
- Util.applyInverseTransform = function Util_applyInverseTransform(p, m) {
- var d = m[0] * m[3] - m[1] * m[2];
- var xt = (p[0] * m[3] - p[1] * m[2] + m[2] * m[5] - m[4] * m[3]) / d;
- var yt = (-p[0] * m[1] + p[1] * m[0] + m[4] * m[1] - m[5] * m[0]) / d;
+ }
+
+ static applyInverseTransform(p, m) {
+ const d = m[0] * m[3] - m[1] * m[2];
+ const xt = (p[0] * m[3] - p[1] * m[2] + m[2] * m[5] - m[4] * m[3]) / d;
+ const yt = (-p[0] * m[1] + p[1] * m[0] + m[4] * m[1] - m[5] * m[0]) / d;
return [xt, yt];
- };
- Util.getAxialAlignedBoundingBox = function Util_getAxialAlignedBoundingBox(r, m) {
- var p1 = Util.applyTransform(r, m);
- var p2 = Util.applyTransform(r.slice(2, 4), m);
- var p3 = Util.applyTransform([r[0], r[3]], m);
- var p4 = Util.applyTransform([r[2], r[1]], m);
+ }
+
+ static getAxialAlignedBoundingBox(r, m) {
+ const p1 = Util.applyTransform(r, m);
+ const p2 = Util.applyTransform(r.slice(2, 4), m);
+ const p3 = Util.applyTransform([r[0], r[3]], m);
+ const p4 = Util.applyTransform([r[2], r[1]], m);
return [Math.min(p1[0], p2[0], p3[0], p4[0]), Math.min(p1[1], p2[1], p3[1], p4[1]), Math.max(p1[0], p2[0], p3[0], p4[0]), Math.max(p1[1], p2[1], p3[1], p4[1])];
- };
- Util.inverseTransform = function Util_inverseTransform(m) {
- var d = m[0] * m[3] - m[1] * m[2];
+ }
+
+ static inverseTransform(m) {
+ const d = m[0] * m[3] - m[1] * m[2];
return [m[3] / d, -m[1] / d, -m[2] / d, m[0] / d, (m[2] * m[5] - m[4] * m[3]) / d, (m[4] * m[1] - m[5] * m[0]) / d];
- };
- Util.apply3dTransform = function Util_apply3dTransform(m, v) {
+ }
+
+ static apply3dTransform(m, v) {
return [m[0] * v[0] + m[1] * v[1] + m[2] * v[2], m[3] * v[0] + m[4] * v[1] + m[5] * v[2], m[6] * v[0] + m[7] * v[1] + m[8] * v[2]];
- };
- Util.singularValueDecompose2dScale = function Util_singularValueDecompose2dScale(m) {
- var transpose = [m[0], m[2], m[1], m[3]];
- var a = m[0] * transpose[0] + m[1] * transpose[2];
- var b = m[0] * transpose[1] + m[1] * transpose[3];
- var c = m[2] * transpose[0] + m[3] * transpose[2];
- var d = m[2] * transpose[1] + m[3] * transpose[3];
- var first = (a + d) / 2;
- var second = Math.sqrt((a + d) * (a + d) - 4 * (a * d - c * b)) / 2;
- var sx = first + second || 1;
- var sy = first - second || 1;
+ }
+
+ static singularValueDecompose2dScale(m) {
+ const transpose = [m[0], m[2], m[1], m[3]];
+ const a = m[0] * transpose[0] + m[1] * transpose[2];
+ const b = m[0] * transpose[1] + m[1] * transpose[3];
+ const c = m[2] * transpose[0] + m[3] * transpose[2];
+ const d = m[2] * transpose[1] + m[3] * transpose[3];
+ const first = (a + d) / 2;
+ const second = Math.sqrt((a + d) ** 2 - 4 * (a * d - c * b)) / 2;
+ const sx = first + second || 1;
+ const sy = first - second || 1;
return [Math.sqrt(sx), Math.sqrt(sy)];
- };
- Util.normalizeRect = function Util_normalizeRect(rect) {
- var r = rect.slice(0);
+ }
+
+ static normalizeRect(rect) {
+ const r = rect.slice(0);
+
if (rect[0] > rect[2]) {
r[0] = rect[2];
r[2] = rect[0];
}
+
if (rect[1] > rect[3]) {
r[1] = rect[3];
r[3] = rect[1];
}
+
return r;
- };
- Util.intersect = function Util_intersect(rect1, rect2) {
- function compare(a, b) {
- return a - b;
- }
- var orderedX = [rect1[0], rect1[2], rect2[0], rect2[2]].sort(compare),
- orderedY = [rect1[1], rect1[3], rect2[1], rect2[3]].sort(compare),
- result = [];
- rect1 = Util.normalizeRect(rect1);
- rect2 = Util.normalizeRect(rect2);
- if (orderedX[0] === rect1[0] && orderedX[1] === rect2[0] || orderedX[0] === rect2[0] && orderedX[1] === rect1[0]) {
- result[0] = orderedX[1];
- result[2] = orderedX[2];
- } else {
- return false;
- }
- if (orderedY[0] === rect1[1] && orderedY[1] === rect2[1] || orderedY[0] === rect2[1] && orderedY[1] === rect1[1]) {
- result[1] = orderedY[1];
- result[3] = orderedY[2];
- } else {
- return false;
- }
- return result;
- };
- Util.sign = function Util_sign(num) {
- return num < 0 ? -1 : 1;
- };
- var ROMAN_NUMBER_MAP = ['', 'C', 'CC', 'CCC', 'CD', 'D', 'DC', 'DCC', 'DCCC', 'CM', '', 'X', 'XX', 'XXX', 'XL', 'L', 'LX', 'LXX', 'LXXX', 'XC', '', 'I', 'II', 'III', 'IV', 'V', 'VI', 'VII', 'VIII', 'IX'];
- Util.toRoman = function Util_toRoman(number, lowerCase) {
- assert(isInt(number) && number > 0, 'The number should be a positive integer.');
- var pos,
- romanBuf = [];
- while (number >= 1000) {
- number -= 1000;
- romanBuf.push('M');
- }
- pos = number / 100 | 0;
- number %= 100;
- romanBuf.push(ROMAN_NUMBER_MAP[pos]);
- pos = number / 10 | 0;
- number %= 10;
- romanBuf.push(ROMAN_NUMBER_MAP[10 + pos]);
- romanBuf.push(ROMAN_NUMBER_MAP[20 + number]);
- var romanStr = romanBuf.join('');
- return lowerCase ? romanStr.toLowerCase() : romanStr;
- };
- Util.appendToArray = function Util_appendToArray(arr1, arr2) {
- Array.prototype.push.apply(arr1, arr2);
- };
- Util.prependToArray = function Util_prependToArray(arr1, arr2) {
- Array.prototype.unshift.apply(arr1, arr2);
- };
- Util.extendObj = function extendObj(obj1, obj2) {
- for (var key in obj2) {
- obj1[key] = obj2[key];
- }
- };
- Util.getInheritableProperty = function Util_getInheritableProperty(dict, name, getArray) {
- while (dict && !dict.has(name)) {
- dict = dict.get('Parent');
- }
- if (!dict) {
+ }
+
+ static intersect(rect1, rect2) {
+ const xLow = Math.max(Math.min(rect1[0], rect1[2]), Math.min(rect2[0], rect2[2]));
+ const xHigh = Math.min(Math.max(rect1[0], rect1[2]), Math.max(rect2[0], rect2[2]));
+
+ if (xLow > xHigh) {
return null;
}
- return getArray ? dict.getArray(name) : dict.get(name);
- };
- Util.inherit = function Util_inherit(sub, base, prototype) {
- sub.prototype = Object.create(base.prototype);
- sub.prototype.constructor = sub;
- for (var prop in prototype) {
- sub.prototype[prop] = prototype[prop];
+
+ const yLow = Math.max(Math.min(rect1[1], rect1[3]), Math.min(rect2[1], rect2[3]));
+ const yHigh = Math.min(Math.max(rect1[1], rect1[3]), Math.max(rect2[1], rect2[3]));
+
+ if (yLow > yHigh) {
+ return null;
}
- };
- Util.loadScript = function Util_loadScript(src, callback) {
- var script = document.createElement('script');
- var loaded = false;
- script.setAttribute('src', src);
- if (callback) {
- script.onload = function () {
- if (!loaded) {
- callback();
+
+ return [xLow, yLow, xHigh, yHigh];
+ }
+
+ static bezierBoundingBox(x0, y0, x1, y1, x2, y2, x3, y3) {
+ const tvalues = [],
+ bounds = [[], []];
+ let a, b, c, t, t1, t2, b2ac, sqrtb2ac;
+
+ for (let i = 0; i < 2; ++i) {
+ if (i === 0) {
+ b = 6 * x0 - 12 * x1 + 6 * x2;
+ a = -3 * x0 + 9 * x1 - 9 * x2 + 3 * x3;
+ c = 3 * x1 - 3 * x0;
+ } else {
+ b = 6 * y0 - 12 * y1 + 6 * y2;
+ a = -3 * y0 + 9 * y1 - 9 * y2 + 3 * y3;
+ c = 3 * y1 - 3 * y0;
+ }
+
+ if (Math.abs(a) < 1e-12) {
+ if (Math.abs(b) < 1e-12) {
+ continue;
}
- loaded = true;
- };
+
+ t = -c / b;
+
+ if (0 < t && t < 1) {
+ tvalues.push(t);
+ }
+
+ continue;
+ }
+
+ b2ac = b * b - 4 * c * a;
+ sqrtb2ac = Math.sqrt(b2ac);
+
+ if (b2ac < 0) {
+ continue;
+ }
+
+ t1 = (-b + sqrtb2ac) / (2 * a);
+
+ if (0 < t1 && t1 < 1) {
+ tvalues.push(t1);
+ }
+
+ t2 = (-b - sqrtb2ac) / (2 * a);
+
+ if (0 < t2 && t2 < 1) {
+ tvalues.push(t2);
+ }
}
- document.getElementsByTagName('head')[0].appendChild(script);
+
+ let j = tvalues.length,
+ mt;
+ const jlen = j;
+
+ while (j--) {
+ t = tvalues[j];
+ mt = 1 - t;
+ bounds[0][j] = mt * mt * mt * x0 + 3 * mt * mt * t * x1 + 3 * mt * t * t * x2 + t * t * t * x3;
+ bounds[1][j] = mt * mt * mt * y0 + 3 * mt * mt * t * y1 + 3 * mt * t * t * y2 + t * t * t * y3;
+ }
+
+ bounds[0][jlen] = x0;
+ bounds[1][jlen] = y0;
+ bounds[0][jlen + 1] = x3;
+ bounds[1][jlen + 1] = y3;
+ bounds[0].length = bounds[1].length = jlen + 2;
+ return [Math.min(...bounds[0]), Math.min(...bounds[1]), Math.max(...bounds[0]), Math.max(...bounds[1])];
+ }
+
+}
+
+exports.Util = Util;
+const PDFStringTranslateTable = [0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0x2d8, 0x2c7, 0x2c6, 0x2d9, 0x2dd, 0x2db, 0x2da, 0x2dc, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0x2022, 0x2020, 0x2021, 0x2026, 0x2014, 0x2013, 0x192, 0x2044, 0x2039, 0x203a, 0x2212, 0x2030, 0x201e, 0x201c, 0x201d, 0x2018, 0x2019, 0x201a, 0x2122, 0xfb01, 0xfb02, 0x141, 0x152, 0x160, 0x178, 0x17d, 0x131, 0x142, 0x153, 0x161, 0x17e, 0, 0x20ac];
+
+function stringToPDFString(str) {
+ if (str[0] >= "\xEF") {
+ let encoding;
+
+ if (str[0] === "\xFE" && str[1] === "\xFF") {
+ encoding = "utf-16be";
+ } else if (str[0] === "\xFF" && str[1] === "\xFE") {
+ encoding = "utf-16le";
+ } else if (str[0] === "\xEF" && str[1] === "\xBB" && str[2] === "\xBF") {
+ encoding = "utf-8";
+ }
+
+ if (encoding) {
+ try {
+ const decoder = new TextDecoder(encoding, {
+ fatal: true
+ });
+ const buffer = stringToBytes(str);
+ return decoder.decode(buffer);
+ } catch (ex) {
+ warn(`stringToPDFString: "${ex}".`);
+ }
+ }
+ }
+
+ const strBuf = [];
+
+ for (let i = 0, ii = str.length; i < ii; i++) {
+ const code = PDFStringTranslateTable[str.charCodeAt(i)];
+ strBuf.push(code ? String.fromCharCode(code) : str.charAt(i));
+ }
+
+ return strBuf.join("");
+}
+
+function escapeString(str) {
+ return str.replace(/([()\\\n\r])/g, match => {
+ if (match === "\n") {
+ return "\\n";
+ } else if (match === "\r") {
+ return "\\r";
+ }
+
+ return `\\${match}`;
+ });
+}
+
+function isAscii(str) {
+ return /^[\x00-\x7F]*$/.test(str);
+}
+
+function stringToUTF16BEString(str) {
+ const buf = ["\xFE\xFF"];
+
+ for (let i = 0, ii = str.length; i < ii; i++) {
+ const char = str.charCodeAt(i);
+ buf.push(String.fromCharCode(char >> 8 & 0xff), String.fromCharCode(char & 0xff));
+ }
+
+ return buf.join("");
+}
+
+function stringToUTF8String(str) {
+ return decodeURIComponent(escape(str));
+}
+
+function utf8StringToString(str) {
+ return unescape(encodeURIComponent(str));
+}
+
+function isArrayBuffer(v) {
+ return typeof v === "object" && v !== null && v.byteLength !== undefined;
+}
+
+function isArrayEqual(arr1, arr2) {
+ if (arr1.length !== arr2.length) {
+ return false;
+ }
+
+ for (let i = 0, ii = arr1.length; i < ii; i++) {
+ if (arr1[i] !== arr2[i]) {
+ return false;
+ }
+ }
+
+ return true;
+}
+
+function getModificationDate(date = new Date()) {
+ const buffer = [date.getUTCFullYear().toString(), (date.getUTCMonth() + 1).toString().padStart(2, "0"), date.getUTCDate().toString().padStart(2, "0"), date.getUTCHours().toString().padStart(2, "0"), date.getUTCMinutes().toString().padStart(2, "0"), date.getUTCSeconds().toString().padStart(2, "0")];
+ return buffer.join("");
+}
+
+function createPromiseCapability() {
+ const capability = Object.create(null);
+ let isSettled = false;
+ Object.defineProperty(capability, "settled", {
+ get() {
+ return isSettled;
+ }
+
+ });
+ capability.promise = new Promise(function (resolve, reject) {
+ capability.resolve = function (data) {
+ isSettled = true;
+ resolve(data);
+ };
+
+ capability.reject = function (reason) {
+ isSettled = true;
+ reject(reason);
+ };
+ });
+ return capability;
+}
+
+/***/ }),
+/* 2 */
+/***/ ((__unused_webpack_module, __unused_webpack_exports, __w_pdfjs_require__) => {
+
+
+
+var _is_node = __w_pdfjs_require__(3);
+
+;
+
+/***/ }),
+/* 3 */
+/***/ ((__unused_webpack_module, exports) => {
+
+
+
+Object.defineProperty(exports, "__esModule", ({
+ value: true
+}));
+exports.isNodeJS = void 0;
+const isNodeJS = typeof process === "object" && process + "" === "[object process]" && !process.versions.nw && !(process.versions.electron && process.type && process.type !== "browser");
+exports.isNodeJS = isNodeJS;
+
+/***/ }),
+/* 4 */
+/***/ ((__unused_webpack_module, exports, __w_pdfjs_require__) => {
+
+
+
+Object.defineProperty(exports, "__esModule", ({
+ value: true
+}));
+exports.build = exports.RenderTask = exports.PDFWorkerUtil = exports.PDFWorker = exports.PDFPageProxy = exports.PDFDocumentProxy = exports.PDFDocumentLoadingTask = exports.PDFDataRangeTransport = exports.LoopbackPort = exports.DefaultStandardFontDataFactory = exports.DefaultCanvasFactory = exports.DefaultCMapReaderFactory = void 0;
+exports.getDocument = getDocument;
+exports.setPDFNetworkStreamFactory = setPDFNetworkStreamFactory;
+exports.version = void 0;
+
+var _util = __w_pdfjs_require__(1);
+
+var _annotation_storage = __w_pdfjs_require__(5);
+
+var _display_utils = __w_pdfjs_require__(8);
+
+var _font_loader = __w_pdfjs_require__(11);
+
+var _canvas = __w_pdfjs_require__(12);
+
+var _worker_options = __w_pdfjs_require__(15);
+
+var _is_node = __w_pdfjs_require__(3);
+
+var _message_handler = __w_pdfjs_require__(16);
+
+var _metadata = __w_pdfjs_require__(17);
+
+var _optional_content_config = __w_pdfjs_require__(18);
+
+var _transport_stream = __w_pdfjs_require__(19);
+
+var _xfa_text = __w_pdfjs_require__(20);
+
+const DEFAULT_RANGE_CHUNK_SIZE = 65536;
+const RENDERING_CANCELLED_TIMEOUT = 100;
+let DefaultCanvasFactory = _display_utils.DOMCanvasFactory;
+exports.DefaultCanvasFactory = DefaultCanvasFactory;
+let DefaultCMapReaderFactory = _display_utils.DOMCMapReaderFactory;
+exports.DefaultCMapReaderFactory = DefaultCMapReaderFactory;
+let DefaultStandardFontDataFactory = _display_utils.DOMStandardFontDataFactory;
+exports.DefaultStandardFontDataFactory = DefaultStandardFontDataFactory;
+
+if (_is_node.isNodeJS) {
+ const {
+ NodeCanvasFactory,
+ NodeCMapReaderFactory,
+ NodeStandardFontDataFactory
+ } = __w_pdfjs_require__(21);
+
+ exports.DefaultCanvasFactory = DefaultCanvasFactory = NodeCanvasFactory;
+ exports.DefaultCMapReaderFactory = DefaultCMapReaderFactory = NodeCMapReaderFactory;
+ exports.DefaultStandardFontDataFactory = DefaultStandardFontDataFactory = NodeStandardFontDataFactory;
+}
+
+let createPDFNetworkStream;
+
+function setPDFNetworkStreamFactory(pdfNetworkStreamFactory) {
+ createPDFNetworkStream = pdfNetworkStreamFactory;
+}
+
+function getDocument(src) {
+ const task = new PDFDocumentLoadingTask();
+ let source;
+
+ if (typeof src === "string" || src instanceof URL) {
+ source = {
+ url: src
+ };
+ } else if ((0, _util.isArrayBuffer)(src)) {
+ source = {
+ data: src
+ };
+ } else if (src instanceof PDFDataRangeTransport) {
+ source = {
+ range: src
+ };
+ } else {
+ if (typeof src !== "object") {
+ throw new Error("Invalid parameter in getDocument, " + "need either string, URL, TypedArray, or parameter object.");
+ }
+
+ if (!src.url && !src.data && !src.range) {
+ throw new Error("Invalid parameter object: need either .data, .range or .url");
+ }
+
+ source = src;
+ }
+
+ const params = Object.create(null);
+ let rangeTransport = null,
+ worker = null;
+
+ for (const key in source) {
+ const value = source[key];
+
+ switch (key) {
+ case "url":
+ if (typeof window !== "undefined") {
+ try {
+ params[key] = new URL(value, window.location).href;
+ continue;
+ } catch (ex) {
+ (0, _util.warn)(`Cannot create valid URL: "${ex}".`);
+ }
+ } else if (typeof value === "string" || value instanceof URL) {
+ params[key] = value.toString();
+ continue;
+ }
+
+ throw new Error("Invalid PDF url data: " + "either string or URL-object is expected in the url property.");
+
+ case "range":
+ rangeTransport = value;
+ continue;
+
+ case "worker":
+ worker = value;
+ continue;
+
+ case "data":
+ if (_is_node.isNodeJS && typeof Buffer !== "undefined" && value instanceof Buffer) {
+ params[key] = new Uint8Array(value);
+ } else if (value instanceof Uint8Array) {
+ break;
+ } else if (typeof value === "string") {
+ params[key] = (0, _util.stringToBytes)(value);
+ } else if (typeof value === "object" && value !== null && !isNaN(value.length)) {
+ params[key] = new Uint8Array(value);
+ } else if ((0, _util.isArrayBuffer)(value)) {
+ params[key] = new Uint8Array(value);
+ } else {
+ throw new Error("Invalid PDF binary data: either TypedArray, " + "string, or array-like object is expected in the data property.");
+ }
+
+ continue;
+ }
+
+ params[key] = value;
+ }
+
+ params.CMapReaderFactory = params.CMapReaderFactory || DefaultCMapReaderFactory;
+ params.StandardFontDataFactory = params.StandardFontDataFactory || DefaultStandardFontDataFactory;
+ params.ignoreErrors = params.stopAtErrors !== true;
+ params.fontExtraProperties = params.fontExtraProperties === true;
+ params.pdfBug = params.pdfBug === true;
+ params.enableXfa = params.enableXfa === true;
+
+ if (!Number.isInteger(params.rangeChunkSize) || params.rangeChunkSize < 1) {
+ params.rangeChunkSize = DEFAULT_RANGE_CHUNK_SIZE;
+ }
+
+ if (typeof params.docBaseUrl !== "string" || (0, _display_utils.isDataScheme)(params.docBaseUrl)) {
+ params.docBaseUrl = null;
+ }
+
+ if (!Number.isInteger(params.maxImageSize) || params.maxImageSize < -1) {
+ params.maxImageSize = -1;
+ }
+
+ if (typeof params.cMapUrl !== "string") {
+ params.cMapUrl = null;
+ }
+
+ if (typeof params.standardFontDataUrl !== "string") {
+ params.standardFontDataUrl = null;
+ }
+
+ if (typeof params.useWorkerFetch !== "boolean") {
+ params.useWorkerFetch = params.CMapReaderFactory === _display_utils.DOMCMapReaderFactory && params.StandardFontDataFactory === _display_utils.DOMStandardFontDataFactory;
+ }
+
+ if (typeof params.isEvalSupported !== "boolean") {
+ params.isEvalSupported = true;
+ }
+
+ if (typeof params.disableFontFace !== "boolean") {
+ params.disableFontFace = _is_node.isNodeJS;
+ }
+
+ if (typeof params.useSystemFonts !== "boolean") {
+ params.useSystemFonts = !_is_node.isNodeJS && !params.disableFontFace;
+ }
+
+ if (typeof params.ownerDocument !== "object" || params.ownerDocument === null) {
+ params.ownerDocument = globalThis.document;
+ }
+
+ if (typeof params.disableRange !== "boolean") {
+ params.disableRange = false;
+ }
+
+ if (typeof params.disableStream !== "boolean") {
+ params.disableStream = false;
+ }
+
+ if (typeof params.disableAutoFetch !== "boolean") {
+ params.disableAutoFetch = false;
+ }
+
+ (0, _util.setVerbosityLevel)(params.verbosity);
+
+ if (!worker) {
+ const workerParams = {
+ verbosity: params.verbosity,
+ port: _worker_options.GlobalWorkerOptions.workerPort
+ };
+ worker = workerParams.port ? PDFWorker.fromPort(workerParams) : new PDFWorker(workerParams);
+ task._worker = worker;
+ }
+
+ const docId = task.docId;
+ worker.promise.then(function () {
+ if (task.destroyed) {
+ throw new Error("Loading aborted");
+ }
+
+ const workerIdPromise = _fetchDocument(worker, params, rangeTransport, docId);
+
+ const networkStreamPromise = new Promise(function (resolve) {
+ let networkStream;
+
+ if (rangeTransport) {
+ networkStream = new _transport_stream.PDFDataTransportStream({
+ length: params.length,
+ initialData: params.initialData,
+ progressiveDone: params.progressiveDone,
+ contentDispositionFilename: params.contentDispositionFilename,
+ disableRange: params.disableRange,
+ disableStream: params.disableStream
+ }, rangeTransport);
+ } else if (!params.data) {
+ networkStream = createPDFNetworkStream({
+ url: params.url,
+ length: params.length,
+ httpHeaders: params.httpHeaders,
+ withCredentials: params.withCredentials,
+ rangeChunkSize: params.rangeChunkSize,
+ disableRange: params.disableRange,
+ disableStream: params.disableStream
+ });
+ }
+
+ resolve(networkStream);
+ });
+ return Promise.all([workerIdPromise, networkStreamPromise]).then(function ([workerId, networkStream]) {
+ if (task.destroyed) {
+ throw new Error("Loading aborted");
+ }
+
+ const messageHandler = new _message_handler.MessageHandler(docId, workerId, worker.port);
+ const transport = new WorkerTransport(messageHandler, task, networkStream, params);
+ task._transport = transport;
+ messageHandler.send("Ready", null);
+ });
+ }).catch(task._capability.reject);
+ return task;
+}
+
+async function _fetchDocument(worker, source, pdfDataRangeTransport, docId) {
+ if (worker.destroyed) {
+ throw new Error("Worker was destroyed");
+ }
+
+ if (pdfDataRangeTransport) {
+ source.length = pdfDataRangeTransport.length;
+ source.initialData = pdfDataRangeTransport.initialData;
+ source.progressiveDone = pdfDataRangeTransport.progressiveDone;
+ source.contentDispositionFilename = pdfDataRangeTransport.contentDispositionFilename;
+ }
+
+ const workerId = await worker.messageHandler.sendWithPromise("GetDocRequest", {
+ docId,
+ apiVersion: '2.16.105',
+ source: {
+ data: source.data,
+ url: source.url,
+ password: source.password,
+ disableAutoFetch: source.disableAutoFetch,
+ rangeChunkSize: source.rangeChunkSize,
+ length: source.length
+ },
+ maxImageSize: source.maxImageSize,
+ disableFontFace: source.disableFontFace,
+ docBaseUrl: source.docBaseUrl,
+ ignoreErrors: source.ignoreErrors,
+ isEvalSupported: source.isEvalSupported,
+ fontExtraProperties: source.fontExtraProperties,
+ enableXfa: source.enableXfa,
+ useSystemFonts: source.useSystemFonts,
+ cMapUrl: source.useWorkerFetch ? source.cMapUrl : null,
+ standardFontDataUrl: source.useWorkerFetch ? source.standardFontDataUrl : null
+ });
+
+ if (source.data) {
+ source.data = null;
+ }
+
+ if (worker.destroyed) {
+ throw new Error("Worker was destroyed");
+ }
+
+ return workerId;
+}
+
+class PDFDocumentLoadingTask {
+ static #docId = 0;
+
+ constructor() {
+ this._capability = (0, _util.createPromiseCapability)();
+ this._transport = null;
+ this._worker = null;
+ this.docId = `d${PDFDocumentLoadingTask.#docId++}`;
+ this.destroyed = false;
+ this.onPassword = null;
+ this.onProgress = null;
+ this.onUnsupportedFeature = null;
+ }
+
+ get promise() {
+ return this._capability.promise;
+ }
+
+ async destroy() {
+ this.destroyed = true;
+ await this._transport?.destroy();
+ this._transport = null;
+
+ if (this._worker) {
+ this._worker.destroy();
+
+ this._worker = null;
+ }
+ }
+
+}
+
+exports.PDFDocumentLoadingTask = PDFDocumentLoadingTask;
+
+class PDFDataRangeTransport {
+ constructor(length, initialData, progressiveDone = false, contentDispositionFilename = null) {
+ this.length = length;
+ this.initialData = initialData;
+ this.progressiveDone = progressiveDone;
+ this.contentDispositionFilename = contentDispositionFilename;
+ this._rangeListeners = [];
+ this._progressListeners = [];
+ this._progressiveReadListeners = [];
+ this._progressiveDoneListeners = [];
+ this._readyCapability = (0, _util.createPromiseCapability)();
+ }
+
+ addRangeListener(listener) {
+ this._rangeListeners.push(listener);
+ }
+
+ addProgressListener(listener) {
+ this._progressListeners.push(listener);
+ }
+
+ addProgressiveReadListener(listener) {
+ this._progressiveReadListeners.push(listener);
+ }
+
+ addProgressiveDoneListener(listener) {
+ this._progressiveDoneListeners.push(listener);
+ }
+
+ onDataRange(begin, chunk) {
+ for (const listener of this._rangeListeners) {
+ listener(begin, chunk);
+ }
+ }
+
+ onDataProgress(loaded, total) {
+ this._readyCapability.promise.then(() => {
+ for (const listener of this._progressListeners) {
+ listener(loaded, total);
+ }
+ });
+ }
+
+ onDataProgressiveRead(chunk) {
+ this._readyCapability.promise.then(() => {
+ for (const listener of this._progressiveReadListeners) {
+ listener(chunk);
+ }
+ });
+ }
+
+ onDataProgressiveDone() {
+ this._readyCapability.promise.then(() => {
+ for (const listener of this._progressiveDoneListeners) {
+ listener();
+ }
+ });
+ }
+
+ transportReady() {
+ this._readyCapability.resolve();
+ }
+
+ requestDataRange(begin, end) {
+ (0, _util.unreachable)("Abstract method PDFDataRangeTransport.requestDataRange");
+ }
+
+ abort() {}
+
+}
+
+exports.PDFDataRangeTransport = PDFDataRangeTransport;
+
+class PDFDocumentProxy {
+ constructor(pdfInfo, transport) {
+ this._pdfInfo = pdfInfo;
+ this._transport = transport;
+ Object.defineProperty(this, "fingerprint", {
+ get() {
+ (0, _display_utils.deprecated)("`PDFDocumentProxy.fingerprint`, " + "please use `PDFDocumentProxy.fingerprints` instead.");
+ return this.fingerprints[0];
+ }
+
+ });
+ Object.defineProperty(this, "getStats", {
+ value: async () => {
+ (0, _display_utils.deprecated)("`PDFDocumentProxy.getStats`, " + "please use the `PDFDocumentProxy.stats`-getter instead.");
+ return this.stats || {
+ streamTypes: {},
+ fontTypes: {}
+ };
+ }
+ });
+ }
+
+ get annotationStorage() {
+ return this._transport.annotationStorage;
+ }
+
+ get numPages() {
+ return this._pdfInfo.numPages;
+ }
+
+ get fingerprints() {
+ return this._pdfInfo.fingerprints;
+ }
+
+ get stats() {
+ return this._transport.stats;
+ }
+
+ get isPureXfa() {
+ return !!this._transport._htmlForXfa;
+ }
+
+ get allXfaHtml() {
+ return this._transport._htmlForXfa;
+ }
+
+ getPage(pageNumber) {
+ return this._transport.getPage(pageNumber);
+ }
+
+ getPageIndex(ref) {
+ return this._transport.getPageIndex(ref);
+ }
+
+ getDestinations() {
+ return this._transport.getDestinations();
+ }
+
+ getDestination(id) {
+ return this._transport.getDestination(id);
+ }
+
+ getPageLabels() {
+ return this._transport.getPageLabels();
+ }
+
+ getPageLayout() {
+ return this._transport.getPageLayout();
+ }
+
+ getPageMode() {
+ return this._transport.getPageMode();
+ }
+
+ getViewerPreferences() {
+ return this._transport.getViewerPreferences();
+ }
+
+ getOpenAction() {
+ return this._transport.getOpenAction();
+ }
+
+ getAttachments() {
+ return this._transport.getAttachments();
+ }
+
+ getJavaScript() {
+ return this._transport.getJavaScript();
+ }
+
+ getJSActions() {
+ return this._transport.getDocJSActions();
+ }
+
+ getOutline() {
+ return this._transport.getOutline();
+ }
+
+ getOptionalContentConfig() {
+ return this._transport.getOptionalContentConfig();
+ }
+
+ getPermissions() {
+ return this._transport.getPermissions();
+ }
+
+ getMetadata() {
+ return this._transport.getMetadata();
+ }
+
+ getMarkInfo() {
+ return this._transport.getMarkInfo();
+ }
+
+ getData() {
+ return this._transport.getData();
+ }
+
+ getDownloadInfo() {
+ return this._transport.downloadInfoCapability.promise;
+ }
+
+ cleanup(keepLoadedFonts = false) {
+ return this._transport.startCleanup(keepLoadedFonts || this.isPureXfa);
+ }
+
+ destroy() {
+ return this.loadingTask.destroy();
+ }
+
+ get loadingParams() {
+ return this._transport.loadingParams;
+ }
+
+ get loadingTask() {
+ return this._transport.loadingTask;
+ }
+
+ saveDocument() {
+ if (this._transport.annotationStorage.size <= 0) {
+ (0, _display_utils.deprecated)("saveDocument called while `annotationStorage` is empty, " + "please use the getData-method instead.");
+ }
+
+ return this._transport.saveDocument();
+ }
+
+ getFieldObjects() {
+ return this._transport.getFieldObjects();
+ }
+
+ hasJSActions() {
+ return this._transport.hasJSActions();
+ }
+
+ getCalculationOrderIds() {
+ return this._transport.getCalculationOrderIds();
+ }
+
+}
+
+exports.PDFDocumentProxy = PDFDocumentProxy;
+
+class PDFPageProxy {
+ constructor(pageIndex, pageInfo, transport, ownerDocument, pdfBug = false) {
+ this._pageIndex = pageIndex;
+ this._pageInfo = pageInfo;
+ this._ownerDocument = ownerDocument;
+ this._transport = transport;
+ this._stats = pdfBug ? new _display_utils.StatTimer() : null;
+ this._pdfBug = pdfBug;
+ this.commonObjs = transport.commonObjs;
+ this.objs = new PDFObjects();
+ this._bitmaps = new Set();
+ this.cleanupAfterRender = false;
+ this.pendingCleanup = false;
+ this._intentStates = new Map();
+ this._annotationPromises = new Map();
+ this.destroyed = false;
+ }
+
+ get pageNumber() {
+ return this._pageIndex + 1;
+ }
+
+ get rotate() {
+ return this._pageInfo.rotate;
+ }
+
+ get ref() {
+ return this._pageInfo.ref;
+ }
+
+ get userUnit() {
+ return this._pageInfo.userUnit;
+ }
+
+ get view() {
+ return this._pageInfo.view;
+ }
+
+ getViewport({
+ scale,
+ rotation = this.rotate,
+ offsetX = 0,
+ offsetY = 0,
+ dontFlip = false
+ } = {}) {
+ return new _display_utils.PageViewport({
+ viewBox: this.view,
+ scale,
+ rotation,
+ offsetX,
+ offsetY,
+ dontFlip
+ });
+ }
+
+ getAnnotations({
+ intent = "display"
+ } = {}) {
+ const intentArgs = this._transport.getRenderingIntent(intent);
+
+ let promise = this._annotationPromises.get(intentArgs.cacheKey);
+
+ if (!promise) {
+ promise = this._transport.getAnnotations(this._pageIndex, intentArgs.renderingIntent);
+
+ this._annotationPromises.set(intentArgs.cacheKey, promise);
+
+ promise = promise.then(annotations => {
+ for (const annotation of annotations) {
+ if (annotation.titleObj !== undefined) {
+ Object.defineProperty(annotation, "title", {
+ get() {
+ (0, _display_utils.deprecated)("`title`-property on annotation, please use `titleObj` instead.");
+ return annotation.titleObj.str;
+ }
+
+ });
+ }
+
+ if (annotation.contentsObj !== undefined) {
+ Object.defineProperty(annotation, "contents", {
+ get() {
+ (0, _display_utils.deprecated)("`contents`-property on annotation, please use `contentsObj` instead.");
+ return annotation.contentsObj.str;
+ }
+
+ });
+ }
+ }
+
+ return annotations;
+ });
+ }
+
+ return promise;
+ }
+
+ getJSActions() {
+ return this._jsActionsPromise ||= this._transport.getPageJSActions(this._pageIndex);
+ }
+
+ async getXfa() {
+ return this._transport._htmlForXfa?.children[this._pageIndex] || null;
+ }
+
+ render({
+ canvasContext,
+ viewport,
+ intent = "display",
+ annotationMode = _util.AnnotationMode.ENABLE,
+ transform = null,
+ imageLayer = null,
+ canvasFactory = null,
+ background = null,
+ optionalContentConfigPromise = null,
+ annotationCanvasMap = null,
+ pageColors = null,
+ printAnnotationStorage = null
+ }) {
+ if (arguments[0]?.renderInteractiveForms !== undefined) {
+ (0, _display_utils.deprecated)("render no longer accepts the `renderInteractiveForms`-option, " + "please use the `annotationMode`-option instead.");
+
+ if (arguments[0].renderInteractiveForms === true && annotationMode === _util.AnnotationMode.ENABLE) {
+ annotationMode = _util.AnnotationMode.ENABLE_FORMS;
+ }
+ }
+
+ if (arguments[0]?.includeAnnotationStorage !== undefined) {
+ (0, _display_utils.deprecated)("render no longer accepts the `includeAnnotationStorage`-option, " + "please use the `annotationMode`-option instead.");
+
+ if (arguments[0].includeAnnotationStorage === true && annotationMode === _util.AnnotationMode.ENABLE) {
+ annotationMode = _util.AnnotationMode.ENABLE_STORAGE;
+ }
+ }
+
+ if (this._stats) {
+ this._stats.time("Overall");
+ }
+
+ const intentArgs = this._transport.getRenderingIntent(intent, annotationMode, printAnnotationStorage);
+
+ this.pendingCleanup = false;
+
+ if (!optionalContentConfigPromise) {
+ optionalContentConfigPromise = this._transport.getOptionalContentConfig();
+ }
+
+ let intentState = this._intentStates.get(intentArgs.cacheKey);
+
+ if (!intentState) {
+ intentState = Object.create(null);
+
+ this._intentStates.set(intentArgs.cacheKey, intentState);
+ }
+
+ if (intentState.streamReaderCancelTimeout) {
+ clearTimeout(intentState.streamReaderCancelTimeout);
+ intentState.streamReaderCancelTimeout = null;
+ }
+
+ const canvasFactoryInstance = canvasFactory || new DefaultCanvasFactory({
+ ownerDocument: this._ownerDocument
+ });
+ const intentPrint = !!(intentArgs.renderingIntent & _util.RenderingIntentFlag.PRINT);
+
+ if (!intentState.displayReadyCapability) {
+ intentState.displayReadyCapability = (0, _util.createPromiseCapability)();
+ intentState.operatorList = {
+ fnArray: [],
+ argsArray: [],
+ lastChunk: false,
+ separateAnnots: null
+ };
+
+ if (this._stats) {
+ this._stats.time("Page Request");
+ }
+
+ this._pumpOperatorList(intentArgs);
+ }
+
+ const complete = error => {
+ intentState.renderTasks.delete(internalRenderTask);
+
+ if (this.cleanupAfterRender || intentPrint) {
+ this.pendingCleanup = true;
+ }
+
+ this._tryCleanup();
+
+ if (error) {
+ internalRenderTask.capability.reject(error);
+
+ this._abortOperatorList({
+ intentState,
+ reason: error instanceof Error ? error : new Error(error)
+ });
+ } else {
+ internalRenderTask.capability.resolve();
+ }
+
+ if (this._stats) {
+ this._stats.timeEnd("Rendering");
+
+ this._stats.timeEnd("Overall");
+ }
+ };
+
+ const internalRenderTask = new InternalRenderTask({
+ callback: complete,
+ params: {
+ canvasContext,
+ viewport,
+ transform,
+ imageLayer,
+ background
+ },
+ objs: this.objs,
+ commonObjs: this.commonObjs,
+ annotationCanvasMap,
+ operatorList: intentState.operatorList,
+ pageIndex: this._pageIndex,
+ canvasFactory: canvasFactoryInstance,
+ useRequestAnimationFrame: !intentPrint,
+ pdfBug: this._pdfBug,
+ pageColors
+ });
+ (intentState.renderTasks ||= new Set()).add(internalRenderTask);
+ const renderTask = internalRenderTask.task;
+ Promise.all([intentState.displayReadyCapability.promise, optionalContentConfigPromise]).then(([transparency, optionalContentConfig]) => {
+ if (this.pendingCleanup) {
+ complete();
+ return;
+ }
+
+ if (this._stats) {
+ this._stats.time("Rendering");
+ }
+
+ internalRenderTask.initializeGraphics({
+ transparency,
+ optionalContentConfig
+ });
+ internalRenderTask.operatorListChanged();
+ }).catch(complete);
+ return renderTask;
+ }
+
+ getOperatorList({
+ intent = "display",
+ annotationMode = _util.AnnotationMode.ENABLE,
+ printAnnotationStorage = null
+ } = {}) {
+ function operatorListChanged() {
+ if (intentState.operatorList.lastChunk) {
+ intentState.opListReadCapability.resolve(intentState.operatorList);
+ intentState.renderTasks.delete(opListTask);
+ }
+ }
+
+ const intentArgs = this._transport.getRenderingIntent(intent, annotationMode, printAnnotationStorage, true);
+
+ let intentState = this._intentStates.get(intentArgs.cacheKey);
+
+ if (!intentState) {
+ intentState = Object.create(null);
+
+ this._intentStates.set(intentArgs.cacheKey, intentState);
+ }
+
+ let opListTask;
+
+ if (!intentState.opListReadCapability) {
+ opListTask = Object.create(null);
+ opListTask.operatorListChanged = operatorListChanged;
+ intentState.opListReadCapability = (0, _util.createPromiseCapability)();
+ (intentState.renderTasks ||= new Set()).add(opListTask);
+ intentState.operatorList = {
+ fnArray: [],
+ argsArray: [],
+ lastChunk: false,
+ separateAnnots: null
+ };
+
+ if (this._stats) {
+ this._stats.time("Page Request");
+ }
+
+ this._pumpOperatorList(intentArgs);
+ }
+
+ return intentState.opListReadCapability.promise;
+ }
+
+ streamTextContent({
+ disableCombineTextItems = false,
+ includeMarkedContent = false
+ } = {}) {
+ const TEXT_CONTENT_CHUNK_SIZE = 100;
+ return this._transport.messageHandler.sendWithStream("GetTextContent", {
+ pageIndex: this._pageIndex,
+ combineTextItems: disableCombineTextItems !== true,
+ includeMarkedContent: includeMarkedContent === true
+ }, {
+ highWaterMark: TEXT_CONTENT_CHUNK_SIZE,
+
+ size(textContent) {
+ return textContent.items.length;
+ }
+
+ });
+ }
+
+ getTextContent(params = {}) {
+ if (this._transport._htmlForXfa) {
+ return this.getXfa().then(xfa => {
+ return _xfa_text.XfaText.textContent(xfa);
+ });
+ }
+
+ const readableStream = this.streamTextContent(params);
+ return new Promise(function (resolve, reject) {
+ function pump() {
+ reader.read().then(function ({
+ value,
+ done
+ }) {
+ if (done) {
+ resolve(textContent);
+ return;
+ }
+
+ Object.assign(textContent.styles, value.styles);
+ textContent.items.push(...value.items);
+ pump();
+ }, reject);
+ }
+
+ const reader = readableStream.getReader();
+ const textContent = {
+ items: [],
+ styles: Object.create(null)
+ };
+ pump();
+ });
+ }
+
+ getStructTree() {
+ return this._structTreePromise ||= this._transport.getStructTree(this._pageIndex);
+ }
+
+ _destroy() {
+ this.destroyed = true;
+ const waitOn = [];
+
+ for (const intentState of this._intentStates.values()) {
+ this._abortOperatorList({
+ intentState,
+ reason: new Error("Page was destroyed."),
+ force: true
+ });
+
+ if (intentState.opListReadCapability) {
+ continue;
+ }
+
+ for (const internalRenderTask of intentState.renderTasks) {
+ waitOn.push(internalRenderTask.completed);
+ internalRenderTask.cancel();
+ }
+ }
+
+ this.objs.clear();
+
+ for (const bitmap of this._bitmaps) {
+ bitmap.close();
+ }
+
+ this._bitmaps.clear();
+
+ this._annotationPromises.clear();
+
+ this._jsActionsPromise = null;
+ this._structTreePromise = null;
+ this.pendingCleanup = false;
+ return Promise.all(waitOn);
+ }
+
+ cleanup(resetStats = false) {
+ this.pendingCleanup = true;
+ return this._tryCleanup(resetStats);
+ }
+
+ _tryCleanup(resetStats = false) {
+ if (!this.pendingCleanup) {
+ return false;
+ }
+
+ for (const {
+ renderTasks,
+ operatorList
+ } of this._intentStates.values()) {
+ if (renderTasks.size > 0 || !operatorList.lastChunk) {
+ return false;
+ }
+ }
+
+ this._intentStates.clear();
+
+ this.objs.clear();
+
+ this._annotationPromises.clear();
+
+ this._jsActionsPromise = null;
+ this._structTreePromise = null;
+
+ if (resetStats && this._stats) {
+ this._stats = new _display_utils.StatTimer();
+ }
+
+ for (const bitmap of this._bitmaps) {
+ bitmap.close();
+ }
+
+ this._bitmaps.clear();
+
+ this.pendingCleanup = false;
+ return true;
+ }
+
+ _startRenderPage(transparency, cacheKey) {
+ const intentState = this._intentStates.get(cacheKey);
+
+ if (!intentState) {
+ return;
+ }
+
+ if (this._stats) {
+ this._stats.timeEnd("Page Request");
+ }
+
+ if (intentState.displayReadyCapability) {
+ intentState.displayReadyCapability.resolve(transparency);
+ }
+ }
+
+ _renderPageChunk(operatorListChunk, intentState) {
+ for (let i = 0, ii = operatorListChunk.length; i < ii; i++) {
+ intentState.operatorList.fnArray.push(operatorListChunk.fnArray[i]);
+ intentState.operatorList.argsArray.push(operatorListChunk.argsArray[i]);
+ }
+
+ intentState.operatorList.lastChunk = operatorListChunk.lastChunk;
+ intentState.operatorList.separateAnnots = operatorListChunk.separateAnnots;
+
+ for (const internalRenderTask of intentState.renderTasks) {
+ internalRenderTask.operatorListChanged();
+ }
+
+ if (operatorListChunk.lastChunk) {
+ this._tryCleanup();
+ }
+ }
+
+ _pumpOperatorList({
+ renderingIntent,
+ cacheKey,
+ annotationStorageMap
+ }) {
+ const readableStream = this._transport.messageHandler.sendWithStream("GetOperatorList", {
+ pageIndex: this._pageIndex,
+ intent: renderingIntent,
+ cacheKey,
+ annotationStorage: annotationStorageMap
+ });
+
+ const reader = readableStream.getReader();
+
+ const intentState = this._intentStates.get(cacheKey);
+
+ intentState.streamReader = reader;
+
+ const pump = () => {
+ reader.read().then(({
+ value,
+ done
+ }) => {
+ if (done) {
+ intentState.streamReader = null;
+ return;
+ }
+
+ if (this._transport.destroyed) {
+ return;
+ }
+
+ this._renderPageChunk(value, intentState);
+
+ pump();
+ }, reason => {
+ intentState.streamReader = null;
+
+ if (this._transport.destroyed) {
+ return;
+ }
+
+ if (intentState.operatorList) {
+ intentState.operatorList.lastChunk = true;
+
+ for (const internalRenderTask of intentState.renderTasks) {
+ internalRenderTask.operatorListChanged();
+ }
+
+ this._tryCleanup();
+ }
+
+ if (intentState.displayReadyCapability) {
+ intentState.displayReadyCapability.reject(reason);
+ } else if (intentState.opListReadCapability) {
+ intentState.opListReadCapability.reject(reason);
+ } else {
+ throw reason;
+ }
+ });
+ };
+
+ pump();
+ }
+
+ _abortOperatorList({
+ intentState,
+ reason,
+ force = false
+ }) {
+ if (!intentState.streamReader) {
+ return;
+ }
+
+ if (!force) {
+ if (intentState.renderTasks.size > 0) {
+ return;
+ }
+
+ if (reason instanceof _display_utils.RenderingCancelledException) {
+ intentState.streamReaderCancelTimeout = setTimeout(() => {
+ this._abortOperatorList({
+ intentState,
+ reason,
+ force: true
+ });
+
+ intentState.streamReaderCancelTimeout = null;
+ }, RENDERING_CANCELLED_TIMEOUT);
+ return;
+ }
+ }
+
+ intentState.streamReader.cancel(new _util.AbortException(reason.message)).catch(() => {});
+ intentState.streamReader = null;
+
+ if (this._transport.destroyed) {
+ return;
+ }
+
+ for (const [curCacheKey, curIntentState] of this._intentStates) {
+ if (curIntentState === intentState) {
+ this._intentStates.delete(curCacheKey);
+
+ break;
+ }
+ }
+
+ this.cleanup();
+ }
+
+ get stats() {
+ return this._stats;
+ }
+
+}
+
+exports.PDFPageProxy = PDFPageProxy;
+
+class LoopbackPort {
+ constructor() {
+ this._listeners = [];
+ this._deferred = Promise.resolve();
+ }
+
+ postMessage(obj, transfers) {
+ const event = {
+ data: structuredClone(obj, transfers)
+ };
+
+ this._deferred.then(() => {
+ for (const listener of this._listeners) {
+ listener.call(this, event);
+ }
+ });
+ }
+
+ addEventListener(name, listener) {
+ this._listeners.push(listener);
+ }
+
+ removeEventListener(name, listener) {
+ const i = this._listeners.indexOf(listener);
+
+ this._listeners.splice(i, 1);
+ }
+
+ terminate() {
+ this._listeners.length = 0;
+ }
+
+}
+
+exports.LoopbackPort = LoopbackPort;
+const PDFWorkerUtil = {
+ isWorkerDisabled: false,
+ fallbackWorkerSrc: null,
+ fakeWorkerId: 0
+};
+exports.PDFWorkerUtil = PDFWorkerUtil;
+{
+ if (_is_node.isNodeJS && typeof require === "function") {
+ PDFWorkerUtil.isWorkerDisabled = true;
+ PDFWorkerUtil.fallbackWorkerSrc = "./pdf.worker.js";
+ } else if (typeof document === "object") {
+ const pdfjsFilePath = document?.currentScript?.src;
+
+ if (pdfjsFilePath) {
+ PDFWorkerUtil.fallbackWorkerSrc = pdfjsFilePath.replace(/(\.(?:min\.)?js)(\?.*)?$/i, ".worker$1$2");
+ }
+ }
+
+ PDFWorkerUtil.isSameOrigin = function (baseUrl, otherUrl) {
+ let base;
+
+ try {
+ base = new URL(baseUrl);
+
+ if (!base.origin || base.origin === "null") {
+ return false;
+ }
+ } catch (e) {
+ return false;
+ }
+
+ const other = new URL(otherUrl, base);
+ return base.origin === other.origin;
};
- return Util;
-}();
-var PageViewport = function PageViewportClosure() {
- function PageViewport(viewBox, scale, rotation, offsetX, offsetY, dontFlip) {
+
+ PDFWorkerUtil.createCDNWrapper = function (url) {
+ const wrapper = `importScripts("${url}");`;
+ return URL.createObjectURL(new Blob([wrapper]));
+ };
+}
+
+class PDFWorker {
+ static #workerPorts = new WeakMap();
+
+ constructor({
+ name = null,
+ port = null,
+ verbosity = (0, _util.getVerbosityLevel)()
+ } = {}) {
+ if (port && PDFWorker.#workerPorts.has(port)) {
+ throw new Error("Cannot use more than one PDFWorker per port.");
+ }
+
+ this.name = name;
+ this.destroyed = false;
+ this.verbosity = verbosity;
+ this._readyCapability = (0, _util.createPromiseCapability)();
+ this._port = null;
+ this._webWorker = null;
+ this._messageHandler = null;
+
+ if (port) {
+ PDFWorker.#workerPorts.set(port, this);
+
+ this._initializeFromPort(port);
+
+ return;
+ }
+
+ this._initialize();
+ }
+
+ get promise() {
+ return this._readyCapability.promise;
+ }
+
+ get port() {
+ return this._port;
+ }
+
+ get messageHandler() {
+ return this._messageHandler;
+ }
+
+ _initializeFromPort(port) {
+ this._port = port;
+ this._messageHandler = new _message_handler.MessageHandler("main", "worker", port);
+
+ this._messageHandler.on("ready", function () {});
+
+ this._readyCapability.resolve();
+ }
+
+ _initialize() {
+ if (!PDFWorkerUtil.isWorkerDisabled && !PDFWorker._mainThreadWorkerMessageHandler) {
+ let {
+ workerSrc
+ } = PDFWorker;
+
+ try {
+ if (!PDFWorkerUtil.isSameOrigin(window.location.href, workerSrc)) {
+ workerSrc = PDFWorkerUtil.createCDNWrapper(new URL(workerSrc, window.location).href);
+ }
+
+ const worker = new Worker(workerSrc);
+ const messageHandler = new _message_handler.MessageHandler("main", "worker", worker);
+
+ const terminateEarly = () => {
+ worker.removeEventListener("error", onWorkerError);
+ messageHandler.destroy();
+ worker.terminate();
+
+ if (this.destroyed) {
+ this._readyCapability.reject(new Error("Worker was destroyed"));
+ } else {
+ this._setupFakeWorker();
+ }
+ };
+
+ const onWorkerError = () => {
+ if (!this._webWorker) {
+ terminateEarly();
+ }
+ };
+
+ worker.addEventListener("error", onWorkerError);
+ messageHandler.on("test", data => {
+ worker.removeEventListener("error", onWorkerError);
+
+ if (this.destroyed) {
+ terminateEarly();
+ return;
+ }
+
+ if (data) {
+ this._messageHandler = messageHandler;
+ this._port = worker;
+ this._webWorker = worker;
+
+ this._readyCapability.resolve();
+
+ messageHandler.send("configure", {
+ verbosity: this.verbosity
+ });
+ } else {
+ this._setupFakeWorker();
+
+ messageHandler.destroy();
+ worker.terminate();
+ }
+ });
+ messageHandler.on("ready", data => {
+ worker.removeEventListener("error", onWorkerError);
+
+ if (this.destroyed) {
+ terminateEarly();
+ return;
+ }
+
+ try {
+ sendTest();
+ } catch (e) {
+ this._setupFakeWorker();
+ }
+ });
+
+ const sendTest = () => {
+ const testObj = new Uint8Array();
+ messageHandler.send("test", testObj, [testObj.buffer]);
+ };
+
+ sendTest();
+ return;
+ } catch (e) {
+ (0, _util.info)("The worker has been disabled.");
+ }
+ }
+
+ this._setupFakeWorker();
+ }
+
+ _setupFakeWorker() {
+ if (!PDFWorkerUtil.isWorkerDisabled) {
+ (0, _util.warn)("Setting up fake worker.");
+ PDFWorkerUtil.isWorkerDisabled = true;
+ }
+
+ PDFWorker._setupFakeWorkerGlobal.then(WorkerMessageHandler => {
+ if (this.destroyed) {
+ this._readyCapability.reject(new Error("Worker was destroyed"));
+
+ return;
+ }
+
+ const port = new LoopbackPort();
+ this._port = port;
+ const id = `fake${PDFWorkerUtil.fakeWorkerId++}`;
+ const workerHandler = new _message_handler.MessageHandler(id + "_worker", id, port);
+ WorkerMessageHandler.setup(workerHandler, port);
+ const messageHandler = new _message_handler.MessageHandler(id, id + "_worker", port);
+ this._messageHandler = messageHandler;
+
+ this._readyCapability.resolve();
+
+ messageHandler.send("configure", {
+ verbosity: this.verbosity
+ });
+ }).catch(reason => {
+ this._readyCapability.reject(new Error(`Setting up fake worker failed: "${reason.message}".`));
+ });
+ }
+
+ destroy() {
+ this.destroyed = true;
+
+ if (this._webWorker) {
+ this._webWorker.terminate();
+
+ this._webWorker = null;
+ }
+
+ PDFWorker.#workerPorts.delete(this._port);
+ this._port = null;
+
+ if (this._messageHandler) {
+ this._messageHandler.destroy();
+
+ this._messageHandler = null;
+ }
+ }
+
+ static fromPort(params) {
+ if (!params?.port) {
+ throw new Error("PDFWorker.fromPort - invalid method signature.");
+ }
+
+ if (this.#workerPorts.has(params.port)) {
+ return this.#workerPorts.get(params.port);
+ }
+
+ return new PDFWorker(params);
+ }
+
+ static get workerSrc() {
+ if (_worker_options.GlobalWorkerOptions.workerSrc) {
+ return _worker_options.GlobalWorkerOptions.workerSrc;
+ }
+
+ if (PDFWorkerUtil.fallbackWorkerSrc !== null) {
+ if (!_is_node.isNodeJS) {
+ (0, _display_utils.deprecated)('No "GlobalWorkerOptions.workerSrc" specified.');
+ }
+
+ return PDFWorkerUtil.fallbackWorkerSrc;
+ }
+
+ throw new Error('No "GlobalWorkerOptions.workerSrc" specified.');
+ }
+
+ static get _mainThreadWorkerMessageHandler() {
+ try {
+ return globalThis.pdfjsWorker?.WorkerMessageHandler || null;
+ } catch (ex) {
+ return null;
+ }
+ }
+
+ static get _setupFakeWorkerGlobal() {
+ const loader = async () => {
+ const mainWorkerMessageHandler = this._mainThreadWorkerMessageHandler;
+
+ if (mainWorkerMessageHandler) {
+ return mainWorkerMessageHandler;
+ }
+
+ if (_is_node.isNodeJS && typeof require === "function") {
+ const worker = eval("require")(this.workerSrc);
+ return worker.WorkerMessageHandler;
+ }
+
+ await (0, _display_utils.loadScript)(this.workerSrc);
+ return window.pdfjsWorker.WorkerMessageHandler;
+ };
+
+ return (0, _util.shadow)(this, "_setupFakeWorkerGlobal", loader());
+ }
+
+}
+
+exports.PDFWorker = PDFWorker;
+{
+ PDFWorker.getWorkerSrc = function () {
+ (0, _display_utils.deprecated)("`PDFWorker.getWorkerSrc()`, please use `PDFWorker.workerSrc` instead.");
+ return this.workerSrc;
+ };
+}
+
+class WorkerTransport {
+ #docStats = null;
+ #pageCache = new Map();
+ #pagePromises = new Map();
+ #metadataPromise = null;
+
+ constructor(messageHandler, loadingTask, networkStream, params) {
+ this.messageHandler = messageHandler;
+ this.loadingTask = loadingTask;
+ this.commonObjs = new PDFObjects();
+ this.fontLoader = new _font_loader.FontLoader({
+ docId: loadingTask.docId,
+ onUnsupportedFeature: this._onUnsupportedFeature.bind(this),
+ ownerDocument: params.ownerDocument,
+ styleElement: params.styleElement
+ });
+ this._params = params;
+
+ if (!params.useWorkerFetch) {
+ this.CMapReaderFactory = new params.CMapReaderFactory({
+ baseUrl: params.cMapUrl,
+ isCompressed: params.cMapPacked
+ });
+ this.StandardFontDataFactory = new params.StandardFontDataFactory({
+ baseUrl: params.standardFontDataUrl
+ });
+ }
+
+ this.destroyed = false;
+ this.destroyCapability = null;
+ this._passwordCapability = null;
+ this._networkStream = networkStream;
+ this._fullReader = null;
+ this._lastProgress = null;
+ this.downloadInfoCapability = (0, _util.createPromiseCapability)();
+ this.setupMessageHandler();
+ }
+
+ get annotationStorage() {
+ return (0, _util.shadow)(this, "annotationStorage", new _annotation_storage.AnnotationStorage());
+ }
+
+ get stats() {
+ return this.#docStats;
+ }
+
+ getRenderingIntent(intent, annotationMode = _util.AnnotationMode.ENABLE, printAnnotationStorage = null, isOpList = false) {
+ let renderingIntent = _util.RenderingIntentFlag.DISPLAY;
+ let annotationMap = null;
+
+ switch (intent) {
+ case "any":
+ renderingIntent = _util.RenderingIntentFlag.ANY;
+ break;
+
+ case "display":
+ break;
+
+ case "print":
+ renderingIntent = _util.RenderingIntentFlag.PRINT;
+ break;
+
+ default:
+ (0, _util.warn)(`getRenderingIntent - invalid intent: ${intent}`);
+ }
+
+ switch (annotationMode) {
+ case _util.AnnotationMode.DISABLE:
+ renderingIntent += _util.RenderingIntentFlag.ANNOTATIONS_DISABLE;
+ break;
+
+ case _util.AnnotationMode.ENABLE:
+ break;
+
+ case _util.AnnotationMode.ENABLE_FORMS:
+ renderingIntent += _util.RenderingIntentFlag.ANNOTATIONS_FORMS;
+ break;
+
+ case _util.AnnotationMode.ENABLE_STORAGE:
+ renderingIntent += _util.RenderingIntentFlag.ANNOTATIONS_STORAGE;
+ const annotationStorage = renderingIntent & _util.RenderingIntentFlag.PRINT && printAnnotationStorage instanceof _annotation_storage.PrintAnnotationStorage ? printAnnotationStorage : this.annotationStorage;
+ annotationMap = annotationStorage.serializable;
+ break;
+
+ default:
+ (0, _util.warn)(`getRenderingIntent - invalid annotationMode: ${annotationMode}`);
+ }
+
+ if (isOpList) {
+ renderingIntent += _util.RenderingIntentFlag.OPLIST;
+ }
+
+ return {
+ renderingIntent,
+ cacheKey: `${renderingIntent}_${_annotation_storage.AnnotationStorage.getHash(annotationMap)}`,
+ annotationStorageMap: annotationMap
+ };
+ }
+
+ destroy() {
+ if (this.destroyCapability) {
+ return this.destroyCapability.promise;
+ }
+
+ this.destroyed = true;
+ this.destroyCapability = (0, _util.createPromiseCapability)();
+
+ if (this._passwordCapability) {
+ this._passwordCapability.reject(new Error("Worker was destroyed during onPassword callback"));
+ }
+
+ const waitOn = [];
+
+ for (const page of this.#pageCache.values()) {
+ waitOn.push(page._destroy());
+ }
+
+ this.#pageCache.clear();
+ this.#pagePromises.clear();
+
+ if (this.hasOwnProperty("annotationStorage")) {
+ this.annotationStorage.resetModified();
+ }
+
+ const terminated = this.messageHandler.sendWithPromise("Terminate", null);
+ waitOn.push(terminated);
+ Promise.all(waitOn).then(() => {
+ this.commonObjs.clear();
+ this.fontLoader.clear();
+ this.#metadataPromise = null;
+ this._getFieldObjectsPromise = null;
+ this._hasJSActionsPromise = null;
+
+ if (this._networkStream) {
+ this._networkStream.cancelAllRequests(new _util.AbortException("Worker was terminated."));
+ }
+
+ if (this.messageHandler) {
+ this.messageHandler.destroy();
+ this.messageHandler = null;
+ }
+
+ this.destroyCapability.resolve();
+ }, this.destroyCapability.reject);
+ return this.destroyCapability.promise;
+ }
+
+ setupMessageHandler() {
+ const {
+ messageHandler,
+ loadingTask
+ } = this;
+ messageHandler.on("GetReader", (data, sink) => {
+ (0, _util.assert)(this._networkStream, "GetReader - no `IPDFStream` instance available.");
+ this._fullReader = this._networkStream.getFullReader();
+
+ this._fullReader.onProgress = evt => {
+ this._lastProgress = {
+ loaded: evt.loaded,
+ total: evt.total
+ };
+ };
+
+ sink.onPull = () => {
+ this._fullReader.read().then(function ({
+ value,
+ done
+ }) {
+ if (done) {
+ sink.close();
+ return;
+ }
+
+ (0, _util.assert)((0, _util.isArrayBuffer)(value), "GetReader - expected an ArrayBuffer.");
+ sink.enqueue(new Uint8Array(value), 1, [value]);
+ }).catch(reason => {
+ sink.error(reason);
+ });
+ };
+
+ sink.onCancel = reason => {
+ this._fullReader.cancel(reason);
+
+ sink.ready.catch(readyReason => {
+ if (this.destroyed) {
+ return;
+ }
+
+ throw readyReason;
+ });
+ };
+ });
+ messageHandler.on("ReaderHeadersReady", data => {
+ const headersCapability = (0, _util.createPromiseCapability)();
+ const fullReader = this._fullReader;
+ fullReader.headersReady.then(() => {
+ if (!fullReader.isStreamingSupported || !fullReader.isRangeSupported) {
+ if (this._lastProgress) {
+ loadingTask.onProgress?.(this._lastProgress);
+ }
+
+ fullReader.onProgress = evt => {
+ loadingTask.onProgress?.({
+ loaded: evt.loaded,
+ total: evt.total
+ });
+ };
+ }
+
+ headersCapability.resolve({
+ isStreamingSupported: fullReader.isStreamingSupported,
+ isRangeSupported: fullReader.isRangeSupported,
+ contentLength: fullReader.contentLength
+ });
+ }, headersCapability.reject);
+ return headersCapability.promise;
+ });
+ messageHandler.on("GetRangeReader", (data, sink) => {
+ (0, _util.assert)(this._networkStream, "GetRangeReader - no `IPDFStream` instance available.");
+
+ const rangeReader = this._networkStream.getRangeReader(data.begin, data.end);
+
+ if (!rangeReader) {
+ sink.close();
+ return;
+ }
+
+ sink.onPull = () => {
+ rangeReader.read().then(function ({
+ value,
+ done
+ }) {
+ if (done) {
+ sink.close();
+ return;
+ }
+
+ (0, _util.assert)((0, _util.isArrayBuffer)(value), "GetRangeReader - expected an ArrayBuffer.");
+ sink.enqueue(new Uint8Array(value), 1, [value]);
+ }).catch(reason => {
+ sink.error(reason);
+ });
+ };
+
+ sink.onCancel = reason => {
+ rangeReader.cancel(reason);
+ sink.ready.catch(readyReason => {
+ if (this.destroyed) {
+ return;
+ }
+
+ throw readyReason;
+ });
+ };
+ });
+ messageHandler.on("GetDoc", ({
+ pdfInfo
+ }) => {
+ this._numPages = pdfInfo.numPages;
+ this._htmlForXfa = pdfInfo.htmlForXfa;
+ delete pdfInfo.htmlForXfa;
+
+ loadingTask._capability.resolve(new PDFDocumentProxy(pdfInfo, this));
+ });
+ messageHandler.on("DocException", function (ex) {
+ let reason;
+
+ switch (ex.name) {
+ case "PasswordException":
+ reason = new _util.PasswordException(ex.message, ex.code);
+ break;
+
+ case "InvalidPDFException":
+ reason = new _util.InvalidPDFException(ex.message);
+ break;
+
+ case "MissingPDFException":
+ reason = new _util.MissingPDFException(ex.message);
+ break;
+
+ case "UnexpectedResponseException":
+ reason = new _util.UnexpectedResponseException(ex.message, ex.status);
+ break;
+
+ case "UnknownErrorException":
+ reason = new _util.UnknownErrorException(ex.message, ex.details);
+ break;
+
+ default:
+ (0, _util.unreachable)("DocException - expected a valid Error.");
+ }
+
+ loadingTask._capability.reject(reason);
+ });
+ messageHandler.on("PasswordRequest", exception => {
+ this._passwordCapability = (0, _util.createPromiseCapability)();
+
+ if (loadingTask.onPassword) {
+ const updatePassword = password => {
+ if (password instanceof Error) {
+ this._passwordCapability.reject(password);
+ } else {
+ this._passwordCapability.resolve({
+ password
+ });
+ }
+ };
+
+ try {
+ loadingTask.onPassword(updatePassword, exception.code);
+ } catch (ex) {
+ this._passwordCapability.reject(ex);
+ }
+ } else {
+ this._passwordCapability.reject(new _util.PasswordException(exception.message, exception.code));
+ }
+
+ return this._passwordCapability.promise;
+ });
+ messageHandler.on("DataLoaded", data => {
+ loadingTask.onProgress?.({
+ loaded: data.length,
+ total: data.length
+ });
+ this.downloadInfoCapability.resolve(data);
+ });
+ messageHandler.on("StartRenderPage", data => {
+ if (this.destroyed) {
+ return;
+ }
+
+ const page = this.#pageCache.get(data.pageIndex);
+
+ page._startRenderPage(data.transparency, data.cacheKey);
+ });
+ messageHandler.on("commonobj", ([id, type, exportedData]) => {
+ if (this.destroyed) {
+ return;
+ }
+
+ if (this.commonObjs.has(id)) {
+ return;
+ }
+
+ switch (type) {
+ case "Font":
+ const params = this._params;
+
+ if ("error" in exportedData) {
+ const exportedError = exportedData.error;
+ (0, _util.warn)(`Error during font loading: ${exportedError}`);
+ this.commonObjs.resolve(id, exportedError);
+ break;
+ }
+
+ let fontRegistry = null;
+
+ if (params.pdfBug && globalThis.FontInspector?.enabled) {
+ fontRegistry = {
+ registerFont(font, url) {
+ globalThis.FontInspector.fontAdded(font, url);
+ }
+
+ };
+ }
+
+ const font = new _font_loader.FontFaceObject(exportedData, {
+ isEvalSupported: params.isEvalSupported,
+ disableFontFace: params.disableFontFace,
+ ignoreErrors: params.ignoreErrors,
+ onUnsupportedFeature: this._onUnsupportedFeature.bind(this),
+ fontRegistry
+ });
+ this.fontLoader.bind(font).catch(reason => {
+ return messageHandler.sendWithPromise("FontFallback", {
+ id
+ });
+ }).finally(() => {
+ if (!params.fontExtraProperties && font.data) {
+ font.data = null;
+ }
+
+ this.commonObjs.resolve(id, font);
+ });
+ break;
+
+ case "FontPath":
+ case "Image":
+ this.commonObjs.resolve(id, exportedData);
+ break;
+
+ default:
+ throw new Error(`Got unknown common object type ${type}`);
+ }
+ });
+ messageHandler.on("obj", ([id, pageIndex, type, imageData]) => {
+ if (this.destroyed) {
+ return;
+ }
+
+ const pageProxy = this.#pageCache.get(pageIndex);
+
+ if (pageProxy.objs.has(id)) {
+ return;
+ }
+
+ switch (type) {
+ case "Image":
+ pageProxy.objs.resolve(id, imageData);
+ const MAX_IMAGE_SIZE_TO_STORE = 8000000;
+
+ if (imageData) {
+ let length;
+
+ if (imageData.bitmap) {
+ const {
+ bitmap,
+ width,
+ height
+ } = imageData;
+ length = width * height * 4;
+
+ pageProxy._bitmaps.add(bitmap);
+ } else {
+ length = imageData.data?.length || 0;
+ }
+
+ if (length > MAX_IMAGE_SIZE_TO_STORE) {
+ pageProxy.cleanupAfterRender = true;
+ }
+ }
+
+ break;
+
+ case "Pattern":
+ pageProxy.objs.resolve(id, imageData);
+ break;
+
+ default:
+ throw new Error(`Got unknown object type ${type}`);
+ }
+ });
+ messageHandler.on("DocProgress", data => {
+ if (this.destroyed) {
+ return;
+ }
+
+ loadingTask.onProgress?.({
+ loaded: data.loaded,
+ total: data.total
+ });
+ });
+ messageHandler.on("DocStats", data => {
+ if (this.destroyed) {
+ return;
+ }
+
+ this.#docStats = Object.freeze({
+ streamTypes: Object.freeze(data.streamTypes),
+ fontTypes: Object.freeze(data.fontTypes)
+ });
+ });
+ messageHandler.on("UnsupportedFeature", this._onUnsupportedFeature.bind(this));
+ messageHandler.on("FetchBuiltInCMap", data => {
+ if (this.destroyed) {
+ return Promise.reject(new Error("Worker was destroyed."));
+ }
+
+ if (!this.CMapReaderFactory) {
+ return Promise.reject(new Error("CMapReaderFactory not initialized, see the `useWorkerFetch` parameter."));
+ }
+
+ return this.CMapReaderFactory.fetch(data);
+ });
+ messageHandler.on("FetchStandardFontData", data => {
+ if (this.destroyed) {
+ return Promise.reject(new Error("Worker was destroyed."));
+ }
+
+ if (!this.StandardFontDataFactory) {
+ return Promise.reject(new Error("StandardFontDataFactory not initialized, see the `useWorkerFetch` parameter."));
+ }
+
+ return this.StandardFontDataFactory.fetch(data);
+ });
+ }
+
+ _onUnsupportedFeature({
+ featureId
+ }) {
+ if (this.destroyed) {
+ return;
+ }
+
+ this.loadingTask.onUnsupportedFeature?.(featureId);
+ }
+
+ getData() {
+ return this.messageHandler.sendWithPromise("GetData", null);
+ }
+
+ getPage(pageNumber) {
+ if (!Number.isInteger(pageNumber) || pageNumber <= 0 || pageNumber > this._numPages) {
+ return Promise.reject(new Error("Invalid page request."));
+ }
+
+ const pageIndex = pageNumber - 1,
+ cachedPromise = this.#pagePromises.get(pageIndex);
+
+ if (cachedPromise) {
+ return cachedPromise;
+ }
+
+ const promise = this.messageHandler.sendWithPromise("GetPage", {
+ pageIndex
+ }).then(pageInfo => {
+ if (this.destroyed) {
+ throw new Error("Transport destroyed");
+ }
+
+ const page = new PDFPageProxy(pageIndex, pageInfo, this, this._params.ownerDocument, this._params.pdfBug);
+ this.#pageCache.set(pageIndex, page);
+ return page;
+ });
+ this.#pagePromises.set(pageIndex, promise);
+ return promise;
+ }
+
+ getPageIndex(ref) {
+ if (typeof ref !== "object" || ref === null || !Number.isInteger(ref.num) || ref.num < 0 || !Number.isInteger(ref.gen) || ref.gen < 0) {
+ return Promise.reject(new Error("Invalid pageIndex request."));
+ }
+
+ return this.messageHandler.sendWithPromise("GetPageIndex", {
+ num: ref.num,
+ gen: ref.gen
+ });
+ }
+
+ getAnnotations(pageIndex, intent) {
+ return this.messageHandler.sendWithPromise("GetAnnotations", {
+ pageIndex,
+ intent
+ });
+ }
+
+ saveDocument() {
+ return this.messageHandler.sendWithPromise("SaveDocument", {
+ isPureXfa: !!this._htmlForXfa,
+ numPages: this._numPages,
+ annotationStorage: this.annotationStorage.serializable,
+ filename: this._fullReader?.filename ?? null
+ }).finally(() => {
+ this.annotationStorage.resetModified();
+ });
+ }
+
+ getFieldObjects() {
+ return this._getFieldObjectsPromise ||= this.messageHandler.sendWithPromise("GetFieldObjects", null);
+ }
+
+ hasJSActions() {
+ return this._hasJSActionsPromise ||= this.messageHandler.sendWithPromise("HasJSActions", null);
+ }
+
+ getCalculationOrderIds() {
+ return this.messageHandler.sendWithPromise("GetCalculationOrderIds", null);
+ }
+
+ getDestinations() {
+ return this.messageHandler.sendWithPromise("GetDestinations", null);
+ }
+
+ getDestination(id) {
+ if (typeof id !== "string") {
+ return Promise.reject(new Error("Invalid destination request."));
+ }
+
+ return this.messageHandler.sendWithPromise("GetDestination", {
+ id
+ });
+ }
+
+ getPageLabels() {
+ return this.messageHandler.sendWithPromise("GetPageLabels", null);
+ }
+
+ getPageLayout() {
+ return this.messageHandler.sendWithPromise("GetPageLayout", null);
+ }
+
+ getPageMode() {
+ return this.messageHandler.sendWithPromise("GetPageMode", null);
+ }
+
+ getViewerPreferences() {
+ return this.messageHandler.sendWithPromise("GetViewerPreferences", null);
+ }
+
+ getOpenAction() {
+ return this.messageHandler.sendWithPromise("GetOpenAction", null);
+ }
+
+ getAttachments() {
+ return this.messageHandler.sendWithPromise("GetAttachments", null);
+ }
+
+ getJavaScript() {
+ return this.messageHandler.sendWithPromise("GetJavaScript", null);
+ }
+
+ getDocJSActions() {
+ return this.messageHandler.sendWithPromise("GetDocJSActions", null);
+ }
+
+ getPageJSActions(pageIndex) {
+ return this.messageHandler.sendWithPromise("GetPageJSActions", {
+ pageIndex
+ });
+ }
+
+ getStructTree(pageIndex) {
+ return this.messageHandler.sendWithPromise("GetStructTree", {
+ pageIndex
+ });
+ }
+
+ getOutline() {
+ return this.messageHandler.sendWithPromise("GetOutline", null);
+ }
+
+ getOptionalContentConfig() {
+ return this.messageHandler.sendWithPromise("GetOptionalContentConfig", null).then(results => {
+ return new _optional_content_config.OptionalContentConfig(results);
+ });
+ }
+
+ getPermissions() {
+ return this.messageHandler.sendWithPromise("GetPermissions", null);
+ }
+
+ getMetadata() {
+ return this.#metadataPromise ||= this.messageHandler.sendWithPromise("GetMetadata", null).then(results => {
+ return {
+ info: results[0],
+ metadata: results[1] ? new _metadata.Metadata(results[1]) : null,
+ contentDispositionFilename: this._fullReader?.filename ?? null,
+ contentLength: this._fullReader?.contentLength ?? null
+ };
+ });
+ }
+
+ getMarkInfo() {
+ return this.messageHandler.sendWithPromise("GetMarkInfo", null);
+ }
+
+ async startCleanup(keepLoadedFonts = false) {
+ await this.messageHandler.sendWithPromise("Cleanup", null);
+
+ if (this.destroyed) {
+ return;
+ }
+
+ for (const page of this.#pageCache.values()) {
+ const cleanupSuccessful = page.cleanup();
+
+ if (!cleanupSuccessful) {
+ throw new Error(`startCleanup: Page ${page.pageNumber} is currently rendering.`);
+ }
+ }
+
+ this.commonObjs.clear();
+
+ if (!keepLoadedFonts) {
+ this.fontLoader.clear();
+ }
+
+ this.#metadataPromise = null;
+ this._getFieldObjectsPromise = null;
+ this._hasJSActionsPromise = null;
+ }
+
+ get loadingParams() {
+ const params = this._params;
+ return (0, _util.shadow)(this, "loadingParams", {
+ disableAutoFetch: params.disableAutoFetch,
+ enableXfa: params.enableXfa
+ });
+ }
+
+}
+
+class PDFObjects {
+ #objs = Object.create(null);
+
+ #ensureObj(objId) {
+ const obj = this.#objs[objId];
+
+ if (obj) {
+ return obj;
+ }
+
+ return this.#objs[objId] = {
+ capability: (0, _util.createPromiseCapability)(),
+ data: null
+ };
+ }
+
+ get(objId, callback = null) {
+ if (callback) {
+ const obj = this.#ensureObj(objId);
+ obj.capability.promise.then(() => callback(obj.data));
+ return null;
+ }
+
+ const obj = this.#objs[objId];
+
+ if (!obj?.capability.settled) {
+ throw new Error(`Requesting object that isn't resolved yet ${objId}.`);
+ }
+
+ return obj.data;
+ }
+
+ has(objId) {
+ const obj = this.#objs[objId];
+ return obj?.capability.settled || false;
+ }
+
+ resolve(objId, data = null) {
+ const obj = this.#ensureObj(objId);
+ obj.data = data;
+ obj.capability.resolve();
+ }
+
+ clear() {
+ this.#objs = Object.create(null);
+ }
+
+}
+
+class RenderTask {
+ #internalRenderTask = null;
+
+ constructor(internalRenderTask) {
+ this.#internalRenderTask = internalRenderTask;
+ this.onContinue = null;
+ }
+
+ get promise() {
+ return this.#internalRenderTask.capability.promise;
+ }
+
+ cancel() {
+ this.#internalRenderTask.cancel();
+ }
+
+ get separateAnnots() {
+ const {
+ separateAnnots
+ } = this.#internalRenderTask.operatorList;
+
+ if (!separateAnnots) {
+ return false;
+ }
+
+ const {
+ annotationCanvasMap
+ } = this.#internalRenderTask;
+ return separateAnnots.form || separateAnnots.canvas && annotationCanvasMap?.size > 0;
+ }
+
+}
+
+exports.RenderTask = RenderTask;
+
+class InternalRenderTask {
+ static #canvasInUse = new WeakSet();
+
+ constructor({
+ callback,
+ params,
+ objs,
+ commonObjs,
+ annotationCanvasMap,
+ operatorList,
+ pageIndex,
+ canvasFactory,
+ useRequestAnimationFrame = false,
+ pdfBug = false,
+ pageColors = null
+ }) {
+ this.callback = callback;
+ this.params = params;
+ this.objs = objs;
+ this.commonObjs = commonObjs;
+ this.annotationCanvasMap = annotationCanvasMap;
+ this.operatorListIdx = null;
+ this.operatorList = operatorList;
+ this._pageIndex = pageIndex;
+ this.canvasFactory = canvasFactory;
+ this._pdfBug = pdfBug;
+ this.pageColors = pageColors;
+ this.running = false;
+ this.graphicsReadyCallback = null;
+ this.graphicsReady = false;
+ this._useRequestAnimationFrame = useRequestAnimationFrame === true && typeof window !== "undefined";
+ this.cancelled = false;
+ this.capability = (0, _util.createPromiseCapability)();
+ this.task = new RenderTask(this);
+ this._cancelBound = this.cancel.bind(this);
+ this._continueBound = this._continue.bind(this);
+ this._scheduleNextBound = this._scheduleNext.bind(this);
+ this._nextBound = this._next.bind(this);
+ this._canvas = params.canvasContext.canvas;
+ }
+
+ get completed() {
+ return this.capability.promise.catch(function () {});
+ }
+
+ initializeGraphics({
+ transparency = false,
+ optionalContentConfig
+ }) {
+ if (this.cancelled) {
+ return;
+ }
+
+ if (this._canvas) {
+ if (InternalRenderTask.#canvasInUse.has(this._canvas)) {
+ throw new Error("Cannot use the same canvas during multiple render() operations. " + "Use different canvas or ensure previous operations were " + "cancelled or completed.");
+ }
+
+ InternalRenderTask.#canvasInUse.add(this._canvas);
+ }
+
+ if (this._pdfBug && globalThis.StepperManager?.enabled) {
+ this.stepper = globalThis.StepperManager.create(this._pageIndex);
+ this.stepper.init(this.operatorList);
+ this.stepper.nextBreakPoint = this.stepper.getNextBreakPoint();
+ }
+
+ const {
+ canvasContext,
+ viewport,
+ transform,
+ imageLayer,
+ background
+ } = this.params;
+ this.gfx = new _canvas.CanvasGraphics(canvasContext, this.commonObjs, this.objs, this.canvasFactory, imageLayer, optionalContentConfig, this.annotationCanvasMap, this.pageColors);
+ this.gfx.beginDrawing({
+ transform,
+ viewport,
+ transparency,
+ background
+ });
+ this.operatorListIdx = 0;
+ this.graphicsReady = true;
+
+ if (this.graphicsReadyCallback) {
+ this.graphicsReadyCallback();
+ }
+ }
+
+ cancel(error = null) {
+ this.running = false;
+ this.cancelled = true;
+
+ if (this.gfx) {
+ this.gfx.endDrawing();
+ }
+
+ if (this._canvas) {
+ InternalRenderTask.#canvasInUse.delete(this._canvas);
+ }
+
+ this.callback(error || new _display_utils.RenderingCancelledException(`Rendering cancelled, page ${this._pageIndex + 1}`, "canvas"));
+ }
+
+ operatorListChanged() {
+ if (!this.graphicsReady) {
+ if (!this.graphicsReadyCallback) {
+ this.graphicsReadyCallback = this._continueBound;
+ }
+
+ return;
+ }
+
+ if (this.stepper) {
+ this.stepper.updateOperatorList(this.operatorList);
+ }
+
+ if (this.running) {
+ return;
+ }
+
+ this._continue();
+ }
+
+ _continue() {
+ this.running = true;
+
+ if (this.cancelled) {
+ return;
+ }
+
+ if (this.task.onContinue) {
+ this.task.onContinue(this._scheduleNextBound);
+ } else {
+ this._scheduleNext();
+ }
+ }
+
+ _scheduleNext() {
+ if (this._useRequestAnimationFrame) {
+ window.requestAnimationFrame(() => {
+ this._nextBound().catch(this._cancelBound);
+ });
+ } else {
+ Promise.resolve().then(this._nextBound).catch(this._cancelBound);
+ }
+ }
+
+ async _next() {
+ if (this.cancelled) {
+ return;
+ }
+
+ this.operatorListIdx = this.gfx.executeOperatorList(this.operatorList, this.operatorListIdx, this._continueBound, this.stepper);
+
+ if (this.operatorListIdx === this.operatorList.argsArray.length) {
+ this.running = false;
+
+ if (this.operatorList.lastChunk) {
+ this.gfx.endDrawing();
+
+ if (this._canvas) {
+ InternalRenderTask.#canvasInUse.delete(this._canvas);
+ }
+
+ this.callback();
+ }
+ }
+ }
+
+}
+
+const version = '2.16.105';
+exports.version = version;
+const build = '172ccdbe5';
+exports.build = build;
+
+/***/ }),
+/* 5 */
+/***/ ((__unused_webpack_module, exports, __w_pdfjs_require__) => {
+
+
+
+Object.defineProperty(exports, "__esModule", ({
+ value: true
+}));
+exports.PrintAnnotationStorage = exports.AnnotationStorage = void 0;
+
+var _util = __w_pdfjs_require__(1);
+
+var _editor = __w_pdfjs_require__(6);
+
+var _murmurhash = __w_pdfjs_require__(10);
+
+class AnnotationStorage {
+ constructor() {
+ this._storage = new Map();
+ this._modified = false;
+ this.onSetModified = null;
+ this.onResetModified = null;
+ this.onAnnotationEditor = null;
+ }
+
+ getValue(key, defaultValue) {
+ const value = this._storage.get(key);
+
+ if (value === undefined) {
+ return defaultValue;
+ }
+
+ return Object.assign(defaultValue, value);
+ }
+
+ getRawValue(key) {
+ return this._storage.get(key);
+ }
+
+ remove(key) {
+ this._storage.delete(key);
+
+ if (this._storage.size === 0) {
+ this.resetModified();
+ }
+
+ if (typeof this.onAnnotationEditor === "function") {
+ for (const value of this._storage.values()) {
+ if (value instanceof _editor.AnnotationEditor) {
+ return;
+ }
+ }
+
+ this.onAnnotationEditor(null);
+ }
+ }
+
+ setValue(key, value) {
+ const obj = this._storage.get(key);
+
+ let modified = false;
+
+ if (obj !== undefined) {
+ for (const [entry, val] of Object.entries(value)) {
+ if (obj[entry] !== val) {
+ modified = true;
+ obj[entry] = val;
+ }
+ }
+ } else {
+ modified = true;
+
+ this._storage.set(key, value);
+ }
+
+ if (modified) {
+ this.#setModified();
+ }
+
+ if (value instanceof _editor.AnnotationEditor && typeof this.onAnnotationEditor === "function") {
+ this.onAnnotationEditor(value.constructor._type);
+ }
+ }
+
+ has(key) {
+ return this._storage.has(key);
+ }
+
+ getAll() {
+ return this._storage.size > 0 ? (0, _util.objectFromMap)(this._storage) : null;
+ }
+
+ get size() {
+ return this._storage.size;
+ }
+
+ #setModified() {
+ if (!this._modified) {
+ this._modified = true;
+
+ if (typeof this.onSetModified === "function") {
+ this.onSetModified();
+ }
+ }
+ }
+
+ resetModified() {
+ if (this._modified) {
+ this._modified = false;
+
+ if (typeof this.onResetModified === "function") {
+ this.onResetModified();
+ }
+ }
+ }
+
+ get print() {
+ return new PrintAnnotationStorage(this);
+ }
+
+ get serializable() {
+ if (this._storage.size === 0) {
+ return null;
+ }
+
+ const clone = new Map();
+
+ for (const [key, val] of this._storage) {
+ const serialized = val instanceof _editor.AnnotationEditor ? val.serialize() : val;
+
+ if (serialized) {
+ clone.set(key, serialized);
+ }
+ }
+
+ return clone;
+ }
+
+ static getHash(map) {
+ if (!map) {
+ return "";
+ }
+
+ const hash = new _murmurhash.MurmurHash3_64();
+
+ for (const [key, val] of map) {
+ hash.update(`${key}:${JSON.stringify(val)}`);
+ }
+
+ return hash.hexdigest();
+ }
+
+}
+
+exports.AnnotationStorage = AnnotationStorage;
+
+class PrintAnnotationStorage extends AnnotationStorage {
+ #serializable = null;
+
+ constructor(parent) {
+ super();
+ this.#serializable = structuredClone(parent.serializable);
+ }
+
+ get print() {
+ (0, _util.unreachable)("Should not call PrintAnnotationStorage.print");
+ }
+
+ get serializable() {
+ return this.#serializable;
+ }
+
+}
+
+exports.PrintAnnotationStorage = PrintAnnotationStorage;
+
+/***/ }),
+/* 6 */
+/***/ ((__unused_webpack_module, exports, __w_pdfjs_require__) => {
+
+
+
+Object.defineProperty(exports, "__esModule", ({
+ value: true
+}));
+exports.AnnotationEditor = void 0;
+
+var _tools = __w_pdfjs_require__(7);
+
+var _util = __w_pdfjs_require__(1);
+
+class AnnotationEditor {
+ #boundFocusin = this.focusin.bind(this);
+ #boundFocusout = this.focusout.bind(this);
+ #hasBeenSelected = false;
+ #isEditing = false;
+ #isInEditMode = false;
+ #zIndex = AnnotationEditor._zIndex++;
+ static _colorManager = new _tools.ColorManager();
+ static _zIndex = 1;
+
+ constructor(parameters) {
+ if (this.constructor === AnnotationEditor) {
+ (0, _util.unreachable)("Cannot initialize AnnotationEditor.");
+ }
+
+ this.parent = parameters.parent;
+ this.id = parameters.id;
+ this.width = this.height = null;
+ this.pageIndex = parameters.parent.pageIndex;
+ this.name = parameters.name;
+ this.div = null;
+ const [width, height] = this.parent.viewportBaseDimensions;
+ this.x = parameters.x / width;
+ this.y = parameters.y / height;
+ this.rotation = this.parent.viewport.rotation;
+ this.isAttachedToDOM = false;
+ }
+
+ static get _defaultLineColor() {
+ return (0, _util.shadow)(this, "_defaultLineColor", this._colorManager.getHexCode("CanvasText"));
+ }
+
+ setInBackground() {
+ this.div.style.zIndex = 0;
+ }
+
+ setInForeground() {
+ this.div.style.zIndex = this.#zIndex;
+ }
+
+ focusin(event) {
+ if (!this.#hasBeenSelected) {
+ this.parent.setSelected(this);
+ } else {
+ this.#hasBeenSelected = false;
+ }
+ }
+
+ focusout(event) {
+ if (!this.isAttachedToDOM) {
+ return;
+ }
+
+ const target = event.relatedTarget;
+
+ if (target?.closest(`#${this.id}`)) {
+ return;
+ }
+
+ event.preventDefault();
+
+ if (!this.parent.isMultipleSelection) {
+ this.commitOrRemove();
+ }
+ }
+
+ commitOrRemove() {
+ if (this.isEmpty()) {
+ this.remove();
+ } else {
+ this.commit();
+ }
+ }
+
+ commit() {
+ this.parent.addToAnnotationStorage(this);
+ }
+
+ dragstart(event) {
+ const rect = this.parent.div.getBoundingClientRect();
+ this.startX = event.clientX - rect.x;
+ this.startY = event.clientY - rect.y;
+ event.dataTransfer.setData("text/plain", this.id);
+ event.dataTransfer.effectAllowed = "move";
+ }
+
+ setAt(x, y, tx, ty) {
+ const [width, height] = this.parent.viewportBaseDimensions;
+ [tx, ty] = this.screenToPageTranslation(tx, ty);
+ this.x = (x + tx) / width;
+ this.y = (y + ty) / height;
+ this.div.style.left = `${100 * this.x}%`;
+ this.div.style.top = `${100 * this.y}%`;
+ }
+
+ translate(x, y) {
+ const [width, height] = this.parent.viewportBaseDimensions;
+ [x, y] = this.screenToPageTranslation(x, y);
+ this.x += x / width;
+ this.y += y / height;
+ this.div.style.left = `${100 * this.x}%`;
+ this.div.style.top = `${100 * this.y}%`;
+ }
+
+ screenToPageTranslation(x, y) {
+ const {
+ rotation
+ } = this.parent.viewport;
+
+ switch (rotation) {
+ case 90:
+ return [y, -x];
+
+ case 180:
+ return [-x, -y];
+
+ case 270:
+ return [-y, x];
+
+ default:
+ return [x, y];
+ }
+ }
+
+ setDims(width, height) {
+ const [parentWidth, parentHeight] = this.parent.viewportBaseDimensions;
+ this.div.style.width = `${100 * width / parentWidth}%`;
+ this.div.style.height = `${100 * height / parentHeight}%`;
+ }
+
+ getInitialTranslation() {
+ return [0, 0];
+ }
+
+ render() {
+ this.div = document.createElement("div");
+ this.div.setAttribute("data-editor-rotation", (360 - this.rotation) % 360);
+ this.div.className = this.name;
+ this.div.setAttribute("id", this.id);
+ this.div.setAttribute("tabIndex", 0);
+ this.setInForeground();
+ this.div.addEventListener("focusin", this.#boundFocusin);
+ this.div.addEventListener("focusout", this.#boundFocusout);
+ const [tx, ty] = this.getInitialTranslation();
+ this.translate(tx, ty);
+ (0, _tools.bindEvents)(this, this.div, ["dragstart", "pointerdown"]);
+ return this.div;
+ }
+
+ pointerdown(event) {
+ const isMac = _tools.KeyboardManager.platform.isMac;
+
+ if (event.button !== 0 || event.ctrlKey && isMac) {
+ event.preventDefault();
+ return;
+ }
+
+ if (event.ctrlKey && !isMac || event.shiftKey || event.metaKey && isMac) {
+ this.parent.toggleSelected(this);
+ } else {
+ this.parent.setSelected(this);
+ }
+
+ this.#hasBeenSelected = true;
+ }
+
+ getRect(tx, ty) {
+ const [parentWidth, parentHeight] = this.parent.viewportBaseDimensions;
+ const [pageWidth, pageHeight] = this.parent.pageDimensions;
+ const shiftX = pageWidth * tx / parentWidth;
+ const shiftY = pageHeight * ty / parentHeight;
+ const x = this.x * pageWidth;
+ const y = this.y * pageHeight;
+ const width = this.width * pageWidth;
+ const height = this.height * pageHeight;
+
+ switch (this.rotation) {
+ case 0:
+ return [x + shiftX, pageHeight - y - shiftY - height, x + shiftX + width, pageHeight - y - shiftY];
+
+ case 90:
+ return [x + shiftY, pageHeight - y + shiftX, x + shiftY + height, pageHeight - y + shiftX + width];
+
+ case 180:
+ return [x - shiftX - width, pageHeight - y + shiftY, x - shiftX, pageHeight - y + shiftY + height];
+
+ case 270:
+ return [x - shiftY - height, pageHeight - y - shiftX - width, x - shiftY, pageHeight - y - shiftX];
+
+ default:
+ throw new Error("Invalid rotation");
+ }
+ }
+
+ getRectInCurrentCoords(rect, pageHeight) {
+ const [x1, y1, x2, y2] = rect;
+ const width = x2 - x1;
+ const height = y2 - y1;
+
+ switch (this.rotation) {
+ case 0:
+ return [x1, pageHeight - y2, width, height];
+
+ case 90:
+ return [x1, pageHeight - y1, height, width];
+
+ case 180:
+ return [x2, pageHeight - y1, width, height];
+
+ case 270:
+ return [x2, pageHeight - y2, height, width];
+
+ default:
+ throw new Error("Invalid rotation");
+ }
+ }
+
+ onceAdded() {}
+
+ isEmpty() {
+ return false;
+ }
+
+ enableEditMode() {
+ this.#isInEditMode = true;
+ }
+
+ disableEditMode() {
+ this.#isInEditMode = false;
+ }
+
+ isInEditMode() {
+ return this.#isInEditMode;
+ }
+
+ shouldGetKeyboardEvents() {
+ return false;
+ }
+
+ needsToBeRebuilt() {
+ return this.div && !this.isAttachedToDOM;
+ }
+
+ rebuild() {
+ this.div?.addEventListener("focusin", this.#boundFocusin);
+ }
+
+ serialize() {
+ (0, _util.unreachable)("An editor must be serializable");
+ }
+
+ static deserialize(data, parent) {
+ const editor = new this.prototype.constructor({
+ parent,
+ id: parent.getNextId()
+ });
+ editor.rotation = data.rotation;
+ const [pageWidth, pageHeight] = parent.pageDimensions;
+ const [x, y, width, height] = editor.getRectInCurrentCoords(data.rect, pageHeight);
+ editor.x = x / pageWidth;
+ editor.y = y / pageHeight;
+ editor.width = width / pageWidth;
+ editor.height = height / pageHeight;
+ return editor;
+ }
+
+ remove() {
+ this.div.removeEventListener("focusin", this.#boundFocusin);
+ this.div.removeEventListener("focusout", this.#boundFocusout);
+
+ if (!this.isEmpty()) {
+ this.commit();
+ }
+
+ this.parent.remove(this);
+ }
+
+ select() {
+ this.div?.classList.add("selectedEditor");
+ }
+
+ unselect() {
+ this.div?.classList.remove("selectedEditor");
+ }
+
+ updateParams(type, value) {}
+
+ disableEditing() {}
+
+ enableEditing() {}
+
+ get propertiesToUpdate() {
+ return {};
+ }
+
+ get contentDiv() {
+ return this.div;
+ }
+
+ get isEditing() {
+ return this.#isEditing;
+ }
+
+ set isEditing(value) {
+ this.#isEditing = value;
+
+ if (value) {
+ this.parent.setSelected(this);
+ this.parent.setActiveEditor(this);
+ } else {
+ this.parent.setActiveEditor(null);
+ }
+ }
+
+}
+
+exports.AnnotationEditor = AnnotationEditor;
+
+/***/ }),
+/* 7 */
+/***/ ((__unused_webpack_module, exports, __w_pdfjs_require__) => {
+
+
+
+Object.defineProperty(exports, "__esModule", ({
+ value: true
+}));
+exports.KeyboardManager = exports.CommandManager = exports.ColorManager = exports.AnnotationEditorUIManager = void 0;
+exports.bindEvents = bindEvents;
+exports.opacityToHex = opacityToHex;
+
+var _util = __w_pdfjs_require__(1);
+
+var _display_utils = __w_pdfjs_require__(8);
+
+function bindEvents(obj, element, names) {
+ for (const name of names) {
+ element.addEventListener(name, obj[name].bind(obj));
+ }
+}
+
+function opacityToHex(opacity) {
+ return Math.round(Math.min(255, Math.max(1, 255 * opacity))).toString(16).padStart(2, "0");
+}
+
+class IdManager {
+ #id = 0;
+
+ getId() {
+ return `${_util.AnnotationEditorPrefix}${this.#id++}`;
+ }
+
+}
+
+class CommandManager {
+ #commands = [];
+ #locked = false;
+ #maxSize;
+ #position = -1;
+
+ constructor(maxSize = 128) {
+ this.#maxSize = maxSize;
+ }
+
+ add({
+ cmd,
+ undo,
+ mustExec,
+ type = NaN,
+ overwriteIfSameType = false,
+ keepUndo = false
+ }) {
+ if (mustExec) {
+ cmd();
+ }
+
+ if (this.#locked) {
+ return;
+ }
+
+ const save = {
+ cmd,
+ undo,
+ type
+ };
+
+ if (this.#position === -1) {
+ if (this.#commands.length > 0) {
+ this.#commands.length = 0;
+ }
+
+ this.#position = 0;
+ this.#commands.push(save);
+ return;
+ }
+
+ if (overwriteIfSameType && this.#commands[this.#position].type === type) {
+ if (keepUndo) {
+ save.undo = this.#commands[this.#position].undo;
+ }
+
+ this.#commands[this.#position] = save;
+ return;
+ }
+
+ const next = this.#position + 1;
+
+ if (next === this.#maxSize) {
+ this.#commands.splice(0, 1);
+ } else {
+ this.#position = next;
+
+ if (next < this.#commands.length) {
+ this.#commands.splice(next);
+ }
+ }
+
+ this.#commands.push(save);
+ }
+
+ undo() {
+ if (this.#position === -1) {
+ return;
+ }
+
+ this.#locked = true;
+ this.#commands[this.#position].undo();
+ this.#locked = false;
+ this.#position -= 1;
+ }
+
+ redo() {
+ if (this.#position < this.#commands.length - 1) {
+ this.#position += 1;
+ this.#locked = true;
+ this.#commands[this.#position].cmd();
+ this.#locked = false;
+ }
+ }
+
+ hasSomethingToUndo() {
+ return this.#position !== -1;
+ }
+
+ hasSomethingToRedo() {
+ return this.#position < this.#commands.length - 1;
+ }
+
+ destroy() {
+ this.#commands = null;
+ }
+
+}
+
+exports.CommandManager = CommandManager;
+
+class KeyboardManager {
+ constructor(callbacks) {
+ this.buffer = [];
+ this.callbacks = new Map();
+ this.allKeys = new Set();
+ const isMac = KeyboardManager.platform.isMac;
+
+ for (const [keys, callback] of callbacks) {
+ for (const key of keys) {
+ const isMacKey = key.startsWith("mac+");
+
+ if (isMac && isMacKey) {
+ this.callbacks.set(key.slice(4), callback);
+ this.allKeys.add(key.split("+").at(-1));
+ } else if (!isMac && !isMacKey) {
+ this.callbacks.set(key, callback);
+ this.allKeys.add(key.split("+").at(-1));
+ }
+ }
+ }
+ }
+
+ static get platform() {
+ const platform = typeof navigator !== "undefined" ? navigator.platform : "";
+ return (0, _util.shadow)(this, "platform", {
+ isWin: platform.includes("Win"),
+ isMac: platform.includes("Mac")
+ });
+ }
+
+ #serialize(event) {
+ if (event.altKey) {
+ this.buffer.push("alt");
+ }
+
+ if (event.ctrlKey) {
+ this.buffer.push("ctrl");
+ }
+
+ if (event.metaKey) {
+ this.buffer.push("meta");
+ }
+
+ if (event.shiftKey) {
+ this.buffer.push("shift");
+ }
+
+ this.buffer.push(event.key);
+ const str = this.buffer.join("+");
+ this.buffer.length = 0;
+ return str;
+ }
+
+ exec(self, event) {
+ if (!this.allKeys.has(event.key)) {
+ return;
+ }
+
+ const callback = this.callbacks.get(this.#serialize(event));
+
+ if (!callback) {
+ return;
+ }
+
+ callback.bind(self)();
+ event.stopPropagation();
+ event.preventDefault();
+ }
+
+}
+
+exports.KeyboardManager = KeyboardManager;
+
+class ClipboardManager {
+ #elements = null;
+
+ copy(element) {
+ if (!element) {
+ return;
+ }
+
+ if (Array.isArray(element)) {
+ this.#elements = element.map(el => el.serialize());
+ } else {
+ this.#elements = [element.serialize()];
+ }
+
+ this.#elements = this.#elements.filter(el => !!el);
+
+ if (this.#elements.length === 0) {
+ this.#elements = null;
+ }
+ }
+
+ paste() {
+ return this.#elements;
+ }
+
+ isEmpty() {
+ return this.#elements === null;
+ }
+
+ destroy() {
+ this.#elements = null;
+ }
+
+}
+
+class ColorManager {
+ static _colorsMapping = new Map([["CanvasText", [0, 0, 0]], ["Canvas", [255, 255, 255]]]);
+
+ get _colors() {
+ const colors = new Map([["CanvasText", null], ["Canvas", null]]);
+ (0, _display_utils.getColorValues)(colors);
+ return (0, _util.shadow)(this, "_colors", colors);
+ }
+
+ convert(color) {
+ const rgb = (0, _display_utils.getRGB)(color);
+
+ if (!window.matchMedia("(forced-colors: active)").matches) {
+ return rgb;
+ }
+
+ for (const [name, RGB] of this._colors) {
+ if (RGB.every((x, i) => x === rgb[i])) {
+ return ColorManager._colorsMapping.get(name);
+ }
+ }
+
+ return rgb;
+ }
+
+ getHexCode(name) {
+ const rgb = this._colors.get(name);
+
+ if (!rgb) {
+ return name;
+ }
+
+ return _util.Util.makeHexColor(...rgb);
+ }
+
+}
+
+exports.ColorManager = ColorManager;
+
+class AnnotationEditorUIManager {
+ #activeEditor = null;
+ #allEditors = new Map();
+ #allLayers = new Map();
+ #clipboardManager = new ClipboardManager();
+ #commandManager = new CommandManager();
+ #currentPageIndex = 0;
+ #editorTypes = null;
+ #eventBus = null;
+ #idManager = new IdManager();
+ #isEnabled = false;
+ #mode = _util.AnnotationEditorType.NONE;
+ #selectedEditors = new Set();
+ #boundKeydown = this.keydown.bind(this);
+ #boundOnEditingAction = this.onEditingAction.bind(this);
+ #boundOnPageChanging = this.onPageChanging.bind(this);
+ #previousStates = {
+ isEditing: false,
+ isEmpty: true,
+ hasEmptyClipboard: true,
+ hasSomethingToUndo: false,
+ hasSomethingToRedo: false,
+ hasSelectedEditor: false
+ };
+ #container = null;
+ static _keyboardManager = new KeyboardManager([[["ctrl+a", "mac+meta+a"], AnnotationEditorUIManager.prototype.selectAll], [["ctrl+c", "mac+meta+c"], AnnotationEditorUIManager.prototype.copy], [["ctrl+v", "mac+meta+v"], AnnotationEditorUIManager.prototype.paste], [["ctrl+x", "mac+meta+x"], AnnotationEditorUIManager.prototype.cut], [["ctrl+z", "mac+meta+z"], AnnotationEditorUIManager.prototype.undo], [["ctrl+y", "ctrl+shift+Z", "mac+meta+shift+Z"], AnnotationEditorUIManager.prototype.redo], [["Backspace", "alt+Backspace", "ctrl+Backspace", "shift+Backspace", "mac+Backspace", "mac+alt+Backspace", "mac+ctrl+Backspace", "Delete", "ctrl+Delete", "shift+Delete"], AnnotationEditorUIManager.prototype.delete], [["Escape", "mac+Escape"], AnnotationEditorUIManager.prototype.unselectAll]]);
+
+ constructor(container, eventBus) {
+ this.#container = container;
+ this.#eventBus = eventBus;
+
+ this.#eventBus._on("editingaction", this.#boundOnEditingAction);
+
+ this.#eventBus._on("pagechanging", this.#boundOnPageChanging);
+ }
+
+ destroy() {
+ this.#removeKeyboardManager();
+
+ this.#eventBus._off("editingaction", this.#boundOnEditingAction);
+
+ this.#eventBus._off("pagechanging", this.#boundOnPageChanging);
+
+ for (const layer of this.#allLayers.values()) {
+ layer.destroy();
+ }
+
+ this.#allLayers.clear();
+ this.#allEditors.clear();
+ this.#activeEditor = null;
+ this.#selectedEditors.clear();
+ this.#clipboardManager.destroy();
+ this.#commandManager.destroy();
+ }
+
+ onPageChanging({
+ pageNumber
+ }) {
+ this.#currentPageIndex = pageNumber - 1;
+ }
+
+ focusMainContainer() {
+ this.#container.focus();
+ }
+
+ #addKeyboardManager() {
+ this.#container.addEventListener("keydown", this.#boundKeydown);
+ }
+
+ #removeKeyboardManager() {
+ this.#container.removeEventListener("keydown", this.#boundKeydown);
+ }
+
+ keydown(event) {
+ if (!this.getActive()?.shouldGetKeyboardEvents()) {
+ AnnotationEditorUIManager._keyboardManager.exec(this, event);
+ }
+ }
+
+ onEditingAction(details) {
+ if (["undo", "redo", "cut", "copy", "paste", "delete", "selectAll"].includes(details.name)) {
+ this[details.name]();
+ }
+ }
+
+ #dispatchUpdateStates(details) {
+ const hasChanged = Object.entries(details).some(([key, value]) => this.#previousStates[key] !== value);
+
+ if (hasChanged) {
+ this.#eventBus.dispatch("annotationeditorstateschanged", {
+ source: this,
+ details: Object.assign(this.#previousStates, details)
+ });
+ }
+ }
+
+ #dispatchUpdateUI(details) {
+ this.#eventBus.dispatch("annotationeditorparamschanged", {
+ source: this,
+ details
+ });
+ }
+
+ setEditingState(isEditing) {
+ if (isEditing) {
+ this.#addKeyboardManager();
+ this.#dispatchUpdateStates({
+ isEditing: this.#mode !== _util.AnnotationEditorType.NONE,
+ isEmpty: this.#isEmpty(),
+ hasSomethingToUndo: this.#commandManager.hasSomethingToUndo(),
+ hasSomethingToRedo: this.#commandManager.hasSomethingToRedo(),
+ hasSelectedEditor: false,
+ hasEmptyClipboard: this.#clipboardManager.isEmpty()
+ });
+ } else {
+ this.#removeKeyboardManager();
+ this.#dispatchUpdateStates({
+ isEditing: false
+ });
+ }
+ }
+
+ registerEditorTypes(types) {
+ this.#editorTypes = types;
+
+ for (const editorType of this.#editorTypes) {
+ this.#dispatchUpdateUI(editorType.defaultPropertiesToUpdate);
+ }
+ }
+
+ getId() {
+ return this.#idManager.getId();
+ }
+
+ addLayer(layer) {
+ this.#allLayers.set(layer.pageIndex, layer);
+
+ if (this.#isEnabled) {
+ layer.enable();
+ } else {
+ layer.disable();
+ }
+ }
+
+ removeLayer(layer) {
+ this.#allLayers.delete(layer.pageIndex);
+ }
+
+ updateMode(mode) {
+ this.#mode = mode;
+
+ if (mode === _util.AnnotationEditorType.NONE) {
+ this.setEditingState(false);
+ this.#disableAll();
+ } else {
+ this.setEditingState(true);
+ this.#enableAll();
+
+ for (const layer of this.#allLayers.values()) {
+ layer.updateMode(mode);
+ }
+ }
+ }
+
+ updateToolbar(mode) {
+ if (mode === this.#mode) {
+ return;
+ }
+
+ this.#eventBus.dispatch("switchannotationeditormode", {
+ source: this,
+ mode
+ });
+ }
+
+ updateParams(type, value) {
+ for (const editor of this.#selectedEditors) {
+ editor.updateParams(type, value);
+ }
+
+ for (const editorType of this.#editorTypes) {
+ editorType.updateDefaultParams(type, value);
+ }
+ }
+
+ #enableAll() {
+ if (!this.#isEnabled) {
+ this.#isEnabled = true;
+
+ for (const layer of this.#allLayers.values()) {
+ layer.enable();
+ }
+ }
+ }
+
+ #disableAll() {
+ this.unselectAll();
+
+ if (this.#isEnabled) {
+ this.#isEnabled = false;
+
+ for (const layer of this.#allLayers.values()) {
+ layer.disable();
+ }
+ }
+ }
+
+ getEditors(pageIndex) {
+ const editors = [];
+
+ for (const editor of this.#allEditors.values()) {
+ if (editor.pageIndex === pageIndex) {
+ editors.push(editor);
+ }
+ }
+
+ return editors;
+ }
+
+ getEditor(id) {
+ return this.#allEditors.get(id);
+ }
+
+ addEditor(editor) {
+ this.#allEditors.set(editor.id, editor);
+ }
+
+ removeEditor(editor) {
+ this.#allEditors.delete(editor.id);
+ this.unselect(editor);
+ }
+
+ #addEditorToLayer(editor) {
+ const layer = this.#allLayers.get(editor.pageIndex);
+
+ if (layer) {
+ layer.addOrRebuild(editor);
+ } else {
+ this.addEditor(editor);
+ }
+ }
+
+ setActiveEditor(editor) {
+ if (this.#activeEditor === editor) {
+ return;
+ }
+
+ this.#activeEditor = editor;
+
+ if (editor) {
+ this.#dispatchUpdateUI(editor.propertiesToUpdate);
+ }
+ }
+
+ toggleSelected(editor) {
+ if (this.#selectedEditors.has(editor)) {
+ this.#selectedEditors.delete(editor);
+ editor.unselect();
+ this.#dispatchUpdateStates({
+ hasSelectedEditor: this.hasSelection
+ });
+ return;
+ }
+
+ this.#selectedEditors.add(editor);
+ editor.select();
+ this.#dispatchUpdateUI(editor.propertiesToUpdate);
+ this.#dispatchUpdateStates({
+ hasSelectedEditor: true
+ });
+ }
+
+ setSelected(editor) {
+ for (const ed of this.#selectedEditors) {
+ if (ed !== editor) {
+ ed.unselect();
+ }
+ }
+
+ this.#selectedEditors.clear();
+ this.#selectedEditors.add(editor);
+ editor.select();
+ this.#dispatchUpdateUI(editor.propertiesToUpdate);
+ this.#dispatchUpdateStates({
+ hasSelectedEditor: true
+ });
+ }
+
+ isSelected(editor) {
+ return this.#selectedEditors.has(editor);
+ }
+
+ unselect(editor) {
+ editor.unselect();
+ this.#selectedEditors.delete(editor);
+ this.#dispatchUpdateStates({
+ hasSelectedEditor: this.hasSelection
+ });
+ }
+
+ get hasSelection() {
+ return this.#selectedEditors.size !== 0;
+ }
+
+ undo() {
+ this.#commandManager.undo();
+ this.#dispatchUpdateStates({
+ hasSomethingToUndo: this.#commandManager.hasSomethingToUndo(),
+ hasSomethingToRedo: true,
+ isEmpty: this.#isEmpty()
+ });
+ }
+
+ redo() {
+ this.#commandManager.redo();
+ this.#dispatchUpdateStates({
+ hasSomethingToUndo: true,
+ hasSomethingToRedo: this.#commandManager.hasSomethingToRedo(),
+ isEmpty: this.#isEmpty()
+ });
+ }
+
+ addCommands(params) {
+ this.#commandManager.add(params);
+ this.#dispatchUpdateStates({
+ hasSomethingToUndo: true,
+ hasSomethingToRedo: false,
+ isEmpty: this.#isEmpty()
+ });
+ }
+
+ #isEmpty() {
+ if (this.#allEditors.size === 0) {
+ return true;
+ }
+
+ if (this.#allEditors.size === 1) {
+ for (const editor of this.#allEditors.values()) {
+ return editor.isEmpty();
+ }
+ }
+
+ return false;
+ }
+
+ delete() {
+ if (this.#activeEditor) {
+ this.#activeEditor.commitOrRemove();
+ }
+
+ if (!this.hasSelection) {
+ return;
+ }
+
+ const editors = [...this.#selectedEditors];
+
+ const cmd = () => {
+ for (const editor of editors) {
+ editor.remove();
+ }
+ };
+
+ const undo = () => {
+ for (const editor of editors) {
+ this.#addEditorToLayer(editor);
+ }
+ };
+
+ this.addCommands({
+ cmd,
+ undo,
+ mustExec: true
+ });
+ }
+
+ copy() {
+ if (this.#activeEditor) {
+ this.#activeEditor.commitOrRemove();
+ }
+
+ if (this.hasSelection) {
+ const editors = [];
+
+ for (const editor of this.#selectedEditors) {
+ if (!editor.isEmpty()) {
+ editors.push(editor);
+ }
+ }
+
+ if (editors.length === 0) {
+ return;
+ }
+
+ this.#clipboardManager.copy(editors);
+ this.#dispatchUpdateStates({
+ hasEmptyClipboard: false
+ });
+ }
+ }
+
+ cut() {
+ this.copy();
+ this.delete();
+ }
+
+ paste() {
+ if (this.#clipboardManager.isEmpty()) {
+ return;
+ }
+
+ this.unselectAll();
+ const layer = this.#allLayers.get(this.#currentPageIndex);
+ const newEditors = this.#clipboardManager.paste().map(data => layer.deserialize(data));
+
+ const cmd = () => {
+ for (const editor of newEditors) {
+ this.#addEditorToLayer(editor);
+ }
+
+ this.#selectEditors(newEditors);
+ };
+
+ const undo = () => {
+ for (const editor of newEditors) {
+ editor.remove();
+ }
+ };
+
+ this.addCommands({
+ cmd,
+ undo,
+ mustExec: true
+ });
+ }
+
+ #selectEditors(editors) {
+ this.#selectedEditors.clear();
+
+ for (const editor of editors) {
+ if (editor.isEmpty()) {
+ continue;
+ }
+
+ this.#selectedEditors.add(editor);
+ editor.select();
+ }
+
+ this.#dispatchUpdateStates({
+ hasSelectedEditor: true
+ });
+ }
+
+ selectAll() {
+ for (const editor of this.#selectedEditors) {
+ editor.commit();
+ }
+
+ this.#selectEditors(this.#allEditors.values());
+ }
+
+ unselectAll() {
+ if (this.#activeEditor) {
+ this.#activeEditor.commitOrRemove();
+ return;
+ }
+
+ if (this.#selectEditors.size === 0) {
+ return;
+ }
+
+ for (const editor of this.#selectedEditors) {
+ editor.unselect();
+ }
+
+ this.#selectedEditors.clear();
+ this.#dispatchUpdateStates({
+ hasSelectedEditor: false
+ });
+ }
+
+ isActive(editor) {
+ return this.#activeEditor === editor;
+ }
+
+ getActive() {
+ return this.#activeEditor;
+ }
+
+ getMode() {
+ return this.#mode;
+ }
+
+}
+
+exports.AnnotationEditorUIManager = AnnotationEditorUIManager;
+
+/***/ }),
+/* 8 */
+/***/ ((__unused_webpack_module, exports, __w_pdfjs_require__) => {
+
+
+
+Object.defineProperty(exports, "__esModule", ({
+ value: true
+}));
+exports.StatTimer = exports.RenderingCancelledException = exports.PixelsPerInch = exports.PageViewport = exports.PDFDateString = exports.DOMStandardFontDataFactory = exports.DOMSVGFactory = exports.DOMCanvasFactory = exports.DOMCMapReaderFactory = exports.AnnotationPrefix = void 0;
+exports.deprecated = deprecated;
+exports.getColorValues = getColorValues;
+exports.getCurrentTransform = getCurrentTransform;
+exports.getCurrentTransformInverse = getCurrentTransformInverse;
+exports.getFilenameFromUrl = getFilenameFromUrl;
+exports.getPdfFilenameFromUrl = getPdfFilenameFromUrl;
+exports.getRGB = getRGB;
+exports.getXfaPageViewport = getXfaPageViewport;
+exports.isDataScheme = isDataScheme;
+exports.isPdfFile = isPdfFile;
+exports.isValidFetchUrl = isValidFetchUrl;
+exports.loadScript = loadScript;
+
+var _base_factory = __w_pdfjs_require__(9);
+
+var _util = __w_pdfjs_require__(1);
+
+const SVG_NS = "http://www.w3.org/2000/svg";
+const AnnotationPrefix = "pdfjs_internal_id_";
+exports.AnnotationPrefix = AnnotationPrefix;
+
+class PixelsPerInch {
+ static CSS = 96.0;
+ static PDF = 72.0;
+ static PDF_TO_CSS_UNITS = this.CSS / this.PDF;
+}
+
+exports.PixelsPerInch = PixelsPerInch;
+
+class DOMCanvasFactory extends _base_factory.BaseCanvasFactory {
+ constructor({
+ ownerDocument = globalThis.document
+ } = {}) {
+ super();
+ this._document = ownerDocument;
+ }
+
+ _createCanvas(width, height) {
+ const canvas = this._document.createElement("canvas");
+
+ canvas.width = width;
+ canvas.height = height;
+ return canvas;
+ }
+
+}
+
+exports.DOMCanvasFactory = DOMCanvasFactory;
+
+async function fetchData(url, asTypedArray = false) {
+ if (isValidFetchUrl(url, document.baseURI)) {
+ const response = await fetch(url);
+
+ if (!response.ok) {
+ throw new Error(response.statusText);
+ }
+
+ return asTypedArray ? new Uint8Array(await response.arrayBuffer()) : (0, _util.stringToBytes)(await response.text());
+ }
+
+ return new Promise((resolve, reject) => {
+ const request = new XMLHttpRequest();
+ request.open("GET", url, true);
+
+ if (asTypedArray) {
+ request.responseType = "arraybuffer";
+ }
+
+ request.onreadystatechange = () => {
+ if (request.readyState !== XMLHttpRequest.DONE) {
+ return;
+ }
+
+ if (request.status === 200 || request.status === 0) {
+ let data;
+
+ if (asTypedArray && request.response) {
+ data = new Uint8Array(request.response);
+ } else if (!asTypedArray && request.responseText) {
+ data = (0, _util.stringToBytes)(request.responseText);
+ }
+
+ if (data) {
+ resolve(data);
+ return;
+ }
+ }
+
+ reject(new Error(request.statusText));
+ };
+
+ request.send(null);
+ });
+}
+
+class DOMCMapReaderFactory extends _base_factory.BaseCMapReaderFactory {
+ _fetchData(url, compressionType) {
+ return fetchData(url, this.isCompressed).then(data => {
+ return {
+ cMapData: data,
+ compressionType
+ };
+ });
+ }
+
+}
+
+exports.DOMCMapReaderFactory = DOMCMapReaderFactory;
+
+class DOMStandardFontDataFactory extends _base_factory.BaseStandardFontDataFactory {
+ _fetchData(url) {
+ return fetchData(url, true);
+ }
+
+}
+
+exports.DOMStandardFontDataFactory = DOMStandardFontDataFactory;
+
+class DOMSVGFactory extends _base_factory.BaseSVGFactory {
+ _createSVG(type) {
+ return document.createElementNS(SVG_NS, type);
+ }
+
+}
+
+exports.DOMSVGFactory = DOMSVGFactory;
+
+class PageViewport {
+ constructor({
+ viewBox,
+ scale,
+ rotation,
+ offsetX = 0,
+ offsetY = 0,
+ dontFlip = false
+ }) {
this.viewBox = viewBox;
this.scale = scale;
this.rotation = rotation;
this.offsetX = offsetX;
this.offsetY = offsetY;
- var centerX = (viewBox[2] + viewBox[0]) / 2;
- var centerY = (viewBox[3] + viewBox[1]) / 2;
- var rotateA, rotateB, rotateC, rotateD;
- rotation = rotation % 360;
- rotation = rotation < 0 ? rotation + 360 : rotation;
+ const centerX = (viewBox[2] + viewBox[0]) / 2;
+ const centerY = (viewBox[3] + viewBox[1]) / 2;
+ let rotateA, rotateB, rotateC, rotateD;
+ rotation %= 360;
+
+ if (rotation < 0) {
+ rotation += 360;
+ }
+
switch (rotation) {
case 180:
rotateA = -1;
@@ -796,31 +5004,40 @@ var PageViewport = function PageViewportClosure() {
rotateC = 0;
rotateD = 1;
break;
+
case 90:
rotateA = 0;
rotateB = 1;
rotateC = 1;
rotateD = 0;
break;
+
case 270:
rotateA = 0;
rotateB = -1;
rotateC = -1;
rotateD = 0;
break;
- default:
+
+ case 0:
rotateA = 1;
rotateB = 0;
rotateC = 0;
rotateD = -1;
break;
+
+ default:
+ throw new Error("PageViewport: Invalid rotation, must be a multiple of 90 degrees.");
}
+
if (dontFlip) {
rotateC = -rotateC;
rotateD = -rotateD;
}
- var offsetCanvasX, offsetCanvasY;
- var width, height;
+
+ let offsetCanvasX, offsetCanvasY;
+ let width, height;
+
if (rotateA === 0) {
offsetCanvasX = Math.abs(centerY - viewBox[1]) * scale + offsetX;
offsetCanvasY = Math.abs(centerX - viewBox[0]) * scale + offsetY;
@@ -832,9094 +5049,1406 @@ var PageViewport = function PageViewportClosure() {
width = Math.abs(viewBox[2] - viewBox[0]) * scale;
height = Math.abs(viewBox[3] - viewBox[1]) * scale;
}
+
this.transform = [rotateA * scale, rotateB * scale, rotateC * scale, rotateD * scale, offsetCanvasX - rotateA * scale * centerX - rotateC * scale * centerY, offsetCanvasY - rotateB * scale * centerX - rotateD * scale * centerY];
this.width = width;
this.height = height;
- this.fontScale = scale;
}
- PageViewport.prototype = {
- clone: function PageViewPort_clone(args) {
- args = args || {};
- var scale = 'scale' in args ? args.scale : this.scale;
- var rotation = 'rotation' in args ? args.rotation : this.rotation;
- return new PageViewport(this.viewBox.slice(), scale, rotation, this.offsetX, this.offsetY, args.dontFlip);
- },
- convertToViewportPoint: function PageViewport_convertToViewportPoint(x, y) {
- return Util.applyTransform([x, y], this.transform);
- },
- convertToViewportRectangle: function PageViewport_convertToViewportRectangle(rect) {
- var tl = Util.applyTransform([rect[0], rect[1]], this.transform);
- var br = Util.applyTransform([rect[2], rect[3]], this.transform);
- return [tl[0], tl[1], br[0], br[1]];
- },
- convertToPdfPoint: function PageViewport_convertToPdfPoint(x, y) {
- return Util.applyInverseTransform([x, y], this.transform);
- }
- };
- return PageViewport;
-}();
-var PDFStringTranslateTable = [0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0x2D8, 0x2C7, 0x2C6, 0x2D9, 0x2DD, 0x2DB, 0x2DA, 0x2DC, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0x2022, 0x2020, 0x2021, 0x2026, 0x2014, 0x2013, 0x192, 0x2044, 0x2039, 0x203A, 0x2212, 0x2030, 0x201E, 0x201C, 0x201D, 0x2018, 0x2019, 0x201A, 0x2122, 0xFB01, 0xFB02, 0x141, 0x152, 0x160, 0x178, 0x17D, 0x131, 0x142, 0x153, 0x161, 0x17E, 0, 0x20AC];
-function stringToPDFString(str) {
- var i,
- n = str.length,
- strBuf = [];
- if (str[0] === '\xFE' && str[1] === '\xFF') {
- for (i = 2; i < n; i += 2) {
- strBuf.push(String.fromCharCode(str.charCodeAt(i) << 8 | str.charCodeAt(i + 1)));
- }
- } else {
- for (i = 0; i < n; ++i) {
- var code = PDFStringTranslateTable[str.charCodeAt(i)];
- strBuf.push(code ? String.fromCharCode(code) : str.charAt(i));
+
+ clone({
+ scale = this.scale,
+ rotation = this.rotation,
+ offsetX = this.offsetX,
+ offsetY = this.offsetY,
+ dontFlip = false
+ } = {}) {
+ return new PageViewport({
+ viewBox: this.viewBox.slice(),
+ scale,
+ rotation,
+ offsetX,
+ offsetY,
+ dontFlip
+ });
+ }
+
+ convertToViewportPoint(x, y) {
+ return _util.Util.applyTransform([x, y], this.transform);
+ }
+
+ convertToViewportRectangle(rect) {
+ const topLeft = _util.Util.applyTransform([rect[0], rect[1]], this.transform);
+
+ const bottomRight = _util.Util.applyTransform([rect[2], rect[3]], this.transform);
+
+ return [topLeft[0], topLeft[1], bottomRight[0], bottomRight[1]];
+ }
+
+ convertToPdfPoint(x, y) {
+ return _util.Util.applyInverseTransform([x, y], this.transform);
+ }
+
+}
+
+exports.PageViewport = PageViewport;
+
+class RenderingCancelledException extends _util.BaseException {
+ constructor(msg, type) {
+ super(msg, "RenderingCancelledException");
+ this.type = type;
+ }
+
+}
+
+exports.RenderingCancelledException = RenderingCancelledException;
+
+function isDataScheme(url) {
+ const ii = url.length;
+ let i = 0;
+
+ while (i < ii && url[i].trim() === "") {
+ i++;
+ }
+
+ return url.substring(i, i + 5).toLowerCase() === "data:";
+}
+
+function isPdfFile(filename) {
+ return typeof filename === "string" && /\.pdf$/i.test(filename);
+}
+
+function getFilenameFromUrl(url) {
+ const anchor = url.indexOf("#");
+ const query = url.indexOf("?");
+ const end = Math.min(anchor > 0 ? anchor : url.length, query > 0 ? query : url.length);
+ return url.substring(url.lastIndexOf("/", end) + 1, end);
+}
+
+function getPdfFilenameFromUrl(url, defaultFilename = "document.pdf") {
+ if (typeof url !== "string") {
+ return defaultFilename;
+ }
+
+ if (isDataScheme(url)) {
+ (0, _util.warn)('getPdfFilenameFromUrl: ignore "data:"-URL for performance reasons.');
+ return defaultFilename;
+ }
+
+ const reURI = /^(?:(?:[^:]+:)?\/\/[^/]+)?([^?#]*)(\?[^#]*)?(#.*)?$/;
+ const reFilename = /[^/?#=]+\.pdf\b(?!.*\.pdf\b)/i;
+ const splitURI = reURI.exec(url);
+ let suggestedFilename = reFilename.exec(splitURI[1]) || reFilename.exec(splitURI[2]) || reFilename.exec(splitURI[3]);
+
+ if (suggestedFilename) {
+ suggestedFilename = suggestedFilename[0];
+
+ if (suggestedFilename.includes("%")) {
+ try {
+ suggestedFilename = reFilename.exec(decodeURIComponent(suggestedFilename))[0];
+ } catch (ex) {}
}
}
- return strBuf.join('');
+
+ return suggestedFilename || defaultFilename;
}
-function stringToUTF8String(str) {
- return decodeURIComponent(escape(str));
-}
-function utf8StringToString(str) {
- return unescape(encodeURIComponent(str));
-}
-function isEmptyObj(obj) {
- for (var key in obj) {
- return false;
- }
- return true;
-}
-function isBool(v) {
- return typeof v === 'boolean';
-}
-function isInt(v) {
- return typeof v === 'number' && (v | 0) === v;
-}
-function isNum(v) {
- return typeof v === 'number';
-}
-function isString(v) {
- return typeof v === 'string';
-}
-function isArray(v) {
- return v instanceof Array;
-}
-function isArrayBuffer(v) {
- return (typeof v === 'undefined' ? 'undefined' : _typeof(v)) === 'object' && v !== null && v.byteLength !== undefined;
-}
-function isSpace(ch) {
- return ch === 0x20 || ch === 0x09 || ch === 0x0D || ch === 0x0A;
-}
-function isNodeJS() {
- return (typeof process === 'undefined' ? 'undefined' : _typeof(process)) === 'object' && process + '' === '[object process]';
-}
-function createPromiseCapability() {
- var capability = {};
- capability.promise = new Promise(function (resolve, reject) {
- capability.resolve = resolve;
- capability.reject = reject;
- });
- return capability;
-}
-var StatTimer = function StatTimerClosure() {
- function rpad(str, pad, length) {
- while (str.length < length) {
- str += pad;
- }
- return str;
- }
- function StatTimer() {
+
+class StatTimer {
+ constructor() {
this.started = Object.create(null);
this.times = [];
- this.enabled = true;
}
- StatTimer.prototype = {
- time: function StatTimer_time(name) {
- if (!this.enabled) {
- return;
- }
- if (name in this.started) {
- warn('Timer is already running for ' + name);
- }
- this.started[name] = Date.now();
- },
- timeEnd: function StatTimer_timeEnd(name) {
- if (!this.enabled) {
- return;
- }
- if (!(name in this.started)) {
- warn('Timer has not been started for ' + name);
- }
- this.times.push({
- 'name': name,
- 'start': this.started[name],
- 'end': Date.now()
- });
- delete this.started[name];
- },
- toString: function StatTimer_toString() {
- var i, ii;
- var times = this.times;
- var out = '';
- var longest = 0;
- for (i = 0, ii = times.length; i < ii; ++i) {
- var name = times[i]['name'];
- if (name.length > longest) {
- longest = name.length;
- }
- }
- for (i = 0, ii = times.length; i < ii; ++i) {
- var span = times[i];
- var duration = span.end - span.start;
- out += rpad(span['name'], ' ', longest) + ' ' + duration + 'ms\n';
- }
- return out;
- }
- };
- return StatTimer;
-}();
-var createBlob = function createBlob(data, contentType) {
- if (typeof Blob !== 'undefined') {
- return new Blob([data], { type: contentType });
- }
- throw new Error('The "Blob" constructor is not supported.');
-};
-var createObjectURL = function createObjectURLClosure() {
- var digits = 'ABCDEFGHIJKLMNOPQRSTUVWXYZabcdefghijklmnopqrstuvwxyz0123456789+/=';
- return function createObjectURL(data, contentType) {
- var forceDataSchema = arguments.length > 2 && arguments[2] !== undefined ? arguments[2] : false;
- if (!forceDataSchema && URL.createObjectURL) {
- var blob = createBlob(data, contentType);
- return URL.createObjectURL(blob);
+ time(name) {
+ if (name in this.started) {
+ (0, _util.warn)(`Timer is already running for ${name}`);
}
- var buffer = 'data:' + contentType + ';base64,';
- for (var i = 0, ii = data.length; i < ii; i += 3) {
- var b1 = data[i] & 0xFF;
- var b2 = data[i + 1] & 0xFF;
- var b3 = data[i + 2] & 0xFF;
- var d1 = b1 >> 2,
- d2 = (b1 & 3) << 4 | b2 >> 4;
- var d3 = i + 1 < ii ? (b2 & 0xF) << 2 | b3 >> 6 : 64;
- var d4 = i + 2 < ii ? b3 & 0x3F : 64;
- buffer += digits[d1] + digits[d2] + digits[d3] + digits[d4];
- }
- return buffer;
- };
-}();
-function resolveCall(fn, args) {
- var thisArg = arguments.length > 2 && arguments[2] !== undefined ? arguments[2] : null;
- if (!fn) {
- return Promise.resolve(undefined);
+ this.started[name] = Date.now();
}
- return new Promise(function (resolve, reject) {
- resolve(fn.apply(thisArg, args));
+
+ timeEnd(name) {
+ if (!(name in this.started)) {
+ (0, _util.warn)(`Timer has not been started for ${name}`);
+ }
+
+ this.times.push({
+ name,
+ start: this.started[name],
+ end: Date.now()
+ });
+ delete this.started[name];
+ }
+
+ toString() {
+ const outBuf = [];
+ let longest = 0;
+
+ for (const time of this.times) {
+ const name = time.name;
+
+ if (name.length > longest) {
+ longest = name.length;
+ }
+ }
+
+ for (const time of this.times) {
+ const duration = time.end - time.start;
+ outBuf.push(`${time.name.padEnd(longest)} ${duration}ms\n`);
+ }
+
+ return outBuf.join("");
+ }
+
+}
+
+exports.StatTimer = StatTimer;
+
+function isValidFetchUrl(url, baseUrl) {
+ try {
+ const {
+ protocol
+ } = baseUrl ? new URL(url, baseUrl) : new URL(url);
+ return protocol === "http:" || protocol === "https:";
+ } catch (ex) {
+ return false;
+ }
+}
+
+function loadScript(src, removeScriptElement = false) {
+ return new Promise((resolve, reject) => {
+ const script = document.createElement("script");
+ script.src = src;
+
+ script.onload = function (evt) {
+ if (removeScriptElement) {
+ script.remove();
+ }
+
+ resolve(evt);
+ };
+
+ script.onerror = function () {
+ reject(new Error(`Cannot load script at: ${script.src}`));
+ };
+
+ (document.head || document.documentElement).append(script);
});
}
-function wrapReason(reason) {
- if ((typeof reason === 'undefined' ? 'undefined' : _typeof(reason)) !== 'object') {
- return reason;
+
+function deprecated(details) {
+ console.log("Deprecated API usage: " + details);
+}
+
+let pdfDateStringRegex;
+
+class PDFDateString {
+ static toDateObject(input) {
+ if (!input || typeof input !== "string") {
+ return null;
+ }
+
+ if (!pdfDateStringRegex) {
+ pdfDateStringRegex = new RegExp("^D:" + "(\\d{4})" + "(\\d{2})?" + "(\\d{2})?" + "(\\d{2})?" + "(\\d{2})?" + "(\\d{2})?" + "([Z|+|-])?" + "(\\d{2})?" + "'?" + "(\\d{2})?" + "'?");
+ }
+
+ const matches = pdfDateStringRegex.exec(input);
+
+ if (!matches) {
+ return null;
+ }
+
+ const year = parseInt(matches[1], 10);
+ let month = parseInt(matches[2], 10);
+ month = month >= 1 && month <= 12 ? month - 1 : 0;
+ let day = parseInt(matches[3], 10);
+ day = day >= 1 && day <= 31 ? day : 1;
+ let hour = parseInt(matches[4], 10);
+ hour = hour >= 0 && hour <= 23 ? hour : 0;
+ let minute = parseInt(matches[5], 10);
+ minute = minute >= 0 && minute <= 59 ? minute : 0;
+ let second = parseInt(matches[6], 10);
+ second = second >= 0 && second <= 59 ? second : 0;
+ const universalTimeRelation = matches[7] || "Z";
+ let offsetHour = parseInt(matches[8], 10);
+ offsetHour = offsetHour >= 0 && offsetHour <= 23 ? offsetHour : 0;
+ let offsetMinute = parseInt(matches[9], 10) || 0;
+ offsetMinute = offsetMinute >= 0 && offsetMinute <= 59 ? offsetMinute : 0;
+
+ if (universalTimeRelation === "-") {
+ hour += offsetHour;
+ minute += offsetMinute;
+ } else if (universalTimeRelation === "+") {
+ hour -= offsetHour;
+ minute -= offsetMinute;
+ }
+
+ return new Date(Date.UTC(year, month, day, hour, minute, second));
}
- switch (reason.name) {
- case 'AbortException':
- return new AbortException(reason.message);
- case 'MissingPDFException':
- return new MissingPDFException(reason.message);
- case 'UnexpectedResponseException':
- return new UnexpectedResponseException(reason.message, reason.status);
- default:
- return new UnknownErrorException(reason.message, reason.details);
+
+}
+
+exports.PDFDateString = PDFDateString;
+
+function getXfaPageViewport(xfaPage, {
+ scale = 1,
+ rotation = 0
+}) {
+ const {
+ width,
+ height
+ } = xfaPage.attributes.style;
+ const viewBox = [0, 0, parseInt(width), parseInt(height)];
+ return new PageViewport({
+ viewBox,
+ scale,
+ rotation
+ });
+}
+
+function getRGB(color) {
+ if (color.startsWith("#")) {
+ const colorRGB = parseInt(color.slice(1), 16);
+ return [(colorRGB & 0xff0000) >> 16, (colorRGB & 0x00ff00) >> 8, colorRGB & 0x0000ff];
}
-}
-function resolveOrReject(capability, success, reason) {
- if (success) {
- capability.resolve();
- } else {
- capability.reject(reason);
+
+ if (color.startsWith("rgb(")) {
+ return color.slice(4, -1).split(",").map(x => parseInt(x));
}
-}
-function finalize(promise) {
- return Promise.resolve(promise).catch(function () {});
-}
-function MessageHandler(sourceName, targetName, comObj) {
- var _this = this;
- this.sourceName = sourceName;
- this.targetName = targetName;
- this.comObj = comObj;
- this.callbackId = 1;
- this.streamId = 1;
- this.postMessageTransfers = true;
- this.streamSinks = Object.create(null);
- this.streamControllers = Object.create(null);
- var callbacksCapabilities = this.callbacksCapabilities = Object.create(null);
- var ah = this.actionHandler = Object.create(null);
- this._onComObjOnMessage = function (event) {
- var data = event.data;
- if (data.targetName !== _this.sourceName) {
- return;
- }
- if (data.stream) {
- _this._processStreamMessage(data);
- } else if (data.isReply) {
- var callbackId = data.callbackId;
- if (data.callbackId in callbacksCapabilities) {
- var callback = callbacksCapabilities[callbackId];
- delete callbacksCapabilities[callbackId];
- if ('error' in data) {
- callback.reject(wrapReason(data.error));
- } else {
- callback.resolve(data.data);
- }
- } else {
- throw new Error('Cannot resolve callback ' + callbackId);
- }
- } else if (data.action in ah) {
- var action = ah[data.action];
- if (data.callbackId) {
- var _sourceName = _this.sourceName;
- var _targetName = data.sourceName;
- Promise.resolve().then(function () {
- return action[0].call(action[1], data.data);
- }).then(function (result) {
- comObj.postMessage({
- sourceName: _sourceName,
- targetName: _targetName,
- isReply: true,
- callbackId: data.callbackId,
- data: result
- });
- }, function (reason) {
- if (reason instanceof Error) {
- reason = reason + '';
- }
- comObj.postMessage({
- sourceName: _sourceName,
- targetName: _targetName,
- isReply: true,
- callbackId: data.callbackId,
- error: reason
- });
- });
- } else if (data.streamId) {
- _this._createStreamSink(data);
- } else {
- action[0].call(action[1], data.data);
- }
- } else {
- throw new Error('Unknown action from worker: ' + data.action);
- }
- };
- comObj.addEventListener('message', this._onComObjOnMessage);
-}
-MessageHandler.prototype = {
- on: function on(actionName, handler, scope) {
- var ah = this.actionHandler;
- if (ah[actionName]) {
- throw new Error('There is already an actionName called "' + actionName + '"');
- }
- ah[actionName] = [handler, scope];
- },
- send: function send(actionName, data, transfers) {
- var message = {
- sourceName: this.sourceName,
- targetName: this.targetName,
- action: actionName,
- data: data
- };
- this.postMessage(message, transfers);
- },
- sendWithPromise: function sendWithPromise(actionName, data, transfers) {
- var callbackId = this.callbackId++;
- var message = {
- sourceName: this.sourceName,
- targetName: this.targetName,
- action: actionName,
- data: data,
- callbackId: callbackId
- };
- var capability = createPromiseCapability();
- this.callbacksCapabilities[callbackId] = capability;
- try {
- this.postMessage(message, transfers);
- } catch (e) {
- capability.reject(e);
- }
- return capability.promise;
- },
- sendWithStream: function sendWithStream(actionName, data, queueingStrategy, transfers) {
- var _this2 = this;
-
- var streamId = this.streamId++;
- var sourceName = this.sourceName;
- var targetName = this.targetName;
- return new _streams_polyfill.ReadableStream({
- start: function start(controller) {
- var startCapability = createPromiseCapability();
- _this2.streamControllers[streamId] = {
- controller: controller,
- startCall: startCapability,
- isClosed: false
- };
- _this2.postMessage({
- sourceName: sourceName,
- targetName: targetName,
- action: actionName,
- streamId: streamId,
- data: data,
- desiredSize: controller.desiredSize
- });
- return startCapability.promise;
- },
- pull: function pull(controller) {
- var pullCapability = createPromiseCapability();
- _this2.streamControllers[streamId].pullCall = pullCapability;
- _this2.postMessage({
- sourceName: sourceName,
- targetName: targetName,
- stream: 'pull',
- streamId: streamId,
- desiredSize: controller.desiredSize
- });
- return pullCapability.promise;
- },
- cancel: function cancel(reason) {
- var cancelCapability = createPromiseCapability();
- _this2.streamControllers[streamId].cancelCall = cancelCapability;
- _this2.streamControllers[streamId].isClosed = true;
- _this2.postMessage({
- sourceName: sourceName,
- targetName: targetName,
- stream: 'cancel',
- reason: reason,
- streamId: streamId
- });
- return cancelCapability.promise;
- }
- }, queueingStrategy);
- },
- _createStreamSink: function _createStreamSink(data) {
- var _this3 = this;
-
- var self = this;
- var action = this.actionHandler[data.action];
- var streamId = data.streamId;
- var desiredSize = data.desiredSize;
- var sourceName = this.sourceName;
- var targetName = data.sourceName;
- var capability = createPromiseCapability();
- var sendStreamRequest = function sendStreamRequest(_ref) {
- var stream = _ref.stream,
- chunk = _ref.chunk,
- transfers = _ref.transfers,
- success = _ref.success,
- reason = _ref.reason;
-
- _this3.postMessage({
- sourceName: sourceName,
- targetName: targetName,
- stream: stream,
- streamId: streamId,
- chunk: chunk,
- success: success,
- reason: reason
- }, transfers);
- };
- var streamSink = {
- enqueue: function enqueue(chunk) {
- var size = arguments.length > 1 && arguments[1] !== undefined ? arguments[1] : 1;
- var transfers = arguments[2];
-
- if (this.isCancelled) {
- return;
- }
- var lastDesiredSize = this.desiredSize;
- this.desiredSize -= size;
- if (lastDesiredSize > 0 && this.desiredSize <= 0) {
- this.sinkCapability = createPromiseCapability();
- this.ready = this.sinkCapability.promise;
- }
- sendStreamRequest({
- stream: 'enqueue',
- chunk: chunk,
- transfers: transfers
- });
- },
- close: function close() {
- if (this.isCancelled) {
- return;
- }
- sendStreamRequest({ stream: 'close' });
- delete self.streamSinks[streamId];
- },
- error: function error(reason) {
- if (this.isCancelled) {
- return;
- }
- this.isCancelled = true;
- sendStreamRequest({
- stream: 'error',
- reason: reason
- });
- },
-
- sinkCapability: capability,
- onPull: null,
- onCancel: null,
- isCancelled: false,
- desiredSize: desiredSize,
- ready: null
- };
- streamSink.sinkCapability.resolve();
- streamSink.ready = streamSink.sinkCapability.promise;
- this.streamSinks[streamId] = streamSink;
- resolveCall(action[0], [data.data, streamSink], action[1]).then(function () {
- sendStreamRequest({
- stream: 'start_complete',
- success: true
- });
- }, function (reason) {
- sendStreamRequest({
- stream: 'start_complete',
- success: false,
- reason: reason
- });
- });
- },
- _processStreamMessage: function _processStreamMessage(data) {
- var _this4 = this;
-
- var sourceName = this.sourceName;
- var targetName = data.sourceName;
- var streamId = data.streamId;
- var sendStreamResponse = function sendStreamResponse(_ref2) {
- var stream = _ref2.stream,
- success = _ref2.success,
- reason = _ref2.reason;
-
- _this4.comObj.postMessage({
- sourceName: sourceName,
- targetName: targetName,
- stream: stream,
- success: success,
- streamId: streamId,
- reason: reason
- });
- };
- var deleteStreamController = function deleteStreamController() {
- Promise.all([_this4.streamControllers[data.streamId].startCall, _this4.streamControllers[data.streamId].pullCall, _this4.streamControllers[data.streamId].cancelCall].map(function (capability) {
- return capability && finalize(capability.promise);
- })).then(function () {
- delete _this4.streamControllers[data.streamId];
- });
- };
- switch (data.stream) {
- case 'start_complete':
- resolveOrReject(this.streamControllers[data.streamId].startCall, data.success, wrapReason(data.reason));
- break;
- case 'pull_complete':
- resolveOrReject(this.streamControllers[data.streamId].pullCall, data.success, wrapReason(data.reason));
- break;
- case 'pull':
- if (!this.streamSinks[data.streamId]) {
- sendStreamResponse({
- stream: 'pull_complete',
- success: true
- });
- break;
- }
- if (this.streamSinks[data.streamId].desiredSize <= 0 && data.desiredSize > 0) {
- this.streamSinks[data.streamId].sinkCapability.resolve();
- }
- this.streamSinks[data.streamId].desiredSize = data.desiredSize;
- resolveCall(this.streamSinks[data.streamId].onPull).then(function () {
- sendStreamResponse({
- stream: 'pull_complete',
- success: true
- });
- }, function (reason) {
- sendStreamResponse({
- stream: 'pull_complete',
- success: false,
- reason: reason
- });
- });
- break;
- case 'enqueue':
- assert(this.streamControllers[data.streamId], 'enqueue should have stream controller');
- if (!this.streamControllers[data.streamId].isClosed) {
- this.streamControllers[data.streamId].controller.enqueue(data.chunk);
- }
- break;
- case 'close':
- assert(this.streamControllers[data.streamId], 'close should have stream controller');
- if (this.streamControllers[data.streamId].isClosed) {
- break;
- }
- this.streamControllers[data.streamId].isClosed = true;
- this.streamControllers[data.streamId].controller.close();
- deleteStreamController();
- break;
- case 'error':
- assert(this.streamControllers[data.streamId], 'error should have stream controller');
- this.streamControllers[data.streamId].controller.error(wrapReason(data.reason));
- deleteStreamController();
- break;
- case 'cancel_complete':
- resolveOrReject(this.streamControllers[data.streamId].cancelCall, data.success, wrapReason(data.reason));
- deleteStreamController();
- break;
- case 'cancel':
- if (!this.streamSinks[data.streamId]) {
- break;
- }
- resolveCall(this.streamSinks[data.streamId].onCancel, [wrapReason(data.reason)]).then(function () {
- sendStreamResponse({
- stream: 'cancel_complete',
- success: true
- });
- }, function (reason) {
- sendStreamResponse({
- stream: 'cancel_complete',
- success: false,
- reason: reason
- });
- });
- this.streamSinks[data.streamId].sinkCapability.reject(wrapReason(data.reason));
- this.streamSinks[data.streamId].isCancelled = true;
- delete this.streamSinks[data.streamId];
- break;
- default:
- throw new Error('Unexpected stream case');
- }
- },
- postMessage: function postMessage(message, transfers) {
- if (transfers && this.postMessageTransfers) {
- this.comObj.postMessage(message, transfers);
- } else {
- this.comObj.postMessage(message);
- }
- },
- destroy: function destroy() {
- this.comObj.removeEventListener('message', this._onComObjOnMessage);
+ if (color.startsWith("rgba(")) {
+ return color.slice(5, -1).split(",").map(x => parseInt(x)).slice(0, 3);
}
-};
-function loadJpegStream(id, imageUrl, objs) {
- var img = new Image();
- img.onload = function loadJpegStream_onloadClosure() {
- objs.resolve(id, img);
- };
- img.onerror = function loadJpegStream_onerrorClosure() {
- objs.resolve(id, null);
- warn('Error during JPEG image loading');
- };
- img.src = imageUrl;
+
+ (0, _util.warn)(`Not a valid color format: "${color}"`);
+ return [0, 0, 0];
+}
+
+function getColorValues(colors) {
+ const span = document.createElement("span");
+ span.style.visibility = "hidden";
+ document.body.append(span);
+
+ for (const name of colors.keys()) {
+ span.style.color = name;
+ const computedColor = window.getComputedStyle(span).color;
+ colors.set(name, getRGB(computedColor));
+ }
+
+ span.remove();
+}
+
+function getCurrentTransform(ctx) {
+ const {
+ a,
+ b,
+ c,
+ d,
+ e,
+ f
+ } = ctx.getTransform();
+ return [a, b, c, d, e, f];
+}
+
+function getCurrentTransformInverse(ctx) {
+ const {
+ a,
+ b,
+ c,
+ d,
+ e,
+ f
+ } = ctx.getTransform().invertSelf();
+ return [a, b, c, d, e, f];
}
-exports.FONT_IDENTITY_MATRIX = FONT_IDENTITY_MATRIX;
-exports.IDENTITY_MATRIX = IDENTITY_MATRIX;
-exports.OPS = OPS;
-exports.VERBOSITY_LEVELS = VERBOSITY_LEVELS;
-exports.UNSUPPORTED_FEATURES = UNSUPPORTED_FEATURES;
-exports.AnnotationBorderStyleType = AnnotationBorderStyleType;
-exports.AnnotationFieldFlag = AnnotationFieldFlag;
-exports.AnnotationFlag = AnnotationFlag;
-exports.AnnotationType = AnnotationType;
-exports.FontType = FontType;
-exports.ImageKind = ImageKind;
-exports.CMapCompressionType = CMapCompressionType;
-exports.AbortException = AbortException;
-exports.InvalidPDFException = InvalidPDFException;
-exports.MessageHandler = MessageHandler;
-exports.MissingDataException = MissingDataException;
-exports.MissingPDFException = MissingPDFException;
-exports.NativeImageDecoding = NativeImageDecoding;
-exports.NotImplementedException = NotImplementedException;
-exports.PageViewport = PageViewport;
-exports.PasswordException = PasswordException;
-exports.PasswordResponses = PasswordResponses;
-exports.StatTimer = StatTimer;
-exports.StreamType = StreamType;
-exports.TextRenderingMode = TextRenderingMode;
-exports.UnexpectedResponseException = UnexpectedResponseException;
-exports.UnknownErrorException = UnknownErrorException;
-exports.Util = Util;
-exports.XRefParseException = XRefParseException;
-exports.FormatError = FormatError;
-exports.arrayByteLength = arrayByteLength;
-exports.arraysToBytes = arraysToBytes;
-exports.assert = assert;
-exports.bytesToString = bytesToString;
-exports.createBlob = createBlob;
-exports.createPromiseCapability = createPromiseCapability;
-exports.createObjectURL = createObjectURL;
-exports.deprecated = deprecated;
-exports.getLookupTableFactory = getLookupTableFactory;
-exports.getVerbosityLevel = getVerbosityLevel;
-exports.globalScope = globalScope;
-exports.info = info;
-exports.isArray = isArray;
-exports.isArrayBuffer = isArrayBuffer;
-exports.isBool = isBool;
-exports.isEmptyObj = isEmptyObj;
-exports.isInt = isInt;
-exports.isNum = isNum;
-exports.isString = isString;
-exports.isSpace = isSpace;
-exports.isNodeJS = isNodeJS;
-exports.isSameOrigin = isSameOrigin;
-exports.createValidAbsoluteUrl = createValidAbsoluteUrl;
-exports.isLittleEndian = isLittleEndian;
-exports.isEvalSupported = isEvalSupported;
-exports.loadJpegStream = loadJpegStream;
-exports.log2 = log2;
-exports.readInt8 = readInt8;
-exports.readUint16 = readUint16;
-exports.readUint32 = readUint32;
-exports.removeNullCharacters = removeNullCharacters;
-exports.ReadableStream = _streams_polyfill.ReadableStream;
-exports.setVerbosityLevel = setVerbosityLevel;
-exports.shadow = shadow;
-exports.string32 = string32;
-exports.stringToBytes = stringToBytes;
-exports.stringToPDFString = stringToPDFString;
-exports.stringToUTF8String = stringToUTF8String;
-exports.utf8StringToString = utf8StringToString;
-exports.warn = warn;
-exports.unreachable = unreachable;
/***/ }),
-/* 1 */
-/***/ (function(module, exports, __w_pdfjs_require__) {
-
-"use strict";
+/* 9 */
+/***/ ((__unused_webpack_module, exports, __w_pdfjs_require__) => {
-Object.defineProperty(exports, "__esModule", {
+
+Object.defineProperty(exports, "__esModule", ({
value: true
-});
-exports.DOMCMapReaderFactory = exports.DOMCanvasFactory = exports.DEFAULT_LINK_REL = exports.getDefaultSetting = exports.LinkTarget = exports.getFilenameFromUrl = exports.isValidUrl = exports.isExternalLinkTargetSet = exports.addLinkAttributes = exports.RenderingCancelledException = exports.CustomStyle = undefined;
+}));
+exports.BaseStandardFontDataFactory = exports.BaseSVGFactory = exports.BaseCanvasFactory = exports.BaseCMapReaderFactory = void 0;
-var _createClass = function () { function defineProperties(target, props) { for (var i = 0; i < props.length; i++) { var descriptor = props[i]; descriptor.enumerable = descriptor.enumerable || false; descriptor.configurable = true; if ("value" in descriptor) descriptor.writable = true; Object.defineProperty(target, descriptor.key, descriptor); } } return function (Constructor, protoProps, staticProps) { if (protoProps) defineProperties(Constructor.prototype, protoProps); if (staticProps) defineProperties(Constructor, staticProps); return Constructor; }; }();
+var _util = __w_pdfjs_require__(1);
-var _util = __w_pdfjs_require__(0);
-
-function _classCallCheck(instance, Constructor) { if (!(instance instanceof Constructor)) { throw new TypeError("Cannot call a class as a function"); } }
-
-var DEFAULT_LINK_REL = 'noopener noreferrer nofollow';
-
-var DOMCanvasFactory = function () {
- function DOMCanvasFactory() {
- _classCallCheck(this, DOMCanvasFactory);
+class BaseCanvasFactory {
+ constructor() {
+ if (this.constructor === BaseCanvasFactory) {
+ (0, _util.unreachable)("Cannot initialize BaseCanvasFactory.");
+ }
}
- _createClass(DOMCanvasFactory, [{
- key: 'create',
- value: function create(width, height) {
- if (width <= 0 || height <= 0) {
- throw new Error('invalid canvas size');
- }
- var canvas = document.createElement('canvas');
- var context = canvas.getContext('2d');
- canvas.width = width;
- canvas.height = height;
- return {
- canvas: canvas,
- context: context
- };
+ create(width, height) {
+ if (width <= 0 || height <= 0) {
+ throw new Error("Invalid canvas size");
}
- }, {
- key: 'reset',
- value: function reset(canvasAndContext, width, height) {
- if (!canvasAndContext.canvas) {
- throw new Error('canvas is not specified');
- }
- if (width <= 0 || height <= 0) {
- throw new Error('invalid canvas size');
- }
- canvasAndContext.canvas.width = width;
- canvasAndContext.canvas.height = height;
+
+ const canvas = this._createCanvas(width, height);
+
+ return {
+ canvas,
+ context: canvas.getContext("2d")
+ };
+ }
+
+ reset(canvasAndContext, width, height) {
+ if (!canvasAndContext.canvas) {
+ throw new Error("Canvas is not specified");
}
- }, {
- key: 'destroy',
- value: function destroy(canvasAndContext) {
- if (!canvasAndContext.canvas) {
- throw new Error('canvas is not specified');
- }
- canvasAndContext.canvas.width = 0;
- canvasAndContext.canvas.height = 0;
- canvasAndContext.canvas = null;
- canvasAndContext.context = null;
+
+ if (width <= 0 || height <= 0) {
+ throw new Error("Invalid canvas size");
}
- }]);
- return DOMCanvasFactory;
-}();
+ canvasAndContext.canvas.width = width;
+ canvasAndContext.canvas.height = height;
+ }
-var DOMCMapReaderFactory = function () {
- function DOMCMapReaderFactory(_ref) {
- var _ref$baseUrl = _ref.baseUrl,
- baseUrl = _ref$baseUrl === undefined ? null : _ref$baseUrl,
- _ref$isCompressed = _ref.isCompressed,
- isCompressed = _ref$isCompressed === undefined ? false : _ref$isCompressed;
+ destroy(canvasAndContext) {
+ if (!canvasAndContext.canvas) {
+ throw new Error("Canvas is not specified");
+ }
- _classCallCheck(this, DOMCMapReaderFactory);
+ canvasAndContext.canvas.width = 0;
+ canvasAndContext.canvas.height = 0;
+ canvasAndContext.canvas = null;
+ canvasAndContext.context = null;
+ }
+
+ _createCanvas(width, height) {
+ (0, _util.unreachable)("Abstract method `_createCanvas` called.");
+ }
+
+}
+
+exports.BaseCanvasFactory = BaseCanvasFactory;
+
+class BaseCMapReaderFactory {
+ constructor({
+ baseUrl = null,
+ isCompressed = false
+ }) {
+ if (this.constructor === BaseCMapReaderFactory) {
+ (0, _util.unreachable)("Cannot initialize BaseCMapReaderFactory.");
+ }
this.baseUrl = baseUrl;
this.isCompressed = isCompressed;
}
- _createClass(DOMCMapReaderFactory, [{
- key: 'fetch',
- value: function fetch(_ref2) {
- var _this = this;
-
- var name = _ref2.name;
-
- if (!name) {
- return Promise.reject(new Error('CMap name must be specified.'));
- }
- return new Promise(function (resolve, reject) {
- var url = _this.baseUrl + name + (_this.isCompressed ? '.bcmap' : '');
- var request = new XMLHttpRequest();
- request.open('GET', url, true);
- if (_this.isCompressed) {
- request.responseType = 'arraybuffer';
- }
- request.onreadystatechange = function () {
- if (request.readyState !== XMLHttpRequest.DONE) {
- return;
- }
- if (request.status === 200 || request.status === 0) {
- var data = void 0;
- if (_this.isCompressed && request.response) {
- data = new Uint8Array(request.response);
- } else if (!_this.isCompressed && request.responseText) {
- data = (0, _util.stringToBytes)(request.responseText);
- }
- if (data) {
- resolve({
- cMapData: data,
- compressionType: _this.isCompressed ? _util.CMapCompressionType.BINARY : _util.CMapCompressionType.NONE
- });
- return;
- }
- }
- reject(new Error('Unable to load ' + (_this.isCompressed ? 'binary ' : '') + 'CMap at: ' + url));
- };
- request.send(null);
- });
+ async fetch({
+ name
+ }) {
+ if (!this.baseUrl) {
+ throw new Error('The CMap "baseUrl" parameter must be specified, ensure that ' + 'the "cMapUrl" and "cMapPacked" API parameters are provided.');
}
- }]);
- return DOMCMapReaderFactory;
-}();
-
-var CustomStyle = function CustomStyleClosure() {
- var prefixes = ['ms', 'Moz', 'Webkit', 'O'];
- var _cache = Object.create(null);
- function CustomStyle() {}
- CustomStyle.getProp = function get(propName, element) {
- if (arguments.length === 1 && typeof _cache[propName] === 'string') {
- return _cache[propName];
+ if (!name) {
+ throw new Error("CMap name must be specified.");
}
- element = element || document.documentElement;
- var style = element.style,
- prefixed,
- uPropName;
- if (typeof style[propName] === 'string') {
- return _cache[propName] = propName;
- }
- uPropName = propName.charAt(0).toUpperCase() + propName.slice(1);
- for (var i = 0, l = prefixes.length; i < l; i++) {
- prefixed = prefixes[i] + uPropName;
- if (typeof style[prefixed] === 'string') {
- return _cache[propName] = prefixed;
- }
- }
- return _cache[propName] = 'undefined';
- };
- CustomStyle.setProp = function set(propName, element, str) {
- var prop = this.getProp(propName);
- if (prop !== 'undefined') {
- element.style[prop] = str;
- }
- };
- return CustomStyle;
-}();
-var RenderingCancelledException = function RenderingCancelledException() {
- function RenderingCancelledException(msg, type) {
- this.message = msg;
- this.type = type;
- }
- RenderingCancelledException.prototype = new Error();
- RenderingCancelledException.prototype.name = 'RenderingCancelledException';
- RenderingCancelledException.constructor = RenderingCancelledException;
- return RenderingCancelledException;
-}();
-var LinkTarget = {
- NONE: 0,
- SELF: 1,
- BLANK: 2,
- PARENT: 3,
- TOP: 4
-};
-var LinkTargetStringMap = ['', '_self', '_blank', '_parent', '_top'];
-function addLinkAttributes(link, params) {
- var url = params && params.url;
- link.href = link.title = url ? (0, _util.removeNullCharacters)(url) : '';
- if (url) {
- var target = params.target;
- if (typeof target === 'undefined') {
- target = getDefaultSetting('externalLinkTarget');
- }
- link.target = LinkTargetStringMap[target];
- var rel = params.rel;
- if (typeof rel === 'undefined') {
- rel = getDefaultSetting('externalLinkRel');
- }
- link.rel = rel;
- }
-}
-function getFilenameFromUrl(url) {
- var anchor = url.indexOf('#');
- var query = url.indexOf('?');
- var end = Math.min(anchor > 0 ? anchor : url.length, query > 0 ? query : url.length);
- return url.substring(url.lastIndexOf('/', end) + 1, end);
-}
-function getDefaultSetting(id) {
- var globalSettings = _util.globalScope.PDFJS;
- switch (id) {
- case 'pdfBug':
- return globalSettings ? globalSettings.pdfBug : false;
- case 'disableAutoFetch':
- return globalSettings ? globalSettings.disableAutoFetch : false;
- case 'disableStream':
- return globalSettings ? globalSettings.disableStream : false;
- case 'disableRange':
- return globalSettings ? globalSettings.disableRange : false;
- case 'disableFontFace':
- return globalSettings ? globalSettings.disableFontFace : false;
- case 'disableCreateObjectURL':
- return globalSettings ? globalSettings.disableCreateObjectURL : false;
- case 'disableWebGL':
- return globalSettings ? globalSettings.disableWebGL : true;
- case 'cMapUrl':
- return globalSettings ? globalSettings.cMapUrl : null;
- case 'cMapPacked':
- return globalSettings ? globalSettings.cMapPacked : false;
- case 'postMessageTransfers':
- return globalSettings ? globalSettings.postMessageTransfers : true;
- case 'workerPort':
- return globalSettings ? globalSettings.workerPort : null;
- case 'workerSrc':
- return globalSettings ? globalSettings.workerSrc : null;
- case 'disableWorker':
- return globalSettings ? globalSettings.disableWorker : false;
- case 'maxImageSize':
- return globalSettings ? globalSettings.maxImageSize : -1;
- case 'imageResourcesPath':
- return globalSettings ? globalSettings.imageResourcesPath : '';
- case 'isEvalSupported':
- return globalSettings ? globalSettings.isEvalSupported : true;
- case 'externalLinkTarget':
- if (!globalSettings) {
- return LinkTarget.NONE;
- }
- switch (globalSettings.externalLinkTarget) {
- case LinkTarget.NONE:
- case LinkTarget.SELF:
- case LinkTarget.BLANK:
- case LinkTarget.PARENT:
- case LinkTarget.TOP:
- return globalSettings.externalLinkTarget;
- }
- (0, _util.warn)('PDFJS.externalLinkTarget is invalid: ' + globalSettings.externalLinkTarget);
- globalSettings.externalLinkTarget = LinkTarget.NONE;
- return LinkTarget.NONE;
- case 'externalLinkRel':
- return globalSettings ? globalSettings.externalLinkRel : DEFAULT_LINK_REL;
- case 'enableStats':
- return !!(globalSettings && globalSettings.enableStats);
- case 'pdfjsNext':
- return !!(globalSettings && globalSettings.pdfjsNext);
- default:
- throw new Error('Unknown default setting: ' + id);
- }
-}
-function isExternalLinkTargetSet() {
- var externalLinkTarget = getDefaultSetting('externalLinkTarget');
- switch (externalLinkTarget) {
- case LinkTarget.NONE:
- return false;
- case LinkTarget.SELF:
- case LinkTarget.BLANK:
- case LinkTarget.PARENT:
- case LinkTarget.TOP:
- return true;
- }
-}
-function isValidUrl(url, allowRelative) {
- (0, _util.deprecated)('isValidUrl(), please use createValidAbsoluteUrl() instead.');
- var baseUrl = allowRelative ? 'http://example.com' : null;
- return (0, _util.createValidAbsoluteUrl)(url, baseUrl) !== null;
-}
-exports.CustomStyle = CustomStyle;
-exports.RenderingCancelledException = RenderingCancelledException;
-exports.addLinkAttributes = addLinkAttributes;
-exports.isExternalLinkTargetSet = isExternalLinkTargetSet;
-exports.isValidUrl = isValidUrl;
-exports.getFilenameFromUrl = getFilenameFromUrl;
-exports.LinkTarget = LinkTarget;
-exports.getDefaultSetting = getDefaultSetting;
-exports.DEFAULT_LINK_REL = DEFAULT_LINK_REL;
-exports.DOMCanvasFactory = DOMCanvasFactory;
-exports.DOMCMapReaderFactory = DOMCMapReaderFactory;
-/***/ }),
-/* 2 */
-/***/ (function(module, exports, __w_pdfjs_require__) {
-
-"use strict";
-
-
-Object.defineProperty(exports, "__esModule", {
- value: true
-});
-exports.build = exports.version = exports._UnsupportedManager = exports.setPDFNetworkStreamClass = exports.PDFPageProxy = exports.PDFDocumentProxy = exports.PDFWorker = exports.PDFDataRangeTransport = exports.LoopbackPort = exports.getDocument = undefined;
-
-var _createClass = function () { function defineProperties(target, props) { for (var i = 0; i < props.length; i++) { var descriptor = props[i]; descriptor.enumerable = descriptor.enumerable || false; descriptor.configurable = true; if ("value" in descriptor) descriptor.writable = true; Object.defineProperty(target, descriptor.key, descriptor); } } return function (Constructor, protoProps, staticProps) { if (protoProps) defineProperties(Constructor.prototype, protoProps); if (staticProps) defineProperties(Constructor, staticProps); return Constructor; }; }();
-
-var _typeof = typeof Symbol === "function" && typeof Symbol.iterator === "symbol" ? function (obj) { return typeof obj; } : function (obj) { return obj && typeof Symbol === "function" && obj.constructor === Symbol && obj !== Symbol.prototype ? "symbol" : typeof obj; };
-
-var _util = __w_pdfjs_require__(0);
-
-var _dom_utils = __w_pdfjs_require__(1);
-
-var _font_loader = __w_pdfjs_require__(12);
-
-var _canvas = __w_pdfjs_require__(11);
-
-var _metadata = __w_pdfjs_require__(6);
-
-var _transport_stream = __w_pdfjs_require__(14);
-
-function _classCallCheck(instance, Constructor) { if (!(instance instanceof Constructor)) { throw new TypeError("Cannot call a class as a function"); } }
-
-var DEFAULT_RANGE_CHUNK_SIZE = 65536;
-var isWorkerDisabled = false;
-var workerSrc;
-var isPostMessageTransfersDisabled = false;
-var pdfjsFilePath = typeof document !== 'undefined' && document.currentScript ? document.currentScript.src : null;
-var fakeWorkerFilesLoader = null;
-var useRequireEnsure = false;
-{
- if (typeof window === 'undefined') {
- isWorkerDisabled = true;
- if (typeof require.ensure === 'undefined') {
- require.ensure = require('node-ensure');
- }
- useRequireEnsure = true;
- } else if (typeof require !== 'undefined' && typeof require.ensure === 'function') {
- useRequireEnsure = true;
- }
- if (typeof requirejs !== 'undefined' && requirejs.toUrl) {
- workerSrc = requirejs.toUrl('pdfjs-dist/build/pdf.worker.js');
- }
- var dynamicLoaderSupported = typeof requirejs !== 'undefined' && requirejs.load;
- fakeWorkerFilesLoader = useRequireEnsure ? function (callback) {
- require.ensure([], function () {
- var worker;
- worker = require('./pdf.worker.js');
- callback(worker.WorkerMessageHandler);
- });
- } : dynamicLoaderSupported ? function (callback) {
- requirejs(['pdfjs-dist/build/pdf.worker'], function (worker) {
- callback(worker.WorkerMessageHandler);
- });
- } : null;
-}
-var PDFNetworkStream;
-function setPDFNetworkStreamClass(cls) {
- PDFNetworkStream = cls;
-}
-function getDocument(src, pdfDataRangeTransport, passwordCallback, progressCallback) {
- var task = new PDFDocumentLoadingTask();
- if (arguments.length > 1) {
- (0, _util.deprecated)('getDocument is called with pdfDataRangeTransport, ' + 'passwordCallback or progressCallback argument');
- }
- if (pdfDataRangeTransport) {
- if (!(pdfDataRangeTransport instanceof PDFDataRangeTransport)) {
- pdfDataRangeTransport = Object.create(pdfDataRangeTransport);
- pdfDataRangeTransport.length = src.length;
- pdfDataRangeTransport.initialData = src.initialData;
- if (!pdfDataRangeTransport.abort) {
- pdfDataRangeTransport.abort = function () {};
- }
- }
- src = Object.create(src);
- src.range = pdfDataRangeTransport;
- }
- task.onPassword = passwordCallback || null;
- task.onProgress = progressCallback || null;
- var source;
- if (typeof src === 'string') {
- source = { url: src };
- } else if ((0, _util.isArrayBuffer)(src)) {
- source = { data: src };
- } else if (src instanceof PDFDataRangeTransport) {
- source = { range: src };
- } else {
- if ((typeof src === 'undefined' ? 'undefined' : _typeof(src)) !== 'object') {
- throw new Error('Invalid parameter in getDocument, ' + 'need either Uint8Array, string or a parameter object');
- }
- if (!src.url && !src.data && !src.range) {
- throw new Error('Invalid parameter object: need either .data, .range or .url');
- }
- source = src;
- }
- var params = {};
- var rangeTransport = null;
- var worker = null;
- var CMapReaderFactory = _dom_utils.DOMCMapReaderFactory;
- for (var key in source) {
- if (key === 'url' && typeof window !== 'undefined') {
- params[key] = new URL(source[key], window.location).href;
- continue;
- } else if (key === 'range') {
- rangeTransport = source[key];
- continue;
- } else if (key === 'worker') {
- worker = source[key];
- continue;
- } else if (key === 'data' && !(source[key] instanceof Uint8Array)) {
- var pdfBytes = source[key];
- if (typeof pdfBytes === 'string') {
- params[key] = (0, _util.stringToBytes)(pdfBytes);
- } else if ((typeof pdfBytes === 'undefined' ? 'undefined' : _typeof(pdfBytes)) === 'object' && pdfBytes !== null && !isNaN(pdfBytes.length)) {
- params[key] = new Uint8Array(pdfBytes);
- } else if ((0, _util.isArrayBuffer)(pdfBytes)) {
- params[key] = new Uint8Array(pdfBytes);
- } else {
- throw new Error('Invalid PDF binary data: either typed array, ' + 'string or array-like object is expected in the ' + 'data property.');
- }
- continue;
- } else if (key === 'CMapReaderFactory') {
- CMapReaderFactory = source[key];
- continue;
- }
- params[key] = source[key];
- }
- params.rangeChunkSize = params.rangeChunkSize || DEFAULT_RANGE_CHUNK_SIZE;
- params.ignoreErrors = params.stopAtErrors !== true;
- if (params.disableNativeImageDecoder !== undefined) {
- (0, _util.deprecated)('parameter disableNativeImageDecoder, ' + 'use nativeImageDecoderSupport instead');
- }
- params.nativeImageDecoderSupport = params.nativeImageDecoderSupport || (params.disableNativeImageDecoder === true ? _util.NativeImageDecoding.NONE : _util.NativeImageDecoding.DECODE);
- if (params.nativeImageDecoderSupport !== _util.NativeImageDecoding.DECODE && params.nativeImageDecoderSupport !== _util.NativeImageDecoding.NONE && params.nativeImageDecoderSupport !== _util.NativeImageDecoding.DISPLAY) {
- (0, _util.warn)('Invalid parameter nativeImageDecoderSupport: ' + 'need a state of enum {NativeImageDecoding}');
- params.nativeImageDecoderSupport = _util.NativeImageDecoding.DECODE;
- }
- if (!worker) {
- var workerPort = (0, _dom_utils.getDefaultSetting)('workerPort');
- worker = workerPort ? PDFWorker.fromPort(workerPort) : new PDFWorker();
- task._worker = worker;
- }
- var docId = task.docId;
- worker.promise.then(function () {
- if (task.destroyed) {
- throw new Error('Loading aborted');
- }
- return _fetchDocument(worker, params, rangeTransport, docId).then(function (workerId) {
- if (task.destroyed) {
- throw new Error('Loading aborted');
- }
- var networkStream = void 0;
- if (rangeTransport) {
- networkStream = new _transport_stream.PDFDataTransportStream(params, rangeTransport);
- } else if (!params.data) {
- networkStream = new PDFNetworkStream({
- source: params,
- disableRange: (0, _dom_utils.getDefaultSetting)('disableRange')
- });
- }
- var messageHandler = new _util.MessageHandler(docId, workerId, worker.port);
- messageHandler.postMessageTransfers = worker.postMessageTransfers;
- var transport = new WorkerTransport(messageHandler, task, networkStream, CMapReaderFactory);
- task._transport = transport;
- messageHandler.send('Ready', null);
- });
- }).catch(task._capability.reject);
- return task;
-}
-function _fetchDocument(worker, source, pdfDataRangeTransport, docId) {
- if (worker.destroyed) {
- return Promise.reject(new Error('Worker was destroyed'));
- }
- source.disableAutoFetch = (0, _dom_utils.getDefaultSetting)('disableAutoFetch');
- source.disableStream = (0, _dom_utils.getDefaultSetting)('disableStream');
- source.chunkedViewerLoading = !!pdfDataRangeTransport;
- if (pdfDataRangeTransport) {
- source.length = pdfDataRangeTransport.length;
- source.initialData = pdfDataRangeTransport.initialData;
- }
- return worker.messageHandler.sendWithPromise('GetDocRequest', {
- docId: docId,
- source: {
- data: source.data,
- url: source.url,
- password: source.password,
- disableAutoFetch: source.disableAutoFetch,
- rangeChunkSize: source.rangeChunkSize,
- length: source.length
- },
- maxImageSize: (0, _dom_utils.getDefaultSetting)('maxImageSize'),
- disableFontFace: (0, _dom_utils.getDefaultSetting)('disableFontFace'),
- disableCreateObjectURL: (0, _dom_utils.getDefaultSetting)('disableCreateObjectURL'),
- postMessageTransfers: (0, _dom_utils.getDefaultSetting)('postMessageTransfers') && !isPostMessageTransfersDisabled,
- docBaseUrl: source.docBaseUrl,
- nativeImageDecoderSupport: source.nativeImageDecoderSupport,
- ignoreErrors: source.ignoreErrors
- }).then(function (workerId) {
- if (worker.destroyed) {
- throw new Error('Worker was destroyed');
- }
- return workerId;
- });
-}
-var PDFDocumentLoadingTask = function PDFDocumentLoadingTaskClosure() {
- var nextDocumentId = 0;
- function PDFDocumentLoadingTask() {
- this._capability = (0, _util.createPromiseCapability)();
- this._transport = null;
- this._worker = null;
- this.docId = 'd' + nextDocumentId++;
- this.destroyed = false;
- this.onPassword = null;
- this.onProgress = null;
- this.onUnsupportedFeature = null;
- }
- PDFDocumentLoadingTask.prototype = {
- get promise() {
- return this._capability.promise;
- },
- destroy: function destroy() {
- var _this = this;
-
- this.destroyed = true;
- var transportDestroyed = !this._transport ? Promise.resolve() : this._transport.destroy();
- return transportDestroyed.then(function () {
- _this._transport = null;
- if (_this._worker) {
- _this._worker.destroy();
- _this._worker = null;
- }
- });
- },
-
- then: function PDFDocumentLoadingTask_then(onFulfilled, onRejected) {
- return this.promise.then.apply(this.promise, arguments);
- }
- };
- return PDFDocumentLoadingTask;
-}();
-var PDFDataRangeTransport = function pdfDataRangeTransportClosure() {
- function PDFDataRangeTransport(length, initialData) {
- this.length = length;
- this.initialData = initialData;
- this._rangeListeners = [];
- this._progressListeners = [];
- this._progressiveReadListeners = [];
- this._readyCapability = (0, _util.createPromiseCapability)();
- }
- PDFDataRangeTransport.prototype = {
- addRangeListener: function PDFDataRangeTransport_addRangeListener(listener) {
- this._rangeListeners.push(listener);
- },
- addProgressListener: function PDFDataRangeTransport_addProgressListener(listener) {
- this._progressListeners.push(listener);
- },
- addProgressiveReadListener: function PDFDataRangeTransport_addProgressiveReadListener(listener) {
- this._progressiveReadListeners.push(listener);
- },
- onDataRange: function PDFDataRangeTransport_onDataRange(begin, chunk) {
- var listeners = this._rangeListeners;
- for (var i = 0, n = listeners.length; i < n; ++i) {
- listeners[i](begin, chunk);
- }
- },
- onDataProgress: function PDFDataRangeTransport_onDataProgress(loaded) {
- var _this2 = this;
-
- this._readyCapability.promise.then(function () {
- var listeners = _this2._progressListeners;
- for (var i = 0, n = listeners.length; i < n; ++i) {
- listeners[i](loaded);
- }
- });
- },
- onDataProgressiveRead: function PDFDataRangeTransport_onDataProgress(chunk) {
- var _this3 = this;
-
- this._readyCapability.promise.then(function () {
- var listeners = _this3._progressiveReadListeners;
- for (var i = 0, n = listeners.length; i < n; ++i) {
- listeners[i](chunk);
- }
- });
- },
- transportReady: function PDFDataRangeTransport_transportReady() {
- this._readyCapability.resolve();
- },
- requestDataRange: function PDFDataRangeTransport_requestDataRange(begin, end) {
- throw new Error('Abstract method PDFDataRangeTransport.requestDataRange');
- },
- abort: function PDFDataRangeTransport_abort() {}
- };
- return PDFDataRangeTransport;
-}();
-var PDFDocumentProxy = function PDFDocumentProxyClosure() {
- function PDFDocumentProxy(pdfInfo, transport, loadingTask) {
- this.pdfInfo = pdfInfo;
- this.transport = transport;
- this.loadingTask = loadingTask;
- }
- PDFDocumentProxy.prototype = {
- get numPages() {
- return this.pdfInfo.numPages;
- },
- get fingerprint() {
- return this.pdfInfo.fingerprint;
- },
- getPage: function PDFDocumentProxy_getPage(pageNumber) {
- return this.transport.getPage(pageNumber);
- },
- getPageIndex: function PDFDocumentProxy_getPageIndex(ref) {
- return this.transport.getPageIndex(ref);
- },
- getDestinations: function PDFDocumentProxy_getDestinations() {
- return this.transport.getDestinations();
- },
- getDestination: function PDFDocumentProxy_getDestination(id) {
- return this.transport.getDestination(id);
- },
- getPageLabels: function PDFDocumentProxy_getPageLabels() {
- return this.transport.getPageLabels();
- },
- getPageMode: function getPageMode() {
- return this.transport.getPageMode();
- },
-
- getAttachments: function PDFDocumentProxy_getAttachments() {
- return this.transport.getAttachments();
- },
- getJavaScript: function PDFDocumentProxy_getJavaScript() {
- return this.transport.getJavaScript();
- },
- getOutline: function PDFDocumentProxy_getOutline() {
- return this.transport.getOutline();
- },
- getMetadata: function PDFDocumentProxy_getMetadata() {
- return this.transport.getMetadata();
- },
- getData: function PDFDocumentProxy_getData() {
- return this.transport.getData();
- },
- getDownloadInfo: function PDFDocumentProxy_getDownloadInfo() {
- return this.transport.downloadInfoCapability.promise;
- },
- getStats: function PDFDocumentProxy_getStats() {
- return this.transport.getStats();
- },
- cleanup: function PDFDocumentProxy_cleanup() {
- this.transport.startCleanup();
- },
- destroy: function PDFDocumentProxy_destroy() {
- return this.loadingTask.destroy();
- }
- };
- return PDFDocumentProxy;
-}();
-var PDFPageProxy = function PDFPageProxyClosure() {
- function PDFPageProxy(pageIndex, pageInfo, transport) {
- this.pageIndex = pageIndex;
- this.pageInfo = pageInfo;
- this.transport = transport;
- this.stats = new _util.StatTimer();
- this.stats.enabled = (0, _dom_utils.getDefaultSetting)('enableStats');
- this.commonObjs = transport.commonObjs;
- this.objs = new PDFObjects();
- this.cleanupAfterRender = false;
- this.pendingCleanup = false;
- this.intentStates = Object.create(null);
- this.destroyed = false;
- }
- PDFPageProxy.prototype = {
- get pageNumber() {
- return this.pageIndex + 1;
- },
- get rotate() {
- return this.pageInfo.rotate;
- },
- get ref() {
- return this.pageInfo.ref;
- },
- get userUnit() {
- return this.pageInfo.userUnit;
- },
- get view() {
- return this.pageInfo.view;
- },
- getViewport: function PDFPageProxy_getViewport(scale, rotate) {
- if (arguments.length < 2) {
- rotate = this.rotate;
- }
- return new _util.PageViewport(this.view, scale, rotate, 0, 0);
- },
- getAnnotations: function PDFPageProxy_getAnnotations(params) {
- var intent = params && params.intent || null;
- if (!this.annotationsPromise || this.annotationsIntent !== intent) {
- this.annotationsPromise = this.transport.getAnnotations(this.pageIndex, intent);
- this.annotationsIntent = intent;
- }
- return this.annotationsPromise;
- },
- render: function PDFPageProxy_render(params) {
- var _this4 = this;
-
- var stats = this.stats;
- stats.time('Overall');
- this.pendingCleanup = false;
- var renderingIntent = params.intent === 'print' ? 'print' : 'display';
- var canvasFactory = params.canvasFactory || new _dom_utils.DOMCanvasFactory();
- if (!this.intentStates[renderingIntent]) {
- this.intentStates[renderingIntent] = Object.create(null);
- }
- var intentState = this.intentStates[renderingIntent];
- if (!intentState.displayReadyCapability) {
- intentState.receivingOperatorList = true;
- intentState.displayReadyCapability = (0, _util.createPromiseCapability)();
- intentState.operatorList = {
- fnArray: [],
- argsArray: [],
- lastChunk: false
- };
- this.stats.time('Page Request');
- this.transport.messageHandler.send('RenderPageRequest', {
- pageIndex: this.pageNumber - 1,
- intent: renderingIntent,
- renderInteractiveForms: params.renderInteractiveForms === true
- });
- }
- var complete = function complete(error) {
- var i = intentState.renderTasks.indexOf(internalRenderTask);
- if (i >= 0) {
- intentState.renderTasks.splice(i, 1);
- }
- if (_this4.cleanupAfterRender) {
- _this4.pendingCleanup = true;
- }
- _this4._tryCleanup();
- if (error) {
- internalRenderTask.capability.reject(error);
- } else {
- internalRenderTask.capability.resolve();
- }
- stats.timeEnd('Rendering');
- stats.timeEnd('Overall');
- };
- var internalRenderTask = new InternalRenderTask(complete, params, this.objs, this.commonObjs, intentState.operatorList, this.pageNumber, canvasFactory);
- internalRenderTask.useRequestAnimationFrame = renderingIntent !== 'print';
- if (!intentState.renderTasks) {
- intentState.renderTasks = [];
- }
- intentState.renderTasks.push(internalRenderTask);
- var renderTask = internalRenderTask.task;
- if (params.continueCallback) {
- (0, _util.deprecated)('render is used with continueCallback parameter');
- renderTask.onContinue = params.continueCallback;
- }
- intentState.displayReadyCapability.promise.then(function (transparency) {
- if (_this4.pendingCleanup) {
- complete();
- return;
- }
- stats.time('Rendering');
- internalRenderTask.initializeGraphics(transparency);
- internalRenderTask.operatorListChanged();
- }).catch(complete);
- return renderTask;
- },
- getOperatorList: function PDFPageProxy_getOperatorList() {
- function operatorListChanged() {
- if (intentState.operatorList.lastChunk) {
- intentState.opListReadCapability.resolve(intentState.operatorList);
- var i = intentState.renderTasks.indexOf(opListTask);
- if (i >= 0) {
- intentState.renderTasks.splice(i, 1);
- }
- }
- }
- var renderingIntent = 'oplist';
- if (!this.intentStates[renderingIntent]) {
- this.intentStates[renderingIntent] = Object.create(null);
- }
- var intentState = this.intentStates[renderingIntent];
- var opListTask;
- if (!intentState.opListReadCapability) {
- opListTask = {};
- opListTask.operatorListChanged = operatorListChanged;
- intentState.receivingOperatorList = true;
- intentState.opListReadCapability = (0, _util.createPromiseCapability)();
- intentState.renderTasks = [];
- intentState.renderTasks.push(opListTask);
- intentState.operatorList = {
- fnArray: [],
- argsArray: [],
- lastChunk: false
- };
- this.transport.messageHandler.send('RenderPageRequest', {
- pageIndex: this.pageIndex,
- intent: renderingIntent
- });
- }
- return intentState.opListReadCapability.promise;
- },
- streamTextContent: function streamTextContent() {
- var params = arguments.length > 0 && arguments[0] !== undefined ? arguments[0] : {};
-
- var TEXT_CONTENT_CHUNK_SIZE = 100;
- return this.transport.messageHandler.sendWithStream('GetTextContent', {
- pageIndex: this.pageNumber - 1,
- normalizeWhitespace: params.normalizeWhitespace === true,
- combineTextItems: params.disableCombineTextItems !== true
- }, {
- highWaterMark: TEXT_CONTENT_CHUNK_SIZE,
- size: function size(textContent) {
- return textContent.items.length;
- }
- });
- },
-
- getTextContent: function PDFPageProxy_getTextContent(params) {
- params = params || {};
- var readableStream = this.streamTextContent(params);
- return new Promise(function (resolve, reject) {
- function pump() {
- reader.read().then(function (_ref) {
- var value = _ref.value,
- done = _ref.done;
-
- if (done) {
- resolve(textContent);
- return;
- }
- _util.Util.extendObj(textContent.styles, value.styles);
- _util.Util.appendToArray(textContent.items, value.items);
- pump();
- }, reject);
- }
- var reader = readableStream.getReader();
- var textContent = {
- items: [],
- styles: Object.create(null)
- };
- pump();
- });
- },
- _destroy: function PDFPageProxy_destroy() {
- this.destroyed = true;
- this.transport.pageCache[this.pageIndex] = null;
- var waitOn = [];
- Object.keys(this.intentStates).forEach(function (intent) {
- if (intent === 'oplist') {
- return;
- }
- var intentState = this.intentStates[intent];
- intentState.renderTasks.forEach(function (renderTask) {
- var renderCompleted = renderTask.capability.promise.catch(function () {});
- waitOn.push(renderCompleted);
- renderTask.cancel();
- });
- }, this);
- this.objs.clear();
- this.annotationsPromise = null;
- this.pendingCleanup = false;
- return Promise.all(waitOn);
- },
- destroy: function destroy() {
- (0, _util.deprecated)('page destroy method, use cleanup() instead');
- this.cleanup();
- },
-
- cleanup: function PDFPageProxy_cleanup() {
- this.pendingCleanup = true;
- this._tryCleanup();
- },
- _tryCleanup: function PDFPageProxy_tryCleanup() {
- if (!this.pendingCleanup || Object.keys(this.intentStates).some(function (intent) {
- var intentState = this.intentStates[intent];
- return intentState.renderTasks.length !== 0 || intentState.receivingOperatorList;
- }, this)) {
- return;
- }
- Object.keys(this.intentStates).forEach(function (intent) {
- delete this.intentStates[intent];
- }, this);
- this.objs.clear();
- this.annotationsPromise = null;
- this.pendingCleanup = false;
- },
- _startRenderPage: function PDFPageProxy_startRenderPage(transparency, intent) {
- var intentState = this.intentStates[intent];
- if (intentState.displayReadyCapability) {
- intentState.displayReadyCapability.resolve(transparency);
- }
- },
- _renderPageChunk: function PDFPageProxy_renderPageChunk(operatorListChunk, intent) {
- var intentState = this.intentStates[intent];
- var i, ii;
- for (i = 0, ii = operatorListChunk.length; i < ii; i++) {
- intentState.operatorList.fnArray.push(operatorListChunk.fnArray[i]);
- intentState.operatorList.argsArray.push(operatorListChunk.argsArray[i]);
- }
- intentState.operatorList.lastChunk = operatorListChunk.lastChunk;
- for (i = 0; i < intentState.renderTasks.length; i++) {
- intentState.renderTasks[i].operatorListChanged();
- }
- if (operatorListChunk.lastChunk) {
- intentState.receivingOperatorList = false;
- this._tryCleanup();
- }
- }
- };
- return PDFPageProxy;
-}();
-
-var LoopbackPort = function () {
- function LoopbackPort(defer) {
- _classCallCheck(this, LoopbackPort);
-
- this._listeners = [];
- this._defer = defer;
- this._deferred = Promise.resolve(undefined);
- }
-
- _createClass(LoopbackPort, [{
- key: 'postMessage',
- value: function postMessage(obj, transfers) {
- var _this5 = this;
-
- function cloneValue(value) {
- if ((typeof value === 'undefined' ? 'undefined' : _typeof(value)) !== 'object' || value === null) {
- return value;
- }
- if (cloned.has(value)) {
- return cloned.get(value);
- }
- var result;
- var buffer;
- if ((buffer = value.buffer) && (0, _util.isArrayBuffer)(buffer)) {
- var transferable = transfers && transfers.indexOf(buffer) >= 0;
- if (value === buffer) {
- result = value;
- } else if (transferable) {
- result = new value.constructor(buffer, value.byteOffset, value.byteLength);
- } else {
- result = new value.constructor(value);
- }
- cloned.set(value, result);
- return result;
- }
- result = (0, _util.isArray)(value) ? [] : {};
- cloned.set(value, result);
- for (var i in value) {
- var desc,
- p = value;
- while (!(desc = Object.getOwnPropertyDescriptor(p, i))) {
- p = Object.getPrototypeOf(p);
- }
- if (typeof desc.value === 'undefined' || typeof desc.value === 'function') {
- continue;
- }
- result[i] = cloneValue(desc.value);
- }
- return result;
- }
- if (!this._defer) {
- this._listeners.forEach(function (listener) {
- listener.call(this, { data: obj });
- }, this);
- return;
- }
- var cloned = new WeakMap();
- var e = { data: cloneValue(obj) };
- this._deferred.then(function () {
- _this5._listeners.forEach(function (listener) {
- listener.call(this, e);
- }, _this5);
- });
- }
- }, {
- key: 'addEventListener',
- value: function addEventListener(name, listener) {
- this._listeners.push(listener);
- }
- }, {
- key: 'removeEventListener',
- value: function removeEventListener(name, listener) {
- var i = this._listeners.indexOf(listener);
- this._listeners.splice(i, 1);
- }
- }, {
- key: 'terminate',
- value: function terminate() {
- this._listeners = [];
- }
- }]);
-
- return LoopbackPort;
-}();
-
-var PDFWorker = function PDFWorkerClosure() {
- var nextFakeWorkerId = 0;
- function getWorkerSrc() {
- if (typeof workerSrc !== 'undefined') {
- return workerSrc;
- }
- if ((0, _dom_utils.getDefaultSetting)('workerSrc')) {
- return (0, _dom_utils.getDefaultSetting)('workerSrc');
- }
- if (pdfjsFilePath) {
- return pdfjsFilePath.replace(/(\.(?:min\.)?js)(\?.*)?$/i, '.worker$1$2');
- }
- throw new Error('No PDFJS.workerSrc specified');
- }
- var fakeWorkerFilesLoadedCapability = void 0;
- function setupFakeWorkerGlobal() {
- var WorkerMessageHandler;
- if (fakeWorkerFilesLoadedCapability) {
- return fakeWorkerFilesLoadedCapability.promise;
- }
- fakeWorkerFilesLoadedCapability = (0, _util.createPromiseCapability)();
- var loader = fakeWorkerFilesLoader || function (callback) {
- _util.Util.loadScript(getWorkerSrc(), function () {
- callback(window.pdfjsDistBuildPdfWorker.WorkerMessageHandler);
- });
- };
- loader(fakeWorkerFilesLoadedCapability.resolve);
- return fakeWorkerFilesLoadedCapability.promise;
- }
- function createCDNWrapper(url) {
- var wrapper = 'importScripts(\'' + url + '\');';
- return URL.createObjectURL(new Blob([wrapper]));
- }
- var pdfWorkerPorts = new WeakMap();
- function PDFWorker(name, port) {
- if (port && pdfWorkerPorts.has(port)) {
- throw new Error('Cannot use more than one PDFWorker per port');
- }
- this.name = name;
- this.destroyed = false;
- this.postMessageTransfers = true;
- this._readyCapability = (0, _util.createPromiseCapability)();
- this._port = null;
- this._webWorker = null;
- this._messageHandler = null;
- if (port) {
- pdfWorkerPorts.set(port, this);
- this._initializeFromPort(port);
- return;
- }
- this._initialize();
- }
- PDFWorker.prototype = {
- get promise() {
- return this._readyCapability.promise;
- },
- get port() {
- return this._port;
- },
- get messageHandler() {
- return this._messageHandler;
- },
- _initializeFromPort: function PDFWorker_initializeFromPort(port) {
- this._port = port;
- this._messageHandler = new _util.MessageHandler('main', 'worker', port);
- this._messageHandler.on('ready', function () {});
- this._readyCapability.resolve();
- },
- _initialize: function PDFWorker_initialize() {
- var _this6 = this;
-
- if (!isWorkerDisabled && !(0, _dom_utils.getDefaultSetting)('disableWorker') && typeof Worker !== 'undefined') {
- var workerSrc = getWorkerSrc();
- try {
- if (!(0, _util.isSameOrigin)(window.location.href, workerSrc)) {
- workerSrc = createCDNWrapper(new URL(workerSrc, window.location).href);
- }
- var worker = new Worker(workerSrc);
- var messageHandler = new _util.MessageHandler('main', 'worker', worker);
- var terminateEarly = function terminateEarly() {
- worker.removeEventListener('error', onWorkerError);
- messageHandler.destroy();
- worker.terminate();
- if (_this6.destroyed) {
- _this6._readyCapability.reject(new Error('Worker was destroyed'));
- } else {
- _this6._setupFakeWorker();
- }
- };
- var onWorkerError = function onWorkerError() {
- if (!_this6._webWorker) {
- terminateEarly();
- }
- };
- worker.addEventListener('error', onWorkerError);
- messageHandler.on('test', function (data) {
- worker.removeEventListener('error', onWorkerError);
- if (_this6.destroyed) {
- terminateEarly();
- return;
- }
- var supportTypedArray = data && data.supportTypedArray;
- if (supportTypedArray) {
- _this6._messageHandler = messageHandler;
- _this6._port = worker;
- _this6._webWorker = worker;
- if (!data.supportTransfers) {
- _this6.postMessageTransfers = false;
- isPostMessageTransfersDisabled = true;
- }
- _this6._readyCapability.resolve();
- messageHandler.send('configure', { verbosity: (0, _util.getVerbosityLevel)() });
- } else {
- _this6._setupFakeWorker();
- messageHandler.destroy();
- worker.terminate();
- }
- });
- messageHandler.on('console_log', function (data) {
- console.log.apply(console, data);
- });
- messageHandler.on('console_error', function (data) {
- console.error.apply(console, data);
- });
- messageHandler.on('ready', function (data) {
- worker.removeEventListener('error', onWorkerError);
- if (_this6.destroyed) {
- terminateEarly();
- return;
- }
- try {
- sendTest();
- } catch (e) {
- _this6._setupFakeWorker();
- }
- });
- var sendTest = function sendTest() {
- var postMessageTransfers = (0, _dom_utils.getDefaultSetting)('postMessageTransfers') && !isPostMessageTransfersDisabled;
- var testObj = new Uint8Array([postMessageTransfers ? 255 : 0]);
- try {
- messageHandler.send('test', testObj, [testObj.buffer]);
- } catch (ex) {
- (0, _util.info)('Cannot use postMessage transfers');
- testObj[0] = 0;
- messageHandler.send('test', testObj);
- }
- };
- sendTest();
- return;
- } catch (e) {
- (0, _util.info)('The worker has been disabled.');
- }
- }
- this._setupFakeWorker();
- },
- _setupFakeWorker: function PDFWorker_setupFakeWorker() {
- var _this7 = this;
-
- if (!isWorkerDisabled && !(0, _dom_utils.getDefaultSetting)('disableWorker')) {
- (0, _util.warn)('Setting up fake worker.');
- isWorkerDisabled = true;
- }
- setupFakeWorkerGlobal().then(function (WorkerMessageHandler) {
- if (_this7.destroyed) {
- _this7._readyCapability.reject(new Error('Worker was destroyed'));
- return;
- }
- var isTypedArraysPresent = Uint8Array !== Float32Array;
- var port = new LoopbackPort(isTypedArraysPresent);
- _this7._port = port;
- var id = 'fake' + nextFakeWorkerId++;
- var workerHandler = new _util.MessageHandler(id + '_worker', id, port);
- WorkerMessageHandler.setup(workerHandler, port);
- var messageHandler = new _util.MessageHandler(id, id + '_worker', port);
- _this7._messageHandler = messageHandler;
- _this7._readyCapability.resolve();
- });
- },
- destroy: function PDFWorker_destroy() {
- this.destroyed = true;
- if (this._webWorker) {
- this._webWorker.terminate();
- this._webWorker = null;
- }
- pdfWorkerPorts.delete(this._port);
- this._port = null;
- if (this._messageHandler) {
- this._messageHandler.destroy();
- this._messageHandler = null;
- }
- }
- };
- PDFWorker.fromPort = function (port) {
- if (pdfWorkerPorts.has(port)) {
- return pdfWorkerPorts.get(port);
- }
- return new PDFWorker(null, port);
- };
- return PDFWorker;
-}();
-var WorkerTransport = function WorkerTransportClosure() {
- function WorkerTransport(messageHandler, loadingTask, networkStream, CMapReaderFactory) {
- this.messageHandler = messageHandler;
- this.loadingTask = loadingTask;
- this.commonObjs = new PDFObjects();
- this.fontLoader = new _font_loader.FontLoader(loadingTask.docId);
- this.CMapReaderFactory = new CMapReaderFactory({
- baseUrl: (0, _dom_utils.getDefaultSetting)('cMapUrl'),
- isCompressed: (0, _dom_utils.getDefaultSetting)('cMapPacked')
- });
- this.destroyed = false;
- this.destroyCapability = null;
- this._passwordCapability = null;
- this._networkStream = networkStream;
- this._fullReader = null;
- this._lastProgress = null;
- this.pageCache = [];
- this.pagePromises = [];
- this.downloadInfoCapability = (0, _util.createPromiseCapability)();
- this.setupMessageHandler();
- }
- WorkerTransport.prototype = {
- destroy: function WorkerTransport_destroy() {
- var _this8 = this;
-
- if (this.destroyCapability) {
- return this.destroyCapability.promise;
- }
- this.destroyed = true;
- this.destroyCapability = (0, _util.createPromiseCapability)();
- if (this._passwordCapability) {
- this._passwordCapability.reject(new Error('Worker was destroyed during onPassword callback'));
- }
- var waitOn = [];
- this.pageCache.forEach(function (page) {
- if (page) {
- waitOn.push(page._destroy());
- }
- });
- this.pageCache = [];
- this.pagePromises = [];
- var terminated = this.messageHandler.sendWithPromise('Terminate', null);
- waitOn.push(terminated);
- Promise.all(waitOn).then(function () {
- _this8.fontLoader.clear();
- if (_this8._networkStream) {
- _this8._networkStream.cancelAllRequests();
- }
- if (_this8.messageHandler) {
- _this8.messageHandler.destroy();
- _this8.messageHandler = null;
- }
- _this8.destroyCapability.resolve();
- }, this.destroyCapability.reject);
- return this.destroyCapability.promise;
- },
- setupMessageHandler: function WorkerTransport_setupMessageHandler() {
- var messageHandler = this.messageHandler;
- var loadingTask = this.loadingTask;
- messageHandler.on('GetReader', function (data, sink) {
- var _this9 = this;
-
- (0, _util.assert)(this._networkStream);
- this._fullReader = this._networkStream.getFullReader();
- this._fullReader.onProgress = function (evt) {
- _this9._lastProgress = {
- loaded: evt.loaded,
- total: evt.total
- };
- };
- sink.onPull = function () {
- _this9._fullReader.read().then(function (_ref2) {
- var value = _ref2.value,
- done = _ref2.done;
-
- if (done) {
- sink.close();
- return;
- }
- (0, _util.assert)((0, _util.isArrayBuffer)(value));
- sink.enqueue(new Uint8Array(value), 1, [value]);
- }).catch(function (reason) {
- sink.error(reason);
- });
- };
- sink.onCancel = function (reason) {
- _this9._fullReader.cancel(reason);
- };
- }, this);
- messageHandler.on('ReaderHeadersReady', function (data) {
- var _this10 = this;
-
- var headersCapability = (0, _util.createPromiseCapability)();
- var fullReader = this._fullReader;
- fullReader.headersReady.then(function () {
- if (!fullReader.isStreamingSupported || !fullReader.isRangeSupported) {
- if (_this10._lastProgress) {
- var _loadingTask = _this10.loadingTask;
- if (_loadingTask.onProgress) {
- _loadingTask.onProgress(_this10._lastProgress);
- }
- }
- fullReader.onProgress = function (evt) {
- var loadingTask = _this10.loadingTask;
- if (loadingTask.onProgress) {
- loadingTask.onProgress({
- loaded: evt.loaded,
- total: evt.total
- });
- }
- };
- }
- headersCapability.resolve({
- isStreamingSupported: fullReader.isStreamingSupported,
- isRangeSupported: fullReader.isRangeSupported,
- contentLength: fullReader.contentLength
- });
- }, headersCapability.reject);
- return headersCapability.promise;
- }, this);
- messageHandler.on('GetRangeReader', function (data, sink) {
- (0, _util.assert)(this._networkStream);
- var _rangeReader = this._networkStream.getRangeReader(data.begin, data.end);
- sink.onPull = function () {
- _rangeReader.read().then(function (_ref3) {
- var value = _ref3.value,
- done = _ref3.done;
-
- if (done) {
- sink.close();
- return;
- }
- (0, _util.assert)((0, _util.isArrayBuffer)(value));
- sink.enqueue(new Uint8Array(value), 1, [value]);
- }).catch(function (reason) {
- sink.error(reason);
- });
- };
- sink.onCancel = function (reason) {
- _rangeReader.cancel(reason);
- };
- }, this);
- messageHandler.on('GetDoc', function transportDoc(data) {
- var pdfInfo = data.pdfInfo;
- this.numPages = data.pdfInfo.numPages;
- var loadingTask = this.loadingTask;
- var pdfDocument = new PDFDocumentProxy(pdfInfo, this, loadingTask);
- this.pdfDocument = pdfDocument;
- loadingTask._capability.resolve(pdfDocument);
- }, this);
- messageHandler.on('PasswordRequest', function transportPasswordRequest(exception) {
- var _this11 = this;
-
- this._passwordCapability = (0, _util.createPromiseCapability)();
- if (loadingTask.onPassword) {
- var updatePassword = function updatePassword(password) {
- _this11._passwordCapability.resolve({ password: password });
- };
- loadingTask.onPassword(updatePassword, exception.code);
- } else {
- this._passwordCapability.reject(new _util.PasswordException(exception.message, exception.code));
- }
- return this._passwordCapability.promise;
- }, this);
- messageHandler.on('PasswordException', function transportPasswordException(exception) {
- loadingTask._capability.reject(new _util.PasswordException(exception.message, exception.code));
- }, this);
- messageHandler.on('InvalidPDF', function transportInvalidPDF(exception) {
- this.loadingTask._capability.reject(new _util.InvalidPDFException(exception.message));
- }, this);
- messageHandler.on('MissingPDF', function transportMissingPDF(exception) {
- this.loadingTask._capability.reject(new _util.MissingPDFException(exception.message));
- }, this);
- messageHandler.on('UnexpectedResponse', function transportUnexpectedResponse(exception) {
- this.loadingTask._capability.reject(new _util.UnexpectedResponseException(exception.message, exception.status));
- }, this);
- messageHandler.on('UnknownError', function transportUnknownError(exception) {
- this.loadingTask._capability.reject(new _util.UnknownErrorException(exception.message, exception.details));
- }, this);
- messageHandler.on('DataLoaded', function transportPage(data) {
- this.downloadInfoCapability.resolve(data);
- }, this);
- messageHandler.on('PDFManagerReady', function transportPage(data) {}, this);
- messageHandler.on('StartRenderPage', function transportRender(data) {
- if (this.destroyed) {
- return;
- }
- var page = this.pageCache[data.pageIndex];
- page.stats.timeEnd('Page Request');
- page._startRenderPage(data.transparency, data.intent);
- }, this);
- messageHandler.on('RenderPageChunk', function transportRender(data) {
- if (this.destroyed) {
- return;
- }
- var page = this.pageCache[data.pageIndex];
- page._renderPageChunk(data.operatorList, data.intent);
- }, this);
- messageHandler.on('commonobj', function transportObj(data) {
- var _this12 = this;
-
- if (this.destroyed) {
- return;
- }
- var id = data[0];
- var type = data[1];
- if (this.commonObjs.hasData(id)) {
- return;
- }
- switch (type) {
- case 'Font':
- var exportedData = data[2];
- if ('error' in exportedData) {
- var exportedError = exportedData.error;
- (0, _util.warn)('Error during font loading: ' + exportedError);
- this.commonObjs.resolve(id, exportedError);
- break;
- }
- var fontRegistry = null;
- if ((0, _dom_utils.getDefaultSetting)('pdfBug') && _util.globalScope.FontInspector && _util.globalScope['FontInspector'].enabled) {
- fontRegistry = {
- registerFont: function registerFont(font, url) {
- _util.globalScope['FontInspector'].fontAdded(font, url);
- }
- };
- }
- var font = new _font_loader.FontFaceObject(exportedData, {
- isEvalSuported: (0, _dom_utils.getDefaultSetting)('isEvalSupported'),
- disableFontFace: (0, _dom_utils.getDefaultSetting)('disableFontFace'),
- fontRegistry: fontRegistry
- });
- var fontReady = function fontReady(fontObjs) {
- _this12.commonObjs.resolve(id, font);
- };
- this.fontLoader.bind([font], fontReady);
- break;
- case 'FontPath':
- this.commonObjs.resolve(id, data[2]);
- break;
- default:
- throw new Error('Got unknown common object type ' + type);
- }
- }, this);
- messageHandler.on('obj', function transportObj(data) {
- if (this.destroyed) {
- return;
- }
- var id = data[0];
- var pageIndex = data[1];
- var type = data[2];
- var pageProxy = this.pageCache[pageIndex];
- var imageData;
- if (pageProxy.objs.hasData(id)) {
- return;
- }
- switch (type) {
- case 'JpegStream':
- imageData = data[3];
- (0, _util.loadJpegStream)(id, imageData, pageProxy.objs);
- break;
- case 'Image':
- imageData = data[3];
- pageProxy.objs.resolve(id, imageData);
- var MAX_IMAGE_SIZE_TO_STORE = 8000000;
- if (imageData && 'data' in imageData && imageData.data.length > MAX_IMAGE_SIZE_TO_STORE) {
- pageProxy.cleanupAfterRender = true;
- }
- break;
- default:
- throw new Error('Got unknown object type ' + type);
- }
- }, this);
- messageHandler.on('DocProgress', function transportDocProgress(data) {
- if (this.destroyed) {
- return;
- }
- var loadingTask = this.loadingTask;
- if (loadingTask.onProgress) {
- loadingTask.onProgress({
- loaded: data.loaded,
- total: data.total
- });
- }
- }, this);
- messageHandler.on('PageError', function transportError(data) {
- if (this.destroyed) {
- return;
- }
- var page = this.pageCache[data.pageNum - 1];
- var intentState = page.intentStates[data.intent];
- if (intentState.displayReadyCapability) {
- intentState.displayReadyCapability.reject(data.error);
- } else {
- throw new Error(data.error);
- }
- if (intentState.operatorList) {
- intentState.operatorList.lastChunk = true;
- for (var i = 0; i < intentState.renderTasks.length; i++) {
- intentState.renderTasks[i].operatorListChanged();
- }
- }
- }, this);
- messageHandler.on('UnsupportedFeature', function transportUnsupportedFeature(data) {
- if (this.destroyed) {
- return;
- }
- var featureId = data.featureId;
- var loadingTask = this.loadingTask;
- if (loadingTask.onUnsupportedFeature) {
- loadingTask.onUnsupportedFeature(featureId);
- }
- _UnsupportedManager.notify(featureId);
- }, this);
- messageHandler.on('JpegDecode', function (data) {
- if (this.destroyed) {
- return Promise.reject(new Error('Worker was destroyed'));
- }
- if (typeof document === 'undefined') {
- return Promise.reject(new Error('"document" is not defined.'));
- }
- var imageUrl = data[0];
- var components = data[1];
- if (components !== 3 && components !== 1) {
- return Promise.reject(new Error('Only 3 components or 1 component can be returned'));
- }
- return new Promise(function (resolve, reject) {
- var img = new Image();
- img.onload = function () {
- var width = img.width;
- var height = img.height;
- var size = width * height;
- var rgbaLength = size * 4;
- var buf = new Uint8Array(size * components);
- var tmpCanvas = document.createElement('canvas');
- tmpCanvas.width = width;
- tmpCanvas.height = height;
- var tmpCtx = tmpCanvas.getContext('2d');
- tmpCtx.drawImage(img, 0, 0);
- var data = tmpCtx.getImageData(0, 0, width, height).data;
- var i, j;
- if (components === 3) {
- for (i = 0, j = 0; i < rgbaLength; i += 4, j += 3) {
- buf[j] = data[i];
- buf[j + 1] = data[i + 1];
- buf[j + 2] = data[i + 2];
- }
- } else if (components === 1) {
- for (i = 0, j = 0; i < rgbaLength; i += 4, j++) {
- buf[j] = data[i];
- }
- }
- resolve({
- data: buf,
- width: width,
- height: height
- });
- };
- img.onerror = function () {
- reject(new Error('JpegDecode failed to load image'));
- };
- img.src = imageUrl;
- });
- }, this);
- messageHandler.on('FetchBuiltInCMap', function (data) {
- if (this.destroyed) {
- return Promise.reject(new Error('Worker was destroyed'));
- }
- return this.CMapReaderFactory.fetch({ name: data.name });
- }, this);
- },
- getData: function WorkerTransport_getData() {
- return this.messageHandler.sendWithPromise('GetData', null);
- },
- getPage: function WorkerTransport_getPage(pageNumber, capability) {
- var _this13 = this;
-
- if (!(0, _util.isInt)(pageNumber) || pageNumber <= 0 || pageNumber > this.numPages) {
- return Promise.reject(new Error('Invalid page request'));
- }
- var pageIndex = pageNumber - 1;
- if (pageIndex in this.pagePromises) {
- return this.pagePromises[pageIndex];
- }
- var promise = this.messageHandler.sendWithPromise('GetPage', { pageIndex: pageIndex }).then(function (pageInfo) {
- if (_this13.destroyed) {
- throw new Error('Transport destroyed');
- }
- var page = new PDFPageProxy(pageIndex, pageInfo, _this13);
- _this13.pageCache[pageIndex] = page;
- return page;
- });
- this.pagePromises[pageIndex] = promise;
- return promise;
- },
- getPageIndex: function WorkerTransport_getPageIndexByRef(ref) {
- return this.messageHandler.sendWithPromise('GetPageIndex', { ref: ref }).catch(function (reason) {
- return Promise.reject(new Error(reason));
- });
- },
- getAnnotations: function WorkerTransport_getAnnotations(pageIndex, intent) {
- return this.messageHandler.sendWithPromise('GetAnnotations', {
- pageIndex: pageIndex,
- intent: intent
- });
- },
- getDestinations: function WorkerTransport_getDestinations() {
- return this.messageHandler.sendWithPromise('GetDestinations', null);
- },
- getDestination: function WorkerTransport_getDestination(id) {
- return this.messageHandler.sendWithPromise('GetDestination', { id: id });
- },
- getPageLabels: function WorkerTransport_getPageLabels() {
- return this.messageHandler.sendWithPromise('GetPageLabels', null);
- },
- getPageMode: function getPageMode() {
- return this.messageHandler.sendWithPromise('GetPageMode', null);
- },
-
- getAttachments: function WorkerTransport_getAttachments() {
- return this.messageHandler.sendWithPromise('GetAttachments', null);
- },
- getJavaScript: function WorkerTransport_getJavaScript() {
- return this.messageHandler.sendWithPromise('GetJavaScript', null);
- },
- getOutline: function WorkerTransport_getOutline() {
- return this.messageHandler.sendWithPromise('GetOutline', null);
- },
- getMetadata: function WorkerTransport_getMetadata() {
- return this.messageHandler.sendWithPromise('GetMetadata', null).then(function transportMetadata(results) {
- return {
- info: results[0],
- metadata: results[1] ? new _metadata.Metadata(results[1]) : null
- };
- });
- },
- getStats: function WorkerTransport_getStats() {
- return this.messageHandler.sendWithPromise('GetStats', null);
- },
- startCleanup: function WorkerTransport_startCleanup() {
- var _this14 = this;
-
- this.messageHandler.sendWithPromise('Cleanup', null).then(function () {
- for (var i = 0, ii = _this14.pageCache.length; i < ii; i++) {
- var page = _this14.pageCache[i];
- if (page) {
- page.cleanup();
- }
- }
- _this14.commonObjs.clear();
- _this14.fontLoader.clear();
- });
- }
- };
- return WorkerTransport;
-}();
-var PDFObjects = function PDFObjectsClosure() {
- function PDFObjects() {
- this.objs = Object.create(null);
- }
- PDFObjects.prototype = {
- ensureObj: function PDFObjects_ensureObj(objId) {
- if (this.objs[objId]) {
- return this.objs[objId];
- }
- var obj = {
- capability: (0, _util.createPromiseCapability)(),
- data: null,
- resolved: false
- };
- this.objs[objId] = obj;
- return obj;
- },
- get: function PDFObjects_get(objId, callback) {
- if (callback) {
- this.ensureObj(objId).capability.promise.then(callback);
- return null;
- }
- var obj = this.objs[objId];
- if (!obj || !obj.resolved) {
- throw new Error('Requesting object that isn\'t resolved yet ' + objId);
- }
- return obj.data;
- },
- resolve: function PDFObjects_resolve(objId, data) {
- var obj = this.ensureObj(objId);
- obj.resolved = true;
- obj.data = data;
- obj.capability.resolve(data);
- },
- isResolved: function PDFObjects_isResolved(objId) {
- var objs = this.objs;
- if (!objs[objId]) {
- return false;
- }
- return objs[objId].resolved;
- },
- hasData: function PDFObjects_hasData(objId) {
- return this.isResolved(objId);
- },
- getData: function PDFObjects_getData(objId) {
- var objs = this.objs;
- if (!objs[objId] || !objs[objId].resolved) {
- return null;
- }
- return objs[objId].data;
- },
- clear: function PDFObjects_clear() {
- this.objs = Object.create(null);
- }
- };
- return PDFObjects;
-}();
-var RenderTask = function RenderTaskClosure() {
- function RenderTask(internalRenderTask) {
- this._internalRenderTask = internalRenderTask;
- this.onContinue = null;
- }
- RenderTask.prototype = {
- get promise() {
- return this._internalRenderTask.capability.promise;
- },
- cancel: function RenderTask_cancel() {
- this._internalRenderTask.cancel();
- },
- then: function RenderTask_then(onFulfilled, onRejected) {
- return this.promise.then.apply(this.promise, arguments);
- }
- };
- return RenderTask;
-}();
-var InternalRenderTask = function InternalRenderTaskClosure() {
- var canvasInRendering = new WeakMap();
- function InternalRenderTask(callback, params, objs, commonObjs, operatorList, pageNumber, canvasFactory) {
- this.callback = callback;
- this.params = params;
- this.objs = objs;
- this.commonObjs = commonObjs;
- this.operatorListIdx = null;
- this.operatorList = operatorList;
- this.pageNumber = pageNumber;
- this.canvasFactory = canvasFactory;
- this.running = false;
- this.graphicsReadyCallback = null;
- this.graphicsReady = false;
- this.useRequestAnimationFrame = false;
- this.cancelled = false;
- this.capability = (0, _util.createPromiseCapability)();
- this.task = new RenderTask(this);
- this._continueBound = this._continue.bind(this);
- this._scheduleNextBound = this._scheduleNext.bind(this);
- this._nextBound = this._next.bind(this);
- this._canvas = params.canvasContext.canvas;
- }
- InternalRenderTask.prototype = {
- initializeGraphics: function InternalRenderTask_initializeGraphics(transparency) {
- if (this._canvas) {
- if (canvasInRendering.has(this._canvas)) {
- throw new Error('Cannot use the same canvas during multiple render() operations. ' + 'Use different canvas or ensure previous operations were ' + 'cancelled or completed.');
- }
- canvasInRendering.set(this._canvas, this);
- }
- if (this.cancelled) {
- return;
- }
- if ((0, _dom_utils.getDefaultSetting)('pdfBug') && _util.globalScope.StepperManager && _util.globalScope.StepperManager.enabled) {
- this.stepper = _util.globalScope.StepperManager.create(this.pageNumber - 1);
- this.stepper.init(this.operatorList);
- this.stepper.nextBreakPoint = this.stepper.getNextBreakPoint();
- }
- var params = this.params;
- this.gfx = new _canvas.CanvasGraphics(params.canvasContext, this.commonObjs, this.objs, this.canvasFactory, params.imageLayer);
- this.gfx.beginDrawing({
- transform: params.transform,
- viewport: params.viewport,
- transparency: transparency,
- background: params.background
- });
- this.operatorListIdx = 0;
- this.graphicsReady = true;
- if (this.graphicsReadyCallback) {
- this.graphicsReadyCallback();
- }
- },
- cancel: function InternalRenderTask_cancel() {
- this.running = false;
- this.cancelled = true;
- if (this._canvas) {
- canvasInRendering.delete(this._canvas);
- }
- if ((0, _dom_utils.getDefaultSetting)('pdfjsNext')) {
- this.callback(new _dom_utils.RenderingCancelledException('Rendering cancelled, page ' + this.pageNumber, 'canvas'));
- } else {
- this.callback('cancelled');
- }
- },
- operatorListChanged: function InternalRenderTask_operatorListChanged() {
- if (!this.graphicsReady) {
- if (!this.graphicsReadyCallback) {
- this.graphicsReadyCallback = this._continueBound;
- }
- return;
- }
- if (this.stepper) {
- this.stepper.updateOperatorList(this.operatorList);
- }
- if (this.running) {
- return;
- }
- this._continue();
- },
- _continue: function InternalRenderTask__continue() {
- this.running = true;
- if (this.cancelled) {
- return;
- }
- if (this.task.onContinue) {
- this.task.onContinue(this._scheduleNextBound);
- } else {
- this._scheduleNext();
- }
- },
- _scheduleNext: function InternalRenderTask__scheduleNext() {
- if (this.useRequestAnimationFrame && typeof window !== 'undefined') {
- window.requestAnimationFrame(this._nextBound);
- } else {
- Promise.resolve(undefined).then(this._nextBound);
- }
- },
- _next: function InternalRenderTask__next() {
- if (this.cancelled) {
- return;
- }
- this.operatorListIdx = this.gfx.executeOperatorList(this.operatorList, this.operatorListIdx, this._continueBound, this.stepper);
- if (this.operatorListIdx === this.operatorList.argsArray.length) {
- this.running = false;
- if (this.operatorList.lastChunk) {
- this.gfx.endDrawing();
- if (this._canvas) {
- canvasInRendering.delete(this._canvas);
- }
- this.callback();
- }
- }
- }
- };
- return InternalRenderTask;
-}();
-var _UnsupportedManager = function UnsupportedManagerClosure() {
- var listeners = [];
- return {
- listen: function listen(cb) {
- (0, _util.deprecated)('Global UnsupportedManager.listen is used: ' + ' use PDFDocumentLoadingTask.onUnsupportedFeature instead');
- listeners.push(cb);
- },
- notify: function notify(featureId) {
- for (var i = 0, ii = listeners.length; i < ii; i++) {
- listeners[i](featureId);
- }
- }
- };
-}();
-var version, build;
-{
- exports.version = version = '1.9.426';
- exports.build = build = '2558a58d';
-}
-exports.getDocument = getDocument;
-exports.LoopbackPort = LoopbackPort;
-exports.PDFDataRangeTransport = PDFDataRangeTransport;
-exports.PDFWorker = PDFWorker;
-exports.PDFDocumentProxy = PDFDocumentProxy;
-exports.PDFPageProxy = PDFPageProxy;
-exports.setPDFNetworkStreamClass = setPDFNetworkStreamClass;
-exports._UnsupportedManager = _UnsupportedManager;
-exports.version = version;
-exports.build = build;
-
-/***/ }),
-/* 3 */
-/***/ (function(module, exports, __w_pdfjs_require__) {
-
-"use strict";
-
-
-Object.defineProperty(exports, "__esModule", {
- value: true
-});
-exports.AnnotationLayer = undefined;
-
-var _dom_utils = __w_pdfjs_require__(1);
-
-var _util = __w_pdfjs_require__(0);
-
-function AnnotationElementFactory() {}
-AnnotationElementFactory.prototype = {
- create: function AnnotationElementFactory_create(parameters) {
- var subtype = parameters.data.annotationType;
- switch (subtype) {
- case _util.AnnotationType.LINK:
- return new LinkAnnotationElement(parameters);
- case _util.AnnotationType.TEXT:
- return new TextAnnotationElement(parameters);
- case _util.AnnotationType.WIDGET:
- var fieldType = parameters.data.fieldType;
- switch (fieldType) {
- case 'Tx':
- return new TextWidgetAnnotationElement(parameters);
- case 'Btn':
- if (parameters.data.radioButton) {
- return new RadioButtonWidgetAnnotationElement(parameters);
- } else if (parameters.data.checkBox) {
- return new CheckboxWidgetAnnotationElement(parameters);
- }
- (0, _util.warn)('Unimplemented button widget annotation: pushbutton');
- break;
- case 'Ch':
- return new ChoiceWidgetAnnotationElement(parameters);
- }
- return new WidgetAnnotationElement(parameters);
- case _util.AnnotationType.POPUP:
- return new PopupAnnotationElement(parameters);
- case _util.AnnotationType.LINE:
- return new LineAnnotationElement(parameters);
- case _util.AnnotationType.HIGHLIGHT:
- return new HighlightAnnotationElement(parameters);
- case _util.AnnotationType.UNDERLINE:
- return new UnderlineAnnotationElement(parameters);
- case _util.AnnotationType.SQUIGGLY:
- return new SquigglyAnnotationElement(parameters);
- case _util.AnnotationType.STRIKEOUT:
- return new StrikeOutAnnotationElement(parameters);
- case _util.AnnotationType.FILEATTACHMENT:
- return new FileAttachmentAnnotationElement(parameters);
- default:
- return new AnnotationElement(parameters);
- }
- }
-};
-var AnnotationElement = function AnnotationElementClosure() {
- function AnnotationElement(parameters, isRenderable, ignoreBorder) {
- this.isRenderable = isRenderable || false;
- this.data = parameters.data;
- this.layer = parameters.layer;
- this.page = parameters.page;
- this.viewport = parameters.viewport;
- this.linkService = parameters.linkService;
- this.downloadManager = parameters.downloadManager;
- this.imageResourcesPath = parameters.imageResourcesPath;
- this.renderInteractiveForms = parameters.renderInteractiveForms;
- if (isRenderable) {
- this.container = this._createContainer(ignoreBorder);
- }
- }
- AnnotationElement.prototype = {
- _createContainer: function AnnotationElement_createContainer(ignoreBorder) {
- var data = this.data,
- page = this.page,
- viewport = this.viewport;
- var container = document.createElement('section');
- var width = data.rect[2] - data.rect[0];
- var height = data.rect[3] - data.rect[1];
- container.setAttribute('data-annotation-id', data.id);
- var rect = _util.Util.normalizeRect([data.rect[0], page.view[3] - data.rect[1] + page.view[1], data.rect[2], page.view[3] - data.rect[3] + page.view[1]]);
- _dom_utils.CustomStyle.setProp('transform', container, 'matrix(' + viewport.transform.join(',') + ')');
- _dom_utils.CustomStyle.setProp('transformOrigin', container, -rect[0] + 'px ' + -rect[1] + 'px');
- if (!ignoreBorder && data.borderStyle.width > 0) {
- container.style.borderWidth = data.borderStyle.width + 'px';
- if (data.borderStyle.style !== _util.AnnotationBorderStyleType.UNDERLINE) {
- width = width - 2 * data.borderStyle.width;
- height = height - 2 * data.borderStyle.width;
- }
- var horizontalRadius = data.borderStyle.horizontalCornerRadius;
- var verticalRadius = data.borderStyle.verticalCornerRadius;
- if (horizontalRadius > 0 || verticalRadius > 0) {
- var radius = horizontalRadius + 'px / ' + verticalRadius + 'px';
- _dom_utils.CustomStyle.setProp('borderRadius', container, radius);
- }
- switch (data.borderStyle.style) {
- case _util.AnnotationBorderStyleType.SOLID:
- container.style.borderStyle = 'solid';
- break;
- case _util.AnnotationBorderStyleType.DASHED:
- container.style.borderStyle = 'dashed';
- break;
- case _util.AnnotationBorderStyleType.BEVELED:
- (0, _util.warn)('Unimplemented border style: beveled');
- break;
- case _util.AnnotationBorderStyleType.INSET:
- (0, _util.warn)('Unimplemented border style: inset');
- break;
- case _util.AnnotationBorderStyleType.UNDERLINE:
- container.style.borderBottomStyle = 'solid';
- break;
- default:
- break;
- }
- if (data.color) {
- container.style.borderColor = _util.Util.makeCssRgb(data.color[0] | 0, data.color[1] | 0, data.color[2] | 0);
- } else {
- container.style.borderWidth = 0;
- }
- }
- container.style.left = rect[0] + 'px';
- container.style.top = rect[1] + 'px';
- container.style.width = width + 'px';
- container.style.height = height + 'px';
- return container;
- },
- _createPopup: function AnnotationElement_createPopup(container, trigger, data) {
- if (!trigger) {
- trigger = document.createElement('div');
- trigger.style.height = container.style.height;
- trigger.style.width = container.style.width;
- container.appendChild(trigger);
- }
- var popupElement = new PopupElement({
- container: container,
- trigger: trigger,
- color: data.color,
- title: data.title,
- contents: data.contents,
- hideWrapper: true
- });
- var popup = popupElement.render();
- popup.style.left = container.style.width;
- container.appendChild(popup);
- },
- render: function AnnotationElement_render() {
- throw new Error('Abstract method AnnotationElement.render called');
- }
- };
- return AnnotationElement;
-}();
-var LinkAnnotationElement = function LinkAnnotationElementClosure() {
- function LinkAnnotationElement(parameters) {
- AnnotationElement.call(this, parameters, true);
- }
- _util.Util.inherit(LinkAnnotationElement, AnnotationElement, {
- render: function LinkAnnotationElement_render() {
- this.container.className = 'linkAnnotation';
- var link = document.createElement('a');
- (0, _dom_utils.addLinkAttributes)(link, {
- url: this.data.url,
- target: this.data.newWindow ? _dom_utils.LinkTarget.BLANK : undefined
- });
- if (!this.data.url) {
- if (this.data.action) {
- this._bindNamedAction(link, this.data.action);
- } else {
- this._bindLink(link, this.data.dest);
- }
- }
- this.container.appendChild(link);
- return this.container;
- },
- _bindLink: function _bindLink(link, destination) {
- var _this = this;
-
- link.href = this.linkService.getDestinationHash(destination);
- link.onclick = function () {
- if (destination) {
- _this.linkService.navigateTo(destination);
- }
- return false;
- };
- if (destination) {
- link.className = 'internalLink';
- }
- },
- _bindNamedAction: function _bindNamedAction(link, action) {
- var _this2 = this;
-
- link.href = this.linkService.getAnchorUrl('');
- link.onclick = function () {
- _this2.linkService.executeNamedAction(action);
- return false;
- };
- link.className = 'internalLink';
- }
- });
- return LinkAnnotationElement;
-}();
-var TextAnnotationElement = function TextAnnotationElementClosure() {
- function TextAnnotationElement(parameters) {
- var isRenderable = !!(parameters.data.hasPopup || parameters.data.title || parameters.data.contents);
- AnnotationElement.call(this, parameters, isRenderable);
- }
- _util.Util.inherit(TextAnnotationElement, AnnotationElement, {
- render: function TextAnnotationElement_render() {
- this.container.className = 'textAnnotation';
- var image = document.createElement('img');
- image.style.height = this.container.style.height;
- image.style.width = this.container.style.width;
- image.src = this.imageResourcesPath + 'annotation-' + this.data.name.toLowerCase() + '.svg';
- image.alt = '[{{type}} Annotation]';
- image.dataset.l10nId = 'text_annotation_type';
- image.dataset.l10nArgs = JSON.stringify({ type: this.data.name });
- if (!this.data.hasPopup) {
- this._createPopup(this.container, image, this.data);
- }
- this.container.appendChild(image);
- return this.container;
- }
- });
- return TextAnnotationElement;
-}();
-var WidgetAnnotationElement = function WidgetAnnotationElementClosure() {
- function WidgetAnnotationElement(parameters, isRenderable) {
- AnnotationElement.call(this, parameters, isRenderable);
- }
- _util.Util.inherit(WidgetAnnotationElement, AnnotationElement, {
- render: function WidgetAnnotationElement_render() {
- return this.container;
- }
- });
- return WidgetAnnotationElement;
-}();
-var TextWidgetAnnotationElement = function TextWidgetAnnotationElementClosure() {
- var TEXT_ALIGNMENT = ['left', 'center', 'right'];
- function TextWidgetAnnotationElement(parameters) {
- var isRenderable = parameters.renderInteractiveForms || !parameters.data.hasAppearance && !!parameters.data.fieldValue;
- WidgetAnnotationElement.call(this, parameters, isRenderable);
- }
- _util.Util.inherit(TextWidgetAnnotationElement, WidgetAnnotationElement, {
- render: function TextWidgetAnnotationElement_render() {
- this.container.className = 'textWidgetAnnotation';
- var element = null;
- if (this.renderInteractiveForms) {
- if (this.data.multiLine) {
- element = document.createElement('textarea');
- element.textContent = this.data.fieldValue;
- } else {
- element = document.createElement('input');
- element.type = 'text';
- element.setAttribute('value', this.data.fieldValue);
- }
- element.disabled = this.data.readOnly;
- if (this.data.maxLen !== null) {
- element.maxLength = this.data.maxLen;
- }
- if (this.data.comb) {
- var fieldWidth = this.data.rect[2] - this.data.rect[0];
- var combWidth = fieldWidth / this.data.maxLen;
- element.classList.add('comb');
- element.style.letterSpacing = 'calc(' + combWidth + 'px - 1ch)';
- }
- } else {
- element = document.createElement('div');
- element.textContent = this.data.fieldValue;
- element.style.verticalAlign = 'middle';
- element.style.display = 'table-cell';
- var font = null;
- if (this.data.fontRefName) {
- font = this.page.commonObjs.getData(this.data.fontRefName);
- }
- this._setTextStyle(element, font);
- }
- if (this.data.textAlignment !== null) {
- element.style.textAlign = TEXT_ALIGNMENT[this.data.textAlignment];
- }
- this.container.appendChild(element);
- return this.container;
- },
- _setTextStyle: function TextWidgetAnnotationElement_setTextStyle(element, font) {
- var style = element.style;
- style.fontSize = this.data.fontSize + 'px';
- style.direction = this.data.fontDirection < 0 ? 'rtl' : 'ltr';
- if (!font) {
- return;
- }
- style.fontWeight = font.black ? font.bold ? '900' : 'bold' : font.bold ? 'bold' : 'normal';
- style.fontStyle = font.italic ? 'italic' : 'normal';
- var fontFamily = font.loadedName ? '"' + font.loadedName + '", ' : '';
- var fallbackName = font.fallbackName || 'Helvetica, sans-serif';
- style.fontFamily = fontFamily + fallbackName;
- }
- });
- return TextWidgetAnnotationElement;
-}();
-var CheckboxWidgetAnnotationElement = function CheckboxWidgetAnnotationElementClosure() {
- function CheckboxWidgetAnnotationElement(parameters) {
- WidgetAnnotationElement.call(this, parameters, parameters.renderInteractiveForms);
- }
- _util.Util.inherit(CheckboxWidgetAnnotationElement, WidgetAnnotationElement, {
- render: function CheckboxWidgetAnnotationElement_render() {
- this.container.className = 'buttonWidgetAnnotation checkBox';
- var element = document.createElement('input');
- element.disabled = this.data.readOnly;
- element.type = 'checkbox';
- if (this.data.fieldValue && this.data.fieldValue !== 'Off') {
- element.setAttribute('checked', true);
- }
- this.container.appendChild(element);
- return this.container;
- }
- });
- return CheckboxWidgetAnnotationElement;
-}();
-var RadioButtonWidgetAnnotationElement = function RadioButtonWidgetAnnotationElementClosure() {
- function RadioButtonWidgetAnnotationElement(parameters) {
- WidgetAnnotationElement.call(this, parameters, parameters.renderInteractiveForms);
- }
- _util.Util.inherit(RadioButtonWidgetAnnotationElement, WidgetAnnotationElement, {
- render: function RadioButtonWidgetAnnotationElement_render() {
- this.container.className = 'buttonWidgetAnnotation radioButton';
- var element = document.createElement('input');
- element.disabled = this.data.readOnly;
- element.type = 'radio';
- element.name = this.data.fieldName;
- if (this.data.fieldValue === this.data.buttonValue) {
- element.setAttribute('checked', true);
- }
- this.container.appendChild(element);
- return this.container;
- }
- });
- return RadioButtonWidgetAnnotationElement;
-}();
-var ChoiceWidgetAnnotationElement = function ChoiceWidgetAnnotationElementClosure() {
- function ChoiceWidgetAnnotationElement(parameters) {
- WidgetAnnotationElement.call(this, parameters, parameters.renderInteractiveForms);
- }
- _util.Util.inherit(ChoiceWidgetAnnotationElement, WidgetAnnotationElement, {
- render: function ChoiceWidgetAnnotationElement_render() {
- this.container.className = 'choiceWidgetAnnotation';
- var selectElement = document.createElement('select');
- selectElement.disabled = this.data.readOnly;
- if (!this.data.combo) {
- selectElement.size = this.data.options.length;
- if (this.data.multiSelect) {
- selectElement.multiple = true;
- }
- }
- for (var i = 0, ii = this.data.options.length; i < ii; i++) {
- var option = this.data.options[i];
- var optionElement = document.createElement('option');
- optionElement.textContent = option.displayValue;
- optionElement.value = option.exportValue;
- if (this.data.fieldValue.indexOf(option.displayValue) >= 0) {
- optionElement.setAttribute('selected', true);
- }
- selectElement.appendChild(optionElement);
- }
- this.container.appendChild(selectElement);
- return this.container;
- }
- });
- return ChoiceWidgetAnnotationElement;
-}();
-var PopupAnnotationElement = function PopupAnnotationElementClosure() {
- var IGNORE_TYPES = ['Line'];
- function PopupAnnotationElement(parameters) {
- var isRenderable = !!(parameters.data.title || parameters.data.contents);
- AnnotationElement.call(this, parameters, isRenderable);
- }
- _util.Util.inherit(PopupAnnotationElement, AnnotationElement, {
- render: function PopupAnnotationElement_render() {
- this.container.className = 'popupAnnotation';
- if (IGNORE_TYPES.indexOf(this.data.parentType) >= 0) {
- return this.container;
- }
- var selector = '[data-annotation-id="' + this.data.parentId + '"]';
- var parentElement = this.layer.querySelector(selector);
- if (!parentElement) {
- return this.container;
- }
- var popup = new PopupElement({
- container: this.container,
- trigger: parentElement,
- color: this.data.color,
- title: this.data.title,
- contents: this.data.contents
- });
- var parentLeft = parseFloat(parentElement.style.left);
- var parentWidth = parseFloat(parentElement.style.width);
- _dom_utils.CustomStyle.setProp('transformOrigin', this.container, -(parentLeft + parentWidth) + 'px -' + parentElement.style.top);
- this.container.style.left = parentLeft + parentWidth + 'px';
- this.container.appendChild(popup.render());
- return this.container;
- }
- });
- return PopupAnnotationElement;
-}();
-var PopupElement = function PopupElementClosure() {
- var BACKGROUND_ENLIGHT = 0.7;
- function PopupElement(parameters) {
- this.container = parameters.container;
- this.trigger = parameters.trigger;
- this.color = parameters.color;
- this.title = parameters.title;
- this.contents = parameters.contents;
- this.hideWrapper = parameters.hideWrapper || false;
- this.pinned = false;
- }
- PopupElement.prototype = {
- render: function PopupElement_render() {
- var wrapper = document.createElement('div');
- wrapper.className = 'popupWrapper';
- this.hideElement = this.hideWrapper ? wrapper : this.container;
- this.hideElement.setAttribute('hidden', true);
- var popup = document.createElement('div');
- popup.className = 'popup';
- var color = this.color;
- if (color) {
- var r = BACKGROUND_ENLIGHT * (255 - color[0]) + color[0];
- var g = BACKGROUND_ENLIGHT * (255 - color[1]) + color[1];
- var b = BACKGROUND_ENLIGHT * (255 - color[2]) + color[2];
- popup.style.backgroundColor = _util.Util.makeCssRgb(r | 0, g | 0, b | 0);
- }
- var contents = this._formatContents(this.contents);
- var title = document.createElement('h1');
- title.textContent = this.title;
- this.trigger.addEventListener('click', this._toggle.bind(this));
- this.trigger.addEventListener('mouseover', this._show.bind(this, false));
- this.trigger.addEventListener('mouseout', this._hide.bind(this, false));
- popup.addEventListener('click', this._hide.bind(this, true));
- popup.appendChild(title);
- popup.appendChild(contents);
- wrapper.appendChild(popup);
- return wrapper;
- },
- _formatContents: function PopupElement_formatContents(contents) {
- var p = document.createElement('p');
- var lines = contents.split(/(?:\r\n?|\n)/);
- for (var i = 0, ii = lines.length; i < ii; ++i) {
- var line = lines[i];
- p.appendChild(document.createTextNode(line));
- if (i < ii - 1) {
- p.appendChild(document.createElement('br'));
- }
- }
- return p;
- },
- _toggle: function PopupElement_toggle() {
- if (this.pinned) {
- this._hide(true);
- } else {
- this._show(true);
- }
- },
- _show: function PopupElement_show(pin) {
- if (pin) {
- this.pinned = true;
- }
- if (this.hideElement.hasAttribute('hidden')) {
- this.hideElement.removeAttribute('hidden');
- this.container.style.zIndex += 1;
- }
- },
- _hide: function PopupElement_hide(unpin) {
- if (unpin) {
- this.pinned = false;
- }
- if (!this.hideElement.hasAttribute('hidden') && !this.pinned) {
- this.hideElement.setAttribute('hidden', true);
- this.container.style.zIndex -= 1;
- }
- }
- };
- return PopupElement;
-}();
-var LineAnnotationElement = function LineAnnotationElementClosure() {
- var SVG_NS = 'http://www.w3.org/2000/svg';
- function LineAnnotationElement(parameters) {
- var isRenderable = !!(parameters.data.hasPopup || parameters.data.title || parameters.data.contents);
- AnnotationElement.call(this, parameters, isRenderable, true);
- }
- _util.Util.inherit(LineAnnotationElement, AnnotationElement, {
- render: function LineAnnotationElement_render() {
- this.container.className = 'lineAnnotation';
- var data = this.data;
- var width = data.rect[2] - data.rect[0];
- var height = data.rect[3] - data.rect[1];
- var svg = document.createElementNS(SVG_NS, 'svg:svg');
- svg.setAttributeNS(null, 'version', '1.1');
- svg.setAttributeNS(null, 'width', width + 'px');
- svg.setAttributeNS(null, 'height', height + 'px');
- svg.setAttributeNS(null, 'preserveAspectRatio', 'none');
- svg.setAttributeNS(null, 'viewBox', '0 0 ' + width + ' ' + height);
- var line = document.createElementNS(SVG_NS, 'svg:line');
- line.setAttributeNS(null, 'x1', data.rect[2] - data.lineCoordinates[0]);
- line.setAttributeNS(null, 'y1', data.rect[3] - data.lineCoordinates[1]);
- line.setAttributeNS(null, 'x2', data.rect[2] - data.lineCoordinates[2]);
- line.setAttributeNS(null, 'y2', data.rect[3] - data.lineCoordinates[3]);
- line.setAttributeNS(null, 'stroke-width', data.borderStyle.width);
- line.setAttributeNS(null, 'stroke', 'transparent');
- svg.appendChild(line);
- this.container.append(svg);
- this._createPopup(this.container, line, this.data);
- return this.container;
- }
- });
- return LineAnnotationElement;
-}();
-var HighlightAnnotationElement = function HighlightAnnotationElementClosure() {
- function HighlightAnnotationElement(parameters) {
- var isRenderable = !!(parameters.data.hasPopup || parameters.data.title || parameters.data.contents);
- AnnotationElement.call(this, parameters, isRenderable, true);
- }
- _util.Util.inherit(HighlightAnnotationElement, AnnotationElement, {
- render: function HighlightAnnotationElement_render() {
- this.container.className = 'highlightAnnotation';
- if (!this.data.hasPopup) {
- this._createPopup(this.container, null, this.data);
- }
- return this.container;
- }
- });
- return HighlightAnnotationElement;
-}();
-var UnderlineAnnotationElement = function UnderlineAnnotationElementClosure() {
- function UnderlineAnnotationElement(parameters) {
- var isRenderable = !!(parameters.data.hasPopup || parameters.data.title || parameters.data.contents);
- AnnotationElement.call(this, parameters, isRenderable, true);
- }
- _util.Util.inherit(UnderlineAnnotationElement, AnnotationElement, {
- render: function UnderlineAnnotationElement_render() {
- this.container.className = 'underlineAnnotation';
- if (!this.data.hasPopup) {
- this._createPopup(this.container, null, this.data);
- }
- return this.container;
- }
- });
- return UnderlineAnnotationElement;
-}();
-var SquigglyAnnotationElement = function SquigglyAnnotationElementClosure() {
- function SquigglyAnnotationElement(parameters) {
- var isRenderable = !!(parameters.data.hasPopup || parameters.data.title || parameters.data.contents);
- AnnotationElement.call(this, parameters, isRenderable, true);
- }
- _util.Util.inherit(SquigglyAnnotationElement, AnnotationElement, {
- render: function SquigglyAnnotationElement_render() {
- this.container.className = 'squigglyAnnotation';
- if (!this.data.hasPopup) {
- this._createPopup(this.container, null, this.data);
- }
- return this.container;
- }
- });
- return SquigglyAnnotationElement;
-}();
-var StrikeOutAnnotationElement = function StrikeOutAnnotationElementClosure() {
- function StrikeOutAnnotationElement(parameters) {
- var isRenderable = !!(parameters.data.hasPopup || parameters.data.title || parameters.data.contents);
- AnnotationElement.call(this, parameters, isRenderable, true);
- }
- _util.Util.inherit(StrikeOutAnnotationElement, AnnotationElement, {
- render: function StrikeOutAnnotationElement_render() {
- this.container.className = 'strikeoutAnnotation';
- if (!this.data.hasPopup) {
- this._createPopup(this.container, null, this.data);
- }
- return this.container;
- }
- });
- return StrikeOutAnnotationElement;
-}();
-var FileAttachmentAnnotationElement = function FileAttachmentAnnotationElementClosure() {
- function FileAttachmentAnnotationElement(parameters) {
- AnnotationElement.call(this, parameters, true);
- var file = this.data.file;
- this.filename = (0, _dom_utils.getFilenameFromUrl)(file.filename);
- this.content = file.content;
- this.linkService.onFileAttachmentAnnotation({
- id: (0, _util.stringToPDFString)(file.filename),
- filename: file.filename,
- content: file.content
+ const url = this.baseUrl + name + (this.isCompressed ? ".bcmap" : "");
+ const compressionType = this.isCompressed ? _util.CMapCompressionType.BINARY : _util.CMapCompressionType.NONE;
+ return this._fetchData(url, compressionType).catch(reason => {
+ throw new Error(`Unable to load ${this.isCompressed ? "binary " : ""}CMap at: ${url}`);
});
}
- _util.Util.inherit(FileAttachmentAnnotationElement, AnnotationElement, {
- render: function FileAttachmentAnnotationElement_render() {
- this.container.className = 'fileAttachmentAnnotation';
- var trigger = document.createElement('div');
- trigger.style.height = this.container.style.height;
- trigger.style.width = this.container.style.width;
- trigger.addEventListener('dblclick', this._download.bind(this));
- if (!this.data.hasPopup && (this.data.title || this.data.contents)) {
- this._createPopup(this.container, trigger, this.data);
- }
- this.container.appendChild(trigger);
- return this.container;
- },
- _download: function FileAttachmentAnnotationElement_download() {
- if (!this.downloadManager) {
- (0, _util.warn)('Download cannot be started due to unavailable download manager');
- return;
- }
- this.downloadManager.downloadData(this.content, this.filename, '');
- }
- });
- return FileAttachmentAnnotationElement;
-}();
-var AnnotationLayer = function AnnotationLayerClosure() {
- return {
- render: function AnnotationLayer_render(parameters) {
- var annotationElementFactory = new AnnotationElementFactory();
- for (var i = 0, ii = parameters.annotations.length; i < ii; i++) {
- var data = parameters.annotations[i];
- if (!data) {
- continue;
- }
- var element = annotationElementFactory.create({
- data: data,
- layer: parameters.div,
- page: parameters.page,
- viewport: parameters.viewport,
- linkService: parameters.linkService,
- downloadManager: parameters.downloadManager,
- imageResourcesPath: parameters.imageResourcesPath || (0, _dom_utils.getDefaultSetting)('imageResourcesPath'),
- renderInteractiveForms: parameters.renderInteractiveForms || false
- });
- if (element.isRenderable) {
- parameters.div.appendChild(element.render());
- }
- }
- },
- update: function AnnotationLayer_update(parameters) {
- for (var i = 0, ii = parameters.annotations.length; i < ii; i++) {
- var data = parameters.annotations[i];
- var element = parameters.div.querySelector('[data-annotation-id="' + data.id + '"]');
- if (element) {
- _dom_utils.CustomStyle.setProp('transform', element, 'matrix(' + parameters.viewport.transform.join(',') + ')');
- }
- }
- parameters.div.removeAttribute('hidden');
- }
- };
-}();
-exports.AnnotationLayer = AnnotationLayer;
-/***/ }),
-/* 4 */
-/***/ (function(module, exports, __w_pdfjs_require__) {
+ _fetchData(url, compressionType) {
+ (0, _util.unreachable)("Abstract method `_fetchData` called.");
+ }
-"use strict";
-
-
-Object.defineProperty(exports, "__esModule", {
- value: true
-});
-exports.SVGGraphics = undefined;
-
-var _util = __w_pdfjs_require__(0);
-
-var SVGGraphics = function SVGGraphics() {
- throw new Error('Not implemented: SVGGraphics');
-};
-{
- var SVG_DEFAULTS = {
- fontStyle: 'normal',
- fontWeight: 'normal',
- fillColor: '#000000'
- };
- var convertImgDataToPng = function convertImgDataToPngClosure() {
- var PNG_HEADER = new Uint8Array([0x89, 0x50, 0x4e, 0x47, 0x0d, 0x0a, 0x1a, 0x0a]);
- var CHUNK_WRAPPER_SIZE = 12;
- var crcTable = new Int32Array(256);
- for (var i = 0; i < 256; i++) {
- var c = i;
- for (var h = 0; h < 8; h++) {
- if (c & 1) {
- c = 0xedB88320 ^ c >> 1 & 0x7fffffff;
- } else {
- c = c >> 1 & 0x7fffffff;
- }
- }
- crcTable[i] = c;
- }
- function crc32(data, start, end) {
- var crc = -1;
- for (var i = start; i < end; i++) {
- var a = (crc ^ data[i]) & 0xff;
- var b = crcTable[a];
- crc = crc >>> 8 ^ b;
- }
- return crc ^ -1;
- }
- function writePngChunk(type, body, data, offset) {
- var p = offset;
- var len = body.length;
- data[p] = len >> 24 & 0xff;
- data[p + 1] = len >> 16 & 0xff;
- data[p + 2] = len >> 8 & 0xff;
- data[p + 3] = len & 0xff;
- p += 4;
- data[p] = type.charCodeAt(0) & 0xff;
- data[p + 1] = type.charCodeAt(1) & 0xff;
- data[p + 2] = type.charCodeAt(2) & 0xff;
- data[p + 3] = type.charCodeAt(3) & 0xff;
- p += 4;
- data.set(body, p);
- p += body.length;
- var crc = crc32(data, offset + 4, p);
- data[p] = crc >> 24 & 0xff;
- data[p + 1] = crc >> 16 & 0xff;
- data[p + 2] = crc >> 8 & 0xff;
- data[p + 3] = crc & 0xff;
- }
- function adler32(data, start, end) {
- var a = 1;
- var b = 0;
- for (var i = start; i < end; ++i) {
- a = (a + (data[i] & 0xff)) % 65521;
- b = (b + a) % 65521;
- }
- return b << 16 | a;
- }
- function deflateSync(literals) {
- if (!(0, _util.isNodeJS)()) {
- return deflateSyncUncompressed(literals);
- }
- try {
- var input;
- if (parseInt(process.versions.node) >= 8) {
- input = literals;
- } else {
- input = new Buffer(literals);
- }
- var output = require('zlib').deflateSync(input, { level: 9 });
- return output instanceof Uint8Array ? output : new Uint8Array(output);
- } catch (e) {
- (0, _util.warn)('Not compressing PNG because zlib.deflateSync is unavailable: ' + e);
- }
- return deflateSyncUncompressed(literals);
- }
- function deflateSyncUncompressed(literals) {
- var len = literals.length;
- var maxBlockLength = 0xFFFF;
- var deflateBlocks = Math.ceil(len / maxBlockLength);
- var idat = new Uint8Array(2 + len + deflateBlocks * 5 + 4);
- var pi = 0;
- idat[pi++] = 0x78;
- idat[pi++] = 0x9c;
- var pos = 0;
- while (len > maxBlockLength) {
- idat[pi++] = 0x00;
- idat[pi++] = 0xff;
- idat[pi++] = 0xff;
- idat[pi++] = 0x00;
- idat[pi++] = 0x00;
- idat.set(literals.subarray(pos, pos + maxBlockLength), pi);
- pi += maxBlockLength;
- pos += maxBlockLength;
- len -= maxBlockLength;
- }
- idat[pi++] = 0x01;
- idat[pi++] = len & 0xff;
- idat[pi++] = len >> 8 & 0xff;
- idat[pi++] = ~len & 0xffff & 0xff;
- idat[pi++] = (~len & 0xffff) >> 8 & 0xff;
- idat.set(literals.subarray(pos), pi);
- pi += literals.length - pos;
- var adler = adler32(literals, 0, literals.length);
- idat[pi++] = adler >> 24 & 0xff;
- idat[pi++] = adler >> 16 & 0xff;
- idat[pi++] = adler >> 8 & 0xff;
- idat[pi++] = adler & 0xff;
- return idat;
- }
- function encode(imgData, kind, forceDataSchema) {
- var width = imgData.width;
- var height = imgData.height;
- var bitDepth, colorType, lineSize;
- var bytes = imgData.data;
- switch (kind) {
- case _util.ImageKind.GRAYSCALE_1BPP:
- colorType = 0;
- bitDepth = 1;
- lineSize = width + 7 >> 3;
- break;
- case _util.ImageKind.RGB_24BPP:
- colorType = 2;
- bitDepth = 8;
- lineSize = width * 3;
- break;
- case _util.ImageKind.RGBA_32BPP:
- colorType = 6;
- bitDepth = 8;
- lineSize = width * 4;
- break;
- default:
- throw new Error('invalid format');
- }
- var literals = new Uint8Array((1 + lineSize) * height);
- var offsetLiterals = 0,
- offsetBytes = 0;
- var y, i;
- for (y = 0; y < height; ++y) {
- literals[offsetLiterals++] = 0;
- literals.set(bytes.subarray(offsetBytes, offsetBytes + lineSize), offsetLiterals);
- offsetBytes += lineSize;
- offsetLiterals += lineSize;
- }
- if (kind === _util.ImageKind.GRAYSCALE_1BPP) {
- offsetLiterals = 0;
- for (y = 0; y < height; y++) {
- offsetLiterals++;
- for (i = 0; i < lineSize; i++) {
- literals[offsetLiterals++] ^= 0xFF;
- }
- }
- }
- var ihdr = new Uint8Array([width >> 24 & 0xff, width >> 16 & 0xff, width >> 8 & 0xff, width & 0xff, height >> 24 & 0xff, height >> 16 & 0xff, height >> 8 & 0xff, height & 0xff, bitDepth, colorType, 0x00, 0x00, 0x00]);
- var idat = deflateSync(literals);
- var pngLength = PNG_HEADER.length + CHUNK_WRAPPER_SIZE * 3 + ihdr.length + idat.length;
- var data = new Uint8Array(pngLength);
- var offset = 0;
- data.set(PNG_HEADER, offset);
- offset += PNG_HEADER.length;
- writePngChunk('IHDR', ihdr, data, offset);
- offset += CHUNK_WRAPPER_SIZE + ihdr.length;
- writePngChunk('IDATA', idat, data, offset);
- offset += CHUNK_WRAPPER_SIZE + idat.length;
- writePngChunk('IEND', new Uint8Array(0), data, offset);
- return (0, _util.createObjectURL)(data, 'image/png', forceDataSchema);
- }
- return function convertImgDataToPng(imgData, forceDataSchema) {
- var kind = imgData.kind === undefined ? _util.ImageKind.GRAYSCALE_1BPP : imgData.kind;
- return encode(imgData, kind, forceDataSchema);
- };
- }();
- var SVGExtraState = function SVGExtraStateClosure() {
- function SVGExtraState() {
- this.fontSizeScale = 1;
- this.fontWeight = SVG_DEFAULTS.fontWeight;
- this.fontSize = 0;
- this.textMatrix = _util.IDENTITY_MATRIX;
- this.fontMatrix = _util.FONT_IDENTITY_MATRIX;
- this.leading = 0;
- this.x = 0;
- this.y = 0;
- this.lineX = 0;
- this.lineY = 0;
- this.charSpacing = 0;
- this.wordSpacing = 0;
- this.textHScale = 1;
- this.textRise = 0;
- this.fillColor = SVG_DEFAULTS.fillColor;
- this.strokeColor = '#000000';
- this.fillAlpha = 1;
- this.strokeAlpha = 1;
- this.lineWidth = 1;
- this.lineJoin = '';
- this.lineCap = '';
- this.miterLimit = 0;
- this.dashArray = [];
- this.dashPhase = 0;
- this.dependencies = [];
- this.activeClipUrl = null;
- this.clipGroup = null;
- this.maskId = '';
- }
- SVGExtraState.prototype = {
- clone: function SVGExtraState_clone() {
- return Object.create(this);
- },
- setCurrentPoint: function SVGExtraState_setCurrentPoint(x, y) {
- this.x = x;
- this.y = y;
- }
- };
- return SVGExtraState;
- }();
- exports.SVGGraphics = SVGGraphics = function SVGGraphicsClosure() {
- function opListToTree(opList) {
- var opTree = [];
- var tmp = [];
- var opListLen = opList.length;
- for (var x = 0; x < opListLen; x++) {
- if (opList[x].fn === 'save') {
- opTree.push({
- 'fnId': 92,
- 'fn': 'group',
- 'items': []
- });
- tmp.push(opTree);
- opTree = opTree[opTree.length - 1].items;
- continue;
- }
- if (opList[x].fn === 'restore') {
- opTree = tmp.pop();
- } else {
- opTree.push(opList[x]);
- }
- }
- return opTree;
- }
- function pf(value) {
- if (value === (value | 0)) {
- return value.toString();
- }
- var s = value.toFixed(10);
- var i = s.length - 1;
- if (s[i] !== '0') {
- return s;
- }
- do {
- i--;
- } while (s[i] === '0');
- return s.substr(0, s[i] === '.' ? i : i + 1);
- }
- function pm(m) {
- if (m[4] === 0 && m[5] === 0) {
- if (m[1] === 0 && m[2] === 0) {
- if (m[0] === 1 && m[3] === 1) {
- return '';
- }
- return 'scale(' + pf(m[0]) + ' ' + pf(m[3]) + ')';
- }
- if (m[0] === m[3] && m[1] === -m[2]) {
- var a = Math.acos(m[0]) * 180 / Math.PI;
- return 'rotate(' + pf(a) + ')';
- }
- } else {
- if (m[0] === 1 && m[1] === 0 && m[2] === 0 && m[3] === 1) {
- return 'translate(' + pf(m[4]) + ' ' + pf(m[5]) + ')';
- }
- }
- return 'matrix(' + pf(m[0]) + ' ' + pf(m[1]) + ' ' + pf(m[2]) + ' ' + pf(m[3]) + ' ' + pf(m[4]) + ' ' + pf(m[5]) + ')';
- }
- function SVGGraphics(commonObjs, objs, forceDataSchema) {
- this.current = new SVGExtraState();
- this.transformMatrix = _util.IDENTITY_MATRIX;
- this.transformStack = [];
- this.extraStack = [];
- this.commonObjs = commonObjs;
- this.objs = objs;
- this.pendingClip = null;
- this.pendingEOFill = false;
- this.embedFonts = false;
- this.embeddedFonts = Object.create(null);
- this.cssStyle = null;
- this.forceDataSchema = !!forceDataSchema;
- }
- var NS = 'http://www.w3.org/2000/svg';
- var XML_NS = 'http://www.w3.org/XML/1998/namespace';
- var XLINK_NS = 'http://www.w3.org/1999/xlink';
- var LINE_CAP_STYLES = ['butt', 'round', 'square'];
- var LINE_JOIN_STYLES = ['miter', 'round', 'bevel'];
- var clipCount = 0;
- var maskCount = 0;
- SVGGraphics.prototype = {
- save: function SVGGraphics_save() {
- this.transformStack.push(this.transformMatrix);
- var old = this.current;
- this.extraStack.push(old);
- this.current = old.clone();
- },
- restore: function SVGGraphics_restore() {
- this.transformMatrix = this.transformStack.pop();
- this.current = this.extraStack.pop();
- this.pendingClip = null;
- this.tgrp = null;
- },
- group: function SVGGraphics_group(items) {
- this.save();
- this.executeOpTree(items);
- this.restore();
- },
- loadDependencies: function SVGGraphics_loadDependencies(operatorList) {
- var _this = this;
-
- var fnArray = operatorList.fnArray;
- var fnArrayLen = fnArray.length;
- var argsArray = operatorList.argsArray;
- for (var i = 0; i < fnArrayLen; i++) {
- if (_util.OPS.dependency === fnArray[i]) {
- var deps = argsArray[i];
- for (var n = 0, nn = deps.length; n < nn; n++) {
- var obj = deps[n];
- var common = obj.substring(0, 2) === 'g_';
- var promise;
- if (common) {
- promise = new Promise(function (resolve) {
- _this.commonObjs.get(obj, resolve);
- });
- } else {
- promise = new Promise(function (resolve) {
- _this.objs.get(obj, resolve);
- });
- }
- this.current.dependencies.push(promise);
- }
- }
- }
- return Promise.all(this.current.dependencies);
- },
- transform: function SVGGraphics_transform(a, b, c, d, e, f) {
- var transformMatrix = [a, b, c, d, e, f];
- this.transformMatrix = _util.Util.transform(this.transformMatrix, transformMatrix);
- this.tgrp = null;
- },
- getSVG: function SVGGraphics_getSVG(operatorList, viewport) {
- var _this2 = this;
-
- this.viewport = viewport;
- var svgElement = this._initialize(viewport);
- return this.loadDependencies(operatorList).then(function () {
- _this2.transformMatrix = _util.IDENTITY_MATRIX;
- var opTree = _this2.convertOpList(operatorList);
- _this2.executeOpTree(opTree);
- return svgElement;
- });
- },
- convertOpList: function SVGGraphics_convertOpList(operatorList) {
- var argsArray = operatorList.argsArray;
- var fnArray = operatorList.fnArray;
- var fnArrayLen = fnArray.length;
- var REVOPS = [];
- var opList = [];
- for (var op in _util.OPS) {
- REVOPS[_util.OPS[op]] = op;
- }
- for (var x = 0; x < fnArrayLen; x++) {
- var fnId = fnArray[x];
- opList.push({
- 'fnId': fnId,
- 'fn': REVOPS[fnId],
- 'args': argsArray[x]
- });
- }
- return opListToTree(opList);
- },
- executeOpTree: function SVGGraphics_executeOpTree(opTree) {
- var opTreeLen = opTree.length;
- for (var x = 0; x < opTreeLen; x++) {
- var fn = opTree[x].fn;
- var fnId = opTree[x].fnId;
- var args = opTree[x].args;
- switch (fnId | 0) {
- case _util.OPS.beginText:
- this.beginText();
- break;
- case _util.OPS.setLeading:
- this.setLeading(args);
- break;
- case _util.OPS.setLeadingMoveText:
- this.setLeadingMoveText(args[0], args[1]);
- break;
- case _util.OPS.setFont:
- this.setFont(args);
- break;
- case _util.OPS.showText:
- this.showText(args[0]);
- break;
- case _util.OPS.showSpacedText:
- this.showText(args[0]);
- break;
- case _util.OPS.endText:
- this.endText();
- break;
- case _util.OPS.moveText:
- this.moveText(args[0], args[1]);
- break;
- case _util.OPS.setCharSpacing:
- this.setCharSpacing(args[0]);
- break;
- case _util.OPS.setWordSpacing:
- this.setWordSpacing(args[0]);
- break;
- case _util.OPS.setHScale:
- this.setHScale(args[0]);
- break;
- case _util.OPS.setTextMatrix:
- this.setTextMatrix(args[0], args[1], args[2], args[3], args[4], args[5]);
- break;
- case _util.OPS.setLineWidth:
- this.setLineWidth(args[0]);
- break;
- case _util.OPS.setLineJoin:
- this.setLineJoin(args[0]);
- break;
- case _util.OPS.setLineCap:
- this.setLineCap(args[0]);
- break;
- case _util.OPS.setMiterLimit:
- this.setMiterLimit(args[0]);
- break;
- case _util.OPS.setFillRGBColor:
- this.setFillRGBColor(args[0], args[1], args[2]);
- break;
- case _util.OPS.setStrokeRGBColor:
- this.setStrokeRGBColor(args[0], args[1], args[2]);
- break;
- case _util.OPS.setDash:
- this.setDash(args[0], args[1]);
- break;
- case _util.OPS.setGState:
- this.setGState(args[0]);
- break;
- case _util.OPS.fill:
- this.fill();
- break;
- case _util.OPS.eoFill:
- this.eoFill();
- break;
- case _util.OPS.stroke:
- this.stroke();
- break;
- case _util.OPS.fillStroke:
- this.fillStroke();
- break;
- case _util.OPS.eoFillStroke:
- this.eoFillStroke();
- break;
- case _util.OPS.clip:
- this.clip('nonzero');
- break;
- case _util.OPS.eoClip:
- this.clip('evenodd');
- break;
- case _util.OPS.paintSolidColorImageMask:
- this.paintSolidColorImageMask();
- break;
- case _util.OPS.paintJpegXObject:
- this.paintJpegXObject(args[0], args[1], args[2]);
- break;
- case _util.OPS.paintImageXObject:
- this.paintImageXObject(args[0]);
- break;
- case _util.OPS.paintInlineImageXObject:
- this.paintInlineImageXObject(args[0]);
- break;
- case _util.OPS.paintImageMaskXObject:
- this.paintImageMaskXObject(args[0]);
- break;
- case _util.OPS.paintFormXObjectBegin:
- this.paintFormXObjectBegin(args[0], args[1]);
- break;
- case _util.OPS.paintFormXObjectEnd:
- this.paintFormXObjectEnd();
- break;
- case _util.OPS.closePath:
- this.closePath();
- break;
- case _util.OPS.closeStroke:
- this.closeStroke();
- break;
- case _util.OPS.closeFillStroke:
- this.closeFillStroke();
- break;
- case _util.OPS.nextLine:
- this.nextLine();
- break;
- case _util.OPS.transform:
- this.transform(args[0], args[1], args[2], args[3], args[4], args[5]);
- break;
- case _util.OPS.constructPath:
- this.constructPath(args[0], args[1]);
- break;
- case _util.OPS.endPath:
- this.endPath();
- break;
- case 92:
- this.group(opTree[x].items);
- break;
- default:
- (0, _util.warn)('Unimplemented operator ' + fn);
- break;
- }
- }
- },
- setWordSpacing: function SVGGraphics_setWordSpacing(wordSpacing) {
- this.current.wordSpacing = wordSpacing;
- },
- setCharSpacing: function SVGGraphics_setCharSpacing(charSpacing) {
- this.current.charSpacing = charSpacing;
- },
- nextLine: function SVGGraphics_nextLine() {
- this.moveText(0, this.current.leading);
- },
- setTextMatrix: function SVGGraphics_setTextMatrix(a, b, c, d, e, f) {
- var current = this.current;
- this.current.textMatrix = this.current.lineMatrix = [a, b, c, d, e, f];
- this.current.x = this.current.lineX = 0;
- this.current.y = this.current.lineY = 0;
- current.xcoords = [];
- current.tspan = document.createElementNS(NS, 'svg:tspan');
- current.tspan.setAttributeNS(null, 'font-family', current.fontFamily);
- current.tspan.setAttributeNS(null, 'font-size', pf(current.fontSize) + 'px');
- current.tspan.setAttributeNS(null, 'y', pf(-current.y));
- current.txtElement = document.createElementNS(NS, 'svg:text');
- current.txtElement.appendChild(current.tspan);
- },
- beginText: function SVGGraphics_beginText() {
- this.current.x = this.current.lineX = 0;
- this.current.y = this.current.lineY = 0;
- this.current.textMatrix = _util.IDENTITY_MATRIX;
- this.current.lineMatrix = _util.IDENTITY_MATRIX;
- this.current.tspan = document.createElementNS(NS, 'svg:tspan');
- this.current.txtElement = document.createElementNS(NS, 'svg:text');
- this.current.txtgrp = document.createElementNS(NS, 'svg:g');
- this.current.xcoords = [];
- },
- moveText: function SVGGraphics_moveText(x, y) {
- var current = this.current;
- this.current.x = this.current.lineX += x;
- this.current.y = this.current.lineY += y;
- current.xcoords = [];
- current.tspan = document.createElementNS(NS, 'svg:tspan');
- current.tspan.setAttributeNS(null, 'font-family', current.fontFamily);
- current.tspan.setAttributeNS(null, 'font-size', pf(current.fontSize) + 'px');
- current.tspan.setAttributeNS(null, 'y', pf(-current.y));
- },
- showText: function SVGGraphics_showText(glyphs) {
- var current = this.current;
- var font = current.font;
- var fontSize = current.fontSize;
- if (fontSize === 0) {
- return;
- }
- var charSpacing = current.charSpacing;
- var wordSpacing = current.wordSpacing;
- var fontDirection = current.fontDirection;
- var textHScale = current.textHScale * fontDirection;
- var glyphsLength = glyphs.length;
- var vertical = font.vertical;
- var widthAdvanceScale = fontSize * current.fontMatrix[0];
- var x = 0,
- i;
- for (i = 0; i < glyphsLength; ++i) {
- var glyph = glyphs[i];
- if (glyph === null) {
- x += fontDirection * wordSpacing;
- continue;
- } else if ((0, _util.isNum)(glyph)) {
- x += -glyph * fontSize * 0.001;
- continue;
- }
- current.xcoords.push(current.x + x * textHScale);
- var width = glyph.width;
- var character = glyph.fontChar;
- var spacing = (glyph.isSpace ? wordSpacing : 0) + charSpacing;
- var charWidth = width * widthAdvanceScale + spacing * fontDirection;
- x += charWidth;
- current.tspan.textContent += character;
- }
- if (vertical) {
- current.y -= x * textHScale;
- } else {
- current.x += x * textHScale;
- }
- current.tspan.setAttributeNS(null, 'x', current.xcoords.map(pf).join(' '));
- current.tspan.setAttributeNS(null, 'y', pf(-current.y));
- current.tspan.setAttributeNS(null, 'font-family', current.fontFamily);
- current.tspan.setAttributeNS(null, 'font-size', pf(current.fontSize) + 'px');
- if (current.fontStyle !== SVG_DEFAULTS.fontStyle) {
- current.tspan.setAttributeNS(null, 'font-style', current.fontStyle);
- }
- if (current.fontWeight !== SVG_DEFAULTS.fontWeight) {
- current.tspan.setAttributeNS(null, 'font-weight', current.fontWeight);
- }
- if (current.fillColor !== SVG_DEFAULTS.fillColor) {
- current.tspan.setAttributeNS(null, 'fill', current.fillColor);
- }
- current.txtElement.setAttributeNS(null, 'transform', pm(current.textMatrix) + ' scale(1, -1)');
- current.txtElement.setAttributeNS(XML_NS, 'xml:space', 'preserve');
- current.txtElement.appendChild(current.tspan);
- current.txtgrp.appendChild(current.txtElement);
- this._ensureTransformGroup().appendChild(current.txtElement);
- },
- setLeadingMoveText: function SVGGraphics_setLeadingMoveText(x, y) {
- this.setLeading(-y);
- this.moveText(x, y);
- },
- addFontStyle: function SVGGraphics_addFontStyle(fontObj) {
- if (!this.cssStyle) {
- this.cssStyle = document.createElementNS(NS, 'svg:style');
- this.cssStyle.setAttributeNS(null, 'type', 'text/css');
- this.defs.appendChild(this.cssStyle);
- }
- var url = (0, _util.createObjectURL)(fontObj.data, fontObj.mimetype, this.forceDataSchema);
- this.cssStyle.textContent += '@font-face { font-family: "' + fontObj.loadedName + '";' + ' src: url(' + url + '); }\n';
- },
- setFont: function SVGGraphics_setFont(details) {
- var current = this.current;
- var fontObj = this.commonObjs.get(details[0]);
- var size = details[1];
- this.current.font = fontObj;
- if (this.embedFonts && fontObj.data && !this.embeddedFonts[fontObj.loadedName]) {
- this.addFontStyle(fontObj);
- this.embeddedFonts[fontObj.loadedName] = fontObj;
- }
- current.fontMatrix = fontObj.fontMatrix ? fontObj.fontMatrix : _util.FONT_IDENTITY_MATRIX;
- var bold = fontObj.black ? fontObj.bold ? 'bolder' : 'bold' : fontObj.bold ? 'bold' : 'normal';
- var italic = fontObj.italic ? 'italic' : 'normal';
- if (size < 0) {
- size = -size;
- current.fontDirection = -1;
- } else {
- current.fontDirection = 1;
- }
- current.fontSize = size;
- current.fontFamily = fontObj.loadedName;
- current.fontWeight = bold;
- current.fontStyle = italic;
- current.tspan = document.createElementNS(NS, 'svg:tspan');
- current.tspan.setAttributeNS(null, 'y', pf(-current.y));
- current.xcoords = [];
- },
- endText: function SVGGraphics_endText() {},
- setLineWidth: function SVGGraphics_setLineWidth(width) {
- this.current.lineWidth = width;
- },
- setLineCap: function SVGGraphics_setLineCap(style) {
- this.current.lineCap = LINE_CAP_STYLES[style];
- },
- setLineJoin: function SVGGraphics_setLineJoin(style) {
- this.current.lineJoin = LINE_JOIN_STYLES[style];
- },
- setMiterLimit: function SVGGraphics_setMiterLimit(limit) {
- this.current.miterLimit = limit;
- },
- setStrokeAlpha: function SVGGraphics_setStrokeAlpha(strokeAlpha) {
- this.current.strokeAlpha = strokeAlpha;
- },
- setStrokeRGBColor: function SVGGraphics_setStrokeRGBColor(r, g, b) {
- var color = _util.Util.makeCssRgb(r, g, b);
- this.current.strokeColor = color;
- },
- setFillAlpha: function SVGGraphics_setFillAlpha(fillAlpha) {
- this.current.fillAlpha = fillAlpha;
- },
- setFillRGBColor: function SVGGraphics_setFillRGBColor(r, g, b) {
- var color = _util.Util.makeCssRgb(r, g, b);
- this.current.fillColor = color;
- this.current.tspan = document.createElementNS(NS, 'svg:tspan');
- this.current.xcoords = [];
- },
- setDash: function SVGGraphics_setDash(dashArray, dashPhase) {
- this.current.dashArray = dashArray;
- this.current.dashPhase = dashPhase;
- },
- constructPath: function SVGGraphics_constructPath(ops, args) {
- var current = this.current;
- var x = current.x,
- y = current.y;
- current.path = document.createElementNS(NS, 'svg:path');
- var d = [];
- var opLength = ops.length;
- for (var i = 0, j = 0; i < opLength; i++) {
- switch (ops[i] | 0) {
- case _util.OPS.rectangle:
- x = args[j++];
- y = args[j++];
- var width = args[j++];
- var height = args[j++];
- var xw = x + width;
- var yh = y + height;
- d.push('M', pf(x), pf(y), 'L', pf(xw), pf(y), 'L', pf(xw), pf(yh), 'L', pf(x), pf(yh), 'Z');
- break;
- case _util.OPS.moveTo:
- x = args[j++];
- y = args[j++];
- d.push('M', pf(x), pf(y));
- break;
- case _util.OPS.lineTo:
- x = args[j++];
- y = args[j++];
- d.push('L', pf(x), pf(y));
- break;
- case _util.OPS.curveTo:
- x = args[j + 4];
- y = args[j + 5];
- d.push('C', pf(args[j]), pf(args[j + 1]), pf(args[j + 2]), pf(args[j + 3]), pf(x), pf(y));
- j += 6;
- break;
- case _util.OPS.curveTo2:
- x = args[j + 2];
- y = args[j + 3];
- d.push('C', pf(x), pf(y), pf(args[j]), pf(args[j + 1]), pf(args[j + 2]), pf(args[j + 3]));
- j += 4;
- break;
- case _util.OPS.curveTo3:
- x = args[j + 2];
- y = args[j + 3];
- d.push('C', pf(args[j]), pf(args[j + 1]), pf(x), pf(y), pf(x), pf(y));
- j += 4;
- break;
- case _util.OPS.closePath:
- d.push('Z');
- break;
- }
- }
- current.path.setAttributeNS(null, 'd', d.join(' '));
- current.path.setAttributeNS(null, 'fill', 'none');
- this._ensureTransformGroup().appendChild(current.path);
- current.element = current.path;
- current.setCurrentPoint(x, y);
- },
- endPath: function SVGGraphics_endPath() {
- if (!this.pendingClip) {
- return;
- }
- var current = this.current;
- var clipId = 'clippath' + clipCount;
- clipCount++;
- var clipPath = document.createElementNS(NS, 'svg:clipPath');
- clipPath.setAttributeNS(null, 'id', clipId);
- clipPath.setAttributeNS(null, 'transform', pm(this.transformMatrix));
- var clipElement = current.element.cloneNode();
- if (this.pendingClip === 'evenodd') {
- clipElement.setAttributeNS(null, 'clip-rule', 'evenodd');
- } else {
- clipElement.setAttributeNS(null, 'clip-rule', 'nonzero');
- }
- this.pendingClip = null;
- clipPath.appendChild(clipElement);
- this.defs.appendChild(clipPath);
- if (current.activeClipUrl) {
- current.clipGroup = null;
- this.extraStack.forEach(function (prev) {
- prev.clipGroup = null;
- });
- }
- current.activeClipUrl = 'url(#' + clipId + ')';
- this.tgrp = null;
- },
- clip: function SVGGraphics_clip(type) {
- this.pendingClip = type;
- },
- closePath: function SVGGraphics_closePath() {
- var current = this.current;
- var d = current.path.getAttributeNS(null, 'd');
- d += 'Z';
- current.path.setAttributeNS(null, 'd', d);
- },
- setLeading: function SVGGraphics_setLeading(leading) {
- this.current.leading = -leading;
- },
- setTextRise: function SVGGraphics_setTextRise(textRise) {
- this.current.textRise = textRise;
- },
- setHScale: function SVGGraphics_setHScale(scale) {
- this.current.textHScale = scale / 100;
- },
- setGState: function SVGGraphics_setGState(states) {
- for (var i = 0, ii = states.length; i < ii; i++) {
- var state = states[i];
- var key = state[0];
- var value = state[1];
- switch (key) {
- case 'LW':
- this.setLineWidth(value);
- break;
- case 'LC':
- this.setLineCap(value);
- break;
- case 'LJ':
- this.setLineJoin(value);
- break;
- case 'ML':
- this.setMiterLimit(value);
- break;
- case 'D':
- this.setDash(value[0], value[1]);
- break;
- case 'Font':
- this.setFont(value);
- break;
- case 'CA':
- this.setStrokeAlpha(value);
- break;
- case 'ca':
- this.setFillAlpha(value);
- break;
- default:
- (0, _util.warn)('Unimplemented graphic state ' + key);
- break;
- }
- }
- },
- fill: function SVGGraphics_fill() {
- var current = this.current;
- current.element.setAttributeNS(null, 'fill', current.fillColor);
- current.element.setAttributeNS(null, 'fill-opacity', current.fillAlpha);
- },
- stroke: function SVGGraphics_stroke() {
- var current = this.current;
- current.element.setAttributeNS(null, 'stroke', current.strokeColor);
- current.element.setAttributeNS(null, 'stroke-opacity', current.strokeAlpha);
- current.element.setAttributeNS(null, 'stroke-miterlimit', pf(current.miterLimit));
- current.element.setAttributeNS(null, 'stroke-linecap', current.lineCap);
- current.element.setAttributeNS(null, 'stroke-linejoin', current.lineJoin);
- current.element.setAttributeNS(null, 'stroke-width', pf(current.lineWidth) + 'px');
- current.element.setAttributeNS(null, 'stroke-dasharray', current.dashArray.map(pf).join(' '));
- current.element.setAttributeNS(null, 'stroke-dashoffset', pf(current.dashPhase) + 'px');
- current.element.setAttributeNS(null, 'fill', 'none');
- },
- eoFill: function SVGGraphics_eoFill() {
- this.current.element.setAttributeNS(null, 'fill-rule', 'evenodd');
- this.fill();
- },
- fillStroke: function SVGGraphics_fillStroke() {
- this.stroke();
- this.fill();
- },
- eoFillStroke: function SVGGraphics_eoFillStroke() {
- this.current.element.setAttributeNS(null, 'fill-rule', 'evenodd');
- this.fillStroke();
- },
- closeStroke: function SVGGraphics_closeStroke() {
- this.closePath();
- this.stroke();
- },
- closeFillStroke: function SVGGraphics_closeFillStroke() {
- this.closePath();
- this.fillStroke();
- },
- paintSolidColorImageMask: function SVGGraphics_paintSolidColorImageMask() {
- var current = this.current;
- var rect = document.createElementNS(NS, 'svg:rect');
- rect.setAttributeNS(null, 'x', '0');
- rect.setAttributeNS(null, 'y', '0');
- rect.setAttributeNS(null, 'width', '1px');
- rect.setAttributeNS(null, 'height', '1px');
- rect.setAttributeNS(null, 'fill', current.fillColor);
- this._ensureTransformGroup().appendChild(rect);
- },
- paintJpegXObject: function SVGGraphics_paintJpegXObject(objId, w, h) {
- var imgObj = this.objs.get(objId);
- var imgEl = document.createElementNS(NS, 'svg:image');
- imgEl.setAttributeNS(XLINK_NS, 'xlink:href', imgObj.src);
- imgEl.setAttributeNS(null, 'width', pf(w));
- imgEl.setAttributeNS(null, 'height', pf(h));
- imgEl.setAttributeNS(null, 'x', '0');
- imgEl.setAttributeNS(null, 'y', pf(-h));
- imgEl.setAttributeNS(null, 'transform', 'scale(' + pf(1 / w) + ' ' + pf(-1 / h) + ')');
- this._ensureTransformGroup().appendChild(imgEl);
- },
- paintImageXObject: function SVGGraphics_paintImageXObject(objId) {
- var imgData = this.objs.get(objId);
- if (!imgData) {
- (0, _util.warn)('Dependent image isn\'t ready yet');
- return;
- }
- this.paintInlineImageXObject(imgData);
- },
- paintInlineImageXObject: function SVGGraphics_paintInlineImageXObject(imgData, mask) {
- var width = imgData.width;
- var height = imgData.height;
- var imgSrc = convertImgDataToPng(imgData, this.forceDataSchema);
- var cliprect = document.createElementNS(NS, 'svg:rect');
- cliprect.setAttributeNS(null, 'x', '0');
- cliprect.setAttributeNS(null, 'y', '0');
- cliprect.setAttributeNS(null, 'width', pf(width));
- cliprect.setAttributeNS(null, 'height', pf(height));
- this.current.element = cliprect;
- this.clip('nonzero');
- var imgEl = document.createElementNS(NS, 'svg:image');
- imgEl.setAttributeNS(XLINK_NS, 'xlink:href', imgSrc);
- imgEl.setAttributeNS(null, 'x', '0');
- imgEl.setAttributeNS(null, 'y', pf(-height));
- imgEl.setAttributeNS(null, 'width', pf(width) + 'px');
- imgEl.setAttributeNS(null, 'height', pf(height) + 'px');
- imgEl.setAttributeNS(null, 'transform', 'scale(' + pf(1 / width) + ' ' + pf(-1 / height) + ')');
- if (mask) {
- mask.appendChild(imgEl);
- } else {
- this._ensureTransformGroup().appendChild(imgEl);
- }
- },
- paintImageMaskXObject: function SVGGraphics_paintImageMaskXObject(imgData) {
- var current = this.current;
- var width = imgData.width;
- var height = imgData.height;
- var fillColor = current.fillColor;
- current.maskId = 'mask' + maskCount++;
- var mask = document.createElementNS(NS, 'svg:mask');
- mask.setAttributeNS(null, 'id', current.maskId);
- var rect = document.createElementNS(NS, 'svg:rect');
- rect.setAttributeNS(null, 'x', '0');
- rect.setAttributeNS(null, 'y', '0');
- rect.setAttributeNS(null, 'width', pf(width));
- rect.setAttributeNS(null, 'height', pf(height));
- rect.setAttributeNS(null, 'fill', fillColor);
- rect.setAttributeNS(null, 'mask', 'url(#' + current.maskId + ')');
- this.defs.appendChild(mask);
- this._ensureTransformGroup().appendChild(rect);
- this.paintInlineImageXObject(imgData, mask);
- },
- paintFormXObjectBegin: function SVGGraphics_paintFormXObjectBegin(matrix, bbox) {
- if ((0, _util.isArray)(matrix) && matrix.length === 6) {
- this.transform(matrix[0], matrix[1], matrix[2], matrix[3], matrix[4], matrix[5]);
- }
- if ((0, _util.isArray)(bbox) && bbox.length === 4) {
- var width = bbox[2] - bbox[0];
- var height = bbox[3] - bbox[1];
- var cliprect = document.createElementNS(NS, 'svg:rect');
- cliprect.setAttributeNS(null, 'x', bbox[0]);
- cliprect.setAttributeNS(null, 'y', bbox[1]);
- cliprect.setAttributeNS(null, 'width', pf(width));
- cliprect.setAttributeNS(null, 'height', pf(height));
- this.current.element = cliprect;
- this.clip('nonzero');
- this.endPath();
- }
- },
- paintFormXObjectEnd: function SVGGraphics_paintFormXObjectEnd() {},
- _initialize: function SVGGraphics_initialize(viewport) {
- var svg = document.createElementNS(NS, 'svg:svg');
- svg.setAttributeNS(null, 'version', '1.1');
- svg.setAttributeNS(null, 'width', viewport.width + 'px');
- svg.setAttributeNS(null, 'height', viewport.height + 'px');
- svg.setAttributeNS(null, 'preserveAspectRatio', 'none');
- svg.setAttributeNS(null, 'viewBox', '0 0 ' + viewport.width + ' ' + viewport.height);
- var definitions = document.createElementNS(NS, 'svg:defs');
- svg.appendChild(definitions);
- this.defs = definitions;
- var rootGroup = document.createElementNS(NS, 'svg:g');
- rootGroup.setAttributeNS(null, 'transform', pm(viewport.transform));
- svg.appendChild(rootGroup);
- this.svg = rootGroup;
- return svg;
- },
- _ensureClipGroup: function SVGGraphics_ensureClipGroup() {
- if (!this.current.clipGroup) {
- var clipGroup = document.createElementNS(NS, 'svg:g');
- clipGroup.setAttributeNS(null, 'clip-path', this.current.activeClipUrl);
- this.svg.appendChild(clipGroup);
- this.current.clipGroup = clipGroup;
- }
- return this.current.clipGroup;
- },
- _ensureTransformGroup: function SVGGraphics_ensureTransformGroup() {
- if (!this.tgrp) {
- this.tgrp = document.createElementNS(NS, 'svg:g');
- this.tgrp.setAttributeNS(null, 'transform', pm(this.transformMatrix));
- if (this.current.activeClipUrl) {
- this._ensureClipGroup().appendChild(this.tgrp);
- } else {
- this.svg.appendChild(this.tgrp);
- }
- }
- return this.tgrp;
- }
- };
- return SVGGraphics;
- }();
}
-exports.SVGGraphics = SVGGraphics;
-/***/ }),
-/* 5 */
-/***/ (function(module, exports, __w_pdfjs_require__) {
+exports.BaseCMapReaderFactory = BaseCMapReaderFactory;
-"use strict";
+class BaseStandardFontDataFactory {
+ constructor({
+ baseUrl = null
+ }) {
+ if (this.constructor === BaseStandardFontDataFactory) {
+ (0, _util.unreachable)("Cannot initialize BaseStandardFontDataFactory.");
+ }
-
-Object.defineProperty(exports, "__esModule", {
- value: true
-});
-exports.renderTextLayer = undefined;
-
-var _util = __w_pdfjs_require__(0);
-
-var _dom_utils = __w_pdfjs_require__(1);
-
-var renderTextLayer = function renderTextLayerClosure() {
- var MAX_TEXT_DIVS_TO_RENDER = 100000;
- var NonWhitespaceRegexp = /\S/;
- function isAllWhitespace(str) {
- return !NonWhitespaceRegexp.test(str);
+ this.baseUrl = baseUrl;
}
- var styleBuf = ['left: ', 0, 'px; top: ', 0, 'px; font-size: ', 0, 'px; font-family: ', '', ';'];
- function appendText(task, geom, styles) {
- var textDiv = document.createElement('div');
- var textDivProperties = {
- style: null,
- angle: 0,
- canvasWidth: 0,
- isWhitespace: false,
- originalTransform: null,
- paddingBottom: 0,
- paddingLeft: 0,
- paddingRight: 0,
- paddingTop: 0,
- scale: 1
- };
- task._textDivs.push(textDiv);
- if (isAllWhitespace(geom.str)) {
- textDivProperties.isWhitespace = true;
- task._textDivProperties.set(textDiv, textDivProperties);
- return;
+
+ async fetch({
+ filename
+ }) {
+ if (!this.baseUrl) {
+ throw new Error('The standard font "baseUrl" parameter must be specified, ensure that ' + 'the "standardFontDataUrl" API parameter is provided.');
}
- var tx = _util.Util.transform(task._viewport.transform, geom.transform);
- var angle = Math.atan2(tx[1], tx[0]);
- var style = styles[geom.fontName];
- if (style.vertical) {
- angle += Math.PI / 2;
+
+ if (!filename) {
+ throw new Error("Font filename must be specified.");
}
- var fontHeight = Math.sqrt(tx[2] * tx[2] + tx[3] * tx[3]);
- var fontAscent = fontHeight;
- if (style.ascent) {
- fontAscent = style.ascent * fontAscent;
- } else if (style.descent) {
- fontAscent = (1 + style.descent) * fontAscent;
- }
- var left;
- var top;
- if (angle === 0) {
- left = tx[4];
- top = tx[5] - fontAscent;
- } else {
- left = tx[4] + fontAscent * Math.sin(angle);
- top = tx[5] - fontAscent * Math.cos(angle);
- }
- styleBuf[1] = left;
- styleBuf[3] = top;
- styleBuf[5] = fontHeight;
- styleBuf[7] = style.fontFamily;
- textDivProperties.style = styleBuf.join('');
- textDiv.setAttribute('style', textDivProperties.style);
- textDiv.textContent = geom.str;
- if ((0, _dom_utils.getDefaultSetting)('pdfBug')) {
- textDiv.dataset.fontName = geom.fontName;
- }
- if (angle !== 0) {
- textDivProperties.angle = angle * (180 / Math.PI);
- }
- if (geom.str.length > 1) {
- if (style.vertical) {
- textDivProperties.canvasWidth = geom.height * task._viewport.scale;
- } else {
- textDivProperties.canvasWidth = geom.width * task._viewport.scale;
- }
- }
- task._textDivProperties.set(textDiv, textDivProperties);
- if (task._textContentStream) {
- task._layoutText(textDiv);
- }
- if (task._enhanceTextSelection) {
- var angleCos = 1,
- angleSin = 0;
- if (angle !== 0) {
- angleCos = Math.cos(angle);
- angleSin = Math.sin(angle);
- }
- var divWidth = (style.vertical ? geom.height : geom.width) * task._viewport.scale;
- var divHeight = fontHeight;
- var m, b;
- if (angle !== 0) {
- m = [angleCos, angleSin, -angleSin, angleCos, left, top];
- b = _util.Util.getAxialAlignedBoundingBox([0, 0, divWidth, divHeight], m);
- } else {
- b = [left, top, left + divWidth, top + divHeight];
- }
- task._bounds.push({
- left: b[0],
- top: b[1],
- right: b[2],
- bottom: b[3],
- div: textDiv,
- size: [divWidth, divHeight],
- m: m
- });
- }
- }
- function render(task) {
- if (task._canceled) {
- return;
- }
- var textDivs = task._textDivs;
- var capability = task._capability;
- var textDivsLength = textDivs.length;
- if (textDivsLength > MAX_TEXT_DIVS_TO_RENDER) {
- task._renderingDone = true;
- capability.resolve();
- return;
- }
- if (!task._textContentStream) {
- for (var i = 0; i < textDivsLength; i++) {
- task._layoutText(textDivs[i]);
- }
- }
- task._renderingDone = true;
- capability.resolve();
- }
- function expand(task) {
- var bounds = task._bounds;
- var viewport = task._viewport;
- var expanded = expandBounds(viewport.width, viewport.height, bounds);
- for (var i = 0; i < expanded.length; i++) {
- var div = bounds[i].div;
- var divProperties = task._textDivProperties.get(div);
- if (divProperties.angle === 0) {
- divProperties.paddingLeft = bounds[i].left - expanded[i].left;
- divProperties.paddingTop = bounds[i].top - expanded[i].top;
- divProperties.paddingRight = expanded[i].right - bounds[i].right;
- divProperties.paddingBottom = expanded[i].bottom - bounds[i].bottom;
- task._textDivProperties.set(div, divProperties);
- continue;
- }
- var e = expanded[i],
- b = bounds[i];
- var m = b.m,
- c = m[0],
- s = m[1];
- var points = [[0, 0], [0, b.size[1]], [b.size[0], 0], b.size];
- var ts = new Float64Array(64);
- points.forEach(function (p, i) {
- var t = _util.Util.applyTransform(p, m);
- ts[i + 0] = c && (e.left - t[0]) / c;
- ts[i + 4] = s && (e.top - t[1]) / s;
- ts[i + 8] = c && (e.right - t[0]) / c;
- ts[i + 12] = s && (e.bottom - t[1]) / s;
- ts[i + 16] = s && (e.left - t[0]) / -s;
- ts[i + 20] = c && (e.top - t[1]) / c;
- ts[i + 24] = s && (e.right - t[0]) / -s;
- ts[i + 28] = c && (e.bottom - t[1]) / c;
- ts[i + 32] = c && (e.left - t[0]) / -c;
- ts[i + 36] = s && (e.top - t[1]) / -s;
- ts[i + 40] = c && (e.right - t[0]) / -c;
- ts[i + 44] = s && (e.bottom - t[1]) / -s;
- ts[i + 48] = s && (e.left - t[0]) / s;
- ts[i + 52] = c && (e.top - t[1]) / -c;
- ts[i + 56] = s && (e.right - t[0]) / s;
- ts[i + 60] = c && (e.bottom - t[1]) / -c;
- });
- var findPositiveMin = function findPositiveMin(ts, offset, count) {
- var result = 0;
- for (var i = 0; i < count; i++) {
- var t = ts[offset++];
- if (t > 0) {
- result = result ? Math.min(t, result) : t;
- }
- }
- return result;
- };
- var boxScale = 1 + Math.min(Math.abs(c), Math.abs(s));
- divProperties.paddingLeft = findPositiveMin(ts, 32, 16) / boxScale;
- divProperties.paddingTop = findPositiveMin(ts, 48, 16) / boxScale;
- divProperties.paddingRight = findPositiveMin(ts, 0, 16) / boxScale;
- divProperties.paddingBottom = findPositiveMin(ts, 16, 16) / boxScale;
- task._textDivProperties.set(div, divProperties);
- }
- }
- function expandBounds(width, height, boxes) {
- var bounds = boxes.map(function (box, i) {
- return {
- x1: box.left,
- y1: box.top,
- x2: box.right,
- y2: box.bottom,
- index: i,
- x1New: undefined,
- x2New: undefined
- };
- });
- expandBoundsLTR(width, bounds);
- var expanded = new Array(boxes.length);
- bounds.forEach(function (b) {
- var i = b.index;
- expanded[i] = {
- left: b.x1New,
- top: 0,
- right: b.x2New,
- bottom: 0
- };
- });
- boxes.map(function (box, i) {
- var e = expanded[i],
- b = bounds[i];
- b.x1 = box.top;
- b.y1 = width - e.right;
- b.x2 = box.bottom;
- b.y2 = width - e.left;
- b.index = i;
- b.x1New = undefined;
- b.x2New = undefined;
- });
- expandBoundsLTR(height, bounds);
- bounds.forEach(function (b) {
- var i = b.index;
- expanded[i].top = b.x1New;
- expanded[i].bottom = b.x2New;
- });
- return expanded;
- }
- function expandBoundsLTR(width, bounds) {
- bounds.sort(function (a, b) {
- return a.x1 - b.x1 || a.index - b.index;
- });
- var fakeBoundary = {
- x1: -Infinity,
- y1: -Infinity,
- x2: 0,
- y2: Infinity,
- index: -1,
- x1New: 0,
- x2New: 0
- };
- var horizon = [{
- start: -Infinity,
- end: Infinity,
- boundary: fakeBoundary
- }];
- bounds.forEach(function (boundary) {
- var i = 0;
- while (i < horizon.length && horizon[i].end <= boundary.y1) {
- i++;
- }
- var j = horizon.length - 1;
- while (j >= 0 && horizon[j].start >= boundary.y2) {
- j--;
- }
- var horizonPart, affectedBoundary;
- var q,
- k,
- maxXNew = -Infinity;
- for (q = i; q <= j; q++) {
- horizonPart = horizon[q];
- affectedBoundary = horizonPart.boundary;
- var xNew;
- if (affectedBoundary.x2 > boundary.x1) {
- xNew = affectedBoundary.index > boundary.index ? affectedBoundary.x1New : boundary.x1;
- } else if (affectedBoundary.x2New === undefined) {
- xNew = (affectedBoundary.x2 + boundary.x1) / 2;
- } else {
- xNew = affectedBoundary.x2New;
- }
- if (xNew > maxXNew) {
- maxXNew = xNew;
- }
- }
- boundary.x1New = maxXNew;
- for (q = i; q <= j; q++) {
- horizonPart = horizon[q];
- affectedBoundary = horizonPart.boundary;
- if (affectedBoundary.x2New === undefined) {
- if (affectedBoundary.x2 > boundary.x1) {
- if (affectedBoundary.index > boundary.index) {
- affectedBoundary.x2New = affectedBoundary.x2;
- }
- } else {
- affectedBoundary.x2New = maxXNew;
- }
- } else if (affectedBoundary.x2New > maxXNew) {
- affectedBoundary.x2New = Math.max(maxXNew, affectedBoundary.x2);
- }
- }
- var changedHorizon = [],
- lastBoundary = null;
- for (q = i; q <= j; q++) {
- horizonPart = horizon[q];
- affectedBoundary = horizonPart.boundary;
- var useBoundary = affectedBoundary.x2 > boundary.x2 ? affectedBoundary : boundary;
- if (lastBoundary === useBoundary) {
- changedHorizon[changedHorizon.length - 1].end = horizonPart.end;
- } else {
- changedHorizon.push({
- start: horizonPart.start,
- end: horizonPart.end,
- boundary: useBoundary
- });
- lastBoundary = useBoundary;
- }
- }
- if (horizon[i].start < boundary.y1) {
- changedHorizon[0].start = boundary.y1;
- changedHorizon.unshift({
- start: horizon[i].start,
- end: boundary.y1,
- boundary: horizon[i].boundary
- });
- }
- if (boundary.y2 < horizon[j].end) {
- changedHorizon[changedHorizon.length - 1].end = boundary.y2;
- changedHorizon.push({
- start: boundary.y2,
- end: horizon[j].end,
- boundary: horizon[j].boundary
- });
- }
- for (q = i; q <= j; q++) {
- horizonPart = horizon[q];
- affectedBoundary = horizonPart.boundary;
- if (affectedBoundary.x2New !== undefined) {
- continue;
- }
- var used = false;
- for (k = i - 1; !used && k >= 0 && horizon[k].start >= affectedBoundary.y1; k--) {
- used = horizon[k].boundary === affectedBoundary;
- }
- for (k = j + 1; !used && k < horizon.length && horizon[k].end <= affectedBoundary.y2; k++) {
- used = horizon[k].boundary === affectedBoundary;
- }
- for (k = 0; !used && k < changedHorizon.length; k++) {
- used = changedHorizon[k].boundary === affectedBoundary;
- }
- if (!used) {
- affectedBoundary.x2New = maxXNew;
- }
- }
- Array.prototype.splice.apply(horizon, [i, j - i + 1].concat(changedHorizon));
- });
- horizon.forEach(function (horizonPart) {
- var affectedBoundary = horizonPart.boundary;
- if (affectedBoundary.x2New === undefined) {
- affectedBoundary.x2New = Math.max(width, affectedBoundary.x2);
- }
+
+ const url = `${this.baseUrl}${filename}`;
+ return this._fetchData(url).catch(reason => {
+ throw new Error(`Unable to load font data at: ${url}`);
});
}
- function TextLayerRenderTask(_ref) {
- var textContent = _ref.textContent,
- textContentStream = _ref.textContentStream,
- container = _ref.container,
- viewport = _ref.viewport,
- textDivs = _ref.textDivs,
- textContentItemsStr = _ref.textContentItemsStr,
- enhanceTextSelection = _ref.enhanceTextSelection;
- this._textContent = textContent;
- this._textContentStream = textContentStream;
- this._container = container;
- this._viewport = viewport;
- this._textDivs = textDivs || [];
- this._textContentItemsStr = textContentItemsStr || [];
- this._enhanceTextSelection = !!enhanceTextSelection;
- this._reader = null;
- this._layoutTextLastFontSize = null;
- this._layoutTextLastFontFamily = null;
- this._layoutTextCtx = null;
- this._textDivProperties = new WeakMap();
- this._renderingDone = false;
- this._canceled = false;
- this._capability = (0, _util.createPromiseCapability)();
- this._renderTimer = null;
- this._bounds = [];
+ _fetchData(url) {
+ (0, _util.unreachable)("Abstract method `_fetchData` called.");
}
- TextLayerRenderTask.prototype = {
- get promise() {
- return this._capability.promise;
- },
- cancel: function TextLayer_cancel() {
- if (this._reader) {
- this._reader.cancel(new _util.AbortException('text layer task cancelled'));
- this._reader = null;
- }
- this._canceled = true;
- if (this._renderTimer !== null) {
- clearTimeout(this._renderTimer);
- this._renderTimer = null;
- }
- this._capability.reject('canceled');
- },
- _processItems: function _processItems(items, styleCache) {
- for (var i = 0, len = items.length; i < len; i++) {
- this._textContentItemsStr.push(items[i].str);
- appendText(this, items[i], styleCache);
- }
- },
- _layoutText: function _layoutText(textDiv) {
- var textLayerFrag = this._container;
- var textDivProperties = this._textDivProperties.get(textDiv);
- if (textDivProperties.isWhitespace) {
- return;
- }
- var fontSize = textDiv.style.fontSize;
- var fontFamily = textDiv.style.fontFamily;
- if (fontSize !== this._layoutTextLastFontSize || fontFamily !== this._layoutTextLastFontFamily) {
- this._layoutTextCtx.font = fontSize + ' ' + fontFamily;
- this._lastFontSize = fontSize;
- this._lastFontFamily = fontFamily;
- }
- var width = this._layoutTextCtx.measureText(textDiv.textContent).width;
- var transform = '';
- if (textDivProperties.canvasWidth !== 0 && width > 0) {
- textDivProperties.scale = textDivProperties.canvasWidth / width;
- transform = 'scaleX(' + textDivProperties.scale + ')';
- }
- if (textDivProperties.angle !== 0) {
- transform = 'rotate(' + textDivProperties.angle + 'deg) ' + transform;
- }
- if (transform !== '') {
- textDivProperties.originalTransform = transform;
- _dom_utils.CustomStyle.setProp('transform', textDiv, transform);
- }
- this._textDivProperties.set(textDiv, textDivProperties);
- textLayerFrag.appendChild(textDiv);
- },
- _render: function TextLayer_render(timeout) {
- var _this = this;
-
- var capability = (0, _util.createPromiseCapability)();
- var styleCache = Object.create(null);
- var canvas = document.createElement('canvas');
- canvas.mozOpaque = true;
- this._layoutTextCtx = canvas.getContext('2d', { alpha: false });
- if (this._textContent) {
- var textItems = this._textContent.items;
- var textStyles = this._textContent.styles;
- this._processItems(textItems, textStyles);
- capability.resolve();
- } else if (this._textContentStream) {
- var pump = function pump() {
- _this._reader.read().then(function (_ref2) {
- var value = _ref2.value,
- done = _ref2.done;
-
- if (done) {
- capability.resolve();
- return;
- }
- _util.Util.extendObj(styleCache, value.styles);
- _this._processItems(value.items, styleCache);
- pump();
- }, capability.reject);
- };
- this._reader = this._textContentStream.getReader();
- pump();
- } else {
- throw new Error('Neither "textContent" nor "textContentStream"' + ' parameters specified.');
- }
- capability.promise.then(function () {
- styleCache = null;
- if (!timeout) {
- render(_this);
- } else {
- _this._renderTimer = setTimeout(function () {
- render(_this);
- _this._renderTimer = null;
- }, timeout);
- }
- }, this._capability.reject);
- },
- expandTextDivs: function TextLayer_expandTextDivs(expandDivs) {
- if (!this._enhanceTextSelection || !this._renderingDone) {
- return;
- }
- if (this._bounds !== null) {
- expand(this);
- this._bounds = null;
- }
- for (var i = 0, ii = this._textDivs.length; i < ii; i++) {
- var div = this._textDivs[i];
- var divProperties = this._textDivProperties.get(div);
- if (divProperties.isWhitespace) {
- continue;
- }
- if (expandDivs) {
- var transform = '',
- padding = '';
- if (divProperties.scale !== 1) {
- transform = 'scaleX(' + divProperties.scale + ')';
- }
- if (divProperties.angle !== 0) {
- transform = 'rotate(' + divProperties.angle + 'deg) ' + transform;
- }
- if (divProperties.paddingLeft !== 0) {
- padding += ' padding-left: ' + divProperties.paddingLeft / divProperties.scale + 'px;';
- transform += ' translateX(' + -divProperties.paddingLeft / divProperties.scale + 'px)';
- }
- if (divProperties.paddingTop !== 0) {
- padding += ' padding-top: ' + divProperties.paddingTop + 'px;';
- transform += ' translateY(' + -divProperties.paddingTop + 'px)';
- }
- if (divProperties.paddingRight !== 0) {
- padding += ' padding-right: ' + divProperties.paddingRight / divProperties.scale + 'px;';
- }
- if (divProperties.paddingBottom !== 0) {
- padding += ' padding-bottom: ' + divProperties.paddingBottom + 'px;';
- }
- if (padding !== '') {
- div.setAttribute('style', divProperties.style + padding);
- }
- if (transform !== '') {
- _dom_utils.CustomStyle.setProp('transform', div, transform);
- }
- } else {
- div.style.padding = 0;
- _dom_utils.CustomStyle.setProp('transform', div, divProperties.originalTransform || '');
- }
- }
- }
- };
- function renderTextLayer(renderParameters) {
- var task = new TextLayerRenderTask({
- textContent: renderParameters.textContent,
- textContentStream: renderParameters.textContentStream,
- container: renderParameters.container,
- viewport: renderParameters.viewport,
- textDivs: renderParameters.textDivs,
- textContentItemsStr: renderParameters.textContentItemsStr,
- enhanceTextSelection: renderParameters.enhanceTextSelection
- });
- task._render(renderParameters.timeout);
- return task;
- }
- return renderTextLayer;
-}();
-exports.renderTextLayer = renderTextLayer;
-
-/***/ }),
-/* 6 */
-/***/ (function(module, exports, __w_pdfjs_require__) {
-
-"use strict";
-
-
-Object.defineProperty(exports, "__esModule", {
- value: true
-});
-function fixMetadata(meta) {
- return meta.replace(/>\\376\\377([^<]+)/g, function (all, codes) {
- var bytes = codes.replace(/\\([0-3])([0-7])([0-7])/g, function (code, d1, d2, d3) {
- return String.fromCharCode(d1 * 64 + d2 * 8 + d3 * 1);
- });
- var chars = '';
- for (var i = 0; i < bytes.length; i += 2) {
- var code = bytes.charCodeAt(i) * 256 + bytes.charCodeAt(i + 1);
- chars += code >= 32 && code < 127 && code !== 60 && code !== 62 && code !== 38 ? String.fromCharCode(code) : '&#x' + (0x10000 + code).toString(16).substring(1) + ';';
- }
- return '>' + chars;
- });
}
-function Metadata(meta) {
- if (typeof meta === 'string') {
- meta = fixMetadata(meta);
- var parser = new DOMParser();
- meta = parser.parseFromString(meta, 'application/xml');
- } else if (!(meta instanceof Document)) {
- throw new Error('Metadata: Invalid metadata object');
+
+exports.BaseStandardFontDataFactory = BaseStandardFontDataFactory;
+
+class BaseSVGFactory {
+ constructor() {
+ if (this.constructor === BaseSVGFactory) {
+ (0, _util.unreachable)("Cannot initialize BaseSVGFactory.");
+ }
}
- this.metaDocument = meta;
- this.metadata = Object.create(null);
- this.parse();
+
+ create(width, height, skipDimensions = false) {
+ if (width <= 0 || height <= 0) {
+ throw new Error("Invalid SVG dimensions");
+ }
+
+ const svg = this._createSVG("svg:svg");
+
+ svg.setAttribute("version", "1.1");
+
+ if (!skipDimensions) {
+ svg.setAttribute("width", `${width}px`);
+ svg.setAttribute("height", `${height}px`);
+ }
+
+ svg.setAttribute("preserveAspectRatio", "none");
+ svg.setAttribute("viewBox", `0 0 ${width} ${height}`);
+ return svg;
+ }
+
+ createElement(type) {
+ if (typeof type !== "string") {
+ throw new Error("Invalid SVG element type");
+ }
+
+ return this._createSVG(type);
+ }
+
+ _createSVG(type) {
+ (0, _util.unreachable)("Abstract method `_createSVG` called.");
+ }
+
}
-Metadata.prototype = {
- parse: function Metadata_parse() {
- var doc = this.metaDocument;
- var rdf = doc.documentElement;
- if (rdf.nodeName.toLowerCase() !== 'rdf:rdf') {
- rdf = rdf.firstChild;
- while (rdf && rdf.nodeName.toLowerCase() !== 'rdf:rdf') {
- rdf = rdf.nextSibling;
- }
- }
- var nodeName = rdf ? rdf.nodeName.toLowerCase() : null;
- if (!rdf || nodeName !== 'rdf:rdf' || !rdf.hasChildNodes()) {
- return;
- }
- var children = rdf.childNodes,
- desc,
- entry,
- name,
- i,
- ii,
- length,
- iLength;
- for (i = 0, length = children.length; i < length; i++) {
- desc = children[i];
- if (desc.nodeName.toLowerCase() !== 'rdf:description') {
- continue;
- }
- for (ii = 0, iLength = desc.childNodes.length; ii < iLength; ii++) {
- if (desc.childNodes[ii].nodeName.toLowerCase() !== '#text') {
- entry = desc.childNodes[ii];
- name = entry.nodeName.toLowerCase();
- this.metadata[name] = entry.textContent.trim();
- }
- }
- }
- },
- get: function Metadata_get(name) {
- return this.metadata[name] || null;
- },
- has: function Metadata_has(name) {
- return typeof this.metadata[name] !== 'undefined';
- }
-};
-exports.Metadata = Metadata;
-/***/ }),
-/* 7 */
-/***/ (function(module, exports, __w_pdfjs_require__) {
-
-"use strict";
-
-
-Object.defineProperty(exports, "__esModule", {
- value: true
-});
-exports.WebGLUtils = undefined;
-
-var _dom_utils = __w_pdfjs_require__(1);
-
-var _util = __w_pdfjs_require__(0);
-
-var WebGLUtils = function WebGLUtilsClosure() {
- function loadShader(gl, code, shaderType) {
- var shader = gl.createShader(shaderType);
- gl.shaderSource(shader, code);
- gl.compileShader(shader);
- var compiled = gl.getShaderParameter(shader, gl.COMPILE_STATUS);
- if (!compiled) {
- var errorMsg = gl.getShaderInfoLog(shader);
- throw new Error('Error during shader compilation: ' + errorMsg);
- }
- return shader;
- }
- function createVertexShader(gl, code) {
- return loadShader(gl, code, gl.VERTEX_SHADER);
- }
- function createFragmentShader(gl, code) {
- return loadShader(gl, code, gl.FRAGMENT_SHADER);
- }
- function createProgram(gl, shaders) {
- var program = gl.createProgram();
- for (var i = 0, ii = shaders.length; i < ii; ++i) {
- gl.attachShader(program, shaders[i]);
- }
- gl.linkProgram(program);
- var linked = gl.getProgramParameter(program, gl.LINK_STATUS);
- if (!linked) {
- var errorMsg = gl.getProgramInfoLog(program);
- throw new Error('Error during program linking: ' + errorMsg);
- }
- return program;
- }
- function createTexture(gl, image, textureId) {
- gl.activeTexture(textureId);
- var texture = gl.createTexture();
- gl.bindTexture(gl.TEXTURE_2D, texture);
- gl.texParameteri(gl.TEXTURE_2D, gl.TEXTURE_WRAP_S, gl.CLAMP_TO_EDGE);
- gl.texParameteri(gl.TEXTURE_2D, gl.TEXTURE_WRAP_T, gl.CLAMP_TO_EDGE);
- gl.texParameteri(gl.TEXTURE_2D, gl.TEXTURE_MIN_FILTER, gl.NEAREST);
- gl.texParameteri(gl.TEXTURE_2D, gl.TEXTURE_MAG_FILTER, gl.NEAREST);
- gl.texImage2D(gl.TEXTURE_2D, 0, gl.RGBA, gl.RGBA, gl.UNSIGNED_BYTE, image);
- return texture;
- }
- var currentGL, currentCanvas;
- function generateGL() {
- if (currentGL) {
- return;
- }
- currentCanvas = document.createElement('canvas');
- currentGL = currentCanvas.getContext('webgl', { premultipliedalpha: false });
- }
- var smaskVertexShaderCode = '\
- attribute vec2 a_position; \
- attribute vec2 a_texCoord; \
- \
- uniform vec2 u_resolution; \
- \
- varying vec2 v_texCoord; \
- \
- void main() { \
- vec2 clipSpace = (a_position / u_resolution) * 2.0 - 1.0; \
- gl_Position = vec4(clipSpace * vec2(1, -1), 0, 1); \
- \
- v_texCoord = a_texCoord; \
- } ';
- var smaskFragmentShaderCode = '\
- precision mediump float; \
- \
- uniform vec4 u_backdrop; \
- uniform int u_subtype; \
- uniform sampler2D u_image; \
- uniform sampler2D u_mask; \
- \
- varying vec2 v_texCoord; \
- \
- void main() { \
- vec4 imageColor = texture2D(u_image, v_texCoord); \
- vec4 maskColor = texture2D(u_mask, v_texCoord); \
- if (u_backdrop.a > 0.0) { \
- maskColor.rgb = maskColor.rgb * maskColor.a + \
- u_backdrop.rgb * (1.0 - maskColor.a); \
- } \
- float lum; \
- if (u_subtype == 0) { \
- lum = maskColor.a; \
- } else { \
- lum = maskColor.r * 0.3 + maskColor.g * 0.59 + \
- maskColor.b * 0.11; \
- } \
- imageColor.a *= lum; \
- imageColor.rgb *= imageColor.a; \
- gl_FragColor = imageColor; \
- } ';
- var smaskCache = null;
- function initSmaskGL() {
- var canvas, gl;
- generateGL();
- canvas = currentCanvas;
- currentCanvas = null;
- gl = currentGL;
- currentGL = null;
- var vertexShader = createVertexShader(gl, smaskVertexShaderCode);
- var fragmentShader = createFragmentShader(gl, smaskFragmentShaderCode);
- var program = createProgram(gl, [vertexShader, fragmentShader]);
- gl.useProgram(program);
- var cache = {};
- cache.gl = gl;
- cache.canvas = canvas;
- cache.resolutionLocation = gl.getUniformLocation(program, 'u_resolution');
- cache.positionLocation = gl.getAttribLocation(program, 'a_position');
- cache.backdropLocation = gl.getUniformLocation(program, 'u_backdrop');
- cache.subtypeLocation = gl.getUniformLocation(program, 'u_subtype');
- var texCoordLocation = gl.getAttribLocation(program, 'a_texCoord');
- var texLayerLocation = gl.getUniformLocation(program, 'u_image');
- var texMaskLocation = gl.getUniformLocation(program, 'u_mask');
- var texCoordBuffer = gl.createBuffer();
- gl.bindBuffer(gl.ARRAY_BUFFER, texCoordBuffer);
- gl.bufferData(gl.ARRAY_BUFFER, new Float32Array([0.0, 0.0, 1.0, 0.0, 0.0, 1.0, 0.0, 1.0, 1.0, 0.0, 1.0, 1.0]), gl.STATIC_DRAW);
- gl.enableVertexAttribArray(texCoordLocation);
- gl.vertexAttribPointer(texCoordLocation, 2, gl.FLOAT, false, 0, 0);
- gl.uniform1i(texLayerLocation, 0);
- gl.uniform1i(texMaskLocation, 1);
- smaskCache = cache;
- }
- function composeSMask(layer, mask, properties) {
- var width = layer.width,
- height = layer.height;
- if (!smaskCache) {
- initSmaskGL();
- }
- var cache = smaskCache,
- canvas = cache.canvas,
- gl = cache.gl;
- canvas.width = width;
- canvas.height = height;
- gl.viewport(0, 0, gl.drawingBufferWidth, gl.drawingBufferHeight);
- gl.uniform2f(cache.resolutionLocation, width, height);
- if (properties.backdrop) {
- gl.uniform4f(cache.resolutionLocation, properties.backdrop[0], properties.backdrop[1], properties.backdrop[2], 1);
- } else {
- gl.uniform4f(cache.resolutionLocation, 0, 0, 0, 0);
- }
- gl.uniform1i(cache.subtypeLocation, properties.subtype === 'Luminosity' ? 1 : 0);
- var texture = createTexture(gl, layer, gl.TEXTURE0);
- var maskTexture = createTexture(gl, mask, gl.TEXTURE1);
- var buffer = gl.createBuffer();
- gl.bindBuffer(gl.ARRAY_BUFFER, buffer);
- gl.bufferData(gl.ARRAY_BUFFER, new Float32Array([0, 0, width, 0, 0, height, 0, height, width, 0, width, height]), gl.STATIC_DRAW);
- gl.enableVertexAttribArray(cache.positionLocation);
- gl.vertexAttribPointer(cache.positionLocation, 2, gl.FLOAT, false, 0, 0);
- gl.clearColor(0, 0, 0, 0);
- gl.enable(gl.BLEND);
- gl.blendFunc(gl.ONE, gl.ONE_MINUS_SRC_ALPHA);
- gl.clear(gl.COLOR_BUFFER_BIT);
- gl.drawArrays(gl.TRIANGLES, 0, 6);
- gl.flush();
- gl.deleteTexture(texture);
- gl.deleteTexture(maskTexture);
- gl.deleteBuffer(buffer);
- return canvas;
- }
- var figuresVertexShaderCode = '\
- attribute vec2 a_position; \
- attribute vec3 a_color; \
- \
- uniform vec2 u_resolution; \
- uniform vec2 u_scale; \
- uniform vec2 u_offset; \
- \
- varying vec4 v_color; \
- \
- void main() { \
- vec2 position = (a_position + u_offset) * u_scale; \
- vec2 clipSpace = (position / u_resolution) * 2.0 - 1.0; \
- gl_Position = vec4(clipSpace * vec2(1, -1), 0, 1); \
- \
- v_color = vec4(a_color / 255.0, 1.0); \
- } ';
- var figuresFragmentShaderCode = '\
- precision mediump float; \
- \
- varying vec4 v_color; \
- \
- void main() { \
- gl_FragColor = v_color; \
- } ';
- var figuresCache = null;
- function initFiguresGL() {
- var canvas, gl;
- generateGL();
- canvas = currentCanvas;
- currentCanvas = null;
- gl = currentGL;
- currentGL = null;
- var vertexShader = createVertexShader(gl, figuresVertexShaderCode);
- var fragmentShader = createFragmentShader(gl, figuresFragmentShaderCode);
- var program = createProgram(gl, [vertexShader, fragmentShader]);
- gl.useProgram(program);
- var cache = {};
- cache.gl = gl;
- cache.canvas = canvas;
- cache.resolutionLocation = gl.getUniformLocation(program, 'u_resolution');
- cache.scaleLocation = gl.getUniformLocation(program, 'u_scale');
- cache.offsetLocation = gl.getUniformLocation(program, 'u_offset');
- cache.positionLocation = gl.getAttribLocation(program, 'a_position');
- cache.colorLocation = gl.getAttribLocation(program, 'a_color');
- figuresCache = cache;
- }
- function drawFigures(width, height, backgroundColor, figures, context) {
- if (!figuresCache) {
- initFiguresGL();
- }
- var cache = figuresCache,
- canvas = cache.canvas,
- gl = cache.gl;
- canvas.width = width;
- canvas.height = height;
- gl.viewport(0, 0, gl.drawingBufferWidth, gl.drawingBufferHeight);
- gl.uniform2f(cache.resolutionLocation, width, height);
- var count = 0;
- var i, ii, rows;
- for (i = 0, ii = figures.length; i < ii; i++) {
- switch (figures[i].type) {
- case 'lattice':
- rows = figures[i].coords.length / figures[i].verticesPerRow | 0;
- count += (rows - 1) * (figures[i].verticesPerRow - 1) * 6;
- break;
- case 'triangles':
- count += figures[i].coords.length;
- break;
- }
- }
- var coords = new Float32Array(count * 2);
- var colors = new Uint8Array(count * 3);
- var coordsMap = context.coords,
- colorsMap = context.colors;
- var pIndex = 0,
- cIndex = 0;
- for (i = 0, ii = figures.length; i < ii; i++) {
- var figure = figures[i],
- ps = figure.coords,
- cs = figure.colors;
- switch (figure.type) {
- case 'lattice':
- var cols = figure.verticesPerRow;
- rows = ps.length / cols | 0;
- for (var row = 1; row < rows; row++) {
- var offset = row * cols + 1;
- for (var col = 1; col < cols; col++, offset++) {
- coords[pIndex] = coordsMap[ps[offset - cols - 1]];
- coords[pIndex + 1] = coordsMap[ps[offset - cols - 1] + 1];
- coords[pIndex + 2] = coordsMap[ps[offset - cols]];
- coords[pIndex + 3] = coordsMap[ps[offset - cols] + 1];
- coords[pIndex + 4] = coordsMap[ps[offset - 1]];
- coords[pIndex + 5] = coordsMap[ps[offset - 1] + 1];
- colors[cIndex] = colorsMap[cs[offset - cols - 1]];
- colors[cIndex + 1] = colorsMap[cs[offset - cols - 1] + 1];
- colors[cIndex + 2] = colorsMap[cs[offset - cols - 1] + 2];
- colors[cIndex + 3] = colorsMap[cs[offset - cols]];
- colors[cIndex + 4] = colorsMap[cs[offset - cols] + 1];
- colors[cIndex + 5] = colorsMap[cs[offset - cols] + 2];
- colors[cIndex + 6] = colorsMap[cs[offset - 1]];
- colors[cIndex + 7] = colorsMap[cs[offset - 1] + 1];
- colors[cIndex + 8] = colorsMap[cs[offset - 1] + 2];
- coords[pIndex + 6] = coords[pIndex + 2];
- coords[pIndex + 7] = coords[pIndex + 3];
- coords[pIndex + 8] = coords[pIndex + 4];
- coords[pIndex + 9] = coords[pIndex + 5];
- coords[pIndex + 10] = coordsMap[ps[offset]];
- coords[pIndex + 11] = coordsMap[ps[offset] + 1];
- colors[cIndex + 9] = colors[cIndex + 3];
- colors[cIndex + 10] = colors[cIndex + 4];
- colors[cIndex + 11] = colors[cIndex + 5];
- colors[cIndex + 12] = colors[cIndex + 6];
- colors[cIndex + 13] = colors[cIndex + 7];
- colors[cIndex + 14] = colors[cIndex + 8];
- colors[cIndex + 15] = colorsMap[cs[offset]];
- colors[cIndex + 16] = colorsMap[cs[offset] + 1];
- colors[cIndex + 17] = colorsMap[cs[offset] + 2];
- pIndex += 12;
- cIndex += 18;
- }
- }
- break;
- case 'triangles':
- for (var j = 0, jj = ps.length; j < jj; j++) {
- coords[pIndex] = coordsMap[ps[j]];
- coords[pIndex + 1] = coordsMap[ps[j] + 1];
- colors[cIndex] = colorsMap[cs[j]];
- colors[cIndex + 1] = colorsMap[cs[j] + 1];
- colors[cIndex + 2] = colorsMap[cs[j] + 2];
- pIndex += 2;
- cIndex += 3;
- }
- break;
- }
- }
- if (backgroundColor) {
- gl.clearColor(backgroundColor[0] / 255, backgroundColor[1] / 255, backgroundColor[2] / 255, 1.0);
- } else {
- gl.clearColor(0, 0, 0, 0);
- }
- gl.clear(gl.COLOR_BUFFER_BIT);
- var coordsBuffer = gl.createBuffer();
- gl.bindBuffer(gl.ARRAY_BUFFER, coordsBuffer);
- gl.bufferData(gl.ARRAY_BUFFER, coords, gl.STATIC_DRAW);
- gl.enableVertexAttribArray(cache.positionLocation);
- gl.vertexAttribPointer(cache.positionLocation, 2, gl.FLOAT, false, 0, 0);
- var colorsBuffer = gl.createBuffer();
- gl.bindBuffer(gl.ARRAY_BUFFER, colorsBuffer);
- gl.bufferData(gl.ARRAY_BUFFER, colors, gl.STATIC_DRAW);
- gl.enableVertexAttribArray(cache.colorLocation);
- gl.vertexAttribPointer(cache.colorLocation, 3, gl.UNSIGNED_BYTE, false, 0, 0);
- gl.uniform2f(cache.scaleLocation, context.scaleX, context.scaleY);
- gl.uniform2f(cache.offsetLocation, context.offsetX, context.offsetY);
- gl.drawArrays(gl.TRIANGLES, 0, count);
- gl.flush();
- gl.deleteBuffer(coordsBuffer);
- gl.deleteBuffer(colorsBuffer);
- return canvas;
- }
- function cleanup() {
- if (smaskCache && smaskCache.canvas) {
- smaskCache.canvas.width = 0;
- smaskCache.canvas.height = 0;
- }
- if (figuresCache && figuresCache.canvas) {
- figuresCache.canvas.width = 0;
- figuresCache.canvas.height = 0;
- }
- smaskCache = null;
- figuresCache = null;
- }
- return {
- get isEnabled() {
- if ((0, _dom_utils.getDefaultSetting)('disableWebGL')) {
- return false;
- }
- var enabled = false;
- try {
- generateGL();
- enabled = !!currentGL;
- } catch (e) {}
- return (0, _util.shadow)(this, 'isEnabled', enabled);
- },
- composeSMask: composeSMask,
- drawFigures: drawFigures,
- clear: cleanup
- };
-}();
-exports.WebGLUtils = WebGLUtils;
-
-/***/ }),
-/* 8 */
-/***/ (function(module, exports, __w_pdfjs_require__) {
-
-"use strict";
-
-
-Object.defineProperty(exports, "__esModule", {
- value: true
-});
-exports.PDFJS = exports.isWorker = exports.globalScope = undefined;
-
-var _api = __w_pdfjs_require__(2);
-
-var _dom_utils = __w_pdfjs_require__(1);
-
-var _util = __w_pdfjs_require__(0);
-
-var _annotation_layer = __w_pdfjs_require__(3);
-
-var _metadata = __w_pdfjs_require__(6);
-
-var _text_layer = __w_pdfjs_require__(5);
-
-var _svg = __w_pdfjs_require__(4);
-
-var isWorker = typeof window === 'undefined';
-if (!_util.globalScope.PDFJS) {
- _util.globalScope.PDFJS = {};
-}
-var PDFJS = _util.globalScope.PDFJS;
-{
- PDFJS.version = '1.9.426';
- PDFJS.build = '2558a58d';
-}
-PDFJS.pdfBug = false;
-if (PDFJS.verbosity !== undefined) {
- (0, _util.setVerbosityLevel)(PDFJS.verbosity);
-}
-delete PDFJS.verbosity;
-Object.defineProperty(PDFJS, 'verbosity', {
- get: function get() {
- return (0, _util.getVerbosityLevel)();
- },
- set: function set(level) {
- (0, _util.setVerbosityLevel)(level);
- },
-
- enumerable: true,
- configurable: true
-});
-PDFJS.VERBOSITY_LEVELS = _util.VERBOSITY_LEVELS;
-PDFJS.OPS = _util.OPS;
-PDFJS.UNSUPPORTED_FEATURES = _util.UNSUPPORTED_FEATURES;
-PDFJS.isValidUrl = _dom_utils.isValidUrl;
-PDFJS.shadow = _util.shadow;
-PDFJS.createBlob = _util.createBlob;
-PDFJS.createObjectURL = function PDFJS_createObjectURL(data, contentType) {
- return (0, _util.createObjectURL)(data, contentType, PDFJS.disableCreateObjectURL);
-};
-Object.defineProperty(PDFJS, 'isLittleEndian', {
- configurable: true,
- get: function PDFJS_isLittleEndian() {
- return (0, _util.shadow)(PDFJS, 'isLittleEndian', (0, _util.isLittleEndian)());
- }
-});
-PDFJS.removeNullCharacters = _util.removeNullCharacters;
-PDFJS.PasswordResponses = _util.PasswordResponses;
-PDFJS.PasswordException = _util.PasswordException;
-PDFJS.UnknownErrorException = _util.UnknownErrorException;
-PDFJS.InvalidPDFException = _util.InvalidPDFException;
-PDFJS.MissingPDFException = _util.MissingPDFException;
-PDFJS.UnexpectedResponseException = _util.UnexpectedResponseException;
-PDFJS.Util = _util.Util;
-PDFJS.PageViewport = _util.PageViewport;
-PDFJS.createPromiseCapability = _util.createPromiseCapability;
-PDFJS.maxImageSize = PDFJS.maxImageSize === undefined ? -1 : PDFJS.maxImageSize;
-PDFJS.cMapUrl = PDFJS.cMapUrl === undefined ? null : PDFJS.cMapUrl;
-PDFJS.cMapPacked = PDFJS.cMapPacked === undefined ? false : PDFJS.cMapPacked;
-PDFJS.disableFontFace = PDFJS.disableFontFace === undefined ? false : PDFJS.disableFontFace;
-PDFJS.imageResourcesPath = PDFJS.imageResourcesPath === undefined ? '' : PDFJS.imageResourcesPath;
-PDFJS.disableWorker = PDFJS.disableWorker === undefined ? false : PDFJS.disableWorker;
-PDFJS.workerSrc = PDFJS.workerSrc === undefined ? null : PDFJS.workerSrc;
-PDFJS.workerPort = PDFJS.workerPort === undefined ? null : PDFJS.workerPort;
-PDFJS.disableRange = PDFJS.disableRange === undefined ? false : PDFJS.disableRange;
-PDFJS.disableStream = PDFJS.disableStream === undefined ? false : PDFJS.disableStream;
-PDFJS.disableAutoFetch = PDFJS.disableAutoFetch === undefined ? false : PDFJS.disableAutoFetch;
-PDFJS.pdfBug = PDFJS.pdfBug === undefined ? false : PDFJS.pdfBug;
-PDFJS.postMessageTransfers = PDFJS.postMessageTransfers === undefined ? true : PDFJS.postMessageTransfers;
-PDFJS.disableCreateObjectURL = PDFJS.disableCreateObjectURL === undefined ? false : PDFJS.disableCreateObjectURL;
-PDFJS.disableWebGL = PDFJS.disableWebGL === undefined ? true : PDFJS.disableWebGL;
-PDFJS.externalLinkTarget = PDFJS.externalLinkTarget === undefined ? _dom_utils.LinkTarget.NONE : PDFJS.externalLinkTarget;
-PDFJS.externalLinkRel = PDFJS.externalLinkRel === undefined ? _dom_utils.DEFAULT_LINK_REL : PDFJS.externalLinkRel;
-PDFJS.isEvalSupported = PDFJS.isEvalSupported === undefined ? true : PDFJS.isEvalSupported;
-PDFJS.pdfjsNext = PDFJS.pdfjsNext === undefined ? false : PDFJS.pdfjsNext;
-{
- var savedOpenExternalLinksInNewWindow = PDFJS.openExternalLinksInNewWindow;
- delete PDFJS.openExternalLinksInNewWindow;
- Object.defineProperty(PDFJS, 'openExternalLinksInNewWindow', {
- get: function get() {
- return PDFJS.externalLinkTarget === _dom_utils.LinkTarget.BLANK;
- },
- set: function set(value) {
- if (value) {
- (0, _util.deprecated)('PDFJS.openExternalLinksInNewWindow, please use ' + '"PDFJS.externalLinkTarget = PDFJS.LinkTarget.BLANK" instead.');
- }
- if (PDFJS.externalLinkTarget !== _dom_utils.LinkTarget.NONE) {
- (0, _util.warn)('PDFJS.externalLinkTarget is already initialized');
- return;
- }
- PDFJS.externalLinkTarget = value ? _dom_utils.LinkTarget.BLANK : _dom_utils.LinkTarget.NONE;
- },
-
- enumerable: true,
- configurable: true
- });
- if (savedOpenExternalLinksInNewWindow) {
- PDFJS.openExternalLinksInNewWindow = savedOpenExternalLinksInNewWindow;
- }
-}
-PDFJS.getDocument = _api.getDocument;
-PDFJS.LoopbackPort = _api.LoopbackPort;
-PDFJS.PDFDataRangeTransport = _api.PDFDataRangeTransport;
-PDFJS.PDFWorker = _api.PDFWorker;
-PDFJS.hasCanvasTypedArrays = true;
-PDFJS.CustomStyle = _dom_utils.CustomStyle;
-PDFJS.LinkTarget = _dom_utils.LinkTarget;
-PDFJS.addLinkAttributes = _dom_utils.addLinkAttributes;
-PDFJS.getFilenameFromUrl = _dom_utils.getFilenameFromUrl;
-PDFJS.isExternalLinkTargetSet = _dom_utils.isExternalLinkTargetSet;
-PDFJS.AnnotationLayer = _annotation_layer.AnnotationLayer;
-PDFJS.renderTextLayer = _text_layer.renderTextLayer;
-PDFJS.Metadata = _metadata.Metadata;
-PDFJS.SVGGraphics = _svg.SVGGraphics;
-PDFJS.UnsupportedManager = _api._UnsupportedManager;
-exports.globalScope = _util.globalScope;
-exports.isWorker = isWorker;
-exports.PDFJS = PDFJS;
-
-/***/ }),
-/* 9 */
-/***/ (function(module, exports, __w_pdfjs_require__) {
-
-"use strict";
-
-
-Object.defineProperty(exports, "__esModule", {
- value: true
-});
-exports.NetworkManager = exports.PDFNetworkStream = undefined;
-
-var _util = __w_pdfjs_require__(0);
-
-var _api = __w_pdfjs_require__(2);
-
-;
-var OK_RESPONSE = 200;
-var PARTIAL_CONTENT_RESPONSE = 206;
-function NetworkManager(url, args) {
- this.url = url;
- args = args || {};
- this.isHttp = /^https?:/i.test(url);
- this.httpHeaders = this.isHttp && args.httpHeaders || {};
- this.withCredentials = args.withCredentials || false;
- this.getXhr = args.getXhr || function NetworkManager_getXhr() {
- return new XMLHttpRequest();
- };
- this.currXhrId = 0;
- this.pendingRequests = Object.create(null);
- this.loadedRequests = Object.create(null);
-}
-function getArrayBuffer(xhr) {
- var data = xhr.response;
- if (typeof data !== 'string') {
- return data;
- }
- var length = data.length;
- var array = new Uint8Array(length);
- for (var i = 0; i < length; i++) {
- array[i] = data.charCodeAt(i) & 0xFF;
- }
- return array.buffer;
-}
-var supportsMozChunked = function supportsMozChunkedClosure() {
- try {
- var x = new XMLHttpRequest();
- x.open('GET', _util.globalScope.location.href);
- x.responseType = 'moz-chunked-arraybuffer';
- return x.responseType === 'moz-chunked-arraybuffer';
- } catch (e) {
- return false;
- }
-}();
-NetworkManager.prototype = {
- requestRange: function NetworkManager_requestRange(begin, end, listeners) {
- var args = {
- begin: begin,
- end: end
- };
- for (var prop in listeners) {
- args[prop] = listeners[prop];
- }
- return this.request(args);
- },
- requestFull: function NetworkManager_requestFull(listeners) {
- return this.request(listeners);
- },
- request: function NetworkManager_request(args) {
- var xhr = this.getXhr();
- var xhrId = this.currXhrId++;
- var pendingRequest = this.pendingRequests[xhrId] = { xhr: xhr };
- xhr.open('GET', this.url);
- xhr.withCredentials = this.withCredentials;
- for (var property in this.httpHeaders) {
- var value = this.httpHeaders[property];
- if (typeof value === 'undefined') {
- continue;
- }
- xhr.setRequestHeader(property, value);
- }
- if (this.isHttp && 'begin' in args && 'end' in args) {
- var rangeStr = args.begin + '-' + (args.end - 1);
- xhr.setRequestHeader('Range', 'bytes=' + rangeStr);
- pendingRequest.expectedStatus = 206;
- } else {
- pendingRequest.expectedStatus = 200;
- }
- var useMozChunkedLoading = supportsMozChunked && !!args.onProgressiveData;
- if (useMozChunkedLoading) {
- xhr.responseType = 'moz-chunked-arraybuffer';
- pendingRequest.onProgressiveData = args.onProgressiveData;
- pendingRequest.mozChunked = true;
- } else {
- xhr.responseType = 'arraybuffer';
- }
- if (args.onError) {
- xhr.onerror = function (evt) {
- args.onError(xhr.status);
- };
- }
- xhr.onreadystatechange = this.onStateChange.bind(this, xhrId);
- xhr.onprogress = this.onProgress.bind(this, xhrId);
- pendingRequest.onHeadersReceived = args.onHeadersReceived;
- pendingRequest.onDone = args.onDone;
- pendingRequest.onError = args.onError;
- pendingRequest.onProgress = args.onProgress;
- xhr.send(null);
- return xhrId;
- },
- onProgress: function NetworkManager_onProgress(xhrId, evt) {
- var pendingRequest = this.pendingRequests[xhrId];
- if (!pendingRequest) {
- return;
- }
- if (pendingRequest.mozChunked) {
- var chunk = getArrayBuffer(pendingRequest.xhr);
- pendingRequest.onProgressiveData(chunk);
- }
- var onProgress = pendingRequest.onProgress;
- if (onProgress) {
- onProgress(evt);
- }
- },
- onStateChange: function NetworkManager_onStateChange(xhrId, evt) {
- var pendingRequest = this.pendingRequests[xhrId];
- if (!pendingRequest) {
- return;
- }
- var xhr = pendingRequest.xhr;
- if (xhr.readyState >= 2 && pendingRequest.onHeadersReceived) {
- pendingRequest.onHeadersReceived();
- delete pendingRequest.onHeadersReceived;
- }
- if (xhr.readyState !== 4) {
- return;
- }
- if (!(xhrId in this.pendingRequests)) {
- return;
- }
- delete this.pendingRequests[xhrId];
- if (xhr.status === 0 && this.isHttp) {
- if (pendingRequest.onError) {
- pendingRequest.onError(xhr.status);
- }
- return;
- }
- var xhrStatus = xhr.status || OK_RESPONSE;
- var ok_response_on_range_request = xhrStatus === OK_RESPONSE && pendingRequest.expectedStatus === PARTIAL_CONTENT_RESPONSE;
- if (!ok_response_on_range_request && xhrStatus !== pendingRequest.expectedStatus) {
- if (pendingRequest.onError) {
- pendingRequest.onError(xhr.status);
- }
- return;
- }
- this.loadedRequests[xhrId] = true;
- var chunk = getArrayBuffer(xhr);
- if (xhrStatus === PARTIAL_CONTENT_RESPONSE) {
- var rangeHeader = xhr.getResponseHeader('Content-Range');
- var matches = /bytes (\d+)-(\d+)\/(\d+)/.exec(rangeHeader);
- var begin = parseInt(matches[1], 10);
- pendingRequest.onDone({
- begin: begin,
- chunk: chunk
- });
- } else if (pendingRequest.onProgressiveData) {
- pendingRequest.onDone(null);
- } else if (chunk) {
- pendingRequest.onDone({
- begin: 0,
- chunk: chunk
- });
- } else if (pendingRequest.onError) {
- pendingRequest.onError(xhr.status);
- }
- },
- hasPendingRequests: function NetworkManager_hasPendingRequests() {
- for (var xhrId in this.pendingRequests) {
- return true;
- }
- return false;
- },
- getRequestXhr: function NetworkManager_getXhr(xhrId) {
- return this.pendingRequests[xhrId].xhr;
- },
- isStreamingRequest: function NetworkManager_isStreamingRequest(xhrId) {
- return !!this.pendingRequests[xhrId].onProgressiveData;
- },
- isPendingRequest: function NetworkManager_isPendingRequest(xhrId) {
- return xhrId in this.pendingRequests;
- },
- isLoadedRequest: function NetworkManager_isLoadedRequest(xhrId) {
- return xhrId in this.loadedRequests;
- },
- abortAllRequests: function NetworkManager_abortAllRequests() {
- for (var xhrId in this.pendingRequests) {
- this.abortRequest(xhrId | 0);
- }
- },
- abortRequest: function NetworkManager_abortRequest(xhrId) {
- var xhr = this.pendingRequests[xhrId].xhr;
- delete this.pendingRequests[xhrId];
- xhr.abort();
- }
-};
-function PDFNetworkStream(options) {
- this._options = options;
- var source = options.source;
- this._manager = new NetworkManager(source.url, {
- httpHeaders: source.httpHeaders,
- withCredentials: source.withCredentials
- });
- this._rangeChunkSize = source.rangeChunkSize;
- this._fullRequestReader = null;
- this._rangeRequestReaders = [];
-}
-PDFNetworkStream.prototype = {
- _onRangeRequestReaderClosed: function PDFNetworkStream_onRangeRequestReaderClosed(reader) {
- var i = this._rangeRequestReaders.indexOf(reader);
- if (i >= 0) {
- this._rangeRequestReaders.splice(i, 1);
- }
- },
- getFullReader: function PDFNetworkStream_getFullReader() {
- (0, _util.assert)(!this._fullRequestReader);
- this._fullRequestReader = new PDFNetworkStreamFullRequestReader(this._manager, this._options);
- return this._fullRequestReader;
- },
- getRangeReader: function PDFNetworkStream_getRangeReader(begin, end) {
- var reader = new PDFNetworkStreamRangeRequestReader(this._manager, begin, end);
- reader.onClosed = this._onRangeRequestReaderClosed.bind(this);
- this._rangeRequestReaders.push(reader);
- return reader;
- },
- cancelAllRequests: function PDFNetworkStream_cancelAllRequests(reason) {
- if (this._fullRequestReader) {
- this._fullRequestReader.cancel(reason);
- }
- var readers = this._rangeRequestReaders.slice(0);
- readers.forEach(function (reader) {
- reader.cancel(reason);
- });
- }
-};
-function PDFNetworkStreamFullRequestReader(manager, options) {
- this._manager = manager;
- var source = options.source;
- var args = {
- onHeadersReceived: this._onHeadersReceived.bind(this),
- onProgressiveData: source.disableStream ? null : this._onProgressiveData.bind(this),
- onDone: this._onDone.bind(this),
- onError: this._onError.bind(this),
- onProgress: this._onProgress.bind(this)
- };
- this._url = source.url;
- this._fullRequestId = manager.requestFull(args);
- this._headersReceivedCapability = (0, _util.createPromiseCapability)();
- this._disableRange = options.disableRange || false;
- this._contentLength = source.length;
- this._rangeChunkSize = source.rangeChunkSize;
- if (!this._rangeChunkSize && !this._disableRange) {
- this._disableRange = true;
- }
- this._isStreamingSupported = false;
- this._isRangeSupported = false;
- this._cachedChunks = [];
- this._requests = [];
- this._done = false;
- this._storedError = undefined;
- this.onProgress = null;
-}
-PDFNetworkStreamFullRequestReader.prototype = {
- _validateRangeRequestCapabilities: function PDFNetworkStreamFullRequestReader_validateRangeRequestCapabilities() {
- if (this._disableRange) {
- return false;
- }
- var networkManager = this._manager;
- if (!networkManager.isHttp) {
- return false;
- }
- var fullRequestXhrId = this._fullRequestId;
- var fullRequestXhr = networkManager.getRequestXhr(fullRequestXhrId);
- if (fullRequestXhr.getResponseHeader('Accept-Ranges') !== 'bytes') {
- return false;
- }
- var contentEncoding = fullRequestXhr.getResponseHeader('Content-Encoding') || 'identity';
- if (contentEncoding !== 'identity') {
- return false;
- }
- var length = fullRequestXhr.getResponseHeader('Content-Length');
- length = parseInt(length, 10);
- if (!(0, _util.isInt)(length)) {
- return false;
- }
- this._contentLength = length;
- if (length <= 2 * this._rangeChunkSize) {
- return false;
- }
- return true;
- },
- _onHeadersReceived: function PDFNetworkStreamFullRequestReader_onHeadersReceived() {
- if (this._validateRangeRequestCapabilities()) {
- this._isRangeSupported = true;
- }
- var networkManager = this._manager;
- var fullRequestXhrId = this._fullRequestId;
- if (networkManager.isStreamingRequest(fullRequestXhrId)) {
- this._isStreamingSupported = true;
- } else if (this._isRangeSupported) {
- networkManager.abortRequest(fullRequestXhrId);
- }
- this._headersReceivedCapability.resolve();
- },
- _onProgressiveData: function PDFNetworkStreamFullRequestReader_onProgressiveData(chunk) {
- if (this._requests.length > 0) {
- var requestCapability = this._requests.shift();
- requestCapability.resolve({
- value: chunk,
- done: false
- });
- } else {
- this._cachedChunks.push(chunk);
- }
- },
- _onDone: function PDFNetworkStreamFullRequestReader_onDone(args) {
- if (args) {
- this._onProgressiveData(args.chunk);
- }
- this._done = true;
- if (this._cachedChunks.length > 0) {
- return;
- }
- this._requests.forEach(function (requestCapability) {
- requestCapability.resolve({
- value: undefined,
- done: true
- });
- });
- this._requests = [];
- },
- _onError: function PDFNetworkStreamFullRequestReader_onError(status) {
- var url = this._url;
- var exception;
- if (status === 404 || status === 0 && /^file:/.test(url)) {
- exception = new _util.MissingPDFException('Missing PDF "' + url + '".');
- } else {
- exception = new _util.UnexpectedResponseException('Unexpected server response (' + status + ') while retrieving PDF "' + url + '".', status);
- }
- this._storedError = exception;
- this._headersReceivedCapability.reject(exception);
- this._requests.forEach(function (requestCapability) {
- requestCapability.reject(exception);
- });
- this._requests = [];
- this._cachedChunks = [];
- },
- _onProgress: function PDFNetworkStreamFullRequestReader_onProgress(data) {
- if (this.onProgress) {
- this.onProgress({
- loaded: data.loaded,
- total: data.lengthComputable ? data.total : this._contentLength
- });
- }
- },
- get isRangeSupported() {
- return this._isRangeSupported;
- },
- get isStreamingSupported() {
- return this._isStreamingSupported;
- },
- get contentLength() {
- return this._contentLength;
- },
- get headersReady() {
- return this._headersReceivedCapability.promise;
- },
- read: function PDFNetworkStreamFullRequestReader_read() {
- if (this._storedError) {
- return Promise.reject(this._storedError);
- }
- if (this._cachedChunks.length > 0) {
- var chunk = this._cachedChunks.shift();
- return Promise.resolve({
- value: chunk,
- done: false
- });
- }
- if (this._done) {
- return Promise.resolve({
- value: undefined,
- done: true
- });
- }
- var requestCapability = (0, _util.createPromiseCapability)();
- this._requests.push(requestCapability);
- return requestCapability.promise;
- },
- cancel: function PDFNetworkStreamFullRequestReader_cancel(reason) {
- this._done = true;
- this._headersReceivedCapability.reject(reason);
- this._requests.forEach(function (requestCapability) {
- requestCapability.resolve({
- value: undefined,
- done: true
- });
- });
- this._requests = [];
- if (this._manager.isPendingRequest(this._fullRequestId)) {
- this._manager.abortRequest(this._fullRequestId);
- }
- this._fullRequestReader = null;
- }
-};
-function PDFNetworkStreamRangeRequestReader(manager, begin, end) {
- this._manager = manager;
- var args = {
- onDone: this._onDone.bind(this),
- onProgress: this._onProgress.bind(this)
- };
- this._requestId = manager.requestRange(begin, end, args);
- this._requests = [];
- this._queuedChunk = null;
- this._done = false;
- this.onProgress = null;
- this.onClosed = null;
-}
-PDFNetworkStreamRangeRequestReader.prototype = {
- _close: function PDFNetworkStreamRangeRequestReader_close() {
- if (this.onClosed) {
- this.onClosed(this);
- }
- },
- _onDone: function PDFNetworkStreamRangeRequestReader_onDone(data) {
- var chunk = data.chunk;
- if (this._requests.length > 0) {
- var requestCapability = this._requests.shift();
- requestCapability.resolve({
- value: chunk,
- done: false
- });
- } else {
- this._queuedChunk = chunk;
- }
- this._done = true;
- this._requests.forEach(function (requestCapability) {
- requestCapability.resolve({
- value: undefined,
- done: true
- });
- });
- this._requests = [];
- this._close();
- },
- _onProgress: function PDFNetworkStreamRangeRequestReader_onProgress(evt) {
- if (!this.isStreamingSupported && this.onProgress) {
- this.onProgress({ loaded: evt.loaded });
- }
- },
- get isStreamingSupported() {
- return false;
- },
- read: function PDFNetworkStreamRangeRequestReader_read() {
- if (this._queuedChunk !== null) {
- var chunk = this._queuedChunk;
- this._queuedChunk = null;
- return Promise.resolve({
- value: chunk,
- done: false
- });
- }
- if (this._done) {
- return Promise.resolve({
- value: undefined,
- done: true
- });
- }
- var requestCapability = (0, _util.createPromiseCapability)();
- this._requests.push(requestCapability);
- return requestCapability.promise;
- },
- cancel: function PDFNetworkStreamRangeRequestReader_cancel(reason) {
- this._done = true;
- this._requests.forEach(function (requestCapability) {
- requestCapability.resolve({
- value: undefined,
- done: true
- });
- });
- this._requests = [];
- if (this._manager.isPendingRequest(this._requestId)) {
- this._manager.abortRequest(this._requestId);
- }
- this._close();
- }
-};
-(0, _api.setPDFNetworkStreamClass)(PDFNetworkStream);
-exports.PDFNetworkStream = PDFNetworkStream;
-exports.NetworkManager = NetworkManager;
+exports.BaseSVGFactory = BaseSVGFactory;
/***/ }),
/* 10 */
-/***/ (function(module, exports, __w_pdfjs_require__) {
-
-"use strict";
+/***/ ((__unused_webpack_module, exports, __w_pdfjs_require__) => {
-var _typeof2 = typeof Symbol === "function" && typeof Symbol.iterator === "symbol" ? function (obj) { return typeof obj; } : function (obj) { return obj && typeof Symbol === "function" && obj.constructor === Symbol && obj !== Symbol.prototype ? "symbol" : typeof obj; };
-(function (e, a) {
- for (var i in a) {
- e[i] = a[i];
- }
-})(exports, function (modules) {
- var installedModules = {};
- function __w_pdfjs_require__(moduleId) {
- if (installedModules[moduleId]) return installedModules[moduleId].exports;
- var module = installedModules[moduleId] = {
- i: moduleId,
- l: false,
- exports: {}
- };
- modules[moduleId].call(module.exports, module, module.exports, __w_pdfjs_require__);
- module.l = true;
- return module.exports;
- }
- __w_pdfjs_require__.m = modules;
- __w_pdfjs_require__.c = installedModules;
- __w_pdfjs_require__.i = function (value) {
- return value;
- };
- __w_pdfjs_require__.d = function (exports, name, getter) {
- if (!__w_pdfjs_require__.o(exports, name)) {
- Object.defineProperty(exports, name, {
- configurable: false,
- enumerable: true,
- get: getter
- });
- }
- };
- __w_pdfjs_require__.n = function (module) {
- var getter = module && module.__esModule ? function getDefault() {
- return module['default'];
- } : function getModuleExports() {
- return module;
- };
- __w_pdfjs_require__.d(getter, 'a', getter);
- return getter;
- };
- __w_pdfjs_require__.o = function (object, property) {
- return Object.prototype.hasOwnProperty.call(object, property);
- };
- __w_pdfjs_require__.p = "";
- return __w_pdfjs_require__(__w_pdfjs_require__.s = 7);
-}([function (module, exports, __w_pdfjs_require__) {
- "use strict";
+Object.defineProperty(exports, "__esModule", ({
+ value: true
+}));
+exports.MurmurHash3_64 = void 0;
- var _typeof = typeof Symbol === "function" && _typeof2(Symbol.iterator) === "symbol" ? function (obj) {
- return typeof obj === 'undefined' ? 'undefined' : _typeof2(obj);
- } : function (obj) {
- return obj && typeof Symbol === "function" && obj.constructor === Symbol && obj !== Symbol.prototype ? "symbol" : typeof obj === 'undefined' ? 'undefined' : _typeof2(obj);
- };
- var _require = __w_pdfjs_require__(1),
- assert = _require.assert;
- function IsPropertyKey(argument) {
- return typeof argument === 'string' || (typeof argument === 'undefined' ? 'undefined' : _typeof(argument)) === 'symbol';
- }
- exports.typeIsObject = function (x) {
- return (typeof x === 'undefined' ? 'undefined' : _typeof(x)) === 'object' && x !== null || typeof x === 'function';
- };
- exports.createDataProperty = function (o, p, v) {
- assert(exports.typeIsObject(o));
- Object.defineProperty(o, p, {
- value: v,
- writable: true,
- enumerable: true,
- configurable: true
- });
- };
- exports.createArrayFromList = function (elements) {
- return elements.slice();
- };
- exports.ArrayBufferCopy = function (dest, destOffset, src, srcOffset, n) {
- new Uint8Array(dest).set(new Uint8Array(src, srcOffset, n), destOffset);
- };
- exports.CreateIterResultObject = function (value, done) {
- assert(typeof done === 'boolean');
- var obj = {};
- Object.defineProperty(obj, 'value', {
- value: value,
- enumerable: true,
- writable: true,
- configurable: true
- });
- Object.defineProperty(obj, 'done', {
- value: done,
- enumerable: true,
- writable: true,
- configurable: true
- });
- return obj;
- };
- exports.IsFiniteNonNegativeNumber = function (v) {
- if (Number.isNaN(v)) {
- return false;
- }
- if (v === Infinity) {
- return false;
- }
- if (v < 0) {
- return false;
- }
- return true;
- };
- function Call(F, V, args) {
- if (typeof F !== 'function') {
- throw new TypeError('Argument is not a function');
- }
- return Function.prototype.apply.call(F, V, args);
- }
- exports.InvokeOrNoop = function (O, P, args) {
- assert(O !== undefined);
- assert(IsPropertyKey(P));
- assert(Array.isArray(args));
- var method = O[P];
- if (method === undefined) {
- return undefined;
- }
- return Call(method, O, args);
- };
- exports.PromiseInvokeOrNoop = function (O, P, args) {
- assert(O !== undefined);
- assert(IsPropertyKey(P));
- assert(Array.isArray(args));
- try {
- return Promise.resolve(exports.InvokeOrNoop(O, P, args));
- } catch (returnValueE) {
- return Promise.reject(returnValueE);
- }
- };
- exports.PromiseInvokeOrPerformFallback = function (O, P, args, F, argsF) {
- assert(O !== undefined);
- assert(IsPropertyKey(P));
- assert(Array.isArray(args));
- assert(Array.isArray(argsF));
- var method = void 0;
- try {
- method = O[P];
- } catch (methodE) {
- return Promise.reject(methodE);
- }
- if (method === undefined) {
- return F.apply(null, argsF);
- }
- try {
- return Promise.resolve(Call(method, O, args));
- } catch (e) {
- return Promise.reject(e);
- }
- };
- exports.TransferArrayBuffer = function (O) {
- return O.slice();
- };
- exports.ValidateAndNormalizeHighWaterMark = function (highWaterMark) {
- highWaterMark = Number(highWaterMark);
- if (Number.isNaN(highWaterMark) || highWaterMark < 0) {
- throw new RangeError('highWaterMark property of a queuing strategy must be non-negative and non-NaN');
- }
- return highWaterMark;
- };
- exports.ValidateAndNormalizeQueuingStrategy = function (size, highWaterMark) {
- if (size !== undefined && typeof size !== 'function') {
- throw new TypeError('size property of a queuing strategy must be a function');
- }
- highWaterMark = exports.ValidateAndNormalizeHighWaterMark(highWaterMark);
- return {
- size: size,
- highWaterMark: highWaterMark
- };
- };
-}, function (module, exports, __w_pdfjs_require__) {
- "use strict";
+var _util = __w_pdfjs_require__(1);
- function rethrowAssertionErrorRejection(e) {
- if (e && e.constructor === AssertionError) {
- setTimeout(function () {
- throw e;
- }, 0);
- }
- }
- function AssertionError(message) {
- this.name = 'AssertionError';
- this.message = message || '';
- this.stack = new Error().stack;
- }
- AssertionError.prototype = Object.create(Error.prototype);
- AssertionError.prototype.constructor = AssertionError;
- function assert(value, message) {
- if (!value) {
- throw new AssertionError(message);
- }
- }
- module.exports = {
- rethrowAssertionErrorRejection: rethrowAssertionErrorRejection,
- AssertionError: AssertionError,
- assert: assert
- };
-}, function (module, exports, __w_pdfjs_require__) {
- "use strict";
+const SEED = 0xc3d2e1f0;
+const MASK_HIGH = 0xffff0000;
+const MASK_LOW = 0xffff;
- var _createClass = function () {
- function defineProperties(target, props) {
- for (var i = 0; i < props.length; i++) {
- var descriptor = props[i];
- descriptor.enumerable = descriptor.enumerable || false;
- descriptor.configurable = true;
- if ("value" in descriptor) descriptor.writable = true;
- Object.defineProperty(target, descriptor.key, descriptor);
- }
- }
- return function (Constructor, protoProps, staticProps) {
- if (protoProps) defineProperties(Constructor.prototype, protoProps);
- if (staticProps) defineProperties(Constructor, staticProps);
- return Constructor;
- };
- }();
- function _classCallCheck(instance, Constructor) {
- if (!(instance instanceof Constructor)) {
- throw new TypeError("Cannot call a class as a function");
- }
+class MurmurHash3_64 {
+ constructor(seed) {
+ this.h1 = seed ? seed & 0xffffffff : SEED;
+ this.h2 = seed ? seed & 0xffffffff : SEED;
}
- var _require = __w_pdfjs_require__(0),
- InvokeOrNoop = _require.InvokeOrNoop,
- PromiseInvokeOrNoop = _require.PromiseInvokeOrNoop,
- ValidateAndNormalizeQueuingStrategy = _require.ValidateAndNormalizeQueuingStrategy,
- typeIsObject = _require.typeIsObject;
- var _require2 = __w_pdfjs_require__(1),
- assert = _require2.assert,
- rethrowAssertionErrorRejection = _require2.rethrowAssertionErrorRejection;
- var _require3 = __w_pdfjs_require__(3),
- DequeueValue = _require3.DequeueValue,
- EnqueueValueWithSize = _require3.EnqueueValueWithSize,
- PeekQueueValue = _require3.PeekQueueValue,
- ResetQueue = _require3.ResetQueue;
- var WritableStream = function () {
- function WritableStream() {
- var underlyingSink = arguments.length > 0 && arguments[0] !== undefined ? arguments[0] : {};
- var _ref = arguments.length > 1 && arguments[1] !== undefined ? arguments[1] : {},
- size = _ref.size,
- _ref$highWaterMark = _ref.highWaterMark,
- highWaterMark = _ref$highWaterMark === undefined ? 1 : _ref$highWaterMark;
- _classCallCheck(this, WritableStream);
- this._state = 'writable';
- this._storedError = undefined;
- this._writer = undefined;
- this._writableStreamController = undefined;
- this._writeRequests = [];
- this._inFlightWriteRequest = undefined;
- this._closeRequest = undefined;
- this._inFlightCloseRequest = undefined;
- this._pendingAbortRequest = undefined;
- this._backpressure = false;
- var type = underlyingSink.type;
- if (type !== undefined) {
- throw new RangeError('Invalid type is specified');
- }
- this._writableStreamController = new WritableStreamDefaultController(this, underlyingSink, size, highWaterMark);
- this._writableStreamController.__startSteps();
- }
- _createClass(WritableStream, [{
- key: 'abort',
- value: function abort(reason) {
- if (IsWritableStream(this) === false) {
- return Promise.reject(streamBrandCheckException('abort'));
- }
- if (IsWritableStreamLocked(this) === true) {
- return Promise.reject(new TypeError('Cannot abort a stream that already has a writer'));
- }
- return WritableStreamAbort(this, reason);
- }
- }, {
- key: 'getWriter',
- value: function getWriter() {
- if (IsWritableStream(this) === false) {
- throw streamBrandCheckException('getWriter');
- }
- return AcquireWritableStreamDefaultWriter(this);
- }
- }, {
- key: 'locked',
- get: function get() {
- if (IsWritableStream(this) === false) {
- throw streamBrandCheckException('locked');
- }
- return IsWritableStreamLocked(this);
- }
- }]);
- return WritableStream;
- }();
- module.exports = {
- AcquireWritableStreamDefaultWriter: AcquireWritableStreamDefaultWriter,
- IsWritableStream: IsWritableStream,
- IsWritableStreamLocked: IsWritableStreamLocked,
- WritableStream: WritableStream,
- WritableStreamAbort: WritableStreamAbort,
- WritableStreamDefaultControllerError: WritableStreamDefaultControllerError,
- WritableStreamDefaultWriterCloseWithErrorPropagation: WritableStreamDefaultWriterCloseWithErrorPropagation,
- WritableStreamDefaultWriterRelease: WritableStreamDefaultWriterRelease,
- WritableStreamDefaultWriterWrite: WritableStreamDefaultWriterWrite,
- WritableStreamCloseQueuedOrInFlight: WritableStreamCloseQueuedOrInFlight
- };
- function AcquireWritableStreamDefaultWriter(stream) {
- return new WritableStreamDefaultWriter(stream);
- }
- function IsWritableStream(x) {
- if (!typeIsObject(x)) {
- return false;
- }
- if (!Object.prototype.hasOwnProperty.call(x, '_writableStreamController')) {
- return false;
- }
- return true;
- }
- function IsWritableStreamLocked(stream) {
- assert(IsWritableStream(stream) === true, 'IsWritableStreamLocked should only be used on known writable streams');
- if (stream._writer === undefined) {
- return false;
- }
- return true;
- }
- function WritableStreamAbort(stream, reason) {
- var state = stream._state;
- if (state === 'closed') {
- return Promise.resolve(undefined);
- }
- if (state === 'errored') {
- return Promise.reject(stream._storedError);
- }
- var error = new TypeError('Requested to abort');
- if (stream._pendingAbortRequest !== undefined) {
- return Promise.reject(error);
- }
- assert(state === 'writable' || state === 'erroring', 'state must be writable or erroring');
- var wasAlreadyErroring = false;
- if (state === 'erroring') {
- wasAlreadyErroring = true;
- reason = undefined;
- }
- var promise = new Promise(function (resolve, reject) {
- stream._pendingAbortRequest = {
- _resolve: resolve,
- _reject: reject,
- _reason: reason,
- _wasAlreadyErroring: wasAlreadyErroring
- };
- });
- if (wasAlreadyErroring === false) {
- WritableStreamStartErroring(stream, error);
- }
- return promise;
- }
- function WritableStreamAddWriteRequest(stream) {
- assert(IsWritableStreamLocked(stream) === true);
- assert(stream._state === 'writable');
- var promise = new Promise(function (resolve, reject) {
- var writeRequest = {
- _resolve: resolve,
- _reject: reject
- };
- stream._writeRequests.push(writeRequest);
- });
- return promise;
- }
- function WritableStreamDealWithRejection(stream, error) {
- var state = stream._state;
- if (state === 'writable') {
- WritableStreamStartErroring(stream, error);
- return;
- }
- assert(state === 'erroring');
- WritableStreamFinishErroring(stream);
- }
- function WritableStreamStartErroring(stream, reason) {
- assert(stream._storedError === undefined, 'stream._storedError === undefined');
- assert(stream._state === 'writable', 'state must be writable');
- var controller = stream._writableStreamController;
- assert(controller !== undefined, 'controller must not be undefined');
- stream._state = 'erroring';
- stream._storedError = reason;
- var writer = stream._writer;
- if (writer !== undefined) {
- WritableStreamDefaultWriterEnsureReadyPromiseRejected(writer, reason);
- }
- if (WritableStreamHasOperationMarkedInFlight(stream) === false && controller._started === true) {
- WritableStreamFinishErroring(stream);
- }
- }
- function WritableStreamFinishErroring(stream) {
- assert(stream._state === 'erroring', 'stream._state === erroring');
- assert(WritableStreamHasOperationMarkedInFlight(stream) === false, 'WritableStreamHasOperationMarkedInFlight(stream) === false');
- stream._state = 'errored';
- stream._writableStreamController.__errorSteps();
- var storedError = stream._storedError;
- for (var i = 0; i < stream._writeRequests.length; i++) {
- var writeRequest = stream._writeRequests[i];
- writeRequest._reject(storedError);
- }
- stream._writeRequests = [];
- if (stream._pendingAbortRequest === undefined) {
- WritableStreamRejectCloseAndClosedPromiseIfNeeded(stream);
- return;
- }
- var abortRequest = stream._pendingAbortRequest;
- stream._pendingAbortRequest = undefined;
- if (abortRequest._wasAlreadyErroring === true) {
- abortRequest._reject(storedError);
- WritableStreamRejectCloseAndClosedPromiseIfNeeded(stream);
- return;
- }
- var promise = stream._writableStreamController.__abortSteps(abortRequest._reason);
- promise.then(function () {
- abortRequest._resolve();
- WritableStreamRejectCloseAndClosedPromiseIfNeeded(stream);
- }, function (reason) {
- abortRequest._reject(reason);
- WritableStreamRejectCloseAndClosedPromiseIfNeeded(stream);
- });
- }
- function WritableStreamFinishInFlightWrite(stream) {
- assert(stream._inFlightWriteRequest !== undefined);
- stream._inFlightWriteRequest._resolve(undefined);
- stream._inFlightWriteRequest = undefined;
- }
- function WritableStreamFinishInFlightWriteWithError(stream, error) {
- assert(stream._inFlightWriteRequest !== undefined);
- stream._inFlightWriteRequest._reject(error);
- stream._inFlightWriteRequest = undefined;
- assert(stream._state === 'writable' || stream._state === 'erroring');
- WritableStreamDealWithRejection(stream, error);
- }
- function WritableStreamFinishInFlightClose(stream) {
- assert(stream._inFlightCloseRequest !== undefined);
- stream._inFlightCloseRequest._resolve(undefined);
- stream._inFlightCloseRequest = undefined;
- var state = stream._state;
- assert(state === 'writable' || state === 'erroring');
- if (state === 'erroring') {
- stream._storedError = undefined;
- if (stream._pendingAbortRequest !== undefined) {
- stream._pendingAbortRequest._resolve();
- stream._pendingAbortRequest = undefined;
- }
- }
- stream._state = 'closed';
- var writer = stream._writer;
- if (writer !== undefined) {
- defaultWriterClosedPromiseResolve(writer);
- }
- assert(stream._pendingAbortRequest === undefined, 'stream._pendingAbortRequest === undefined');
- assert(stream._storedError === undefined, 'stream._storedError === undefined');
- }
- function WritableStreamFinishInFlightCloseWithError(stream, error) {
- assert(stream._inFlightCloseRequest !== undefined);
- stream._inFlightCloseRequest._reject(error);
- stream._inFlightCloseRequest = undefined;
- assert(stream._state === 'writable' || stream._state === 'erroring');
- if (stream._pendingAbortRequest !== undefined) {
- stream._pendingAbortRequest._reject(error);
- stream._pendingAbortRequest = undefined;
- }
- WritableStreamDealWithRejection(stream, error);
- }
- function WritableStreamCloseQueuedOrInFlight(stream) {
- if (stream._closeRequest === undefined && stream._inFlightCloseRequest === undefined) {
- return false;
- }
- return true;
- }
- function WritableStreamHasOperationMarkedInFlight(stream) {
- if (stream._inFlightWriteRequest === undefined && stream._inFlightCloseRequest === undefined) {
- return false;
- }
- return true;
- }
- function WritableStreamMarkCloseRequestInFlight(stream) {
- assert(stream._inFlightCloseRequest === undefined);
- assert(stream._closeRequest !== undefined);
- stream._inFlightCloseRequest = stream._closeRequest;
- stream._closeRequest = undefined;
- }
- function WritableStreamMarkFirstWriteRequestInFlight(stream) {
- assert(stream._inFlightWriteRequest === undefined, 'there must be no pending write request');
- assert(stream._writeRequests.length !== 0, 'writeRequests must not be empty');
- stream._inFlightWriteRequest = stream._writeRequests.shift();
- }
- function WritableStreamRejectCloseAndClosedPromiseIfNeeded(stream) {
- assert(stream._state === 'errored', '_stream_.[[state]] is `"errored"`');
- if (stream._closeRequest !== undefined) {
- assert(stream._inFlightCloseRequest === undefined);
- stream._closeRequest._reject(stream._storedError);
- stream._closeRequest = undefined;
- }
- var writer = stream._writer;
- if (writer !== undefined) {
- defaultWriterClosedPromiseReject(writer, stream._storedError);
- writer._closedPromise.catch(function () {});
- }
- }
- function WritableStreamUpdateBackpressure(stream, backpressure) {
- assert(stream._state === 'writable');
- assert(WritableStreamCloseQueuedOrInFlight(stream) === false);
- var writer = stream._writer;
- if (writer !== undefined && backpressure !== stream._backpressure) {
- if (backpressure === true) {
- defaultWriterReadyPromiseReset(writer);
- } else {
- assert(backpressure === false);
- defaultWriterReadyPromiseResolve(writer);
- }
- }
- stream._backpressure = backpressure;
- }
- var WritableStreamDefaultWriter = function () {
- function WritableStreamDefaultWriter(stream) {
- _classCallCheck(this, WritableStreamDefaultWriter);
- if (IsWritableStream(stream) === false) {
- throw new TypeError('WritableStreamDefaultWriter can only be constructed with a WritableStream instance');
- }
- if (IsWritableStreamLocked(stream) === true) {
- throw new TypeError('This stream has already been locked for exclusive writing by another writer');
- }
- this._ownerWritableStream = stream;
- stream._writer = this;
- var state = stream._state;
- if (state === 'writable') {
- if (WritableStreamCloseQueuedOrInFlight(stream) === false && stream._backpressure === true) {
- defaultWriterReadyPromiseInitialize(this);
+
+ update(input) {
+ let data, length;
+
+ if (typeof input === "string") {
+ data = new Uint8Array(input.length * 2);
+ length = 0;
+
+ for (let i = 0, ii = input.length; i < ii; i++) {
+ const code = input.charCodeAt(i);
+
+ if (code <= 0xff) {
+ data[length++] = code;
} else {
- defaultWriterReadyPromiseInitializeAsResolved(this);
+ data[length++] = code >>> 8;
+ data[length++] = code & 0xff;
}
- defaultWriterClosedPromiseInitialize(this);
- } else if (state === 'erroring') {
- defaultWriterReadyPromiseInitializeAsRejected(this, stream._storedError);
- this._readyPromise.catch(function () {});
- defaultWriterClosedPromiseInitialize(this);
- } else if (state === 'closed') {
- defaultWriterReadyPromiseInitializeAsResolved(this);
- defaultWriterClosedPromiseInitializeAsResolved(this);
- } else {
- assert(state === 'errored', 'state must be errored');
- var storedError = stream._storedError;
- defaultWriterReadyPromiseInitializeAsRejected(this, storedError);
- this._readyPromise.catch(function () {});
- defaultWriterClosedPromiseInitializeAsRejected(this, storedError);
- this._closedPromise.catch(function () {});
}
- }
- _createClass(WritableStreamDefaultWriter, [{
- key: 'abort',
- value: function abort(reason) {
- if (IsWritableStreamDefaultWriter(this) === false) {
- return Promise.reject(defaultWriterBrandCheckException('abort'));
- }
- if (this._ownerWritableStream === undefined) {
- return Promise.reject(defaultWriterLockException('abort'));
- }
- return WritableStreamDefaultWriterAbort(this, reason);
- }
- }, {
- key: 'close',
- value: function close() {
- if (IsWritableStreamDefaultWriter(this) === false) {
- return Promise.reject(defaultWriterBrandCheckException('close'));
- }
- var stream = this._ownerWritableStream;
- if (stream === undefined) {
- return Promise.reject(defaultWriterLockException('close'));
- }
- if (WritableStreamCloseQueuedOrInFlight(stream) === true) {
- return Promise.reject(new TypeError('cannot close an already-closing stream'));
- }
- return WritableStreamDefaultWriterClose(this);
- }
- }, {
- key: 'releaseLock',
- value: function releaseLock() {
- if (IsWritableStreamDefaultWriter(this) === false) {
- throw defaultWriterBrandCheckException('releaseLock');
- }
- var stream = this._ownerWritableStream;
- if (stream === undefined) {
- return;
- }
- assert(stream._writer !== undefined);
- WritableStreamDefaultWriterRelease(this);
- }
- }, {
- key: 'write',
- value: function write(chunk) {
- if (IsWritableStreamDefaultWriter(this) === false) {
- return Promise.reject(defaultWriterBrandCheckException('write'));
- }
- if (this._ownerWritableStream === undefined) {
- return Promise.reject(defaultWriterLockException('write to'));
- }
- return WritableStreamDefaultWriterWrite(this, chunk);
- }
- }, {
- key: 'closed',
- get: function get() {
- if (IsWritableStreamDefaultWriter(this) === false) {
- return Promise.reject(defaultWriterBrandCheckException('closed'));
- }
- return this._closedPromise;
- }
- }, {
- key: 'desiredSize',
- get: function get() {
- if (IsWritableStreamDefaultWriter(this) === false) {
- throw defaultWriterBrandCheckException('desiredSize');
- }
- if (this._ownerWritableStream === undefined) {
- throw defaultWriterLockException('desiredSize');
- }
- return WritableStreamDefaultWriterGetDesiredSize(this);
- }
- }, {
- key: 'ready',
- get: function get() {
- if (IsWritableStreamDefaultWriter(this) === false) {
- return Promise.reject(defaultWriterBrandCheckException('ready'));
- }
- return this._readyPromise;
- }
- }]);
- return WritableStreamDefaultWriter;
- }();
- function IsWritableStreamDefaultWriter(x) {
- if (!typeIsObject(x)) {
- return false;
- }
- if (!Object.prototype.hasOwnProperty.call(x, '_ownerWritableStream')) {
- return false;
- }
- return true;
- }
- function WritableStreamDefaultWriterAbort(writer, reason) {
- var stream = writer._ownerWritableStream;
- assert(stream !== undefined);
- return WritableStreamAbort(stream, reason);
- }
- function WritableStreamDefaultWriterClose(writer) {
- var stream = writer._ownerWritableStream;
- assert(stream !== undefined);
- var state = stream._state;
- if (state === 'closed' || state === 'errored') {
- return Promise.reject(new TypeError('The stream (in ' + state + ' state) is not in the writable state and cannot be closed'));
- }
- assert(state === 'writable' || state === 'erroring');
- assert(WritableStreamCloseQueuedOrInFlight(stream) === false);
- var promise = new Promise(function (resolve, reject) {
- var closeRequest = {
- _resolve: resolve,
- _reject: reject
- };
- stream._closeRequest = closeRequest;
- });
- if (stream._backpressure === true && state === 'writable') {
- defaultWriterReadyPromiseResolve(writer);
- }
- WritableStreamDefaultControllerClose(stream._writableStreamController);
- return promise;
- }
- function WritableStreamDefaultWriterCloseWithErrorPropagation(writer) {
- var stream = writer._ownerWritableStream;
- assert(stream !== undefined);
- var state = stream._state;
- if (WritableStreamCloseQueuedOrInFlight(stream) === true || state === 'closed') {
- return Promise.resolve();
- }
- if (state === 'errored') {
- return Promise.reject(stream._storedError);
- }
- assert(state === 'writable' || state === 'erroring');
- return WritableStreamDefaultWriterClose(writer);
- }
- function WritableStreamDefaultWriterEnsureClosedPromiseRejected(writer, error) {
- if (writer._closedPromiseState === 'pending') {
- defaultWriterClosedPromiseReject(writer, error);
+ } else if ((0, _util.isArrayBuffer)(input)) {
+ data = input.slice();
+ length = data.byteLength;
} else {
- defaultWriterClosedPromiseResetToRejected(writer, error);
+ throw new Error("Wrong data format in MurmurHash3_64_update. " + "Input must be a string or array.");
}
- writer._closedPromise.catch(function () {});
- }
- function WritableStreamDefaultWriterEnsureReadyPromiseRejected(writer, error) {
- if (writer._readyPromiseState === 'pending') {
- defaultWriterReadyPromiseReject(writer, error);
- } else {
- defaultWriterReadyPromiseResetToRejected(writer, error);
- }
- writer._readyPromise.catch(function () {});
- }
- function WritableStreamDefaultWriterGetDesiredSize(writer) {
- var stream = writer._ownerWritableStream;
- var state = stream._state;
- if (state === 'errored' || state === 'erroring') {
- return null;
- }
- if (state === 'closed') {
- return 0;
- }
- return WritableStreamDefaultControllerGetDesiredSize(stream._writableStreamController);
- }
- function WritableStreamDefaultWriterRelease(writer) {
- var stream = writer._ownerWritableStream;
- assert(stream !== undefined);
- assert(stream._writer === writer);
- var releasedError = new TypeError('Writer was released and can no longer be used to monitor the stream\'s closedness');
- WritableStreamDefaultWriterEnsureReadyPromiseRejected(writer, releasedError);
- WritableStreamDefaultWriterEnsureClosedPromiseRejected(writer, releasedError);
- stream._writer = undefined;
- writer._ownerWritableStream = undefined;
- }
- function WritableStreamDefaultWriterWrite(writer, chunk) {
- var stream = writer._ownerWritableStream;
- assert(stream !== undefined);
- var controller = stream._writableStreamController;
- var chunkSize = WritableStreamDefaultControllerGetChunkSize(controller, chunk);
- if (stream !== writer._ownerWritableStream) {
- return Promise.reject(defaultWriterLockException('write to'));
- }
- var state = stream._state;
- if (state === 'errored') {
- return Promise.reject(stream._storedError);
- }
- if (WritableStreamCloseQueuedOrInFlight(stream) === true || state === 'closed') {
- return Promise.reject(new TypeError('The stream is closing or closed and cannot be written to'));
- }
- if (state === 'erroring') {
- return Promise.reject(stream._storedError);
- }
- assert(state === 'writable');
- var promise = WritableStreamAddWriteRequest(stream);
- WritableStreamDefaultControllerWrite(controller, chunk, chunkSize);
- return promise;
- }
- var WritableStreamDefaultController = function () {
- function WritableStreamDefaultController(stream, underlyingSink, size, highWaterMark) {
- _classCallCheck(this, WritableStreamDefaultController);
- if (IsWritableStream(stream) === false) {
- throw new TypeError('WritableStreamDefaultController can only be constructed with a WritableStream instance');
- }
- if (stream._writableStreamController !== undefined) {
- throw new TypeError('WritableStreamDefaultController instances can only be created by the WritableStream constructor');
- }
- this._controlledWritableStream = stream;
- this._underlyingSink = underlyingSink;
- this._queue = undefined;
- this._queueTotalSize = undefined;
- ResetQueue(this);
- this._started = false;
- var normalizedStrategy = ValidateAndNormalizeQueuingStrategy(size, highWaterMark);
- this._strategySize = normalizedStrategy.size;
- this._strategyHWM = normalizedStrategy.highWaterMark;
- var backpressure = WritableStreamDefaultControllerGetBackpressure(this);
- WritableStreamUpdateBackpressure(stream, backpressure);
- }
- _createClass(WritableStreamDefaultController, [{
- key: 'error',
- value: function error(e) {
- if (IsWritableStreamDefaultController(this) === false) {
- throw new TypeError('WritableStreamDefaultController.prototype.error can only be used on a WritableStreamDefaultController');
- }
- var state = this._controlledWritableStream._state;
- if (state !== 'writable') {
- return;
- }
- WritableStreamDefaultControllerError(this, e);
- }
- }, {
- key: '__abortSteps',
- value: function __abortSteps(reason) {
- return PromiseInvokeOrNoop(this._underlyingSink, 'abort', [reason]);
- }
- }, {
- key: '__errorSteps',
- value: function __errorSteps() {
- ResetQueue(this);
- }
- }, {
- key: '__startSteps',
- value: function __startSteps() {
- var _this = this;
- var startResult = InvokeOrNoop(this._underlyingSink, 'start', [this]);
- var stream = this._controlledWritableStream;
- Promise.resolve(startResult).then(function () {
- assert(stream._state === 'writable' || stream._state === 'erroring');
- _this._started = true;
- WritableStreamDefaultControllerAdvanceQueueIfNeeded(_this);
- }, function (r) {
- assert(stream._state === 'writable' || stream._state === 'erroring');
- _this._started = true;
- WritableStreamDealWithRejection(stream, r);
- }).catch(rethrowAssertionErrorRejection);
- }
- }]);
- return WritableStreamDefaultController;
- }();
- function WritableStreamDefaultControllerClose(controller) {
- EnqueueValueWithSize(controller, 'close', 0);
- WritableStreamDefaultControllerAdvanceQueueIfNeeded(controller);
- }
- function WritableStreamDefaultControllerGetChunkSize(controller, chunk) {
- var strategySize = controller._strategySize;
- if (strategySize === undefined) {
- return 1;
- }
- try {
- return strategySize(chunk);
- } catch (chunkSizeE) {
- WritableStreamDefaultControllerErrorIfNeeded(controller, chunkSizeE);
- return 1;
- }
- }
- function WritableStreamDefaultControllerGetDesiredSize(controller) {
- return controller._strategyHWM - controller._queueTotalSize;
- }
- function WritableStreamDefaultControllerWrite(controller, chunk, chunkSize) {
- var writeRecord = { chunk: chunk };
- try {
- EnqueueValueWithSize(controller, writeRecord, chunkSize);
- } catch (enqueueE) {
- WritableStreamDefaultControllerErrorIfNeeded(controller, enqueueE);
- return;
- }
- var stream = controller._controlledWritableStream;
- if (WritableStreamCloseQueuedOrInFlight(stream) === false && stream._state === 'writable') {
- var backpressure = WritableStreamDefaultControllerGetBackpressure(controller);
- WritableStreamUpdateBackpressure(stream, backpressure);
- }
- WritableStreamDefaultControllerAdvanceQueueIfNeeded(controller);
- }
- function IsWritableStreamDefaultController(x) {
- if (!typeIsObject(x)) {
- return false;
- }
- if (!Object.prototype.hasOwnProperty.call(x, '_underlyingSink')) {
- return false;
- }
- return true;
- }
- function WritableStreamDefaultControllerAdvanceQueueIfNeeded(controller) {
- var stream = controller._controlledWritableStream;
- if (controller._started === false) {
- return;
- }
- if (stream._inFlightWriteRequest !== undefined) {
- return;
- }
- var state = stream._state;
- if (state === 'closed' || state === 'errored') {
- return;
- }
- if (state === 'erroring') {
- WritableStreamFinishErroring(stream);
- return;
- }
- if (controller._queue.length === 0) {
- return;
- }
- var writeRecord = PeekQueueValue(controller);
- if (writeRecord === 'close') {
- WritableStreamDefaultControllerProcessClose(controller);
- } else {
- WritableStreamDefaultControllerProcessWrite(controller, writeRecord.chunk);
- }
- }
- function WritableStreamDefaultControllerErrorIfNeeded(controller, error) {
- if (controller._controlledWritableStream._state === 'writable') {
- WritableStreamDefaultControllerError(controller, error);
- }
- }
- function WritableStreamDefaultControllerProcessClose(controller) {
- var stream = controller._controlledWritableStream;
- WritableStreamMarkCloseRequestInFlight(stream);
- DequeueValue(controller);
- assert(controller._queue.length === 0, 'queue must be empty once the final write record is dequeued');
- var sinkClosePromise = PromiseInvokeOrNoop(controller._underlyingSink, 'close', []);
- sinkClosePromise.then(function () {
- WritableStreamFinishInFlightClose(stream);
- }, function (reason) {
- WritableStreamFinishInFlightCloseWithError(stream, reason);
- }).catch(rethrowAssertionErrorRejection);
- }
- function WritableStreamDefaultControllerProcessWrite(controller, chunk) {
- var stream = controller._controlledWritableStream;
- WritableStreamMarkFirstWriteRequestInFlight(stream);
- var sinkWritePromise = PromiseInvokeOrNoop(controller._underlyingSink, 'write', [chunk, controller]);
- sinkWritePromise.then(function () {
- WritableStreamFinishInFlightWrite(stream);
- var state = stream._state;
- assert(state === 'writable' || state === 'erroring');
- DequeueValue(controller);
- if (WritableStreamCloseQueuedOrInFlight(stream) === false && state === 'writable') {
- var backpressure = WritableStreamDefaultControllerGetBackpressure(controller);
- WritableStreamUpdateBackpressure(stream, backpressure);
- }
- WritableStreamDefaultControllerAdvanceQueueIfNeeded(controller);
- }, function (reason) {
- WritableStreamFinishInFlightWriteWithError(stream, reason);
- }).catch(rethrowAssertionErrorRejection);
- }
- function WritableStreamDefaultControllerGetBackpressure(controller) {
- var desiredSize = WritableStreamDefaultControllerGetDesiredSize(controller);
- return desiredSize <= 0;
- }
- function WritableStreamDefaultControllerError(controller, error) {
- var stream = controller._controlledWritableStream;
- assert(stream._state === 'writable');
- WritableStreamStartErroring(stream, error);
- }
- function streamBrandCheckException(name) {
- return new TypeError('WritableStream.prototype.' + name + ' can only be used on a WritableStream');
- }
- function defaultWriterBrandCheckException(name) {
- return new TypeError('WritableStreamDefaultWriter.prototype.' + name + ' can only be used on a WritableStreamDefaultWriter');
- }
- function defaultWriterLockException(name) {
- return new TypeError('Cannot ' + name + ' a stream using a released writer');
- }
- function defaultWriterClosedPromiseInitialize(writer) {
- writer._closedPromise = new Promise(function (resolve, reject) {
- writer._closedPromise_resolve = resolve;
- writer._closedPromise_reject = reject;
- writer._closedPromiseState = 'pending';
- });
- }
- function defaultWriterClosedPromiseInitializeAsRejected(writer, reason) {
- writer._closedPromise = Promise.reject(reason);
- writer._closedPromise_resolve = undefined;
- writer._closedPromise_reject = undefined;
- writer._closedPromiseState = 'rejected';
- }
- function defaultWriterClosedPromiseInitializeAsResolved(writer) {
- writer._closedPromise = Promise.resolve(undefined);
- writer._closedPromise_resolve = undefined;
- writer._closedPromise_reject = undefined;
- writer._closedPromiseState = 'resolved';
- }
- function defaultWriterClosedPromiseReject(writer, reason) {
- assert(writer._closedPromise_resolve !== undefined, 'writer._closedPromise_resolve !== undefined');
- assert(writer._closedPromise_reject !== undefined, 'writer._closedPromise_reject !== undefined');
- assert(writer._closedPromiseState === 'pending', 'writer._closedPromiseState is pending');
- writer._closedPromise_reject(reason);
- writer._closedPromise_resolve = undefined;
- writer._closedPromise_reject = undefined;
- writer._closedPromiseState = 'rejected';
- }
- function defaultWriterClosedPromiseResetToRejected(writer, reason) {
- assert(writer._closedPromise_resolve === undefined, 'writer._closedPromise_resolve === undefined');
- assert(writer._closedPromise_reject === undefined, 'writer._closedPromise_reject === undefined');
- assert(writer._closedPromiseState !== 'pending', 'writer._closedPromiseState is not pending');
- writer._closedPromise = Promise.reject(reason);
- writer._closedPromiseState = 'rejected';
- }
- function defaultWriterClosedPromiseResolve(writer) {
- assert(writer._closedPromise_resolve !== undefined, 'writer._closedPromise_resolve !== undefined');
- assert(writer._closedPromise_reject !== undefined, 'writer._closedPromise_reject !== undefined');
- assert(writer._closedPromiseState === 'pending', 'writer._closedPromiseState is pending');
- writer._closedPromise_resolve(undefined);
- writer._closedPromise_resolve = undefined;
- writer._closedPromise_reject = undefined;
- writer._closedPromiseState = 'resolved';
- }
- function defaultWriterReadyPromiseInitialize(writer) {
- writer._readyPromise = new Promise(function (resolve, reject) {
- writer._readyPromise_resolve = resolve;
- writer._readyPromise_reject = reject;
- });
- writer._readyPromiseState = 'pending';
- }
- function defaultWriterReadyPromiseInitializeAsRejected(writer, reason) {
- writer._readyPromise = Promise.reject(reason);
- writer._readyPromise_resolve = undefined;
- writer._readyPromise_reject = undefined;
- writer._readyPromiseState = 'rejected';
- }
- function defaultWriterReadyPromiseInitializeAsResolved(writer) {
- writer._readyPromise = Promise.resolve(undefined);
- writer._readyPromise_resolve = undefined;
- writer._readyPromise_reject = undefined;
- writer._readyPromiseState = 'fulfilled';
- }
- function defaultWriterReadyPromiseReject(writer, reason) {
- assert(writer._readyPromise_resolve !== undefined, 'writer._readyPromise_resolve !== undefined');
- assert(writer._readyPromise_reject !== undefined, 'writer._readyPromise_reject !== undefined');
- writer._readyPromise_reject(reason);
- writer._readyPromise_resolve = undefined;
- writer._readyPromise_reject = undefined;
- writer._readyPromiseState = 'rejected';
- }
- function defaultWriterReadyPromiseReset(writer) {
- assert(writer._readyPromise_resolve === undefined, 'writer._readyPromise_resolve === undefined');
- assert(writer._readyPromise_reject === undefined, 'writer._readyPromise_reject === undefined');
- writer._readyPromise = new Promise(function (resolve, reject) {
- writer._readyPromise_resolve = resolve;
- writer._readyPromise_reject = reject;
- });
- writer._readyPromiseState = 'pending';
- }
- function defaultWriterReadyPromiseResetToRejected(writer, reason) {
- assert(writer._readyPromise_resolve === undefined, 'writer._readyPromise_resolve === undefined');
- assert(writer._readyPromise_reject === undefined, 'writer._readyPromise_reject === undefined');
- writer._readyPromise = Promise.reject(reason);
- writer._readyPromiseState = 'rejected';
- }
- function defaultWriterReadyPromiseResolve(writer) {
- assert(writer._readyPromise_resolve !== undefined, 'writer._readyPromise_resolve !== undefined');
- assert(writer._readyPromise_reject !== undefined, 'writer._readyPromise_reject !== undefined');
- writer._readyPromise_resolve(undefined);
- writer._readyPromise_resolve = undefined;
- writer._readyPromise_reject = undefined;
- writer._readyPromiseState = 'fulfilled';
- }
-}, function (module, exports, __w_pdfjs_require__) {
- "use strict";
- var _require = __w_pdfjs_require__(0),
- IsFiniteNonNegativeNumber = _require.IsFiniteNonNegativeNumber;
- var _require2 = __w_pdfjs_require__(1),
- assert = _require2.assert;
- exports.DequeueValue = function (container) {
- assert('_queue' in container && '_queueTotalSize' in container, 'Spec-level failure: DequeueValue should only be used on containers with [[queue]] and [[queueTotalSize]].');
- assert(container._queue.length > 0, 'Spec-level failure: should never dequeue from an empty queue.');
- var pair = container._queue.shift();
- container._queueTotalSize -= pair.size;
- if (container._queueTotalSize < 0) {
- container._queueTotalSize = 0;
- }
- return pair.value;
- };
- exports.EnqueueValueWithSize = function (container, value, size) {
- assert('_queue' in container && '_queueTotalSize' in container, 'Spec-level failure: EnqueueValueWithSize should only be used on containers with [[queue]] and ' + '[[queueTotalSize]].');
- size = Number(size);
- if (!IsFiniteNonNegativeNumber(size)) {
- throw new RangeError('Size must be a finite, non-NaN, non-negative number.');
- }
- container._queue.push({
- value: value,
- size: size
- });
- container._queueTotalSize += size;
- };
- exports.PeekQueueValue = function (container) {
- assert('_queue' in container && '_queueTotalSize' in container, 'Spec-level failure: PeekQueueValue should only be used on containers with [[queue]] and [[queueTotalSize]].');
- assert(container._queue.length > 0, 'Spec-level failure: should never peek at an empty queue.');
- var pair = container._queue[0];
- return pair.value;
- };
- exports.ResetQueue = function (container) {
- assert('_queue' in container && '_queueTotalSize' in container, 'Spec-level failure: ResetQueue should only be used on containers with [[queue]] and [[queueTotalSize]].');
- container._queue = [];
- container._queueTotalSize = 0;
- };
-}, function (module, exports, __w_pdfjs_require__) {
- "use strict";
+ const blockCounts = length >> 2;
+ const tailLength = length - blockCounts * 4;
+ const dataUint32 = new Uint32Array(data.buffer, 0, blockCounts);
+ let k1 = 0,
+ k2 = 0;
+ let h1 = this.h1,
+ h2 = this.h2;
+ const C1 = 0xcc9e2d51,
+ C2 = 0x1b873593;
+ const C1_LOW = C1 & MASK_LOW,
+ C2_LOW = C2 & MASK_LOW;
- var _createClass = function () {
- function defineProperties(target, props) {
- for (var i = 0; i < props.length; i++) {
- var descriptor = props[i];
- descriptor.enumerable = descriptor.enumerable || false;
- descriptor.configurable = true;
- if ("value" in descriptor) descriptor.writable = true;
- Object.defineProperty(target, descriptor.key, descriptor);
- }
- }
- return function (Constructor, protoProps, staticProps) {
- if (protoProps) defineProperties(Constructor.prototype, protoProps);
- if (staticProps) defineProperties(Constructor, staticProps);
- return Constructor;
- };
- }();
- function _classCallCheck(instance, Constructor) {
- if (!(instance instanceof Constructor)) {
- throw new TypeError("Cannot call a class as a function");
- }
- }
- var _require = __w_pdfjs_require__(0),
- ArrayBufferCopy = _require.ArrayBufferCopy,
- CreateIterResultObject = _require.CreateIterResultObject,
- IsFiniteNonNegativeNumber = _require.IsFiniteNonNegativeNumber,
- InvokeOrNoop = _require.InvokeOrNoop,
- PromiseInvokeOrNoop = _require.PromiseInvokeOrNoop,
- TransferArrayBuffer = _require.TransferArrayBuffer,
- ValidateAndNormalizeQueuingStrategy = _require.ValidateAndNormalizeQueuingStrategy,
- ValidateAndNormalizeHighWaterMark = _require.ValidateAndNormalizeHighWaterMark;
- var _require2 = __w_pdfjs_require__(0),
- createArrayFromList = _require2.createArrayFromList,
- createDataProperty = _require2.createDataProperty,
- typeIsObject = _require2.typeIsObject;
- var _require3 = __w_pdfjs_require__(1),
- assert = _require3.assert,
- rethrowAssertionErrorRejection = _require3.rethrowAssertionErrorRejection;
- var _require4 = __w_pdfjs_require__(3),
- DequeueValue = _require4.DequeueValue,
- EnqueueValueWithSize = _require4.EnqueueValueWithSize,
- ResetQueue = _require4.ResetQueue;
- var _require5 = __w_pdfjs_require__(2),
- AcquireWritableStreamDefaultWriter = _require5.AcquireWritableStreamDefaultWriter,
- IsWritableStream = _require5.IsWritableStream,
- IsWritableStreamLocked = _require5.IsWritableStreamLocked,
- WritableStreamAbort = _require5.WritableStreamAbort,
- WritableStreamDefaultWriterCloseWithErrorPropagation = _require5.WritableStreamDefaultWriterCloseWithErrorPropagation,
- WritableStreamDefaultWriterRelease = _require5.WritableStreamDefaultWriterRelease,
- WritableStreamDefaultWriterWrite = _require5.WritableStreamDefaultWriterWrite,
- WritableStreamCloseQueuedOrInFlight = _require5.WritableStreamCloseQueuedOrInFlight;
- var ReadableStream = function () {
- function ReadableStream() {
- var underlyingSource = arguments.length > 0 && arguments[0] !== undefined ? arguments[0] : {};
- var _ref = arguments.length > 1 && arguments[1] !== undefined ? arguments[1] : {},
- size = _ref.size,
- highWaterMark = _ref.highWaterMark;
- _classCallCheck(this, ReadableStream);
- this._state = 'readable';
- this._reader = undefined;
- this._storedError = undefined;
- this._disturbed = false;
- this._readableStreamController = undefined;
- var type = underlyingSource.type;
- var typeString = String(type);
- if (typeString === 'bytes') {
- if (highWaterMark === undefined) {
- highWaterMark = 0;
- }
- this._readableStreamController = new ReadableByteStreamController(this, underlyingSource, highWaterMark);
- } else if (type === undefined) {
- if (highWaterMark === undefined) {
- highWaterMark = 1;
- }
- this._readableStreamController = new ReadableStreamDefaultController(this, underlyingSource, size, highWaterMark);
+ for (let i = 0; i < blockCounts; i++) {
+ if (i & 1) {
+ k1 = dataUint32[i];
+ k1 = k1 * C1 & MASK_HIGH | k1 * C1_LOW & MASK_LOW;
+ k1 = k1 << 15 | k1 >>> 17;
+ k1 = k1 * C2 & MASK_HIGH | k1 * C2_LOW & MASK_LOW;
+ h1 ^= k1;
+ h1 = h1 << 13 | h1 >>> 19;
+ h1 = h1 * 5 + 0xe6546b64;
} else {
- throw new RangeError('Invalid type is specified');
+ k2 = dataUint32[i];
+ k2 = k2 * C1 & MASK_HIGH | k2 * C1_LOW & MASK_LOW;
+ k2 = k2 << 15 | k2 >>> 17;
+ k2 = k2 * C2 & MASK_HIGH | k2 * C2_LOW & MASK_LOW;
+ h2 ^= k2;
+ h2 = h2 << 13 | h2 >>> 19;
+ h2 = h2 * 5 + 0xe6546b64;
}
}
- _createClass(ReadableStream, [{
- key: 'cancel',
- value: function cancel(reason) {
- if (IsReadableStream(this) === false) {
- return Promise.reject(streamBrandCheckException('cancel'));
- }
- if (IsReadableStreamLocked(this) === true) {
- return Promise.reject(new TypeError('Cannot cancel a stream that already has a reader'));
- }
- return ReadableStreamCancel(this, reason);
- }
- }, {
- key: 'getReader',
- value: function getReader() {
- var _ref2 = arguments.length > 0 && arguments[0] !== undefined ? arguments[0] : {},
- mode = _ref2.mode;
- if (IsReadableStream(this) === false) {
- throw streamBrandCheckException('getReader');
- }
- if (mode === undefined) {
- return AcquireReadableStreamDefaultReader(this);
- }
- mode = String(mode);
- if (mode === 'byob') {
- return AcquireReadableStreamBYOBReader(this);
- }
- throw new RangeError('Invalid mode is specified');
- }
- }, {
- key: 'pipeThrough',
- value: function pipeThrough(_ref3, options) {
- var writable = _ref3.writable,
- readable = _ref3.readable;
- var promise = this.pipeTo(writable, options);
- ifIsObjectAndHasAPromiseIsHandledInternalSlotSetPromiseIsHandledToTrue(promise);
- return readable;
- }
- }, {
- key: 'pipeTo',
- value: function pipeTo(dest) {
- var _this = this;
- var _ref4 = arguments.length > 1 && arguments[1] !== undefined ? arguments[1] : {},
- preventClose = _ref4.preventClose,
- preventAbort = _ref4.preventAbort,
- preventCancel = _ref4.preventCancel;
- if (IsReadableStream(this) === false) {
- return Promise.reject(streamBrandCheckException('pipeTo'));
- }
- if (IsWritableStream(dest) === false) {
- return Promise.reject(new TypeError('ReadableStream.prototype.pipeTo\'s first argument must be a WritableStream'));
- }
- preventClose = Boolean(preventClose);
- preventAbort = Boolean(preventAbort);
- preventCancel = Boolean(preventCancel);
- if (IsReadableStreamLocked(this) === true) {
- return Promise.reject(new TypeError('ReadableStream.prototype.pipeTo cannot be used on a locked ReadableStream'));
- }
- if (IsWritableStreamLocked(dest) === true) {
- return Promise.reject(new TypeError('ReadableStream.prototype.pipeTo cannot be used on a locked WritableStream'));
- }
- var reader = AcquireReadableStreamDefaultReader(this);
- var writer = AcquireWritableStreamDefaultWriter(dest);
- var shuttingDown = false;
- var currentWrite = Promise.resolve();
- return new Promise(function (resolve, reject) {
- function pipeLoop() {
- currentWrite = Promise.resolve();
- if (shuttingDown === true) {
- return Promise.resolve();
- }
- return writer._readyPromise.then(function () {
- return ReadableStreamDefaultReaderRead(reader).then(function (_ref5) {
- var value = _ref5.value,
- done = _ref5.done;
- if (done === true) {
- return;
- }
- currentWrite = WritableStreamDefaultWriterWrite(writer, value).catch(function () {});
- });
- }).then(pipeLoop);
- }
- isOrBecomesErrored(_this, reader._closedPromise, function (storedError) {
- if (preventAbort === false) {
- shutdownWithAction(function () {
- return WritableStreamAbort(dest, storedError);
- }, true, storedError);
- } else {
- shutdown(true, storedError);
- }
- });
- isOrBecomesErrored(dest, writer._closedPromise, function (storedError) {
- if (preventCancel === false) {
- shutdownWithAction(function () {
- return ReadableStreamCancel(_this, storedError);
- }, true, storedError);
- } else {
- shutdown(true, storedError);
- }
- });
- isOrBecomesClosed(_this, reader._closedPromise, function () {
- if (preventClose === false) {
- shutdownWithAction(function () {
- return WritableStreamDefaultWriterCloseWithErrorPropagation(writer);
- });
- } else {
- shutdown();
- }
- });
- if (WritableStreamCloseQueuedOrInFlight(dest) === true || dest._state === 'closed') {
- var destClosed = new TypeError('the destination writable stream closed before all data could be piped to it');
- if (preventCancel === false) {
- shutdownWithAction(function () {
- return ReadableStreamCancel(_this, destClosed);
- }, true, destClosed);
- } else {
- shutdown(true, destClosed);
- }
- }
- pipeLoop().catch(function (err) {
- currentWrite = Promise.resolve();
- rethrowAssertionErrorRejection(err);
- });
- function waitForWritesToFinish() {
- var oldCurrentWrite = currentWrite;
- return currentWrite.then(function () {
- return oldCurrentWrite !== currentWrite ? waitForWritesToFinish() : undefined;
- });
- }
- function isOrBecomesErrored(stream, promise, action) {
- if (stream._state === 'errored') {
- action(stream._storedError);
- } else {
- promise.catch(action).catch(rethrowAssertionErrorRejection);
- }
- }
- function isOrBecomesClosed(stream, promise, action) {
- if (stream._state === 'closed') {
- action();
- } else {
- promise.then(action).catch(rethrowAssertionErrorRejection);
- }
- }
- function shutdownWithAction(action, originalIsError, originalError) {
- if (shuttingDown === true) {
- return;
- }
- shuttingDown = true;
- if (dest._state === 'writable' && WritableStreamCloseQueuedOrInFlight(dest) === false) {
- waitForWritesToFinish().then(doTheRest);
- } else {
- doTheRest();
- }
- function doTheRest() {
- action().then(function () {
- return finalize(originalIsError, originalError);
- }, function (newError) {
- return finalize(true, newError);
- }).catch(rethrowAssertionErrorRejection);
- }
- }
- function shutdown(isError, error) {
- if (shuttingDown === true) {
- return;
- }
- shuttingDown = true;
- if (dest._state === 'writable' && WritableStreamCloseQueuedOrInFlight(dest) === false) {
- waitForWritesToFinish().then(function () {
- return finalize(isError, error);
- }).catch(rethrowAssertionErrorRejection);
- } else {
- finalize(isError, error);
- }
- }
- function finalize(isError, error) {
- WritableStreamDefaultWriterRelease(writer);
- ReadableStreamReaderGenericRelease(reader);
- if (isError) {
- reject(error);
- } else {
- resolve(undefined);
- }
- }
- });
- }
- }, {
- key: 'tee',
- value: function tee() {
- if (IsReadableStream(this) === false) {
- throw streamBrandCheckException('tee');
- }
- var branches = ReadableStreamTee(this, false);
- return createArrayFromList(branches);
- }
- }, {
- key: 'locked',
- get: function get() {
- if (IsReadableStream(this) === false) {
- throw streamBrandCheckException('locked');
- }
- return IsReadableStreamLocked(this);
- }
- }]);
- return ReadableStream;
- }();
- module.exports = {
- ReadableStream: ReadableStream,
- IsReadableStreamDisturbed: IsReadableStreamDisturbed,
- ReadableStreamDefaultControllerClose: ReadableStreamDefaultControllerClose,
- ReadableStreamDefaultControllerEnqueue: ReadableStreamDefaultControllerEnqueue,
- ReadableStreamDefaultControllerError: ReadableStreamDefaultControllerError,
- ReadableStreamDefaultControllerGetDesiredSize: ReadableStreamDefaultControllerGetDesiredSize
- };
- function AcquireReadableStreamBYOBReader(stream) {
- return new ReadableStreamBYOBReader(stream);
- }
- function AcquireReadableStreamDefaultReader(stream) {
- return new ReadableStreamDefaultReader(stream);
- }
- function IsReadableStream(x) {
- if (!typeIsObject(x)) {
- return false;
- }
- if (!Object.prototype.hasOwnProperty.call(x, '_readableStreamController')) {
- return false;
- }
- return true;
- }
- function IsReadableStreamDisturbed(stream) {
- assert(IsReadableStream(stream) === true, 'IsReadableStreamDisturbed should only be used on known readable streams');
- return stream._disturbed;
- }
- function IsReadableStreamLocked(stream) {
- assert(IsReadableStream(stream) === true, 'IsReadableStreamLocked should only be used on known readable streams');
- if (stream._reader === undefined) {
- return false;
- }
- return true;
- }
- function ReadableStreamTee(stream, cloneForBranch2) {
- assert(IsReadableStream(stream) === true);
- assert(typeof cloneForBranch2 === 'boolean');
- var reader = AcquireReadableStreamDefaultReader(stream);
- var teeState = {
- closedOrErrored: false,
- canceled1: false,
- canceled2: false,
- reason1: undefined,
- reason2: undefined
- };
- teeState.promise = new Promise(function (resolve) {
- teeState._resolve = resolve;
- });
- var pull = create_ReadableStreamTeePullFunction();
- pull._reader = reader;
- pull._teeState = teeState;
- pull._cloneForBranch2 = cloneForBranch2;
- var cancel1 = create_ReadableStreamTeeBranch1CancelFunction();
- cancel1._stream = stream;
- cancel1._teeState = teeState;
- var cancel2 = create_ReadableStreamTeeBranch2CancelFunction();
- cancel2._stream = stream;
- cancel2._teeState = teeState;
- var underlyingSource1 = Object.create(Object.prototype);
- createDataProperty(underlyingSource1, 'pull', pull);
- createDataProperty(underlyingSource1, 'cancel', cancel1);
- var branch1Stream = new ReadableStream(underlyingSource1);
- var underlyingSource2 = Object.create(Object.prototype);
- createDataProperty(underlyingSource2, 'pull', pull);
- createDataProperty(underlyingSource2, 'cancel', cancel2);
- var branch2Stream = new ReadableStream(underlyingSource2);
- pull._branch1 = branch1Stream._readableStreamController;
- pull._branch2 = branch2Stream._readableStreamController;
- reader._closedPromise.catch(function (r) {
- if (teeState.closedOrErrored === true) {
- return;
- }
- ReadableStreamDefaultControllerError(pull._branch1, r);
- ReadableStreamDefaultControllerError(pull._branch2, r);
- teeState.closedOrErrored = true;
- });
- return [branch1Stream, branch2Stream];
- }
- function create_ReadableStreamTeePullFunction() {
- function f() {
- var reader = f._reader,
- branch1 = f._branch1,
- branch2 = f._branch2,
- teeState = f._teeState;
- return ReadableStreamDefaultReaderRead(reader).then(function (result) {
- assert(typeIsObject(result));
- var value = result.value;
- var done = result.done;
- assert(typeof done === 'boolean');
- if (done === true && teeState.closedOrErrored === false) {
- if (teeState.canceled1 === false) {
- ReadableStreamDefaultControllerClose(branch1);
- }
- if (teeState.canceled2 === false) {
- ReadableStreamDefaultControllerClose(branch2);
- }
- teeState.closedOrErrored = true;
- }
- if (teeState.closedOrErrored === true) {
- return;
- }
- var value1 = value;
- var value2 = value;
- if (teeState.canceled1 === false) {
- ReadableStreamDefaultControllerEnqueue(branch1, value1);
- }
- if (teeState.canceled2 === false) {
- ReadableStreamDefaultControllerEnqueue(branch2, value2);
- }
- });
- }
- return f;
- }
- function create_ReadableStreamTeeBranch1CancelFunction() {
- function f(reason) {
- var stream = f._stream,
- teeState = f._teeState;
- teeState.canceled1 = true;
- teeState.reason1 = reason;
- if (teeState.canceled2 === true) {
- var compositeReason = createArrayFromList([teeState.reason1, teeState.reason2]);
- var cancelResult = ReadableStreamCancel(stream, compositeReason);
- teeState._resolve(cancelResult);
- }
- return teeState.promise;
- }
- return f;
- }
- function create_ReadableStreamTeeBranch2CancelFunction() {
- function f(reason) {
- var stream = f._stream,
- teeState = f._teeState;
- teeState.canceled2 = true;
- teeState.reason2 = reason;
- if (teeState.canceled1 === true) {
- var compositeReason = createArrayFromList([teeState.reason1, teeState.reason2]);
- var cancelResult = ReadableStreamCancel(stream, compositeReason);
- teeState._resolve(cancelResult);
- }
- return teeState.promise;
- }
- return f;
- }
- function ReadableStreamAddReadIntoRequest(stream) {
- assert(IsReadableStreamBYOBReader(stream._reader) === true);
- assert(stream._state === 'readable' || stream._state === 'closed');
- var promise = new Promise(function (resolve, reject) {
- var readIntoRequest = {
- _resolve: resolve,
- _reject: reject
- };
- stream._reader._readIntoRequests.push(readIntoRequest);
- });
- return promise;
- }
- function ReadableStreamAddReadRequest(stream) {
- assert(IsReadableStreamDefaultReader(stream._reader) === true);
- assert(stream._state === 'readable');
- var promise = new Promise(function (resolve, reject) {
- var readRequest = {
- _resolve: resolve,
- _reject: reject
- };
- stream._reader._readRequests.push(readRequest);
- });
- return promise;
- }
- function ReadableStreamCancel(stream, reason) {
- stream._disturbed = true;
- if (stream._state === 'closed') {
- return Promise.resolve(undefined);
- }
- if (stream._state === 'errored') {
- return Promise.reject(stream._storedError);
- }
- ReadableStreamClose(stream);
- var sourceCancelPromise = stream._readableStreamController.__cancelSteps(reason);
- return sourceCancelPromise.then(function () {
- return undefined;
- });
- }
- function ReadableStreamClose(stream) {
- assert(stream._state === 'readable');
- stream._state = 'closed';
- var reader = stream._reader;
- if (reader === undefined) {
- return undefined;
- }
- if (IsReadableStreamDefaultReader(reader) === true) {
- for (var i = 0; i < reader._readRequests.length; i++) {
- var _resolve = reader._readRequests[i]._resolve;
- _resolve(CreateIterResultObject(undefined, true));
- }
- reader._readRequests = [];
- }
- defaultReaderClosedPromiseResolve(reader);
- return undefined;
- }
- function ReadableStreamError(stream, e) {
- assert(IsReadableStream(stream) === true, 'stream must be ReadableStream');
- assert(stream._state === 'readable', 'state must be readable');
- stream._state = 'errored';
- stream._storedError = e;
- var reader = stream._reader;
- if (reader === undefined) {
- return undefined;
- }
- if (IsReadableStreamDefaultReader(reader) === true) {
- for (var i = 0; i < reader._readRequests.length; i++) {
- var readRequest = reader._readRequests[i];
- readRequest._reject(e);
- }
- reader._readRequests = [];
- } else {
- assert(IsReadableStreamBYOBReader(reader), 'reader must be ReadableStreamBYOBReader');
- for (var _i = 0; _i < reader._readIntoRequests.length; _i++) {
- var readIntoRequest = reader._readIntoRequests[_i];
- readIntoRequest._reject(e);
- }
- reader._readIntoRequests = [];
- }
- defaultReaderClosedPromiseReject(reader, e);
- reader._closedPromise.catch(function () {});
- }
- function ReadableStreamFulfillReadIntoRequest(stream, chunk, done) {
- var reader = stream._reader;
- assert(reader._readIntoRequests.length > 0);
- var readIntoRequest = reader._readIntoRequests.shift();
- readIntoRequest._resolve(CreateIterResultObject(chunk, done));
- }
- function ReadableStreamFulfillReadRequest(stream, chunk, done) {
- var reader = stream._reader;
- assert(reader._readRequests.length > 0);
- var readRequest = reader._readRequests.shift();
- readRequest._resolve(CreateIterResultObject(chunk, done));
- }
- function ReadableStreamGetNumReadIntoRequests(stream) {
- return stream._reader._readIntoRequests.length;
- }
- function ReadableStreamGetNumReadRequests(stream) {
- return stream._reader._readRequests.length;
- }
- function ReadableStreamHasBYOBReader(stream) {
- var reader = stream._reader;
- if (reader === undefined) {
- return false;
- }
- if (IsReadableStreamBYOBReader(reader) === false) {
- return false;
- }
- return true;
- }
- function ReadableStreamHasDefaultReader(stream) {
- var reader = stream._reader;
- if (reader === undefined) {
- return false;
- }
- if (IsReadableStreamDefaultReader(reader) === false) {
- return false;
- }
- return true;
- }
- var ReadableStreamDefaultReader = function () {
- function ReadableStreamDefaultReader(stream) {
- _classCallCheck(this, ReadableStreamDefaultReader);
- if (IsReadableStream(stream) === false) {
- throw new TypeError('ReadableStreamDefaultReader can only be constructed with a ReadableStream instance');
- }
- if (IsReadableStreamLocked(stream) === true) {
- throw new TypeError('This stream has already been locked for exclusive reading by another reader');
- }
- ReadableStreamReaderGenericInitialize(this, stream);
- this._readRequests = [];
- }
- _createClass(ReadableStreamDefaultReader, [{
- key: 'cancel',
- value: function cancel(reason) {
- if (IsReadableStreamDefaultReader(this) === false) {
- return Promise.reject(defaultReaderBrandCheckException('cancel'));
- }
- if (this._ownerReadableStream === undefined) {
- return Promise.reject(readerLockException('cancel'));
- }
- return ReadableStreamReaderGenericCancel(this, reason);
- }
- }, {
- key: 'read',
- value: function read() {
- if (IsReadableStreamDefaultReader(this) === false) {
- return Promise.reject(defaultReaderBrandCheckException('read'));
- }
- if (this._ownerReadableStream === undefined) {
- return Promise.reject(readerLockException('read from'));
- }
- return ReadableStreamDefaultReaderRead(this);
- }
- }, {
- key: 'releaseLock',
- value: function releaseLock() {
- if (IsReadableStreamDefaultReader(this) === false) {
- throw defaultReaderBrandCheckException('releaseLock');
- }
- if (this._ownerReadableStream === undefined) {
- return;
- }
- if (this._readRequests.length > 0) {
- throw new TypeError('Tried to release a reader lock when that reader has pending read() calls un-settled');
- }
- ReadableStreamReaderGenericRelease(this);
- }
- }, {
- key: 'closed',
- get: function get() {
- if (IsReadableStreamDefaultReader(this) === false) {
- return Promise.reject(defaultReaderBrandCheckException('closed'));
- }
- return this._closedPromise;
- }
- }]);
- return ReadableStreamDefaultReader;
- }();
- var ReadableStreamBYOBReader = function () {
- function ReadableStreamBYOBReader(stream) {
- _classCallCheck(this, ReadableStreamBYOBReader);
- if (!IsReadableStream(stream)) {
- throw new TypeError('ReadableStreamBYOBReader can only be constructed with a ReadableStream instance given a ' + 'byte source');
- }
- if (IsReadableByteStreamController(stream._readableStreamController) === false) {
- throw new TypeError('Cannot construct a ReadableStreamBYOBReader for a stream not constructed with a byte ' + 'source');
- }
- if (IsReadableStreamLocked(stream)) {
- throw new TypeError('This stream has already been locked for exclusive reading by another reader');
- }
- ReadableStreamReaderGenericInitialize(this, stream);
- this._readIntoRequests = [];
- }
- _createClass(ReadableStreamBYOBReader, [{
- key: 'cancel',
- value: function cancel(reason) {
- if (!IsReadableStreamBYOBReader(this)) {
- return Promise.reject(byobReaderBrandCheckException('cancel'));
- }
- if (this._ownerReadableStream === undefined) {
- return Promise.reject(readerLockException('cancel'));
- }
- return ReadableStreamReaderGenericCancel(this, reason);
- }
- }, {
- key: 'read',
- value: function read(view) {
- if (!IsReadableStreamBYOBReader(this)) {
- return Promise.reject(byobReaderBrandCheckException('read'));
- }
- if (this._ownerReadableStream === undefined) {
- return Promise.reject(readerLockException('read from'));
- }
- if (!ArrayBuffer.isView(view)) {
- return Promise.reject(new TypeError('view must be an array buffer view'));
- }
- if (view.byteLength === 0) {
- return Promise.reject(new TypeError('view must have non-zero byteLength'));
- }
- return ReadableStreamBYOBReaderRead(this, view);
- }
- }, {
- key: 'releaseLock',
- value: function releaseLock() {
- if (!IsReadableStreamBYOBReader(this)) {
- throw byobReaderBrandCheckException('releaseLock');
- }
- if (this._ownerReadableStream === undefined) {
- return;
- }
- if (this._readIntoRequests.length > 0) {
- throw new TypeError('Tried to release a reader lock when that reader has pending read() calls un-settled');
- }
- ReadableStreamReaderGenericRelease(this);
- }
- }, {
- key: 'closed',
- get: function get() {
- if (!IsReadableStreamBYOBReader(this)) {
- return Promise.reject(byobReaderBrandCheckException('closed'));
- }
- return this._closedPromise;
- }
- }]);
- return ReadableStreamBYOBReader;
- }();
- function IsReadableStreamBYOBReader(x) {
- if (!typeIsObject(x)) {
- return false;
- }
- if (!Object.prototype.hasOwnProperty.call(x, '_readIntoRequests')) {
- return false;
- }
- return true;
- }
- function IsReadableStreamDefaultReader(x) {
- if (!typeIsObject(x)) {
- return false;
- }
- if (!Object.prototype.hasOwnProperty.call(x, '_readRequests')) {
- return false;
- }
- return true;
- }
- function ReadableStreamReaderGenericInitialize(reader, stream) {
- reader._ownerReadableStream = stream;
- stream._reader = reader;
- if (stream._state === 'readable') {
- defaultReaderClosedPromiseInitialize(reader);
- } else if (stream._state === 'closed') {
- defaultReaderClosedPromiseInitializeAsResolved(reader);
- } else {
- assert(stream._state === 'errored', 'state must be errored');
- defaultReaderClosedPromiseInitializeAsRejected(reader, stream._storedError);
- reader._closedPromise.catch(function () {});
- }
- }
- function ReadableStreamReaderGenericCancel(reader, reason) {
- var stream = reader._ownerReadableStream;
- assert(stream !== undefined);
- return ReadableStreamCancel(stream, reason);
- }
- function ReadableStreamReaderGenericRelease(reader) {
- assert(reader._ownerReadableStream !== undefined);
- assert(reader._ownerReadableStream._reader === reader);
- if (reader._ownerReadableStream._state === 'readable') {
- defaultReaderClosedPromiseReject(reader, new TypeError('Reader was released and can no longer be used to monitor the stream\'s closedness'));
- } else {
- defaultReaderClosedPromiseResetToRejected(reader, new TypeError('Reader was released and can no longer be used to monitor the stream\'s closedness'));
- }
- reader._closedPromise.catch(function () {});
- reader._ownerReadableStream._reader = undefined;
- reader._ownerReadableStream = undefined;
- }
- function ReadableStreamBYOBReaderRead(reader, view) {
- var stream = reader._ownerReadableStream;
- assert(stream !== undefined);
- stream._disturbed = true;
- if (stream._state === 'errored') {
- return Promise.reject(stream._storedError);
- }
- return ReadableByteStreamControllerPullInto(stream._readableStreamController, view);
- }
- function ReadableStreamDefaultReaderRead(reader) {
- var stream = reader._ownerReadableStream;
- assert(stream !== undefined);
- stream._disturbed = true;
- if (stream._state === 'closed') {
- return Promise.resolve(CreateIterResultObject(undefined, true));
- }
- if (stream._state === 'errored') {
- return Promise.reject(stream._storedError);
- }
- assert(stream._state === 'readable');
- return stream._readableStreamController.__pullSteps();
- }
- var ReadableStreamDefaultController = function () {
- function ReadableStreamDefaultController(stream, underlyingSource, size, highWaterMark) {
- _classCallCheck(this, ReadableStreamDefaultController);
- if (IsReadableStream(stream) === false) {
- throw new TypeError('ReadableStreamDefaultController can only be constructed with a ReadableStream instance');
- }
- if (stream._readableStreamController !== undefined) {
- throw new TypeError('ReadableStreamDefaultController instances can only be created by the ReadableStream constructor');
- }
- this._controlledReadableStream = stream;
- this._underlyingSource = underlyingSource;
- this._queue = undefined;
- this._queueTotalSize = undefined;
- ResetQueue(this);
- this._started = false;
- this._closeRequested = false;
- this._pullAgain = false;
- this._pulling = false;
- var normalizedStrategy = ValidateAndNormalizeQueuingStrategy(size, highWaterMark);
- this._strategySize = normalizedStrategy.size;
- this._strategyHWM = normalizedStrategy.highWaterMark;
- var controller = this;
- var startResult = InvokeOrNoop(underlyingSource, 'start', [this]);
- Promise.resolve(startResult).then(function () {
- controller._started = true;
- assert(controller._pulling === false);
- assert(controller._pullAgain === false);
- ReadableStreamDefaultControllerCallPullIfNeeded(controller);
- }, function (r) {
- ReadableStreamDefaultControllerErrorIfNeeded(controller, r);
- }).catch(rethrowAssertionErrorRejection);
- }
- _createClass(ReadableStreamDefaultController, [{
- key: 'close',
- value: function close() {
- if (IsReadableStreamDefaultController(this) === false) {
- throw defaultControllerBrandCheckException('close');
- }
- if (this._closeRequested === true) {
- throw new TypeError('The stream has already been closed; do not close it again!');
- }
- var state = this._controlledReadableStream._state;
- if (state !== 'readable') {
- throw new TypeError('The stream (in ' + state + ' state) is not in the readable state and cannot be closed');
- }
- ReadableStreamDefaultControllerClose(this);
- }
- }, {
- key: 'enqueue',
- value: function enqueue(chunk) {
- if (IsReadableStreamDefaultController(this) === false) {
- throw defaultControllerBrandCheckException('enqueue');
- }
- if (this._closeRequested === true) {
- throw new TypeError('stream is closed or draining');
- }
- var state = this._controlledReadableStream._state;
- if (state !== 'readable') {
- throw new TypeError('The stream (in ' + state + ' state) is not in the readable state and cannot be enqueued to');
- }
- return ReadableStreamDefaultControllerEnqueue(this, chunk);
- }
- }, {
- key: 'error',
- value: function error(e) {
- if (IsReadableStreamDefaultController(this) === false) {
- throw defaultControllerBrandCheckException('error');
- }
- var stream = this._controlledReadableStream;
- if (stream._state !== 'readable') {
- throw new TypeError('The stream is ' + stream._state + ' and so cannot be errored');
- }
- ReadableStreamDefaultControllerError(this, e);
- }
- }, {
- key: '__cancelSteps',
- value: function __cancelSteps(reason) {
- ResetQueue(this);
- return PromiseInvokeOrNoop(this._underlyingSource, 'cancel', [reason]);
- }
- }, {
- key: '__pullSteps',
- value: function __pullSteps() {
- var stream = this._controlledReadableStream;
- if (this._queue.length > 0) {
- var chunk = DequeueValue(this);
- if (this._closeRequested === true && this._queue.length === 0) {
- ReadableStreamClose(stream);
- } else {
- ReadableStreamDefaultControllerCallPullIfNeeded(this);
- }
- return Promise.resolve(CreateIterResultObject(chunk, false));
- }
- var pendingPromise = ReadableStreamAddReadRequest(stream);
- ReadableStreamDefaultControllerCallPullIfNeeded(this);
- return pendingPromise;
- }
- }, {
- key: 'desiredSize',
- get: function get() {
- if (IsReadableStreamDefaultController(this) === false) {
- throw defaultControllerBrandCheckException('desiredSize');
- }
- return ReadableStreamDefaultControllerGetDesiredSize(this);
- }
- }]);
- return ReadableStreamDefaultController;
- }();
- function IsReadableStreamDefaultController(x) {
- if (!typeIsObject(x)) {
- return false;
- }
- if (!Object.prototype.hasOwnProperty.call(x, '_underlyingSource')) {
- return false;
- }
- return true;
- }
- function ReadableStreamDefaultControllerCallPullIfNeeded(controller) {
- var shouldPull = ReadableStreamDefaultControllerShouldCallPull(controller);
- if (shouldPull === false) {
- return undefined;
- }
- if (controller._pulling === true) {
- controller._pullAgain = true;
- return undefined;
- }
- assert(controller._pullAgain === false);
- controller._pulling = true;
- var pullPromise = PromiseInvokeOrNoop(controller._underlyingSource, 'pull', [controller]);
- pullPromise.then(function () {
- controller._pulling = false;
- if (controller._pullAgain === true) {
- controller._pullAgain = false;
- return ReadableStreamDefaultControllerCallPullIfNeeded(controller);
- }
- return undefined;
- }, function (e) {
- ReadableStreamDefaultControllerErrorIfNeeded(controller, e);
- }).catch(rethrowAssertionErrorRejection);
- return undefined;
- }
- function ReadableStreamDefaultControllerShouldCallPull(controller) {
- var stream = controller._controlledReadableStream;
- if (stream._state === 'closed' || stream._state === 'errored') {
- return false;
- }
- if (controller._closeRequested === true) {
- return false;
- }
- if (controller._started === false) {
- return false;
- }
- if (IsReadableStreamLocked(stream) === true && ReadableStreamGetNumReadRequests(stream) > 0) {
- return true;
- }
- var desiredSize = ReadableStreamDefaultControllerGetDesiredSize(controller);
- if (desiredSize > 0) {
- return true;
- }
- return false;
- }
- function ReadableStreamDefaultControllerClose(controller) {
- var stream = controller._controlledReadableStream;
- assert(controller._closeRequested === false);
- assert(stream._state === 'readable');
- controller._closeRequested = true;
- if (controller._queue.length === 0) {
- ReadableStreamClose(stream);
- }
- }
- function ReadableStreamDefaultControllerEnqueue(controller, chunk) {
- var stream = controller._controlledReadableStream;
- assert(controller._closeRequested === false);
- assert(stream._state === 'readable');
- if (IsReadableStreamLocked(stream) === true && ReadableStreamGetNumReadRequests(stream) > 0) {
- ReadableStreamFulfillReadRequest(stream, chunk, false);
- } else {
- var chunkSize = 1;
- if (controller._strategySize !== undefined) {
- var strategySize = controller._strategySize;
- try {
- chunkSize = strategySize(chunk);
- } catch (chunkSizeE) {
- ReadableStreamDefaultControllerErrorIfNeeded(controller, chunkSizeE);
- throw chunkSizeE;
- }
- }
- try {
- EnqueueValueWithSize(controller, chunk, chunkSize);
- } catch (enqueueE) {
- ReadableStreamDefaultControllerErrorIfNeeded(controller, enqueueE);
- throw enqueueE;
- }
- }
- ReadableStreamDefaultControllerCallPullIfNeeded(controller);
- return undefined;
- }
- function ReadableStreamDefaultControllerError(controller, e) {
- var stream = controller._controlledReadableStream;
- assert(stream._state === 'readable');
- ResetQueue(controller);
- ReadableStreamError(stream, e);
- }
- function ReadableStreamDefaultControllerErrorIfNeeded(controller, e) {
- if (controller._controlledReadableStream._state === 'readable') {
- ReadableStreamDefaultControllerError(controller, e);
- }
- }
- function ReadableStreamDefaultControllerGetDesiredSize(controller) {
- var stream = controller._controlledReadableStream;
- var state = stream._state;
- if (state === 'errored') {
- return null;
- }
- if (state === 'closed') {
- return 0;
- }
- return controller._strategyHWM - controller._queueTotalSize;
- }
- var ReadableStreamBYOBRequest = function () {
- function ReadableStreamBYOBRequest(controller, view) {
- _classCallCheck(this, ReadableStreamBYOBRequest);
- this._associatedReadableByteStreamController = controller;
- this._view = view;
- }
- _createClass(ReadableStreamBYOBRequest, [{
- key: 'respond',
- value: function respond(bytesWritten) {
- if (IsReadableStreamBYOBRequest(this) === false) {
- throw byobRequestBrandCheckException('respond');
- }
- if (this._associatedReadableByteStreamController === undefined) {
- throw new TypeError('This BYOB request has been invalidated');
- }
- ReadableByteStreamControllerRespond(this._associatedReadableByteStreamController, bytesWritten);
- }
- }, {
- key: 'respondWithNewView',
- value: function respondWithNewView(view) {
- if (IsReadableStreamBYOBRequest(this) === false) {
- throw byobRequestBrandCheckException('respond');
- }
- if (this._associatedReadableByteStreamController === undefined) {
- throw new TypeError('This BYOB request has been invalidated');
- }
- if (!ArrayBuffer.isView(view)) {
- throw new TypeError('You can only respond with array buffer views');
- }
- ReadableByteStreamControllerRespondWithNewView(this._associatedReadableByteStreamController, view);
- }
- }, {
- key: 'view',
- get: function get() {
- return this._view;
- }
- }]);
- return ReadableStreamBYOBRequest;
- }();
- var ReadableByteStreamController = function () {
- function ReadableByteStreamController(stream, underlyingByteSource, highWaterMark) {
- _classCallCheck(this, ReadableByteStreamController);
- if (IsReadableStream(stream) === false) {
- throw new TypeError('ReadableByteStreamController can only be constructed with a ReadableStream instance given ' + 'a byte source');
- }
- if (stream._readableStreamController !== undefined) {
- throw new TypeError('ReadableByteStreamController instances can only be created by the ReadableStream constructor given a byte ' + 'source');
- }
- this._controlledReadableStream = stream;
- this._underlyingByteSource = underlyingByteSource;
- this._pullAgain = false;
- this._pulling = false;
- ReadableByteStreamControllerClearPendingPullIntos(this);
- this._queue = this._queueTotalSize = undefined;
- ResetQueue(this);
- this._closeRequested = false;
- this._started = false;
- this._strategyHWM = ValidateAndNormalizeHighWaterMark(highWaterMark);
- var autoAllocateChunkSize = underlyingByteSource.autoAllocateChunkSize;
- if (autoAllocateChunkSize !== undefined) {
- if (Number.isInteger(autoAllocateChunkSize) === false || autoAllocateChunkSize <= 0) {
- throw new RangeError('autoAllocateChunkSize must be a positive integer');
- }
- }
- this._autoAllocateChunkSize = autoAllocateChunkSize;
- this._pendingPullIntos = [];
- var controller = this;
- var startResult = InvokeOrNoop(underlyingByteSource, 'start', [this]);
- Promise.resolve(startResult).then(function () {
- controller._started = true;
- assert(controller._pulling === false);
- assert(controller._pullAgain === false);
- ReadableByteStreamControllerCallPullIfNeeded(controller);
- }, function (r) {
- if (stream._state === 'readable') {
- ReadableByteStreamControllerError(controller, r);
- }
- }).catch(rethrowAssertionErrorRejection);
- }
- _createClass(ReadableByteStreamController, [{
- key: 'close',
- value: function close() {
- if (IsReadableByteStreamController(this) === false) {
- throw byteStreamControllerBrandCheckException('close');
- }
- if (this._closeRequested === true) {
- throw new TypeError('The stream has already been closed; do not close it again!');
- }
- var state = this._controlledReadableStream._state;
- if (state !== 'readable') {
- throw new TypeError('The stream (in ' + state + ' state) is not in the readable state and cannot be closed');
- }
- ReadableByteStreamControllerClose(this);
- }
- }, {
- key: 'enqueue',
- value: function enqueue(chunk) {
- if (IsReadableByteStreamController(this) === false) {
- throw byteStreamControllerBrandCheckException('enqueue');
- }
- if (this._closeRequested === true) {
- throw new TypeError('stream is closed or draining');
- }
- var state = this._controlledReadableStream._state;
- if (state !== 'readable') {
- throw new TypeError('The stream (in ' + state + ' state) is not in the readable state and cannot be enqueued to');
- }
- if (!ArrayBuffer.isView(chunk)) {
- throw new TypeError('You can only enqueue array buffer views when using a ReadableByteStreamController');
- }
- ReadableByteStreamControllerEnqueue(this, chunk);
- }
- }, {
- key: 'error',
- value: function error(e) {
- if (IsReadableByteStreamController(this) === false) {
- throw byteStreamControllerBrandCheckException('error');
- }
- var stream = this._controlledReadableStream;
- if (stream._state !== 'readable') {
- throw new TypeError('The stream is ' + stream._state + ' and so cannot be errored');
- }
- ReadableByteStreamControllerError(this, e);
- }
- }, {
- key: '__cancelSteps',
- value: function __cancelSteps(reason) {
- if (this._pendingPullIntos.length > 0) {
- var firstDescriptor = this._pendingPullIntos[0];
- firstDescriptor.bytesFilled = 0;
- }
- ResetQueue(this);
- return PromiseInvokeOrNoop(this._underlyingByteSource, 'cancel', [reason]);
- }
- }, {
- key: '__pullSteps',
- value: function __pullSteps() {
- var stream = this._controlledReadableStream;
- assert(ReadableStreamHasDefaultReader(stream) === true);
- if (this._queueTotalSize > 0) {
- assert(ReadableStreamGetNumReadRequests(stream) === 0);
- var entry = this._queue.shift();
- this._queueTotalSize -= entry.byteLength;
- ReadableByteStreamControllerHandleQueueDrain(this);
- var view = void 0;
- try {
- view = new Uint8Array(entry.buffer, entry.byteOffset, entry.byteLength);
- } catch (viewE) {
- return Promise.reject(viewE);
- }
- return Promise.resolve(CreateIterResultObject(view, false));
- }
- var autoAllocateChunkSize = this._autoAllocateChunkSize;
- if (autoAllocateChunkSize !== undefined) {
- var buffer = void 0;
- try {
- buffer = new ArrayBuffer(autoAllocateChunkSize);
- } catch (bufferE) {
- return Promise.reject(bufferE);
- }
- var pullIntoDescriptor = {
- buffer: buffer,
- byteOffset: 0,
- byteLength: autoAllocateChunkSize,
- bytesFilled: 0,
- elementSize: 1,
- ctor: Uint8Array,
- readerType: 'default'
- };
- this._pendingPullIntos.push(pullIntoDescriptor);
- }
- var promise = ReadableStreamAddReadRequest(stream);
- ReadableByteStreamControllerCallPullIfNeeded(this);
- return promise;
- }
- }, {
- key: 'byobRequest',
- get: function get() {
- if (IsReadableByteStreamController(this) === false) {
- throw byteStreamControllerBrandCheckException('byobRequest');
- }
- if (this._byobRequest === undefined && this._pendingPullIntos.length > 0) {
- var firstDescriptor = this._pendingPullIntos[0];
- var view = new Uint8Array(firstDescriptor.buffer, firstDescriptor.byteOffset + firstDescriptor.bytesFilled, firstDescriptor.byteLength - firstDescriptor.bytesFilled);
- this._byobRequest = new ReadableStreamBYOBRequest(this, view);
- }
- return this._byobRequest;
- }
- }, {
- key: 'desiredSize',
- get: function get() {
- if (IsReadableByteStreamController(this) === false) {
- throw byteStreamControllerBrandCheckException('desiredSize');
- }
- return ReadableByteStreamControllerGetDesiredSize(this);
- }
- }]);
- return ReadableByteStreamController;
- }();
- function IsReadableByteStreamController(x) {
- if (!typeIsObject(x)) {
- return false;
- }
- if (!Object.prototype.hasOwnProperty.call(x, '_underlyingByteSource')) {
- return false;
- }
- return true;
- }
- function IsReadableStreamBYOBRequest(x) {
- if (!typeIsObject(x)) {
- return false;
- }
- if (!Object.prototype.hasOwnProperty.call(x, '_associatedReadableByteStreamController')) {
- return false;
- }
- return true;
- }
- function ReadableByteStreamControllerCallPullIfNeeded(controller) {
- var shouldPull = ReadableByteStreamControllerShouldCallPull(controller);
- if (shouldPull === false) {
- return undefined;
- }
- if (controller._pulling === true) {
- controller._pullAgain = true;
- return undefined;
- }
- assert(controller._pullAgain === false);
- controller._pulling = true;
- var pullPromise = PromiseInvokeOrNoop(controller._underlyingByteSource, 'pull', [controller]);
- pullPromise.then(function () {
- controller._pulling = false;
- if (controller._pullAgain === true) {
- controller._pullAgain = false;
- ReadableByteStreamControllerCallPullIfNeeded(controller);
- }
- }, function (e) {
- if (controller._controlledReadableStream._state === 'readable') {
- ReadableByteStreamControllerError(controller, e);
- }
- }).catch(rethrowAssertionErrorRejection);
- return undefined;
- }
- function ReadableByteStreamControllerClearPendingPullIntos(controller) {
- ReadableByteStreamControllerInvalidateBYOBRequest(controller);
- controller._pendingPullIntos = [];
- }
- function ReadableByteStreamControllerCommitPullIntoDescriptor(stream, pullIntoDescriptor) {
- assert(stream._state !== 'errored', 'state must not be errored');
- var done = false;
- if (stream._state === 'closed') {
- assert(pullIntoDescriptor.bytesFilled === 0);
- done = true;
- }
- var filledView = ReadableByteStreamControllerConvertPullIntoDescriptor(pullIntoDescriptor);
- if (pullIntoDescriptor.readerType === 'default') {
- ReadableStreamFulfillReadRequest(stream, filledView, done);
- } else {
- assert(pullIntoDescriptor.readerType === 'byob');
- ReadableStreamFulfillReadIntoRequest(stream, filledView, done);
- }
- }
- function ReadableByteStreamControllerConvertPullIntoDescriptor(pullIntoDescriptor) {
- var bytesFilled = pullIntoDescriptor.bytesFilled;
- var elementSize = pullIntoDescriptor.elementSize;
- assert(bytesFilled <= pullIntoDescriptor.byteLength);
- assert(bytesFilled % elementSize === 0);
- return new pullIntoDescriptor.ctor(pullIntoDescriptor.buffer, pullIntoDescriptor.byteOffset, bytesFilled / elementSize);
- }
- function ReadableByteStreamControllerEnqueueChunkToQueue(controller, buffer, byteOffset, byteLength) {
- controller._queue.push({
- buffer: buffer,
- byteOffset: byteOffset,
- byteLength: byteLength
- });
- controller._queueTotalSize += byteLength;
- }
- function ReadableByteStreamControllerFillPullIntoDescriptorFromQueue(controller, pullIntoDescriptor) {
- var elementSize = pullIntoDescriptor.elementSize;
- var currentAlignedBytes = pullIntoDescriptor.bytesFilled - pullIntoDescriptor.bytesFilled % elementSize;
- var maxBytesToCopy = Math.min(controller._queueTotalSize, pullIntoDescriptor.byteLength - pullIntoDescriptor.bytesFilled);
- var maxBytesFilled = pullIntoDescriptor.bytesFilled + maxBytesToCopy;
- var maxAlignedBytes = maxBytesFilled - maxBytesFilled % elementSize;
- var totalBytesToCopyRemaining = maxBytesToCopy;
- var ready = false;
- if (maxAlignedBytes > currentAlignedBytes) {
- totalBytesToCopyRemaining = maxAlignedBytes - pullIntoDescriptor.bytesFilled;
- ready = true;
- }
- var queue = controller._queue;
- while (totalBytesToCopyRemaining > 0) {
- var headOfQueue = queue[0];
- var bytesToCopy = Math.min(totalBytesToCopyRemaining, headOfQueue.byteLength);
- var destStart = pullIntoDescriptor.byteOffset + pullIntoDescriptor.bytesFilled;
- ArrayBufferCopy(pullIntoDescriptor.buffer, destStart, headOfQueue.buffer, headOfQueue.byteOffset, bytesToCopy);
- if (headOfQueue.byteLength === bytesToCopy) {
- queue.shift();
- } else {
- headOfQueue.byteOffset += bytesToCopy;
- headOfQueue.byteLength -= bytesToCopy;
- }
- controller._queueTotalSize -= bytesToCopy;
- ReadableByteStreamControllerFillHeadPullIntoDescriptor(controller, bytesToCopy, pullIntoDescriptor);
- totalBytesToCopyRemaining -= bytesToCopy;
- }
- if (ready === false) {
- assert(controller._queueTotalSize === 0, 'queue must be empty');
- assert(pullIntoDescriptor.bytesFilled > 0);
- assert(pullIntoDescriptor.bytesFilled < pullIntoDescriptor.elementSize);
- }
- return ready;
- }
- function ReadableByteStreamControllerFillHeadPullIntoDescriptor(controller, size, pullIntoDescriptor) {
- assert(controller._pendingPullIntos.length === 0 || controller._pendingPullIntos[0] === pullIntoDescriptor);
- ReadableByteStreamControllerInvalidateBYOBRequest(controller);
- pullIntoDescriptor.bytesFilled += size;
- }
- function ReadableByteStreamControllerHandleQueueDrain(controller) {
- assert(controller._controlledReadableStream._state === 'readable');
- if (controller._queueTotalSize === 0 && controller._closeRequested === true) {
- ReadableStreamClose(controller._controlledReadableStream);
- } else {
- ReadableByteStreamControllerCallPullIfNeeded(controller);
- }
- }
- function ReadableByteStreamControllerInvalidateBYOBRequest(controller) {
- if (controller._byobRequest === undefined) {
- return;
- }
- controller._byobRequest._associatedReadableByteStreamController = undefined;
- controller._byobRequest._view = undefined;
- controller._byobRequest = undefined;
- }
- function ReadableByteStreamControllerProcessPullIntoDescriptorsUsingQueue(controller) {
- assert(controller._closeRequested === false);
- while (controller._pendingPullIntos.length > 0) {
- if (controller._queueTotalSize === 0) {
- return;
- }
- var pullIntoDescriptor = controller._pendingPullIntos[0];
- if (ReadableByteStreamControllerFillPullIntoDescriptorFromQueue(controller, pullIntoDescriptor) === true) {
- ReadableByteStreamControllerShiftPendingPullInto(controller);
- ReadableByteStreamControllerCommitPullIntoDescriptor(controller._controlledReadableStream, pullIntoDescriptor);
- }
- }
- }
- function ReadableByteStreamControllerPullInto(controller, view) {
- var stream = controller._controlledReadableStream;
- var elementSize = 1;
- if (view.constructor !== DataView) {
- elementSize = view.constructor.BYTES_PER_ELEMENT;
- }
- var ctor = view.constructor;
- var pullIntoDescriptor = {
- buffer: view.buffer,
- byteOffset: view.byteOffset,
- byteLength: view.byteLength,
- bytesFilled: 0,
- elementSize: elementSize,
- ctor: ctor,
- readerType: 'byob'
- };
- if (controller._pendingPullIntos.length > 0) {
- pullIntoDescriptor.buffer = TransferArrayBuffer(pullIntoDescriptor.buffer);
- controller._pendingPullIntos.push(pullIntoDescriptor);
- return ReadableStreamAddReadIntoRequest(stream);
- }
- if (stream._state === 'closed') {
- var emptyView = new view.constructor(pullIntoDescriptor.buffer, pullIntoDescriptor.byteOffset, 0);
- return Promise.resolve(CreateIterResultObject(emptyView, true));
- }
- if (controller._queueTotalSize > 0) {
- if (ReadableByteStreamControllerFillPullIntoDescriptorFromQueue(controller, pullIntoDescriptor) === true) {
- var filledView = ReadableByteStreamControllerConvertPullIntoDescriptor(pullIntoDescriptor);
- ReadableByteStreamControllerHandleQueueDrain(controller);
- return Promise.resolve(CreateIterResultObject(filledView, false));
- }
- if (controller._closeRequested === true) {
- var e = new TypeError('Insufficient bytes to fill elements in the given buffer');
- ReadableByteStreamControllerError(controller, e);
- return Promise.reject(e);
- }
- }
- pullIntoDescriptor.buffer = TransferArrayBuffer(pullIntoDescriptor.buffer);
- controller._pendingPullIntos.push(pullIntoDescriptor);
- var promise = ReadableStreamAddReadIntoRequest(stream);
- ReadableByteStreamControllerCallPullIfNeeded(controller);
- return promise;
- }
- function ReadableByteStreamControllerRespondInClosedState(controller, firstDescriptor) {
- firstDescriptor.buffer = TransferArrayBuffer(firstDescriptor.buffer);
- assert(firstDescriptor.bytesFilled === 0, 'bytesFilled must be 0');
- var stream = controller._controlledReadableStream;
- if (ReadableStreamHasBYOBReader(stream) === true) {
- while (ReadableStreamGetNumReadIntoRequests(stream) > 0) {
- var pullIntoDescriptor = ReadableByteStreamControllerShiftPendingPullInto(controller);
- ReadableByteStreamControllerCommitPullIntoDescriptor(stream, pullIntoDescriptor);
- }
- }
- }
- function ReadableByteStreamControllerRespondInReadableState(controller, bytesWritten, pullIntoDescriptor) {
- if (pullIntoDescriptor.bytesFilled + bytesWritten > pullIntoDescriptor.byteLength) {
- throw new RangeError('bytesWritten out of range');
- }
- ReadableByteStreamControllerFillHeadPullIntoDescriptor(controller, bytesWritten, pullIntoDescriptor);
- if (pullIntoDescriptor.bytesFilled < pullIntoDescriptor.elementSize) {
- return;
- }
- ReadableByteStreamControllerShiftPendingPullInto(controller);
- var remainderSize = pullIntoDescriptor.bytesFilled % pullIntoDescriptor.elementSize;
- if (remainderSize > 0) {
- var end = pullIntoDescriptor.byteOffset + pullIntoDescriptor.bytesFilled;
- var remainder = pullIntoDescriptor.buffer.slice(end - remainderSize, end);
- ReadableByteStreamControllerEnqueueChunkToQueue(controller, remainder, 0, remainder.byteLength);
- }
- pullIntoDescriptor.buffer = TransferArrayBuffer(pullIntoDescriptor.buffer);
- pullIntoDescriptor.bytesFilled -= remainderSize;
- ReadableByteStreamControllerCommitPullIntoDescriptor(controller._controlledReadableStream, pullIntoDescriptor);
- ReadableByteStreamControllerProcessPullIntoDescriptorsUsingQueue(controller);
- }
- function ReadableByteStreamControllerRespondInternal(controller, bytesWritten) {
- var firstDescriptor = controller._pendingPullIntos[0];
- var stream = controller._controlledReadableStream;
- if (stream._state === 'closed') {
- if (bytesWritten !== 0) {
- throw new TypeError('bytesWritten must be 0 when calling respond() on a closed stream');
- }
- ReadableByteStreamControllerRespondInClosedState(controller, firstDescriptor);
- } else {
- assert(stream._state === 'readable');
- ReadableByteStreamControllerRespondInReadableState(controller, bytesWritten, firstDescriptor);
- }
- }
- function ReadableByteStreamControllerShiftPendingPullInto(controller) {
- var descriptor = controller._pendingPullIntos.shift();
- ReadableByteStreamControllerInvalidateBYOBRequest(controller);
- return descriptor;
- }
- function ReadableByteStreamControllerShouldCallPull(controller) {
- var stream = controller._controlledReadableStream;
- if (stream._state !== 'readable') {
- return false;
- }
- if (controller._closeRequested === true) {
- return false;
- }
- if (controller._started === false) {
- return false;
- }
- if (ReadableStreamHasDefaultReader(stream) === true && ReadableStreamGetNumReadRequests(stream) > 0) {
- return true;
- }
- if (ReadableStreamHasBYOBReader(stream) === true && ReadableStreamGetNumReadIntoRequests(stream) > 0) {
- return true;
- }
- if (ReadableByteStreamControllerGetDesiredSize(controller) > 0) {
- return true;
- }
- return false;
- }
- function ReadableByteStreamControllerClose(controller) {
- var stream = controller._controlledReadableStream;
- assert(controller._closeRequested === false);
- assert(stream._state === 'readable');
- if (controller._queueTotalSize > 0) {
- controller._closeRequested = true;
- return;
- }
- if (controller._pendingPullIntos.length > 0) {
- var firstPendingPullInto = controller._pendingPullIntos[0];
- if (firstPendingPullInto.bytesFilled > 0) {
- var e = new TypeError('Insufficient bytes to fill elements in the given buffer');
- ReadableByteStreamControllerError(controller, e);
- throw e;
- }
- }
- ReadableStreamClose(stream);
- }
- function ReadableByteStreamControllerEnqueue(controller, chunk) {
- var stream = controller._controlledReadableStream;
- assert(controller._closeRequested === false);
- assert(stream._state === 'readable');
- var buffer = chunk.buffer;
- var byteOffset = chunk.byteOffset;
- var byteLength = chunk.byteLength;
- var transferredBuffer = TransferArrayBuffer(buffer);
- if (ReadableStreamHasDefaultReader(stream) === true) {
- if (ReadableStreamGetNumReadRequests(stream) === 0) {
- ReadableByteStreamControllerEnqueueChunkToQueue(controller, transferredBuffer, byteOffset, byteLength);
- } else {
- assert(controller._queue.length === 0);
- var transferredView = new Uint8Array(transferredBuffer, byteOffset, byteLength);
- ReadableStreamFulfillReadRequest(stream, transferredView, false);
- }
- } else if (ReadableStreamHasBYOBReader(stream) === true) {
- ReadableByteStreamControllerEnqueueChunkToQueue(controller, transferredBuffer, byteOffset, byteLength);
- ReadableByteStreamControllerProcessPullIntoDescriptorsUsingQueue(controller);
- } else {
- assert(IsReadableStreamLocked(stream) === false, 'stream must not be locked');
- ReadableByteStreamControllerEnqueueChunkToQueue(controller, transferredBuffer, byteOffset, byteLength);
- }
- }
- function ReadableByteStreamControllerError(controller, e) {
- var stream = controller._controlledReadableStream;
- assert(stream._state === 'readable');
- ReadableByteStreamControllerClearPendingPullIntos(controller);
- ResetQueue(controller);
- ReadableStreamError(stream, e);
- }
- function ReadableByteStreamControllerGetDesiredSize(controller) {
- var stream = controller._controlledReadableStream;
- var state = stream._state;
- if (state === 'errored') {
- return null;
- }
- if (state === 'closed') {
- return 0;
- }
- return controller._strategyHWM - controller._queueTotalSize;
- }
- function ReadableByteStreamControllerRespond(controller, bytesWritten) {
- bytesWritten = Number(bytesWritten);
- if (IsFiniteNonNegativeNumber(bytesWritten) === false) {
- throw new RangeError('bytesWritten must be a finite');
- }
- assert(controller._pendingPullIntos.length > 0);
- ReadableByteStreamControllerRespondInternal(controller, bytesWritten);
- }
- function ReadableByteStreamControllerRespondWithNewView(controller, view) {
- assert(controller._pendingPullIntos.length > 0);
- var firstDescriptor = controller._pendingPullIntos[0];
- if (firstDescriptor.byteOffset + firstDescriptor.bytesFilled !== view.byteOffset) {
- throw new RangeError('The region specified by view does not match byobRequest');
- }
- if (firstDescriptor.byteLength !== view.byteLength) {
- throw new RangeError('The buffer of view has different capacity than byobRequest');
- }
- firstDescriptor.buffer = view.buffer;
- ReadableByteStreamControllerRespondInternal(controller, view.byteLength);
- }
- function streamBrandCheckException(name) {
- return new TypeError('ReadableStream.prototype.' + name + ' can only be used on a ReadableStream');
- }
- function readerLockException(name) {
- return new TypeError('Cannot ' + name + ' a stream using a released reader');
- }
- function defaultReaderBrandCheckException(name) {
- return new TypeError('ReadableStreamDefaultReader.prototype.' + name + ' can only be used on a ReadableStreamDefaultReader');
- }
- function defaultReaderClosedPromiseInitialize(reader) {
- reader._closedPromise = new Promise(function (resolve, reject) {
- reader._closedPromise_resolve = resolve;
- reader._closedPromise_reject = reject;
- });
- }
- function defaultReaderClosedPromiseInitializeAsRejected(reader, reason) {
- reader._closedPromise = Promise.reject(reason);
- reader._closedPromise_resolve = undefined;
- reader._closedPromise_reject = undefined;
- }
- function defaultReaderClosedPromiseInitializeAsResolved(reader) {
- reader._closedPromise = Promise.resolve(undefined);
- reader._closedPromise_resolve = undefined;
- reader._closedPromise_reject = undefined;
- }
- function defaultReaderClosedPromiseReject(reader, reason) {
- assert(reader._closedPromise_resolve !== undefined);
- assert(reader._closedPromise_reject !== undefined);
- reader._closedPromise_reject(reason);
- reader._closedPromise_resolve = undefined;
- reader._closedPromise_reject = undefined;
- }
- function defaultReaderClosedPromiseResetToRejected(reader, reason) {
- assert(reader._closedPromise_resolve === undefined);
- assert(reader._closedPromise_reject === undefined);
- reader._closedPromise = Promise.reject(reason);
- }
- function defaultReaderClosedPromiseResolve(reader) {
- assert(reader._closedPromise_resolve !== undefined);
- assert(reader._closedPromise_reject !== undefined);
- reader._closedPromise_resolve(undefined);
- reader._closedPromise_resolve = undefined;
- reader._closedPromise_reject = undefined;
- }
- function byobReaderBrandCheckException(name) {
- return new TypeError('ReadableStreamBYOBReader.prototype.' + name + ' can only be used on a ReadableStreamBYOBReader');
- }
- function defaultControllerBrandCheckException(name) {
- return new TypeError('ReadableStreamDefaultController.prototype.' + name + ' can only be used on a ReadableStreamDefaultController');
- }
- function byobRequestBrandCheckException(name) {
- return new TypeError('ReadableStreamBYOBRequest.prototype.' + name + ' can only be used on a ReadableStreamBYOBRequest');
- }
- function byteStreamControllerBrandCheckException(name) {
- return new TypeError('ReadableByteStreamController.prototype.' + name + ' can only be used on a ReadableByteStreamController');
- }
- function ifIsObjectAndHasAPromiseIsHandledInternalSlotSetPromiseIsHandledToTrue(promise) {
- try {
- Promise.prototype.then.call(promise, undefined, function () {});
- } catch (e) {}
- }
-}, function (module, exports, __w_pdfjs_require__) {
- "use strict";
- var transformStream = __w_pdfjs_require__(6);
- var readableStream = __w_pdfjs_require__(4);
- var writableStream = __w_pdfjs_require__(2);
- exports.TransformStream = transformStream.TransformStream;
- exports.ReadableStream = readableStream.ReadableStream;
- exports.IsReadableStreamDisturbed = readableStream.IsReadableStreamDisturbed;
- exports.ReadableStreamDefaultControllerClose = readableStream.ReadableStreamDefaultControllerClose;
- exports.ReadableStreamDefaultControllerEnqueue = readableStream.ReadableStreamDefaultControllerEnqueue;
- exports.ReadableStreamDefaultControllerError = readableStream.ReadableStreamDefaultControllerError;
- exports.ReadableStreamDefaultControllerGetDesiredSize = readableStream.ReadableStreamDefaultControllerGetDesiredSize;
- exports.AcquireWritableStreamDefaultWriter = writableStream.AcquireWritableStreamDefaultWriter;
- exports.IsWritableStream = writableStream.IsWritableStream;
- exports.IsWritableStreamLocked = writableStream.IsWritableStreamLocked;
- exports.WritableStream = writableStream.WritableStream;
- exports.WritableStreamAbort = writableStream.WritableStreamAbort;
- exports.WritableStreamDefaultControllerError = writableStream.WritableStreamDefaultControllerError;
- exports.WritableStreamDefaultWriterCloseWithErrorPropagation = writableStream.WritableStreamDefaultWriterCloseWithErrorPropagation;
- exports.WritableStreamDefaultWriterRelease = writableStream.WritableStreamDefaultWriterRelease;
- exports.WritableStreamDefaultWriterWrite = writableStream.WritableStreamDefaultWriterWrite;
-}, function (module, exports, __w_pdfjs_require__) {
- "use strict";
+ k1 = 0;
- var _createClass = function () {
- function defineProperties(target, props) {
- for (var i = 0; i < props.length; i++) {
- var descriptor = props[i];
- descriptor.enumerable = descriptor.enumerable || false;
- descriptor.configurable = true;
- if ("value" in descriptor) descriptor.writable = true;
- Object.defineProperty(target, descriptor.key, descriptor);
- }
- }
- return function (Constructor, protoProps, staticProps) {
- if (protoProps) defineProperties(Constructor.prototype, protoProps);
- if (staticProps) defineProperties(Constructor, staticProps);
- return Constructor;
- };
- }();
- function _classCallCheck(instance, Constructor) {
- if (!(instance instanceof Constructor)) {
- throw new TypeError("Cannot call a class as a function");
- }
- }
- var _require = __w_pdfjs_require__(1),
- assert = _require.assert;
- var _require2 = __w_pdfjs_require__(0),
- InvokeOrNoop = _require2.InvokeOrNoop,
- PromiseInvokeOrPerformFallback = _require2.PromiseInvokeOrPerformFallback,
- PromiseInvokeOrNoop = _require2.PromiseInvokeOrNoop,
- typeIsObject = _require2.typeIsObject;
- var _require3 = __w_pdfjs_require__(4),
- ReadableStream = _require3.ReadableStream,
- ReadableStreamDefaultControllerClose = _require3.ReadableStreamDefaultControllerClose,
- ReadableStreamDefaultControllerEnqueue = _require3.ReadableStreamDefaultControllerEnqueue,
- ReadableStreamDefaultControllerError = _require3.ReadableStreamDefaultControllerError,
- ReadableStreamDefaultControllerGetDesiredSize = _require3.ReadableStreamDefaultControllerGetDesiredSize;
- var _require4 = __w_pdfjs_require__(2),
- WritableStream = _require4.WritableStream,
- WritableStreamDefaultControllerError = _require4.WritableStreamDefaultControllerError;
- function TransformStreamCloseReadable(transformStream) {
- if (transformStream._errored === true) {
- throw new TypeError('TransformStream is already errored');
- }
- if (transformStream._readableClosed === true) {
- throw new TypeError('Readable side is already closed');
- }
- TransformStreamCloseReadableInternal(transformStream);
- }
- function TransformStreamEnqueueToReadable(transformStream, chunk) {
- if (transformStream._errored === true) {
- throw new TypeError('TransformStream is already errored');
- }
- if (transformStream._readableClosed === true) {
- throw new TypeError('Readable side is already closed');
- }
- var controller = transformStream._readableController;
- try {
- ReadableStreamDefaultControllerEnqueue(controller, chunk);
- } catch (e) {
- transformStream._readableClosed = true;
- TransformStreamErrorIfNeeded(transformStream, e);
- throw transformStream._storedError;
- }
- var desiredSize = ReadableStreamDefaultControllerGetDesiredSize(controller);
- var maybeBackpressure = desiredSize <= 0;
- if (maybeBackpressure === true && transformStream._backpressure === false) {
- TransformStreamSetBackpressure(transformStream, true);
- }
- }
- function TransformStreamError(transformStream, e) {
- if (transformStream._errored === true) {
- throw new TypeError('TransformStream is already errored');
- }
- TransformStreamErrorInternal(transformStream, e);
- }
- function TransformStreamCloseReadableInternal(transformStream) {
- assert(transformStream._errored === false);
- assert(transformStream._readableClosed === false);
- try {
- ReadableStreamDefaultControllerClose(transformStream._readableController);
- } catch (e) {
- assert(false);
- }
- transformStream._readableClosed = true;
- }
- function TransformStreamErrorIfNeeded(transformStream, e) {
- if (transformStream._errored === false) {
- TransformStreamErrorInternal(transformStream, e);
- }
- }
- function TransformStreamErrorInternal(transformStream, e) {
- assert(transformStream._errored === false);
- transformStream._errored = true;
- transformStream._storedError = e;
- if (transformStream._writableDone === false) {
- WritableStreamDefaultControllerError(transformStream._writableController, e);
- }
- if (transformStream._readableClosed === false) {
- ReadableStreamDefaultControllerError(transformStream._readableController, e);
- }
- }
- function TransformStreamReadableReadyPromise(transformStream) {
- assert(transformStream._backpressureChangePromise !== undefined, '_backpressureChangePromise should have been initialized');
- if (transformStream._backpressure === false) {
- return Promise.resolve();
- }
- assert(transformStream._backpressure === true, '_backpressure should have been initialized');
- return transformStream._backpressureChangePromise;
- }
- function TransformStreamSetBackpressure(transformStream, backpressure) {
- assert(transformStream._backpressure !== backpressure, 'TransformStreamSetBackpressure() should be called only when backpressure is changed');
- if (transformStream._backpressureChangePromise !== undefined) {
- transformStream._backpressureChangePromise_resolve(backpressure);
- }
- transformStream._backpressureChangePromise = new Promise(function (resolve) {
- transformStream._backpressureChangePromise_resolve = resolve;
- });
- transformStream._backpressureChangePromise.then(function (resolution) {
- assert(resolution !== backpressure, '_backpressureChangePromise should be fulfilled only when backpressure is changed');
- });
- transformStream._backpressure = backpressure;
- }
- function TransformStreamDefaultTransform(chunk, transformStreamController) {
- var transformStream = transformStreamController._controlledTransformStream;
- TransformStreamEnqueueToReadable(transformStream, chunk);
- return Promise.resolve();
- }
- function TransformStreamTransform(transformStream, chunk) {
- assert(transformStream._errored === false);
- assert(transformStream._transforming === false);
- assert(transformStream._backpressure === false);
- transformStream._transforming = true;
- var transformer = transformStream._transformer;
- var controller = transformStream._transformStreamController;
- var transformPromise = PromiseInvokeOrPerformFallback(transformer, 'transform', [chunk, controller], TransformStreamDefaultTransform, [chunk, controller]);
- return transformPromise.then(function () {
- transformStream._transforming = false;
- return TransformStreamReadableReadyPromise(transformStream);
- }, function (e) {
- TransformStreamErrorIfNeeded(transformStream, e);
- return Promise.reject(e);
- });
- }
- function IsTransformStreamDefaultController(x) {
- if (!typeIsObject(x)) {
- return false;
- }
- if (!Object.prototype.hasOwnProperty.call(x, '_controlledTransformStream')) {
- return false;
- }
- return true;
- }
- function IsTransformStream(x) {
- if (!typeIsObject(x)) {
- return false;
- }
- if (!Object.prototype.hasOwnProperty.call(x, '_transformStreamController')) {
- return false;
- }
- return true;
- }
- var TransformStreamSink = function () {
- function TransformStreamSink(transformStream, startPromise) {
- _classCallCheck(this, TransformStreamSink);
- this._transformStream = transformStream;
- this._startPromise = startPromise;
- }
- _createClass(TransformStreamSink, [{
- key: 'start',
- value: function start(c) {
- var transformStream = this._transformStream;
- transformStream._writableController = c;
- return this._startPromise.then(function () {
- return TransformStreamReadableReadyPromise(transformStream);
- });
- }
- }, {
- key: 'write',
- value: function write(chunk) {
- var transformStream = this._transformStream;
- return TransformStreamTransform(transformStream, chunk);
- }
- }, {
- key: 'abort',
- value: function abort() {
- var transformStream = this._transformStream;
- transformStream._writableDone = true;
- TransformStreamErrorInternal(transformStream, new TypeError('Writable side aborted'));
- }
- }, {
- key: 'close',
- value: function close() {
- var transformStream = this._transformStream;
- assert(transformStream._transforming === false);
- transformStream._writableDone = true;
- var flushPromise = PromiseInvokeOrNoop(transformStream._transformer, 'flush', [transformStream._transformStreamController]);
- return flushPromise.then(function () {
- if (transformStream._errored === true) {
- return Promise.reject(transformStream._storedError);
- }
- if (transformStream._readableClosed === false) {
- TransformStreamCloseReadableInternal(transformStream);
- }
- return Promise.resolve();
- }).catch(function (r) {
- TransformStreamErrorIfNeeded(transformStream, r);
- return Promise.reject(transformStream._storedError);
- });
- }
- }]);
- return TransformStreamSink;
- }();
- var TransformStreamSource = function () {
- function TransformStreamSource(transformStream, startPromise) {
- _classCallCheck(this, TransformStreamSource);
- this._transformStream = transformStream;
- this._startPromise = startPromise;
- }
- _createClass(TransformStreamSource, [{
- key: 'start',
- value: function start(c) {
- var transformStream = this._transformStream;
- transformStream._readableController = c;
- return this._startPromise.then(function () {
- assert(transformStream._backpressureChangePromise !== undefined, '_backpressureChangePromise should have been initialized');
- if (transformStream._backpressure === true) {
- return Promise.resolve();
- }
- assert(transformStream._backpressure === false, '_backpressure should have been initialized');
- return transformStream._backpressureChangePromise;
- });
- }
- }, {
- key: 'pull',
- value: function pull() {
- var transformStream = this._transformStream;
- assert(transformStream._backpressure === true, 'pull() should be never called while _backpressure is false');
- assert(transformStream._backpressureChangePromise !== undefined, '_backpressureChangePromise should have been initialized');
- TransformStreamSetBackpressure(transformStream, false);
- return transformStream._backpressureChangePromise;
- }
- }, {
- key: 'cancel',
- value: function cancel() {
- var transformStream = this._transformStream;
- transformStream._readableClosed = true;
- TransformStreamErrorInternal(transformStream, new TypeError('Readable side canceled'));
- }
- }]);
- return TransformStreamSource;
- }();
- var TransformStreamDefaultController = function () {
- function TransformStreamDefaultController(transformStream) {
- _classCallCheck(this, TransformStreamDefaultController);
- if (IsTransformStream(transformStream) === false) {
- throw new TypeError('TransformStreamDefaultController can only be ' + 'constructed with a TransformStream instance');
- }
- if (transformStream._transformStreamController !== undefined) {
- throw new TypeError('TransformStreamDefaultController instances can ' + 'only be created by the TransformStream constructor');
- }
- this._controlledTransformStream = transformStream;
- }
- _createClass(TransformStreamDefaultController, [{
- key: 'enqueue',
- value: function enqueue(chunk) {
- if (IsTransformStreamDefaultController(this) === false) {
- throw defaultControllerBrandCheckException('enqueue');
+ switch (tailLength) {
+ case 3:
+ k1 ^= data[blockCounts * 4 + 2] << 16;
+
+ case 2:
+ k1 ^= data[blockCounts * 4 + 1] << 8;
+
+ case 1:
+ k1 ^= data[blockCounts * 4];
+ k1 = k1 * C1 & MASK_HIGH | k1 * C1_LOW & MASK_LOW;
+ k1 = k1 << 15 | k1 >>> 17;
+ k1 = k1 * C2 & MASK_HIGH | k1 * C2_LOW & MASK_LOW;
+
+ if (blockCounts & 1) {
+ h1 ^= k1;
+ } else {
+ h2 ^= k1;
}
- TransformStreamEnqueueToReadable(this._controlledTransformStream, chunk);
- }
- }, {
- key: 'close',
- value: function close() {
- if (IsTransformStreamDefaultController(this) === false) {
- throw defaultControllerBrandCheckException('close');
- }
- TransformStreamCloseReadable(this._controlledTransformStream);
- }
- }, {
- key: 'error',
- value: function error(reason) {
- if (IsTransformStreamDefaultController(this) === false) {
- throw defaultControllerBrandCheckException('error');
- }
- TransformStreamError(this._controlledTransformStream, reason);
- }
- }, {
- key: 'desiredSize',
- get: function get() {
- if (IsTransformStreamDefaultController(this) === false) {
- throw defaultControllerBrandCheckException('desiredSize');
- }
- var transformStream = this._controlledTransformStream;
- var readableController = transformStream._readableController;
- return ReadableStreamDefaultControllerGetDesiredSize(readableController);
- }
- }]);
- return TransformStreamDefaultController;
- }();
- var TransformStream = function () {
- function TransformStream() {
- var transformer = arguments.length > 0 && arguments[0] !== undefined ? arguments[0] : {};
- _classCallCheck(this, TransformStream);
- this._transformer = transformer;
- var readableStrategy = transformer.readableStrategy,
- writableStrategy = transformer.writableStrategy;
- this._transforming = false;
- this._errored = false;
- this._storedError = undefined;
- this._writableController = undefined;
- this._readableController = undefined;
- this._transformStreamController = undefined;
- this._writableDone = false;
- this._readableClosed = false;
- this._backpressure = undefined;
- this._backpressureChangePromise = undefined;
- this._backpressureChangePromise_resolve = undefined;
- this._transformStreamController = new TransformStreamDefaultController(this);
- var startPromise_resolve = void 0;
- var startPromise = new Promise(function (resolve) {
- startPromise_resolve = resolve;
- });
- var source = new TransformStreamSource(this, startPromise);
- this._readable = new ReadableStream(source, readableStrategy);
- var sink = new TransformStreamSink(this, startPromise);
- this._writable = new WritableStream(sink, writableStrategy);
- assert(this._writableController !== undefined);
- assert(this._readableController !== undefined);
- var desiredSize = ReadableStreamDefaultControllerGetDesiredSize(this._readableController);
- TransformStreamSetBackpressure(this, desiredSize <= 0);
- var transformStream = this;
- var startResult = InvokeOrNoop(transformer, 'start', [transformStream._transformStreamController]);
- startPromise_resolve(startResult);
- startPromise.catch(function (e) {
- if (transformStream._errored === false) {
- transformStream._errored = true;
- transformStream._storedError = e;
- }
- });
+
}
- _createClass(TransformStream, [{
- key: 'readable',
- get: function get() {
- if (IsTransformStream(this) === false) {
- throw streamBrandCheckException('readable');
- }
- return this._readable;
- }
- }, {
- key: 'writable',
- get: function get() {
- if (IsTransformStream(this) === false) {
- throw streamBrandCheckException('writable');
- }
- return this._writable;
- }
- }]);
- return TransformStream;
- }();
- module.exports = { TransformStream: TransformStream };
- function defaultControllerBrandCheckException(name) {
- return new TypeError('TransformStreamDefaultController.prototype.' + name + ' can only be used on a TransformStreamDefaultController');
+
+ this.h1 = h1;
+ this.h2 = h2;
}
- function streamBrandCheckException(name) {
- return new TypeError('TransformStream.prototype.' + name + ' can only be used on a TransformStream');
+
+ hexdigest() {
+ let h1 = this.h1,
+ h2 = this.h2;
+ h1 ^= h2 >>> 1;
+ h1 = h1 * 0xed558ccd & MASK_HIGH | h1 * 0x8ccd & MASK_LOW;
+ h2 = h2 * 0xff51afd7 & MASK_HIGH | ((h2 << 16 | h1 >>> 16) * 0xafd7ed55 & MASK_HIGH) >>> 16;
+ h1 ^= h2 >>> 1;
+ h1 = h1 * 0x1a85ec53 & MASK_HIGH | h1 * 0xec53 & MASK_LOW;
+ h2 = h2 * 0xc4ceb9fe & MASK_HIGH | ((h2 << 16 | h1 >>> 16) * 0xb9fe1a85 & MASK_HIGH) >>> 16;
+ h1 ^= h2 >>> 1;
+ const hex1 = (h1 >>> 0).toString(16),
+ hex2 = (h2 >>> 0).toString(16);
+ return hex1.padStart(8, "0") + hex2.padStart(8, "0");
}
-}, function (module, exports, __w_pdfjs_require__) {
- module.exports = __w_pdfjs_require__(5);
-}]));
+
+}
+
+exports.MurmurHash3_64 = MurmurHash3_64;
/***/ }),
/* 11 */
-/***/ (function(module, exports, __w_pdfjs_require__) {
-
-"use strict";
+/***/ ((__unused_webpack_module, exports, __w_pdfjs_require__) => {
-Object.defineProperty(exports, "__esModule", {
+
+Object.defineProperty(exports, "__esModule", ({
value: true
-});
-exports.CanvasGraphics = undefined;
+}));
+exports.FontLoader = exports.FontFaceObject = void 0;
-var _util = __w_pdfjs_require__(0);
+var _util = __w_pdfjs_require__(1);
+
+class BaseFontLoader {
+ constructor({
+ docId,
+ onUnsupportedFeature,
+ ownerDocument = globalThis.document,
+ styleElement = null
+ }) {
+ if (this.constructor === BaseFontLoader) {
+ (0, _util.unreachable)("Cannot initialize BaseFontLoader.");
+ }
+
+ this.docId = docId;
+ this._onUnsupportedFeature = onUnsupportedFeature;
+ this._document = ownerDocument;
+ this.nativeFontFaces = [];
+ this.styleElement = null;
+ }
+
+ addNativeFontFace(nativeFontFace) {
+ this.nativeFontFaces.push(nativeFontFace);
+
+ this._document.fonts.add(nativeFontFace);
+ }
+
+ insertRule(rule) {
+ let styleElement = this.styleElement;
+
+ if (!styleElement) {
+ styleElement = this.styleElement = this._document.createElement("style");
+ styleElement.id = `PDFJS_FONT_STYLE_TAG_${this.docId}`;
+
+ this._document.documentElement.getElementsByTagName("head")[0].append(styleElement);
+ }
+
+ const styleSheet = styleElement.sheet;
+ styleSheet.insertRule(rule, styleSheet.cssRules.length);
+ }
+
+ clear() {
+ for (const nativeFontFace of this.nativeFontFaces) {
+ this._document.fonts.delete(nativeFontFace);
+ }
+
+ this.nativeFontFaces.length = 0;
+
+ if (this.styleElement) {
+ this.styleElement.remove();
+ this.styleElement = null;
+ }
+ }
+
+ async bind(font) {
+ if (font.attached || font.missingFile) {
+ return;
+ }
+
+ font.attached = true;
+
+ if (this.isFontLoadingAPISupported) {
+ const nativeFontFace = font.createNativeFontFace();
+
+ if (nativeFontFace) {
+ this.addNativeFontFace(nativeFontFace);
+
+ try {
+ await nativeFontFace.loaded;
+ } catch (ex) {
+ this._onUnsupportedFeature({
+ featureId: _util.UNSUPPORTED_FEATURES.errorFontLoadNative
+ });
+
+ (0, _util.warn)(`Failed to load font '${nativeFontFace.family}': '${ex}'.`);
+ font.disableFontFace = true;
+ throw ex;
+ }
+ }
+
+ return;
+ }
+
+ const rule = font.createFontFaceRule();
+
+ if (rule) {
+ this.insertRule(rule);
+
+ if (this.isSyncFontLoadingSupported) {
+ return;
+ }
+
+ await new Promise(resolve => {
+ const request = this._queueLoadingCallback(resolve);
+
+ this._prepareFontLoadEvent([rule], [font], request);
+ });
+ }
+ }
+
+ _queueLoadingCallback(callback) {
+ (0, _util.unreachable)("Abstract method `_queueLoadingCallback`.");
+ }
+
+ get isFontLoadingAPISupported() {
+ const hasFonts = !!this._document?.fonts;
+ return (0, _util.shadow)(this, "isFontLoadingAPISupported", hasFonts);
+ }
+
+ get isSyncFontLoadingSupported() {
+ (0, _util.unreachable)("Abstract method `isSyncFontLoadingSupported`.");
+ }
+
+ get _loadTestFont() {
+ (0, _util.unreachable)("Abstract method `_loadTestFont`.");
+ }
+
+ _prepareFontLoadEvent(rules, fontsToLoad, request) {
+ (0, _util.unreachable)("Abstract method `_prepareFontLoadEvent`.");
+ }
+
+}
+
+let FontLoader;
+exports.FontLoader = FontLoader;
+{
+ exports.FontLoader = FontLoader = class GenericFontLoader extends BaseFontLoader {
+ constructor(params) {
+ super(params);
+ this.loadingContext = {
+ requests: [],
+ nextRequestId: 0
+ };
+ this.loadTestFontId = 0;
+ }
+
+ get isSyncFontLoadingSupported() {
+ let supported = false;
+
+ if (typeof navigator === "undefined") {
+ supported = true;
+ } else {
+ const m = /Mozilla\/5.0.*?rv:(\d+).*? Gecko/.exec(navigator.userAgent);
+
+ if (m?.[1] >= 14) {
+ supported = true;
+ }
+ }
+
+ return (0, _util.shadow)(this, "isSyncFontLoadingSupported", supported);
+ }
+
+ _queueLoadingCallback(callback) {
+ function completeRequest() {
+ (0, _util.assert)(!request.done, "completeRequest() cannot be called twice.");
+ request.done = true;
+
+ while (context.requests.length > 0 && context.requests[0].done) {
+ const otherRequest = context.requests.shift();
+ setTimeout(otherRequest.callback, 0);
+ }
+ }
+
+ const context = this.loadingContext;
+ const request = {
+ id: `pdfjs-font-loading-${context.nextRequestId++}`,
+ done: false,
+ complete: completeRequest,
+ callback
+ };
+ context.requests.push(request);
+ return request;
+ }
+
+ get _loadTestFont() {
+ const getLoadTestFont = function () {
+ return atob("T1RUTwALAIAAAwAwQ0ZGIDHtZg4AAAOYAAAAgUZGVE1lkzZwAAAEHAAAABxHREVGABQA" + "FQAABDgAAAAeT1MvMlYNYwkAAAEgAAAAYGNtYXABDQLUAAACNAAAAUJoZWFk/xVFDQAA" + "ALwAAAA2aGhlYQdkA+oAAAD0AAAAJGhtdHgD6AAAAAAEWAAAAAZtYXhwAAJQAAAAARgA" + "AAAGbmFtZVjmdH4AAAGAAAAAsXBvc3T/hgAzAAADeAAAACAAAQAAAAEAALZRFsRfDzz1" + "AAsD6AAAAADOBOTLAAAAAM4KHDwAAAAAA+gDIQAAAAgAAgAAAAAAAAABAAADIQAAAFoD" + "6AAAAAAD6AABAAAAAAAAAAAAAAAAAAAAAQAAUAAAAgAAAAQD6AH0AAUAAAKKArwAAACM" + "AooCvAAAAeAAMQECAAACAAYJAAAAAAAAAAAAAQAAAAAAAAAAAAAAAFBmRWQAwAAuAC4D" + "IP84AFoDIQAAAAAAAQAAAAAAAAAAACAAIAABAAAADgCuAAEAAAAAAAAAAQAAAAEAAAAA" + "AAEAAQAAAAEAAAAAAAIAAQAAAAEAAAAAAAMAAQAAAAEAAAAAAAQAAQAAAAEAAAAAAAUA" + "AQAAAAEAAAAAAAYAAQAAAAMAAQQJAAAAAgABAAMAAQQJAAEAAgABAAMAAQQJAAIAAgAB" + "AAMAAQQJAAMAAgABAAMAAQQJAAQAAgABAAMAAQQJAAUAAgABAAMAAQQJAAYAAgABWABY" + "AAAAAAAAAwAAAAMAAAAcAAEAAAAAADwAAwABAAAAHAAEACAAAAAEAAQAAQAAAC7//wAA" + "AC7////TAAEAAAAAAAABBgAAAQAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAA" + "AAAAAAAAAAAAAAAAAAEAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAA" + "AAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAA" + "AAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAA" + "AAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAA" + "AAAAAAAAAAAAAAAAAAAAAAAAAAAAAAMAAAAAAAD/gwAyAAAAAQAAAAAAAAAAAAAAAAAA" + "AAABAAQEAAEBAQJYAAEBASH4DwD4GwHEAvgcA/gXBIwMAYuL+nz5tQXkD5j3CBLnEQAC" + "AQEBIVhYWFhYWFhYWFhYWFhYWFhYWFhYWFhYWFhYWFhYWFhYAAABAQAADwACAQEEE/t3" + "Dov6fAH6fAT+fPp8+nwHDosMCvm1Cvm1DAz6fBQAAAAAAAABAAAAAMmJbzEAAAAAzgTj" + "FQAAAADOBOQpAAEAAAAAAAAADAAUAAQAAAABAAAAAgABAAAAAAAAAAAD6AAAAAAAAA==");
+ };
+
+ return (0, _util.shadow)(this, "_loadTestFont", getLoadTestFont());
+ }
+
+ _prepareFontLoadEvent(rules, fonts, request) {
+ function int32(data, offset) {
+ return data.charCodeAt(offset) << 24 | data.charCodeAt(offset + 1) << 16 | data.charCodeAt(offset + 2) << 8 | data.charCodeAt(offset + 3) & 0xff;
+ }
+
+ function spliceString(s, offset, remove, insert) {
+ const chunk1 = s.substring(0, offset);
+ const chunk2 = s.substring(offset + remove);
+ return chunk1 + insert + chunk2;
+ }
+
+ let i, ii;
+
+ const canvas = this._document.createElement("canvas");
+
+ canvas.width = 1;
+ canvas.height = 1;
+ const ctx = canvas.getContext("2d");
+ let called = 0;
+
+ function isFontReady(name, callback) {
+ called++;
+
+ if (called > 30) {
+ (0, _util.warn)("Load test font never loaded.");
+ callback();
+ return;
+ }
+
+ ctx.font = "30px " + name;
+ ctx.fillText(".", 0, 20);
+ const imageData = ctx.getImageData(0, 0, 1, 1);
+
+ if (imageData.data[3] > 0) {
+ callback();
+ return;
+ }
+
+ setTimeout(isFontReady.bind(null, name, callback));
+ }
+
+ const loadTestFontId = `lt${Date.now()}${this.loadTestFontId++}`;
+ let data = this._loadTestFont;
+ const COMMENT_OFFSET = 976;
+ data = spliceString(data, COMMENT_OFFSET, loadTestFontId.length, loadTestFontId);
+ const CFF_CHECKSUM_OFFSET = 16;
+ const XXXX_VALUE = 0x58585858;
+ let checksum = int32(data, CFF_CHECKSUM_OFFSET);
+
+ for (i = 0, ii = loadTestFontId.length - 3; i < ii; i += 4) {
+ checksum = checksum - XXXX_VALUE + int32(loadTestFontId, i) | 0;
+ }
+
+ if (i < loadTestFontId.length) {
+ checksum = checksum - XXXX_VALUE + int32(loadTestFontId + "XXX", i) | 0;
+ }
+
+ data = spliceString(data, CFF_CHECKSUM_OFFSET, 4, (0, _util.string32)(checksum));
+ const url = `url(data:font/opentype;base64,${btoa(data)});`;
+ const rule = `@font-face {font-family:"${loadTestFontId}";src:${url}}`;
+ this.insertRule(rule);
+ const names = [];
+
+ for (const font of fonts) {
+ names.push(font.loadedName);
+ }
+
+ names.push(loadTestFontId);
+
+ const div = this._document.createElement("div");
+
+ div.style.visibility = "hidden";
+ div.style.width = div.style.height = "10px";
+ div.style.position = "absolute";
+ div.style.top = div.style.left = "0px";
+
+ for (const name of names) {
+ const span = this._document.createElement("span");
+
+ span.textContent = "Hi";
+ span.style.fontFamily = name;
+ div.append(span);
+ }
+
+ this._document.body.append(div);
+
+ isFontReady(loadTestFontId, () => {
+ div.remove();
+ request.complete();
+ });
+ }
+
+ };
+}
+
+class FontFaceObject {
+ constructor(translatedData, {
+ isEvalSupported = true,
+ disableFontFace = false,
+ ignoreErrors = false,
+ onUnsupportedFeature,
+ fontRegistry = null
+ }) {
+ this.compiledGlyphs = Object.create(null);
+
+ for (const i in translatedData) {
+ this[i] = translatedData[i];
+ }
+
+ this.isEvalSupported = isEvalSupported !== false;
+ this.disableFontFace = disableFontFace === true;
+ this.ignoreErrors = ignoreErrors === true;
+ this._onUnsupportedFeature = onUnsupportedFeature;
+ this.fontRegistry = fontRegistry;
+ }
+
+ createNativeFontFace() {
+ if (!this.data || this.disableFontFace) {
+ return null;
+ }
+
+ let nativeFontFace;
+
+ if (!this.cssFontInfo) {
+ nativeFontFace = new FontFace(this.loadedName, this.data, {});
+ } else {
+ const css = {
+ weight: this.cssFontInfo.fontWeight
+ };
+
+ if (this.cssFontInfo.italicAngle) {
+ css.style = `oblique ${this.cssFontInfo.italicAngle}deg`;
+ }
+
+ nativeFontFace = new FontFace(this.cssFontInfo.fontFamily, this.data, css);
+ }
+
+ if (this.fontRegistry) {
+ this.fontRegistry.registerFont(this);
+ }
+
+ return nativeFontFace;
+ }
+
+ createFontFaceRule() {
+ if (!this.data || this.disableFontFace) {
+ return null;
+ }
+
+ const data = (0, _util.bytesToString)(this.data);
+ const url = `url(data:${this.mimetype};base64,${btoa(data)});`;
+ let rule;
+
+ if (!this.cssFontInfo) {
+ rule = `@font-face {font-family:"${this.loadedName}";src:${url}}`;
+ } else {
+ let css = `font-weight: ${this.cssFontInfo.fontWeight};`;
+
+ if (this.cssFontInfo.italicAngle) {
+ css += `font-style: oblique ${this.cssFontInfo.italicAngle}deg;`;
+ }
+
+ rule = `@font-face {font-family:"${this.cssFontInfo.fontFamily}";${css}src:${url}}`;
+ }
+
+ if (this.fontRegistry) {
+ this.fontRegistry.registerFont(this, url);
+ }
+
+ return rule;
+ }
+
+ getPathGenerator(objs, character) {
+ if (this.compiledGlyphs[character] !== undefined) {
+ return this.compiledGlyphs[character];
+ }
+
+ let cmds;
+
+ try {
+ cmds = objs.get(this.loadedName + "_path_" + character);
+ } catch (ex) {
+ if (!this.ignoreErrors) {
+ throw ex;
+ }
+
+ this._onUnsupportedFeature({
+ featureId: _util.UNSUPPORTED_FEATURES.errorFontGetPath
+ });
+
+ (0, _util.warn)(`getPathGenerator - ignoring character: "${ex}".`);
+ return this.compiledGlyphs[character] = function (c, size) {};
+ }
+
+ if (this.isEvalSupported && _util.FeatureTest.isEvalSupported) {
+ const jsBuf = [];
+
+ for (const current of cmds) {
+ const args = current.args !== undefined ? current.args.join(",") : "";
+ jsBuf.push("c.", current.cmd, "(", args, ");\n");
+ }
+
+ return this.compiledGlyphs[character] = new Function("c", "size", jsBuf.join(""));
+ }
+
+ return this.compiledGlyphs[character] = function (c, size) {
+ for (const current of cmds) {
+ if (current.cmd === "scale") {
+ current.args = [size, -size];
+ }
+
+ c[current.cmd].apply(c, current.args);
+ }
+ };
+ }
+
+}
+
+exports.FontFaceObject = FontFaceObject;
+
+/***/ }),
+/* 12 */
+/***/ ((__unused_webpack_module, exports, __w_pdfjs_require__) => {
+
+
+
+Object.defineProperty(exports, "__esModule", ({
+ value: true
+}));
+exports.CanvasGraphics = void 0;
+
+var _display_utils = __w_pdfjs_require__(8);
+
+var _util = __w_pdfjs_require__(1);
var _pattern_helper = __w_pdfjs_require__(13);
-var _webgl = __w_pdfjs_require__(7);
+var _image_utils = __w_pdfjs_require__(14);
-var MIN_FONT_SIZE = 16;
-var MAX_FONT_SIZE = 100;
-var MAX_GROUP_SIZE = 4096;
-var MIN_WIDTH_FACTOR = 0.65;
-var COMPILE_TYPE3_GLYPHS = true;
-var MAX_SIZE_TO_COMPILE = 1000;
-var FULL_CHUNK_HEIGHT = 16;
-var IsLittleEndianCached = {
- get value() {
- return (0, _util.shadow)(IsLittleEndianCached, 'value', (0, _util.isLittleEndian)());
- }
-};
-function addContextCurrentTransform(ctx) {
- if (!ctx.mozCurrentTransform) {
- ctx._originalSave = ctx.save;
- ctx._originalRestore = ctx.restore;
- ctx._originalRotate = ctx.rotate;
- ctx._originalScale = ctx.scale;
- ctx._originalTranslate = ctx.translate;
- ctx._originalTransform = ctx.transform;
- ctx._originalSetTransform = ctx.setTransform;
- ctx._transformMatrix = ctx._transformMatrix || [1, 0, 0, 1, 0, 0];
- ctx._transformStack = [];
- Object.defineProperty(ctx, 'mozCurrentTransform', {
- get: function getCurrentTransform() {
- return this._transformMatrix;
- }
- });
- Object.defineProperty(ctx, 'mozCurrentTransformInverse', {
- get: function getCurrentTransformInverse() {
- var m = this._transformMatrix;
- var a = m[0],
- b = m[1],
- c = m[2],
- d = m[3],
- e = m[4],
- f = m[5];
- var ad_bc = a * d - b * c;
- var bc_ad = b * c - a * d;
- return [d / ad_bc, b / bc_ad, c / bc_ad, a / ad_bc, (d * e - c * f) / bc_ad, (b * e - a * f) / ad_bc];
- }
- });
- ctx.save = function ctxSave() {
- var old = this._transformMatrix;
- this._transformStack.push(old);
- this._transformMatrix = old.slice(0, 6);
- this._originalSave();
- };
- ctx.restore = function ctxRestore() {
- var prev = this._transformStack.pop();
- if (prev) {
- this._transformMatrix = prev;
- this._originalRestore();
- }
- };
- ctx.translate = function ctxTranslate(x, y) {
- var m = this._transformMatrix;
- m[4] = m[0] * x + m[2] * y + m[4];
- m[5] = m[1] * x + m[3] * y + m[5];
- this._originalTranslate(x, y);
- };
- ctx.scale = function ctxScale(x, y) {
- var m = this._transformMatrix;
- m[0] = m[0] * x;
- m[1] = m[1] * x;
- m[2] = m[2] * y;
- m[3] = m[3] * y;
- this._originalScale(x, y);
- };
- ctx.transform = function ctxTransform(a, b, c, d, e, f) {
- var m = this._transformMatrix;
- this._transformMatrix = [m[0] * a + m[2] * b, m[1] * a + m[3] * b, m[0] * c + m[2] * d, m[1] * c + m[3] * d, m[0] * e + m[2] * f + m[4], m[1] * e + m[3] * f + m[5]];
- ctx._originalTransform(a, b, c, d, e, f);
- };
- ctx.setTransform = function ctxSetTransform(a, b, c, d, e, f) {
- this._transformMatrix = [a, b, c, d, e, f];
- ctx._originalSetTransform(a, b, c, d, e, f);
- };
- ctx.rotate = function ctxRotate(angle) {
- var cosValue = Math.cos(angle);
- var sinValue = Math.sin(angle);
- var m = this._transformMatrix;
- this._transformMatrix = [m[0] * cosValue + m[2] * sinValue, m[1] * cosValue + m[3] * sinValue, m[0] * -sinValue + m[2] * cosValue, m[1] * -sinValue + m[3] * cosValue, m[4], m[5]];
- this._originalRotate(angle);
- };
+var _is_node = __w_pdfjs_require__(3);
+
+const MIN_FONT_SIZE = 16;
+const MAX_FONT_SIZE = 100;
+const MAX_GROUP_SIZE = 4096;
+const EXECUTION_TIME = 15;
+const EXECUTION_STEPS = 10;
+const MAX_SIZE_TO_COMPILE = _is_node.isNodeJS && typeof Path2D === "undefined" ? -1 : 1000;
+const FULL_CHUNK_HEIGHT = 16;
+
+function mirrorContextOperations(ctx, destCtx) {
+ if (ctx._removeMirroring) {
+ throw new Error("Context is already forwarding operations.");
}
+
+ ctx.__originalSave = ctx.save;
+ ctx.__originalRestore = ctx.restore;
+ ctx.__originalRotate = ctx.rotate;
+ ctx.__originalScale = ctx.scale;
+ ctx.__originalTranslate = ctx.translate;
+ ctx.__originalTransform = ctx.transform;
+ ctx.__originalSetTransform = ctx.setTransform;
+ ctx.__originalResetTransform = ctx.resetTransform;
+ ctx.__originalClip = ctx.clip;
+ ctx.__originalMoveTo = ctx.moveTo;
+ ctx.__originalLineTo = ctx.lineTo;
+ ctx.__originalBezierCurveTo = ctx.bezierCurveTo;
+ ctx.__originalRect = ctx.rect;
+ ctx.__originalClosePath = ctx.closePath;
+ ctx.__originalBeginPath = ctx.beginPath;
+
+ ctx._removeMirroring = () => {
+ ctx.save = ctx.__originalSave;
+ ctx.restore = ctx.__originalRestore;
+ ctx.rotate = ctx.__originalRotate;
+ ctx.scale = ctx.__originalScale;
+ ctx.translate = ctx.__originalTranslate;
+ ctx.transform = ctx.__originalTransform;
+ ctx.setTransform = ctx.__originalSetTransform;
+ ctx.resetTransform = ctx.__originalResetTransform;
+ ctx.clip = ctx.__originalClip;
+ ctx.moveTo = ctx.__originalMoveTo;
+ ctx.lineTo = ctx.__originalLineTo;
+ ctx.bezierCurveTo = ctx.__originalBezierCurveTo;
+ ctx.rect = ctx.__originalRect;
+ ctx.closePath = ctx.__originalClosePath;
+ ctx.beginPath = ctx.__originalBeginPath;
+ delete ctx._removeMirroring;
+ };
+
+ ctx.save = function ctxSave() {
+ destCtx.save();
+
+ this.__originalSave();
+ };
+
+ ctx.restore = function ctxRestore() {
+ destCtx.restore();
+
+ this.__originalRestore();
+ };
+
+ ctx.translate = function ctxTranslate(x, y) {
+ destCtx.translate(x, y);
+
+ this.__originalTranslate(x, y);
+ };
+
+ ctx.scale = function ctxScale(x, y) {
+ destCtx.scale(x, y);
+
+ this.__originalScale(x, y);
+ };
+
+ ctx.transform = function ctxTransform(a, b, c, d, e, f) {
+ destCtx.transform(a, b, c, d, e, f);
+
+ this.__originalTransform(a, b, c, d, e, f);
+ };
+
+ ctx.setTransform = function ctxSetTransform(a, b, c, d, e, f) {
+ destCtx.setTransform(a, b, c, d, e, f);
+
+ this.__originalSetTransform(a, b, c, d, e, f);
+ };
+
+ ctx.resetTransform = function ctxResetTransform() {
+ destCtx.resetTransform();
+
+ this.__originalResetTransform();
+ };
+
+ ctx.rotate = function ctxRotate(angle) {
+ destCtx.rotate(angle);
+
+ this.__originalRotate(angle);
+ };
+
+ ctx.clip = function ctxRotate(rule) {
+ destCtx.clip(rule);
+
+ this.__originalClip(rule);
+ };
+
+ ctx.moveTo = function (x, y) {
+ destCtx.moveTo(x, y);
+
+ this.__originalMoveTo(x, y);
+ };
+
+ ctx.lineTo = function (x, y) {
+ destCtx.lineTo(x, y);
+
+ this.__originalLineTo(x, y);
+ };
+
+ ctx.bezierCurveTo = function (cp1x, cp1y, cp2x, cp2y, x, y) {
+ destCtx.bezierCurveTo(cp1x, cp1y, cp2x, cp2y, x, y);
+
+ this.__originalBezierCurveTo(cp1x, cp1y, cp2x, cp2y, x, y);
+ };
+
+ ctx.rect = function (x, y, width, height) {
+ destCtx.rect(x, y, width, height);
+
+ this.__originalRect(x, y, width, height);
+ };
+
+ ctx.closePath = function () {
+ destCtx.closePath();
+
+ this.__originalClosePath();
+ };
+
+ ctx.beginPath = function () {
+ destCtx.beginPath();
+
+ this.__originalBeginPath();
+ };
}
-var CachedCanvases = function CachedCanvasesClosure() {
- function CachedCanvases(canvasFactory) {
+
+class CachedCanvases {
+ constructor(canvasFactory) {
this.canvasFactory = canvasFactory;
this.cache = Object.create(null);
}
- CachedCanvases.prototype = {
- getCanvas: function CachedCanvases_getCanvas(id, width, height, trackTransform) {
- var canvasEntry;
- if (this.cache[id] !== undefined) {
- canvasEntry = this.cache[id];
- this.canvasFactory.reset(canvasEntry, width, height);
- canvasEntry.context.setTransform(1, 0, 0, 1, 0, 0);
- } else {
- canvasEntry = this.canvasFactory.create(width, height);
- this.cache[id] = canvasEntry;
- }
- if (trackTransform) {
- addContextCurrentTransform(canvasEntry.context);
- }
- return canvasEntry;
- },
- clear: function clear() {
- for (var id in this.cache) {
- var canvasEntry = this.cache[id];
- this.canvasFactory.destroy(canvasEntry);
- delete this.cache[id];
- }
+
+ getCanvas(id, width, height) {
+ let canvasEntry;
+
+ if (this.cache[id] !== undefined) {
+ canvasEntry = this.cache[id];
+ this.canvasFactory.reset(canvasEntry, width, height);
+ } else {
+ canvasEntry = this.canvasFactory.create(width, height);
+ this.cache[id] = canvasEntry;
}
- };
- return CachedCanvases;
-}();
+
+ return canvasEntry;
+ }
+
+ delete(id) {
+ delete this.cache[id];
+ }
+
+ clear() {
+ for (const id in this.cache) {
+ const canvasEntry = this.cache[id];
+ this.canvasFactory.destroy(canvasEntry);
+ delete this.cache[id];
+ }
+ }
+
+}
+
+function drawImageAtIntegerCoords(ctx, srcImg, srcX, srcY, srcW, srcH, destX, destY, destW, destH) {
+ const [a, b, c, d, tx, ty] = (0, _display_utils.getCurrentTransform)(ctx);
+
+ if (b === 0 && c === 0) {
+ const tlX = destX * a + tx;
+ const rTlX = Math.round(tlX);
+ const tlY = destY * d + ty;
+ const rTlY = Math.round(tlY);
+ const brX = (destX + destW) * a + tx;
+ const rWidth = Math.abs(Math.round(brX) - rTlX) || 1;
+ const brY = (destY + destH) * d + ty;
+ const rHeight = Math.abs(Math.round(brY) - rTlY) || 1;
+ ctx.setTransform(Math.sign(a), 0, 0, Math.sign(d), rTlX, rTlY);
+ ctx.drawImage(srcImg, srcX, srcY, srcW, srcH, 0, 0, rWidth, rHeight);
+ ctx.setTransform(a, b, c, d, tx, ty);
+ return [rWidth, rHeight];
+ }
+
+ if (a === 0 && d === 0) {
+ const tlX = destY * c + tx;
+ const rTlX = Math.round(tlX);
+ const tlY = destX * b + ty;
+ const rTlY = Math.round(tlY);
+ const brX = (destY + destH) * c + tx;
+ const rWidth = Math.abs(Math.round(brX) - rTlX) || 1;
+ const brY = (destX + destW) * b + ty;
+ const rHeight = Math.abs(Math.round(brY) - rTlY) || 1;
+ ctx.setTransform(0, Math.sign(b), Math.sign(c), 0, rTlX, rTlY);
+ ctx.drawImage(srcImg, srcX, srcY, srcW, srcH, 0, 0, rHeight, rWidth);
+ ctx.setTransform(a, b, c, d, tx, ty);
+ return [rHeight, rWidth];
+ }
+
+ ctx.drawImage(srcImg, srcX, srcY, srcW, srcH, destX, destY, destW, destH);
+ const scaleX = Math.hypot(a, b);
+ const scaleY = Math.hypot(c, d);
+ return [scaleX * destW, scaleY * destH];
+}
+
function compileType3Glyph(imgData) {
- var POINT_TO_PROCESS_LIMIT = 1000;
- var width = imgData.width,
- height = imgData.height;
- var i,
- j,
- j0,
- width1 = width + 1;
- var points = new Uint8Array(width1 * (height + 1));
- var POINT_TYPES = new Uint8Array([0, 2, 4, 0, 1, 0, 5, 4, 8, 10, 0, 8, 0, 2, 1, 0]);
- var lineSize = width + 7 & ~7,
- data0 = imgData.data;
- var data = new Uint8Array(lineSize * height),
- pos = 0,
- ii;
- for (i = 0, ii = data0.length; i < ii; i++) {
- var mask = 128,
- elem = data0[i];
+ const {
+ width,
+ height
+ } = imgData;
+
+ if (width > MAX_SIZE_TO_COMPILE || height > MAX_SIZE_TO_COMPILE) {
+ return null;
+ }
+
+ const POINT_TO_PROCESS_LIMIT = 1000;
+ const POINT_TYPES = new Uint8Array([0, 2, 4, 0, 1, 0, 5, 4, 8, 10, 0, 8, 0, 2, 1, 0]);
+ const width1 = width + 1;
+ let points = new Uint8Array(width1 * (height + 1));
+ let i, j, j0;
+ const lineSize = width + 7 & ~7;
+ let data = new Uint8Array(lineSize * height),
+ pos = 0;
+
+ for (const elem of imgData.data) {
+ let mask = 128;
+
while (mask > 0) {
data[pos++] = elem & mask ? 0 : 255;
mask >>= 1;
}
}
- var count = 0;
+
+ let count = 0;
pos = 0;
+
if (data[pos] !== 0) {
points[0] = 1;
++count;
}
+
for (j = 1; j < width; j++) {
if (data[pos] !== data[pos + 1]) {
points[j] = data[pos] ? 2 : 1;
++count;
}
+
pos++;
}
+
if (data[pos] !== 0) {
points[j] = 2;
++count;
}
+
for (i = 1; i < height; i++) {
pos = i * lineSize;
j0 = i * width1;
+
if (data[pos - lineSize] !== data[pos]) {
points[j0] = data[pos] ? 1 : 8;
++count;
}
- var sum = (data[pos] ? 4 : 0) + (data[pos - lineSize] ? 8 : 0);
+
+ let sum = (data[pos] ? 4 : 0) + (data[pos - lineSize] ? 8 : 0);
+
for (j = 1; j < width; j++) {
sum = (sum >> 2) + (data[pos + 1] ? 4 : 0) + (data[pos - lineSize + 1] ? 8 : 0);
+
if (POINT_TYPES[sum]) {
points[j0 + j] = POINT_TYPES[sum];
++count;
}
+
pos++;
}
+
if (data[pos - lineSize] !== data[pos]) {
points[j0 + j] = data[pos] ? 2 : 4;
++count;
}
+
if (count > POINT_TO_PROCESS_LIMIT) {
return null;
}
}
+
pos = lineSize * (height - 1);
j0 = i * width1;
+
if (data[pos] !== 0) {
points[j0] = 8;
++count;
}
+
for (j = 1; j < width; j++) {
if (data[pos] !== data[pos + 1]) {
points[j0 + j] = data[pos] ? 4 : 8;
++count;
}
+
pos++;
}
+
if (data[pos] !== 0) {
points[j0 + j] = 4;
++count;
}
+
if (count > POINT_TO_PROCESS_LIMIT) {
return null;
}
- var steps = new Int32Array([0, width1, -1, 0, -width1, 0, 0, 0, 1]);
- var outlines = [];
+
+ const steps = new Int32Array([0, width1, -1, 0, -width1, 0, 0, 0, 1]);
+ const path = new Path2D();
+
for (i = 0; count && i <= height; i++) {
- var p = i * width1;
- var end = p + width;
+ let p = i * width1;
+ const end = p + width;
+
while (p < end && !points[p]) {
p++;
}
+
if (p === end) {
continue;
}
- var coords = [p % width1, i];
- var type = points[p],
- p0 = p,
- pp;
+
+ path.moveTo(p % width1, i);
+ const p0 = p;
+ let type = points[p];
+
do {
- var step = steps[type];
+ const step = steps[type];
+
do {
p += step;
} while (!points[p]);
- pp = points[p];
+
+ const pp = points[p];
+
if (pp !== 5 && pp !== 10) {
type = pp;
points[p] = 0;
@@ -9927,33 +6456,34 @@ function compileType3Glyph(imgData) {
type = pp & 0x33 * type >> 4;
points[p] &= type >> 2 | type << 2;
}
- coords.push(p % width1);
- coords.push(p / width1 | 0);
- --count;
+
+ path.lineTo(p % width1, p / width1 | 0);
+
+ if (!points[p]) {
+ --count;
+ }
} while (p0 !== p);
- outlines.push(coords);
+
--i;
}
- var drawOutline = function drawOutline(c) {
+
+ data = null;
+ points = null;
+
+ const drawOutline = function (c) {
c.save();
c.scale(1 / width, -1 / height);
c.translate(0, -height);
- c.beginPath();
- for (var i = 0, ii = outlines.length; i < ii; i++) {
- var o = outlines[i];
- c.moveTo(o[0], o[1]);
- for (var j = 2, jj = o.length; j < jj; j += 2) {
- c.lineTo(o[j], o[j + 1]);
- }
- }
- c.fill();
+ c.fill(path);
c.beginPath();
c.restore();
};
+
return drawOutline;
}
-var CanvasExtraState = function CanvasExtraStateClosure() {
- function CanvasExtraState() {
+
+class CanvasExtraState {
+ constructor(width, height) {
this.alphaIsShape = false;
this.fontSize = 0;
this.fontSizeScale = 1;
@@ -9970,32 +6500,478 @@ var CanvasExtraState = function CanvasExtraStateClosure() {
this.textHScale = 1;
this.textRenderingMode = _util.TextRenderingMode.FILL;
this.textRise = 0;
- this.fillColor = '#000000';
- this.strokeColor = '#000000';
+ this.fillColor = "#000000";
+ this.strokeColor = "#000000";
this.patternFill = false;
this.fillAlpha = 1;
this.strokeAlpha = 1;
this.lineWidth = 1;
this.activeSMask = null;
- this.resumeSMaskCtx = null;
+ this.transferMaps = null;
+ this.startNewPathAndClipBox([0, 0, width, height]);
}
- CanvasExtraState.prototype = {
- clone: function CanvasExtraState_clone() {
- return Object.create(this);
- },
- setCurrentPoint: function CanvasExtraState_setCurrentPoint(x, y) {
- this.x = x;
- this.y = y;
+
+ clone() {
+ const clone = Object.create(this);
+ clone.clipBox = this.clipBox.slice();
+ return clone;
+ }
+
+ setCurrentPoint(x, y) {
+ this.x = x;
+ this.y = y;
+ }
+
+ updatePathMinMax(transform, x, y) {
+ [x, y] = _util.Util.applyTransform([x, y], transform);
+ this.minX = Math.min(this.minX, x);
+ this.minY = Math.min(this.minY, y);
+ this.maxX = Math.max(this.maxX, x);
+ this.maxY = Math.max(this.maxY, y);
+ }
+
+ updateRectMinMax(transform, rect) {
+ const p1 = _util.Util.applyTransform(rect, transform);
+
+ const p2 = _util.Util.applyTransform(rect.slice(2), transform);
+
+ this.minX = Math.min(this.minX, p1[0], p2[0]);
+ this.minY = Math.min(this.minY, p1[1], p2[1]);
+ this.maxX = Math.max(this.maxX, p1[0], p2[0]);
+ this.maxY = Math.max(this.maxY, p1[1], p2[1]);
+ }
+
+ updateScalingPathMinMax(transform, minMax) {
+ _util.Util.scaleMinMax(transform, minMax);
+
+ this.minX = Math.min(this.minX, minMax[0]);
+ this.maxX = Math.max(this.maxX, minMax[1]);
+ this.minY = Math.min(this.minY, minMax[2]);
+ this.maxY = Math.max(this.maxY, minMax[3]);
+ }
+
+ updateCurvePathMinMax(transform, x0, y0, x1, y1, x2, y2, x3, y3, minMax) {
+ const box = _util.Util.bezierBoundingBox(x0, y0, x1, y1, x2, y2, x3, y3);
+
+ if (minMax) {
+ minMax[0] = Math.min(minMax[0], box[0], box[2]);
+ minMax[1] = Math.max(minMax[1], box[0], box[2]);
+ minMax[2] = Math.min(minMax[2], box[1], box[3]);
+ minMax[3] = Math.max(minMax[3], box[1], box[3]);
+ return;
}
- };
- return CanvasExtraState;
-}();
-var CanvasGraphics = function CanvasGraphicsClosure() {
- var EXECUTION_TIME = 15;
- var EXECUTION_STEPS = 10;
- function CanvasGraphics(canvasCtx, commonObjs, objs, canvasFactory, imageLayer) {
+
+ this.updateRectMinMax(transform, box);
+ }
+
+ getPathBoundingBox(pathType = _pattern_helper.PathType.FILL, transform = null) {
+ const box = [this.minX, this.minY, this.maxX, this.maxY];
+
+ if (pathType === _pattern_helper.PathType.STROKE) {
+ if (!transform) {
+ (0, _util.unreachable)("Stroke bounding box must include transform.");
+ }
+
+ const scale = _util.Util.singularValueDecompose2dScale(transform);
+
+ const xStrokePad = scale[0] * this.lineWidth / 2;
+ const yStrokePad = scale[1] * this.lineWidth / 2;
+ box[0] -= xStrokePad;
+ box[1] -= yStrokePad;
+ box[2] += xStrokePad;
+ box[3] += yStrokePad;
+ }
+
+ return box;
+ }
+
+ updateClipFromPath() {
+ const intersect = _util.Util.intersect(this.clipBox, this.getPathBoundingBox());
+
+ this.startNewPathAndClipBox(intersect || [0, 0, 0, 0]);
+ }
+
+ isEmptyClip() {
+ return this.minX === Infinity;
+ }
+
+ startNewPathAndClipBox(box) {
+ this.clipBox = box;
+ this.minX = Infinity;
+ this.minY = Infinity;
+ this.maxX = 0;
+ this.maxY = 0;
+ }
+
+ getClippedPathBoundingBox(pathType = _pattern_helper.PathType.FILL, transform = null) {
+ return _util.Util.intersect(this.clipBox, this.getPathBoundingBox(pathType, transform));
+ }
+
+}
+
+function putBinaryImageData(ctx, imgData, transferMaps = null) {
+ if (typeof ImageData !== "undefined" && imgData instanceof ImageData) {
+ ctx.putImageData(imgData, 0, 0);
+ return;
+ }
+
+ const height = imgData.height,
+ width = imgData.width;
+ const partialChunkHeight = height % FULL_CHUNK_HEIGHT;
+ const fullChunks = (height - partialChunkHeight) / FULL_CHUNK_HEIGHT;
+ const totalChunks = partialChunkHeight === 0 ? fullChunks : fullChunks + 1;
+ const chunkImgData = ctx.createImageData(width, FULL_CHUNK_HEIGHT);
+ let srcPos = 0,
+ destPos;
+ const src = imgData.data;
+ const dest = chunkImgData.data;
+ let i, j, thisChunkHeight, elemsInThisChunk;
+ let transferMapRed, transferMapGreen, transferMapBlue, transferMapGray;
+
+ if (transferMaps) {
+ switch (transferMaps.length) {
+ case 1:
+ transferMapRed = transferMaps[0];
+ transferMapGreen = transferMaps[0];
+ transferMapBlue = transferMaps[0];
+ transferMapGray = transferMaps[0];
+ break;
+
+ case 4:
+ transferMapRed = transferMaps[0];
+ transferMapGreen = transferMaps[1];
+ transferMapBlue = transferMaps[2];
+ transferMapGray = transferMaps[3];
+ break;
+ }
+ }
+
+ if (imgData.kind === _util.ImageKind.GRAYSCALE_1BPP) {
+ const srcLength = src.byteLength;
+ const dest32 = new Uint32Array(dest.buffer, 0, dest.byteLength >> 2);
+ const dest32DataLength = dest32.length;
+ const fullSrcDiff = width + 7 >> 3;
+ let white = 0xffffffff;
+ let black = _util.FeatureTest.isLittleEndian ? 0xff000000 : 0x000000ff;
+
+ if (transferMapGray) {
+ if (transferMapGray[0] === 0xff && transferMapGray[0xff] === 0) {
+ [white, black] = [black, white];
+ }
+ }
+
+ for (i = 0; i < totalChunks; i++) {
+ thisChunkHeight = i < fullChunks ? FULL_CHUNK_HEIGHT : partialChunkHeight;
+ destPos = 0;
+
+ for (j = 0; j < thisChunkHeight; j++) {
+ const srcDiff = srcLength - srcPos;
+ let k = 0;
+ const kEnd = srcDiff > fullSrcDiff ? width : srcDiff * 8 - 7;
+ const kEndUnrolled = kEnd & ~7;
+ let mask = 0;
+ let srcByte = 0;
+
+ for (; k < kEndUnrolled; k += 8) {
+ srcByte = src[srcPos++];
+ dest32[destPos++] = srcByte & 128 ? white : black;
+ dest32[destPos++] = srcByte & 64 ? white : black;
+ dest32[destPos++] = srcByte & 32 ? white : black;
+ dest32[destPos++] = srcByte & 16 ? white : black;
+ dest32[destPos++] = srcByte & 8 ? white : black;
+ dest32[destPos++] = srcByte & 4 ? white : black;
+ dest32[destPos++] = srcByte & 2 ? white : black;
+ dest32[destPos++] = srcByte & 1 ? white : black;
+ }
+
+ for (; k < kEnd; k++) {
+ if (mask === 0) {
+ srcByte = src[srcPos++];
+ mask = 128;
+ }
+
+ dest32[destPos++] = srcByte & mask ? white : black;
+ mask >>= 1;
+ }
+ }
+
+ while (destPos < dest32DataLength) {
+ dest32[destPos++] = 0;
+ }
+
+ ctx.putImageData(chunkImgData, 0, i * FULL_CHUNK_HEIGHT);
+ }
+ } else if (imgData.kind === _util.ImageKind.RGBA_32BPP) {
+ const hasTransferMaps = !!(transferMapRed || transferMapGreen || transferMapBlue);
+ j = 0;
+ elemsInThisChunk = width * FULL_CHUNK_HEIGHT * 4;
+
+ for (i = 0; i < fullChunks; i++) {
+ dest.set(src.subarray(srcPos, srcPos + elemsInThisChunk));
+ srcPos += elemsInThisChunk;
+
+ if (hasTransferMaps) {
+ for (let k = 0; k < elemsInThisChunk; k += 4) {
+ if (transferMapRed) {
+ dest[k + 0] = transferMapRed[dest[k + 0]];
+ }
+
+ if (transferMapGreen) {
+ dest[k + 1] = transferMapGreen[dest[k + 1]];
+ }
+
+ if (transferMapBlue) {
+ dest[k + 2] = transferMapBlue[dest[k + 2]];
+ }
+ }
+ }
+
+ ctx.putImageData(chunkImgData, 0, j);
+ j += FULL_CHUNK_HEIGHT;
+ }
+
+ if (i < totalChunks) {
+ elemsInThisChunk = width * partialChunkHeight * 4;
+ dest.set(src.subarray(srcPos, srcPos + elemsInThisChunk));
+
+ if (hasTransferMaps) {
+ for (let k = 0; k < elemsInThisChunk; k += 4) {
+ if (transferMapRed) {
+ dest[k + 0] = transferMapRed[dest[k + 0]];
+ }
+
+ if (transferMapGreen) {
+ dest[k + 1] = transferMapGreen[dest[k + 1]];
+ }
+
+ if (transferMapBlue) {
+ dest[k + 2] = transferMapBlue[dest[k + 2]];
+ }
+ }
+ }
+
+ ctx.putImageData(chunkImgData, 0, j);
+ }
+ } else if (imgData.kind === _util.ImageKind.RGB_24BPP) {
+ const hasTransferMaps = !!(transferMapRed || transferMapGreen || transferMapBlue);
+ thisChunkHeight = FULL_CHUNK_HEIGHT;
+ elemsInThisChunk = width * thisChunkHeight;
+
+ for (i = 0; i < totalChunks; i++) {
+ if (i >= fullChunks) {
+ thisChunkHeight = partialChunkHeight;
+ elemsInThisChunk = width * thisChunkHeight;
+ }
+
+ destPos = 0;
+
+ for (j = elemsInThisChunk; j--;) {
+ dest[destPos++] = src[srcPos++];
+ dest[destPos++] = src[srcPos++];
+ dest[destPos++] = src[srcPos++];
+ dest[destPos++] = 255;
+ }
+
+ if (hasTransferMaps) {
+ for (let k = 0; k < destPos; k += 4) {
+ if (transferMapRed) {
+ dest[k + 0] = transferMapRed[dest[k + 0]];
+ }
+
+ if (transferMapGreen) {
+ dest[k + 1] = transferMapGreen[dest[k + 1]];
+ }
+
+ if (transferMapBlue) {
+ dest[k + 2] = transferMapBlue[dest[k + 2]];
+ }
+ }
+ }
+
+ ctx.putImageData(chunkImgData, 0, i * FULL_CHUNK_HEIGHT);
+ }
+ } else {
+ throw new Error(`bad image kind: ${imgData.kind}`);
+ }
+}
+
+function putBinaryImageMask(ctx, imgData) {
+ if (imgData.bitmap) {
+ ctx.drawImage(imgData.bitmap, 0, 0);
+ return;
+ }
+
+ const height = imgData.height,
+ width = imgData.width;
+ const partialChunkHeight = height % FULL_CHUNK_HEIGHT;
+ const fullChunks = (height - partialChunkHeight) / FULL_CHUNK_HEIGHT;
+ const totalChunks = partialChunkHeight === 0 ? fullChunks : fullChunks + 1;
+ const chunkImgData = ctx.createImageData(width, FULL_CHUNK_HEIGHT);
+ let srcPos = 0;
+ const src = imgData.data;
+ const dest = chunkImgData.data;
+
+ for (let i = 0; i < totalChunks; i++) {
+ const thisChunkHeight = i < fullChunks ? FULL_CHUNK_HEIGHT : partialChunkHeight;
+ ({
+ srcPos
+ } = (0, _image_utils.applyMaskImageData)({
+ src,
+ srcPos,
+ dest,
+ width,
+ height: thisChunkHeight
+ }));
+ ctx.putImageData(chunkImgData, 0, i * FULL_CHUNK_HEIGHT);
+ }
+}
+
+function copyCtxState(sourceCtx, destCtx) {
+ const properties = ["strokeStyle", "fillStyle", "fillRule", "globalAlpha", "lineWidth", "lineCap", "lineJoin", "miterLimit", "globalCompositeOperation", "font"];
+
+ for (let i = 0, ii = properties.length; i < ii; i++) {
+ const property = properties[i];
+
+ if (sourceCtx[property] !== undefined) {
+ destCtx[property] = sourceCtx[property];
+ }
+ }
+
+ if (sourceCtx.setLineDash !== undefined) {
+ destCtx.setLineDash(sourceCtx.getLineDash());
+ destCtx.lineDashOffset = sourceCtx.lineDashOffset;
+ }
+}
+
+function resetCtxToDefault(ctx, foregroundColor) {
+ ctx.strokeStyle = ctx.fillStyle = foregroundColor || "#000000";
+ ctx.fillRule = "nonzero";
+ ctx.globalAlpha = 1;
+ ctx.lineWidth = 1;
+ ctx.lineCap = "butt";
+ ctx.lineJoin = "miter";
+ ctx.miterLimit = 10;
+ ctx.globalCompositeOperation = "source-over";
+ ctx.font = "10px sans-serif";
+
+ if (ctx.setLineDash !== undefined) {
+ ctx.setLineDash([]);
+ ctx.lineDashOffset = 0;
+ }
+}
+
+function composeSMaskBackdrop(bytes, r0, g0, b0) {
+ const length = bytes.length;
+
+ for (let i = 3; i < length; i += 4) {
+ const alpha = bytes[i];
+
+ if (alpha === 0) {
+ bytes[i - 3] = r0;
+ bytes[i - 2] = g0;
+ bytes[i - 1] = b0;
+ } else if (alpha < 255) {
+ const alpha_ = 255 - alpha;
+ bytes[i - 3] = bytes[i - 3] * alpha + r0 * alpha_ >> 8;
+ bytes[i - 2] = bytes[i - 2] * alpha + g0 * alpha_ >> 8;
+ bytes[i - 1] = bytes[i - 1] * alpha + b0 * alpha_ >> 8;
+ }
+ }
+}
+
+function composeSMaskAlpha(maskData, layerData, transferMap) {
+ const length = maskData.length;
+ const scale = 1 / 255;
+
+ for (let i = 3; i < length; i += 4) {
+ const alpha = transferMap ? transferMap[maskData[i]] : maskData[i];
+ layerData[i] = layerData[i] * alpha * scale | 0;
+ }
+}
+
+function composeSMaskLuminosity(maskData, layerData, transferMap) {
+ const length = maskData.length;
+
+ for (let i = 3; i < length; i += 4) {
+ const y = maskData[i - 3] * 77 + maskData[i - 2] * 152 + maskData[i - 1] * 28;
+ layerData[i] = transferMap ? layerData[i] * transferMap[y >> 8] >> 8 : layerData[i] * y >> 16;
+ }
+}
+
+function genericComposeSMask(maskCtx, layerCtx, width, height, subtype, backdrop, transferMap, layerOffsetX, layerOffsetY, maskOffsetX, maskOffsetY) {
+ const hasBackdrop = !!backdrop;
+ const r0 = hasBackdrop ? backdrop[0] : 0;
+ const g0 = hasBackdrop ? backdrop[1] : 0;
+ const b0 = hasBackdrop ? backdrop[2] : 0;
+ let composeFn;
+
+ if (subtype === "Luminosity") {
+ composeFn = composeSMaskLuminosity;
+ } else {
+ composeFn = composeSMaskAlpha;
+ }
+
+ const PIXELS_TO_PROCESS = 1048576;
+ const chunkSize = Math.min(height, Math.ceil(PIXELS_TO_PROCESS / width));
+
+ for (let row = 0; row < height; row += chunkSize) {
+ const chunkHeight = Math.min(chunkSize, height - row);
+ const maskData = maskCtx.getImageData(layerOffsetX - maskOffsetX, row + (layerOffsetY - maskOffsetY), width, chunkHeight);
+ const layerData = layerCtx.getImageData(layerOffsetX, row + layerOffsetY, width, chunkHeight);
+
+ if (hasBackdrop) {
+ composeSMaskBackdrop(maskData.data, r0, g0, b0);
+ }
+
+ composeFn(maskData.data, layerData.data, transferMap);
+ layerCtx.putImageData(layerData, layerOffsetX, row + layerOffsetY);
+ }
+}
+
+function composeSMask(ctx, smask, layerCtx, layerBox) {
+ const layerOffsetX = layerBox[0];
+ const layerOffsetY = layerBox[1];
+ const layerWidth = layerBox[2] - layerOffsetX;
+ const layerHeight = layerBox[3] - layerOffsetY;
+
+ if (layerWidth === 0 || layerHeight === 0) {
+ return;
+ }
+
+ genericComposeSMask(smask.context, layerCtx, layerWidth, layerHeight, smask.subtype, smask.backdrop, smask.transferMap, layerOffsetX, layerOffsetY, smask.offsetX, smask.offsetY);
+ ctx.save();
+ ctx.globalAlpha = 1;
+ ctx.globalCompositeOperation = "source-over";
+ ctx.setTransform(1, 0, 0, 1, 0, 0);
+ ctx.drawImage(layerCtx.canvas, 0, 0);
+ ctx.restore();
+}
+
+function getImageSmoothingEnabled(transform, interpolate) {
+ const scale = _util.Util.singularValueDecompose2dScale(transform);
+
+ scale[0] = Math.fround(scale[0]);
+ scale[1] = Math.fround(scale[1]);
+ const actualScale = Math.fround((globalThis.devicePixelRatio || 1) * _display_utils.PixelsPerInch.PDF_TO_CSS_UNITS);
+
+ if (interpolate !== undefined) {
+ return interpolate;
+ } else if (scale[0] <= actualScale || scale[1] <= actualScale) {
+ return true;
+ }
+
+ return false;
+}
+
+const LINE_CAP_STYLES = ["butt", "round", "square"];
+const LINE_JOIN_STYLES = ["miter", "round", "bevel"];
+const NORMAL_CLIP = {};
+const EO_CLIP = {};
+
+class CanvasGraphics {
+ constructor(canvasCtx, commonObjs, objs, canvasFactory, imageLayer, optionalContentConfig, annotationCanvasMap, pageColors) {
this.ctx = canvasCtx;
- this.current = new CanvasExtraState();
+ this.current = new CanvasExtraState(this.ctx.canvas.width, this.ctx.canvas.height);
this.stateStack = [];
this.pendingClip = null;
this.pendingEOFill = false;
@@ -10013,1978 +6989,2300 @@ var CanvasGraphics = function CanvasGraphicsClosure() {
this.smaskStack = [];
this.smaskCounter = 0;
this.tempSMask = null;
+ this.suspendedCtx = null;
+ this.contentVisible = true;
+ this.markedContentStack = [];
+ this.optionalContentConfig = optionalContentConfig;
this.cachedCanvases = new CachedCanvases(this.canvasFactory);
- if (canvasCtx) {
- addContextCurrentTransform(canvasCtx);
- }
- this.cachedGetSinglePixelWidth = null;
+ this.cachedPatterns = new Map();
+ this.annotationCanvasMap = annotationCanvasMap;
+ this.viewportScale = 1;
+ this.outputScaleX = 1;
+ this.outputScaleY = 1;
+ this.backgroundColor = pageColors?.background || null;
+ this.foregroundColor = pageColors?.foreground || null;
+ this._cachedScaleForStroking = null;
+ this._cachedGetSinglePixelWidth = null;
+ this._cachedBitmapsMap = new Map();
}
- function putBinaryImageData(ctx, imgData) {
- if (typeof ImageData !== 'undefined' && imgData instanceof ImageData) {
- ctx.putImageData(imgData, 0, 0);
- return;
- }
- var height = imgData.height,
- width = imgData.width;
- var partialChunkHeight = height % FULL_CHUNK_HEIGHT;
- var fullChunks = (height - partialChunkHeight) / FULL_CHUNK_HEIGHT;
- var totalChunks = partialChunkHeight === 0 ? fullChunks : fullChunks + 1;
- var chunkImgData = ctx.createImageData(width, FULL_CHUNK_HEIGHT);
- var srcPos = 0,
- destPos;
- var src = imgData.data;
- var dest = chunkImgData.data;
- var i, j, thisChunkHeight, elemsInThisChunk;
- if (imgData.kind === _util.ImageKind.GRAYSCALE_1BPP) {
- var srcLength = src.byteLength;
- var dest32 = new Uint32Array(dest.buffer, 0, dest.byteLength >> 2);
- var dest32DataLength = dest32.length;
- var fullSrcDiff = width + 7 >> 3;
- var white = 0xFFFFFFFF;
- var black = IsLittleEndianCached.value ? 0xFF000000 : 0x000000FF;
- for (i = 0; i < totalChunks; i++) {
- thisChunkHeight = i < fullChunks ? FULL_CHUNK_HEIGHT : partialChunkHeight;
- destPos = 0;
- for (j = 0; j < thisChunkHeight; j++) {
- var srcDiff = srcLength - srcPos;
- var k = 0;
- var kEnd = srcDiff > fullSrcDiff ? width : srcDiff * 8 - 7;
- var kEndUnrolled = kEnd & ~7;
- var mask = 0;
- var srcByte = 0;
- for (; k < kEndUnrolled; k += 8) {
- srcByte = src[srcPos++];
- dest32[destPos++] = srcByte & 128 ? white : black;
- dest32[destPos++] = srcByte & 64 ? white : black;
- dest32[destPos++] = srcByte & 32 ? white : black;
- dest32[destPos++] = srcByte & 16 ? white : black;
- dest32[destPos++] = srcByte & 8 ? white : black;
- dest32[destPos++] = srcByte & 4 ? white : black;
- dest32[destPos++] = srcByte & 2 ? white : black;
- dest32[destPos++] = srcByte & 1 ? white : black;
- }
- for (; k < kEnd; k++) {
- if (mask === 0) {
- srcByte = src[srcPos++];
- mask = 128;
- }
- dest32[destPos++] = srcByte & mask ? white : black;
- mask >>= 1;
- }
- }
- while (destPos < dest32DataLength) {
- dest32[destPos++] = 0;
- }
- ctx.putImageData(chunkImgData, 0, i * FULL_CHUNK_HEIGHT);
- }
- } else if (imgData.kind === _util.ImageKind.RGBA_32BPP) {
- j = 0;
- elemsInThisChunk = width * FULL_CHUNK_HEIGHT * 4;
- for (i = 0; i < fullChunks; i++) {
- dest.set(src.subarray(srcPos, srcPos + elemsInThisChunk));
- srcPos += elemsInThisChunk;
- ctx.putImageData(chunkImgData, 0, j);
- j += FULL_CHUNK_HEIGHT;
- }
- if (i < totalChunks) {
- elemsInThisChunk = width * partialChunkHeight * 4;
- dest.set(src.subarray(srcPos, srcPos + elemsInThisChunk));
- ctx.putImageData(chunkImgData, 0, j);
- }
- } else if (imgData.kind === _util.ImageKind.RGB_24BPP) {
- thisChunkHeight = FULL_CHUNK_HEIGHT;
- elemsInThisChunk = width * thisChunkHeight;
- for (i = 0; i < totalChunks; i++) {
- if (i >= fullChunks) {
- thisChunkHeight = partialChunkHeight;
- elemsInThisChunk = width * thisChunkHeight;
- }
- destPos = 0;
- for (j = elemsInThisChunk; j--;) {
- dest[destPos++] = src[srcPos++];
- dest[destPos++] = src[srcPos++];
- dest[destPos++] = src[srcPos++];
- dest[destPos++] = 255;
- }
- ctx.putImageData(chunkImgData, 0, i * FULL_CHUNK_HEIGHT);
- }
- } else {
- throw new Error('bad image kind: ' + imgData.kind);
- }
- }
- function putBinaryImageMask(ctx, imgData) {
- var height = imgData.height,
- width = imgData.width;
- var partialChunkHeight = height % FULL_CHUNK_HEIGHT;
- var fullChunks = (height - partialChunkHeight) / FULL_CHUNK_HEIGHT;
- var totalChunks = partialChunkHeight === 0 ? fullChunks : fullChunks + 1;
- var chunkImgData = ctx.createImageData(width, FULL_CHUNK_HEIGHT);
- var srcPos = 0;
- var src = imgData.data;
- var dest = chunkImgData.data;
- for (var i = 0; i < totalChunks; i++) {
- var thisChunkHeight = i < fullChunks ? FULL_CHUNK_HEIGHT : partialChunkHeight;
- var destPos = 3;
- for (var j = 0; j < thisChunkHeight; j++) {
- var mask = 0;
- for (var k = 0; k < width; k++) {
- if (!mask) {
- var elem = src[srcPos++];
- mask = 128;
- }
- dest[destPos] = elem & mask ? 0 : 255;
- destPos += 4;
- mask >>= 1;
- }
- }
- ctx.putImageData(chunkImgData, 0, i * FULL_CHUNK_HEIGHT);
- }
- }
- function copyCtxState(sourceCtx, destCtx) {
- var properties = ['strokeStyle', 'fillStyle', 'fillRule', 'globalAlpha', 'lineWidth', 'lineCap', 'lineJoin', 'miterLimit', 'globalCompositeOperation', 'font'];
- for (var i = 0, ii = properties.length; i < ii; i++) {
- var property = properties[i];
- if (sourceCtx[property] !== undefined) {
- destCtx[property] = sourceCtx[property];
- }
- }
- if (sourceCtx.setLineDash !== undefined) {
- destCtx.setLineDash(sourceCtx.getLineDash());
- destCtx.lineDashOffset = sourceCtx.lineDashOffset;
- }
- }
- function resetCtxToDefault(ctx) {
- ctx.strokeStyle = '#000000';
- ctx.fillStyle = '#000000';
- ctx.fillRule = 'nonzero';
- ctx.globalAlpha = 1;
- ctx.lineWidth = 1;
- ctx.lineCap = 'butt';
- ctx.lineJoin = 'miter';
- ctx.miterLimit = 10;
- ctx.globalCompositeOperation = 'source-over';
- ctx.font = '10px sans-serif';
- if (ctx.setLineDash !== undefined) {
- ctx.setLineDash([]);
- ctx.lineDashOffset = 0;
- }
- }
- function composeSMaskBackdrop(bytes, r0, g0, b0) {
- var length = bytes.length;
- for (var i = 3; i < length; i += 4) {
- var alpha = bytes[i];
- if (alpha === 0) {
- bytes[i - 3] = r0;
- bytes[i - 2] = g0;
- bytes[i - 1] = b0;
- } else if (alpha < 255) {
- var alpha_ = 255 - alpha;
- bytes[i - 3] = bytes[i - 3] * alpha + r0 * alpha_ >> 8;
- bytes[i - 2] = bytes[i - 2] * alpha + g0 * alpha_ >> 8;
- bytes[i - 1] = bytes[i - 1] * alpha + b0 * alpha_ >> 8;
- }
- }
- }
- function composeSMaskAlpha(maskData, layerData, transferMap) {
- var length = maskData.length;
- var scale = 1 / 255;
- for (var i = 3; i < length; i += 4) {
- var alpha = transferMap ? transferMap[maskData[i]] : maskData[i];
- layerData[i] = layerData[i] * alpha * scale | 0;
- }
- }
- function composeSMaskLuminosity(maskData, layerData, transferMap) {
- var length = maskData.length;
- for (var i = 3; i < length; i += 4) {
- var y = maskData[i - 3] * 77 + maskData[i - 2] * 152 + maskData[i - 1] * 28;
- layerData[i] = transferMap ? layerData[i] * transferMap[y >> 8] >> 8 : layerData[i] * y >> 16;
- }
- }
- function genericComposeSMask(maskCtx, layerCtx, width, height, subtype, backdrop, transferMap) {
- var hasBackdrop = !!backdrop;
- var r0 = hasBackdrop ? backdrop[0] : 0;
- var g0 = hasBackdrop ? backdrop[1] : 0;
- var b0 = hasBackdrop ? backdrop[2] : 0;
- var composeFn;
- if (subtype === 'Luminosity') {
- composeFn = composeSMaskLuminosity;
- } else {
- composeFn = composeSMaskAlpha;
- }
- var PIXELS_TO_PROCESS = 1048576;
- var chunkSize = Math.min(height, Math.ceil(PIXELS_TO_PROCESS / width));
- for (var row = 0; row < height; row += chunkSize) {
- var chunkHeight = Math.min(chunkSize, height - row);
- var maskData = maskCtx.getImageData(0, row, width, chunkHeight);
- var layerData = layerCtx.getImageData(0, row, width, chunkHeight);
- if (hasBackdrop) {
- composeSMaskBackdrop(maskData.data, r0, g0, b0);
- }
- composeFn(maskData.data, layerData.data, transferMap);
- maskCtx.putImageData(layerData, 0, row);
- }
- }
- function composeSMask(ctx, smask, layerCtx) {
- var mask = smask.canvas;
- var maskCtx = smask.context;
- ctx.setTransform(smask.scaleX, 0, 0, smask.scaleY, smask.offsetX, smask.offsetY);
- var backdrop = smask.backdrop || null;
- if (!smask.transferMap && _webgl.WebGLUtils.isEnabled) {
- var composed = _webgl.WebGLUtils.composeSMask(layerCtx.canvas, mask, {
- subtype: smask.subtype,
- backdrop: backdrop
- });
- ctx.setTransform(1, 0, 0, 1, 0, 0);
- ctx.drawImage(composed, smask.offsetX, smask.offsetY);
- return;
- }
- genericComposeSMask(maskCtx, layerCtx, mask.width, mask.height, smask.subtype, backdrop, smask.transferMap);
- ctx.drawImage(mask, 0, 0);
- }
- var LINE_CAP_STYLES = ['butt', 'round', 'square'];
- var LINE_JOIN_STYLES = ['miter', 'round', 'bevel'];
- var NORMAL_CLIP = {};
- var EO_CLIP = {};
- CanvasGraphics.prototype = {
- beginDrawing: function beginDrawing(_ref) {
- var transform = _ref.transform,
- viewport = _ref.viewport,
- transparency = _ref.transparency,
- _ref$background = _ref.background,
- background = _ref$background === undefined ? null : _ref$background;
- var width = this.ctx.canvas.width;
- var height = this.ctx.canvas.height;
- this.ctx.save();
- this.ctx.fillStyle = background || 'rgb(255, 255, 255)';
- this.ctx.fillRect(0, 0, width, height);
- this.ctx.restore();
- if (transparency) {
- var transparentCanvas = this.cachedCanvases.getCanvas('transparent', width, height, true);
- this.compositeCtx = this.ctx;
- this.transparentCanvas = transparentCanvas.canvas;
- this.ctx = transparentCanvas.context;
- this.ctx.save();
- this.ctx.transform.apply(this.ctx, this.compositeCtx.mozCurrentTransform);
- }
- this.ctx.save();
- resetCtxToDefault(this.ctx);
- if (transform) {
- this.ctx.transform.apply(this.ctx, transform);
- }
- this.ctx.transform.apply(this.ctx, viewport.transform);
- this.baseTransform = this.ctx.mozCurrentTransform.slice();
- if (this.imageLayer) {
- this.imageLayer.beginLayout();
- }
- },
+ getObject(data, fallback = null) {
+ if (typeof data === "string") {
+ return data.startsWith("g_") ? this.commonObjs.get(data) : this.objs.get(data);
+ }
- executeOperatorList: function CanvasGraphics_executeOperatorList(operatorList, executionStartIdx, continueCallback, stepper) {
- var argsArray = operatorList.argsArray;
- var fnArray = operatorList.fnArray;
- var i = executionStartIdx || 0;
- var argsArrayLen = argsArray.length;
- if (argsArrayLen === i) {
+ return fallback;
+ }
+
+ beginDrawing({
+ transform,
+ viewport,
+ transparency = false,
+ background = null
+ }) {
+ const width = this.ctx.canvas.width;
+ const height = this.ctx.canvas.height;
+ const defaultBackgroundColor = background || "#ffffff";
+ this.ctx.save();
+
+ if (this.foregroundColor && this.backgroundColor) {
+ this.ctx.fillStyle = this.foregroundColor;
+ const fg = this.foregroundColor = this.ctx.fillStyle;
+ this.ctx.fillStyle = this.backgroundColor;
+ const bg = this.backgroundColor = this.ctx.fillStyle;
+ let isValidDefaultBg = true;
+ let defaultBg = defaultBackgroundColor;
+ this.ctx.fillStyle = defaultBackgroundColor;
+ defaultBg = this.ctx.fillStyle;
+ isValidDefaultBg = typeof defaultBg === "string" && /^#[0-9A-Fa-f]{6}$/.test(defaultBg);
+
+ if (fg === "#000000" && bg === "#ffffff" || fg === bg || !isValidDefaultBg) {
+ this.foregroundColor = this.backgroundColor = null;
+ } else {
+ const [rB, gB, bB] = (0, _display_utils.getRGB)(defaultBg);
+
+ const newComp = x => {
+ x /= 255;
+ return x <= 0.03928 ? x / 12.92 : ((x + 0.055) / 1.055) ** 2.4;
+ };
+
+ const lumB = Math.round(0.2126 * newComp(rB) + 0.7152 * newComp(gB) + 0.0722 * newComp(bB));
+
+ this.selectColor = (r, g, b) => {
+ const lumC = 0.2126 * newComp(r) + 0.7152 * newComp(g) + 0.0722 * newComp(b);
+ return Math.round(lumC) === lumB ? bg : fg;
+ };
+ }
+ }
+
+ this.ctx.fillStyle = this.backgroundColor || defaultBackgroundColor;
+ this.ctx.fillRect(0, 0, width, height);
+ this.ctx.restore();
+
+ if (transparency) {
+ const transparentCanvas = this.cachedCanvases.getCanvas("transparent", width, height);
+ this.compositeCtx = this.ctx;
+ this.transparentCanvas = transparentCanvas.canvas;
+ this.ctx = transparentCanvas.context;
+ this.ctx.save();
+ this.ctx.transform(...(0, _display_utils.getCurrentTransform)(this.compositeCtx));
+ }
+
+ this.ctx.save();
+ resetCtxToDefault(this.ctx, this.foregroundColor);
+
+ if (transform) {
+ this.ctx.transform(...transform);
+ this.outputScaleX = transform[0];
+ this.outputScaleY = transform[0];
+ }
+
+ this.ctx.transform(...viewport.transform);
+ this.viewportScale = viewport.scale;
+ this.baseTransform = (0, _display_utils.getCurrentTransform)(this.ctx);
+
+ if (this.imageLayer) {
+ (0, _display_utils.deprecated)("The `imageLayer` functionality will be removed in the future.");
+ this.imageLayer.beginLayout();
+ }
+ }
+
+ executeOperatorList(operatorList, executionStartIdx, continueCallback, stepper) {
+ const argsArray = operatorList.argsArray;
+ const fnArray = operatorList.fnArray;
+ let i = executionStartIdx || 0;
+ const argsArrayLen = argsArray.length;
+
+ if (argsArrayLen === i) {
+ return i;
+ }
+
+ const chunkOperations = argsArrayLen - i > EXECUTION_STEPS && typeof continueCallback === "function";
+ const endTime = chunkOperations ? Date.now() + EXECUTION_TIME : 0;
+ let steps = 0;
+ const commonObjs = this.commonObjs;
+ const objs = this.objs;
+ let fnId;
+
+ while (true) {
+ if (stepper !== undefined && i === stepper.nextBreakPoint) {
+ stepper.breakIt(i, continueCallback);
return i;
}
- var chunkOperations = argsArrayLen - i > EXECUTION_STEPS && typeof continueCallback === 'function';
- var endTime = chunkOperations ? Date.now() + EXECUTION_TIME : 0;
- var steps = 0;
- var commonObjs = this.commonObjs;
- var objs = this.objs;
- var fnId;
- while (true) {
- if (stepper !== undefined && i === stepper.nextBreakPoint) {
- stepper.breakIt(i, continueCallback);
- return i;
- }
- fnId = fnArray[i];
- if (fnId !== _util.OPS.dependency) {
- this[fnId].apply(this, argsArray[i]);
- } else {
- var deps = argsArray[i];
- for (var n = 0, nn = deps.length; n < nn; n++) {
- var depObjId = deps[n];
- var common = depObjId[0] === 'g' && depObjId[1] === '_';
- var objsPool = common ? commonObjs : objs;
- if (!objsPool.isResolved(depObjId)) {
- objsPool.get(depObjId, continueCallback);
- return i;
- }
- }
- }
- i++;
- if (i === argsArrayLen) {
- return i;
- }
- if (chunkOperations && ++steps > EXECUTION_STEPS) {
- if (Date.now() > endTime) {
- continueCallback();
+
+ fnId = fnArray[i];
+
+ if (fnId !== _util.OPS.dependency) {
+ this[fnId].apply(this, argsArray[i]);
+ } else {
+ for (const depObjId of argsArray[i]) {
+ const objsPool = depObjId.startsWith("g_") ? commonObjs : objs;
+
+ if (!objsPool.has(depObjId)) {
+ objsPool.get(depObjId, continueCallback);
return i;
}
- steps = 0;
}
}
- },
- endDrawing: function CanvasGraphics_endDrawing() {
- if (this.current.activeSMask !== null) {
- this.endSMaskGroup();
+
+ i++;
+
+ if (i === argsArrayLen) {
+ return i;
}
+
+ if (chunkOperations && ++steps > EXECUTION_STEPS) {
+ if (Date.now() > endTime) {
+ continueCallback();
+ return i;
+ }
+
+ steps = 0;
+ }
+ }
+ }
+
+ #restoreInitialState() {
+ while (this.stateStack.length || this.inSMaskMode) {
+ this.restore();
+ }
+
+ this.ctx.restore();
+
+ if (this.transparentCanvas) {
+ this.ctx = this.compositeCtx;
+ this.ctx.save();
+ this.ctx.setTransform(1, 0, 0, 1, 0, 0);
+ this.ctx.drawImage(this.transparentCanvas, 0, 0);
this.ctx.restore();
- if (this.transparentCanvas) {
- this.ctx = this.compositeCtx;
- this.ctx.save();
- this.ctx.setTransform(1, 0, 0, 1, 0, 0);
- this.ctx.drawImage(this.transparentCanvas, 0, 0);
+ this.transparentCanvas = null;
+ }
+ }
+
+ endDrawing() {
+ this.#restoreInitialState();
+ this.cachedCanvases.clear();
+ this.cachedPatterns.clear();
+
+ for (const cache of this._cachedBitmapsMap.values()) {
+ for (const canvas of cache.values()) {
+ if (typeof HTMLCanvasElement !== "undefined" && canvas instanceof HTMLCanvasElement) {
+ canvas.width = canvas.height = 0;
+ }
+ }
+
+ cache.clear();
+ }
+
+ this._cachedBitmapsMap.clear();
+
+ if (this.imageLayer) {
+ this.imageLayer.endLayout();
+ }
+ }
+
+ _scaleImage(img, inverseTransform) {
+ const width = img.width;
+ const height = img.height;
+ let widthScale = Math.max(Math.hypot(inverseTransform[0], inverseTransform[1]), 1);
+ let heightScale = Math.max(Math.hypot(inverseTransform[2], inverseTransform[3]), 1);
+ let paintWidth = width,
+ paintHeight = height;
+ let tmpCanvasId = "prescale1";
+ let tmpCanvas, tmpCtx;
+
+ while (widthScale > 2 && paintWidth > 1 || heightScale > 2 && paintHeight > 1) {
+ let newWidth = paintWidth,
+ newHeight = paintHeight;
+
+ if (widthScale > 2 && paintWidth > 1) {
+ newWidth = Math.ceil(paintWidth / 2);
+ widthScale /= paintWidth / newWidth;
+ }
+
+ if (heightScale > 2 && paintHeight > 1) {
+ newHeight = Math.ceil(paintHeight / 2);
+ heightScale /= paintHeight / newHeight;
+ }
+
+ tmpCanvas = this.cachedCanvases.getCanvas(tmpCanvasId, newWidth, newHeight);
+ tmpCtx = tmpCanvas.context;
+ tmpCtx.clearRect(0, 0, newWidth, newHeight);
+ tmpCtx.drawImage(img, 0, 0, paintWidth, paintHeight, 0, 0, newWidth, newHeight);
+ img = tmpCanvas.canvas;
+ paintWidth = newWidth;
+ paintHeight = newHeight;
+ tmpCanvasId = tmpCanvasId === "prescale1" ? "prescale2" : "prescale1";
+ }
+
+ return {
+ img,
+ paintWidth,
+ paintHeight
+ };
+ }
+
+ _createMaskCanvas(img) {
+ const ctx = this.ctx;
+ const {
+ width,
+ height
+ } = img;
+ const fillColor = this.current.fillColor;
+ const isPatternFill = this.current.patternFill;
+ const currentTransform = (0, _display_utils.getCurrentTransform)(ctx);
+ let cache, cacheKey, scaled, maskCanvas;
+
+ if ((img.bitmap || img.data) && img.count > 1) {
+ const mainKey = img.bitmap || img.data.buffer;
+ const withoutTranslation = currentTransform.slice(0, 4);
+ cacheKey = JSON.stringify(isPatternFill ? withoutTranslation : [withoutTranslation, fillColor]);
+ cache = this._cachedBitmapsMap.get(mainKey);
+
+ if (!cache) {
+ cache = new Map();
+
+ this._cachedBitmapsMap.set(mainKey, cache);
+ }
+
+ const cachedImage = cache.get(cacheKey);
+
+ if (cachedImage && !isPatternFill) {
+ const offsetX = Math.round(Math.min(currentTransform[0], currentTransform[2]) + currentTransform[4]);
+ const offsetY = Math.round(Math.min(currentTransform[1], currentTransform[3]) + currentTransform[5]);
+ return {
+ canvas: cachedImage,
+ offsetX,
+ offsetY
+ };
+ }
+
+ scaled = cachedImage;
+ }
+
+ if (!scaled) {
+ maskCanvas = this.cachedCanvases.getCanvas("maskCanvas", width, height);
+ putBinaryImageMask(maskCanvas.context, img);
+ }
+
+ let maskToCanvas = _util.Util.transform(currentTransform, [1 / width, 0, 0, -1 / height, 0, 0]);
+
+ maskToCanvas = _util.Util.transform(maskToCanvas, [1, 0, 0, 1, 0, -height]);
+
+ const cord1 = _util.Util.applyTransform([0, 0], maskToCanvas);
+
+ const cord2 = _util.Util.applyTransform([width, height], maskToCanvas);
+
+ const rect = _util.Util.normalizeRect([cord1[0], cord1[1], cord2[0], cord2[1]]);
+
+ const drawnWidth = Math.round(rect[2] - rect[0]) || 1;
+ const drawnHeight = Math.round(rect[3] - rect[1]) || 1;
+ const fillCanvas = this.cachedCanvases.getCanvas("fillCanvas", drawnWidth, drawnHeight);
+ const fillCtx = fillCanvas.context;
+ const offsetX = Math.min(cord1[0], cord2[0]);
+ const offsetY = Math.min(cord1[1], cord2[1]);
+ fillCtx.translate(-offsetX, -offsetY);
+ fillCtx.transform(...maskToCanvas);
+
+ if (!scaled) {
+ scaled = this._scaleImage(maskCanvas.canvas, (0, _display_utils.getCurrentTransformInverse)(fillCtx));
+ scaled = scaled.img;
+
+ if (cache && isPatternFill) {
+ cache.set(cacheKey, scaled);
+ }
+ }
+
+ fillCtx.imageSmoothingEnabled = getImageSmoothingEnabled((0, _display_utils.getCurrentTransform)(fillCtx), img.interpolate);
+ drawImageAtIntegerCoords(fillCtx, scaled, 0, 0, scaled.width, scaled.height, 0, 0, width, height);
+ fillCtx.globalCompositeOperation = "source-in";
+
+ const inverse = _util.Util.transform((0, _display_utils.getCurrentTransformInverse)(fillCtx), [1, 0, 0, 1, -offsetX, -offsetY]);
+
+ fillCtx.fillStyle = isPatternFill ? fillColor.getPattern(ctx, this, inverse, _pattern_helper.PathType.FILL) : fillColor;
+ fillCtx.fillRect(0, 0, width, height);
+
+ if (cache && !isPatternFill) {
+ this.cachedCanvases.delete("fillCanvas");
+ cache.set(cacheKey, fillCanvas.canvas);
+ }
+
+ return {
+ canvas: fillCanvas.canvas,
+ offsetX: Math.round(offsetX),
+ offsetY: Math.round(offsetY)
+ };
+ }
+
+ setLineWidth(width) {
+ if (width !== this.current.lineWidth) {
+ this._cachedScaleForStroking = null;
+ }
+
+ this.current.lineWidth = width;
+ this.ctx.lineWidth = width;
+ }
+
+ setLineCap(style) {
+ this.ctx.lineCap = LINE_CAP_STYLES[style];
+ }
+
+ setLineJoin(style) {
+ this.ctx.lineJoin = LINE_JOIN_STYLES[style];
+ }
+
+ setMiterLimit(limit) {
+ this.ctx.miterLimit = limit;
+ }
+
+ setDash(dashArray, dashPhase) {
+ const ctx = this.ctx;
+
+ if (ctx.setLineDash !== undefined) {
+ ctx.setLineDash(dashArray);
+ ctx.lineDashOffset = dashPhase;
+ }
+ }
+
+ setRenderingIntent(intent) {}
+
+ setFlatness(flatness) {}
+
+ setGState(states) {
+ for (let i = 0, ii = states.length; i < ii; i++) {
+ const state = states[i];
+ const key = state[0];
+ const value = state[1];
+
+ switch (key) {
+ case "LW":
+ this.setLineWidth(value);
+ break;
+
+ case "LC":
+ this.setLineCap(value);
+ break;
+
+ case "LJ":
+ this.setLineJoin(value);
+ break;
+
+ case "ML":
+ this.setMiterLimit(value);
+ break;
+
+ case "D":
+ this.setDash(value[0], value[1]);
+ break;
+
+ case "RI":
+ this.setRenderingIntent(value);
+ break;
+
+ case "FL":
+ this.setFlatness(value);
+ break;
+
+ case "Font":
+ this.setFont(value[0], value[1]);
+ break;
+
+ case "CA":
+ this.current.strokeAlpha = state[1];
+ break;
+
+ case "ca":
+ this.current.fillAlpha = state[1];
+ this.ctx.globalAlpha = state[1];
+ break;
+
+ case "BM":
+ this.ctx.globalCompositeOperation = value;
+ break;
+
+ case "SMask":
+ this.current.activeSMask = value ? this.tempSMask : null;
+ this.tempSMask = null;
+ this.checkSMaskState();
+ break;
+
+ case "TR":
+ this.current.transferMaps = value;
+ }
+ }
+ }
+
+ get inSMaskMode() {
+ return !!this.suspendedCtx;
+ }
+
+ checkSMaskState() {
+ const inSMaskMode = this.inSMaskMode;
+
+ if (this.current.activeSMask && !inSMaskMode) {
+ this.beginSMaskMode();
+ } else if (!this.current.activeSMask && inSMaskMode) {
+ this.endSMaskMode();
+ }
+ }
+
+ beginSMaskMode() {
+ if (this.inSMaskMode) {
+ throw new Error("beginSMaskMode called while already in smask mode");
+ }
+
+ const drawnWidth = this.ctx.canvas.width;
+ const drawnHeight = this.ctx.canvas.height;
+ const cacheId = "smaskGroupAt" + this.groupLevel;
+ const scratchCanvas = this.cachedCanvases.getCanvas(cacheId, drawnWidth, drawnHeight);
+ this.suspendedCtx = this.ctx;
+ this.ctx = scratchCanvas.context;
+ const ctx = this.ctx;
+ ctx.setTransform(...(0, _display_utils.getCurrentTransform)(this.suspendedCtx));
+ copyCtxState(this.suspendedCtx, ctx);
+ mirrorContextOperations(ctx, this.suspendedCtx);
+ this.setGState([["BM", "source-over"], ["ca", 1], ["CA", 1]]);
+ }
+
+ endSMaskMode() {
+ if (!this.inSMaskMode) {
+ throw new Error("endSMaskMode called while not in smask mode");
+ }
+
+ this.ctx._removeMirroring();
+
+ copyCtxState(this.ctx, this.suspendedCtx);
+ this.ctx = this.suspendedCtx;
+ this.suspendedCtx = null;
+ }
+
+ compose(dirtyBox) {
+ if (!this.current.activeSMask) {
+ return;
+ }
+
+ if (!dirtyBox) {
+ dirtyBox = [0, 0, this.ctx.canvas.width, this.ctx.canvas.height];
+ } else {
+ dirtyBox[0] = Math.floor(dirtyBox[0]);
+ dirtyBox[1] = Math.floor(dirtyBox[1]);
+ dirtyBox[2] = Math.ceil(dirtyBox[2]);
+ dirtyBox[3] = Math.ceil(dirtyBox[3]);
+ }
+
+ const smask = this.current.activeSMask;
+ const suspendedCtx = this.suspendedCtx;
+ composeSMask(suspendedCtx, smask, this.ctx, dirtyBox);
+ this.ctx.save();
+ this.ctx.setTransform(1, 0, 0, 1, 0, 0);
+ this.ctx.clearRect(0, 0, this.ctx.canvas.width, this.ctx.canvas.height);
+ this.ctx.restore();
+ }
+
+ save() {
+ if (this.inSMaskMode) {
+ copyCtxState(this.ctx, this.suspendedCtx);
+ this.suspendedCtx.save();
+ } else {
+ this.ctx.save();
+ }
+
+ const old = this.current;
+ this.stateStack.push(old);
+ this.current = old.clone();
+ }
+
+ restore() {
+ if (this.stateStack.length === 0 && this.inSMaskMode) {
+ this.endSMaskMode();
+ }
+
+ if (this.stateStack.length !== 0) {
+ this.current = this.stateStack.pop();
+
+ if (this.inSMaskMode) {
+ this.suspendedCtx.restore();
+ copyCtxState(this.suspendedCtx, this.ctx);
+ } else {
this.ctx.restore();
- this.transparentCanvas = null;
}
- this.cachedCanvases.clear();
- _webgl.WebGLUtils.clear();
- if (this.imageLayer) {
- this.imageLayer.endLayout();
+
+ this.checkSMaskState();
+ this.pendingClip = null;
+ this._cachedScaleForStroking = null;
+ this._cachedGetSinglePixelWidth = null;
+ }
+ }
+
+ transform(a, b, c, d, e, f) {
+ this.ctx.transform(a, b, c, d, e, f);
+ this._cachedScaleForStroking = null;
+ this._cachedGetSinglePixelWidth = null;
+ }
+
+ constructPath(ops, args, minMax) {
+ const ctx = this.ctx;
+ const current = this.current;
+ let x = current.x,
+ y = current.y;
+ let startX, startY;
+ const currentTransform = (0, _display_utils.getCurrentTransform)(ctx);
+ const isScalingMatrix = currentTransform[0] === 0 && currentTransform[3] === 0 || currentTransform[1] === 0 && currentTransform[2] === 0;
+ const minMaxForBezier = isScalingMatrix ? minMax.slice(0) : null;
+
+ for (let i = 0, j = 0, ii = ops.length; i < ii; i++) {
+ switch (ops[i] | 0) {
+ case _util.OPS.rectangle:
+ x = args[j++];
+ y = args[j++];
+ const width = args[j++];
+ const height = args[j++];
+ const xw = x + width;
+ const yh = y + height;
+ ctx.moveTo(x, y);
+
+ if (width === 0 || height === 0) {
+ ctx.lineTo(xw, yh);
+ } else {
+ ctx.lineTo(xw, y);
+ ctx.lineTo(xw, yh);
+ ctx.lineTo(x, yh);
+ }
+
+ if (!isScalingMatrix) {
+ current.updateRectMinMax(currentTransform, [x, y, xw, yh]);
+ }
+
+ ctx.closePath();
+ break;
+
+ case _util.OPS.moveTo:
+ x = args[j++];
+ y = args[j++];
+ ctx.moveTo(x, y);
+
+ if (!isScalingMatrix) {
+ current.updatePathMinMax(currentTransform, x, y);
+ }
+
+ break;
+
+ case _util.OPS.lineTo:
+ x = args[j++];
+ y = args[j++];
+ ctx.lineTo(x, y);
+
+ if (!isScalingMatrix) {
+ current.updatePathMinMax(currentTransform, x, y);
+ }
+
+ break;
+
+ case _util.OPS.curveTo:
+ startX = x;
+ startY = y;
+ x = args[j + 4];
+ y = args[j + 5];
+ ctx.bezierCurveTo(args[j], args[j + 1], args[j + 2], args[j + 3], x, y);
+ current.updateCurvePathMinMax(currentTransform, startX, startY, args[j], args[j + 1], args[j + 2], args[j + 3], x, y, minMaxForBezier);
+ j += 6;
+ break;
+
+ case _util.OPS.curveTo2:
+ startX = x;
+ startY = y;
+ ctx.bezierCurveTo(x, y, args[j], args[j + 1], args[j + 2], args[j + 3]);
+ current.updateCurvePathMinMax(currentTransform, startX, startY, x, y, args[j], args[j + 1], args[j + 2], args[j + 3], minMaxForBezier);
+ x = args[j + 2];
+ y = args[j + 3];
+ j += 4;
+ break;
+
+ case _util.OPS.curveTo3:
+ startX = x;
+ startY = y;
+ x = args[j + 2];
+ y = args[j + 3];
+ ctx.bezierCurveTo(args[j], args[j + 1], x, y, x, y);
+ current.updateCurvePathMinMax(currentTransform, startX, startY, args[j], args[j + 1], x, y, x, y, minMaxForBezier);
+ j += 4;
+ break;
+
+ case _util.OPS.closePath:
+ ctx.closePath();
+ break;
}
- },
- setLineWidth: function CanvasGraphics_setLineWidth(width) {
- this.current.lineWidth = width;
- this.ctx.lineWidth = width;
- },
- setLineCap: function CanvasGraphics_setLineCap(style) {
- this.ctx.lineCap = LINE_CAP_STYLES[style];
- },
- setLineJoin: function CanvasGraphics_setLineJoin(style) {
- this.ctx.lineJoin = LINE_JOIN_STYLES[style];
- },
- setMiterLimit: function CanvasGraphics_setMiterLimit(limit) {
- this.ctx.miterLimit = limit;
- },
- setDash: function CanvasGraphics_setDash(dashArray, dashPhase) {
- var ctx = this.ctx;
- if (ctx.setLineDash !== undefined) {
- ctx.setLineDash(dashArray);
- ctx.lineDashOffset = dashPhase;
- }
- },
- setRenderingIntent: function CanvasGraphics_setRenderingIntent(intent) {},
- setFlatness: function CanvasGraphics_setFlatness(flatness) {},
- setGState: function CanvasGraphics_setGState(states) {
- for (var i = 0, ii = states.length; i < ii; i++) {
- var state = states[i];
- var key = state[0];
- var value = state[1];
- switch (key) {
- case 'LW':
- this.setLineWidth(value);
- break;
- case 'LC':
- this.setLineCap(value);
- break;
- case 'LJ':
- this.setLineJoin(value);
- break;
- case 'ML':
- this.setMiterLimit(value);
- break;
- case 'D':
- this.setDash(value[0], value[1]);
- break;
- case 'RI':
- this.setRenderingIntent(value);
- break;
- case 'FL':
- this.setFlatness(value);
- break;
- case 'Font':
- this.setFont(value[0], value[1]);
- break;
- case 'CA':
- this.current.strokeAlpha = state[1];
- break;
- case 'ca':
- this.current.fillAlpha = state[1];
- this.ctx.globalAlpha = state[1];
- break;
- case 'BM':
- this.ctx.globalCompositeOperation = value;
- break;
- case 'SMask':
- if (this.current.activeSMask) {
- if (this.stateStack.length > 0 && this.stateStack[this.stateStack.length - 1].activeSMask === this.current.activeSMask) {
- this.suspendSMaskGroup();
- } else {
- this.endSMaskGroup();
- }
- }
- this.current.activeSMask = value ? this.tempSMask : null;
- if (this.current.activeSMask) {
- this.beginSMaskGroup();
- }
- this.tempSMask = null;
- break;
- }
- }
- },
- beginSMaskGroup: function CanvasGraphics_beginSMaskGroup() {
- var activeSMask = this.current.activeSMask;
- var drawnWidth = activeSMask.canvas.width;
- var drawnHeight = activeSMask.canvas.height;
- var cacheId = 'smaskGroupAt' + this.groupLevel;
- var scratchCanvas = this.cachedCanvases.getCanvas(cacheId, drawnWidth, drawnHeight, true);
- var currentCtx = this.ctx;
- var currentTransform = currentCtx.mozCurrentTransform;
- this.ctx.save();
- var groupCtx = scratchCanvas.context;
- groupCtx.scale(1 / activeSMask.scaleX, 1 / activeSMask.scaleY);
- groupCtx.translate(-activeSMask.offsetX, -activeSMask.offsetY);
- groupCtx.transform.apply(groupCtx, currentTransform);
- activeSMask.startTransformInverse = groupCtx.mozCurrentTransformInverse;
- copyCtxState(currentCtx, groupCtx);
- this.ctx = groupCtx;
- this.setGState([['BM', 'source-over'], ['ca', 1], ['CA', 1]]);
- this.groupStack.push(currentCtx);
- this.groupLevel++;
- },
- suspendSMaskGroup: function CanvasGraphics_endSMaskGroup() {
- var groupCtx = this.ctx;
- this.groupLevel--;
- this.ctx = this.groupStack.pop();
- composeSMask(this.ctx, this.current.activeSMask, groupCtx);
- this.ctx.restore();
- this.ctx.save();
- copyCtxState(groupCtx, this.ctx);
- this.current.resumeSMaskCtx = groupCtx;
- var deltaTransform = _util.Util.transform(this.current.activeSMask.startTransformInverse, groupCtx.mozCurrentTransform);
- this.ctx.transform.apply(this.ctx, deltaTransform);
- groupCtx.save();
- groupCtx.setTransform(1, 0, 0, 1, 0, 0);
- groupCtx.clearRect(0, 0, groupCtx.canvas.width, groupCtx.canvas.height);
- groupCtx.restore();
- },
- resumeSMaskGroup: function CanvasGraphics_endSMaskGroup() {
- var groupCtx = this.current.resumeSMaskCtx;
- var currentCtx = this.ctx;
- this.ctx = groupCtx;
- this.groupStack.push(currentCtx);
- this.groupLevel++;
- },
- endSMaskGroup: function CanvasGraphics_endSMaskGroup() {
- var groupCtx = this.ctx;
- this.groupLevel--;
- this.ctx = this.groupStack.pop();
- composeSMask(this.ctx, this.current.activeSMask, groupCtx);
- this.ctx.restore();
- copyCtxState(groupCtx, this.ctx);
- var deltaTransform = _util.Util.transform(this.current.activeSMask.startTransformInverse, groupCtx.mozCurrentTransform);
- this.ctx.transform.apply(this.ctx, deltaTransform);
- },
- save: function CanvasGraphics_save() {
- this.ctx.save();
- var old = this.current;
- this.stateStack.push(old);
- this.current = old.clone();
- this.current.resumeSMaskCtx = null;
- },
- restore: function CanvasGraphics_restore() {
- if (this.current.resumeSMaskCtx) {
- this.resumeSMaskGroup();
- }
- if (this.current.activeSMask !== null && (this.stateStack.length === 0 || this.stateStack[this.stateStack.length - 1].activeSMask !== this.current.activeSMask)) {
- this.endSMaskGroup();
- }
- if (this.stateStack.length !== 0) {
- this.current = this.stateStack.pop();
- this.ctx.restore();
- this.pendingClip = null;
- this.cachedGetSinglePixelWidth = null;
- }
- },
- transform: function CanvasGraphics_transform(a, b, c, d, e, f) {
- this.ctx.transform(a, b, c, d, e, f);
- this.cachedGetSinglePixelWidth = null;
- },
- constructPath: function CanvasGraphics_constructPath(ops, args) {
- var ctx = this.ctx;
- var current = this.current;
- var x = current.x,
- y = current.y;
- for (var i = 0, j = 0, ii = ops.length; i < ii; i++) {
- switch (ops[i] | 0) {
- case _util.OPS.rectangle:
- x = args[j++];
- y = args[j++];
- var width = args[j++];
- var height = args[j++];
- if (width === 0) {
- width = this.getSinglePixelWidth();
- }
- if (height === 0) {
- height = this.getSinglePixelWidth();
- }
- var xw = x + width;
- var yh = y + height;
- this.ctx.moveTo(x, y);
- this.ctx.lineTo(xw, y);
- this.ctx.lineTo(xw, yh);
- this.ctx.lineTo(x, yh);
- this.ctx.lineTo(x, y);
- this.ctx.closePath();
- break;
- case _util.OPS.moveTo:
- x = args[j++];
- y = args[j++];
- ctx.moveTo(x, y);
- break;
- case _util.OPS.lineTo:
- x = args[j++];
- y = args[j++];
- ctx.lineTo(x, y);
- break;
- case _util.OPS.curveTo:
- x = args[j + 4];
- y = args[j + 5];
- ctx.bezierCurveTo(args[j], args[j + 1], args[j + 2], args[j + 3], x, y);
- j += 6;
- break;
- case _util.OPS.curveTo2:
- ctx.bezierCurveTo(x, y, args[j], args[j + 1], args[j + 2], args[j + 3]);
- x = args[j + 2];
- y = args[j + 3];
- j += 4;
- break;
- case _util.OPS.curveTo3:
- x = args[j + 2];
- y = args[j + 3];
- ctx.bezierCurveTo(args[j], args[j + 1], x, y, x, y);
- j += 4;
- break;
- case _util.OPS.closePath:
- ctx.closePath();
- break;
- }
- }
- current.setCurrentPoint(x, y);
- },
- closePath: function CanvasGraphics_closePath() {
- this.ctx.closePath();
- },
- stroke: function CanvasGraphics_stroke(consumePath) {
- consumePath = typeof consumePath !== 'undefined' ? consumePath : true;
- var ctx = this.ctx;
- var strokeColor = this.current.strokeColor;
- ctx.lineWidth = Math.max(this.getSinglePixelWidth() * MIN_WIDTH_FACTOR, this.current.lineWidth);
- ctx.globalAlpha = this.current.strokeAlpha;
- if (strokeColor && strokeColor.hasOwnProperty('type') && strokeColor.type === 'Pattern') {
+ }
+
+ if (isScalingMatrix) {
+ current.updateScalingPathMinMax(currentTransform, minMaxForBezier);
+ }
+
+ current.setCurrentPoint(x, y);
+ }
+
+ closePath() {
+ this.ctx.closePath();
+ }
+
+ stroke(consumePath) {
+ consumePath = typeof consumePath !== "undefined" ? consumePath : true;
+ const ctx = this.ctx;
+ const strokeColor = this.current.strokeColor;
+ ctx.globalAlpha = this.current.strokeAlpha;
+
+ if (this.contentVisible) {
+ if (typeof strokeColor === "object" && strokeColor?.getPattern) {
ctx.save();
- ctx.strokeStyle = strokeColor.getPattern(ctx, this);
- ctx.stroke();
+ ctx.strokeStyle = strokeColor.getPattern(ctx, this, (0, _display_utils.getCurrentTransformInverse)(ctx), _pattern_helper.PathType.STROKE);
+ this.rescaleAndStroke(false);
ctx.restore();
} else {
- ctx.stroke();
- }
- if (consumePath) {
- this.consumePath();
- }
- ctx.globalAlpha = this.current.fillAlpha;
- },
- closeStroke: function CanvasGraphics_closeStroke() {
- this.closePath();
- this.stroke();
- },
- fill: function CanvasGraphics_fill(consumePath) {
- consumePath = typeof consumePath !== 'undefined' ? consumePath : true;
- var ctx = this.ctx;
- var fillColor = this.current.fillColor;
- var isPatternFill = this.current.patternFill;
- var needRestore = false;
- if (isPatternFill) {
- ctx.save();
- if (this.baseTransform) {
- ctx.setTransform.apply(ctx, this.baseTransform);
- }
- ctx.fillStyle = fillColor.getPattern(ctx, this);
- needRestore = true;
+ this.rescaleAndStroke(true);
}
+ }
+
+ if (consumePath) {
+ this.consumePath(this.current.getClippedPathBoundingBox());
+ }
+
+ ctx.globalAlpha = this.current.fillAlpha;
+ }
+
+ closeStroke() {
+ this.closePath();
+ this.stroke();
+ }
+
+ fill(consumePath) {
+ consumePath = typeof consumePath !== "undefined" ? consumePath : true;
+ const ctx = this.ctx;
+ const fillColor = this.current.fillColor;
+ const isPatternFill = this.current.patternFill;
+ let needRestore = false;
+
+ if (isPatternFill) {
+ ctx.save();
+ ctx.fillStyle = fillColor.getPattern(ctx, this, (0, _display_utils.getCurrentTransformInverse)(ctx), _pattern_helper.PathType.FILL);
+ needRestore = true;
+ }
+
+ const intersect = this.current.getClippedPathBoundingBox();
+
+ if (this.contentVisible && intersect !== null) {
if (this.pendingEOFill) {
- ctx.fill('evenodd');
+ ctx.fill("evenodd");
this.pendingEOFill = false;
} else {
ctx.fill();
}
- if (needRestore) {
- ctx.restore();
- }
- if (consumePath) {
- this.consumePath();
- }
- },
- eoFill: function CanvasGraphics_eoFill() {
- this.pendingEOFill = true;
- this.fill();
- },
- fillStroke: function CanvasGraphics_fillStroke() {
- this.fill(false);
- this.stroke(false);
- this.consumePath();
- },
- eoFillStroke: function CanvasGraphics_eoFillStroke() {
- this.pendingEOFill = true;
- this.fillStroke();
- },
- closeFillStroke: function CanvasGraphics_closeFillStroke() {
- this.closePath();
- this.fillStroke();
- },
- closeEOFillStroke: function CanvasGraphics_closeEOFillStroke() {
- this.pendingEOFill = true;
- this.closePath();
- this.fillStroke();
- },
- endPath: function CanvasGraphics_endPath() {
- this.consumePath();
- },
- clip: function CanvasGraphics_clip() {
- this.pendingClip = NORMAL_CLIP;
- },
- eoClip: function CanvasGraphics_eoClip() {
- this.pendingClip = EO_CLIP;
- },
- beginText: function CanvasGraphics_beginText() {
- this.current.textMatrix = _util.IDENTITY_MATRIX;
- this.current.textMatrixScale = 1;
- this.current.x = this.current.lineX = 0;
- this.current.y = this.current.lineY = 0;
- },
- endText: function CanvasGraphics_endText() {
- var paths = this.pendingTextPaths;
- var ctx = this.ctx;
- if (paths === undefined) {
- ctx.beginPath();
- return;
- }
- ctx.save();
- ctx.beginPath();
- for (var i = 0; i < paths.length; i++) {
- var path = paths[i];
- ctx.setTransform.apply(ctx, path.transform);
- ctx.translate(path.x, path.y);
- path.addToPath(ctx, path.fontSize);
- }
+ }
+
+ if (needRestore) {
ctx.restore();
- ctx.clip();
+ }
+
+ if (consumePath) {
+ this.consumePath(intersect);
+ }
+ }
+
+ eoFill() {
+ this.pendingEOFill = true;
+ this.fill();
+ }
+
+ fillStroke() {
+ this.fill(false);
+ this.stroke(false);
+ this.consumePath();
+ }
+
+ eoFillStroke() {
+ this.pendingEOFill = true;
+ this.fillStroke();
+ }
+
+ closeFillStroke() {
+ this.closePath();
+ this.fillStroke();
+ }
+
+ closeEOFillStroke() {
+ this.pendingEOFill = true;
+ this.closePath();
+ this.fillStroke();
+ }
+
+ endPath() {
+ this.consumePath();
+ }
+
+ clip() {
+ this.pendingClip = NORMAL_CLIP;
+ }
+
+ eoClip() {
+ this.pendingClip = EO_CLIP;
+ }
+
+ beginText() {
+ this.current.textMatrix = _util.IDENTITY_MATRIX;
+ this.current.textMatrixScale = 1;
+ this.current.x = this.current.lineX = 0;
+ this.current.y = this.current.lineY = 0;
+ }
+
+ endText() {
+ const paths = this.pendingTextPaths;
+ const ctx = this.ctx;
+
+ if (paths === undefined) {
ctx.beginPath();
- delete this.pendingTextPaths;
- },
- setCharSpacing: function CanvasGraphics_setCharSpacing(spacing) {
- this.current.charSpacing = spacing;
- },
- setWordSpacing: function CanvasGraphics_setWordSpacing(spacing) {
- this.current.wordSpacing = spacing;
- },
- setHScale: function CanvasGraphics_setHScale(scale) {
- this.current.textHScale = scale / 100;
- },
- setLeading: function CanvasGraphics_setLeading(leading) {
- this.current.leading = -leading;
- },
- setFont: function CanvasGraphics_setFont(fontRefName, size) {
- var fontObj = this.commonObjs.get(fontRefName);
- var current = this.current;
- if (!fontObj) {
- throw new Error('Can\'t find font for ' + fontRefName);
- }
- current.fontMatrix = fontObj.fontMatrix ? fontObj.fontMatrix : _util.FONT_IDENTITY_MATRIX;
- if (current.fontMatrix[0] === 0 || current.fontMatrix[3] === 0) {
- (0, _util.warn)('Invalid font matrix for font ' + fontRefName);
- }
- if (size < 0) {
- size = -size;
- current.fontDirection = -1;
- } else {
- current.fontDirection = 1;
- }
- this.current.font = fontObj;
- this.current.fontSize = size;
- if (fontObj.isType3Font) {
- return;
- }
- var name = fontObj.loadedName || 'sans-serif';
- var bold = fontObj.black ? '900' : fontObj.bold ? 'bold' : 'normal';
- var italic = fontObj.italic ? 'italic' : 'normal';
- var typeface = '"' + name + '", ' + fontObj.fallbackName;
- var browserFontSize = size < MIN_FONT_SIZE ? MIN_FONT_SIZE : size > MAX_FONT_SIZE ? MAX_FONT_SIZE : size;
- this.current.fontSizeScale = size / browserFontSize;
- var rule = italic + ' ' + bold + ' ' + browserFontSize + 'px ' + typeface;
- this.ctx.font = rule;
- },
- setTextRenderingMode: function CanvasGraphics_setTextRenderingMode(mode) {
- this.current.textRenderingMode = mode;
- },
- setTextRise: function CanvasGraphics_setTextRise(rise) {
- this.current.textRise = rise;
- },
- moveText: function CanvasGraphics_moveText(x, y) {
- this.current.x = this.current.lineX += x;
- this.current.y = this.current.lineY += y;
- },
- setLeadingMoveText: function CanvasGraphics_setLeadingMoveText(x, y) {
- this.setLeading(-y);
- this.moveText(x, y);
- },
- setTextMatrix: function CanvasGraphics_setTextMatrix(a, b, c, d, e, f) {
- this.current.textMatrix = [a, b, c, d, e, f];
- this.current.textMatrixScale = Math.sqrt(a * a + b * b);
- this.current.x = this.current.lineX = 0;
- this.current.y = this.current.lineY = 0;
- },
- nextLine: function CanvasGraphics_nextLine() {
- this.moveText(0, this.current.leading);
- },
- paintChar: function CanvasGraphics_paintChar(character, x, y) {
- var ctx = this.ctx;
- var current = this.current;
- var font = current.font;
- var textRenderingMode = current.textRenderingMode;
- var fontSize = current.fontSize / current.fontSizeScale;
- var fillStrokeMode = textRenderingMode & _util.TextRenderingMode.FILL_STROKE_MASK;
- var isAddToPathSet = !!(textRenderingMode & _util.TextRenderingMode.ADD_TO_PATH_FLAG);
- var addToPath;
- if (font.disableFontFace || isAddToPathSet) {
- addToPath = font.getPathGenerator(this.commonObjs, character);
- }
- if (font.disableFontFace) {
- ctx.save();
- ctx.translate(x, y);
- ctx.beginPath();
- addToPath(ctx, fontSize);
- if (fillStrokeMode === _util.TextRenderingMode.FILL || fillStrokeMode === _util.TextRenderingMode.FILL_STROKE) {
- ctx.fill();
- }
- if (fillStrokeMode === _util.TextRenderingMode.STROKE || fillStrokeMode === _util.TextRenderingMode.FILL_STROKE) {
- ctx.stroke();
- }
- ctx.restore();
- } else {
- if (fillStrokeMode === _util.TextRenderingMode.FILL || fillStrokeMode === _util.TextRenderingMode.FILL_STROKE) {
- ctx.fillText(character, x, y);
- }
- if (fillStrokeMode === _util.TextRenderingMode.STROKE || fillStrokeMode === _util.TextRenderingMode.FILL_STROKE) {
- ctx.strokeText(character, x, y);
- }
- }
- if (isAddToPathSet) {
- var paths = this.pendingTextPaths || (this.pendingTextPaths = []);
- paths.push({
- transform: ctx.mozCurrentTransform,
- x: x,
- y: y,
- fontSize: fontSize,
- addToPath: addToPath
- });
- }
- },
- get isFontSubpixelAAEnabled() {
- var ctx = this.canvasFactory.create(10, 10).context;
- ctx.scale(1.5, 1);
- ctx.fillText('I', 0, 10);
- var data = ctx.getImageData(0, 0, 10, 10).data;
- var enabled = false;
- for (var i = 3; i < data.length; i += 4) {
- if (data[i] > 0 && data[i] < 255) {
- enabled = true;
- break;
- }
- }
- return (0, _util.shadow)(this, 'isFontSubpixelAAEnabled', enabled);
- },
- showText: function CanvasGraphics_showText(glyphs) {
- var current = this.current;
- var font = current.font;
- if (font.isType3Font) {
- return this.showType3Text(glyphs);
- }
- var fontSize = current.fontSize;
- if (fontSize === 0) {
- return;
- }
- var ctx = this.ctx;
- var fontSizeScale = current.fontSizeScale;
- var charSpacing = current.charSpacing;
- var wordSpacing = current.wordSpacing;
- var fontDirection = current.fontDirection;
- var textHScale = current.textHScale * fontDirection;
- var glyphsLength = glyphs.length;
- var vertical = font.vertical;
- var spacingDir = vertical ? 1 : -1;
- var defaultVMetrics = font.defaultVMetrics;
- var widthAdvanceScale = fontSize * current.fontMatrix[0];
- var simpleFillText = current.textRenderingMode === _util.TextRenderingMode.FILL && !font.disableFontFace;
+ return;
+ }
+
+ ctx.save();
+ ctx.beginPath();
+
+ for (const path of paths) {
+ ctx.setTransform(...path.transform);
+ ctx.translate(path.x, path.y);
+ path.addToPath(ctx, path.fontSize);
+ }
+
+ ctx.restore();
+ ctx.clip();
+ ctx.beginPath();
+ delete this.pendingTextPaths;
+ }
+
+ setCharSpacing(spacing) {
+ this.current.charSpacing = spacing;
+ }
+
+ setWordSpacing(spacing) {
+ this.current.wordSpacing = spacing;
+ }
+
+ setHScale(scale) {
+ this.current.textHScale = scale / 100;
+ }
+
+ setLeading(leading) {
+ this.current.leading = -leading;
+ }
+
+ setFont(fontRefName, size) {
+ const fontObj = this.commonObjs.get(fontRefName);
+ const current = this.current;
+
+ if (!fontObj) {
+ throw new Error(`Can't find font for ${fontRefName}`);
+ }
+
+ current.fontMatrix = fontObj.fontMatrix || _util.FONT_IDENTITY_MATRIX;
+
+ if (current.fontMatrix[0] === 0 || current.fontMatrix[3] === 0) {
+ (0, _util.warn)("Invalid font matrix for font " + fontRefName);
+ }
+
+ if (size < 0) {
+ size = -size;
+ current.fontDirection = -1;
+ } else {
+ current.fontDirection = 1;
+ }
+
+ this.current.font = fontObj;
+ this.current.fontSize = size;
+
+ if (fontObj.isType3Font) {
+ return;
+ }
+
+ const name = fontObj.loadedName || "sans-serif";
+ let bold = "normal";
+
+ if (fontObj.black) {
+ bold = "900";
+ } else if (fontObj.bold) {
+ bold = "bold";
+ }
+
+ const italic = fontObj.italic ? "italic" : "normal";
+ const typeface = `"${name}", ${fontObj.fallbackName}`;
+ let browserFontSize = size;
+
+ if (size < MIN_FONT_SIZE) {
+ browserFontSize = MIN_FONT_SIZE;
+ } else if (size > MAX_FONT_SIZE) {
+ browserFontSize = MAX_FONT_SIZE;
+ }
+
+ this.current.fontSizeScale = size / browserFontSize;
+ this.ctx.font = `${italic} ${bold} ${browserFontSize}px ${typeface}`;
+ }
+
+ setTextRenderingMode(mode) {
+ this.current.textRenderingMode = mode;
+ }
+
+ setTextRise(rise) {
+ this.current.textRise = rise;
+ }
+
+ moveText(x, y) {
+ this.current.x = this.current.lineX += x;
+ this.current.y = this.current.lineY += y;
+ }
+
+ setLeadingMoveText(x, y) {
+ this.setLeading(-y);
+ this.moveText(x, y);
+ }
+
+ setTextMatrix(a, b, c, d, e, f) {
+ this.current.textMatrix = [a, b, c, d, e, f];
+ this.current.textMatrixScale = Math.hypot(a, b);
+ this.current.x = this.current.lineX = 0;
+ this.current.y = this.current.lineY = 0;
+ }
+
+ nextLine() {
+ this.moveText(0, this.current.leading);
+ }
+
+ paintChar(character, x, y, patternTransform) {
+ const ctx = this.ctx;
+ const current = this.current;
+ const font = current.font;
+ const textRenderingMode = current.textRenderingMode;
+ const fontSize = current.fontSize / current.fontSizeScale;
+ const fillStrokeMode = textRenderingMode & _util.TextRenderingMode.FILL_STROKE_MASK;
+ const isAddToPathSet = !!(textRenderingMode & _util.TextRenderingMode.ADD_TO_PATH_FLAG);
+ const patternFill = current.patternFill && !font.missingFile;
+ let addToPath;
+
+ if (font.disableFontFace || isAddToPathSet || patternFill) {
+ addToPath = font.getPathGenerator(this.commonObjs, character);
+ }
+
+ if (font.disableFontFace || patternFill) {
ctx.save();
- ctx.transform.apply(ctx, current.textMatrix);
- ctx.translate(current.x, current.y + current.textRise);
- if (current.patternFill) {
- ctx.fillStyle = current.fillColor.getPattern(ctx, this);
+ ctx.translate(x, y);
+ ctx.beginPath();
+ addToPath(ctx, fontSize);
+
+ if (patternTransform) {
+ ctx.setTransform(...patternTransform);
}
- if (fontDirection > 0) {
- ctx.scale(textHScale, -1);
- } else {
- ctx.scale(textHScale, 1);
+
+ if (fillStrokeMode === _util.TextRenderingMode.FILL || fillStrokeMode === _util.TextRenderingMode.FILL_STROKE) {
+ ctx.fill();
}
- var lineWidth = current.lineWidth;
- var scale = current.textMatrixScale;
- if (scale === 0 || lineWidth === 0) {
- var fillStrokeMode = current.textRenderingMode & _util.TextRenderingMode.FILL_STROKE_MASK;
- if (fillStrokeMode === _util.TextRenderingMode.STROKE || fillStrokeMode === _util.TextRenderingMode.FILL_STROKE) {
- this.cachedGetSinglePixelWidth = null;
- lineWidth = this.getSinglePixelWidth() * MIN_WIDTH_FACTOR;
- }
- } else {
- lineWidth /= scale;
+
+ if (fillStrokeMode === _util.TextRenderingMode.STROKE || fillStrokeMode === _util.TextRenderingMode.FILL_STROKE) {
+ ctx.stroke();
}
- if (fontSizeScale !== 1.0) {
- ctx.scale(fontSizeScale, fontSizeScale);
- lineWidth /= fontSizeScale;
+
+ ctx.restore();
+ } else {
+ if (fillStrokeMode === _util.TextRenderingMode.FILL || fillStrokeMode === _util.TextRenderingMode.FILL_STROKE) {
+ ctx.fillText(character, x, y);
}
- ctx.lineWidth = lineWidth;
- var x = 0,
- i;
- for (i = 0; i < glyphsLength; ++i) {
- var glyph = glyphs[i];
- if ((0, _util.isNum)(glyph)) {
- x += spacingDir * glyph * fontSize / 1000;
- continue;
- }
- var restoreNeeded = false;
- var spacing = (glyph.isSpace ? wordSpacing : 0) + charSpacing;
- var character = glyph.fontChar;
- var accent = glyph.accent;
- var scaledX, scaledY, scaledAccentX, scaledAccentY;
- var width = glyph.width;
- if (vertical) {
- var vmetric, vx, vy;
- vmetric = glyph.vmetric || defaultVMetrics;
- vx = glyph.vmetric ? vmetric[1] : width * 0.5;
- vx = -vx * widthAdvanceScale;
- vy = vmetric[2] * widthAdvanceScale;
- width = vmetric ? -vmetric[0] : width;
- scaledX = vx / fontSizeScale;
- scaledY = (x + vy) / fontSizeScale;
- } else {
- scaledX = x / fontSizeScale;
- scaledY = 0;
- }
- if (font.remeasure && width > 0) {
- var measuredWidth = ctx.measureText(character).width * 1000 / fontSize * fontSizeScale;
- if (width < measuredWidth && this.isFontSubpixelAAEnabled) {
- var characterScaleX = width / measuredWidth;
- restoreNeeded = true;
- ctx.save();
- ctx.scale(characterScaleX, 1);
- scaledX /= characterScaleX;
- } else if (width !== measuredWidth) {
- scaledX += (width - measuredWidth) / 2000 * fontSize / fontSizeScale;
- }
- }
- if (glyph.isInFont || font.missingFile) {
- if (simpleFillText && !accent) {
- ctx.fillText(character, scaledX, scaledY);
- } else {
- this.paintChar(character, scaledX, scaledY);
- if (accent) {
- scaledAccentX = scaledX + accent.offset.x / fontSizeScale;
- scaledAccentY = scaledY - accent.offset.y / fontSizeScale;
- this.paintChar(accent.fontChar, scaledAccentX, scaledAccentY);
- }
- }
- }
- var charWidth = width * widthAdvanceScale + spacing * fontDirection;
- x += charWidth;
- if (restoreNeeded) {
- ctx.restore();
- }
+
+ if (fillStrokeMode === _util.TextRenderingMode.STROKE || fillStrokeMode === _util.TextRenderingMode.FILL_STROKE) {
+ ctx.strokeText(character, x, y);
}
+ }
+
+ if (isAddToPathSet) {
+ const paths = this.pendingTextPaths || (this.pendingTextPaths = []);
+ paths.push({
+ transform: (0, _display_utils.getCurrentTransform)(ctx),
+ x,
+ y,
+ fontSize,
+ addToPath
+ });
+ }
+ }
+
+ get isFontSubpixelAAEnabled() {
+ const {
+ context: ctx
+ } = this.cachedCanvases.getCanvas("isFontSubpixelAAEnabled", 10, 10);
+ ctx.scale(1.5, 1);
+ ctx.fillText("I", 0, 10);
+ const data = ctx.getImageData(0, 0, 10, 10).data;
+ let enabled = false;
+
+ for (let i = 3; i < data.length; i += 4) {
+ if (data[i] > 0 && data[i] < 255) {
+ enabled = true;
+ break;
+ }
+ }
+
+ return (0, _util.shadow)(this, "isFontSubpixelAAEnabled", enabled);
+ }
+
+ showText(glyphs) {
+ const current = this.current;
+ const font = current.font;
+
+ if (font.isType3Font) {
+ return this.showType3Text(glyphs);
+ }
+
+ const fontSize = current.fontSize;
+
+ if (fontSize === 0) {
+ return undefined;
+ }
+
+ const ctx = this.ctx;
+ const fontSizeScale = current.fontSizeScale;
+ const charSpacing = current.charSpacing;
+ const wordSpacing = current.wordSpacing;
+ const fontDirection = current.fontDirection;
+ const textHScale = current.textHScale * fontDirection;
+ const glyphsLength = glyphs.length;
+ const vertical = font.vertical;
+ const spacingDir = vertical ? 1 : -1;
+ const defaultVMetrics = font.defaultVMetrics;
+ const widthAdvanceScale = fontSize * current.fontMatrix[0];
+ const simpleFillText = current.textRenderingMode === _util.TextRenderingMode.FILL && !font.disableFontFace && !current.patternFill;
+ ctx.save();
+ ctx.transform(...current.textMatrix);
+ ctx.translate(current.x, current.y + current.textRise);
+
+ if (fontDirection > 0) {
+ ctx.scale(textHScale, -1);
+ } else {
+ ctx.scale(textHScale, 1);
+ }
+
+ let patternTransform;
+
+ if (current.patternFill) {
+ ctx.save();
+ const pattern = current.fillColor.getPattern(ctx, this, (0, _display_utils.getCurrentTransformInverse)(ctx), _pattern_helper.PathType.FILL);
+ patternTransform = (0, _display_utils.getCurrentTransform)(ctx);
+ ctx.restore();
+ ctx.fillStyle = pattern;
+ }
+
+ let lineWidth = current.lineWidth;
+ const scale = current.textMatrixScale;
+
+ if (scale === 0 || lineWidth === 0) {
+ const fillStrokeMode = current.textRenderingMode & _util.TextRenderingMode.FILL_STROKE_MASK;
+
+ if (fillStrokeMode === _util.TextRenderingMode.STROKE || fillStrokeMode === _util.TextRenderingMode.FILL_STROKE) {
+ lineWidth = this.getSinglePixelWidth();
+ }
+ } else {
+ lineWidth /= scale;
+ }
+
+ if (fontSizeScale !== 1.0) {
+ ctx.scale(fontSizeScale, fontSizeScale);
+ lineWidth /= fontSizeScale;
+ }
+
+ ctx.lineWidth = lineWidth;
+ let x = 0,
+ i;
+
+ for (i = 0; i < glyphsLength; ++i) {
+ const glyph = glyphs[i];
+
+ if (typeof glyph === "number") {
+ x += spacingDir * glyph * fontSize / 1000;
+ continue;
+ }
+
+ let restoreNeeded = false;
+ const spacing = (glyph.isSpace ? wordSpacing : 0) + charSpacing;
+ const character = glyph.fontChar;
+ const accent = glyph.accent;
+ let scaledX, scaledY;
+ let width = glyph.width;
+
if (vertical) {
- current.y -= x * textHScale;
+ const vmetric = glyph.vmetric || defaultVMetrics;
+ const vx = -(glyph.vmetric ? vmetric[1] : width * 0.5) * widthAdvanceScale;
+ const vy = vmetric[2] * widthAdvanceScale;
+ width = vmetric ? -vmetric[0] : width;
+ scaledX = vx / fontSizeScale;
+ scaledY = (x + vy) / fontSizeScale;
} else {
- current.x += x * textHScale;
+ scaledX = x / fontSizeScale;
+ scaledY = 0;
}
- ctx.restore();
- },
- showType3Text: function CanvasGraphics_showType3Text(glyphs) {
- var ctx = this.ctx;
- var current = this.current;
- var font = current.font;
- var fontSize = current.fontSize;
- var fontDirection = current.fontDirection;
- var spacingDir = font.vertical ? 1 : -1;
- var charSpacing = current.charSpacing;
- var wordSpacing = current.wordSpacing;
- var textHScale = current.textHScale * fontDirection;
- var fontMatrix = current.fontMatrix || _util.FONT_IDENTITY_MATRIX;
- var glyphsLength = glyphs.length;
- var isTextInvisible = current.textRenderingMode === _util.TextRenderingMode.INVISIBLE;
- var i, glyph, width, spacingLength;
- if (isTextInvisible || fontSize === 0) {
- return;
+
+ if (font.remeasure && width > 0) {
+ const measuredWidth = ctx.measureText(character).width * 1000 / fontSize * fontSizeScale;
+
+ if (width < measuredWidth && this.isFontSubpixelAAEnabled) {
+ const characterScaleX = width / measuredWidth;
+ restoreNeeded = true;
+ ctx.save();
+ ctx.scale(characterScaleX, 1);
+ scaledX /= characterScaleX;
+ } else if (width !== measuredWidth) {
+ scaledX += (width - measuredWidth) / 2000 * fontSize / fontSizeScale;
+ }
}
- this.cachedGetSinglePixelWidth = null;
- ctx.save();
- ctx.transform.apply(ctx, current.textMatrix);
- ctx.translate(current.x, current.y);
- ctx.scale(textHScale, fontDirection);
- for (i = 0; i < glyphsLength; ++i) {
- glyph = glyphs[i];
- if ((0, _util.isNum)(glyph)) {
- spacingLength = spacingDir * glyph * fontSize / 1000;
- this.ctx.translate(spacingLength, 0);
- current.x += spacingLength * textHScale;
- continue;
- }
- var spacing = (glyph.isSpace ? wordSpacing : 0) + charSpacing;
- var operatorList = font.charProcOperatorList[glyph.operatorListId];
- if (!operatorList) {
- (0, _util.warn)('Type3 character "' + glyph.operatorListId + '" is not available.');
- continue;
+
+ if (this.contentVisible && (glyph.isInFont || font.missingFile)) {
+ if (simpleFillText && !accent) {
+ ctx.fillText(character, scaledX, scaledY);
+ } else {
+ this.paintChar(character, scaledX, scaledY, patternTransform);
+
+ if (accent) {
+ const scaledAccentX = scaledX + fontSize * accent.offset.x / fontSizeScale;
+ const scaledAccentY = scaledY - fontSize * accent.offset.y / fontSizeScale;
+ this.paintChar(accent.fontChar, scaledAccentX, scaledAccentY, patternTransform);
+ }
}
+ }
+
+ let charWidth;
+
+ if (vertical) {
+ charWidth = width * widthAdvanceScale - spacing * fontDirection;
+ } else {
+ charWidth = width * widthAdvanceScale + spacing * fontDirection;
+ }
+
+ x += charWidth;
+
+ if (restoreNeeded) {
+ ctx.restore();
+ }
+ }
+
+ if (vertical) {
+ current.y -= x;
+ } else {
+ current.x += x * textHScale;
+ }
+
+ ctx.restore();
+ this.compose();
+ return undefined;
+ }
+
+ showType3Text(glyphs) {
+ const ctx = this.ctx;
+ const current = this.current;
+ const font = current.font;
+ const fontSize = current.fontSize;
+ const fontDirection = current.fontDirection;
+ const spacingDir = font.vertical ? 1 : -1;
+ const charSpacing = current.charSpacing;
+ const wordSpacing = current.wordSpacing;
+ const textHScale = current.textHScale * fontDirection;
+ const fontMatrix = current.fontMatrix || _util.FONT_IDENTITY_MATRIX;
+ const glyphsLength = glyphs.length;
+ const isTextInvisible = current.textRenderingMode === _util.TextRenderingMode.INVISIBLE;
+ let i, glyph, width, spacingLength;
+
+ if (isTextInvisible || fontSize === 0) {
+ return;
+ }
+
+ this._cachedScaleForStroking = null;
+ this._cachedGetSinglePixelWidth = null;
+ ctx.save();
+ ctx.transform(...current.textMatrix);
+ ctx.translate(current.x, current.y);
+ ctx.scale(textHScale, fontDirection);
+
+ for (i = 0; i < glyphsLength; ++i) {
+ glyph = glyphs[i];
+
+ if (typeof glyph === "number") {
+ spacingLength = spacingDir * glyph * fontSize / 1000;
+ this.ctx.translate(spacingLength, 0);
+ current.x += spacingLength * textHScale;
+ continue;
+ }
+
+ const spacing = (glyph.isSpace ? wordSpacing : 0) + charSpacing;
+ const operatorList = font.charProcOperatorList[glyph.operatorListId];
+
+ if (!operatorList) {
+ (0, _util.warn)(`Type3 character "${glyph.operatorListId}" is not available.`);
+ continue;
+ }
+
+ if (this.contentVisible) {
this.processingType3 = glyph;
this.save();
ctx.scale(fontSize, fontSize);
- ctx.transform.apply(ctx, fontMatrix);
+ ctx.transform(...fontMatrix);
this.executeOperatorList(operatorList);
this.restore();
- var transformed = _util.Util.applyTransform([glyph.width, 0], fontMatrix);
- width = transformed[0] * fontSize + spacing;
- ctx.translate(width, 0);
- current.x += width * textHScale;
}
- ctx.restore();
- this.processingType3 = null;
- },
- setCharWidth: function CanvasGraphics_setCharWidth(xWidth, yWidth) {},
- setCharWidthAndBounds: function CanvasGraphics_setCharWidthAndBounds(xWidth, yWidth, llx, lly, urx, ury) {
- this.ctx.rect(llx, lly, urx - llx, ury - lly);
+
+ const transformed = _util.Util.applyTransform([glyph.width, 0], fontMatrix);
+
+ width = transformed[0] * fontSize + spacing;
+ ctx.translate(width, 0);
+ current.x += width * textHScale;
+ }
+
+ ctx.restore();
+ this.processingType3 = null;
+ }
+
+ setCharWidth(xWidth, yWidth) {}
+
+ setCharWidthAndBounds(xWidth, yWidth, llx, lly, urx, ury) {
+ this.ctx.rect(llx, lly, urx - llx, ury - lly);
+ this.ctx.clip();
+ this.endPath();
+ }
+
+ getColorN_Pattern(IR) {
+ let pattern;
+
+ if (IR[0] === "TilingPattern") {
+ const color = IR[1];
+ const baseTransform = this.baseTransform || (0, _display_utils.getCurrentTransform)(this.ctx);
+ const canvasGraphicsFactory = {
+ createCanvasGraphics: ctx => {
+ return new CanvasGraphics(ctx, this.commonObjs, this.objs, this.canvasFactory);
+ }
+ };
+ pattern = new _pattern_helper.TilingPattern(IR, color, this.ctx, canvasGraphicsFactory, baseTransform);
+ } else {
+ pattern = this._getPattern(IR[1], IR[2]);
+ }
+
+ return pattern;
+ }
+
+ setStrokeColorN() {
+ this.current.strokeColor = this.getColorN_Pattern(arguments);
+ }
+
+ setFillColorN() {
+ this.current.fillColor = this.getColorN_Pattern(arguments);
+ this.current.patternFill = true;
+ }
+
+ setStrokeRGBColor(r, g, b) {
+ const color = this.selectColor?.(r, g, b) || _util.Util.makeHexColor(r, g, b);
+
+ this.ctx.strokeStyle = color;
+ this.current.strokeColor = color;
+ }
+
+ setFillRGBColor(r, g, b) {
+ const color = this.selectColor?.(r, g, b) || _util.Util.makeHexColor(r, g, b);
+
+ this.ctx.fillStyle = color;
+ this.current.fillColor = color;
+ this.current.patternFill = false;
+ }
+
+ _getPattern(objId, matrix = null) {
+ let pattern;
+
+ if (this.cachedPatterns.has(objId)) {
+ pattern = this.cachedPatterns.get(objId);
+ } else {
+ pattern = (0, _pattern_helper.getShadingPattern)(this.objs.get(objId));
+ this.cachedPatterns.set(objId, pattern);
+ }
+
+ if (matrix) {
+ pattern.matrix = matrix;
+ }
+
+ return pattern;
+ }
+
+ shadingFill(objId) {
+ if (!this.contentVisible) {
+ return;
+ }
+
+ const ctx = this.ctx;
+ this.save();
+
+ const pattern = this._getPattern(objId);
+
+ ctx.fillStyle = pattern.getPattern(ctx, this, (0, _display_utils.getCurrentTransformInverse)(ctx), _pattern_helper.PathType.SHADING);
+ const inv = (0, _display_utils.getCurrentTransformInverse)(ctx);
+
+ if (inv) {
+ const canvas = ctx.canvas;
+ const width = canvas.width;
+ const height = canvas.height;
+
+ const bl = _util.Util.applyTransform([0, 0], inv);
+
+ const br = _util.Util.applyTransform([0, height], inv);
+
+ const ul = _util.Util.applyTransform([width, 0], inv);
+
+ const ur = _util.Util.applyTransform([width, height], inv);
+
+ const x0 = Math.min(bl[0], br[0], ul[0], ur[0]);
+ const y0 = Math.min(bl[1], br[1], ul[1], ur[1]);
+ const x1 = Math.max(bl[0], br[0], ul[0], ur[0]);
+ const y1 = Math.max(bl[1], br[1], ul[1], ur[1]);
+ this.ctx.fillRect(x0, y0, x1 - x0, y1 - y0);
+ } else {
+ this.ctx.fillRect(-1e10, -1e10, 2e10, 2e10);
+ }
+
+ this.compose(this.current.getClippedPathBoundingBox());
+ this.restore();
+ }
+
+ beginInlineImage() {
+ (0, _util.unreachable)("Should not call beginInlineImage");
+ }
+
+ beginImageData() {
+ (0, _util.unreachable)("Should not call beginImageData");
+ }
+
+ paintFormXObjectBegin(matrix, bbox) {
+ if (!this.contentVisible) {
+ return;
+ }
+
+ this.save();
+ this.baseTransformStack.push(this.baseTransform);
+
+ if (Array.isArray(matrix) && matrix.length === 6) {
+ this.transform(...matrix);
+ }
+
+ this.baseTransform = (0, _display_utils.getCurrentTransform)(this.ctx);
+
+ if (bbox) {
+ const width = bbox[2] - bbox[0];
+ const height = bbox[3] - bbox[1];
+ this.ctx.rect(bbox[0], bbox[1], width, height);
+ this.current.updateRectMinMax((0, _display_utils.getCurrentTransform)(this.ctx), bbox);
this.clip();
this.endPath();
- },
- getColorN_Pattern: function CanvasGraphics_getColorN_Pattern(IR) {
- var _this = this;
+ }
+ }
- var pattern;
- if (IR[0] === 'TilingPattern') {
- var color = IR[1];
- var baseTransform = this.baseTransform || this.ctx.mozCurrentTransform.slice();
- var canvasGraphicsFactory = {
- createCanvasGraphics: function createCanvasGraphics(ctx) {
- return new CanvasGraphics(ctx, _this.commonObjs, _this.objs, _this.canvasFactory);
- }
- };
- pattern = new _pattern_helper.TilingPattern(IR, color, this.ctx, canvasGraphicsFactory, baseTransform);
- } else {
- pattern = (0, _pattern_helper.getShadingPatternFromIR)(IR);
- }
- return pattern;
- },
- setStrokeColorN: function CanvasGraphics_setStrokeColorN() {
- this.current.strokeColor = this.getColorN_Pattern(arguments);
- },
- setFillColorN: function CanvasGraphics_setFillColorN() {
- this.current.fillColor = this.getColorN_Pattern(arguments);
- this.current.patternFill = true;
- },
- setStrokeRGBColor: function CanvasGraphics_setStrokeRGBColor(r, g, b) {
- var color = _util.Util.makeCssRgb(r, g, b);
- this.ctx.strokeStyle = color;
- this.current.strokeColor = color;
- },
- setFillRGBColor: function CanvasGraphics_setFillRGBColor(r, g, b) {
- var color = _util.Util.makeCssRgb(r, g, b);
- this.ctx.fillStyle = color;
- this.current.fillColor = color;
- this.current.patternFill = false;
- },
- shadingFill: function CanvasGraphics_shadingFill(patternIR) {
- var ctx = this.ctx;
- this.save();
- var pattern = (0, _pattern_helper.getShadingPatternFromIR)(patternIR);
- ctx.fillStyle = pattern.getPattern(ctx, this, true);
- var inv = ctx.mozCurrentTransformInverse;
- if (inv) {
- var canvas = ctx.canvas;
- var width = canvas.width;
- var height = canvas.height;
- var bl = _util.Util.applyTransform([0, 0], inv);
- var br = _util.Util.applyTransform([0, height], inv);
- var ul = _util.Util.applyTransform([width, 0], inv);
- var ur = _util.Util.applyTransform([width, height], inv);
- var x0 = Math.min(bl[0], br[0], ul[0], ur[0]);
- var y0 = Math.min(bl[1], br[1], ul[1], ur[1]);
- var x1 = Math.max(bl[0], br[0], ul[0], ur[0]);
- var y1 = Math.max(bl[1], br[1], ul[1], ur[1]);
- this.ctx.fillRect(x0, y0, x1 - x0, y1 - y0);
- } else {
- this.ctx.fillRect(-1e10, -1e10, 2e10, 2e10);
- }
- this.restore();
- },
- beginInlineImage: function CanvasGraphics_beginInlineImage() {
- throw new Error('Should not call beginInlineImage');
- },
- beginImageData: function CanvasGraphics_beginImageData() {
- throw new Error('Should not call beginImageData');
- },
- paintFormXObjectBegin: function CanvasGraphics_paintFormXObjectBegin(matrix, bbox) {
- this.save();
- this.baseTransformStack.push(this.baseTransform);
- if ((0, _util.isArray)(matrix) && matrix.length === 6) {
- this.transform.apply(this, matrix);
- }
- this.baseTransform = this.ctx.mozCurrentTransform;
- if ((0, _util.isArray)(bbox) && bbox.length === 4) {
- var width = bbox[2] - bbox[0];
- var height = bbox[3] - bbox[1];
- this.ctx.rect(bbox[0], bbox[1], width, height);
- this.clip();
- this.endPath();
- }
- },
- paintFormXObjectEnd: function CanvasGraphics_paintFormXObjectEnd() {
- this.restore();
- this.baseTransform = this.baseTransformStack.pop();
- },
- beginGroup: function CanvasGraphics_beginGroup(group) {
- this.save();
- var currentCtx = this.ctx;
- if (!group.isolated) {
- (0, _util.info)('TODO: Support non-isolated groups.');
- }
- if (group.knockout) {
- (0, _util.warn)('Knockout groups not supported.');
- }
- var currentTransform = currentCtx.mozCurrentTransform;
- if (group.matrix) {
- currentCtx.transform.apply(currentCtx, group.matrix);
- }
- if (!group.bbox) {
- throw new Error('Bounding box is required.');
- }
- var bounds = _util.Util.getAxialAlignedBoundingBox(group.bbox, currentCtx.mozCurrentTransform);
- var canvasBounds = [0, 0, currentCtx.canvas.width, currentCtx.canvas.height];
- bounds = _util.Util.intersect(bounds, canvasBounds) || [0, 0, 0, 0];
- var offsetX = Math.floor(bounds[0]);
- var offsetY = Math.floor(bounds[1]);
- var drawnWidth = Math.max(Math.ceil(bounds[2]) - offsetX, 1);
- var drawnHeight = Math.max(Math.ceil(bounds[3]) - offsetY, 1);
- var scaleX = 1,
- scaleY = 1;
- if (drawnWidth > MAX_GROUP_SIZE) {
- scaleX = drawnWidth / MAX_GROUP_SIZE;
- drawnWidth = MAX_GROUP_SIZE;
- }
- if (drawnHeight > MAX_GROUP_SIZE) {
- scaleY = drawnHeight / MAX_GROUP_SIZE;
- drawnHeight = MAX_GROUP_SIZE;
- }
- var cacheId = 'groupAt' + this.groupLevel;
- if (group.smask) {
- cacheId += '_smask_' + this.smaskCounter++ % 2;
- }
- var scratchCanvas = this.cachedCanvases.getCanvas(cacheId, drawnWidth, drawnHeight, true);
- var groupCtx = scratchCanvas.context;
- groupCtx.scale(1 / scaleX, 1 / scaleY);
- groupCtx.translate(-offsetX, -offsetY);
- groupCtx.transform.apply(groupCtx, currentTransform);
- if (group.smask) {
- this.smaskStack.push({
- canvas: scratchCanvas.canvas,
- context: groupCtx,
- offsetX: offsetX,
- offsetY: offsetY,
- scaleX: scaleX,
- scaleY: scaleY,
- subtype: group.smask.subtype,
- backdrop: group.smask.backdrop,
- transferMap: group.smask.transferMap || null,
- startTransformInverse: null
- });
- } else {
- currentCtx.setTransform(1, 0, 0, 1, 0, 0);
- currentCtx.translate(offsetX, offsetY);
- currentCtx.scale(scaleX, scaleY);
- }
- copyCtxState(currentCtx, groupCtx);
- this.ctx = groupCtx;
- this.setGState([['BM', 'source-over'], ['ca', 1], ['CA', 1]]);
- this.groupStack.push(currentCtx);
- this.groupLevel++;
+ paintFormXObjectEnd() {
+ if (!this.contentVisible) {
+ return;
+ }
+
+ this.restore();
+ this.baseTransform = this.baseTransformStack.pop();
+ }
+
+ beginGroup(group) {
+ if (!this.contentVisible) {
+ return;
+ }
+
+ this.save();
+
+ if (this.inSMaskMode) {
+ this.endSMaskMode();
this.current.activeSMask = null;
- },
- endGroup: function CanvasGraphics_endGroup(group) {
- this.groupLevel--;
- var groupCtx = this.ctx;
- this.ctx = this.groupStack.pop();
- if (this.ctx.imageSmoothingEnabled !== undefined) {
- this.ctx.imageSmoothingEnabled = false;
- } else {
- this.ctx.mozImageSmoothingEnabled = false;
- }
- if (group.smask) {
- this.tempSMask = this.smaskStack.pop();
- } else {
- this.ctx.drawImage(groupCtx.canvas, 0, 0);
- }
+ }
+
+ const currentCtx = this.ctx;
+
+ if (!group.isolated) {
+ (0, _util.info)("TODO: Support non-isolated groups.");
+ }
+
+ if (group.knockout) {
+ (0, _util.warn)("Knockout groups not supported.");
+ }
+
+ const currentTransform = (0, _display_utils.getCurrentTransform)(currentCtx);
+
+ if (group.matrix) {
+ currentCtx.transform(...group.matrix);
+ }
+
+ if (!group.bbox) {
+ throw new Error("Bounding box is required.");
+ }
+
+ let bounds = _util.Util.getAxialAlignedBoundingBox(group.bbox, (0, _display_utils.getCurrentTransform)(currentCtx));
+
+ const canvasBounds = [0, 0, currentCtx.canvas.width, currentCtx.canvas.height];
+ bounds = _util.Util.intersect(bounds, canvasBounds) || [0, 0, 0, 0];
+ const offsetX = Math.floor(bounds[0]);
+ const offsetY = Math.floor(bounds[1]);
+ let drawnWidth = Math.max(Math.ceil(bounds[2]) - offsetX, 1);
+ let drawnHeight = Math.max(Math.ceil(bounds[3]) - offsetY, 1);
+ let scaleX = 1,
+ scaleY = 1;
+
+ if (drawnWidth > MAX_GROUP_SIZE) {
+ scaleX = drawnWidth / MAX_GROUP_SIZE;
+ drawnWidth = MAX_GROUP_SIZE;
+ }
+
+ if (drawnHeight > MAX_GROUP_SIZE) {
+ scaleY = drawnHeight / MAX_GROUP_SIZE;
+ drawnHeight = MAX_GROUP_SIZE;
+ }
+
+ this.current.startNewPathAndClipBox([0, 0, drawnWidth, drawnHeight]);
+ let cacheId = "groupAt" + this.groupLevel;
+
+ if (group.smask) {
+ cacheId += "_smask_" + this.smaskCounter++ % 2;
+ }
+
+ const scratchCanvas = this.cachedCanvases.getCanvas(cacheId, drawnWidth, drawnHeight);
+ const groupCtx = scratchCanvas.context;
+ groupCtx.scale(1 / scaleX, 1 / scaleY);
+ groupCtx.translate(-offsetX, -offsetY);
+ groupCtx.transform(...currentTransform);
+
+ if (group.smask) {
+ this.smaskStack.push({
+ canvas: scratchCanvas.canvas,
+ context: groupCtx,
+ offsetX,
+ offsetY,
+ scaleX,
+ scaleY,
+ subtype: group.smask.subtype,
+ backdrop: group.smask.backdrop,
+ transferMap: group.smask.transferMap || null,
+ startTransformInverse: null
+ });
+ } else {
+ currentCtx.setTransform(1, 0, 0, 1, 0, 0);
+ currentCtx.translate(offsetX, offsetY);
+ currentCtx.scale(scaleX, scaleY);
+ currentCtx.save();
+ }
+
+ copyCtxState(currentCtx, groupCtx);
+ this.ctx = groupCtx;
+ this.setGState([["BM", "source-over"], ["ca", 1], ["CA", 1]]);
+ this.groupStack.push(currentCtx);
+ this.groupLevel++;
+ }
+
+ endGroup(group) {
+ if (!this.contentVisible) {
+ return;
+ }
+
+ this.groupLevel--;
+ const groupCtx = this.ctx;
+ const ctx = this.groupStack.pop();
+ this.ctx = ctx;
+ this.ctx.imageSmoothingEnabled = false;
+
+ if (group.smask) {
+ this.tempSMask = this.smaskStack.pop();
this.restore();
- },
- beginAnnotations: function CanvasGraphics_beginAnnotations() {
- this.save();
- if (this.baseTransform) {
- this.ctx.setTransform.apply(this.ctx, this.baseTransform);
- }
- },
- endAnnotations: function CanvasGraphics_endAnnotations() {
+ } else {
+ this.ctx.restore();
+ const currentMtx = (0, _display_utils.getCurrentTransform)(this.ctx);
this.restore();
- },
- beginAnnotation: function CanvasGraphics_beginAnnotation(rect, transform, matrix) {
- this.save();
- resetCtxToDefault(this.ctx);
- this.current = new CanvasExtraState();
- if ((0, _util.isArray)(rect) && rect.length === 4) {
- var width = rect[2] - rect[0];
- var height = rect[3] - rect[1];
+ this.ctx.save();
+ this.ctx.setTransform(...currentMtx);
+
+ const dirtyBox = _util.Util.getAxialAlignedBoundingBox([0, 0, groupCtx.canvas.width, groupCtx.canvas.height], currentMtx);
+
+ this.ctx.drawImage(groupCtx.canvas, 0, 0);
+ this.ctx.restore();
+ this.compose(dirtyBox);
+ }
+ }
+
+ beginAnnotation(id, rect, transform, matrix, hasOwnCanvas) {
+ this.#restoreInitialState();
+ resetCtxToDefault(this.ctx, this.foregroundColor);
+ this.ctx.save();
+ this.save();
+
+ if (this.baseTransform) {
+ this.ctx.setTransform(...this.baseTransform);
+ }
+
+ if (Array.isArray(rect) && rect.length === 4) {
+ const width = rect[2] - rect[0];
+ const height = rect[3] - rect[1];
+
+ if (hasOwnCanvas && this.annotationCanvasMap) {
+ transform = transform.slice();
+ transform[4] -= rect[0];
+ transform[5] -= rect[1];
+ rect = rect.slice();
+ rect[0] = rect[1] = 0;
+ rect[2] = width;
+ rect[3] = height;
+
+ const [scaleX, scaleY] = _util.Util.singularValueDecompose2dScale((0, _display_utils.getCurrentTransform)(this.ctx));
+
+ const {
+ viewportScale
+ } = this;
+ const canvasWidth = Math.ceil(width * this.outputScaleX * viewportScale);
+ const canvasHeight = Math.ceil(height * this.outputScaleY * viewportScale);
+ this.annotationCanvas = this.canvasFactory.create(canvasWidth, canvasHeight);
+ const {
+ canvas,
+ context
+ } = this.annotationCanvas;
+ this.annotationCanvasMap.set(id, canvas);
+ this.annotationCanvas.savedCtx = this.ctx;
+ this.ctx = context;
+ this.ctx.setTransform(scaleX, 0, 0, -scaleY, 0, height * scaleY);
+ resetCtxToDefault(this.ctx, this.foregroundColor);
+ } else {
+ resetCtxToDefault(this.ctx, this.foregroundColor);
this.ctx.rect(rect[0], rect[1], width, height);
- this.clip();
+ this.ctx.clip();
this.endPath();
}
- this.transform.apply(this, transform);
- this.transform.apply(this, matrix);
- },
- endAnnotation: function CanvasGraphics_endAnnotation() {
- this.restore();
- },
- paintJpegXObject: function CanvasGraphics_paintJpegXObject(objId, w, h) {
- var domImage = this.objs.get(objId);
- if (!domImage) {
- (0, _util.warn)('Dependent image isn\'t ready yet');
- return;
+ }
+
+ this.current = new CanvasExtraState(this.ctx.canvas.width, this.ctx.canvas.height);
+ this.transform(...transform);
+ this.transform(...matrix);
+ }
+
+ endAnnotation() {
+ if (this.annotationCanvas) {
+ this.ctx = this.annotationCanvas.savedCtx;
+ delete this.annotationCanvas.savedCtx;
+ delete this.annotationCanvas;
+ }
+ }
+
+ paintImageMaskXObject(img) {
+ if (!this.contentVisible) {
+ return;
+ }
+
+ const count = img.count;
+ img = this.getObject(img.data, img);
+ img.count = count;
+ const ctx = this.ctx;
+ const glyph = this.processingType3;
+
+ if (glyph) {
+ if (glyph.compiled === undefined) {
+ glyph.compiled = compileType3Glyph(img);
}
- this.save();
- var ctx = this.ctx;
- ctx.scale(1 / w, -1 / h);
- ctx.drawImage(domImage, 0, 0, domImage.width, domImage.height, 0, -h, w, h);
- if (this.imageLayer) {
- var currentTransform = ctx.mozCurrentTransformInverse;
- var position = this.getCanvasPosition(0, 0);
- this.imageLayer.appendImage({
- objId: objId,
- left: position[0],
- top: position[1],
- width: w / currentTransform[0],
- height: h / currentTransform[3]
- });
- }
- this.restore();
- },
- paintImageMaskXObject: function CanvasGraphics_paintImageMaskXObject(img) {
- var ctx = this.ctx;
- var width = img.width,
- height = img.height;
- var fillColor = this.current.fillColor;
- var isPatternFill = this.current.patternFill;
- var glyph = this.processingType3;
- if (COMPILE_TYPE3_GLYPHS && glyph && glyph.compiled === undefined) {
- if (width <= MAX_SIZE_TO_COMPILE && height <= MAX_SIZE_TO_COMPILE) {
- glyph.compiled = compileType3Glyph({
- data: img.data,
- width: width,
- height: height
- });
- } else {
- glyph.compiled = null;
- }
- }
- if (glyph && glyph.compiled) {
+
+ if (glyph.compiled) {
glyph.compiled(ctx);
return;
}
- var maskCanvas = this.cachedCanvases.getCanvas('maskCanvas', width, height);
- var maskCtx = maskCanvas.context;
+ }
+
+ const mask = this._createMaskCanvas(img);
+
+ const maskCanvas = mask.canvas;
+ ctx.save();
+ ctx.setTransform(1, 0, 0, 1, 0, 0);
+ ctx.drawImage(maskCanvas, mask.offsetX, mask.offsetY);
+ ctx.restore();
+ this.compose();
+ }
+
+ paintImageMaskXObjectRepeat(img, scaleX, skewX = 0, skewY = 0, scaleY, positions) {
+ if (!this.contentVisible) {
+ return;
+ }
+
+ img = this.getObject(img.data, img);
+ const ctx = this.ctx;
+ ctx.save();
+ const currentTransform = (0, _display_utils.getCurrentTransform)(ctx);
+ ctx.transform(scaleX, skewX, skewY, scaleY, 0, 0);
+
+ const mask = this._createMaskCanvas(img);
+
+ ctx.setTransform(1, 0, 0, 1, 0, 0);
+
+ for (let i = 0, ii = positions.length; i < ii; i += 2) {
+ const trans = _util.Util.transform(currentTransform, [scaleX, skewX, skewY, scaleY, positions[i], positions[i + 1]]);
+
+ const [x, y] = _util.Util.applyTransform([0, 0], trans);
+
+ ctx.drawImage(mask.canvas, x, y);
+ }
+
+ ctx.restore();
+ this.compose();
+ }
+
+ paintImageMaskXObjectGroup(images) {
+ if (!this.contentVisible) {
+ return;
+ }
+
+ const ctx = this.ctx;
+ const fillColor = this.current.fillColor;
+ const isPatternFill = this.current.patternFill;
+
+ for (const image of images) {
+ const {
+ data,
+ width,
+ height,
+ transform
+ } = image;
+ const maskCanvas = this.cachedCanvases.getCanvas("maskCanvas", width, height);
+ const maskCtx = maskCanvas.context;
maskCtx.save();
+ const img = this.getObject(data, image);
putBinaryImageMask(maskCtx, img);
- maskCtx.globalCompositeOperation = 'source-in';
- maskCtx.fillStyle = isPatternFill ? fillColor.getPattern(maskCtx, this) : fillColor;
+ maskCtx.globalCompositeOperation = "source-in";
+ maskCtx.fillStyle = isPatternFill ? fillColor.getPattern(maskCtx, this, (0, _display_utils.getCurrentTransformInverse)(ctx), _pattern_helper.PathType.FILL) : fillColor;
maskCtx.fillRect(0, 0, width, height);
maskCtx.restore();
- this.paintInlineImageXObject(maskCanvas.canvas);
- },
- paintImageMaskXObjectRepeat: function CanvasGraphics_paintImageMaskXObjectRepeat(imgData, scaleX, scaleY, positions) {
- var width = imgData.width;
- var height = imgData.height;
- var fillColor = this.current.fillColor;
- var isPatternFill = this.current.patternFill;
- var maskCanvas = this.cachedCanvases.getCanvas('maskCanvas', width, height);
- var maskCtx = maskCanvas.context;
- maskCtx.save();
- putBinaryImageMask(maskCtx, imgData);
- maskCtx.globalCompositeOperation = 'source-in';
- maskCtx.fillStyle = isPatternFill ? fillColor.getPattern(maskCtx, this) : fillColor;
- maskCtx.fillRect(0, 0, width, height);
- maskCtx.restore();
- var ctx = this.ctx;
- for (var i = 0, ii = positions.length; i < ii; i += 2) {
- ctx.save();
- ctx.transform(scaleX, 0, 0, scaleY, positions[i], positions[i + 1]);
- ctx.scale(1, -1);
- ctx.drawImage(maskCanvas.canvas, 0, 0, width, height, 0, -1, 1, 1);
- ctx.restore();
- }
- },
- paintImageMaskXObjectGroup: function CanvasGraphics_paintImageMaskXObjectGroup(images) {
- var ctx = this.ctx;
- var fillColor = this.current.fillColor;
- var isPatternFill = this.current.patternFill;
- for (var i = 0, ii = images.length; i < ii; i++) {
- var image = images[i];
- var width = image.width,
- height = image.height;
- var maskCanvas = this.cachedCanvases.getCanvas('maskCanvas', width, height);
- var maskCtx = maskCanvas.context;
- maskCtx.save();
- putBinaryImageMask(maskCtx, image);
- maskCtx.globalCompositeOperation = 'source-in';
- maskCtx.fillStyle = isPatternFill ? fillColor.getPattern(maskCtx, this) : fillColor;
- maskCtx.fillRect(0, 0, width, height);
- maskCtx.restore();
- ctx.save();
- ctx.transform.apply(ctx, image.transform);
- ctx.scale(1, -1);
- ctx.drawImage(maskCanvas.canvas, 0, 0, width, height, 0, -1, 1, 1);
- ctx.restore();
- }
- },
- paintImageXObject: function CanvasGraphics_paintImageXObject(objId) {
- var imgData = this.objs.get(objId);
- if (!imgData) {
- (0, _util.warn)('Dependent image isn\'t ready yet');
- return;
- }
- this.paintInlineImageXObject(imgData);
- },
- paintImageXObjectRepeat: function CanvasGraphics_paintImageXObjectRepeat(objId, scaleX, scaleY, positions) {
- var imgData = this.objs.get(objId);
- if (!imgData) {
- (0, _util.warn)('Dependent image isn\'t ready yet');
- return;
- }
- var width = imgData.width;
- var height = imgData.height;
- var map = [];
- for (var i = 0, ii = positions.length; i < ii; i += 2) {
- map.push({
- transform: [scaleX, 0, 0, scaleY, positions[i], positions[i + 1]],
- x: 0,
- y: 0,
- w: width,
- h: height
- });
- }
- this.paintInlineImageXObjectGroup(imgData, map);
- },
- paintInlineImageXObject: function CanvasGraphics_paintInlineImageXObject(imgData) {
- var width = imgData.width;
- var height = imgData.height;
- var ctx = this.ctx;
- this.save();
- ctx.scale(1 / width, -1 / height);
- var currentTransform = ctx.mozCurrentTransformInverse;
- var a = currentTransform[0],
- b = currentTransform[1];
- var widthScale = Math.max(Math.sqrt(a * a + b * b), 1);
- var c = currentTransform[2],
- d = currentTransform[3];
- var heightScale = Math.max(Math.sqrt(c * c + d * d), 1);
- var imgToPaint, tmpCanvas;
- if (imgData instanceof HTMLElement || !imgData.data) {
- imgToPaint = imgData;
- } else {
- tmpCanvas = this.cachedCanvases.getCanvas('inlineImage', width, height);
- var tmpCtx = tmpCanvas.context;
- putBinaryImageData(tmpCtx, imgData);
- imgToPaint = tmpCanvas.canvas;
- }
- var paintWidth = width,
- paintHeight = height;
- var tmpCanvasId = 'prescale1';
- while (widthScale > 2 && paintWidth > 1 || heightScale > 2 && paintHeight > 1) {
- var newWidth = paintWidth,
- newHeight = paintHeight;
- if (widthScale > 2 && paintWidth > 1) {
- newWidth = Math.ceil(paintWidth / 2);
- widthScale /= paintWidth / newWidth;
- }
- if (heightScale > 2 && paintHeight > 1) {
- newHeight = Math.ceil(paintHeight / 2);
- heightScale /= paintHeight / newHeight;
- }
- tmpCanvas = this.cachedCanvases.getCanvas(tmpCanvasId, newWidth, newHeight);
- tmpCtx = tmpCanvas.context;
- tmpCtx.clearRect(0, 0, newWidth, newHeight);
- tmpCtx.drawImage(imgToPaint, 0, 0, paintWidth, paintHeight, 0, 0, newWidth, newHeight);
- imgToPaint = tmpCanvas.canvas;
- paintWidth = newWidth;
- paintHeight = newHeight;
- tmpCanvasId = tmpCanvasId === 'prescale1' ? 'prescale2' : 'prescale1';
- }
- ctx.drawImage(imgToPaint, 0, 0, paintWidth, paintHeight, 0, -height, width, height);
+ ctx.save();
+ ctx.transform(...transform);
+ ctx.scale(1, -1);
+ drawImageAtIntegerCoords(ctx, maskCanvas.canvas, 0, 0, width, height, 0, -1, 1, 1);
+ ctx.restore();
+ }
+
+ this.compose();
+ }
+
+ paintImageXObject(objId) {
+ if (!this.contentVisible) {
+ return;
+ }
+
+ const imgData = this.getObject(objId);
+
+ if (!imgData) {
+ (0, _util.warn)("Dependent image isn't ready yet");
+ return;
+ }
+
+ this.paintInlineImageXObject(imgData);
+ }
+
+ paintImageXObjectRepeat(objId, scaleX, scaleY, positions) {
+ if (!this.contentVisible) {
+ return;
+ }
+
+ const imgData = this.getObject(objId);
+
+ if (!imgData) {
+ (0, _util.warn)("Dependent image isn't ready yet");
+ return;
+ }
+
+ const width = imgData.width;
+ const height = imgData.height;
+ const map = [];
+
+ for (let i = 0, ii = positions.length; i < ii; i += 2) {
+ map.push({
+ transform: [scaleX, 0, 0, scaleY, positions[i], positions[i + 1]],
+ x: 0,
+ y: 0,
+ w: width,
+ h: height
+ });
+ }
+
+ this.paintInlineImageXObjectGroup(imgData, map);
+ }
+
+ paintInlineImageXObject(imgData) {
+ if (!this.contentVisible) {
+ return;
+ }
+
+ const width = imgData.width;
+ const height = imgData.height;
+ const ctx = this.ctx;
+ this.save();
+ ctx.scale(1 / width, -1 / height);
+ let imgToPaint;
+
+ if (typeof HTMLElement === "function" && imgData instanceof HTMLElement || !imgData.data) {
+ imgToPaint = imgData;
+ } else {
+ const tmpCanvas = this.cachedCanvases.getCanvas("inlineImage", width, height);
+ const tmpCtx = tmpCanvas.context;
+ putBinaryImageData(tmpCtx, imgData, this.current.transferMaps);
+ imgToPaint = tmpCanvas.canvas;
+ }
+
+ const scaled = this._scaleImage(imgToPaint, (0, _display_utils.getCurrentTransformInverse)(ctx));
+
+ ctx.imageSmoothingEnabled = getImageSmoothingEnabled((0, _display_utils.getCurrentTransform)(ctx), imgData.interpolate);
+ const [rWidth, rHeight] = drawImageAtIntegerCoords(ctx, scaled.img, 0, 0, scaled.paintWidth, scaled.paintHeight, 0, -height, width, height);
+
+ if (this.imageLayer) {
+ const [left, top] = _util.Util.applyTransform([0, -height], (0, _display_utils.getCurrentTransform)(this.ctx));
+
+ this.imageLayer.appendImage({
+ imgData,
+ left,
+ top,
+ width: rWidth,
+ height: rHeight
+ });
+ }
+
+ this.compose();
+ this.restore();
+ }
+
+ paintInlineImageXObjectGroup(imgData, map) {
+ if (!this.contentVisible) {
+ return;
+ }
+
+ const ctx = this.ctx;
+ const w = imgData.width;
+ const h = imgData.height;
+ const tmpCanvas = this.cachedCanvases.getCanvas("inlineImage", w, h);
+ const tmpCtx = tmpCanvas.context;
+ putBinaryImageData(tmpCtx, imgData, this.current.transferMaps);
+
+ for (const entry of map) {
+ ctx.save();
+ ctx.transform(...entry.transform);
+ ctx.scale(1, -1);
+ drawImageAtIntegerCoords(ctx, tmpCanvas.canvas, entry.x, entry.y, entry.w, entry.h, 0, -1, 1, 1);
+
if (this.imageLayer) {
- var position = this.getCanvasPosition(0, -height);
+ const [left, top] = _util.Util.applyTransform([entry.x, entry.y], (0, _display_utils.getCurrentTransform)(this.ctx));
+
this.imageLayer.appendImage({
- imgData: imgData,
- left: position[0],
- top: position[1],
- width: width / currentTransform[0],
- height: height / currentTransform[3]
+ imgData,
+ left,
+ top,
+ width: w,
+ height: h
});
}
- this.restore();
- },
- paintInlineImageXObjectGroup: function CanvasGraphics_paintInlineImageXObjectGroup(imgData, map) {
- var ctx = this.ctx;
- var w = imgData.width;
- var h = imgData.height;
- var tmpCanvas = this.cachedCanvases.getCanvas('inlineImage', w, h);
- var tmpCtx = tmpCanvas.context;
- putBinaryImageData(tmpCtx, imgData);
- for (var i = 0, ii = map.length; i < ii; i++) {
- var entry = map[i];
- ctx.save();
- ctx.transform.apply(ctx, entry.transform);
- ctx.scale(1, -1);
- ctx.drawImage(tmpCanvas.canvas, entry.x, entry.y, entry.w, entry.h, 0, -1, 1, 1);
- if (this.imageLayer) {
- var position = this.getCanvasPosition(entry.x, entry.y);
- this.imageLayer.appendImage({
- imgData: imgData,
- left: position[0],
- top: position[1],
- width: w,
- height: h
- });
- }
- ctx.restore();
- }
- },
- paintSolidColorImageMask: function CanvasGraphics_paintSolidColorImageMask() {
- this.ctx.fillRect(0, 0, 1, 1);
- },
- paintXObject: function CanvasGraphics_paintXObject() {
- (0, _util.warn)('Unsupported \'paintXObject\' command.');
- },
- markPoint: function CanvasGraphics_markPoint(tag) {},
- markPointProps: function CanvasGraphics_markPointProps(tag, properties) {},
- beginMarkedContent: function CanvasGraphics_beginMarkedContent(tag) {},
- beginMarkedContentProps: function CanvasGraphics_beginMarkedContentProps(tag, properties) {},
- endMarkedContent: function CanvasGraphics_endMarkedContent() {},
- beginCompat: function CanvasGraphics_beginCompat() {},
- endCompat: function CanvasGraphics_endCompat() {},
- consumePath: function CanvasGraphics_consumePath() {
- var ctx = this.ctx;
- if (this.pendingClip) {
+
+ ctx.restore();
+ }
+
+ this.compose();
+ }
+
+ paintSolidColorImageMask() {
+ if (!this.contentVisible) {
+ return;
+ }
+
+ this.ctx.fillRect(0, 0, 1, 1);
+ this.compose();
+ }
+
+ markPoint(tag) {}
+
+ markPointProps(tag, properties) {}
+
+ beginMarkedContent(tag) {
+ this.markedContentStack.push({
+ visible: true
+ });
+ }
+
+ beginMarkedContentProps(tag, properties) {
+ if (tag === "OC") {
+ this.markedContentStack.push({
+ visible: this.optionalContentConfig.isVisible(properties)
+ });
+ } else {
+ this.markedContentStack.push({
+ visible: true
+ });
+ }
+
+ this.contentVisible = this.isContentVisible();
+ }
+
+ endMarkedContent() {
+ this.markedContentStack.pop();
+ this.contentVisible = this.isContentVisible();
+ }
+
+ beginCompat() {}
+
+ endCompat() {}
+
+ consumePath(clipBox) {
+ const isEmpty = this.current.isEmptyClip();
+
+ if (this.pendingClip) {
+ this.current.updateClipFromPath();
+ }
+
+ if (!this.pendingClip) {
+ this.compose(clipBox);
+ }
+
+ const ctx = this.ctx;
+
+ if (this.pendingClip) {
+ if (!isEmpty) {
if (this.pendingClip === EO_CLIP) {
- ctx.clip('evenodd');
+ ctx.clip("evenodd");
} else {
ctx.clip();
}
- this.pendingClip = null;
}
- ctx.beginPath();
- },
- getSinglePixelWidth: function CanvasGraphics_getSinglePixelWidth(scale) {
- if (this.cachedGetSinglePixelWidth === null) {
- this.ctx.save();
- var inverse = this.ctx.mozCurrentTransformInverse;
- this.ctx.restore();
- this.cachedGetSinglePixelWidth = Math.sqrt(Math.max(inverse[0] * inverse[0] + inverse[1] * inverse[1], inverse[2] * inverse[2] + inverse[3] * inverse[3]));
- }
- return this.cachedGetSinglePixelWidth;
- },
- getCanvasPosition: function CanvasGraphics_getCanvasPosition(x, y) {
- var transform = this.ctx.mozCurrentTransform;
- return [transform[0] * x + transform[2] * y + transform[4], transform[1] * x + transform[3] * y + transform[5]];
+
+ this.pendingClip = null;
}
- };
- for (var op in _util.OPS) {
- CanvasGraphics.prototype[_util.OPS[op]] = CanvasGraphics.prototype[op];
+
+ this.current.startNewPathAndClipBox(this.current.clipBox);
+ ctx.beginPath();
}
- return CanvasGraphics;
-}();
-exports.CanvasGraphics = CanvasGraphics;
-/***/ }),
-/* 12 */
-/***/ (function(module, exports, __w_pdfjs_require__) {
+ getSinglePixelWidth() {
+ if (!this._cachedGetSinglePixelWidth) {
+ const m = (0, _display_utils.getCurrentTransform)(this.ctx);
-"use strict";
-
-
-Object.defineProperty(exports, "__esModule", {
- value: true
-});
-exports.FontLoader = exports.FontFaceObject = undefined;
-
-var _util = __w_pdfjs_require__(0);
-
-function FontLoader(docId) {
- this.docId = docId;
- this.styleElement = null;
- this.nativeFontFaces = [];
- this.loadTestFontId = 0;
- this.loadingContext = {
- requests: [],
- nextRequestId: 0
- };
-}
-FontLoader.prototype = {
- insertRule: function fontLoaderInsertRule(rule) {
- var styleElement = this.styleElement;
- if (!styleElement) {
- styleElement = this.styleElement = document.createElement('style');
- styleElement.id = 'PDFJS_FONT_STYLE_TAG_' + this.docId;
- document.documentElement.getElementsByTagName('head')[0].appendChild(styleElement);
- }
- var styleSheet = styleElement.sheet;
- styleSheet.insertRule(rule, styleSheet.cssRules.length);
- },
- clear: function fontLoaderClear() {
- if (this.styleElement) {
- this.styleElement.remove();
- this.styleElement = null;
- }
- this.nativeFontFaces.forEach(function (nativeFontFace) {
- document.fonts.delete(nativeFontFace);
- });
- this.nativeFontFaces.length = 0;
- }
-};
-{
- var getLoadTestFont = function getLoadTestFont() {
- return atob('T1RUTwALAIAAAwAwQ0ZGIDHtZg4AAAOYAAAAgUZGVE1lkzZwAAAEHAAAABxHREVGABQAFQ' + 'AABDgAAAAeT1MvMlYNYwkAAAEgAAAAYGNtYXABDQLUAAACNAAAAUJoZWFk/xVFDQAAALwA' + 'AAA2aGhlYQdkA+oAAAD0AAAAJGhtdHgD6AAAAAAEWAAAAAZtYXhwAAJQAAAAARgAAAAGbm' + 'FtZVjmdH4AAAGAAAAAsXBvc3T/hgAzAAADeAAAACAAAQAAAAEAALZRFsRfDzz1AAsD6AAA' + 'AADOBOTLAAAAAM4KHDwAAAAAA+gDIQAAAAgAAgAAAAAAAAABAAADIQAAAFoD6AAAAAAD6A' + 'ABAAAAAAAAAAAAAAAAAAAAAQAAUAAAAgAAAAQD6AH0AAUAAAKKArwAAACMAooCvAAAAeAA' + 'MQECAAACAAYJAAAAAAAAAAAAAQAAAAAAAAAAAAAAAFBmRWQAwAAuAC4DIP84AFoDIQAAAA' + 'AAAQAAAAAAAAAAACAAIAABAAAADgCuAAEAAAAAAAAAAQAAAAEAAAAAAAEAAQAAAAEAAAAA' + 'AAIAAQAAAAEAAAAAAAMAAQAAAAEAAAAAAAQAAQAAAAEAAAAAAAUAAQAAAAEAAAAAAAYAAQ' + 'AAAAMAAQQJAAAAAgABAAMAAQQJAAEAAgABAAMAAQQJAAIAAgABAAMAAQQJAAMAAgABAAMA' + 'AQQJAAQAAgABAAMAAQQJAAUAAgABAAMAAQQJAAYAAgABWABYAAAAAAAAAwAAAAMAAAAcAA' + 'EAAAAAADwAAwABAAAAHAAEACAAAAAEAAQAAQAAAC7//wAAAC7////TAAEAAAAAAAABBgAA' + 'AQAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAEAAAAAAA' + 'AAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAA' + 'AAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAA' + 'AAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAA' + 'AAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAMAAA' + 'AAAAD/gwAyAAAAAQAAAAAAAAAAAAAAAAAAAAABAAQEAAEBAQJYAAEBASH4DwD4GwHEAvgc' + 'A/gXBIwMAYuL+nz5tQXkD5j3CBLnEQACAQEBIVhYWFhYWFhYWFhYWFhYWFhYWFhYWFhYWF' + 'hYWFhYWFhYAAABAQAADwACAQEEE/t3Dov6fAH6fAT+fPp8+nwHDosMCvm1Cvm1DAz6fBQA' + 'AAAAAAABAAAAAMmJbzEAAAAAzgTjFQAAAADOBOQpAAEAAAAAAAAADAAUAAQAAAABAAAAAg' + 'ABAAAAAAAAAAAD6AAAAAAAAA==');
- };
- Object.defineProperty(FontLoader.prototype, 'loadTestFont', {
- get: function get() {
- return (0, _util.shadow)(this, 'loadTestFont', getLoadTestFont());
- },
-
- configurable: true
- });
- FontLoader.prototype.addNativeFontFace = function fontLoader_addNativeFontFace(nativeFontFace) {
- this.nativeFontFaces.push(nativeFontFace);
- document.fonts.add(nativeFontFace);
- };
- FontLoader.prototype.bind = function fontLoaderBind(fonts, callback) {
- var rules = [];
- var fontsToLoad = [];
- var fontLoadPromises = [];
- var getNativeFontPromise = function getNativeFontPromise(nativeFontFace) {
- return nativeFontFace.loaded.catch(function (e) {
- (0, _util.warn)('Failed to load font "' + nativeFontFace.family + '": ' + e);
- });
- };
- var isFontLoadingAPISupported = FontLoader.isFontLoadingAPISupported && !FontLoader.isSyncFontLoadingSupported;
- for (var i = 0, ii = fonts.length; i < ii; i++) {
- var font = fonts[i];
- if (font.attached || font.loading === false) {
- continue;
+ if (m[1] === 0 && m[2] === 0) {
+ this._cachedGetSinglePixelWidth = 1 / Math.min(Math.abs(m[0]), Math.abs(m[3]));
+ } else {
+ const absDet = Math.abs(m[0] * m[3] - m[2] * m[1]);
+ const normX = Math.hypot(m[0], m[2]);
+ const normY = Math.hypot(m[1], m[3]);
+ this._cachedGetSinglePixelWidth = Math.max(normX, normY) / absDet;
}
- font.attached = true;
- if (isFontLoadingAPISupported) {
- var nativeFontFace = font.createNativeFontFace();
- if (nativeFontFace) {
- this.addNativeFontFace(nativeFontFace);
- fontLoadPromises.push(getNativeFontPromise(nativeFontFace));
+ }
+
+ return this._cachedGetSinglePixelWidth;
+ }
+
+ getScaleForStroking() {
+ if (!this._cachedScaleForStroking) {
+ const {
+ lineWidth
+ } = this.current;
+ const m = (0, _display_utils.getCurrentTransform)(this.ctx);
+ let scaleX, scaleY;
+
+ if (m[1] === 0 && m[2] === 0) {
+ const normX = Math.abs(m[0]);
+ const normY = Math.abs(m[3]);
+
+ if (lineWidth === 0) {
+ scaleX = 1 / normX;
+ scaleY = 1 / normY;
+ } else {
+ const scaledXLineWidth = normX * lineWidth;
+ const scaledYLineWidth = normY * lineWidth;
+ scaleX = scaledXLineWidth < 1 ? 1 / scaledXLineWidth : 1;
+ scaleY = scaledYLineWidth < 1 ? 1 / scaledYLineWidth : 1;
}
} else {
- var rule = font.createFontFaceRule();
- if (rule) {
- this.insertRule(rule);
- rules.push(rule);
- fontsToLoad.push(font);
- }
- }
- }
- var request = this.queueLoadingCallback(callback);
- if (isFontLoadingAPISupported) {
- Promise.all(fontLoadPromises).then(function () {
- request.complete();
- });
- } else if (rules.length > 0 && !FontLoader.isSyncFontLoadingSupported) {
- this.prepareFontLoadEvent(rules, fontsToLoad, request);
- } else {
- request.complete();
- }
- };
- FontLoader.prototype.queueLoadingCallback = function FontLoader_queueLoadingCallback(callback) {
- function LoadLoader_completeRequest() {
- (0, _util.assert)(!request.end, 'completeRequest() cannot be called twice');
- request.end = Date.now();
- while (context.requests.length > 0 && context.requests[0].end) {
- var otherRequest = context.requests.shift();
- setTimeout(otherRequest.callback, 0);
- }
- }
- var context = this.loadingContext;
- var requestId = 'pdfjs-font-loading-' + context.nextRequestId++;
- var request = {
- id: requestId,
- complete: LoadLoader_completeRequest,
- callback: callback,
- started: Date.now()
- };
- context.requests.push(request);
- return request;
- };
- FontLoader.prototype.prepareFontLoadEvent = function fontLoaderPrepareFontLoadEvent(rules, fonts, request) {
- function int32(data, offset) {
- return data.charCodeAt(offset) << 24 | data.charCodeAt(offset + 1) << 16 | data.charCodeAt(offset + 2) << 8 | data.charCodeAt(offset + 3) & 0xff;
- }
- function spliceString(s, offset, remove, insert) {
- var chunk1 = s.substr(0, offset);
- var chunk2 = s.substr(offset + remove);
- return chunk1 + insert + chunk2;
- }
- var i, ii;
- var canvas = document.createElement('canvas');
- canvas.width = 1;
- canvas.height = 1;
- var ctx = canvas.getContext('2d');
- var called = 0;
- function isFontReady(name, callback) {
- called++;
- if (called > 30) {
- (0, _util.warn)('Load test font never loaded.');
- callback();
- return;
- }
- ctx.font = '30px ' + name;
- ctx.fillText('.', 0, 20);
- var imageData = ctx.getImageData(0, 0, 1, 1);
- if (imageData.data[3] > 0) {
- callback();
- return;
- }
- setTimeout(isFontReady.bind(null, name, callback));
- }
- var loadTestFontId = 'lt' + Date.now() + this.loadTestFontId++;
- var data = this.loadTestFont;
- var COMMENT_OFFSET = 976;
- data = spliceString(data, COMMENT_OFFSET, loadTestFontId.length, loadTestFontId);
- var CFF_CHECKSUM_OFFSET = 16;
- var XXXX_VALUE = 0x58585858;
- var checksum = int32(data, CFF_CHECKSUM_OFFSET);
- for (i = 0, ii = loadTestFontId.length - 3; i < ii; i += 4) {
- checksum = checksum - XXXX_VALUE + int32(loadTestFontId, i) | 0;
- }
- if (i < loadTestFontId.length) {
- checksum = checksum - XXXX_VALUE + int32(loadTestFontId + 'XXX', i) | 0;
- }
- data = spliceString(data, CFF_CHECKSUM_OFFSET, 4, (0, _util.string32)(checksum));
- var url = 'url(data:font/opentype;base64,' + btoa(data) + ');';
- var rule = '@font-face { font-family:"' + loadTestFontId + '";src:' + url + '}';
- this.insertRule(rule);
- var names = [];
- for (i = 0, ii = fonts.length; i < ii; i++) {
- names.push(fonts[i].loadedName);
- }
- names.push(loadTestFontId);
- var div = document.createElement('div');
- div.setAttribute('style', 'visibility: hidden;' + 'width: 10px; height: 10px;' + 'position: absolute; top: 0px; left: 0px;');
- for (i = 0, ii = names.length; i < ii; ++i) {
- var span = document.createElement('span');
- span.textContent = 'Hi';
- span.style.fontFamily = names[i];
- div.appendChild(span);
- }
- document.body.appendChild(div);
- isFontReady(loadTestFontId, function () {
- document.body.removeChild(div);
- request.complete();
- });
- };
-}
-{
- FontLoader.isFontLoadingAPISupported = typeof document !== 'undefined' && !!document.fonts;
-}
-{
- var isSyncFontLoadingSupported = function isSyncFontLoadingSupported() {
- if (typeof navigator === 'undefined') {
- return true;
- }
- var supported = false;
- var m = /Mozilla\/5.0.*?rv:(\d+).*? Gecko/.exec(navigator.userAgent);
- if (m && m[1] >= 14) {
- supported = true;
- }
- return supported;
- };
- Object.defineProperty(FontLoader, 'isSyncFontLoadingSupported', {
- get: function get() {
- return (0, _util.shadow)(FontLoader, 'isSyncFontLoadingSupported', isSyncFontLoadingSupported());
- },
+ const absDet = Math.abs(m[0] * m[3] - m[2] * m[1]);
+ const normX = Math.hypot(m[0], m[1]);
+ const normY = Math.hypot(m[2], m[3]);
- enumerable: true,
- configurable: true
- });
-}
-var IsEvalSupportedCached = {
- get value() {
- return (0, _util.shadow)(this, 'value', (0, _util.isEvalSupported)());
- }
-};
-var FontFaceObject = function FontFaceObjectClosure() {
- function FontFaceObject(translatedData, options) {
- this.compiledGlyphs = Object.create(null);
- for (var i in translatedData) {
- this[i] = translatedData[i];
- }
- this.options = options;
- }
- FontFaceObject.prototype = {
- createNativeFontFace: function FontFaceObject_createNativeFontFace() {
- if (!this.data) {
- return null;
- }
- if (this.options.disableFontFace) {
- this.disableFontFace = true;
- return null;
- }
- var nativeFontFace = new FontFace(this.loadedName, this.data, {});
- if (this.options.fontRegistry) {
- this.options.fontRegistry.registerFont(this);
- }
- return nativeFontFace;
- },
- createFontFaceRule: function FontFaceObject_createFontFaceRule() {
- if (!this.data) {
- return null;
- }
- if (this.options.disableFontFace) {
- this.disableFontFace = true;
- return null;
- }
- var data = (0, _util.bytesToString)(new Uint8Array(this.data));
- var fontName = this.loadedName;
- var url = 'url(data:' + this.mimetype + ';base64,' + btoa(data) + ');';
- var rule = '@font-face { font-family:"' + fontName + '";src:' + url + '}';
- if (this.options.fontRegistry) {
- this.options.fontRegistry.registerFont(this, url);
- }
- return rule;
- },
- getPathGenerator: function FontFaceObject_getPathGenerator(objs, character) {
- if (!(character in this.compiledGlyphs)) {
- var cmds = objs.get(this.loadedName + '_path_' + character);
- var current, i, len;
- if (this.options.isEvalSupported && IsEvalSupportedCached.value) {
- var args,
- js = '';
- for (i = 0, len = cmds.length; i < len; i++) {
- current = cmds[i];
- if (current.args !== undefined) {
- args = current.args.join(',');
- } else {
- args = '';
- }
- js += 'c.' + current.cmd + '(' + args + ');\n';
- }
- this.compiledGlyphs[character] = new Function('c', 'size', js);
+ if (lineWidth === 0) {
+ scaleX = normY / absDet;
+ scaleY = normX / absDet;
} else {
- this.compiledGlyphs[character] = function (c, size) {
- for (i = 0, len = cmds.length; i < len; i++) {
- current = cmds[i];
- if (current.cmd === 'scale') {
- current.args = [size, -size];
- }
- c[current.cmd].apply(c, current.args);
- }
- };
+ const baseArea = lineWidth * absDet;
+ scaleX = normY > baseArea ? normY / baseArea : 1;
+ scaleY = normX > baseArea ? normX / baseArea : 1;
}
}
- return this.compiledGlyphs[character];
+
+ this._cachedScaleForStroking = [scaleX, scaleY];
}
- };
- return FontFaceObject;
-}();
-exports.FontFaceObject = FontFaceObject;
-exports.FontLoader = FontLoader;
+
+ return this._cachedScaleForStroking;
+ }
+
+ rescaleAndStroke(saveRestore) {
+ const {
+ ctx
+ } = this;
+ const {
+ lineWidth
+ } = this.current;
+ const [scaleX, scaleY] = this.getScaleForStroking();
+ ctx.lineWidth = lineWidth || 1;
+
+ if (scaleX === 1 && scaleY === 1) {
+ ctx.stroke();
+ return;
+ }
+
+ let savedMatrix, savedDashes, savedDashOffset;
+
+ if (saveRestore) {
+ savedMatrix = (0, _display_utils.getCurrentTransform)(ctx);
+ savedDashes = ctx.getLineDash().slice();
+ savedDashOffset = ctx.lineDashOffset;
+ }
+
+ ctx.scale(scaleX, scaleY);
+ const scale = Math.max(scaleX, scaleY);
+ ctx.setLineDash(ctx.getLineDash().map(x => x / scale));
+ ctx.lineDashOffset /= scale;
+ ctx.stroke();
+
+ if (saveRestore) {
+ ctx.setTransform(...savedMatrix);
+ ctx.setLineDash(savedDashes);
+ ctx.lineDashOffset = savedDashOffset;
+ }
+ }
+
+ isContentVisible() {
+ for (let i = this.markedContentStack.length - 1; i >= 0; i--) {
+ if (!this.markedContentStack[i].visible) {
+ return false;
+ }
+ }
+
+ return true;
+ }
+
+}
+
+exports.CanvasGraphics = CanvasGraphics;
+
+for (const op in _util.OPS) {
+ if (CanvasGraphics.prototype[op] !== undefined) {
+ CanvasGraphics.prototype[_util.OPS[op]] = CanvasGraphics.prototype[op];
+ }
+}
/***/ }),
/* 13 */
-/***/ (function(module, exports, __w_pdfjs_require__) {
-
-"use strict";
+/***/ ((__unused_webpack_module, exports, __w_pdfjs_require__) => {
-Object.defineProperty(exports, "__esModule", {
+
+Object.defineProperty(exports, "__esModule", ({
value: true
-});
-exports.TilingPattern = exports.getShadingPatternFromIR = undefined;
+}));
+exports.TilingPattern = exports.PathType = void 0;
+exports.getShadingPattern = getShadingPattern;
-var _util = __w_pdfjs_require__(0);
+var _util = __w_pdfjs_require__(1);
-var _webgl = __w_pdfjs_require__(7);
+var _display_utils = __w_pdfjs_require__(8);
-var ShadingIRs = {};
-ShadingIRs.RadialAxial = {
- fromIR: function RadialAxial_fromIR(raw) {
- var type = raw[1];
- var colorStops = raw[2];
- var p0 = raw[3];
- var p1 = raw[4];
- var r0 = raw[5];
- var r1 = raw[6];
- return {
- type: 'Pattern',
- getPattern: function RadialAxial_getPattern(ctx) {
- var grad;
- if (type === 'axial') {
- grad = ctx.createLinearGradient(p0[0], p0[1], p1[0], p1[1]);
- } else if (type === 'radial') {
- grad = ctx.createRadialGradient(p0[0], p0[1], r0, p1[0], p1[1], r1);
- }
- for (var i = 0, ii = colorStops.length; i < ii; ++i) {
- var c = colorStops[i];
- grad.addColorStop(c[0], c[1]);
- }
- return grad;
- }
- };
- }
+var _is_node = __w_pdfjs_require__(3);
+
+const PathType = {
+ FILL: "Fill",
+ STROKE: "Stroke",
+ SHADING: "Shading"
};
-var createMeshCanvas = function createMeshCanvasClosure() {
- function drawTriangle(data, context, p1, p2, p3, c1, c2, c3) {
- var coords = context.coords,
+exports.PathType = PathType;
+
+function applyBoundingBox(ctx, bbox) {
+ if (!bbox || _is_node.isNodeJS) {
+ return;
+ }
+
+ const width = bbox[2] - bbox[0];
+ const height = bbox[3] - bbox[1];
+ const region = new Path2D();
+ region.rect(bbox[0], bbox[1], width, height);
+ ctx.clip(region);
+}
+
+class BaseShadingPattern {
+ constructor() {
+ if (this.constructor === BaseShadingPattern) {
+ (0, _util.unreachable)("Cannot initialize BaseShadingPattern.");
+ }
+ }
+
+ getPattern() {
+ (0, _util.unreachable)("Abstract method `getPattern` called.");
+ }
+
+}
+
+class RadialAxialShadingPattern extends BaseShadingPattern {
+ constructor(IR) {
+ super();
+ this._type = IR[1];
+ this._bbox = IR[2];
+ this._colorStops = IR[3];
+ this._p0 = IR[4];
+ this._p1 = IR[5];
+ this._r0 = IR[6];
+ this._r1 = IR[7];
+ this.matrix = null;
+ }
+
+ _createGradient(ctx) {
+ let grad;
+
+ if (this._type === "axial") {
+ grad = ctx.createLinearGradient(this._p0[0], this._p0[1], this._p1[0], this._p1[1]);
+ } else if (this._type === "radial") {
+ grad = ctx.createRadialGradient(this._p0[0], this._p0[1], this._r0, this._p1[0], this._p1[1], this._r1);
+ }
+
+ for (const colorStop of this._colorStops) {
+ grad.addColorStop(colorStop[0], colorStop[1]);
+ }
+
+ return grad;
+ }
+
+ getPattern(ctx, owner, inverse, pathType) {
+ let pattern;
+
+ if (pathType === PathType.STROKE || pathType === PathType.FILL) {
+ const ownerBBox = owner.current.getClippedPathBoundingBox(pathType, (0, _display_utils.getCurrentTransform)(ctx)) || [0, 0, 0, 0];
+ const width = Math.ceil(ownerBBox[2] - ownerBBox[0]) || 1;
+ const height = Math.ceil(ownerBBox[3] - ownerBBox[1]) || 1;
+ const tmpCanvas = owner.cachedCanvases.getCanvas("pattern", width, height, true);
+ const tmpCtx = tmpCanvas.context;
+ tmpCtx.clearRect(0, 0, tmpCtx.canvas.width, tmpCtx.canvas.height);
+ tmpCtx.beginPath();
+ tmpCtx.rect(0, 0, tmpCtx.canvas.width, tmpCtx.canvas.height);
+ tmpCtx.translate(-ownerBBox[0], -ownerBBox[1]);
+ inverse = _util.Util.transform(inverse, [1, 0, 0, 1, ownerBBox[0], ownerBBox[1]]);
+ tmpCtx.transform(...owner.baseTransform);
+
+ if (this.matrix) {
+ tmpCtx.transform(...this.matrix);
+ }
+
+ applyBoundingBox(tmpCtx, this._bbox);
+ tmpCtx.fillStyle = this._createGradient(tmpCtx);
+ tmpCtx.fill();
+ pattern = ctx.createPattern(tmpCanvas.canvas, "no-repeat");
+ const domMatrix = new DOMMatrix(inverse);
+
+ try {
+ pattern.setTransform(domMatrix);
+ } catch (ex) {
+ (0, _util.warn)(`RadialAxialShadingPattern.getPattern: "${ex?.message}".`);
+ }
+ } else {
+ applyBoundingBox(ctx, this._bbox);
+ pattern = this._createGradient(ctx);
+ }
+
+ return pattern;
+ }
+
+}
+
+function drawTriangle(data, context, p1, p2, p3, c1, c2, c3) {
+ const coords = context.coords,
colors = context.colors;
- var bytes = data.data,
+ const bytes = data.data,
rowSize = data.width * 4;
- var tmp;
- if (coords[p1 + 1] > coords[p2 + 1]) {
- tmp = p1;
- p1 = p2;
- p2 = tmp;
- tmp = c1;
- c1 = c2;
- c2 = tmp;
- }
- if (coords[p2 + 1] > coords[p3 + 1]) {
- tmp = p2;
- p2 = p3;
- p3 = tmp;
- tmp = c2;
- c2 = c3;
- c3 = tmp;
- }
- if (coords[p1 + 1] > coords[p2 + 1]) {
- tmp = p1;
- p1 = p2;
- p2 = tmp;
- tmp = c1;
- c1 = c2;
- c2 = tmp;
- }
- var x1 = (coords[p1] + context.offsetX) * context.scaleX;
- var y1 = (coords[p1 + 1] + context.offsetY) * context.scaleY;
- var x2 = (coords[p2] + context.offsetX) * context.scaleX;
- var y2 = (coords[p2 + 1] + context.offsetY) * context.scaleY;
- var x3 = (coords[p3] + context.offsetX) * context.scaleX;
- var y3 = (coords[p3 + 1] + context.offsetY) * context.scaleY;
- if (y1 >= y3) {
- return;
- }
- var c1r = colors[c1],
+ let tmp;
+
+ if (coords[p1 + 1] > coords[p2 + 1]) {
+ tmp = p1;
+ p1 = p2;
+ p2 = tmp;
+ tmp = c1;
+ c1 = c2;
+ c2 = tmp;
+ }
+
+ if (coords[p2 + 1] > coords[p3 + 1]) {
+ tmp = p2;
+ p2 = p3;
+ p3 = tmp;
+ tmp = c2;
+ c2 = c3;
+ c3 = tmp;
+ }
+
+ if (coords[p1 + 1] > coords[p2 + 1]) {
+ tmp = p1;
+ p1 = p2;
+ p2 = tmp;
+ tmp = c1;
+ c1 = c2;
+ c2 = tmp;
+ }
+
+ const x1 = (coords[p1] + context.offsetX) * context.scaleX;
+ const y1 = (coords[p1 + 1] + context.offsetY) * context.scaleY;
+ const x2 = (coords[p2] + context.offsetX) * context.scaleX;
+ const y2 = (coords[p2 + 1] + context.offsetY) * context.scaleY;
+ const x3 = (coords[p3] + context.offsetX) * context.scaleX;
+ const y3 = (coords[p3 + 1] + context.offsetY) * context.scaleY;
+
+ if (y1 >= y3) {
+ return;
+ }
+
+ const c1r = colors[c1],
c1g = colors[c1 + 1],
c1b = colors[c1 + 2];
- var c2r = colors[c2],
+ const c2r = colors[c2],
c2g = colors[c2 + 1],
c2b = colors[c2 + 2];
- var c3r = colors[c3],
+ const c3r = colors[c3],
c3g = colors[c3 + 1],
c3b = colors[c3 + 2];
- var minY = Math.round(y1),
+ const minY = Math.round(y1),
maxY = Math.round(y3);
- var xa, car, cag, cab;
- var xb, cbr, cbg, cbb;
- var k;
- for (var y = minY; y <= maxY; y++) {
- if (y < y2) {
- k = y < y1 ? 0 : y1 === y2 ? 1 : (y1 - y) / (y1 - y2);
- xa = x1 - (x1 - x2) * k;
- car = c1r - (c1r - c2r) * k;
- cag = c1g - (c1g - c2g) * k;
- cab = c1b - (c1b - c2b) * k;
+ let xa, car, cag, cab;
+ let xb, cbr, cbg, cbb;
+
+ for (let y = minY; y <= maxY; y++) {
+ if (y < y2) {
+ let k;
+
+ if (y < y1) {
+ k = 0;
} else {
- k = y > y3 ? 1 : y2 === y3 ? 0 : (y2 - y) / (y2 - y3);
- xa = x2 - (x2 - x3) * k;
- car = c2r - (c2r - c3r) * k;
- cag = c2g - (c2g - c3g) * k;
- cab = c2b - (c2b - c3b) * k;
+ k = (y1 - y) / (y1 - y2);
}
- k = y < y1 ? 0 : y > y3 ? 1 : (y1 - y) / (y1 - y3);
- xb = x1 - (x1 - x3) * k;
- cbr = c1r - (c1r - c3r) * k;
- cbg = c1g - (c1g - c3g) * k;
- cbb = c1b - (c1b - c3b) * k;
- var x1_ = Math.round(Math.min(xa, xb));
- var x2_ = Math.round(Math.max(xa, xb));
- var j = rowSize * y + x1_ * 4;
- for (var x = x1_; x <= x2_; x++) {
- k = (xa - x) / (xa - xb);
- k = k < 0 ? 0 : k > 1 ? 1 : k;
- bytes[j++] = car - (car - cbr) * k | 0;
- bytes[j++] = cag - (cag - cbg) * k | 0;
- bytes[j++] = cab - (cab - cbb) * k | 0;
- bytes[j++] = 255;
+
+ xa = x1 - (x1 - x2) * k;
+ car = c1r - (c1r - c2r) * k;
+ cag = c1g - (c1g - c2g) * k;
+ cab = c1b - (c1b - c2b) * k;
+ } else {
+ let k;
+
+ if (y > y3) {
+ k = 1;
+ } else if (y2 === y3) {
+ k = 0;
+ } else {
+ k = (y2 - y) / (y2 - y3);
}
+
+ xa = x2 - (x2 - x3) * k;
+ car = c2r - (c2r - c3r) * k;
+ cag = c2g - (c2g - c3g) * k;
+ cab = c2b - (c2b - c3b) * k;
+ }
+
+ let k;
+
+ if (y < y1) {
+ k = 0;
+ } else if (y > y3) {
+ k = 1;
+ } else {
+ k = (y1 - y) / (y1 - y3);
+ }
+
+ xb = x1 - (x1 - x3) * k;
+ cbr = c1r - (c1r - c3r) * k;
+ cbg = c1g - (c1g - c3g) * k;
+ cbb = c1b - (c1b - c3b) * k;
+ const x1_ = Math.round(Math.min(xa, xb));
+ const x2_ = Math.round(Math.max(xa, xb));
+ let j = rowSize * y + x1_ * 4;
+
+ for (let x = x1_; x <= x2_; x++) {
+ k = (xa - x) / (xa - xb);
+
+ if (k < 0) {
+ k = 0;
+ } else if (k > 1) {
+ k = 1;
+ }
+
+ bytes[j++] = car - (car - cbr) * k | 0;
+ bytes[j++] = cag - (cag - cbg) * k | 0;
+ bytes[j++] = cab - (cab - cbb) * k | 0;
+ bytes[j++] = 255;
}
}
- function drawFigure(data, figure, context) {
- var ps = figure.coords;
- var cs = figure.colors;
- var i, ii;
- switch (figure.type) {
- case 'lattice':
- var verticesPerRow = figure.verticesPerRow;
- var rows = Math.floor(ps.length / verticesPerRow) - 1;
- var cols = verticesPerRow - 1;
- for (i = 0; i < rows; i++) {
- var q = i * verticesPerRow;
- for (var j = 0; j < cols; j++, q++) {
- drawTriangle(data, context, ps[q], ps[q + 1], ps[q + verticesPerRow], cs[q], cs[q + 1], cs[q + verticesPerRow]);
- drawTriangle(data, context, ps[q + verticesPerRow + 1], ps[q + 1], ps[q + verticesPerRow], cs[q + verticesPerRow + 1], cs[q + 1], cs[q + verticesPerRow]);
- }
+}
+
+function drawFigure(data, figure, context) {
+ const ps = figure.coords;
+ const cs = figure.colors;
+ let i, ii;
+
+ switch (figure.type) {
+ case "lattice":
+ const verticesPerRow = figure.verticesPerRow;
+ const rows = Math.floor(ps.length / verticesPerRow) - 1;
+ const cols = verticesPerRow - 1;
+
+ for (i = 0; i < rows; i++) {
+ let q = i * verticesPerRow;
+
+ for (let j = 0; j < cols; j++, q++) {
+ drawTriangle(data, context, ps[q], ps[q + 1], ps[q + verticesPerRow], cs[q], cs[q + 1], cs[q + verticesPerRow]);
+ drawTriangle(data, context, ps[q + verticesPerRow + 1], ps[q + 1], ps[q + verticesPerRow], cs[q + verticesPerRow + 1], cs[q + 1], cs[q + verticesPerRow]);
}
- break;
- case 'triangles':
- for (i = 0, ii = ps.length; i < ii; i += 3) {
- drawTriangle(data, context, ps[i], ps[i + 1], ps[i + 2], cs[i], cs[i + 1], cs[i + 2]);
- }
- break;
- default:
- throw new Error('illegal figure');
- }
+ }
+
+ break;
+
+ case "triangles":
+ for (i = 0, ii = ps.length; i < ii; i += 3) {
+ drawTriangle(data, context, ps[i], ps[i + 1], ps[i + 2], cs[i], cs[i + 1], cs[i + 2]);
+ }
+
+ break;
+
+ default:
+ throw new Error("illegal figure");
}
- function createMeshCanvas(bounds, combinesScale, coords, colors, figures, backgroundColor, cachedCanvases) {
- var EXPECTED_SCALE = 1.1;
- var MAX_PATTERN_SIZE = 3000;
- var BORDER_SIZE = 2;
- var offsetX = Math.floor(bounds[0]);
- var offsetY = Math.floor(bounds[1]);
- var boundsWidth = Math.ceil(bounds[2]) - offsetX;
- var boundsHeight = Math.ceil(bounds[3]) - offsetY;
- var width = Math.min(Math.ceil(Math.abs(boundsWidth * combinesScale[0] * EXPECTED_SCALE)), MAX_PATTERN_SIZE);
- var height = Math.min(Math.ceil(Math.abs(boundsHeight * combinesScale[1] * EXPECTED_SCALE)), MAX_PATTERN_SIZE);
- var scaleX = boundsWidth / width;
- var scaleY = boundsHeight / height;
- var context = {
- coords: coords,
- colors: colors,
+}
+
+class MeshShadingPattern extends BaseShadingPattern {
+ constructor(IR) {
+ super();
+ this._coords = IR[2];
+ this._colors = IR[3];
+ this._figures = IR[4];
+ this._bounds = IR[5];
+ this._bbox = IR[7];
+ this._background = IR[8];
+ this.matrix = null;
+ }
+
+ _createMeshCanvas(combinedScale, backgroundColor, cachedCanvases) {
+ const EXPECTED_SCALE = 1.1;
+ const MAX_PATTERN_SIZE = 3000;
+ const BORDER_SIZE = 2;
+ const offsetX = Math.floor(this._bounds[0]);
+ const offsetY = Math.floor(this._bounds[1]);
+ const boundsWidth = Math.ceil(this._bounds[2]) - offsetX;
+ const boundsHeight = Math.ceil(this._bounds[3]) - offsetY;
+ const width = Math.min(Math.ceil(Math.abs(boundsWidth * combinedScale[0] * EXPECTED_SCALE)), MAX_PATTERN_SIZE);
+ const height = Math.min(Math.ceil(Math.abs(boundsHeight * combinedScale[1] * EXPECTED_SCALE)), MAX_PATTERN_SIZE);
+ const scaleX = boundsWidth / width;
+ const scaleY = boundsHeight / height;
+ const context = {
+ coords: this._coords,
+ colors: this._colors,
offsetX: -offsetX,
offsetY: -offsetY,
scaleX: 1 / scaleX,
scaleY: 1 / scaleY
};
- var paddedWidth = width + BORDER_SIZE * 2;
- var paddedHeight = height + BORDER_SIZE * 2;
- var canvas, tmpCanvas, i, ii;
- if (_webgl.WebGLUtils.isEnabled) {
- canvas = _webgl.WebGLUtils.drawFigures(width, height, backgroundColor, figures, context);
- tmpCanvas = cachedCanvases.getCanvas('mesh', paddedWidth, paddedHeight, false);
- tmpCanvas.context.drawImage(canvas, BORDER_SIZE, BORDER_SIZE);
- canvas = tmpCanvas.canvas;
- } else {
- tmpCanvas = cachedCanvases.getCanvas('mesh', paddedWidth, paddedHeight, false);
- var tmpCtx = tmpCanvas.context;
- var data = tmpCtx.createImageData(width, height);
- if (backgroundColor) {
- var bytes = data.data;
- for (i = 0, ii = bytes.length; i < ii; i += 4) {
- bytes[i] = backgroundColor[0];
- bytes[i + 1] = backgroundColor[1];
- bytes[i + 2] = backgroundColor[2];
- bytes[i + 3] = 255;
- }
+ const paddedWidth = width + BORDER_SIZE * 2;
+ const paddedHeight = height + BORDER_SIZE * 2;
+ const tmpCanvas = cachedCanvases.getCanvas("mesh", paddedWidth, paddedHeight, false);
+ const tmpCtx = tmpCanvas.context;
+ const data = tmpCtx.createImageData(width, height);
+
+ if (backgroundColor) {
+ const bytes = data.data;
+
+ for (let i = 0, ii = bytes.length; i < ii; i += 4) {
+ bytes[i] = backgroundColor[0];
+ bytes[i + 1] = backgroundColor[1];
+ bytes[i + 2] = backgroundColor[2];
+ bytes[i + 3] = 255;
}
- for (i = 0; i < figures.length; i++) {
- drawFigure(data, figures[i], context);
- }
- tmpCtx.putImageData(data, BORDER_SIZE, BORDER_SIZE);
- canvas = tmpCanvas.canvas;
}
+
+ for (const figure of this._figures) {
+ drawFigure(data, figure, context);
+ }
+
+ tmpCtx.putImageData(data, BORDER_SIZE, BORDER_SIZE);
+ const canvas = tmpCanvas.canvas;
return {
- canvas: canvas,
+ canvas,
offsetX: offsetX - BORDER_SIZE * scaleX,
offsetY: offsetY - BORDER_SIZE * scaleY,
- scaleX: scaleX,
- scaleY: scaleY
+ scaleX,
+ scaleY
};
}
- return createMeshCanvas;
-}();
-ShadingIRs.Mesh = {
- fromIR: function Mesh_fromIR(raw) {
- var coords = raw[2];
- var colors = raw[3];
- var figures = raw[4];
- var bounds = raw[5];
- var matrix = raw[6];
- var background = raw[8];
- return {
- type: 'Pattern',
- getPattern: function Mesh_getPattern(ctx, owner, shadingFill) {
- var scale;
- if (shadingFill) {
- scale = _util.Util.singularValueDecompose2dScale(ctx.mozCurrentTransform);
- } else {
- scale = _util.Util.singularValueDecompose2dScale(owner.baseTransform);
- if (matrix) {
- var matrixScale = _util.Util.singularValueDecompose2dScale(matrix);
- scale = [scale[0] * matrixScale[0], scale[1] * matrixScale[1]];
- }
- }
- var temporaryPatternCanvas = createMeshCanvas(bounds, scale, coords, colors, figures, shadingFill ? null : background, owner.cachedCanvases);
- if (!shadingFill) {
- ctx.setTransform.apply(ctx, owner.baseTransform);
- if (matrix) {
- ctx.transform.apply(ctx, matrix);
- }
- }
- ctx.translate(temporaryPatternCanvas.offsetX, temporaryPatternCanvas.offsetY);
- ctx.scale(temporaryPatternCanvas.scaleX, temporaryPatternCanvas.scaleY);
- return ctx.createPattern(temporaryPatternCanvas.canvas, 'no-repeat');
+
+ getPattern(ctx, owner, inverse, pathType) {
+ applyBoundingBox(ctx, this._bbox);
+ let scale;
+
+ if (pathType === PathType.SHADING) {
+ scale = _util.Util.singularValueDecompose2dScale((0, _display_utils.getCurrentTransform)(ctx));
+ } else {
+ scale = _util.Util.singularValueDecompose2dScale(owner.baseTransform);
+
+ if (this.matrix) {
+ const matrixScale = _util.Util.singularValueDecompose2dScale(this.matrix);
+
+ scale = [scale[0] * matrixScale[0], scale[1] * matrixScale[1]];
}
- };
- }
-};
-ShadingIRs.Dummy = {
- fromIR: function Dummy_fromIR() {
- return {
- type: 'Pattern',
- getPattern: function Dummy_fromIR_getPattern() {
- return 'hotpink';
+ }
+
+ const temporaryPatternCanvas = this._createMeshCanvas(scale, pathType === PathType.SHADING ? null : this._background, owner.cachedCanvases);
+
+ if (pathType !== PathType.SHADING) {
+ ctx.setTransform(...owner.baseTransform);
+
+ if (this.matrix) {
+ ctx.transform(...this.matrix);
}
- };
+ }
+
+ ctx.translate(temporaryPatternCanvas.offsetX, temporaryPatternCanvas.offsetY);
+ ctx.scale(temporaryPatternCanvas.scaleX, temporaryPatternCanvas.scaleY);
+ return ctx.createPattern(temporaryPatternCanvas.canvas, "no-repeat");
}
-};
-function getShadingPatternFromIR(raw) {
- var shadingIR = ShadingIRs[raw[0]];
- if (!shadingIR) {
- throw new Error('Unknown IR type: ' + raw[0]);
- }
- return shadingIR.fromIR(raw);
+
}
-var TilingPattern = function TilingPatternClosure() {
- var PaintType = {
- COLORED: 1,
- UNCOLORED: 2
- };
- var MAX_PATTERN_SIZE = 3000;
- function TilingPattern(IR, color, ctx, canvasGraphicsFactory, baseTransform) {
+
+class DummyShadingPattern extends BaseShadingPattern {
+ getPattern() {
+ return "hotpink";
+ }
+
+}
+
+function getShadingPattern(IR) {
+ switch (IR[0]) {
+ case "RadialAxial":
+ return new RadialAxialShadingPattern(IR);
+
+ case "Mesh":
+ return new MeshShadingPattern(IR);
+
+ case "Dummy":
+ return new DummyShadingPattern();
+ }
+
+ throw new Error(`Unknown IR type: ${IR[0]}`);
+}
+
+const PaintType = {
+ COLORED: 1,
+ UNCOLORED: 2
+};
+
+class TilingPattern {
+ static get MAX_PATTERN_SIZE() {
+ return (0, _util.shadow)(this, "MAX_PATTERN_SIZE", 3000);
+ }
+
+ constructor(IR, color, ctx, canvasGraphicsFactory, baseTransform) {
this.operatorList = IR[2];
this.matrix = IR[3] || [1, 0, 0, 1, 0, 0];
this.bbox = IR[4];
@@ -11993,267 +9291,1291 @@ var TilingPattern = function TilingPatternClosure() {
this.paintType = IR[7];
this.tilingType = IR[8];
this.color = color;
+ this.ctx = ctx;
this.canvasGraphicsFactory = canvasGraphicsFactory;
this.baseTransform = baseTransform;
- this.type = 'Pattern';
- this.ctx = ctx;
}
- TilingPattern.prototype = {
- createPatternCanvas: function TilinPattern_createPatternCanvas(owner) {
- var operatorList = this.operatorList;
- var bbox = this.bbox;
- var xstep = this.xstep;
- var ystep = this.ystep;
- var paintType = this.paintType;
- var tilingType = this.tilingType;
- var color = this.color;
- var canvasGraphicsFactory = this.canvasGraphicsFactory;
- (0, _util.info)('TilingType: ' + tilingType);
- var x0 = bbox[0],
+
+ createPatternCanvas(owner) {
+ const operatorList = this.operatorList;
+ const bbox = this.bbox;
+ const xstep = this.xstep;
+ const ystep = this.ystep;
+ const paintType = this.paintType;
+ const tilingType = this.tilingType;
+ const color = this.color;
+ const canvasGraphicsFactory = this.canvasGraphicsFactory;
+ (0, _util.info)("TilingType: " + tilingType);
+ const x0 = bbox[0],
y0 = bbox[1],
x1 = bbox[2],
y1 = bbox[3];
- var topLeft = [x0, y0];
- var botRight = [x0 + xstep, y0 + ystep];
- var width = botRight[0] - topLeft[0];
- var height = botRight[1] - topLeft[1];
- var matrixScale = _util.Util.singularValueDecompose2dScale(this.matrix);
- var curMatrixScale = _util.Util.singularValueDecompose2dScale(this.baseTransform);
- var combinedScale = [matrixScale[0] * curMatrixScale[0], matrixScale[1] * curMatrixScale[1]];
- width = Math.min(Math.ceil(Math.abs(width * combinedScale[0])), MAX_PATTERN_SIZE);
- height = Math.min(Math.ceil(Math.abs(height * combinedScale[1])), MAX_PATTERN_SIZE);
- var tmpCanvas = owner.cachedCanvases.getCanvas('pattern', width, height, true);
- var tmpCtx = tmpCanvas.context;
- var graphics = canvasGraphicsFactory.createCanvasGraphics(tmpCtx);
- graphics.groupLevel = owner.groupLevel;
- this.setFillAndStrokeStyleToContext(tmpCtx, paintType, color);
- this.setScale(width, height, xstep, ystep);
- this.transformToScale(graphics);
- var tmpTranslate = [1, 0, 0, 1, -topLeft[0], -topLeft[1]];
- graphics.transform.apply(graphics, tmpTranslate);
- this.clipBbox(graphics, bbox, x0, y0, x1, y1);
- graphics.executeOperatorList(operatorList);
- return tmpCanvas.canvas;
- },
- setScale: function TilingPattern_setScale(width, height, xstep, ystep) {
- this.scale = [width / xstep, height / ystep];
- },
- transformToScale: function TilingPattern_transformToScale(graphics) {
- var scale = this.scale;
- var tmpScale = [scale[0], 0, 0, scale[1], 0, 0];
- graphics.transform.apply(graphics, tmpScale);
- },
- scaleToContext: function TilingPattern_scaleToContext() {
- var scale = this.scale;
- this.ctx.scale(1 / scale[0], 1 / scale[1]);
- },
- clipBbox: function clipBbox(graphics, bbox, x0, y0, x1, y1) {
- if ((0, _util.isArray)(bbox) && bbox.length === 4) {
- var bboxWidth = x1 - x0;
- var bboxHeight = y1 - y0;
- graphics.ctx.rect(x0, y0, bboxWidth, bboxHeight);
- graphics.clip();
- graphics.endPath();
- }
- },
- setFillAndStrokeStyleToContext: function setFillAndStrokeStyleToContext(context, paintType, color) {
- switch (paintType) {
- case PaintType.COLORED:
- var ctx = this.ctx;
- context.fillStyle = ctx.fillStyle;
- context.strokeStyle = ctx.strokeStyle;
- break;
- case PaintType.UNCOLORED:
- var cssColor = _util.Util.makeCssRgb(color[0], color[1], color[2]);
- context.fillStyle = cssColor;
- context.strokeStyle = cssColor;
- break;
- default:
- throw new _util.FormatError('Unsupported paint type: ' + paintType);
- }
- },
- getPattern: function TilingPattern_getPattern(ctx, owner) {
- var temporaryPatternCanvas = this.createPatternCanvas(owner);
- ctx = this.ctx;
- ctx.setTransform.apply(ctx, this.baseTransform);
- ctx.transform.apply(ctx, this.matrix);
- this.scaleToContext();
- return ctx.createPattern(temporaryPatternCanvas, 'repeat');
+
+ const matrixScale = _util.Util.singularValueDecompose2dScale(this.matrix);
+
+ const curMatrixScale = _util.Util.singularValueDecompose2dScale(this.baseTransform);
+
+ const combinedScale = [matrixScale[0] * curMatrixScale[0], matrixScale[1] * curMatrixScale[1]];
+ const dimx = this.getSizeAndScale(xstep, this.ctx.canvas.width, combinedScale[0]);
+ const dimy = this.getSizeAndScale(ystep, this.ctx.canvas.height, combinedScale[1]);
+ const tmpCanvas = owner.cachedCanvases.getCanvas("pattern", dimx.size, dimy.size, true);
+ const tmpCtx = tmpCanvas.context;
+ const graphics = canvasGraphicsFactory.createCanvasGraphics(tmpCtx);
+ graphics.groupLevel = owner.groupLevel;
+ this.setFillAndStrokeStyleToContext(graphics, paintType, color);
+ let adjustedX0 = x0;
+ let adjustedY0 = y0;
+ let adjustedX1 = x1;
+ let adjustedY1 = y1;
+
+ if (x0 < 0) {
+ adjustedX0 = 0;
+ adjustedX1 += Math.abs(x0);
}
- };
- return TilingPattern;
-}();
-exports.getShadingPatternFromIR = getShadingPatternFromIR;
+
+ if (y0 < 0) {
+ adjustedY0 = 0;
+ adjustedY1 += Math.abs(y0);
+ }
+
+ tmpCtx.translate(-(dimx.scale * adjustedX0), -(dimy.scale * adjustedY0));
+ graphics.transform(dimx.scale, 0, 0, dimy.scale, 0, 0);
+ tmpCtx.save();
+ this.clipBbox(graphics, adjustedX0, adjustedY0, adjustedX1, adjustedY1);
+ graphics.baseTransform = (0, _display_utils.getCurrentTransform)(graphics.ctx);
+ graphics.executeOperatorList(operatorList);
+ graphics.endDrawing();
+ return {
+ canvas: tmpCanvas.canvas,
+ scaleX: dimx.scale,
+ scaleY: dimy.scale,
+ offsetX: adjustedX0,
+ offsetY: adjustedY0
+ };
+ }
+
+ getSizeAndScale(step, realOutputSize, scale) {
+ step = Math.abs(step);
+ const maxSize = Math.max(TilingPattern.MAX_PATTERN_SIZE, realOutputSize);
+ let size = Math.ceil(step * scale);
+
+ if (size >= maxSize) {
+ size = maxSize;
+ } else {
+ scale = size / step;
+ }
+
+ return {
+ scale,
+ size
+ };
+ }
+
+ clipBbox(graphics, x0, y0, x1, y1) {
+ const bboxWidth = x1 - x0;
+ const bboxHeight = y1 - y0;
+ graphics.ctx.rect(x0, y0, bboxWidth, bboxHeight);
+ graphics.current.updateRectMinMax((0, _display_utils.getCurrentTransform)(graphics.ctx), [x0, y0, x1, y1]);
+ graphics.clip();
+ graphics.endPath();
+ }
+
+ setFillAndStrokeStyleToContext(graphics, paintType, color) {
+ const context = graphics.ctx,
+ current = graphics.current;
+
+ switch (paintType) {
+ case PaintType.COLORED:
+ const ctx = this.ctx;
+ context.fillStyle = ctx.fillStyle;
+ context.strokeStyle = ctx.strokeStyle;
+ current.fillColor = ctx.fillStyle;
+ current.strokeColor = ctx.strokeStyle;
+ break;
+
+ case PaintType.UNCOLORED:
+ const cssColor = _util.Util.makeHexColor(color[0], color[1], color[2]);
+
+ context.fillStyle = cssColor;
+ context.strokeStyle = cssColor;
+ current.fillColor = cssColor;
+ current.strokeColor = cssColor;
+ break;
+
+ default:
+ throw new _util.FormatError(`Unsupported paint type: ${paintType}`);
+ }
+ }
+
+ getPattern(ctx, owner, inverse, pathType) {
+ let matrix = inverse;
+
+ if (pathType !== PathType.SHADING) {
+ matrix = _util.Util.transform(matrix, owner.baseTransform);
+
+ if (this.matrix) {
+ matrix = _util.Util.transform(matrix, this.matrix);
+ }
+ }
+
+ const temporaryPatternCanvas = this.createPatternCanvas(owner);
+ let domMatrix = new DOMMatrix(matrix);
+ domMatrix = domMatrix.translate(temporaryPatternCanvas.offsetX, temporaryPatternCanvas.offsetY);
+ domMatrix = domMatrix.scale(1 / temporaryPatternCanvas.scaleX, 1 / temporaryPatternCanvas.scaleY);
+ const pattern = ctx.createPattern(temporaryPatternCanvas.canvas, "repeat");
+
+ try {
+ pattern.setTransform(domMatrix);
+ } catch (ex) {
+ (0, _util.warn)(`TilingPattern.getPattern: "${ex?.message}".`);
+ }
+
+ return pattern;
+ }
+
+}
+
exports.TilingPattern = TilingPattern;
/***/ }),
/* 14 */
-/***/ (function(module, exports, __w_pdfjs_require__) {
-
-"use strict";
+/***/ ((__unused_webpack_module, exports, __w_pdfjs_require__) => {
-Object.defineProperty(exports, "__esModule", {
+
+Object.defineProperty(exports, "__esModule", ({
value: true
-});
-exports.PDFDataTransportStream = undefined;
+}));
+exports.applyMaskImageData = applyMaskImageData;
-var _util = __w_pdfjs_require__(0);
+var _util = __w_pdfjs_require__(1);
-var PDFDataTransportStream = function PDFDataTransportStreamClosure() {
- function PDFDataTransportStream(params, pdfDataRangeTransport) {
- var _this = this;
+function applyMaskImageData({
+ src,
+ srcPos = 0,
+ dest,
+ destPos = 0,
+ width,
+ height,
+ inverseDecode = false
+}) {
+ const opaque = _util.FeatureTest.isLittleEndian ? 0xff000000 : 0x000000ff;
+ const [zeroMapping, oneMapping] = !inverseDecode ? [opaque, 0] : [0, opaque];
+ const widthInSource = width >> 3;
+ const widthRemainder = width & 7;
+ const srcLength = src.length;
+ dest = new Uint32Array(dest.buffer);
- (0, _util.assert)(pdfDataRangeTransport);
+ for (let i = 0; i < height; i++) {
+ for (const max = srcPos + widthInSource; srcPos < max; srcPos++) {
+ const elem = srcPos < srcLength ? src[srcPos] : 255;
+ dest[destPos++] = elem & 0b10000000 ? oneMapping : zeroMapping;
+ dest[destPos++] = elem & 0b1000000 ? oneMapping : zeroMapping;
+ dest[destPos++] = elem & 0b100000 ? oneMapping : zeroMapping;
+ dest[destPos++] = elem & 0b10000 ? oneMapping : zeroMapping;
+ dest[destPos++] = elem & 0b1000 ? oneMapping : zeroMapping;
+ dest[destPos++] = elem & 0b100 ? oneMapping : zeroMapping;
+ dest[destPos++] = elem & 0b10 ? oneMapping : zeroMapping;
+ dest[destPos++] = elem & 0b1 ? oneMapping : zeroMapping;
+ }
+
+ if (widthRemainder === 0) {
+ continue;
+ }
+
+ const elem = srcPos < srcLength ? src[srcPos++] : 255;
+
+ for (let j = 0; j < widthRemainder; j++) {
+ dest[destPos++] = elem & 1 << 7 - j ? oneMapping : zeroMapping;
+ }
+ }
+
+ return {
+ srcPos,
+ destPos
+ };
+}
+
+/***/ }),
+/* 15 */
+/***/ ((__unused_webpack_module, exports) => {
+
+
+
+Object.defineProperty(exports, "__esModule", ({
+ value: true
+}));
+exports.GlobalWorkerOptions = void 0;
+const GlobalWorkerOptions = Object.create(null);
+exports.GlobalWorkerOptions = GlobalWorkerOptions;
+GlobalWorkerOptions.workerPort = GlobalWorkerOptions.workerPort === undefined ? null : GlobalWorkerOptions.workerPort;
+GlobalWorkerOptions.workerSrc = GlobalWorkerOptions.workerSrc === undefined ? "" : GlobalWorkerOptions.workerSrc;
+
+/***/ }),
+/* 16 */
+/***/ ((__unused_webpack_module, exports, __w_pdfjs_require__) => {
+
+
+
+Object.defineProperty(exports, "__esModule", ({
+ value: true
+}));
+exports.MessageHandler = void 0;
+
+var _util = __w_pdfjs_require__(1);
+
+const CallbackKind = {
+ UNKNOWN: 0,
+ DATA: 1,
+ ERROR: 2
+};
+const StreamKind = {
+ UNKNOWN: 0,
+ CANCEL: 1,
+ CANCEL_COMPLETE: 2,
+ CLOSE: 3,
+ ENQUEUE: 4,
+ ERROR: 5,
+ PULL: 6,
+ PULL_COMPLETE: 7,
+ START_COMPLETE: 8
+};
+
+function wrapReason(reason) {
+ if (!(reason instanceof Error || typeof reason === "object" && reason !== null)) {
+ (0, _util.unreachable)('wrapReason: Expected "reason" to be a (possibly cloned) Error.');
+ }
+
+ switch (reason.name) {
+ case "AbortException":
+ return new _util.AbortException(reason.message);
+
+ case "MissingPDFException":
+ return new _util.MissingPDFException(reason.message);
+
+ case "PasswordException":
+ return new _util.PasswordException(reason.message, reason.code);
+
+ case "UnexpectedResponseException":
+ return new _util.UnexpectedResponseException(reason.message, reason.status);
+
+ case "UnknownErrorException":
+ return new _util.UnknownErrorException(reason.message, reason.details);
+
+ default:
+ return new _util.UnknownErrorException(reason.message, reason.toString());
+ }
+}
+
+class MessageHandler {
+ constructor(sourceName, targetName, comObj) {
+ this.sourceName = sourceName;
+ this.targetName = targetName;
+ this.comObj = comObj;
+ this.callbackId = 1;
+ this.streamId = 1;
+ this.streamSinks = Object.create(null);
+ this.streamControllers = Object.create(null);
+ this.callbackCapabilities = Object.create(null);
+ this.actionHandler = Object.create(null);
+
+ this._onComObjOnMessage = event => {
+ const data = event.data;
+
+ if (data.targetName !== this.sourceName) {
+ return;
+ }
+
+ if (data.stream) {
+ this._processStreamMessage(data);
+
+ return;
+ }
+
+ if (data.callback) {
+ const callbackId = data.callbackId;
+ const capability = this.callbackCapabilities[callbackId];
+
+ if (!capability) {
+ throw new Error(`Cannot resolve callback ${callbackId}`);
+ }
+
+ delete this.callbackCapabilities[callbackId];
+
+ if (data.callback === CallbackKind.DATA) {
+ capability.resolve(data.data);
+ } else if (data.callback === CallbackKind.ERROR) {
+ capability.reject(wrapReason(data.reason));
+ } else {
+ throw new Error("Unexpected callback case");
+ }
+
+ return;
+ }
+
+ const action = this.actionHandler[data.action];
+
+ if (!action) {
+ throw new Error(`Unknown action from worker: ${data.action}`);
+ }
+
+ if (data.callbackId) {
+ const cbSourceName = this.sourceName;
+ const cbTargetName = data.sourceName;
+ new Promise(function (resolve) {
+ resolve(action(data.data));
+ }).then(function (result) {
+ comObj.postMessage({
+ sourceName: cbSourceName,
+ targetName: cbTargetName,
+ callback: CallbackKind.DATA,
+ callbackId: data.callbackId,
+ data: result
+ });
+ }, function (reason) {
+ comObj.postMessage({
+ sourceName: cbSourceName,
+ targetName: cbTargetName,
+ callback: CallbackKind.ERROR,
+ callbackId: data.callbackId,
+ reason: wrapReason(reason)
+ });
+ });
+ return;
+ }
+
+ if (data.streamId) {
+ this._createStreamSink(data);
+
+ return;
+ }
+
+ action(data.data);
+ };
+
+ comObj.addEventListener("message", this._onComObjOnMessage);
+ }
+
+ on(actionName, handler) {
+ const ah = this.actionHandler;
+
+ if (ah[actionName]) {
+ throw new Error(`There is already an actionName called "${actionName}"`);
+ }
+
+ ah[actionName] = handler;
+ }
+
+ send(actionName, data, transfers) {
+ this.comObj.postMessage({
+ sourceName: this.sourceName,
+ targetName: this.targetName,
+ action: actionName,
+ data
+ }, transfers);
+ }
+
+ sendWithPromise(actionName, data, transfers) {
+ const callbackId = this.callbackId++;
+ const capability = (0, _util.createPromiseCapability)();
+ this.callbackCapabilities[callbackId] = capability;
+
+ try {
+ this.comObj.postMessage({
+ sourceName: this.sourceName,
+ targetName: this.targetName,
+ action: actionName,
+ callbackId,
+ data
+ }, transfers);
+ } catch (ex) {
+ capability.reject(ex);
+ }
+
+ return capability.promise;
+ }
+
+ sendWithStream(actionName, data, queueingStrategy, transfers) {
+ const streamId = this.streamId++,
+ sourceName = this.sourceName,
+ targetName = this.targetName,
+ comObj = this.comObj;
+ return new ReadableStream({
+ start: controller => {
+ const startCapability = (0, _util.createPromiseCapability)();
+ this.streamControllers[streamId] = {
+ controller,
+ startCall: startCapability,
+ pullCall: null,
+ cancelCall: null,
+ isClosed: false
+ };
+ comObj.postMessage({
+ sourceName,
+ targetName,
+ action: actionName,
+ streamId,
+ data,
+ desiredSize: controller.desiredSize
+ }, transfers);
+ return startCapability.promise;
+ },
+ pull: controller => {
+ const pullCapability = (0, _util.createPromiseCapability)();
+ this.streamControllers[streamId].pullCall = pullCapability;
+ comObj.postMessage({
+ sourceName,
+ targetName,
+ stream: StreamKind.PULL,
+ streamId,
+ desiredSize: controller.desiredSize
+ });
+ return pullCapability.promise;
+ },
+ cancel: reason => {
+ (0, _util.assert)(reason instanceof Error, "cancel must have a valid reason");
+ const cancelCapability = (0, _util.createPromiseCapability)();
+ this.streamControllers[streamId].cancelCall = cancelCapability;
+ this.streamControllers[streamId].isClosed = true;
+ comObj.postMessage({
+ sourceName,
+ targetName,
+ stream: StreamKind.CANCEL,
+ streamId,
+ reason: wrapReason(reason)
+ });
+ return cancelCapability.promise;
+ }
+ }, queueingStrategy);
+ }
+
+ _createStreamSink(data) {
+ const streamId = data.streamId,
+ sourceName = this.sourceName,
+ targetName = data.sourceName,
+ comObj = this.comObj;
+ const self = this,
+ action = this.actionHandler[data.action];
+ const streamSink = {
+ enqueue(chunk, size = 1, transfers) {
+ if (this.isCancelled) {
+ return;
+ }
+
+ const lastDesiredSize = this.desiredSize;
+ this.desiredSize -= size;
+
+ if (lastDesiredSize > 0 && this.desiredSize <= 0) {
+ this.sinkCapability = (0, _util.createPromiseCapability)();
+ this.ready = this.sinkCapability.promise;
+ }
+
+ comObj.postMessage({
+ sourceName,
+ targetName,
+ stream: StreamKind.ENQUEUE,
+ streamId,
+ chunk
+ }, transfers);
+ },
+
+ close() {
+ if (this.isCancelled) {
+ return;
+ }
+
+ this.isCancelled = true;
+ comObj.postMessage({
+ sourceName,
+ targetName,
+ stream: StreamKind.CLOSE,
+ streamId
+ });
+ delete self.streamSinks[streamId];
+ },
+
+ error(reason) {
+ (0, _util.assert)(reason instanceof Error, "error must have a valid reason");
+
+ if (this.isCancelled) {
+ return;
+ }
+
+ this.isCancelled = true;
+ comObj.postMessage({
+ sourceName,
+ targetName,
+ stream: StreamKind.ERROR,
+ streamId,
+ reason: wrapReason(reason)
+ });
+ },
+
+ sinkCapability: (0, _util.createPromiseCapability)(),
+ onPull: null,
+ onCancel: null,
+ isCancelled: false,
+ desiredSize: data.desiredSize,
+ ready: null
+ };
+ streamSink.sinkCapability.resolve();
+ streamSink.ready = streamSink.sinkCapability.promise;
+ this.streamSinks[streamId] = streamSink;
+ new Promise(function (resolve) {
+ resolve(action(data.data, streamSink));
+ }).then(function () {
+ comObj.postMessage({
+ sourceName,
+ targetName,
+ stream: StreamKind.START_COMPLETE,
+ streamId,
+ success: true
+ });
+ }, function (reason) {
+ comObj.postMessage({
+ sourceName,
+ targetName,
+ stream: StreamKind.START_COMPLETE,
+ streamId,
+ reason: wrapReason(reason)
+ });
+ });
+ }
+
+ _processStreamMessage(data) {
+ const streamId = data.streamId,
+ sourceName = this.sourceName,
+ targetName = data.sourceName,
+ comObj = this.comObj;
+ const streamController = this.streamControllers[streamId],
+ streamSink = this.streamSinks[streamId];
+
+ switch (data.stream) {
+ case StreamKind.START_COMPLETE:
+ if (data.success) {
+ streamController.startCall.resolve();
+ } else {
+ streamController.startCall.reject(wrapReason(data.reason));
+ }
+
+ break;
+
+ case StreamKind.PULL_COMPLETE:
+ if (data.success) {
+ streamController.pullCall.resolve();
+ } else {
+ streamController.pullCall.reject(wrapReason(data.reason));
+ }
+
+ break;
+
+ case StreamKind.PULL:
+ if (!streamSink) {
+ comObj.postMessage({
+ sourceName,
+ targetName,
+ stream: StreamKind.PULL_COMPLETE,
+ streamId,
+ success: true
+ });
+ break;
+ }
+
+ if (streamSink.desiredSize <= 0 && data.desiredSize > 0) {
+ streamSink.sinkCapability.resolve();
+ }
+
+ streamSink.desiredSize = data.desiredSize;
+ new Promise(function (resolve) {
+ resolve(streamSink.onPull && streamSink.onPull());
+ }).then(function () {
+ comObj.postMessage({
+ sourceName,
+ targetName,
+ stream: StreamKind.PULL_COMPLETE,
+ streamId,
+ success: true
+ });
+ }, function (reason) {
+ comObj.postMessage({
+ sourceName,
+ targetName,
+ stream: StreamKind.PULL_COMPLETE,
+ streamId,
+ reason: wrapReason(reason)
+ });
+ });
+ break;
+
+ case StreamKind.ENQUEUE:
+ (0, _util.assert)(streamController, "enqueue should have stream controller");
+
+ if (streamController.isClosed) {
+ break;
+ }
+
+ streamController.controller.enqueue(data.chunk);
+ break;
+
+ case StreamKind.CLOSE:
+ (0, _util.assert)(streamController, "close should have stream controller");
+
+ if (streamController.isClosed) {
+ break;
+ }
+
+ streamController.isClosed = true;
+ streamController.controller.close();
+
+ this._deleteStreamController(streamController, streamId);
+
+ break;
+
+ case StreamKind.ERROR:
+ (0, _util.assert)(streamController, "error should have stream controller");
+ streamController.controller.error(wrapReason(data.reason));
+
+ this._deleteStreamController(streamController, streamId);
+
+ break;
+
+ case StreamKind.CANCEL_COMPLETE:
+ if (data.success) {
+ streamController.cancelCall.resolve();
+ } else {
+ streamController.cancelCall.reject(wrapReason(data.reason));
+ }
+
+ this._deleteStreamController(streamController, streamId);
+
+ break;
+
+ case StreamKind.CANCEL:
+ if (!streamSink) {
+ break;
+ }
+
+ new Promise(function (resolve) {
+ resolve(streamSink.onCancel && streamSink.onCancel(wrapReason(data.reason)));
+ }).then(function () {
+ comObj.postMessage({
+ sourceName,
+ targetName,
+ stream: StreamKind.CANCEL_COMPLETE,
+ streamId,
+ success: true
+ });
+ }, function (reason) {
+ comObj.postMessage({
+ sourceName,
+ targetName,
+ stream: StreamKind.CANCEL_COMPLETE,
+ streamId,
+ reason: wrapReason(reason)
+ });
+ });
+ streamSink.sinkCapability.reject(wrapReason(data.reason));
+ streamSink.isCancelled = true;
+ delete this.streamSinks[streamId];
+ break;
+
+ default:
+ throw new Error("Unexpected stream case");
+ }
+ }
+
+ async _deleteStreamController(streamController, streamId) {
+ await Promise.allSettled([streamController.startCall && streamController.startCall.promise, streamController.pullCall && streamController.pullCall.promise, streamController.cancelCall && streamController.cancelCall.promise]);
+ delete this.streamControllers[streamId];
+ }
+
+ destroy() {
+ this.comObj.removeEventListener("message", this._onComObjOnMessage);
+ }
+
+}
+
+exports.MessageHandler = MessageHandler;
+
+/***/ }),
+/* 17 */
+/***/ ((__unused_webpack_module, exports, __w_pdfjs_require__) => {
+
+
+
+Object.defineProperty(exports, "__esModule", ({
+ value: true
+}));
+exports.Metadata = void 0;
+
+var _util = __w_pdfjs_require__(1);
+
+class Metadata {
+ #metadataMap;
+ #data;
+
+ constructor({
+ parsedData,
+ rawData
+ }) {
+ this.#metadataMap = parsedData;
+ this.#data = rawData;
+ }
+
+ getRaw() {
+ return this.#data;
+ }
+
+ get(name) {
+ return this.#metadataMap.get(name) ?? null;
+ }
+
+ getAll() {
+ return (0, _util.objectFromMap)(this.#metadataMap);
+ }
+
+ has(name) {
+ return this.#metadataMap.has(name);
+ }
+
+}
+
+exports.Metadata = Metadata;
+
+/***/ }),
+/* 18 */
+/***/ ((__unused_webpack_module, exports, __w_pdfjs_require__) => {
+
+
+
+Object.defineProperty(exports, "__esModule", ({
+ value: true
+}));
+exports.OptionalContentConfig = void 0;
+
+var _util = __w_pdfjs_require__(1);
+
+const INTERNAL = Symbol("INTERNAL");
+
+class OptionalContentGroup {
+ #visible = true;
+
+ constructor(name, intent) {
+ this.name = name;
+ this.intent = intent;
+ }
+
+ get visible() {
+ return this.#visible;
+ }
+
+ _setVisible(internal, visible) {
+ if (internal !== INTERNAL) {
+ (0, _util.unreachable)("Internal method `_setVisible` called.");
+ }
+
+ this.#visible = visible;
+ }
+
+}
+
+class OptionalContentConfig {
+ #cachedHasInitialVisibility = true;
+ #groups = new Map();
+ #initialVisibility = null;
+ #order = null;
+
+ constructor(data) {
+ this.name = null;
+ this.creator = null;
+
+ if (data === null) {
+ return;
+ }
+
+ this.name = data.name;
+ this.creator = data.creator;
+ this.#order = data.order;
+
+ for (const group of data.groups) {
+ this.#groups.set(group.id, new OptionalContentGroup(group.name, group.intent));
+ }
+
+ if (data.baseState === "OFF") {
+ for (const group of this.#groups.values()) {
+ group._setVisible(INTERNAL, false);
+ }
+ }
+
+ for (const on of data.on) {
+ this.#groups.get(on)._setVisible(INTERNAL, true);
+ }
+
+ for (const off of data.off) {
+ this.#groups.get(off)._setVisible(INTERNAL, false);
+ }
+
+ this.#initialVisibility = new Map();
+
+ for (const [id, group] of this.#groups) {
+ this.#initialVisibility.set(id, group.visible);
+ }
+ }
+
+ #evaluateVisibilityExpression(array) {
+ const length = array.length;
+
+ if (length < 2) {
+ return true;
+ }
+
+ const operator = array[0];
+
+ for (let i = 1; i < length; i++) {
+ const element = array[i];
+ let state;
+
+ if (Array.isArray(element)) {
+ state = this.#evaluateVisibilityExpression(element);
+ } else if (this.#groups.has(element)) {
+ state = this.#groups.get(element).visible;
+ } else {
+ (0, _util.warn)(`Optional content group not found: ${element}`);
+ return true;
+ }
+
+ switch (operator) {
+ case "And":
+ if (!state) {
+ return false;
+ }
+
+ break;
+
+ case "Or":
+ if (state) {
+ return true;
+ }
+
+ break;
+
+ case "Not":
+ return !state;
+
+ default:
+ return true;
+ }
+ }
+
+ return operator === "And";
+ }
+
+ isVisible(group) {
+ if (this.#groups.size === 0) {
+ return true;
+ }
+
+ if (!group) {
+ (0, _util.warn)("Optional content group not defined.");
+ return true;
+ }
+
+ if (group.type === "OCG") {
+ if (!this.#groups.has(group.id)) {
+ (0, _util.warn)(`Optional content group not found: ${group.id}`);
+ return true;
+ }
+
+ return this.#groups.get(group.id).visible;
+ } else if (group.type === "OCMD") {
+ if (group.expression) {
+ return this.#evaluateVisibilityExpression(group.expression);
+ }
+
+ if (!group.policy || group.policy === "AnyOn") {
+ for (const id of group.ids) {
+ if (!this.#groups.has(id)) {
+ (0, _util.warn)(`Optional content group not found: ${id}`);
+ return true;
+ }
+
+ if (this.#groups.get(id).visible) {
+ return true;
+ }
+ }
+
+ return false;
+ } else if (group.policy === "AllOn") {
+ for (const id of group.ids) {
+ if (!this.#groups.has(id)) {
+ (0, _util.warn)(`Optional content group not found: ${id}`);
+ return true;
+ }
+
+ if (!this.#groups.get(id).visible) {
+ return false;
+ }
+ }
+
+ return true;
+ } else if (group.policy === "AnyOff") {
+ for (const id of group.ids) {
+ if (!this.#groups.has(id)) {
+ (0, _util.warn)(`Optional content group not found: ${id}`);
+ return true;
+ }
+
+ if (!this.#groups.get(id).visible) {
+ return true;
+ }
+ }
+
+ return false;
+ } else if (group.policy === "AllOff") {
+ for (const id of group.ids) {
+ if (!this.#groups.has(id)) {
+ (0, _util.warn)(`Optional content group not found: ${id}`);
+ return true;
+ }
+
+ if (this.#groups.get(id).visible) {
+ return false;
+ }
+ }
+
+ return true;
+ }
+
+ (0, _util.warn)(`Unknown optional content policy ${group.policy}.`);
+ return true;
+ }
+
+ (0, _util.warn)(`Unknown group type ${group.type}.`);
+ return true;
+ }
+
+ setVisibility(id, visible = true) {
+ if (!this.#groups.has(id)) {
+ (0, _util.warn)(`Optional content group not found: ${id}`);
+ return;
+ }
+
+ this.#groups.get(id)._setVisible(INTERNAL, !!visible);
+
+ this.#cachedHasInitialVisibility = null;
+ }
+
+ get hasInitialVisibility() {
+ if (this.#cachedHasInitialVisibility !== null) {
+ return this.#cachedHasInitialVisibility;
+ }
+
+ for (const [id, group] of this.#groups) {
+ const visible = this.#initialVisibility.get(id);
+
+ if (group.visible !== visible) {
+ return this.#cachedHasInitialVisibility = false;
+ }
+ }
+
+ return this.#cachedHasInitialVisibility = true;
+ }
+
+ getOrder() {
+ if (!this.#groups.size) {
+ return null;
+ }
+
+ if (this.#order) {
+ return this.#order.slice();
+ }
+
+ return [...this.#groups.keys()];
+ }
+
+ getGroups() {
+ return this.#groups.size > 0 ? (0, _util.objectFromMap)(this.#groups) : null;
+ }
+
+ getGroup(id) {
+ return this.#groups.get(id) || null;
+ }
+
+}
+
+exports.OptionalContentConfig = OptionalContentConfig;
+
+/***/ }),
+/* 19 */
+/***/ ((__unused_webpack_module, exports, __w_pdfjs_require__) => {
+
+
+
+Object.defineProperty(exports, "__esModule", ({
+ value: true
+}));
+exports.PDFDataTransportStream = void 0;
+
+var _util = __w_pdfjs_require__(1);
+
+var _display_utils = __w_pdfjs_require__(8);
+
+class PDFDataTransportStream {
+ constructor(params, pdfDataRangeTransport) {
+ (0, _util.assert)(pdfDataRangeTransport, 'PDFDataTransportStream - missing required "pdfDataRangeTransport" argument.');
this._queuedChunks = [];
- var initialData = params.initialData;
- if (initialData && initialData.length > 0) {
- var buffer = new Uint8Array(initialData).buffer;
+ this._progressiveDone = params.progressiveDone || false;
+ this._contentDispositionFilename = params.contentDispositionFilename || null;
+ const initialData = params.initialData;
+
+ if (initialData?.length > 0) {
+ const buffer = new Uint8Array(initialData).buffer;
+
this._queuedChunks.push(buffer);
}
+
this._pdfDataRangeTransport = pdfDataRangeTransport;
- this._isRangeSupported = !params.disableRange;
this._isStreamingSupported = !params.disableStream;
+ this._isRangeSupported = !params.disableRange;
this._contentLength = params.length;
this._fullRequestReader = null;
this._rangeReaders = [];
- this._pdfDataRangeTransport.addRangeListener(function (begin, chunk) {
- _this._onReceiveData({
- begin: begin,
- chunk: chunk
+
+ this._pdfDataRangeTransport.addRangeListener((begin, chunk) => {
+ this._onReceiveData({
+ begin,
+ chunk
});
});
- this._pdfDataRangeTransport.addProgressListener(function (loaded) {
- _this._onProgress({ loaded: loaded });
+
+ this._pdfDataRangeTransport.addProgressListener((loaded, total) => {
+ this._onProgress({
+ loaded,
+ total
+ });
});
- this._pdfDataRangeTransport.addProgressiveReadListener(function (chunk) {
- _this._onReceiveData({ chunk: chunk });
+
+ this._pdfDataRangeTransport.addProgressiveReadListener(chunk => {
+ this._onReceiveData({
+ chunk
+ });
});
+
+ this._pdfDataRangeTransport.addProgressiveDoneListener(() => {
+ this._onProgressiveDone();
+ });
+
this._pdfDataRangeTransport.transportReady();
}
- PDFDataTransportStream.prototype = {
- _onReceiveData: function PDFDataTransportStream_onReceiveData(args) {
- var buffer = new Uint8Array(args.chunk).buffer;
- if (args.begin === undefined) {
- if (this._fullRequestReader) {
- this._fullRequestReader._enqueue(buffer);
- } else {
- this._queuedChunks.push(buffer);
- }
- } else {
- var found = this._rangeReaders.some(function (rangeReader) {
- if (rangeReader._begin !== args.begin) {
- return false;
- }
- rangeReader._enqueue(buffer);
- return true;
- });
- (0, _util.assert)(found);
- }
- },
- _onProgress: function PDFDataTransportStream_onDataProgress(evt) {
- if (this._rangeReaders.length > 0) {
- var firstReader = this._rangeReaders[0];
- if (firstReader.onProgress) {
- firstReader.onProgress({ loaded: evt.loaded });
- }
- }
- },
- _removeRangeReader: function PDFDataTransportStream_removeRangeReader(reader) {
- var i = this._rangeReaders.indexOf(reader);
- if (i >= 0) {
- this._rangeReaders.splice(i, 1);
- }
- },
- getFullReader: function PDFDataTransportStream_getFullReader() {
- (0, _util.assert)(!this._fullRequestReader);
- var queuedChunks = this._queuedChunks;
- this._queuedChunks = null;
- return new PDFDataTransportStreamReader(this, queuedChunks);
- },
- getRangeReader: function PDFDataTransportStream_getRangeReader(begin, end) {
- var reader = new PDFDataTransportStreamRangeReader(this, begin, end);
- this._pdfDataRangeTransport.requestDataRange(begin, end);
- this._rangeReaders.push(reader);
- return reader;
- },
- cancelAllRequests: function PDFDataTransportStream_cancelAllRequests(reason) {
+
+ _onReceiveData(args) {
+ const buffer = new Uint8Array(args.chunk).buffer;
+
+ if (args.begin === undefined) {
if (this._fullRequestReader) {
- this._fullRequestReader.cancel(reason);
+ this._fullRequestReader._enqueue(buffer);
+ } else {
+ this._queuedChunks.push(buffer);
}
- var readers = this._rangeReaders.slice(0);
- readers.forEach(function (rangeReader) {
- rangeReader.cancel(reason);
+ } else {
+ const found = this._rangeReaders.some(function (rangeReader) {
+ if (rangeReader._begin !== args.begin) {
+ return false;
+ }
+
+ rangeReader._enqueue(buffer);
+
+ return true;
});
- this._pdfDataRangeTransport.abort();
+
+ (0, _util.assert)(found, "_onReceiveData - no `PDFDataTransportStreamRangeReader` instance found.");
}
- };
- function PDFDataTransportStreamReader(stream, queuedChunks) {
+ }
+
+ get _progressiveDataLength() {
+ return this._fullRequestReader?._loaded ?? 0;
+ }
+
+ _onProgress(evt) {
+ if (evt.total === undefined) {
+ const firstReader = this._rangeReaders[0];
+
+ if (firstReader?.onProgress) {
+ firstReader.onProgress({
+ loaded: evt.loaded
+ });
+ }
+ } else {
+ const fullReader = this._fullRequestReader;
+
+ if (fullReader?.onProgress) {
+ fullReader.onProgress({
+ loaded: evt.loaded,
+ total: evt.total
+ });
+ }
+ }
+ }
+
+ _onProgressiveDone() {
+ if (this._fullRequestReader) {
+ this._fullRequestReader.progressiveDone();
+ }
+
+ this._progressiveDone = true;
+ }
+
+ _removeRangeReader(reader) {
+ const i = this._rangeReaders.indexOf(reader);
+
+ if (i >= 0) {
+ this._rangeReaders.splice(i, 1);
+ }
+ }
+
+ getFullReader() {
+ (0, _util.assert)(!this._fullRequestReader, "PDFDataTransportStream.getFullReader can only be called once.");
+ const queuedChunks = this._queuedChunks;
+ this._queuedChunks = null;
+ return new PDFDataTransportStreamReader(this, queuedChunks, this._progressiveDone, this._contentDispositionFilename);
+ }
+
+ getRangeReader(begin, end) {
+ if (end <= this._progressiveDataLength) {
+ return null;
+ }
+
+ const reader = new PDFDataTransportStreamRangeReader(this, begin, end);
+
+ this._pdfDataRangeTransport.requestDataRange(begin, end);
+
+ this._rangeReaders.push(reader);
+
+ return reader;
+ }
+
+ cancelAllRequests(reason) {
+ if (this._fullRequestReader) {
+ this._fullRequestReader.cancel(reason);
+ }
+
+ for (const reader of this._rangeReaders.slice(0)) {
+ reader.cancel(reason);
+ }
+
+ this._pdfDataRangeTransport.abort();
+ }
+
+}
+
+exports.PDFDataTransportStream = PDFDataTransportStream;
+
+class PDFDataTransportStreamReader {
+ constructor(stream, queuedChunks, progressiveDone = false, contentDispositionFilename = null) {
this._stream = stream;
- this._done = false;
+ this._done = progressiveDone || false;
+ this._filename = (0, _display_utils.isPdfFile)(contentDispositionFilename) ? contentDispositionFilename : null;
this._queuedChunks = queuedChunks || [];
+ this._loaded = 0;
+
+ for (const chunk of this._queuedChunks) {
+ this._loaded += chunk.byteLength;
+ }
+
this._requests = [];
this._headersReady = Promise.resolve();
stream._fullRequestReader = this;
this.onProgress = null;
}
- PDFDataTransportStreamReader.prototype = {
- _enqueue: function PDFDataTransportStreamReader_enqueue(chunk) {
- if (this._done) {
- return;
- }
- if (this._requests.length > 0) {
- var requestCapability = this._requests.shift();
- requestCapability.resolve({
- value: chunk,
- done: false
- });
- return;
- }
- this._queuedChunks.push(chunk);
- },
- get headersReady() {
- return this._headersReady;
- },
- get isRangeSupported() {
- return this._stream._isRangeSupported;
- },
- get isStreamingSupported() {
- return this._stream._isStreamingSupported;
- },
- get contentLength() {
- return this._stream._contentLength;
- },
- read: function PDFDataTransportStreamReader_read() {
- if (this._queuedChunks.length > 0) {
- var chunk = this._queuedChunks.shift();
- return Promise.resolve({
- value: chunk,
- done: false
- });
- }
- if (this._done) {
- return Promise.resolve({
- value: undefined,
- done: true
- });
- }
- var requestCapability = (0, _util.createPromiseCapability)();
- this._requests.push(requestCapability);
- return requestCapability.promise;
- },
- cancel: function PDFDataTransportStreamReader_cancel(reason) {
- this._done = true;
- this._requests.forEach(function (requestCapability) {
- requestCapability.resolve({
- value: undefined,
- done: true
- });
- });
- this._requests = [];
+
+ _enqueue(chunk) {
+ if (this._done) {
+ return;
}
- };
- function PDFDataTransportStreamRangeReader(stream, begin, end) {
+
+ if (this._requests.length > 0) {
+ const requestCapability = this._requests.shift();
+
+ requestCapability.resolve({
+ value: chunk,
+ done: false
+ });
+ } else {
+ this._queuedChunks.push(chunk);
+ }
+
+ this._loaded += chunk.byteLength;
+ }
+
+ get headersReady() {
+ return this._headersReady;
+ }
+
+ get filename() {
+ return this._filename;
+ }
+
+ get isRangeSupported() {
+ return this._stream._isRangeSupported;
+ }
+
+ get isStreamingSupported() {
+ return this._stream._isStreamingSupported;
+ }
+
+ get contentLength() {
+ return this._stream._contentLength;
+ }
+
+ async read() {
+ if (this._queuedChunks.length > 0) {
+ const chunk = this._queuedChunks.shift();
+
+ return {
+ value: chunk,
+ done: false
+ };
+ }
+
+ if (this._done) {
+ return {
+ value: undefined,
+ done: true
+ };
+ }
+
+ const requestCapability = (0, _util.createPromiseCapability)();
+
+ this._requests.push(requestCapability);
+
+ return requestCapability.promise;
+ }
+
+ cancel(reason) {
+ this._done = true;
+
+ for (const requestCapability of this._requests) {
+ requestCapability.resolve({
+ value: undefined,
+ done: true
+ });
+ }
+
+ this._requests.length = 0;
+ }
+
+ progressiveDone() {
+ if (this._done) {
+ return;
+ }
+
+ this._done = true;
+ }
+
+}
+
+class PDFDataTransportStreamRangeReader {
+ constructor(stream, begin, end) {
this._stream = stream;
this._begin = begin;
this._end = end;
@@ -12262,1661 +10584,9190 @@ var PDFDataTransportStream = function PDFDataTransportStreamClosure() {
this._done = false;
this.onProgress = null;
}
- PDFDataTransportStreamRangeReader.prototype = {
- _enqueue: function PDFDataTransportStreamRangeReader_enqueue(chunk) {
- if (this._done) {
- return;
- }
- if (this._requests.length === 0) {
- this._queuedChunk = chunk;
- } else {
- var requestsCapability = this._requests.shift();
- requestsCapability.resolve({
- value: chunk,
- done: false
- });
- this._requests.forEach(function (requestCapability) {
- requestCapability.resolve({
- value: undefined,
- done: true
- });
- });
- this._requests = [];
- }
- this._done = true;
- this._stream._removeRangeReader(this);
- },
- get isStreamingSupported() {
- return false;
- },
- read: function PDFDataTransportStreamRangeReader_read() {
- if (this._queuedChunk) {
- var chunk = this._queuedChunk;
- this._queuedChunk = null;
- return Promise.resolve({
- value: chunk,
- done: false
- });
- }
- if (this._done) {
- return Promise.resolve({
- value: undefined,
- done: true
- });
- }
- var requestCapability = (0, _util.createPromiseCapability)();
- this._requests.push(requestCapability);
- return requestCapability.promise;
- },
- cancel: function PDFDataTransportStreamRangeReader_cancel(reason) {
- this._done = true;
- this._requests.forEach(function (requestCapability) {
+
+ _enqueue(chunk) {
+ if (this._done) {
+ return;
+ }
+
+ if (this._requests.length === 0) {
+ this._queuedChunk = chunk;
+ } else {
+ const requestsCapability = this._requests.shift();
+
+ requestsCapability.resolve({
+ value: chunk,
+ done: false
+ });
+
+ for (const requestCapability of this._requests) {
requestCapability.resolve({
value: undefined,
done: true
});
- });
- this._requests = [];
- this._stream._removeRangeReader(this);
+ }
+
+ this._requests.length = 0;
}
- };
- return PDFDataTransportStream;
-}();
-exports.PDFDataTransportStream = PDFDataTransportStream;
-/***/ }),
-/* 15 */
-/***/ (function(module, exports, __w_pdfjs_require__) {
+ this._done = true;
-"use strict";
-
-
-var pdfjsVersion = '1.9.426';
-var pdfjsBuild = '2558a58d';
-var pdfjsSharedUtil = __w_pdfjs_require__(0);
-var pdfjsDisplayGlobal = __w_pdfjs_require__(8);
-var pdfjsDisplayAPI = __w_pdfjs_require__(2);
-var pdfjsDisplayTextLayer = __w_pdfjs_require__(5);
-var pdfjsDisplayAnnotationLayer = __w_pdfjs_require__(3);
-var pdfjsDisplayDOMUtils = __w_pdfjs_require__(1);
-var pdfjsDisplaySVG = __w_pdfjs_require__(4);
-{
- __w_pdfjs_require__(9);
-}
-exports.PDFJS = pdfjsDisplayGlobal.PDFJS;
-exports.build = pdfjsDisplayAPI.build;
-exports.version = pdfjsDisplayAPI.version;
-exports.getDocument = pdfjsDisplayAPI.getDocument;
-exports.LoopbackPort = pdfjsDisplayAPI.LoopbackPort;
-exports.PDFDataRangeTransport = pdfjsDisplayAPI.PDFDataRangeTransport;
-exports.PDFWorker = pdfjsDisplayAPI.PDFWorker;
-exports.renderTextLayer = pdfjsDisplayTextLayer.renderTextLayer;
-exports.AnnotationLayer = pdfjsDisplayAnnotationLayer.AnnotationLayer;
-exports.CustomStyle = pdfjsDisplayDOMUtils.CustomStyle;
-exports.createPromiseCapability = pdfjsSharedUtil.createPromiseCapability;
-exports.PasswordResponses = pdfjsSharedUtil.PasswordResponses;
-exports.InvalidPDFException = pdfjsSharedUtil.InvalidPDFException;
-exports.MissingPDFException = pdfjsSharedUtil.MissingPDFException;
-exports.SVGGraphics = pdfjsDisplaySVG.SVGGraphics;
-exports.NativeImageDecoding = pdfjsSharedUtil.NativeImageDecoding;
-exports.UnexpectedResponseException = pdfjsSharedUtil.UnexpectedResponseException;
-exports.OPS = pdfjsSharedUtil.OPS;
-exports.UNSUPPORTED_FEATURES = pdfjsSharedUtil.UNSUPPORTED_FEATURES;
-exports.isValidUrl = pdfjsDisplayDOMUtils.isValidUrl;
-exports.createValidAbsoluteUrl = pdfjsSharedUtil.createValidAbsoluteUrl;
-exports.createObjectURL = pdfjsSharedUtil.createObjectURL;
-exports.removeNullCharacters = pdfjsSharedUtil.removeNullCharacters;
-exports.shadow = pdfjsSharedUtil.shadow;
-exports.createBlob = pdfjsSharedUtil.createBlob;
-exports.RenderingCancelledException = pdfjsDisplayDOMUtils.RenderingCancelledException;
-exports.getFilenameFromUrl = pdfjsDisplayDOMUtils.getFilenameFromUrl;
-exports.addLinkAttributes = pdfjsDisplayDOMUtils.addLinkAttributes;
-exports.StatTimer = pdfjsSharedUtil.StatTimer;
-
-/***/ }),
-/* 16 */
-/***/ (function(module, exports, __w_pdfjs_require__) {
-
-"use strict";
-
-
-var _typeof = typeof Symbol === "function" && typeof Symbol.iterator === "symbol" ? function (obj) { return typeof obj; } : function (obj) { return obj && typeof Symbol === "function" && obj.constructor === Symbol && obj !== Symbol.prototype ? "symbol" : typeof obj; };
-
-if (typeof PDFJS === 'undefined' || !PDFJS.compatibilityChecked) {
- var globalScope = typeof window !== 'undefined' && window.Math === Math ? window : typeof global !== 'undefined' && global.Math === Math ? global : typeof self !== 'undefined' && self.Math === Math ? self : false ? undefined : {};
- var userAgent = typeof navigator !== 'undefined' && navigator.userAgent || '';
- var isAndroid = /Android/.test(userAgent);
- var isAndroidPre3 = /Android\s[0-2][^\d]/.test(userAgent);
- var isAndroidPre5 = /Android\s[0-4][^\d]/.test(userAgent);
- var isChrome = userAgent.indexOf('Chrom') >= 0;
- var isChromeWithRangeBug = /Chrome\/(39|40)\./.test(userAgent);
- var isIOSChrome = userAgent.indexOf('CriOS') >= 0;
- var isIE = userAgent.indexOf('Trident') >= 0;
- var isIOS = /\b(iPad|iPhone|iPod)(?=;)/.test(userAgent);
- var isOpera = userAgent.indexOf('Opera') >= 0;
- var isSafari = /Safari\//.test(userAgent) && !/(Chrome\/|Android\s)/.test(userAgent);
- var hasDOM = (typeof window === 'undefined' ? 'undefined' : _typeof(window)) === 'object' && (typeof document === 'undefined' ? 'undefined' : _typeof(document)) === 'object';
- if (typeof PDFJS === 'undefined') {
- globalScope.PDFJS = {};
+ this._stream._removeRangeReader(this);
}
- PDFJS.compatibilityChecked = true;
- (function checkTypedArrayCompatibility() {
- if (typeof Uint8Array !== 'undefined') {
- if (typeof Uint8Array.prototype.subarray === 'undefined') {
- Uint8Array.prototype.subarray = function subarray(start, end) {
- return new Uint8Array(this.slice(start, end));
- };
- Float32Array.prototype.subarray = function subarray(start, end) {
- return new Float32Array(this.slice(start, end));
- };
- }
- if (typeof Float64Array === 'undefined') {
- globalScope.Float64Array = Float32Array;
- }
- return;
- }
- function subarray(start, end) {
- return new TypedArray(this.slice(start, end));
- }
- function setArrayOffset(array, offset) {
- if (arguments.length < 2) {
- offset = 0;
- }
- for (var i = 0, n = array.length; i < n; ++i, ++offset) {
- this[offset] = array[i] & 0xFF;
- }
- }
- function Uint32ArrayView(buffer, length) {
- this.buffer = buffer;
- this.byteLength = buffer.length;
- this.length = length;
- ensureUint32ArrayViewProps(this.length);
- }
- Uint32ArrayView.prototype = Object.create(null);
- var uint32ArrayViewSetters = 0;
- function createUint32ArrayProp(index) {
+
+ get isStreamingSupported() {
+ return false;
+ }
+
+ async read() {
+ if (this._queuedChunk) {
+ const chunk = this._queuedChunk;
+ this._queuedChunk = null;
return {
- get: function get() {
- var buffer = this.buffer,
- offset = index << 2;
- return (buffer[offset] | buffer[offset + 1] << 8 | buffer[offset + 2] << 16 | buffer[offset + 3] << 24) >>> 0;
- },
- set: function set(value) {
- var buffer = this.buffer,
- offset = index << 2;
- buffer[offset] = value & 255;
- buffer[offset + 1] = value >> 8 & 255;
- buffer[offset + 2] = value >> 16 & 255;
- buffer[offset + 3] = value >>> 24 & 255;
- }
+ value: chunk,
+ done: false
};
}
- function ensureUint32ArrayViewProps(length) {
- while (uint32ArrayViewSetters < length) {
- Object.defineProperty(Uint32ArrayView.prototype, uint32ArrayViewSetters, createUint32ArrayProp(uint32ArrayViewSetters));
- uint32ArrayViewSetters++;
- }
+
+ if (this._done) {
+ return {
+ value: undefined,
+ done: true
+ };
}
- function TypedArray(arg1) {
- var result, i, n;
- if (typeof arg1 === 'number') {
- result = [];
- for (i = 0; i < arg1; ++i) {
- result[i] = 0;
- }
- } else if ('slice' in arg1) {
- result = arg1.slice(0);
- } else {
- result = [];
- for (i = 0, n = arg1.length; i < n; ++i) {
- result[i] = arg1[i];
- }
- }
- result.subarray = subarray;
- result.buffer = result;
- result.byteLength = result.length;
- result.set = setArrayOffset;
- if ((typeof arg1 === 'undefined' ? 'undefined' : _typeof(arg1)) === 'object' && arg1.buffer) {
- result.buffer = arg1.buffer;
- }
- return result;
+
+ const requestCapability = (0, _util.createPromiseCapability)();
+
+ this._requests.push(requestCapability);
+
+ return requestCapability.promise;
+ }
+
+ cancel(reason) {
+ this._done = true;
+
+ for (const requestCapability of this._requests) {
+ requestCapability.resolve({
+ value: undefined,
+ done: true
+ });
}
- globalScope.Uint8Array = TypedArray;
- globalScope.Int8Array = TypedArray;
- globalScope.Int32Array = TypedArray;
- globalScope.Uint16Array = TypedArray;
- globalScope.Float32Array = TypedArray;
- globalScope.Float64Array = TypedArray;
- globalScope.Uint32Array = function () {
- if (arguments.length === 3) {
- if (arguments[1] !== 0) {
- throw new Error('offset !== 0 is not supported');
- }
- return new Uint32ArrayView(arguments[0], arguments[2]);
- }
- return TypedArray.apply(this, arguments);
+
+ this._requests.length = 0;
+
+ this._stream._removeRangeReader(this);
+ }
+
+}
+
+/***/ }),
+/* 20 */
+/***/ ((__unused_webpack_module, exports) => {
+
+
+
+Object.defineProperty(exports, "__esModule", ({
+ value: true
+}));
+exports.XfaText = void 0;
+
+class XfaText {
+ static textContent(xfa) {
+ const items = [];
+ const output = {
+ items,
+ styles: Object.create(null)
};
- })();
- (function canvasPixelArrayBuffer() {
- if (!hasDOM || !window.CanvasPixelArray) {
- return;
- }
- var cpaProto = window.CanvasPixelArray.prototype;
- if ('buffer' in cpaProto) {
- return;
- }
- Object.defineProperty(cpaProto, 'buffer', {
- get: function get() {
- return this;
- },
- enumerable: false,
- configurable: true
- });
- Object.defineProperty(cpaProto, 'byteLength', {
- get: function get() {
- return this.length;
- },
-
- enumerable: false,
- configurable: true
- });
- })();
- (function normalizeURLObject() {
- if (!globalScope.URL) {
- globalScope.URL = globalScope.webkitURL;
- }
- })();
- (function checkObjectDefinePropertyCompatibility() {
- if (typeof Object.defineProperty !== 'undefined') {
- var definePropertyPossible = true;
- try {
- if (hasDOM) {
- Object.defineProperty(new Image(), 'id', { value: 'test' });
- }
- var Test = function Test() {};
- Test.prototype = {
- get id() {}
- };
- Object.defineProperty(new Test(), 'id', {
- value: '',
- configurable: true,
- enumerable: true,
- writable: false
- });
- } catch (e) {
- definePropertyPossible = false;
- }
- if (definePropertyPossible) {
+ function walk(node) {
+ if (!node) {
return;
}
- }
- Object.defineProperty = function objectDefineProperty(obj, name, def) {
- delete obj[name];
- if ('get' in def) {
- obj.__defineGetter__(name, def['get']);
+
+ let str = null;
+ const name = node.name;
+
+ if (name === "#text") {
+ str = node.value;
+ } else if (!XfaText.shouldBuildText(name)) {
+ return;
+ } else if (node?.attributes?.textContent) {
+ str = node.attributes.textContent;
+ } else if (node.value) {
+ str = node.value;
}
- if ('set' in def) {
- obj.__defineSetter__(name, def['set']);
- }
- if ('value' in def) {
- obj.__defineSetter__(name, function objectDefinePropertySetter(value) {
- this.__defineGetter__(name, function objectDefinePropertyGetter() {
- return value;
- });
- return value;
+
+ if (str !== null) {
+ items.push({
+ str
});
- obj[name] = def.value;
}
- };
- })();
- (function checkXMLHttpRequestResponseCompatibility() {
- if (typeof XMLHttpRequest === 'undefined') {
- return;
- }
- var xhrPrototype = XMLHttpRequest.prototype;
- var xhr = new XMLHttpRequest();
- if (!('overrideMimeType' in xhr)) {
- Object.defineProperty(xhrPrototype, 'overrideMimeType', {
- value: function xmlHttpRequestOverrideMimeType(mimeType) {}
- });
- }
- if ('responseType' in xhr) {
- return;
- }
- Object.defineProperty(xhrPrototype, 'responseType', {
- get: function xmlHttpRequestGetResponseType() {
- return this._responseType || 'text';
- },
- set: function xmlHttpRequestSetResponseType(value) {
- if (value === 'text' || value === 'arraybuffer') {
- this._responseType = value;
- if (value === 'arraybuffer' && typeof this.overrideMimeType === 'function') {
- this.overrideMimeType('text/plain; charset=x-user-defined');
- }
- }
+
+ if (!node.children) {
+ return;
}
+
+ for (const child of node.children) {
+ walk(child);
+ }
+ }
+
+ walk(xfa);
+ return output;
+ }
+
+ static shouldBuildText(name) {
+ return !(name === "textarea" || name === "input" || name === "option" || name === "select");
+ }
+
+}
+
+exports.XfaText = XfaText;
+
+/***/ }),
+/* 21 */
+/***/ ((__unused_webpack_module, exports, __w_pdfjs_require__) => {
+
+
+
+Object.defineProperty(exports, "__esModule", ({
+ value: true
+}));
+exports.NodeStandardFontDataFactory = exports.NodeCanvasFactory = exports.NodeCMapReaderFactory = void 0;
+
+var _base_factory = __w_pdfjs_require__(9);
+
+;
+
+const fetchData = function (url) {
+ return new Promise((resolve, reject) => {
+ const fs = require("fs");
+
+ fs.readFile(url, (error, data) => {
+ if (error || !data) {
+ reject(new Error(error));
+ return;
+ }
+
+ resolve(new Uint8Array(data));
});
- if (typeof VBArray !== 'undefined') {
- Object.defineProperty(xhrPrototype, 'response', {
- get: function xmlHttpRequestResponseGet() {
- if (this.responseType === 'arraybuffer') {
- return new Uint8Array(new VBArray(this.responseBody).toArray());
- }
- return this.responseText;
- }
- });
- return;
- }
- Object.defineProperty(xhrPrototype, 'response', {
- get: function xmlHttpRequestResponseGet() {
- if (this.responseType !== 'arraybuffer') {
- return this.responseText;
- }
- var text = this.responseText;
- var i,
- n = text.length;
- var result = new Uint8Array(n);
- for (i = 0; i < n; ++i) {
- result[i] = text.charCodeAt(i) & 0xFF;
- }
- return result.buffer;
- }
- });
- })();
- (function checkWindowBtoaCompatibility() {
- if ('btoa' in globalScope) {
- return;
- }
- var digits = 'ABCDEFGHIJKLMNOPQRSTUVWXYZabcdefghijklmnopqrstuvwxyz0123456789+/=';
- globalScope.btoa = function (chars) {
- var buffer = '';
- var i, n;
- for (i = 0, n = chars.length; i < n; i += 3) {
- var b1 = chars.charCodeAt(i) & 0xFF;
- var b2 = chars.charCodeAt(i + 1) & 0xFF;
- var b3 = chars.charCodeAt(i + 2) & 0xFF;
- var d1 = b1 >> 2,
- d2 = (b1 & 3) << 4 | b2 >> 4;
- var d3 = i + 1 < n ? (b2 & 0xF) << 2 | b3 >> 6 : 64;
- var d4 = i + 2 < n ? b3 & 0x3F : 64;
- buffer += digits.charAt(d1) + digits.charAt(d2) + digits.charAt(d3) + digits.charAt(d4);
- }
- return buffer;
- };
- })();
- (function checkWindowAtobCompatibility() {
- if ('atob' in globalScope) {
- return;
- }
- var digits = 'ABCDEFGHIJKLMNOPQRSTUVWXYZabcdefghijklmnopqrstuvwxyz0123456789+/=';
- globalScope.atob = function (input) {
- input = input.replace(/=+$/, '');
- if (input.length % 4 === 1) {
- throw new Error('bad atob input');
- }
- for (var bc = 0, bs, buffer, idx = 0, output = ''; buffer = input.charAt(idx++); ~buffer && (bs = bc % 4 ? bs * 64 + buffer : buffer, bc++ % 4) ? output += String.fromCharCode(255 & bs >> (-2 * bc & 6)) : 0) {
- buffer = digits.indexOf(buffer);
- }
- return output;
- };
- })();
- (function checkFunctionPrototypeBindCompatibility() {
- if (typeof Function.prototype.bind !== 'undefined') {
- return;
- }
- Function.prototype.bind = function functionPrototypeBind(obj) {
- var fn = this,
- headArgs = Array.prototype.slice.call(arguments, 1);
- var bound = function functionPrototypeBindBound() {
- var args = headArgs.concat(Array.prototype.slice.call(arguments));
- return fn.apply(obj, args);
+ });
+};
+
+class NodeCanvasFactory extends _base_factory.BaseCanvasFactory {
+ _createCanvas(width, height) {
+ const Canvas = require("canvas");
+
+ return Canvas.createCanvas(width, height);
+ }
+
+}
+
+exports.NodeCanvasFactory = NodeCanvasFactory;
+
+class NodeCMapReaderFactory extends _base_factory.BaseCMapReaderFactory {
+ _fetchData(url, compressionType) {
+ return fetchData(url).then(data => {
+ return {
+ cMapData: data,
+ compressionType
};
- return bound;
- };
- })();
- (function checkDatasetProperty() {
- if (!hasDOM) {
+ });
+ }
+
+}
+
+exports.NodeCMapReaderFactory = NodeCMapReaderFactory;
+
+class NodeStandardFontDataFactory extends _base_factory.BaseStandardFontDataFactory {
+ _fetchData(url) {
+ return fetchData(url);
+ }
+
+}
+
+exports.NodeStandardFontDataFactory = NodeStandardFontDataFactory;
+
+/***/ }),
+/* 22 */
+/***/ ((__unused_webpack_module, exports, __w_pdfjs_require__) => {
+
+
+
+Object.defineProperty(exports, "__esModule", ({
+ value: true
+}));
+exports.AnnotationEditorLayer = void 0;
+
+var _tools = __w_pdfjs_require__(7);
+
+var _util = __w_pdfjs_require__(1);
+
+var _freetext = __w_pdfjs_require__(23);
+
+var _ink = __w_pdfjs_require__(24);
+
+class AnnotationEditorLayer {
+ #accessibilityManager;
+ #allowClick = false;
+ #boundPointerup = this.pointerup.bind(this);
+ #boundPointerdown = this.pointerdown.bind(this);
+ #editors = new Map();
+ #hadPointerDown = false;
+ #isCleaningUp = false;
+ #uiManager;
+ static _initialized = false;
+
+ constructor(options) {
+ if (!AnnotationEditorLayer._initialized) {
+ AnnotationEditorLayer._initialized = true;
+
+ _freetext.FreeTextEditor.initialize(options.l10n);
+
+ _ink.InkEditor.initialize(options.l10n);
+
+ options.uiManager.registerEditorTypes([_freetext.FreeTextEditor, _ink.InkEditor]);
+ }
+
+ this.#uiManager = options.uiManager;
+ this.annotationStorage = options.annotationStorage;
+ this.pageIndex = options.pageIndex;
+ this.div = options.div;
+ this.#accessibilityManager = options.accessibilityManager;
+ this.#uiManager.addLayer(this);
+ }
+
+ updateToolbar(mode) {
+ this.#uiManager.updateToolbar(mode);
+ }
+
+ updateMode(mode = this.#uiManager.getMode()) {
+ this.#cleanup();
+
+ if (mode === _util.AnnotationEditorType.INK) {
+ this.addInkEditorIfNeeded(false);
+ this.disableClick();
+ } else {
+ this.enableClick();
+ }
+
+ this.#uiManager.unselectAll();
+ }
+
+ addInkEditorIfNeeded(isCommitting) {
+ if (!isCommitting && this.#uiManager.getMode() !== _util.AnnotationEditorType.INK) {
return;
}
- var div = document.createElement('div');
- if ('dataset' in div) {
- return;
- }
- Object.defineProperty(HTMLElement.prototype, 'dataset', {
- get: function get() {
- if (this._dataset) {
- return this._dataset;
+
+ if (!isCommitting) {
+ for (const editor of this.#editors.values()) {
+ if (editor.isEmpty()) {
+ editor.setInBackground();
+ return;
}
- var dataset = {};
- for (var j = 0, jj = this.attributes.length; j < jj; j++) {
- var attribute = this.attributes[j];
- if (attribute.name.substring(0, 5) !== 'data-') {
+ }
+ }
+
+ const editor = this.#createAndAddNewEditor({
+ offsetX: 0,
+ offsetY: 0
+ });
+ editor.setInBackground();
+ }
+
+ setEditingState(isEditing) {
+ this.#uiManager.setEditingState(isEditing);
+ }
+
+ addCommands(params) {
+ this.#uiManager.addCommands(params);
+ }
+
+ enable() {
+ this.div.style.pointerEvents = "auto";
+
+ for (const editor of this.#editors.values()) {
+ editor.enableEditing();
+ }
+ }
+
+ disable() {
+ this.div.style.pointerEvents = "none";
+
+ for (const editor of this.#editors.values()) {
+ editor.disableEditing();
+ }
+ }
+
+ setActiveEditor(editor) {
+ const currentActive = this.#uiManager.getActive();
+
+ if (currentActive === editor) {
+ return;
+ }
+
+ this.#uiManager.setActiveEditor(editor);
+ }
+
+ enableClick() {
+ this.div.addEventListener("pointerdown", this.#boundPointerdown);
+ this.div.addEventListener("pointerup", this.#boundPointerup);
+ }
+
+ disableClick() {
+ this.div.removeEventListener("pointerdown", this.#boundPointerdown);
+ this.div.removeEventListener("pointerup", this.#boundPointerup);
+ }
+
+ attach(editor) {
+ this.#editors.set(editor.id, editor);
+ }
+
+ detach(editor) {
+ this.#editors.delete(editor.id);
+ this.#accessibilityManager?.removePointerInTextLayer(editor.contentDiv);
+ }
+
+ remove(editor) {
+ this.#uiManager.removeEditor(editor);
+ this.detach(editor);
+ this.annotationStorage.remove(editor.id);
+ editor.div.style.display = "none";
+ setTimeout(() => {
+ editor.div.style.display = "";
+ editor.div.remove();
+ editor.isAttachedToDOM = false;
+
+ if (document.activeElement === document.body) {
+ this.#uiManager.focusMainContainer();
+ }
+ }, 0);
+
+ if (!this.#isCleaningUp) {
+ this.addInkEditorIfNeeded(false);
+ }
+ }
+
+ #changeParent(editor) {
+ if (editor.parent === this) {
+ return;
+ }
+
+ this.attach(editor);
+ editor.pageIndex = this.pageIndex;
+ editor.parent?.detach(editor);
+ editor.parent = this;
+
+ if (editor.div && editor.isAttachedToDOM) {
+ editor.div.remove();
+ this.div.append(editor.div);
+ }
+ }
+
+ add(editor) {
+ this.#changeParent(editor);
+ this.#uiManager.addEditor(editor);
+ this.attach(editor);
+
+ if (!editor.isAttachedToDOM) {
+ const div = editor.render();
+ this.div.append(div);
+ editor.isAttachedToDOM = true;
+ }
+
+ this.moveEditorInDOM(editor);
+ editor.onceAdded();
+ this.addToAnnotationStorage(editor);
+ }
+
+ moveEditorInDOM(editor) {
+ this.#accessibilityManager?.moveElementInDOM(this.div, editor.div, editor.contentDiv, true);
+ }
+
+ addToAnnotationStorage(editor) {
+ if (!editor.isEmpty() && !this.annotationStorage.has(editor.id)) {
+ this.annotationStorage.setValue(editor.id, editor);
+ }
+ }
+
+ addOrRebuild(editor) {
+ if (editor.needsToBeRebuilt()) {
+ editor.rebuild();
+ } else {
+ this.add(editor);
+ }
+ }
+
+ addANewEditor(editor) {
+ const cmd = () => {
+ this.addOrRebuild(editor);
+ };
+
+ const undo = () => {
+ editor.remove();
+ };
+
+ this.addCommands({
+ cmd,
+ undo,
+ mustExec: true
+ });
+ }
+
+ addUndoableEditor(editor) {
+ const cmd = () => {
+ this.addOrRebuild(editor);
+ };
+
+ const undo = () => {
+ editor.remove();
+ };
+
+ this.addCommands({
+ cmd,
+ undo,
+ mustExec: false
+ });
+ }
+
+ getNextId() {
+ return this.#uiManager.getId();
+ }
+
+ #createNewEditor(params) {
+ switch (this.#uiManager.getMode()) {
+ case _util.AnnotationEditorType.FREETEXT:
+ return new _freetext.FreeTextEditor(params);
+
+ case _util.AnnotationEditorType.INK:
+ return new _ink.InkEditor(params);
+ }
+
+ return null;
+ }
+
+ deserialize(data) {
+ switch (data.annotationType) {
+ case _util.AnnotationEditorType.FREETEXT:
+ return _freetext.FreeTextEditor.deserialize(data, this);
+
+ case _util.AnnotationEditorType.INK:
+ return _ink.InkEditor.deserialize(data, this);
+ }
+
+ return null;
+ }
+
+ #createAndAddNewEditor(event) {
+ const id = this.getNextId();
+ const editor = this.#createNewEditor({
+ parent: this,
+ id,
+ x: event.offsetX,
+ y: event.offsetY
+ });
+
+ if (editor) {
+ this.add(editor);
+ }
+
+ return editor;
+ }
+
+ setSelected(editor) {
+ this.#uiManager.setSelected(editor);
+ }
+
+ toggleSelected(editor) {
+ this.#uiManager.toggleSelected(editor);
+ }
+
+ isSelected(editor) {
+ return this.#uiManager.isSelected(editor);
+ }
+
+ unselect(editor) {
+ this.#uiManager.unselect(editor);
+ }
+
+ pointerup(event) {
+ const isMac = _tools.KeyboardManager.platform.isMac;
+
+ if (event.button !== 0 || event.ctrlKey && isMac) {
+ return;
+ }
+
+ if (event.target !== this.div) {
+ return;
+ }
+
+ if (!this.#hadPointerDown) {
+ return;
+ }
+
+ this.#hadPointerDown = false;
+
+ if (!this.#allowClick) {
+ this.#allowClick = true;
+ return;
+ }
+
+ this.#createAndAddNewEditor(event);
+ }
+
+ pointerdown(event) {
+ const isMac = _tools.KeyboardManager.platform.isMac;
+
+ if (event.button !== 0 || event.ctrlKey && isMac) {
+ return;
+ }
+
+ if (event.target !== this.div) {
+ return;
+ }
+
+ this.#hadPointerDown = true;
+ const editor = this.#uiManager.getActive();
+ this.#allowClick = !editor || editor.isEmpty();
+ }
+
+ drop(event) {
+ const id = event.dataTransfer.getData("text/plain");
+ const editor = this.#uiManager.getEditor(id);
+
+ if (!editor) {
+ return;
+ }
+
+ event.preventDefault();
+ event.dataTransfer.dropEffect = "move";
+ this.#changeParent(editor);
+ const rect = this.div.getBoundingClientRect();
+ const endX = event.clientX - rect.x;
+ const endY = event.clientY - rect.y;
+ editor.translate(endX - editor.startX, endY - editor.startY);
+ this.moveEditorInDOM(editor);
+ editor.div.focus();
+ }
+
+ dragover(event) {
+ event.preventDefault();
+ }
+
+ destroy() {
+ if (this.#uiManager.getActive()?.parent === this) {
+ this.#uiManager.setActiveEditor(null);
+ }
+
+ for (const editor of this.#editors.values()) {
+ this.#accessibilityManager?.removePointerInTextLayer(editor.contentDiv);
+ editor.isAttachedToDOM = false;
+ editor.div.remove();
+ editor.parent = null;
+ }
+
+ this.div = null;
+ this.#editors.clear();
+ this.#uiManager.removeLayer(this);
+ }
+
+ #cleanup() {
+ this.#isCleaningUp = true;
+
+ for (const editor of this.#editors.values()) {
+ if (editor.isEmpty()) {
+ editor.remove();
+ }
+ }
+
+ this.#isCleaningUp = false;
+ }
+
+ render(parameters) {
+ this.viewport = parameters.viewport;
+ (0, _tools.bindEvents)(this, this.div, ["dragover", "drop"]);
+ this.setDimensions();
+
+ for (const editor of this.#uiManager.getEditors(this.pageIndex)) {
+ this.add(editor);
+ }
+
+ this.updateMode();
+ }
+
+ update(parameters) {
+ this.viewport = parameters.viewport;
+ this.setDimensions();
+ this.updateMode();
+ }
+
+ get scaleFactor() {
+ return this.viewport.scale;
+ }
+
+ get pageDimensions() {
+ const [pageLLx, pageLLy, pageURx, pageURy] = this.viewport.viewBox;
+ const width = pageURx - pageLLx;
+ const height = pageURy - pageLLy;
+ return [width, height];
+ }
+
+ get viewportBaseDimensions() {
+ const {
+ width,
+ height,
+ rotation
+ } = this.viewport;
+ return rotation % 180 === 0 ? [width, height] : [height, width];
+ }
+
+ setDimensions() {
+ const {
+ width,
+ height,
+ rotation
+ } = this.viewport;
+ const flipOrientation = rotation % 180 !== 0,
+ widthStr = Math.floor(width) + "px",
+ heightStr = Math.floor(height) + "px";
+ this.div.style.width = flipOrientation ? heightStr : widthStr;
+ this.div.style.height = flipOrientation ? widthStr : heightStr;
+ this.div.setAttribute("data-main-rotation", rotation);
+ }
+
+}
+
+exports.AnnotationEditorLayer = AnnotationEditorLayer;
+
+/***/ }),
+/* 23 */
+/***/ ((__unused_webpack_module, exports, __w_pdfjs_require__) => {
+
+
+
+Object.defineProperty(exports, "__esModule", ({
+ value: true
+}));
+exports.FreeTextEditor = void 0;
+
+var _util = __w_pdfjs_require__(1);
+
+var _tools = __w_pdfjs_require__(7);
+
+var _editor = __w_pdfjs_require__(6);
+
+class FreeTextEditor extends _editor.AnnotationEditor {
+ #boundEditorDivBlur = this.editorDivBlur.bind(this);
+ #boundEditorDivFocus = this.editorDivFocus.bind(this);
+ #boundEditorDivKeydown = this.editorDivKeydown.bind(this);
+ #color;
+ #content = "";
+ #hasAlreadyBeenCommitted = false;
+ #fontSize;
+ static _freeTextDefaultContent = "";
+ static _l10nPromise;
+ static _internalPadding = 0;
+ static _defaultColor = null;
+ static _defaultFontSize = 10;
+ static _keyboardManager = new _tools.KeyboardManager([[["ctrl+Enter", "mac+meta+Enter", "Escape", "mac+Escape"], FreeTextEditor.prototype.commitOrRemove]]);
+ static _type = "freetext";
+
+ constructor(params) {
+ super({ ...params,
+ name: "freeTextEditor"
+ });
+ this.#color = params.color || FreeTextEditor._defaultColor || _editor.AnnotationEditor._defaultLineColor;
+ this.#fontSize = params.fontSize || FreeTextEditor._defaultFontSize;
+ }
+
+ static initialize(l10n) {
+ this._l10nPromise = new Map(["free_text_default_content", "editor_free_text_aria_label"].map(str => [str, l10n.get(str)]));
+ const style = getComputedStyle(document.documentElement);
+ this._internalPadding = parseFloat(style.getPropertyValue("--freetext-padding"));
+ }
+
+ static updateDefaultParams(type, value) {
+ switch (type) {
+ case _util.AnnotationEditorParamsType.FREETEXT_SIZE:
+ FreeTextEditor._defaultFontSize = value;
+ break;
+
+ case _util.AnnotationEditorParamsType.FREETEXT_COLOR:
+ FreeTextEditor._defaultColor = value;
+ break;
+ }
+ }
+
+ updateParams(type, value) {
+ switch (type) {
+ case _util.AnnotationEditorParamsType.FREETEXT_SIZE:
+ this.#updateFontSize(value);
+ break;
+
+ case _util.AnnotationEditorParamsType.FREETEXT_COLOR:
+ this.#updateColor(value);
+ break;
+ }
+ }
+
+ static get defaultPropertiesToUpdate() {
+ return [[_util.AnnotationEditorParamsType.FREETEXT_SIZE, FreeTextEditor._defaultFontSize], [_util.AnnotationEditorParamsType.FREETEXT_COLOR, FreeTextEditor._defaultColor || _editor.AnnotationEditor._defaultLineColor]];
+ }
+
+ get propertiesToUpdate() {
+ return [[_util.AnnotationEditorParamsType.FREETEXT_SIZE, this.#fontSize], [_util.AnnotationEditorParamsType.FREETEXT_COLOR, this.#color]];
+ }
+
+ #updateFontSize(fontSize) {
+ const setFontsize = size => {
+ this.editorDiv.style.fontSize = `calc(${size}px * var(--scale-factor))`;
+ this.translate(0, -(size - this.#fontSize) * this.parent.scaleFactor);
+ this.#fontSize = size;
+ this.#setEditorDimensions();
+ };
+
+ const savedFontsize = this.#fontSize;
+ this.parent.addCommands({
+ cmd: () => {
+ setFontsize(fontSize);
+ },
+ undo: () => {
+ setFontsize(savedFontsize);
+ },
+ mustExec: true,
+ type: _util.AnnotationEditorParamsType.FREETEXT_SIZE,
+ overwriteIfSameType: true,
+ keepUndo: true
+ });
+ }
+
+ #updateColor(color) {
+ const savedColor = this.#color;
+ this.parent.addCommands({
+ cmd: () => {
+ this.#color = color;
+ this.editorDiv.style.color = color;
+ },
+ undo: () => {
+ this.#color = savedColor;
+ this.editorDiv.style.color = savedColor;
+ },
+ mustExec: true,
+ type: _util.AnnotationEditorParamsType.FREETEXT_COLOR,
+ overwriteIfSameType: true,
+ keepUndo: true
+ });
+ }
+
+ getInitialTranslation() {
+ return [-FreeTextEditor._internalPadding * this.parent.scaleFactor, -(FreeTextEditor._internalPadding + this.#fontSize) * this.parent.scaleFactor];
+ }
+
+ rebuild() {
+ super.rebuild();
+
+ if (this.div === null) {
+ return;
+ }
+
+ if (!this.isAttachedToDOM) {
+ this.parent.add(this);
+ }
+ }
+
+ enableEditMode() {
+ if (this.isInEditMode()) {
+ return;
+ }
+
+ this.parent.setEditingState(false);
+ this.parent.updateToolbar(_util.AnnotationEditorType.FREETEXT);
+ super.enableEditMode();
+ this.enableEditing();
+ this.overlayDiv.classList.remove("enabled");
+ this.editorDiv.contentEditable = true;
+ this.div.draggable = false;
+ this.editorDiv.addEventListener("keydown", this.#boundEditorDivKeydown);
+ this.editorDiv.addEventListener("focus", this.#boundEditorDivFocus);
+ this.editorDiv.addEventListener("blur", this.#boundEditorDivBlur);
+ }
+
+ disableEditMode() {
+ if (!this.isInEditMode()) {
+ return;
+ }
+
+ this.parent.setEditingState(true);
+ super.disableEditMode();
+ this.disableEditing();
+ this.overlayDiv.classList.add("enabled");
+ this.editorDiv.contentEditable = false;
+ this.div.draggable = true;
+ this.editorDiv.removeEventListener("keydown", this.#boundEditorDivKeydown);
+ this.editorDiv.removeEventListener("focus", this.#boundEditorDivFocus);
+ this.editorDiv.removeEventListener("blur", this.#boundEditorDivBlur);
+ this.div.focus();
+ this.isEditing = false;
+ }
+
+ focusin(event) {
+ super.focusin(event);
+
+ if (event.target !== this.editorDiv) {
+ this.editorDiv.focus();
+ }
+ }
+
+ onceAdded() {
+ if (this.width) {
+ return;
+ }
+
+ this.enableEditMode();
+ this.editorDiv.focus();
+ }
+
+ isEmpty() {
+ return !this.editorDiv || this.editorDiv.innerText.trim() === "";
+ }
+
+ remove() {
+ this.isEditing = false;
+ this.parent.setEditingState(true);
+ super.remove();
+ }
+
+ #extractText() {
+ const divs = this.editorDiv.getElementsByTagName("div");
+
+ if (divs.length === 0) {
+ return this.editorDiv.innerText;
+ }
+
+ const buffer = [];
+
+ for (let i = 0, ii = divs.length; i < ii; i++) {
+ const div = divs[i];
+ const first = div.firstChild;
+
+ if (first?.nodeName === "#text") {
+ buffer.push(first.data);
+ } else {
+ buffer.push("");
+ }
+ }
+
+ return buffer.join("\n");
+ }
+
+ #setEditorDimensions() {
+ const [parentWidth, parentHeight] = this.parent.viewportBaseDimensions;
+ const rect = this.div.getBoundingClientRect();
+ this.width = rect.width / parentWidth;
+ this.height = rect.height / parentHeight;
+ }
+
+ commit() {
+ super.commit();
+
+ if (!this.#hasAlreadyBeenCommitted) {
+ this.#hasAlreadyBeenCommitted = true;
+ this.parent.addUndoableEditor(this);
+ }
+
+ this.disableEditMode();
+ this.#content = this.#extractText().trimEnd();
+ this.#setEditorDimensions();
+ }
+
+ shouldGetKeyboardEvents() {
+ return this.isInEditMode();
+ }
+
+ dblclick(event) {
+ this.enableEditMode();
+ this.editorDiv.focus();
+ }
+
+ keydown(event) {
+ if (event.target === this.div && event.key === "Enter") {
+ this.enableEditMode();
+ this.editorDiv.focus();
+ }
+ }
+
+ editorDivKeydown(event) {
+ FreeTextEditor._keyboardManager.exec(this, event);
+ }
+
+ editorDivFocus(event) {
+ this.isEditing = true;
+ }
+
+ editorDivBlur(event) {
+ this.isEditing = false;
+ }
+
+ disableEditing() {
+ this.editorDiv.setAttribute("role", "comment");
+ this.editorDiv.removeAttribute("aria-multiline");
+ }
+
+ enableEditing() {
+ this.editorDiv.setAttribute("role", "textbox");
+ this.editorDiv.setAttribute("aria-multiline", true);
+ }
+
+ render() {
+ if (this.div) {
+ return this.div;
+ }
+
+ let baseX, baseY;
+
+ if (this.width) {
+ baseX = this.x;
+ baseY = this.y;
+ }
+
+ super.render();
+ this.editorDiv = document.createElement("div");
+ this.editorDiv.className = "internal";
+ this.editorDiv.setAttribute("id", `${this.id}-editor`);
+ this.enableEditing();
+
+ FreeTextEditor._l10nPromise.get("editor_free_text_aria_label").then(msg => this.editorDiv?.setAttribute("aria-label", msg));
+
+ FreeTextEditor._l10nPromise.get("free_text_default_content").then(msg => this.editorDiv?.setAttribute("default-content", msg));
+
+ this.editorDiv.contentEditable = true;
+ const {
+ style
+ } = this.editorDiv;
+ style.fontSize = `calc(${this.#fontSize}px * var(--scale-factor))`;
+ style.color = this.#color;
+ this.div.append(this.editorDiv);
+ this.overlayDiv = document.createElement("div");
+ this.overlayDiv.classList.add("overlay", "enabled");
+ this.div.append(this.overlayDiv);
+ (0, _tools.bindEvents)(this, this.div, ["dblclick", "keydown"]);
+
+ if (this.width) {
+ const [parentWidth, parentHeight] = this.parent.viewportBaseDimensions;
+ this.setAt(baseX * parentWidth, baseY * parentHeight, this.width * parentWidth, this.height * parentHeight);
+
+ for (const line of this.#content.split("\n")) {
+ const div = document.createElement("div");
+ div.append(line ? document.createTextNode(line) : document.createElement("br"));
+ this.editorDiv.append(div);
+ }
+
+ this.div.draggable = true;
+ this.editorDiv.contentEditable = false;
+ } else {
+ this.div.draggable = false;
+ this.editorDiv.contentEditable = true;
+ }
+
+ return this.div;
+ }
+
+ get contentDiv() {
+ return this.editorDiv;
+ }
+
+ static deserialize(data, parent) {
+ const editor = super.deserialize(data, parent);
+ editor.#fontSize = data.fontSize;
+ editor.#color = _util.Util.makeHexColor(...data.color);
+ editor.#content = data.value;
+ return editor;
+ }
+
+ serialize() {
+ if (this.isEmpty()) {
+ return null;
+ }
+
+ const padding = FreeTextEditor._internalPadding * this.parent.scaleFactor;
+ const rect = this.getRect(padding, padding);
+
+ const color = _editor.AnnotationEditor._colorManager.convert(getComputedStyle(this.editorDiv).color);
+
+ return {
+ annotationType: _util.AnnotationEditorType.FREETEXT,
+ color,
+ fontSize: this.#fontSize,
+ value: this.#content,
+ pageIndex: this.parent.pageIndex,
+ rect,
+ rotation: this.rotation
+ };
+ }
+
+}
+
+exports.FreeTextEditor = FreeTextEditor;
+
+/***/ }),
+/* 24 */
+/***/ ((__unused_webpack_module, exports, __w_pdfjs_require__) => {
+
+
+
+Object.defineProperty(exports, "__esModule", ({
+ value: true
+}));
+exports.InkEditor = void 0;
+Object.defineProperty(exports, "fitCurve", ({
+ enumerable: true,
+ get: function () {
+ return _pdfjsFitCurve.fitCurve;
+ }
+}));
+
+var _util = __w_pdfjs_require__(1);
+
+var _editor = __w_pdfjs_require__(6);
+
+var _pdfjsFitCurve = __w_pdfjs_require__(25);
+
+var _tools = __w_pdfjs_require__(7);
+
+const RESIZER_SIZE = 16;
+
+class InkEditor extends _editor.AnnotationEditor {
+ #aspectRatio = 0;
+ #baseHeight = 0;
+ #baseWidth = 0;
+ #boundCanvasPointermove = this.canvasPointermove.bind(this);
+ #boundCanvasPointerleave = this.canvasPointerleave.bind(this);
+ #boundCanvasPointerup = this.canvasPointerup.bind(this);
+ #boundCanvasPointerdown = this.canvasPointerdown.bind(this);
+ #disableEditing = false;
+ #isCanvasInitialized = false;
+ #lastPoint = null;
+ #observer = null;
+ #realWidth = 0;
+ #realHeight = 0;
+ #requestFrameCallback = null;
+ static _defaultColor = null;
+ static _defaultOpacity = 1;
+ static _defaultThickness = 1;
+ static _l10nPromise;
+ static _type = "ink";
+
+ constructor(params) {
+ super({ ...params,
+ name: "inkEditor"
+ });
+ this.color = params.color || null;
+ this.thickness = params.thickness || null;
+ this.opacity = params.opacity || null;
+ this.paths = [];
+ this.bezierPath2D = [];
+ this.currentPath = [];
+ this.scaleFactor = 1;
+ this.translationX = this.translationY = 0;
+ this.x = 0;
+ this.y = 0;
+ }
+
+ static initialize(l10n) {
+ this._l10nPromise = new Map(["editor_ink_canvas_aria_label", "editor_ink_aria_label"].map(str => [str, l10n.get(str)]));
+ }
+
+ static updateDefaultParams(type, value) {
+ switch (type) {
+ case _util.AnnotationEditorParamsType.INK_THICKNESS:
+ InkEditor._defaultThickness = value;
+ break;
+
+ case _util.AnnotationEditorParamsType.INK_COLOR:
+ InkEditor._defaultColor = value;
+ break;
+
+ case _util.AnnotationEditorParamsType.INK_OPACITY:
+ InkEditor._defaultOpacity = value / 100;
+ break;
+ }
+ }
+
+ updateParams(type, value) {
+ switch (type) {
+ case _util.AnnotationEditorParamsType.INK_THICKNESS:
+ this.#updateThickness(value);
+ break;
+
+ case _util.AnnotationEditorParamsType.INK_COLOR:
+ this.#updateColor(value);
+ break;
+
+ case _util.AnnotationEditorParamsType.INK_OPACITY:
+ this.#updateOpacity(value);
+ break;
+ }
+ }
+
+ static get defaultPropertiesToUpdate() {
+ return [[_util.AnnotationEditorParamsType.INK_THICKNESS, InkEditor._defaultThickness], [_util.AnnotationEditorParamsType.INK_COLOR, InkEditor._defaultColor || _editor.AnnotationEditor._defaultLineColor], [_util.AnnotationEditorParamsType.INK_OPACITY, Math.round(InkEditor._defaultOpacity * 100)]];
+ }
+
+ get propertiesToUpdate() {
+ return [[_util.AnnotationEditorParamsType.INK_THICKNESS, this.thickness || InkEditor._defaultThickness], [_util.AnnotationEditorParamsType.INK_COLOR, this.color || InkEditor._defaultColor || _editor.AnnotationEditor._defaultLineColor], [_util.AnnotationEditorParamsType.INK_OPACITY, Math.round(100 * (this.opacity ?? InkEditor._defaultOpacity))]];
+ }
+
+ #updateThickness(thickness) {
+ const savedThickness = this.thickness;
+ this.parent.addCommands({
+ cmd: () => {
+ this.thickness = thickness;
+ this.#fitToContent();
+ },
+ undo: () => {
+ this.thickness = savedThickness;
+ this.#fitToContent();
+ },
+ mustExec: true,
+ type: _util.AnnotationEditorParamsType.INK_THICKNESS,
+ overwriteIfSameType: true,
+ keepUndo: true
+ });
+ }
+
+ #updateColor(color) {
+ const savedColor = this.color;
+ this.parent.addCommands({
+ cmd: () => {
+ this.color = color;
+ this.#redraw();
+ },
+ undo: () => {
+ this.color = savedColor;
+ this.#redraw();
+ },
+ mustExec: true,
+ type: _util.AnnotationEditorParamsType.INK_COLOR,
+ overwriteIfSameType: true,
+ keepUndo: true
+ });
+ }
+
+ #updateOpacity(opacity) {
+ opacity /= 100;
+ const savedOpacity = this.opacity;
+ this.parent.addCommands({
+ cmd: () => {
+ this.opacity = opacity;
+ this.#redraw();
+ },
+ undo: () => {
+ this.opacity = savedOpacity;
+ this.#redraw();
+ },
+ mustExec: true,
+ type: _util.AnnotationEditorParamsType.INK_OPACITY,
+ overwriteIfSameType: true,
+ keepUndo: true
+ });
+ }
+
+ rebuild() {
+ super.rebuild();
+
+ if (this.div === null) {
+ return;
+ }
+
+ if (!this.canvas) {
+ this.#createCanvas();
+ this.#createObserver();
+ }
+
+ if (!this.isAttachedToDOM) {
+ this.parent.add(this);
+ this.#setCanvasDims();
+ }
+
+ this.#fitToContent();
+ }
+
+ remove() {
+ if (this.canvas === null) {
+ return;
+ }
+
+ if (!this.isEmpty()) {
+ this.commit();
+ }
+
+ this.canvas.width = this.canvas.height = 0;
+ this.canvas.remove();
+ this.canvas = null;
+ this.#observer.disconnect();
+ this.#observer = null;
+ super.remove();
+ }
+
+ enableEditMode() {
+ if (this.#disableEditing || this.canvas === null) {
+ return;
+ }
+
+ super.enableEditMode();
+ this.div.draggable = false;
+ this.canvas.addEventListener("pointerdown", this.#boundCanvasPointerdown);
+ this.canvas.addEventListener("pointerup", this.#boundCanvasPointerup);
+ }
+
+ disableEditMode() {
+ if (!this.isInEditMode() || this.canvas === null) {
+ return;
+ }
+
+ super.disableEditMode();
+ this.div.draggable = !this.isEmpty();
+ this.div.classList.remove("editing");
+ this.canvas.removeEventListener("pointerdown", this.#boundCanvasPointerdown);
+ this.canvas.removeEventListener("pointerup", this.#boundCanvasPointerup);
+ }
+
+ onceAdded() {
+ this.div.draggable = !this.isEmpty();
+ }
+
+ isEmpty() {
+ return this.paths.length === 0 || this.paths.length === 1 && this.paths[0].length === 0;
+ }
+
+ #getInitialBBox() {
+ const {
+ width,
+ height,
+ rotation
+ } = this.parent.viewport;
+
+ switch (rotation) {
+ case 90:
+ return [0, width, width, height];
+
+ case 180:
+ return [width, height, width, height];
+
+ case 270:
+ return [height, 0, width, height];
+
+ default:
+ return [0, 0, width, height];
+ }
+ }
+
+ #setStroke() {
+ this.ctx.lineWidth = this.thickness * this.parent.scaleFactor / this.scaleFactor;
+ this.ctx.lineCap = "round";
+ this.ctx.lineJoin = "round";
+ this.ctx.miterLimit = 10;
+ this.ctx.strokeStyle = `${this.color}${(0, _tools.opacityToHex)(this.opacity)}`;
+ }
+
+ #startDrawing(x, y) {
+ this.isEditing = true;
+
+ if (!this.#isCanvasInitialized) {
+ this.#isCanvasInitialized = true;
+ this.#setCanvasDims();
+ this.thickness ||= InkEditor._defaultThickness;
+ this.color ||= InkEditor._defaultColor || _editor.AnnotationEditor._defaultLineColor;
+ this.opacity ??= InkEditor._defaultOpacity;
+ }
+
+ this.currentPath.push([x, y]);
+ this.#lastPoint = null;
+ this.#setStroke();
+ this.ctx.beginPath();
+ this.ctx.moveTo(x, y);
+
+ this.#requestFrameCallback = () => {
+ if (!this.#requestFrameCallback) {
+ return;
+ }
+
+ if (this.#lastPoint) {
+ if (this.isEmpty()) {
+ this.ctx.setTransform(1, 0, 0, 1, 0, 0);
+ this.ctx.clearRect(0, 0, this.canvas.width, this.canvas.height);
+ } else {
+ this.#redraw();
+ }
+
+ this.ctx.lineTo(...this.#lastPoint);
+ this.#lastPoint = null;
+ this.ctx.stroke();
+ }
+
+ window.requestAnimationFrame(this.#requestFrameCallback);
+ };
+
+ window.requestAnimationFrame(this.#requestFrameCallback);
+ }
+
+ #draw(x, y) {
+ const [lastX, lastY] = this.currentPath.at(-1);
+
+ if (x === lastX && y === lastY) {
+ return;
+ }
+
+ this.currentPath.push([x, y]);
+ this.#lastPoint = [x, y];
+ }
+
+ #stopDrawing(x, y) {
+ this.ctx.closePath();
+ this.#requestFrameCallback = null;
+ x = Math.min(Math.max(x, 0), this.canvas.width);
+ y = Math.min(Math.max(y, 0), this.canvas.height);
+ const [lastX, lastY] = this.currentPath.at(-1);
+
+ if (x !== lastX || y !== lastY) {
+ this.currentPath.push([x, y]);
+ }
+
+ let bezier;
+
+ if (this.currentPath.length !== 1) {
+ bezier = (0, _pdfjsFitCurve.fitCurve)(this.currentPath, 30, null);
+ } else {
+ const xy = [x, y];
+ bezier = [[xy, xy.slice(), xy.slice(), xy]];
+ }
+
+ const path2D = InkEditor.#buildPath2D(bezier);
+ this.currentPath.length = 0;
+
+ const cmd = () => {
+ this.paths.push(bezier);
+ this.bezierPath2D.push(path2D);
+ this.rebuild();
+ };
+
+ const undo = () => {
+ this.paths.pop();
+ this.bezierPath2D.pop();
+
+ if (this.paths.length === 0) {
+ this.remove();
+ } else {
+ if (!this.canvas) {
+ this.#createCanvas();
+ this.#createObserver();
+ }
+
+ this.#fitToContent();
+ }
+ };
+
+ this.parent.addCommands({
+ cmd,
+ undo,
+ mustExec: true
+ });
+ }
+
+ #redraw() {
+ if (this.isEmpty()) {
+ this.#updateTransform();
+ return;
+ }
+
+ this.#setStroke();
+ const {
+ canvas,
+ ctx
+ } = this;
+ ctx.setTransform(1, 0, 0, 1, 0, 0);
+ ctx.clearRect(0, 0, canvas.width, canvas.height);
+ this.#updateTransform();
+
+ for (const path of this.bezierPath2D) {
+ ctx.stroke(path);
+ }
+ }
+
+ commit() {
+ if (this.#disableEditing) {
+ return;
+ }
+
+ super.commit();
+ this.isEditing = false;
+ this.disableEditMode();
+ this.setInForeground();
+ this.#disableEditing = true;
+ this.div.classList.add("disabled");
+ this.#fitToContent(true);
+ this.parent.addInkEditorIfNeeded(true);
+ this.parent.moveEditorInDOM(this);
+ this.div.focus();
+ }
+
+ focusin(event) {
+ super.focusin(event);
+ this.enableEditMode();
+ }
+
+ canvasPointerdown(event) {
+ if (event.button !== 0 || !this.isInEditMode() || this.#disableEditing) {
+ return;
+ }
+
+ this.setInForeground();
+
+ if (event.type !== "mouse") {
+ this.div.focus();
+ }
+
+ event.stopPropagation();
+ this.canvas.addEventListener("pointerleave", this.#boundCanvasPointerleave);
+ this.canvas.addEventListener("pointermove", this.#boundCanvasPointermove);
+ this.#startDrawing(event.offsetX, event.offsetY);
+ }
+
+ canvasPointermove(event) {
+ event.stopPropagation();
+ this.#draw(event.offsetX, event.offsetY);
+ }
+
+ canvasPointerup(event) {
+ if (event.button !== 0) {
+ return;
+ }
+
+ if (this.isInEditMode() && this.currentPath.length !== 0) {
+ event.stopPropagation();
+ this.#endDrawing(event);
+ this.setInBackground();
+ }
+ }
+
+ canvasPointerleave(event) {
+ this.#endDrawing(event);
+ this.setInBackground();
+ }
+
+ #endDrawing(event) {
+ this.#stopDrawing(event.offsetX, event.offsetY);
+ this.canvas.removeEventListener("pointerleave", this.#boundCanvasPointerleave);
+ this.canvas.removeEventListener("pointermove", this.#boundCanvasPointermove);
+ this.parent.addToAnnotationStorage(this);
+ }
+
+ #createCanvas() {
+ this.canvas = document.createElement("canvas");
+ this.canvas.width = this.canvas.height = 0;
+ this.canvas.className = "inkEditorCanvas";
+
+ InkEditor._l10nPromise.get("editor_ink_canvas_aria_label").then(msg => this.canvas?.setAttribute("aria-label", msg));
+
+ this.div.append(this.canvas);
+ this.ctx = this.canvas.getContext("2d");
+ }
+
+ #createObserver() {
+ this.#observer = new ResizeObserver(entries => {
+ const rect = entries[0].contentRect;
+
+ if (rect.width && rect.height) {
+ this.setDimensions(rect.width, rect.height);
+ }
+ });
+ this.#observer.observe(this.div);
+ }
+
+ render() {
+ if (this.div) {
+ return this.div;
+ }
+
+ let baseX, baseY;
+
+ if (this.width) {
+ baseX = this.x;
+ baseY = this.y;
+ }
+
+ super.render();
+
+ InkEditor._l10nPromise.get("editor_ink_aria_label").then(msg => this.div?.setAttribute("aria-label", msg));
+
+ const [x, y, w, h] = this.#getInitialBBox();
+ this.setAt(x, y, 0, 0);
+ this.setDims(w, h);
+ this.#createCanvas();
+
+ if (this.width) {
+ const [parentWidth, parentHeight] = this.parent.viewportBaseDimensions;
+ this.setAt(baseX * parentWidth, baseY * parentHeight, this.width * parentWidth, this.height * parentHeight);
+ this.#isCanvasInitialized = true;
+ this.#setCanvasDims();
+ this.setDims(this.width * parentWidth, this.height * parentHeight);
+ this.#redraw();
+ this.#setMinDims();
+ this.div.classList.add("disabled");
+ } else {
+ this.div.classList.add("editing");
+ this.enableEditMode();
+ }
+
+ this.#createObserver();
+ return this.div;
+ }
+
+ #setCanvasDims() {
+ if (!this.#isCanvasInitialized) {
+ return;
+ }
+
+ const [parentWidth, parentHeight] = this.parent.viewportBaseDimensions;
+ this.canvas.width = Math.ceil(this.width * parentWidth);
+ this.canvas.height = Math.ceil(this.height * parentHeight);
+ this.#updateTransform();
+ }
+
+ setDimensions(width, height) {
+ const roundedWidth = Math.round(width);
+ const roundedHeight = Math.round(height);
+
+ if (this.#realWidth === roundedWidth && this.#realHeight === roundedHeight) {
+ return;
+ }
+
+ this.#realWidth = roundedWidth;
+ this.#realHeight = roundedHeight;
+ this.canvas.style.visibility = "hidden";
+
+ if (this.#aspectRatio && Math.abs(this.#aspectRatio - width / height) > 1e-2) {
+ height = Math.ceil(width / this.#aspectRatio);
+ this.setDims(width, height);
+ }
+
+ const [parentWidth, parentHeight] = this.parent.viewportBaseDimensions;
+ this.width = width / parentWidth;
+ this.height = height / parentHeight;
+
+ if (this.#disableEditing) {
+ this.#setScaleFactor(width, height);
+ }
+
+ this.#setCanvasDims();
+ this.#redraw();
+ this.canvas.style.visibility = "visible";
+ }
+
+ #setScaleFactor(width, height) {
+ const padding = this.#getPadding();
+ const scaleFactorW = (width - padding) / this.#baseWidth;
+ const scaleFactorH = (height - padding) / this.#baseHeight;
+ this.scaleFactor = Math.min(scaleFactorW, scaleFactorH);
+ }
+
+ #updateTransform() {
+ const padding = this.#getPadding() / 2;
+ this.ctx.setTransform(this.scaleFactor, 0, 0, this.scaleFactor, this.translationX * this.scaleFactor + padding, this.translationY * this.scaleFactor + padding);
+ }
+
+ static #buildPath2D(bezier) {
+ const path2D = new Path2D();
+
+ for (let i = 0, ii = bezier.length; i < ii; i++) {
+ const [first, control1, control2, second] = bezier[i];
+
+ if (i === 0) {
+ path2D.moveTo(...first);
+ }
+
+ path2D.bezierCurveTo(control1[0], control1[1], control2[0], control2[1], second[0], second[1]);
+ }
+
+ return path2D;
+ }
+
+ #serializePaths(s, tx, ty, h) {
+ const NUMBER_OF_POINTS_ON_BEZIER_CURVE = 4;
+ const paths = [];
+ const padding = this.thickness / 2;
+ let buffer, points;
+
+ for (const bezier of this.paths) {
+ buffer = [];
+ points = [];
+
+ for (let i = 0, ii = bezier.length; i < ii; i++) {
+ const [first, control1, control2, second] = bezier[i];
+ const p10 = s * (first[0] + tx) + padding;
+ const p11 = h - s * (first[1] + ty) - padding;
+ const p20 = s * (control1[0] + tx) + padding;
+ const p21 = h - s * (control1[1] + ty) - padding;
+ const p30 = s * (control2[0] + tx) + padding;
+ const p31 = h - s * (control2[1] + ty) - padding;
+ const p40 = s * (second[0] + tx) + padding;
+ const p41 = h - s * (second[1] + ty) - padding;
+
+ if (i === 0) {
+ buffer.push(p10, p11);
+ points.push(p10, p11);
+ }
+
+ buffer.push(p20, p21, p30, p31, p40, p41);
+ this.#extractPointsOnBezier(p10, p11, p20, p21, p30, p31, p40, p41, NUMBER_OF_POINTS_ON_BEZIER_CURVE, points);
+ }
+
+ paths.push({
+ bezier: buffer,
+ points
+ });
+ }
+
+ return paths;
+ }
+
+ #extractPointsOnBezier(p10, p11, p20, p21, p30, p31, p40, p41, n, points) {
+ if (this.#isAlmostFlat(p10, p11, p20, p21, p30, p31, p40, p41)) {
+ points.push(p40, p41);
+ return;
+ }
+
+ for (let i = 1; i < n - 1; i++) {
+ const t = i / n;
+ const mt = 1 - t;
+ let q10 = t * p10 + mt * p20;
+ let q11 = t * p11 + mt * p21;
+ let q20 = t * p20 + mt * p30;
+ let q21 = t * p21 + mt * p31;
+ const q30 = t * p30 + mt * p40;
+ const q31 = t * p31 + mt * p41;
+ q10 = t * q10 + mt * q20;
+ q11 = t * q11 + mt * q21;
+ q20 = t * q20 + mt * q30;
+ q21 = t * q21 + mt * q31;
+ q10 = t * q10 + mt * q20;
+ q11 = t * q11 + mt * q21;
+ points.push(q10, q11);
+ }
+
+ points.push(p40, p41);
+ }
+
+ #isAlmostFlat(p10, p11, p20, p21, p30, p31, p40, p41) {
+ const tol = 10;
+ const ax = (3 * p20 - 2 * p10 - p40) ** 2;
+ const ay = (3 * p21 - 2 * p11 - p41) ** 2;
+ const bx = (3 * p30 - p10 - 2 * p40) ** 2;
+ const by = (3 * p31 - p11 - 2 * p41) ** 2;
+ return Math.max(ax, bx) + Math.max(ay, by) <= tol;
+ }
+
+ #getBbox() {
+ let xMin = Infinity;
+ let xMax = -Infinity;
+ let yMin = Infinity;
+ let yMax = -Infinity;
+
+ for (const path of this.paths) {
+ for (const [first, control1, control2, second] of path) {
+ const bbox = _util.Util.bezierBoundingBox(...first, ...control1, ...control2, ...second);
+
+ xMin = Math.min(xMin, bbox[0]);
+ yMin = Math.min(yMin, bbox[1]);
+ xMax = Math.max(xMax, bbox[2]);
+ yMax = Math.max(yMax, bbox[3]);
+ }
+ }
+
+ return [xMin, yMin, xMax, yMax];
+ }
+
+ #getPadding() {
+ return this.#disableEditing ? Math.ceil(this.thickness * this.parent.scaleFactor) : 0;
+ }
+
+ #fitToContent(firstTime = false) {
+ if (this.isEmpty()) {
+ return;
+ }
+
+ if (!this.#disableEditing) {
+ this.#redraw();
+ return;
+ }
+
+ const bbox = this.#getBbox();
+ const padding = this.#getPadding();
+ this.#baseWidth = Math.max(RESIZER_SIZE, bbox[2] - bbox[0]);
+ this.#baseHeight = Math.max(RESIZER_SIZE, bbox[3] - bbox[1]);
+ const width = Math.ceil(padding + this.#baseWidth * this.scaleFactor);
+ const height = Math.ceil(padding + this.#baseHeight * this.scaleFactor);
+ const [parentWidth, parentHeight] = this.parent.viewportBaseDimensions;
+ this.width = width / parentWidth;
+ this.height = height / parentHeight;
+ this.#aspectRatio = width / height;
+ this.#setMinDims();
+ const prevTranslationX = this.translationX;
+ const prevTranslationY = this.translationY;
+ this.translationX = -bbox[0];
+ this.translationY = -bbox[1];
+ this.#setCanvasDims();
+ this.#redraw();
+ this.#realWidth = width;
+ this.#realHeight = height;
+ this.setDims(width, height);
+ const unscaledPadding = firstTime ? padding / this.scaleFactor / 2 : 0;
+ this.translate(prevTranslationX - this.translationX - unscaledPadding, prevTranslationY - this.translationY - unscaledPadding);
+ }
+
+ #setMinDims() {
+ const {
+ style
+ } = this.div;
+
+ if (this.#aspectRatio >= 1) {
+ style.minHeight = `${RESIZER_SIZE}px`;
+ style.minWidth = `${Math.round(this.#aspectRatio * RESIZER_SIZE)}px`;
+ } else {
+ style.minWidth = `${RESIZER_SIZE}px`;
+ style.minHeight = `${Math.round(RESIZER_SIZE / this.#aspectRatio)}px`;
+ }
+ }
+
+ static deserialize(data, parent) {
+ const editor = super.deserialize(data, parent);
+ editor.thickness = data.thickness;
+ editor.color = _util.Util.makeHexColor(...data.color);
+ editor.opacity = data.opacity;
+ const [pageWidth, pageHeight] = parent.pageDimensions;
+ const width = editor.width * pageWidth;
+ const height = editor.height * pageHeight;
+ const scaleFactor = parent.scaleFactor;
+ const padding = data.thickness / 2;
+ editor.#aspectRatio = width / height;
+ editor.#disableEditing = true;
+ editor.#realWidth = Math.round(width);
+ editor.#realHeight = Math.round(height);
+
+ for (const {
+ bezier
+ } of data.paths) {
+ const path = [];
+ editor.paths.push(path);
+ let p0 = scaleFactor * (bezier[0] - padding);
+ let p1 = scaleFactor * (height - bezier[1] - padding);
+
+ for (let i = 2, ii = bezier.length; i < ii; i += 6) {
+ const p10 = scaleFactor * (bezier[i] - padding);
+ const p11 = scaleFactor * (height - bezier[i + 1] - padding);
+ const p20 = scaleFactor * (bezier[i + 2] - padding);
+ const p21 = scaleFactor * (height - bezier[i + 3] - padding);
+ const p30 = scaleFactor * (bezier[i + 4] - padding);
+ const p31 = scaleFactor * (height - bezier[i + 5] - padding);
+ path.push([[p0, p1], [p10, p11], [p20, p21], [p30, p31]]);
+ p0 = p30;
+ p1 = p31;
+ }
+
+ const path2D = this.#buildPath2D(path);
+ editor.bezierPath2D.push(path2D);
+ }
+
+ const bbox = editor.#getBbox();
+ editor.#baseWidth = Math.max(RESIZER_SIZE, bbox[2] - bbox[0]);
+ editor.#baseHeight = Math.max(RESIZER_SIZE, bbox[3] - bbox[1]);
+ editor.#setScaleFactor(width, height);
+ return editor;
+ }
+
+ serialize() {
+ if (this.isEmpty()) {
+ return null;
+ }
+
+ const rect = this.getRect(0, 0);
+ const height = this.rotation % 180 === 0 ? rect[3] - rect[1] : rect[2] - rect[0];
+
+ const color = _editor.AnnotationEditor._colorManager.convert(this.ctx.strokeStyle);
+
+ return {
+ annotationType: _util.AnnotationEditorType.INK,
+ color,
+ thickness: this.thickness,
+ opacity: this.opacity,
+ paths: this.#serializePaths(this.scaleFactor / this.parent.scaleFactor, this.translationX, this.translationY, height),
+ pageIndex: this.parent.pageIndex,
+ rect,
+ rotation: this.rotation
+ };
+ }
+
+}
+
+exports.InkEditor = InkEditor;
+
+/***/ }),
+/* 25 */
+/***/ ((__unused_webpack_module, exports, __w_pdfjs_require__) => {
+
+
+
+Object.defineProperty(exports, "__esModule", ({
+ value: true
+}));
+exports.fitCurve = void 0;
+
+const fitCurve = __w_pdfjs_require__(26);
+
+exports.fitCurve = fitCurve;
+
+/***/ }),
+/* 26 */
+/***/ ((module) => {
+
+
+
+function fitCurve(points, maxError, progressCallback) {
+ if (!Array.isArray(points)) {
+ throw new TypeError("First argument should be an array");
+ }
+
+ points.forEach(point => {
+ if (!Array.isArray(point) || point.some(item => typeof item !== 'number') || point.length !== points[0].length) {
+ throw Error("Each point should be an array of numbers. Each point should have the same amount of numbers.");
+ }
+ });
+ points = points.filter((point, i) => i === 0 || !point.every((val, j) => val === points[i - 1][j]));
+
+ if (points.length < 2) {
+ return [];
+ }
+
+ const len = points.length;
+ const leftTangent = createTangent(points[1], points[0]);
+ const rightTangent = createTangent(points[len - 2], points[len - 1]);
+ return fitCubic(points, leftTangent, rightTangent, maxError, progressCallback);
+}
+
+function fitCubic(points, leftTangent, rightTangent, error, progressCallback) {
+ const MaxIterations = 20;
+ var bezCurve, u, uPrime, maxError, prevErr, splitPoint, prevSplit, centerVector, toCenterTangent, fromCenterTangent, beziers, dist, i;
+
+ if (points.length === 2) {
+ dist = maths.vectorLen(maths.subtract(points[0], points[1])) / 3.0;
+ bezCurve = [points[0], maths.addArrays(points[0], maths.mulItems(leftTangent, dist)), maths.addArrays(points[1], maths.mulItems(rightTangent, dist)), points[1]];
+ return [bezCurve];
+ }
+
+ u = chordLengthParameterize(points);
+ [bezCurve, maxError, splitPoint] = generateAndReport(points, u, u, leftTangent, rightTangent, progressCallback);
+
+ if (maxError === 0 || maxError < error) {
+ return [bezCurve];
+ }
+
+ if (maxError < error * error) {
+ uPrime = u;
+ prevErr = maxError;
+ prevSplit = splitPoint;
+
+ for (i = 0; i < MaxIterations; i++) {
+ uPrime = reparameterize(bezCurve, points, uPrime);
+ [bezCurve, maxError, splitPoint] = generateAndReport(points, u, uPrime, leftTangent, rightTangent, progressCallback);
+
+ if (maxError < error) {
+ return [bezCurve];
+ } else if (splitPoint === prevSplit) {
+ let errChange = maxError / prevErr;
+
+ if (errChange > .9999 && errChange < 1.0001) {
+ break;
+ }
+ }
+
+ prevErr = maxError;
+ prevSplit = splitPoint;
+ }
+ }
+
+ beziers = [];
+ centerVector = maths.subtract(points[splitPoint - 1], points[splitPoint + 1]);
+
+ if (centerVector.every(val => val === 0)) {
+ centerVector = maths.subtract(points[splitPoint - 1], points[splitPoint]);
+ [centerVector[0], centerVector[1]] = [-centerVector[1], centerVector[0]];
+ }
+
+ toCenterTangent = maths.normalize(centerVector);
+ fromCenterTangent = maths.mulItems(toCenterTangent, -1);
+ beziers = beziers.concat(fitCubic(points.slice(0, splitPoint + 1), leftTangent, toCenterTangent, error, progressCallback));
+ beziers = beziers.concat(fitCubic(points.slice(splitPoint), fromCenterTangent, rightTangent, error, progressCallback));
+ return beziers;
+}
+
+;
+
+function generateAndReport(points, paramsOrig, paramsPrime, leftTangent, rightTangent, progressCallback) {
+ var bezCurve, maxError, splitPoint;
+ bezCurve = generateBezier(points, paramsPrime, leftTangent, rightTangent, progressCallback);
+ [maxError, splitPoint] = computeMaxError(points, bezCurve, paramsOrig);
+
+ if (progressCallback) {
+ progressCallback({
+ bez: bezCurve,
+ points: points,
+ params: paramsOrig,
+ maxErr: maxError,
+ maxPoint: splitPoint
+ });
+ }
+
+ return [bezCurve, maxError, splitPoint];
+}
+
+function generateBezier(points, parameters, leftTangent, rightTangent) {
+ var bezCurve,
+ A,
+ a,
+ C,
+ X,
+ det_C0_C1,
+ det_C0_X,
+ det_X_C1,
+ alpha_l,
+ alpha_r,
+ epsilon,
+ segLength,
+ i,
+ len,
+ tmp,
+ u,
+ ux,
+ firstPoint = points[0],
+ lastPoint = points[points.length - 1];
+ bezCurve = [firstPoint, null, null, lastPoint];
+ A = maths.zeros_Xx2x2(parameters.length);
+
+ for (i = 0, len = parameters.length; i < len; i++) {
+ u = parameters[i];
+ ux = 1 - u;
+ a = A[i];
+ a[0] = maths.mulItems(leftTangent, 3 * u * (ux * ux));
+ a[1] = maths.mulItems(rightTangent, 3 * ux * (u * u));
+ }
+
+ C = [[0, 0], [0, 0]];
+ X = [0, 0];
+
+ for (i = 0, len = points.length; i < len; i++) {
+ u = parameters[i];
+ a = A[i];
+ C[0][0] += maths.dot(a[0], a[0]);
+ C[0][1] += maths.dot(a[0], a[1]);
+ C[1][0] += maths.dot(a[0], a[1]);
+ C[1][1] += maths.dot(a[1], a[1]);
+ tmp = maths.subtract(points[i], bezier.q([firstPoint, firstPoint, lastPoint, lastPoint], u));
+ X[0] += maths.dot(a[0], tmp);
+ X[1] += maths.dot(a[1], tmp);
+ }
+
+ det_C0_C1 = C[0][0] * C[1][1] - C[1][0] * C[0][1];
+ det_C0_X = C[0][0] * X[1] - C[1][0] * X[0];
+ det_X_C1 = X[0] * C[1][1] - X[1] * C[0][1];
+ alpha_l = det_C0_C1 === 0 ? 0 : det_X_C1 / det_C0_C1;
+ alpha_r = det_C0_C1 === 0 ? 0 : det_C0_X / det_C0_C1;
+ segLength = maths.vectorLen(maths.subtract(firstPoint, lastPoint));
+ epsilon = 1.0e-6 * segLength;
+
+ if (alpha_l < epsilon || alpha_r < epsilon) {
+ bezCurve[1] = maths.addArrays(firstPoint, maths.mulItems(leftTangent, segLength / 3.0));
+ bezCurve[2] = maths.addArrays(lastPoint, maths.mulItems(rightTangent, segLength / 3.0));
+ } else {
+ bezCurve[1] = maths.addArrays(firstPoint, maths.mulItems(leftTangent, alpha_l));
+ bezCurve[2] = maths.addArrays(lastPoint, maths.mulItems(rightTangent, alpha_r));
+ }
+
+ return bezCurve;
+}
+
+;
+
+function reparameterize(bezier, points, parameters) {
+ return parameters.map((p, i) => newtonRaphsonRootFind(bezier, points[i], p));
+}
+
+;
+
+function newtonRaphsonRootFind(bez, point, u) {
+ var d = maths.subtract(bezier.q(bez, u), point),
+ qprime = bezier.qprime(bez, u),
+ numerator = maths.mulMatrix(d, qprime),
+ denominator = maths.sum(maths.squareItems(qprime)) + 2 * maths.mulMatrix(d, bezier.qprimeprime(bez, u));
+
+ if (denominator === 0) {
+ return u;
+ } else {
+ return u - numerator / denominator;
+ }
+}
+
+;
+
+function chordLengthParameterize(points) {
+ var u = [],
+ currU,
+ prevU,
+ prevP;
+ points.forEach((p, i) => {
+ currU = i ? prevU + maths.vectorLen(maths.subtract(p, prevP)) : 0;
+ u.push(currU);
+ prevU = currU;
+ prevP = p;
+ });
+ u = u.map(x => x / prevU);
+ return u;
+}
+
+;
+
+function computeMaxError(points, bez, parameters) {
+ var dist, maxDist, splitPoint, v, i, count, point, t;
+ maxDist = 0;
+ splitPoint = Math.floor(points.length / 2);
+ const t_distMap = mapTtoRelativeDistances(bez, 10);
+
+ for (i = 0, count = points.length; i < count; i++) {
+ point = points[i];
+ t = find_t(bez, parameters[i], t_distMap, 10);
+ v = maths.subtract(bezier.q(bez, t), point);
+ dist = v[0] * v[0] + v[1] * v[1];
+
+ if (dist > maxDist) {
+ maxDist = dist;
+ splitPoint = i;
+ }
+ }
+
+ return [maxDist, splitPoint];
+}
+
+;
+
+var mapTtoRelativeDistances = function (bez, B_parts) {
+ var B_t_curr;
+ var B_t_dist = [0];
+ var B_t_prev = bez[0];
+ var sumLen = 0;
+
+ for (var i = 1; i <= B_parts; i++) {
+ B_t_curr = bezier.q(bez, i / B_parts);
+ sumLen += maths.vectorLen(maths.subtract(B_t_curr, B_t_prev));
+ B_t_dist.push(sumLen);
+ B_t_prev = B_t_curr;
+ }
+
+ B_t_dist = B_t_dist.map(x => x / sumLen);
+ return B_t_dist;
+};
+
+function find_t(bez, param, t_distMap, B_parts) {
+ if (param < 0) {
+ return 0;
+ }
+
+ if (param > 1) {
+ return 1;
+ }
+
+ var lenMax, lenMin, tMax, tMin, t;
+
+ for (var i = 1; i <= B_parts; i++) {
+ if (param <= t_distMap[i]) {
+ tMin = (i - 1) / B_parts;
+ tMax = i / B_parts;
+ lenMin = t_distMap[i - 1];
+ lenMax = t_distMap[i];
+ t = (param - lenMin) / (lenMax - lenMin) * (tMax - tMin) + tMin;
+ break;
+ }
+ }
+
+ return t;
+}
+
+function createTangent(pointA, pointB) {
+ return maths.normalize(maths.subtract(pointA, pointB));
+}
+
+class maths {
+ static zeros_Xx2x2(x) {
+ var zs = [];
+
+ while (x--) {
+ zs.push([0, 0]);
+ }
+
+ return zs;
+ }
+
+ static mulItems(items, multiplier) {
+ return items.map(x => x * multiplier);
+ }
+
+ static mulMatrix(m1, m2) {
+ return m1.reduce((sum, x1, i) => sum + x1 * m2[i], 0);
+ }
+
+ static subtract(arr1, arr2) {
+ return arr1.map((x1, i) => x1 - arr2[i]);
+ }
+
+ static addArrays(arr1, arr2) {
+ return arr1.map((x1, i) => x1 + arr2[i]);
+ }
+
+ static addItems(items, addition) {
+ return items.map(x => x + addition);
+ }
+
+ static sum(items) {
+ return items.reduce((sum, x) => sum + x);
+ }
+
+ static dot(m1, m2) {
+ return maths.mulMatrix(m1, m2);
+ }
+
+ static vectorLen(v) {
+ return Math.hypot(...v);
+ }
+
+ static divItems(items, divisor) {
+ return items.map(x => x / divisor);
+ }
+
+ static squareItems(items) {
+ return items.map(x => x * x);
+ }
+
+ static normalize(v) {
+ return this.divItems(v, this.vectorLen(v));
+ }
+
+}
+
+class bezier {
+ static q(ctrlPoly, t) {
+ var tx = 1.0 - t;
+ var pA = maths.mulItems(ctrlPoly[0], tx * tx * tx),
+ pB = maths.mulItems(ctrlPoly[1], 3 * tx * tx * t),
+ pC = maths.mulItems(ctrlPoly[2], 3 * tx * t * t),
+ pD = maths.mulItems(ctrlPoly[3], t * t * t);
+ return maths.addArrays(maths.addArrays(pA, pB), maths.addArrays(pC, pD));
+ }
+
+ static qprime(ctrlPoly, t) {
+ var tx = 1.0 - t;
+ var pA = maths.mulItems(maths.subtract(ctrlPoly[1], ctrlPoly[0]), 3 * tx * tx),
+ pB = maths.mulItems(maths.subtract(ctrlPoly[2], ctrlPoly[1]), 6 * tx * t),
+ pC = maths.mulItems(maths.subtract(ctrlPoly[3], ctrlPoly[2]), 3 * t * t);
+ return maths.addArrays(maths.addArrays(pA, pB), pC);
+ }
+
+ static qprimeprime(ctrlPoly, t) {
+ return maths.addArrays(maths.mulItems(maths.addArrays(maths.subtract(ctrlPoly[2], maths.mulItems(ctrlPoly[1], 2)), ctrlPoly[0]), 6 * (1.0 - t)), maths.mulItems(maths.addArrays(maths.subtract(ctrlPoly[3], maths.mulItems(ctrlPoly[2], 2)), ctrlPoly[1]), 6 * t));
+ }
+
+}
+
+module.exports = fitCurve;
+module.exports.fitCubic = fitCubic;
+module.exports.createTangent = createTangent;
+
+/***/ }),
+/* 27 */
+/***/ ((__unused_webpack_module, exports, __w_pdfjs_require__) => {
+
+
+
+Object.defineProperty(exports, "__esModule", ({
+ value: true
+}));
+exports.AnnotationLayer = void 0;
+
+var _util = __w_pdfjs_require__(1);
+
+var _display_utils = __w_pdfjs_require__(8);
+
+var _annotation_storage = __w_pdfjs_require__(5);
+
+var _scripting_utils = __w_pdfjs_require__(28);
+
+var _xfa_layer = __w_pdfjs_require__(29);
+
+const DEFAULT_TAB_INDEX = 1000;
+const DEFAULT_FONT_SIZE = 9;
+const GetElementsByNameSet = new WeakSet();
+
+function getRectDims(rect) {
+ return {
+ width: rect[2] - rect[0],
+ height: rect[3] - rect[1]
+ };
+}
+
+class AnnotationElementFactory {
+ static create(parameters) {
+ const subtype = parameters.data.annotationType;
+
+ switch (subtype) {
+ case _util.AnnotationType.LINK:
+ return new LinkAnnotationElement(parameters);
+
+ case _util.AnnotationType.TEXT:
+ return new TextAnnotationElement(parameters);
+
+ case _util.AnnotationType.WIDGET:
+ const fieldType = parameters.data.fieldType;
+
+ switch (fieldType) {
+ case "Tx":
+ return new TextWidgetAnnotationElement(parameters);
+
+ case "Btn":
+ if (parameters.data.radioButton) {
+ return new RadioButtonWidgetAnnotationElement(parameters);
+ } else if (parameters.data.checkBox) {
+ return new CheckboxWidgetAnnotationElement(parameters);
+ }
+
+ return new PushButtonWidgetAnnotationElement(parameters);
+
+ case "Ch":
+ return new ChoiceWidgetAnnotationElement(parameters);
+ }
+
+ return new WidgetAnnotationElement(parameters);
+
+ case _util.AnnotationType.POPUP:
+ return new PopupAnnotationElement(parameters);
+
+ case _util.AnnotationType.FREETEXT:
+ return new FreeTextAnnotationElement(parameters);
+
+ case _util.AnnotationType.LINE:
+ return new LineAnnotationElement(parameters);
+
+ case _util.AnnotationType.SQUARE:
+ return new SquareAnnotationElement(parameters);
+
+ case _util.AnnotationType.CIRCLE:
+ return new CircleAnnotationElement(parameters);
+
+ case _util.AnnotationType.POLYLINE:
+ return new PolylineAnnotationElement(parameters);
+
+ case _util.AnnotationType.CARET:
+ return new CaretAnnotationElement(parameters);
+
+ case _util.AnnotationType.INK:
+ return new InkAnnotationElement(parameters);
+
+ case _util.AnnotationType.POLYGON:
+ return new PolygonAnnotationElement(parameters);
+
+ case _util.AnnotationType.HIGHLIGHT:
+ return new HighlightAnnotationElement(parameters);
+
+ case _util.AnnotationType.UNDERLINE:
+ return new UnderlineAnnotationElement(parameters);
+
+ case _util.AnnotationType.SQUIGGLY:
+ return new SquigglyAnnotationElement(parameters);
+
+ case _util.AnnotationType.STRIKEOUT:
+ return new StrikeOutAnnotationElement(parameters);
+
+ case _util.AnnotationType.STAMP:
+ return new StampAnnotationElement(parameters);
+
+ case _util.AnnotationType.FILEATTACHMENT:
+ return new FileAttachmentAnnotationElement(parameters);
+
+ default:
+ return new AnnotationElement(parameters);
+ }
+ }
+
+}
+
+class AnnotationElement {
+ constructor(parameters, {
+ isRenderable = false,
+ ignoreBorder = false,
+ createQuadrilaterals = false
+ } = {}) {
+ this.isRenderable = isRenderable;
+ this.data = parameters.data;
+ this.layer = parameters.layer;
+ this.page = parameters.page;
+ this.viewport = parameters.viewport;
+ this.linkService = parameters.linkService;
+ this.downloadManager = parameters.downloadManager;
+ this.imageResourcesPath = parameters.imageResourcesPath;
+ this.renderForms = parameters.renderForms;
+ this.svgFactory = parameters.svgFactory;
+ this.annotationStorage = parameters.annotationStorage;
+ this.enableScripting = parameters.enableScripting;
+ this.hasJSActions = parameters.hasJSActions;
+ this._fieldObjects = parameters.fieldObjects;
+ this._mouseState = parameters.mouseState;
+
+ if (isRenderable) {
+ this.container = this._createContainer(ignoreBorder);
+ }
+
+ if (createQuadrilaterals) {
+ this.quadrilaterals = this._createQuadrilaterals(ignoreBorder);
+ }
+ }
+
+ _createContainer(ignoreBorder = false) {
+ const data = this.data,
+ page = this.page,
+ viewport = this.viewport;
+ const container = document.createElement("section");
+ const {
+ width,
+ height
+ } = getRectDims(data.rect);
+ const [pageLLx, pageLLy, pageURx, pageURy] = viewport.viewBox;
+ const pageWidth = pageURx - pageLLx;
+ const pageHeight = pageURy - pageLLy;
+ container.setAttribute("data-annotation-id", data.id);
+
+ const rect = _util.Util.normalizeRect([data.rect[0], page.view[3] - data.rect[1] + page.view[1], data.rect[2], page.view[3] - data.rect[3] + page.view[1]]);
+
+ if (!ignoreBorder && data.borderStyle.width > 0) {
+ container.style.borderWidth = `${data.borderStyle.width}px`;
+ const horizontalRadius = data.borderStyle.horizontalCornerRadius;
+ const verticalRadius = data.borderStyle.verticalCornerRadius;
+
+ if (horizontalRadius > 0 || verticalRadius > 0) {
+ const radius = `calc(${horizontalRadius}px * var(--scale-factor)) / calc(${verticalRadius}px * var(--scale-factor))`;
+ container.style.borderRadius = radius;
+ } else if (this instanceof RadioButtonWidgetAnnotationElement) {
+ const radius = `calc(${width}px * var(--scale-factor)) / calc(${height}px * var(--scale-factor))`;
+ container.style.borderRadius = radius;
+ }
+
+ switch (data.borderStyle.style) {
+ case _util.AnnotationBorderStyleType.SOLID:
+ container.style.borderStyle = "solid";
+ break;
+
+ case _util.AnnotationBorderStyleType.DASHED:
+ container.style.borderStyle = "dashed";
+ break;
+
+ case _util.AnnotationBorderStyleType.BEVELED:
+ (0, _util.warn)("Unimplemented border style: beveled");
+ break;
+
+ case _util.AnnotationBorderStyleType.INSET:
+ (0, _util.warn)("Unimplemented border style: inset");
+ break;
+
+ case _util.AnnotationBorderStyleType.UNDERLINE:
+ container.style.borderBottomStyle = "solid";
+ break;
+
+ default:
+ break;
+ }
+
+ const borderColor = data.borderColor || null;
+
+ if (borderColor) {
+ container.style.borderColor = _util.Util.makeHexColor(borderColor[0] | 0, borderColor[1] | 0, borderColor[2] | 0);
+ } else {
+ container.style.borderWidth = 0;
+ }
+ }
+
+ container.style.left = `${100 * (rect[0] - pageLLx) / pageWidth}%`;
+ container.style.top = `${100 * (rect[1] - pageLLy) / pageHeight}%`;
+ const {
+ rotation
+ } = data;
+
+ if (data.hasOwnCanvas || rotation === 0) {
+ container.style.width = `${100 * width / pageWidth}%`;
+ container.style.height = `${100 * height / pageHeight}%`;
+ } else {
+ this.setRotation(rotation, container);
+ }
+
+ return container;
+ }
+
+ setRotation(angle, container = this.container) {
+ const [pageLLx, pageLLy, pageURx, pageURy] = this.viewport.viewBox;
+ const pageWidth = pageURx - pageLLx;
+ const pageHeight = pageURy - pageLLy;
+ const {
+ width,
+ height
+ } = getRectDims(this.data.rect);
+ let elementWidth, elementHeight;
+
+ if (angle % 180 === 0) {
+ elementWidth = 100 * width / pageWidth;
+ elementHeight = 100 * height / pageHeight;
+ } else {
+ elementWidth = 100 * height / pageWidth;
+ elementHeight = 100 * width / pageHeight;
+ }
+
+ container.style.width = `${elementWidth}%`;
+ container.style.height = `${elementHeight}%`;
+ container.setAttribute("data-main-rotation", (360 - angle) % 360);
+ }
+
+ get _commonActions() {
+ const setColor = (jsName, styleName, event) => {
+ const color = event.detail[jsName];
+ event.target.style[styleName] = _scripting_utils.ColorConverters[`${color[0]}_HTML`](color.slice(1));
+ };
+
+ return (0, _util.shadow)(this, "_commonActions", {
+ display: event => {
+ const hidden = event.detail.display % 2 === 1;
+ this.container.style.visibility = hidden ? "hidden" : "visible";
+ this.annotationStorage.setValue(this.data.id, {
+ hidden,
+ print: event.detail.display === 0 || event.detail.display === 3
+ });
+ },
+ print: event => {
+ this.annotationStorage.setValue(this.data.id, {
+ print: event.detail.print
+ });
+ },
+ hidden: event => {
+ this.container.style.visibility = event.detail.hidden ? "hidden" : "visible";
+ this.annotationStorage.setValue(this.data.id, {
+ hidden: event.detail.hidden
+ });
+ },
+ focus: event => {
+ setTimeout(() => event.target.focus({
+ preventScroll: false
+ }), 0);
+ },
+ userName: event => {
+ event.target.title = event.detail.userName;
+ },
+ readonly: event => {
+ if (event.detail.readonly) {
+ event.target.setAttribute("readonly", "");
+ } else {
+ event.target.removeAttribute("readonly");
+ }
+ },
+ required: event => {
+ this._setRequired(event.target, event.detail.required);
+ },
+ bgColor: event => {
+ setColor("bgColor", "backgroundColor", event);
+ },
+ fillColor: event => {
+ setColor("fillColor", "backgroundColor", event);
+ },
+ fgColor: event => {
+ setColor("fgColor", "color", event);
+ },
+ textColor: event => {
+ setColor("textColor", "color", event);
+ },
+ borderColor: event => {
+ setColor("borderColor", "borderColor", event);
+ },
+ strokeColor: event => {
+ setColor("strokeColor", "borderColor", event);
+ },
+ rotation: event => {
+ const angle = event.detail.rotation;
+ this.setRotation(angle);
+ this.annotationStorage.setValue(this.data.id, {
+ rotation: angle
+ });
+ }
+ });
+ }
+
+ _dispatchEventFromSandbox(actions, jsEvent) {
+ const commonActions = this._commonActions;
+
+ for (const name of Object.keys(jsEvent.detail)) {
+ const action = actions[name] || commonActions[name];
+
+ if (action) {
+ action(jsEvent);
+ }
+ }
+ }
+
+ _setDefaultPropertiesFromJS(element) {
+ if (!this.enableScripting) {
+ return;
+ }
+
+ const storedData = this.annotationStorage.getRawValue(this.data.id);
+
+ if (!storedData) {
+ return;
+ }
+
+ const commonActions = this._commonActions;
+
+ for (const [actionName, detail] of Object.entries(storedData)) {
+ const action = commonActions[actionName];
+
+ if (action) {
+ const eventProxy = {
+ detail: {
+ [actionName]: detail
+ },
+ target: element
+ };
+ action(eventProxy);
+ delete storedData[actionName];
+ }
+ }
+ }
+
+ _createQuadrilaterals(ignoreBorder = false) {
+ if (!this.data.quadPoints) {
+ return null;
+ }
+
+ const quadrilaterals = [];
+ const savedRect = this.data.rect;
+
+ for (const quadPoint of this.data.quadPoints) {
+ this.data.rect = [quadPoint[2].x, quadPoint[2].y, quadPoint[1].x, quadPoint[1].y];
+ quadrilaterals.push(this._createContainer(ignoreBorder));
+ }
+
+ this.data.rect = savedRect;
+ return quadrilaterals;
+ }
+
+ _createPopup(trigger, data) {
+ let container = this.container;
+
+ if (this.quadrilaterals) {
+ trigger = trigger || this.quadrilaterals;
+ container = this.quadrilaterals[0];
+ }
+
+ if (!trigger) {
+ trigger = document.createElement("div");
+ trigger.className = "popupTriggerArea";
+ container.append(trigger);
+ }
+
+ const popupElement = new PopupElement({
+ container,
+ trigger,
+ color: data.color,
+ titleObj: data.titleObj,
+ modificationDate: data.modificationDate,
+ contentsObj: data.contentsObj,
+ richText: data.richText,
+ hideWrapper: true
+ });
+ const popup = popupElement.render();
+ popup.style.left = "100%";
+ container.append(popup);
+ }
+
+ _renderQuadrilaterals(className) {
+ for (const quadrilateral of this.quadrilaterals) {
+ quadrilateral.className = className;
+ }
+
+ return this.quadrilaterals;
+ }
+
+ render() {
+ (0, _util.unreachable)("Abstract method `AnnotationElement.render` called");
+ }
+
+ _getElementsByName(name, skipId = null) {
+ const fields = [];
+
+ if (this._fieldObjects) {
+ const fieldObj = this._fieldObjects[name];
+
+ if (fieldObj) {
+ for (const {
+ page,
+ id,
+ exportValues
+ } of fieldObj) {
+ if (page === -1) {
continue;
}
- var key = attribute.name.substring(5).replace(/\-([a-z])/g, function (all, ch) {
- return ch.toUpperCase();
+
+ if (id === skipId) {
+ continue;
+ }
+
+ const exportValue = typeof exportValues === "string" ? exportValues : null;
+ const domElement = document.querySelector(`[data-element-id="${id}"]`);
+
+ if (domElement && !GetElementsByNameSet.has(domElement)) {
+ (0, _util.warn)(`_getElementsByName - element not allowed: ${id}`);
+ continue;
+ }
+
+ fields.push({
+ id,
+ exportValue,
+ domElement
});
- dataset[key] = attribute.value;
}
- Object.defineProperty(this, '_dataset', {
- value: dataset,
- writable: false,
- enumerable: false
- });
- return dataset;
- },
+ }
- enumerable: true
+ return fields;
+ }
+
+ for (const domElement of document.getElementsByName(name)) {
+ const {
+ id,
+ exportValue
+ } = domElement;
+
+ if (id === skipId) {
+ continue;
+ }
+
+ if (!GetElementsByNameSet.has(domElement)) {
+ continue;
+ }
+
+ fields.push({
+ id,
+ exportValue,
+ domElement
+ });
+ }
+
+ return fields;
+ }
+
+ static get platform() {
+ const platform = typeof navigator !== "undefined" ? navigator.platform : "";
+ return (0, _util.shadow)(this, "platform", {
+ isWin: platform.includes("Win"),
+ isMac: platform.includes("Mac")
});
- })();
- (function checkClassListProperty() {
- function changeList(element, itemName, add, remove) {
- var s = element.className || '';
- var list = s.split(/\s+/g);
- if (list[0] === '') {
- list.shift();
+ }
+
+}
+
+class LinkAnnotationElement extends AnnotationElement {
+ constructor(parameters, options = null) {
+ super(parameters, {
+ isRenderable: true,
+ ignoreBorder: !!options?.ignoreBorder,
+ createQuadrilaterals: true
+ });
+ this.isTooltipOnly = parameters.data.isTooltipOnly;
+ }
+
+ render() {
+ const {
+ data,
+ linkService
+ } = this;
+ const link = document.createElement("a");
+ link.setAttribute("data-element-id", data.id);
+ let isBound = false;
+
+ if (data.url) {
+ linkService.addLinkAttributes(link, data.url, data.newWindow);
+ isBound = true;
+ } else if (data.action) {
+ this._bindNamedAction(link, data.action);
+
+ isBound = true;
+ } else if (data.dest) {
+ this._bindLink(link, data.dest);
+
+ isBound = true;
+ } else {
+ if (data.actions && (data.actions.Action || data.actions["Mouse Up"] || data.actions["Mouse Down"]) && this.enableScripting && this.hasJSActions) {
+ this._bindJSAction(link, data);
+
+ isBound = true;
}
- var index = list.indexOf(itemName);
- if (index < 0 && add) {
- list.push(itemName);
+
+ if (data.resetForm) {
+ this._bindResetFormAction(link, data.resetForm);
+
+ isBound = true;
+ } else if (this.isTooltipOnly && !isBound) {
+ this._bindLink(link, "");
+
+ isBound = true;
}
- if (index >= 0 && remove) {
- list.splice(index, 1);
- }
- element.className = list.join(' ');
- return index >= 0;
}
- if (!hasDOM) {
- return;
+
+ if (this.quadrilaterals) {
+ return this._renderQuadrilaterals("linkAnnotation").map((quadrilateral, index) => {
+ const linkElement = index === 0 ? link : link.cloneNode();
+ quadrilateral.append(linkElement);
+ return quadrilateral;
+ });
}
- var div = document.createElement('div');
- if ('classList' in div) {
- return;
+
+ this.container.className = "linkAnnotation";
+
+ if (isBound) {
+ this.container.append(link);
}
- var classListPrototype = {
- add: function add(name) {
- changeList(this.element, name, true, false);
- },
- contains: function contains(name) {
- return changeList(this.element, name, false, false);
- },
- remove: function remove(name) {
- changeList(this.element, name, false, true);
- },
- toggle: function toggle(name) {
- changeList(this.element, name, true, true);
+
+ return this.container;
+ }
+
+ _bindLink(link, destination) {
+ link.href = this.linkService.getDestinationHash(destination);
+
+ link.onclick = () => {
+ if (destination) {
+ this.linkService.goToDestination(destination);
}
+
+ return false;
};
- Object.defineProperty(HTMLElement.prototype, 'classList', {
- get: function get() {
- if (this._classList) {
- return this._classList;
- }
- var classList = Object.create(classListPrototype, {
- element: {
- value: this,
- writable: false,
- enumerable: true
+
+ if (destination || destination === "") {
+ link.className = "internalLink";
+ }
+ }
+
+ _bindNamedAction(link, action) {
+ link.href = this.linkService.getAnchorUrl("");
+
+ link.onclick = () => {
+ this.linkService.executeNamedAction(action);
+ return false;
+ };
+
+ link.className = "internalLink";
+ }
+
+ _bindJSAction(link, data) {
+ link.href = this.linkService.getAnchorUrl("");
+ const map = new Map([["Action", "onclick"], ["Mouse Up", "onmouseup"], ["Mouse Down", "onmousedown"]]);
+
+ for (const name of Object.keys(data.actions)) {
+ const jsName = map.get(name);
+
+ if (!jsName) {
+ continue;
+ }
+
+ link[jsName] = () => {
+ this.linkService.eventBus?.dispatch("dispatcheventinsandbox", {
+ source: this,
+ detail: {
+ id: data.id,
+ name
}
});
- Object.defineProperty(this, '_classList', {
- value: classList,
- writable: false,
- enumerable: false
- });
- return classList;
- },
-
- enumerable: true
- });
- })();
- (function checkWorkerConsoleCompatibility() {
- if (typeof importScripts === 'undefined' || 'console' in globalScope) {
- return;
- }
- var consoleTimer = {};
- var workerConsole = {
- log: function log() {
- var args = Array.prototype.slice.call(arguments);
- globalScope.postMessage({
- targetName: 'main',
- action: 'console_log',
- data: args
- });
- },
- error: function error() {
- var args = Array.prototype.slice.call(arguments);
- globalScope.postMessage({
- targetName: 'main',
- action: 'console_error',
- data: args
- });
- },
- time: function time(name) {
- consoleTimer[name] = Date.now();
- },
- timeEnd: function timeEnd(name) {
- var time = consoleTimer[name];
- if (!time) {
- throw new Error('Unknown timer name ' + name);
- }
- this.log('Timer:', name, Date.now() - time);
- }
- };
- globalScope.console = workerConsole;
- })();
- (function checkConsoleCompatibility() {
- if (!hasDOM) {
- return;
- }
- if (!('console' in window)) {
- window.console = {
- log: function log() {},
- error: function error() {},
- warn: function warn() {}
+ return false;
};
+ }
+
+ if (!link.onclick) {
+ link.onclick = () => false;
+ }
+
+ link.className = "internalLink";
+ }
+
+ _bindResetFormAction(link, resetForm) {
+ const otherClickAction = link.onclick;
+
+ if (!otherClickAction) {
+ link.href = this.linkService.getAnchorUrl("");
+ }
+
+ link.className = "internalLink";
+
+ if (!this._fieldObjects) {
+ (0, _util.warn)(`_bindResetFormAction - "resetForm" action not supported, ` + "ensure that the `fieldObjects` parameter is provided.");
+
+ if (!otherClickAction) {
+ link.onclick = () => false;
+ }
+
return;
}
- if (!('bind' in console.log)) {
- console.log = function (fn) {
- return function (msg) {
- return fn(msg);
- };
- }(console.log);
- console.error = function (fn) {
- return function (msg) {
- return fn(msg);
- };
- }(console.error);
- console.warn = function (fn) {
- return function (msg) {
- return fn(msg);
- };
- }(console.warn);
- return;
+
+ link.onclick = () => {
+ if (otherClickAction) {
+ otherClickAction();
+ }
+
+ const {
+ fields: resetFormFields,
+ refs: resetFormRefs,
+ include
+ } = resetForm;
+ const allFields = [];
+
+ if (resetFormFields.length !== 0 || resetFormRefs.length !== 0) {
+ const fieldIds = new Set(resetFormRefs);
+
+ for (const fieldName of resetFormFields) {
+ const fields = this._fieldObjects[fieldName] || [];
+
+ for (const {
+ id
+ } of fields) {
+ fieldIds.add(id);
+ }
+ }
+
+ for (const fields of Object.values(this._fieldObjects)) {
+ for (const field of fields) {
+ if (fieldIds.has(field.id) === include) {
+ allFields.push(field);
+ }
+ }
+ }
+ } else {
+ for (const fields of Object.values(this._fieldObjects)) {
+ allFields.push(...fields);
+ }
+ }
+
+ const storage = this.annotationStorage;
+ const allIds = [];
+
+ for (const field of allFields) {
+ const {
+ id
+ } = field;
+ allIds.push(id);
+
+ switch (field.type) {
+ case "text":
+ {
+ const value = field.defaultValue || "";
+ storage.setValue(id, {
+ value
+ });
+ break;
+ }
+
+ case "checkbox":
+ case "radiobutton":
+ {
+ const value = field.defaultValue === field.exportValues;
+ storage.setValue(id, {
+ value
+ });
+ break;
+ }
+
+ case "combobox":
+ case "listbox":
+ {
+ const value = field.defaultValue || "";
+ storage.setValue(id, {
+ value
+ });
+ break;
+ }
+
+ default:
+ continue;
+ }
+
+ const domElement = document.querySelector(`[data-element-id="${id}"]`);
+
+ if (!domElement) {
+ continue;
+ } else if (!GetElementsByNameSet.has(domElement)) {
+ (0, _util.warn)(`_bindResetFormAction - element not allowed: ${id}`);
+ continue;
+ }
+
+ domElement.dispatchEvent(new Event("resetform"));
+ }
+
+ if (this.enableScripting) {
+ this.linkService.eventBus?.dispatch("dispatcheventinsandbox", {
+ source: this,
+ detail: {
+ id: "app",
+ ids: allIds,
+ name: "ResetForm"
+ }
+ });
+ }
+
+ return false;
+ };
+ }
+
+}
+
+class TextAnnotationElement extends AnnotationElement {
+ constructor(parameters) {
+ const isRenderable = !!(parameters.data.hasPopup || parameters.data.titleObj?.str || parameters.data.contentsObj?.str || parameters.data.richText?.str);
+ super(parameters, {
+ isRenderable
+ });
+ }
+
+ render() {
+ this.container.className = "textAnnotation";
+ const image = document.createElement("img");
+ image.src = this.imageResourcesPath + "annotation-" + this.data.name.toLowerCase() + ".svg";
+ image.alt = "[{{type}} Annotation]";
+ image.dataset.l10nId = "text_annotation_type";
+ image.dataset.l10nArgs = JSON.stringify({
+ type: this.data.name
+ });
+
+ if (!this.data.hasPopup) {
+ this._createPopup(image, this.data);
}
- })();
- (function checkOnClickCompatibility() {
- function ignoreIfTargetDisabled(event) {
- if (isDisabled(event.target)) {
- event.stopPropagation();
+
+ this.container.append(image);
+ return this.container;
+ }
+
+}
+
+class WidgetAnnotationElement extends AnnotationElement {
+ render() {
+ if (this.data.alternativeText) {
+ this.container.title = this.data.alternativeText;
+ }
+
+ return this.container;
+ }
+
+ _getKeyModifier(event) {
+ const {
+ isWin,
+ isMac
+ } = AnnotationElement.platform;
+ return isWin && event.ctrlKey || isMac && event.metaKey;
+ }
+
+ _setEventListener(element, baseName, eventName, valueGetter) {
+ if (baseName.includes("mouse")) {
+ element.addEventListener(baseName, event => {
+ this.linkService.eventBus?.dispatch("dispatcheventinsandbox", {
+ source: this,
+ detail: {
+ id: this.data.id,
+ name: eventName,
+ value: valueGetter(event),
+ shift: event.shiftKey,
+ modifier: this._getKeyModifier(event)
+ }
+ });
+ });
+ } else {
+ element.addEventListener(baseName, event => {
+ this.linkService.eventBus?.dispatch("dispatcheventinsandbox", {
+ source: this,
+ detail: {
+ id: this.data.id,
+ name: eventName,
+ value: valueGetter(event)
+ }
+ });
+ });
+ }
+ }
+
+ _setEventListeners(element, names, getter) {
+ for (const [baseName, eventName] of names) {
+ if (eventName === "Action" || this.data.actions?.[eventName]) {
+ this._setEventListener(element, baseName, eventName, getter);
}
}
- function isDisabled(node) {
- return node.disabled || node.parentNode && isDisabled(node.parentNode);
+ }
+
+ _setBackgroundColor(element) {
+ const color = this.data.backgroundColor || null;
+ element.style.backgroundColor = color === null ? "transparent" : _util.Util.makeHexColor(color[0], color[1], color[2]);
+ }
+
+ _setTextStyle(element) {
+ const TEXT_ALIGNMENT = ["left", "center", "right"];
+ const {
+ fontColor
+ } = this.data.defaultAppearanceData;
+ const fontSize = this.data.defaultAppearanceData.fontSize || DEFAULT_FONT_SIZE;
+ const style = element.style;
+ let computedFontSize;
+
+ if (this.data.multiLine) {
+ const height = Math.abs(this.data.rect[3] - this.data.rect[1]);
+ const numberOfLines = Math.round(height / (_util.LINE_FACTOR * fontSize)) || 1;
+ const lineHeight = height / numberOfLines;
+ computedFontSize = Math.min(fontSize, Math.round(lineHeight / _util.LINE_FACTOR));
+ } else {
+ const height = Math.abs(this.data.rect[3] - this.data.rect[1]);
+ computedFontSize = Math.min(fontSize, Math.round(height / _util.LINE_FACTOR));
}
- if (isOpera) {
- document.addEventListener('click', ignoreIfTargetDisabled, true);
+
+ style.fontSize = `calc(${computedFontSize}px * var(--scale-factor))`;
+ style.color = _util.Util.makeHexColor(fontColor[0], fontColor[1], fontColor[2]);
+
+ if (this.data.textAlignment !== null) {
+ style.textAlign = TEXT_ALIGNMENT[this.data.textAlignment];
}
- })();
- (function checkOnBlobSupport() {
- if (isIE || isIOSChrome) {
- PDFJS.disableCreateObjectURL = true;
+ }
+
+ _setRequired(element, isRequired) {
+ if (isRequired) {
+ element.setAttribute("required", true);
+ } else {
+ element.removeAttribute("required");
}
- })();
- (function checkNavigatorLanguage() {
- if (typeof navigator === 'undefined') {
- return;
+
+ element.setAttribute("aria-required", isRequired);
+ }
+
+}
+
+class TextWidgetAnnotationElement extends WidgetAnnotationElement {
+ constructor(parameters) {
+ const isRenderable = parameters.renderForms || !parameters.data.hasAppearance && !!parameters.data.fieldValue;
+ super(parameters, {
+ isRenderable
+ });
+ }
+
+ setPropertyOnSiblings(base, key, value, keyInStorage) {
+ const storage = this.annotationStorage;
+
+ for (const element of this._getElementsByName(base.name, base.id)) {
+ if (element.domElement) {
+ element.domElement[key] = value;
+ }
+
+ storage.setValue(element.id, {
+ [keyInStorage]: value
+ });
}
- if ('language' in navigator) {
- return;
- }
- PDFJS.locale = navigator.userLanguage || 'en-US';
- })();
- (function checkRangeRequests() {
- if (isSafari || isAndroidPre3 || isChromeWithRangeBug || isIOS) {
- PDFJS.disableRange = true;
- PDFJS.disableStream = true;
- }
- })();
- (function checkHistoryManipulation() {
- if (!hasDOM) {
- return;
- }
- if (!history.pushState || isAndroidPre3) {
- PDFJS.disableHistory = true;
- }
- })();
- (function checkSetPresenceInImageData() {
- if (!hasDOM) {
- return;
- }
- if (window.CanvasPixelArray) {
- if (typeof window.CanvasPixelArray.prototype.set !== 'function') {
- window.CanvasPixelArray.prototype.set = function (arr) {
- for (var i = 0, ii = this.length; i < ii; i++) {
- this[i] = arr[i];
+ }
+
+ render() {
+ const storage = this.annotationStorage;
+ const id = this.data.id;
+ this.container.className = "textWidgetAnnotation";
+ let element = null;
+
+ if (this.renderForms) {
+ const storedData = storage.getValue(id, {
+ value: this.data.fieldValue
+ });
+ let textContent = storedData.formattedValue || storedData.value || "";
+ const maxLen = storage.getValue(id, {
+ charLimit: this.data.maxLen
+ }).charLimit;
+
+ if (maxLen && textContent.length > maxLen) {
+ textContent = textContent.slice(0, maxLen);
+ }
+
+ const elementData = {
+ userValue: textContent,
+ formattedValue: null,
+ valueOnFocus: ""
+ };
+
+ if (this.data.multiLine) {
+ element = document.createElement("textarea");
+ element.textContent = textContent;
+
+ if (this.data.doNotScroll) {
+ element.style.overflowY = "hidden";
+ }
+ } else {
+ element = document.createElement("input");
+ element.type = "text";
+ element.setAttribute("value", textContent);
+
+ if (this.data.doNotScroll) {
+ element.style.overflowX = "hidden";
+ }
+ }
+
+ GetElementsByNameSet.add(element);
+ element.setAttribute("data-element-id", id);
+ element.disabled = this.data.readOnly;
+ element.name = this.data.fieldName;
+ element.tabIndex = DEFAULT_TAB_INDEX;
+
+ this._setRequired(element, this.data.required);
+
+ if (maxLen) {
+ element.maxLength = maxLen;
+ }
+
+ element.addEventListener("input", event => {
+ storage.setValue(id, {
+ value: event.target.value
+ });
+ this.setPropertyOnSiblings(element, "value", event.target.value, "value");
+ });
+ element.addEventListener("resetform", event => {
+ const defaultValue = this.data.defaultFieldValue ?? "";
+ element.value = elementData.userValue = defaultValue;
+ elementData.formattedValue = null;
+ });
+
+ let blurListener = event => {
+ const {
+ formattedValue
+ } = elementData;
+
+ if (formattedValue !== null && formattedValue !== undefined) {
+ event.target.value = formattedValue;
+ }
+
+ event.target.scrollLeft = 0;
+ };
+
+ if (this.enableScripting && this.hasJSActions) {
+ element.addEventListener("focus", event => {
+ if (elementData.userValue) {
+ event.target.value = elementData.userValue;
}
- };
+
+ elementData.valueOnFocus = event.target.value;
+ });
+ element.addEventListener("updatefromsandbox", jsEvent => {
+ const actions = {
+ value(event) {
+ elementData.userValue = event.detail.value ?? "";
+ storage.setValue(id, {
+ value: elementData.userValue.toString()
+ });
+ event.target.value = elementData.userValue;
+ },
+
+ formattedValue(event) {
+ const {
+ formattedValue
+ } = event.detail;
+ elementData.formattedValue = formattedValue;
+
+ if (formattedValue !== null && formattedValue !== undefined && event.target !== document.activeElement) {
+ event.target.value = formattedValue;
+ }
+
+ storage.setValue(id, {
+ formattedValue
+ });
+ },
+
+ selRange(event) {
+ event.target.setSelectionRange(...event.detail.selRange);
+ },
+
+ charLimit: event => {
+ const {
+ charLimit
+ } = event.detail;
+ const {
+ target
+ } = event;
+
+ if (charLimit === 0) {
+ target.removeAttribute("maxLength");
+ return;
+ }
+
+ target.setAttribute("maxLength", charLimit);
+ let value = elementData.userValue;
+
+ if (!value || value.length <= charLimit) {
+ return;
+ }
+
+ value = value.slice(0, charLimit);
+ target.value = elementData.userValue = value;
+ storage.setValue(id, {
+ value
+ });
+ this.linkService.eventBus?.dispatch("dispatcheventinsandbox", {
+ source: this,
+ detail: {
+ id,
+ name: "Keystroke",
+ value,
+ willCommit: true,
+ commitKey: 1,
+ selStart: target.selectionStart,
+ selEnd: target.selectionEnd
+ }
+ });
+ }
+ };
+
+ this._dispatchEventFromSandbox(actions, jsEvent);
+ });
+ element.addEventListener("keydown", event => {
+ let commitKey = -1;
+
+ if (event.key === "Escape") {
+ commitKey = 0;
+ } else if (event.key === "Enter") {
+ commitKey = 2;
+ } else if (event.key === "Tab") {
+ commitKey = 3;
+ }
+
+ if (commitKey === -1) {
+ return;
+ }
+
+ const {
+ value
+ } = event.target;
+
+ if (elementData.valueOnFocus === value) {
+ return;
+ }
+
+ elementData.userValue = value;
+ this.linkService.eventBus?.dispatch("dispatcheventinsandbox", {
+ source: this,
+ detail: {
+ id,
+ name: "Keystroke",
+ value,
+ willCommit: true,
+ commitKey,
+ selStart: event.target.selectionStart,
+ selEnd: event.target.selectionEnd
+ }
+ });
+ });
+ const _blurListener = blurListener;
+ blurListener = null;
+ element.addEventListener("blur", event => {
+ const {
+ value
+ } = event.target;
+ elementData.userValue = value;
+
+ if (this._mouseState.isDown && elementData.valueOnFocus !== value) {
+ this.linkService.eventBus?.dispatch("dispatcheventinsandbox", {
+ source: this,
+ detail: {
+ id,
+ name: "Keystroke",
+ value,
+ willCommit: true,
+ commitKey: 1,
+ selStart: event.target.selectionStart,
+ selEnd: event.target.selectionEnd
+ }
+ });
+ }
+
+ _blurListener(event);
+ });
+
+ if (this.data.actions?.Keystroke) {
+ element.addEventListener("beforeinput", event => {
+ const {
+ data,
+ target
+ } = event;
+ const {
+ value,
+ selectionStart,
+ selectionEnd
+ } = target;
+ let selStart = selectionStart,
+ selEnd = selectionEnd;
+
+ switch (event.inputType) {
+ case "deleteWordBackward":
+ {
+ const match = value.substring(0, selectionStart).match(/\w*[^\w]*$/);
+
+ if (match) {
+ selStart -= match[0].length;
+ }
+
+ break;
+ }
+
+ case "deleteWordForward":
+ {
+ const match = value.substring(selectionStart).match(/^[^\w]*\w*/);
+
+ if (match) {
+ selEnd += match[0].length;
+ }
+
+ break;
+ }
+
+ case "deleteContentBackward":
+ if (selectionStart === selectionEnd) {
+ selStart -= 1;
+ }
+
+ break;
+
+ case "deleteContentForward":
+ if (selectionStart === selectionEnd) {
+ selEnd += 1;
+ }
+
+ break;
+ }
+
+ event.preventDefault();
+ this.linkService.eventBus?.dispatch("dispatcheventinsandbox", {
+ source: this,
+ detail: {
+ id,
+ name: "Keystroke",
+ value,
+ change: data || "",
+ willCommit: false,
+ selStart,
+ selEnd
+ }
+ });
+ });
+ }
+
+ this._setEventListeners(element, [["focus", "Focus"], ["blur", "Blur"], ["mousedown", "Mouse Down"], ["mouseenter", "Mouse Enter"], ["mouseleave", "Mouse Exit"], ["mouseup", "Mouse Up"]], event => event.target.value);
+ }
+
+ if (blurListener) {
+ element.addEventListener("blur", blurListener);
+ }
+
+ if (this.data.comb) {
+ const fieldWidth = this.data.rect[2] - this.data.rect[0];
+ const combWidth = fieldWidth / maxLen;
+ element.classList.add("comb");
+ element.style.letterSpacing = `calc(${combWidth}px * var(--scale-factor) - 1ch)`;
}
} else {
- var polyfill = false,
- versionMatch;
- if (isChrome) {
- versionMatch = userAgent.match(/Chrom(e|ium)\/([0-9]+)\./);
- polyfill = versionMatch && parseInt(versionMatch[2]) < 21;
- } else if (isAndroid) {
- polyfill = isAndroidPre5;
- } else if (isSafari) {
- versionMatch = userAgent.match(/Version\/([0-9]+)\.([0-9]+)\.([0-9]+) Safari\//);
- polyfill = versionMatch && parseInt(versionMatch[1]) < 6;
- }
- if (polyfill) {
- var contextPrototype = window.CanvasRenderingContext2D.prototype;
- var createImageData = contextPrototype.createImageData;
- contextPrototype.createImageData = function (w, h) {
- var imageData = createImageData.call(this, w, h);
- imageData.data.set = function (arr) {
- for (var i = 0, ii = this.length; i < ii; i++) {
- this[i] = arr[i];
- }
- };
- return imageData;
- };
- contextPrototype = null;
- }
+ element = document.createElement("div");
+ element.textContent = this.data.fieldValue;
+ element.style.verticalAlign = "middle";
+ element.style.display = "table-cell";
}
- })();
- (function checkRequestAnimationFrame() {
- function installFakeAnimationFrameFunctions() {
- window.requestAnimationFrame = function (callback) {
- return window.setTimeout(callback, 20);
- };
- window.cancelAnimationFrame = function (timeoutID) {
- window.clearTimeout(timeoutID);
- };
- }
- if (!hasDOM) {
- return;
- }
- if (isIOS) {
- installFakeAnimationFrameFunctions();
- return;
- }
- if ('requestAnimationFrame' in window) {
- return;
- }
- window.requestAnimationFrame = window.mozRequestAnimationFrame || window.webkitRequestAnimationFrame;
- if (window.requestAnimationFrame) {
- return;
- }
- installFakeAnimationFrameFunctions();
- })();
- (function checkCanvasSizeLimitation() {
- if (isIOS || isAndroid) {
- PDFJS.maxCanvasPixels = 5242880;
- }
- })();
- (function checkFullscreenSupport() {
- if (!hasDOM) {
- return;
- }
- if (isIE && window.parent !== window) {
- PDFJS.disableFullscreen = true;
- }
- })();
- (function checkCurrentScript() {
- if (!hasDOM) {
- return;
- }
- if ('currentScript' in document) {
- return;
- }
- Object.defineProperty(document, 'currentScript', {
- get: function get() {
- var scripts = document.getElementsByTagName('script');
- return scripts[scripts.length - 1];
- },
- enumerable: true,
- configurable: true
+ this._setTextStyle(element);
+
+ this._setBackgroundColor(element);
+
+ this._setDefaultPropertiesFromJS(element);
+
+ this.container.append(element);
+ return this.container;
+ }
+
+}
+
+class CheckboxWidgetAnnotationElement extends WidgetAnnotationElement {
+ constructor(parameters) {
+ super(parameters, {
+ isRenderable: parameters.renderForms
});
- })();
- (function checkInputTypeNumberAssign() {
- if (!hasDOM) {
- return;
- }
- var el = document.createElement('input');
- try {
- el.type = 'number';
- } catch (ex) {
- var inputProto = el.constructor.prototype;
- var typeProperty = Object.getOwnPropertyDescriptor(inputProto, 'type');
- Object.defineProperty(inputProto, 'type', {
- get: function get() {
- return typeProperty.get.call(this);
- },
- set: function set(value) {
- typeProperty.set.call(this, value === 'number' ? 'text' : value);
- },
+ }
- enumerable: true,
- configurable: true
+ render() {
+ const storage = this.annotationStorage;
+ const data = this.data;
+ const id = data.id;
+ let value = storage.getValue(id, {
+ value: data.exportValue === data.fieldValue
+ }).value;
+
+ if (typeof value === "string") {
+ value = value !== "Off";
+ storage.setValue(id, {
+ value
});
}
- })();
- (function checkDocumentReadyState() {
- if (!hasDOM) {
- return;
- }
- if (!document.attachEvent) {
- return;
- }
- var documentProto = document.constructor.prototype;
- var readyStateProto = Object.getOwnPropertyDescriptor(documentProto, 'readyState');
- Object.defineProperty(documentProto, 'readyState', {
- get: function get() {
- var value = readyStateProto.get.call(this);
- return value === 'interactive' ? 'loading' : value;
- },
- set: function set(value) {
- readyStateProto.set.call(this, value);
- },
- enumerable: true,
- configurable: true
- });
- })();
- (function checkChildNodeRemove() {
- if (!hasDOM) {
- return;
+ this.container.className = "buttonWidgetAnnotation checkBox";
+ const element = document.createElement("input");
+ GetElementsByNameSet.add(element);
+ element.setAttribute("data-element-id", id);
+ element.disabled = data.readOnly;
+
+ this._setRequired(element, this.data.required);
+
+ element.type = "checkbox";
+ element.name = data.fieldName;
+
+ if (value) {
+ element.setAttribute("checked", true);
}
- if (typeof Element.prototype.remove !== 'undefined') {
- return;
- }
- Element.prototype.remove = function () {
- if (this.parentNode) {
- this.parentNode.removeChild(this);
- }
- };
- })();
- (function checkNumberIsNaN() {
- if (Number.isNaN) {
- return;
- }
- Number.isNaN = function (value) {
- return typeof value === 'number' && isNaN(value);
- };
- })();
- (function checkNumberIsInteger() {
- if (Number.isInteger) {
- return;
- }
- Number.isInteger = function (value) {
- return typeof value === 'number' && isFinite(value) && Math.floor(value) === value;
- };
- })();
- (function checkPromise() {
- if (globalScope.Promise) {
- if (typeof globalScope.Promise.all !== 'function') {
- globalScope.Promise.all = function (iterable) {
- var count = 0,
- results = [],
- resolve,
- reject;
- var promise = new globalScope.Promise(function (resolve_, reject_) {
- resolve = resolve_;
- reject = reject_;
- });
- iterable.forEach(function (p, i) {
- count++;
- p.then(function (result) {
- results[i] = result;
- count--;
- if (count === 0) {
- resolve(results);
- }
- }, reject);
- });
- if (count === 0) {
- resolve(results);
- }
- return promise;
- };
- }
- if (typeof globalScope.Promise.resolve !== 'function') {
- globalScope.Promise.resolve = function (value) {
- return new globalScope.Promise(function (resolve) {
- resolve(value);
- });
- };
- }
- if (typeof globalScope.Promise.reject !== 'function') {
- globalScope.Promise.reject = function (reason) {
- return new globalScope.Promise(function (resolve, reject) {
- reject(reason);
- });
- };
- }
- if (typeof globalScope.Promise.prototype.catch !== 'function') {
- globalScope.Promise.prototype.catch = function (onReject) {
- return globalScope.Promise.prototype.then(undefined, onReject);
- };
- }
- return;
- }
- var STATUS_PENDING = 0;
- var STATUS_RESOLVED = 1;
- var STATUS_REJECTED = 2;
- var REJECTION_TIMEOUT = 500;
- var HandlerManager = {
- handlers: [],
- running: false,
- unhandledRejections: [],
- pendingRejectionCheck: false,
- scheduleHandlers: function scheduleHandlers(promise) {
- if (promise._status === STATUS_PENDING) {
- return;
+
+ element.setAttribute("exportValue", data.exportValue);
+ element.tabIndex = DEFAULT_TAB_INDEX;
+ element.addEventListener("change", event => {
+ const {
+ name,
+ checked
+ } = event.target;
+
+ for (const checkbox of this._getElementsByName(name, id)) {
+ const curChecked = checked && checkbox.exportValue === data.exportValue;
+
+ if (checkbox.domElement) {
+ checkbox.domElement.checked = curChecked;
}
- this.handlers = this.handlers.concat(promise._handlers);
- promise._handlers = [];
- if (this.running) {
- return;
- }
- this.running = true;
- setTimeout(this.runHandlers.bind(this), 0);
- },
- runHandlers: function runHandlers() {
- var RUN_TIMEOUT = 1;
- var timeoutAt = Date.now() + RUN_TIMEOUT;
- while (this.handlers.length > 0) {
- var handler = this.handlers.shift();
- var nextStatus = handler.thisPromise._status;
- var nextValue = handler.thisPromise._value;
- try {
- if (nextStatus === STATUS_RESOLVED) {
- if (typeof handler.onResolve === 'function') {
- nextValue = handler.onResolve(nextValue);
- }
- } else if (typeof handler.onReject === 'function') {
- nextValue = handler.onReject(nextValue);
- nextStatus = STATUS_RESOLVED;
- if (handler.thisPromise._unhandledRejection) {
- this.removeUnhandeledRejection(handler.thisPromise);
- }
- }
- } catch (ex) {
- nextStatus = STATUS_REJECTED;
- nextValue = ex;
- }
- handler.nextPromise._updateStatus(nextStatus, nextValue);
- if (Date.now() >= timeoutAt) {
- break;
- }
- }
- if (this.handlers.length > 0) {
- setTimeout(this.runHandlers.bind(this), 0);
- return;
- }
- this.running = false;
- },
- addUnhandledRejection: function addUnhandledRejection(promise) {
- this.unhandledRejections.push({
- promise: promise,
- time: Date.now()
+
+ storage.setValue(checkbox.id, {
+ value: curChecked
});
- this.scheduleRejectionCheck();
- },
- removeUnhandeledRejection: function removeUnhandeledRejection(promise) {
- promise._unhandledRejection = false;
- for (var i = 0; i < this.unhandledRejections.length; i++) {
- if (this.unhandledRejections[i].promise === promise) {
- this.unhandledRejections.splice(i);
- i--;
- }
- }
- },
- scheduleRejectionCheck: function scheduleRejectionCheck() {
- var _this = this;
+ }
- if (this.pendingRejectionCheck) {
- return;
- }
- this.pendingRejectionCheck = true;
- setTimeout(function () {
- _this.pendingRejectionCheck = false;
- var now = Date.now();
- for (var i = 0; i < _this.unhandledRejections.length; i++) {
- if (now - _this.unhandledRejections[i].time > REJECTION_TIMEOUT) {
- var unhandled = _this.unhandledRejections[i].promise._value;
- var msg = 'Unhandled rejection: ' + unhandled;
- if (unhandled.stack) {
- msg += '\n' + unhandled.stack;
- }
- try {
- throw new Error(msg);
- } catch (_) {
- console.warn(msg);
- }
- _this.unhandledRejections.splice(i);
- i--;
- }
- }
- if (_this.unhandledRejections.length) {
- _this.scheduleRejectionCheck();
- }
- }, REJECTION_TIMEOUT);
- }
- };
- var Promise = function Promise(resolver) {
- this._status = STATUS_PENDING;
- this._handlers = [];
- try {
- resolver.call(this, this._resolve.bind(this), this._reject.bind(this));
- } catch (e) {
- this._reject(e);
- }
- };
- Promise.all = function Promise_all(promises) {
- var resolveAll, rejectAll;
- var deferred = new Promise(function (resolve, reject) {
- resolveAll = resolve;
- rejectAll = reject;
+ storage.setValue(id, {
+ value: checked
});
- var unresolved = promises.length;
- var results = [];
- if (unresolved === 0) {
- resolveAll(results);
- return deferred;
+ });
+ element.addEventListener("resetform", event => {
+ const defaultValue = data.defaultFieldValue || "Off";
+ event.target.checked = defaultValue === data.exportValue;
+ });
+
+ if (this.enableScripting && this.hasJSActions) {
+ element.addEventListener("updatefromsandbox", jsEvent => {
+ const actions = {
+ value(event) {
+ event.target.checked = event.detail.value !== "Off";
+ storage.setValue(id, {
+ value: event.target.checked
+ });
+ }
+
+ };
+
+ this._dispatchEventFromSandbox(actions, jsEvent);
+ });
+
+ this._setEventListeners(element, [["change", "Validate"], ["change", "Action"], ["focus", "Focus"], ["blur", "Blur"], ["mousedown", "Mouse Down"], ["mouseenter", "Mouse Enter"], ["mouseleave", "Mouse Exit"], ["mouseup", "Mouse Up"]], event => event.target.checked);
+ }
+
+ this._setBackgroundColor(element);
+
+ this._setDefaultPropertiesFromJS(element);
+
+ this.container.append(element);
+ return this.container;
+ }
+
+}
+
+class RadioButtonWidgetAnnotationElement extends WidgetAnnotationElement {
+ constructor(parameters) {
+ super(parameters, {
+ isRenderable: parameters.renderForms
+ });
+ }
+
+ render() {
+ this.container.className = "buttonWidgetAnnotation radioButton";
+ const storage = this.annotationStorage;
+ const data = this.data;
+ const id = data.id;
+ let value = storage.getValue(id, {
+ value: data.fieldValue === data.buttonValue
+ }).value;
+
+ if (typeof value === "string") {
+ value = value !== data.buttonValue;
+ storage.setValue(id, {
+ value
+ });
+ }
+
+ const element = document.createElement("input");
+ GetElementsByNameSet.add(element);
+ element.setAttribute("data-element-id", id);
+ element.disabled = data.readOnly;
+
+ this._setRequired(element, this.data.required);
+
+ element.type = "radio";
+ element.name = data.fieldName;
+
+ if (value) {
+ element.setAttribute("checked", true);
+ }
+
+ element.tabIndex = DEFAULT_TAB_INDEX;
+ element.addEventListener("change", event => {
+ const {
+ name,
+ checked
+ } = event.target;
+
+ for (const radio of this._getElementsByName(name, id)) {
+ storage.setValue(radio.id, {
+ value: false
+ });
}
- function reject(reason) {
- if (deferred._status === STATUS_REJECTED) {
- return;
+
+ storage.setValue(id, {
+ value: checked
+ });
+ });
+ element.addEventListener("resetform", event => {
+ const defaultValue = data.defaultFieldValue;
+ event.target.checked = defaultValue !== null && defaultValue !== undefined && defaultValue === data.buttonValue;
+ });
+
+ if (this.enableScripting && this.hasJSActions) {
+ const pdfButtonValue = data.buttonValue;
+ element.addEventListener("updatefromsandbox", jsEvent => {
+ const actions = {
+ value: event => {
+ const checked = pdfButtonValue === event.detail.value;
+
+ for (const radio of this._getElementsByName(event.target.name)) {
+ const curChecked = checked && radio.id === id;
+
+ if (radio.domElement) {
+ radio.domElement.checked = curChecked;
+ }
+
+ storage.setValue(radio.id, {
+ value: curChecked
+ });
+ }
+ }
+ };
+
+ this._dispatchEventFromSandbox(actions, jsEvent);
+ });
+
+ this._setEventListeners(element, [["change", "Validate"], ["change", "Action"], ["focus", "Focus"], ["blur", "Blur"], ["mousedown", "Mouse Down"], ["mouseenter", "Mouse Enter"], ["mouseleave", "Mouse Exit"], ["mouseup", "Mouse Up"]], event => event.target.checked);
+ }
+
+ this._setBackgroundColor(element);
+
+ this._setDefaultPropertiesFromJS(element);
+
+ this.container.append(element);
+ return this.container;
+ }
+
+}
+
+class PushButtonWidgetAnnotationElement extends LinkAnnotationElement {
+ constructor(parameters) {
+ super(parameters, {
+ ignoreBorder: parameters.data.hasAppearance
+ });
+ }
+
+ render() {
+ const container = super.render();
+ container.className = "buttonWidgetAnnotation pushButton";
+
+ if (this.data.alternativeText) {
+ container.title = this.data.alternativeText;
+ }
+
+ const linkElement = container.lastChild;
+
+ if (this.enableScripting && this.hasJSActions && linkElement) {
+ this._setDefaultPropertiesFromJS(linkElement);
+
+ linkElement.addEventListener("updatefromsandbox", jsEvent => {
+ this._dispatchEventFromSandbox({}, jsEvent);
+ });
+ }
+
+ return container;
+ }
+
+}
+
+class ChoiceWidgetAnnotationElement extends WidgetAnnotationElement {
+ constructor(parameters) {
+ super(parameters, {
+ isRenderable: parameters.renderForms
+ });
+ }
+
+ render() {
+ this.container.className = "choiceWidgetAnnotation";
+ const storage = this.annotationStorage;
+ const id = this.data.id;
+ const storedData = storage.getValue(id, {
+ value: this.data.fieldValue
+ });
+ const selectElement = document.createElement("select");
+ GetElementsByNameSet.add(selectElement);
+ selectElement.setAttribute("data-element-id", id);
+ selectElement.disabled = this.data.readOnly;
+
+ this._setRequired(selectElement, this.data.required);
+
+ selectElement.name = this.data.fieldName;
+ selectElement.tabIndex = DEFAULT_TAB_INDEX;
+ let addAnEmptyEntry = this.data.combo && this.data.options.length > 0;
+
+ if (!this.data.combo) {
+ selectElement.size = this.data.options.length;
+
+ if (this.data.multiSelect) {
+ selectElement.multiple = true;
+ }
+ }
+
+ selectElement.addEventListener("resetform", event => {
+ const defaultValue = this.data.defaultFieldValue;
+
+ for (const option of selectElement.options) {
+ option.selected = option.value === defaultValue;
+ }
+ });
+
+ for (const option of this.data.options) {
+ const optionElement = document.createElement("option");
+ optionElement.textContent = option.displayValue;
+ optionElement.value = option.exportValue;
+
+ if (storedData.value.includes(option.exportValue)) {
+ optionElement.setAttribute("selected", true);
+ addAnEmptyEntry = false;
+ }
+
+ selectElement.append(optionElement);
+ }
+
+ let removeEmptyEntry = null;
+
+ if (addAnEmptyEntry) {
+ const noneOptionElement = document.createElement("option");
+ noneOptionElement.value = " ";
+ noneOptionElement.setAttribute("hidden", true);
+ noneOptionElement.setAttribute("selected", true);
+ selectElement.prepend(noneOptionElement);
+
+ removeEmptyEntry = () => {
+ noneOptionElement.remove();
+ selectElement.removeEventListener("input", removeEmptyEntry);
+ removeEmptyEntry = null;
+ };
+
+ selectElement.addEventListener("input", removeEmptyEntry);
+ }
+
+ const getValue = (event, isExport) => {
+ const name = isExport ? "value" : "textContent";
+ const options = event.target.options;
+
+ if (!event.target.multiple) {
+ return options.selectedIndex === -1 ? null : options[options.selectedIndex][name];
+ }
+
+ return Array.prototype.filter.call(options, option => option.selected).map(option => option[name]);
+ };
+
+ const getItems = event => {
+ const options = event.target.options;
+ return Array.prototype.map.call(options, option => {
+ return {
+ displayValue: option.textContent,
+ exportValue: option.value
+ };
+ });
+ };
+
+ if (this.enableScripting && this.hasJSActions) {
+ selectElement.addEventListener("updatefromsandbox", jsEvent => {
+ const actions = {
+ value(event) {
+ removeEmptyEntry?.();
+ const value = event.detail.value;
+ const values = new Set(Array.isArray(value) ? value : [value]);
+
+ for (const option of selectElement.options) {
+ option.selected = values.has(option.value);
+ }
+
+ storage.setValue(id, {
+ value: getValue(event, true)
+ });
+ },
+
+ multipleSelection(event) {
+ selectElement.multiple = true;
+ },
+
+ remove(event) {
+ const options = selectElement.options;
+ const index = event.detail.remove;
+ options[index].selected = false;
+ selectElement.remove(index);
+
+ if (options.length > 0) {
+ const i = Array.prototype.findIndex.call(options, option => option.selected);
+
+ if (i === -1) {
+ options[0].selected = true;
+ }
+ }
+
+ storage.setValue(id, {
+ value: getValue(event, true),
+ items: getItems(event)
+ });
+ },
+
+ clear(event) {
+ while (selectElement.length !== 0) {
+ selectElement.remove(0);
+ }
+
+ storage.setValue(id, {
+ value: null,
+ items: []
+ });
+ },
+
+ insert(event) {
+ const {
+ index,
+ displayValue,
+ exportValue
+ } = event.detail.insert;
+ const selectChild = selectElement.children[index];
+ const optionElement = document.createElement("option");
+ optionElement.textContent = displayValue;
+ optionElement.value = exportValue;
+
+ if (selectChild) {
+ selectChild.before(optionElement);
+ } else {
+ selectElement.append(optionElement);
+ }
+
+ storage.setValue(id, {
+ value: getValue(event, true),
+ items: getItems(event)
+ });
+ },
+
+ items(event) {
+ const {
+ items
+ } = event.detail;
+
+ while (selectElement.length !== 0) {
+ selectElement.remove(0);
+ }
+
+ for (const item of items) {
+ const {
+ displayValue,
+ exportValue
+ } = item;
+ const optionElement = document.createElement("option");
+ optionElement.textContent = displayValue;
+ optionElement.value = exportValue;
+ selectElement.append(optionElement);
+ }
+
+ if (selectElement.options.length > 0) {
+ selectElement.options[0].selected = true;
+ }
+
+ storage.setValue(id, {
+ value: getValue(event, true),
+ items: getItems(event)
+ });
+ },
+
+ indices(event) {
+ const indices = new Set(event.detail.indices);
+
+ for (const option of event.target.options) {
+ option.selected = indices.has(option.index);
+ }
+
+ storage.setValue(id, {
+ value: getValue(event, true)
+ });
+ },
+
+ editable(event) {
+ event.target.disabled = !event.detail.editable;
+ }
+
+ };
+
+ this._dispatchEventFromSandbox(actions, jsEvent);
+ });
+ selectElement.addEventListener("input", event => {
+ const exportValue = getValue(event, true);
+ const value = getValue(event, false);
+ storage.setValue(id, {
+ value: exportValue
+ });
+ this.linkService.eventBus?.dispatch("dispatcheventinsandbox", {
+ source: this,
+ detail: {
+ id,
+ name: "Keystroke",
+ value,
+ changeEx: exportValue,
+ willCommit: true,
+ commitKey: 1,
+ keyDown: false
+ }
+ });
+ });
+
+ this._setEventListeners(selectElement, [["focus", "Focus"], ["blur", "Blur"], ["mousedown", "Mouse Down"], ["mouseenter", "Mouse Enter"], ["mouseleave", "Mouse Exit"], ["mouseup", "Mouse Up"], ["input", "Action"]], event => event.target.checked);
+ } else {
+ selectElement.addEventListener("input", function (event) {
+ storage.setValue(id, {
+ value: getValue(event, true)
+ });
+ });
+ }
+
+ if (this.data.combo) {
+ this._setTextStyle(selectElement);
+ } else {}
+
+ this._setBackgroundColor(selectElement);
+
+ this._setDefaultPropertiesFromJS(selectElement);
+
+ this.container.append(selectElement);
+ return this.container;
+ }
+
+}
+
+class PopupAnnotationElement extends AnnotationElement {
+ constructor(parameters) {
+ const isRenderable = !!(parameters.data.titleObj?.str || parameters.data.contentsObj?.str || parameters.data.richText?.str);
+ super(parameters, {
+ isRenderable
+ });
+ }
+
+ render() {
+ const IGNORE_TYPES = ["Line", "Square", "Circle", "PolyLine", "Polygon", "Ink"];
+ this.container.className = "popupAnnotation";
+
+ if (IGNORE_TYPES.includes(this.data.parentType)) {
+ return this.container;
+ }
+
+ const selector = `[data-annotation-id="${this.data.parentId}"]`;
+ const parentElements = this.layer.querySelectorAll(selector);
+
+ if (parentElements.length === 0) {
+ return this.container;
+ }
+
+ const popup = new PopupElement({
+ container: this.container,
+ trigger: Array.from(parentElements),
+ color: this.data.color,
+ titleObj: this.data.titleObj,
+ modificationDate: this.data.modificationDate,
+ contentsObj: this.data.contentsObj,
+ richText: this.data.richText
+ });
+ const page = this.page;
+
+ const rect = _util.Util.normalizeRect([this.data.parentRect[0], page.view[3] - this.data.parentRect[1] + page.view[1], this.data.parentRect[2], page.view[3] - this.data.parentRect[3] + page.view[1]]);
+
+ const popupLeft = rect[0] + this.data.parentRect[2] - this.data.parentRect[0];
+ const popupTop = rect[1];
+ const [pageLLx, pageLLy, pageURx, pageURy] = this.viewport.viewBox;
+ const pageWidth = pageURx - pageLLx;
+ const pageHeight = pageURy - pageLLy;
+ this.container.style.left = `${100 * (popupLeft - pageLLx) / pageWidth}%`;
+ this.container.style.top = `${100 * (popupTop - pageLLy) / pageHeight}%`;
+ this.container.append(popup.render());
+ return this.container;
+ }
+
+}
+
+class PopupElement {
+ constructor(parameters) {
+ this.container = parameters.container;
+ this.trigger = parameters.trigger;
+ this.color = parameters.color;
+ this.titleObj = parameters.titleObj;
+ this.modificationDate = parameters.modificationDate;
+ this.contentsObj = parameters.contentsObj;
+ this.richText = parameters.richText;
+ this.hideWrapper = parameters.hideWrapper || false;
+ this.pinned = false;
+ }
+
+ render() {
+ const BACKGROUND_ENLIGHT = 0.7;
+ const wrapper = document.createElement("div");
+ wrapper.className = "popupWrapper";
+ this.hideElement = this.hideWrapper ? wrapper : this.container;
+ this.hideElement.hidden = true;
+ const popup = document.createElement("div");
+ popup.className = "popup";
+ const color = this.color;
+
+ if (color) {
+ const r = BACKGROUND_ENLIGHT * (255 - color[0]) + color[0];
+ const g = BACKGROUND_ENLIGHT * (255 - color[1]) + color[1];
+ const b = BACKGROUND_ENLIGHT * (255 - color[2]) + color[2];
+ popup.style.backgroundColor = _util.Util.makeHexColor(r | 0, g | 0, b | 0);
+ }
+
+ const title = document.createElement("h1");
+ title.dir = this.titleObj.dir;
+ title.textContent = this.titleObj.str;
+ popup.append(title);
+
+ const dateObject = _display_utils.PDFDateString.toDateObject(this.modificationDate);
+
+ if (dateObject) {
+ const modificationDate = document.createElement("span");
+ modificationDate.className = "popupDate";
+ modificationDate.textContent = "{{date}}, {{time}}";
+ modificationDate.dataset.l10nId = "annotation_date_string";
+ modificationDate.dataset.l10nArgs = JSON.stringify({
+ date: dateObject.toLocaleDateString(),
+ time: dateObject.toLocaleTimeString()
+ });
+ popup.append(modificationDate);
+ }
+
+ if (this.richText?.str && (!this.contentsObj?.str || this.contentsObj.str === this.richText.str)) {
+ _xfa_layer.XfaLayer.render({
+ xfaHtml: this.richText.html,
+ intent: "richText",
+ div: popup
+ });
+
+ popup.lastChild.className = "richText popupContent";
+ } else {
+ const contents = this._formatContents(this.contentsObj);
+
+ popup.append(contents);
+ }
+
+ if (!Array.isArray(this.trigger)) {
+ this.trigger = [this.trigger];
+ }
+
+ for (const element of this.trigger) {
+ element.addEventListener("click", this._toggle.bind(this));
+ element.addEventListener("mouseover", this._show.bind(this, false));
+ element.addEventListener("mouseout", this._hide.bind(this, false));
+ }
+
+ popup.addEventListener("click", this._hide.bind(this, true));
+ wrapper.append(popup);
+ return wrapper;
+ }
+
+ _formatContents({
+ str,
+ dir
+ }) {
+ const p = document.createElement("p");
+ p.className = "popupContent";
+ p.dir = dir;
+ const lines = str.split(/(?:\r\n?|\n)/);
+
+ for (let i = 0, ii = lines.length; i < ii; ++i) {
+ const line = lines[i];
+ p.append(document.createTextNode(line));
+
+ if (i < ii - 1) {
+ p.append(document.createElement("br"));
+ }
+ }
+
+ return p;
+ }
+
+ _toggle() {
+ if (this.pinned) {
+ this._hide(true);
+ } else {
+ this._show(true);
+ }
+ }
+
+ _show(pin = false) {
+ if (pin) {
+ this.pinned = true;
+ }
+
+ if (this.hideElement.hidden) {
+ this.hideElement.hidden = false;
+ this.container.style.zIndex = parseInt(this.container.style.zIndex) + 1000;
+ }
+ }
+
+ _hide(unpin = true) {
+ if (unpin) {
+ this.pinned = false;
+ }
+
+ if (!this.hideElement.hidden && !this.pinned) {
+ this.hideElement.hidden = true;
+ this.container.style.zIndex = parseInt(this.container.style.zIndex) - 1000;
+ }
+ }
+
+}
+
+class FreeTextAnnotationElement extends AnnotationElement {
+ constructor(parameters) {
+ const isRenderable = !!(parameters.data.hasPopup || parameters.data.titleObj?.str || parameters.data.contentsObj?.str || parameters.data.richText?.str);
+ super(parameters, {
+ isRenderable,
+ ignoreBorder: true
+ });
+ this.textContent = parameters.data.textContent;
+ }
+
+ render() {
+ this.container.className = "freeTextAnnotation";
+
+ if (this.textContent) {
+ const content = document.createElement("div");
+ content.className = "annotationTextContent";
+ content.setAttribute("role", "comment");
+
+ for (const line of this.textContent) {
+ const lineSpan = document.createElement("span");
+ lineSpan.textContent = line;
+ content.append(lineSpan);
+ }
+
+ this.container.append(content);
+ }
+
+ if (!this.data.hasPopup) {
+ this._createPopup(null, this.data);
+ }
+
+ return this.container;
+ }
+
+}
+
+class LineAnnotationElement extends AnnotationElement {
+ constructor(parameters) {
+ const isRenderable = !!(parameters.data.hasPopup || parameters.data.titleObj?.str || parameters.data.contentsObj?.str || parameters.data.richText?.str);
+ super(parameters, {
+ isRenderable,
+ ignoreBorder: true
+ });
+ }
+
+ render() {
+ this.container.className = "lineAnnotation";
+ const data = this.data;
+ const {
+ width,
+ height
+ } = getRectDims(data.rect);
+ const svg = this.svgFactory.create(width, height, true);
+ const line = this.svgFactory.createElement("svg:line");
+ line.setAttribute("x1", data.rect[2] - data.lineCoordinates[0]);
+ line.setAttribute("y1", data.rect[3] - data.lineCoordinates[1]);
+ line.setAttribute("x2", data.rect[2] - data.lineCoordinates[2]);
+ line.setAttribute("y2", data.rect[3] - data.lineCoordinates[3]);
+ line.setAttribute("stroke-width", data.borderStyle.width || 1);
+ line.setAttribute("stroke", "transparent");
+ line.setAttribute("fill", "transparent");
+ svg.append(line);
+ this.container.append(svg);
+
+ this._createPopup(line, data);
+
+ return this.container;
+ }
+
+}
+
+class SquareAnnotationElement extends AnnotationElement {
+ constructor(parameters) {
+ const isRenderable = !!(parameters.data.hasPopup || parameters.data.titleObj?.str || parameters.data.contentsObj?.str || parameters.data.richText?.str);
+ super(parameters, {
+ isRenderable,
+ ignoreBorder: true
+ });
+ }
+
+ render() {
+ this.container.className = "squareAnnotation";
+ const data = this.data;
+ const {
+ width,
+ height
+ } = getRectDims(data.rect);
+ const svg = this.svgFactory.create(width, height, true);
+ const borderWidth = data.borderStyle.width;
+ const square = this.svgFactory.createElement("svg:rect");
+ square.setAttribute("x", borderWidth / 2);
+ square.setAttribute("y", borderWidth / 2);
+ square.setAttribute("width", width - borderWidth);
+ square.setAttribute("height", height - borderWidth);
+ square.setAttribute("stroke-width", borderWidth || 1);
+ square.setAttribute("stroke", "transparent");
+ square.setAttribute("fill", "transparent");
+ svg.append(square);
+ this.container.append(svg);
+
+ this._createPopup(square, data);
+
+ return this.container;
+ }
+
+}
+
+class CircleAnnotationElement extends AnnotationElement {
+ constructor(parameters) {
+ const isRenderable = !!(parameters.data.hasPopup || parameters.data.titleObj?.str || parameters.data.contentsObj?.str || parameters.data.richText?.str);
+ super(parameters, {
+ isRenderable,
+ ignoreBorder: true
+ });
+ }
+
+ render() {
+ this.container.className = "circleAnnotation";
+ const data = this.data;
+ const {
+ width,
+ height
+ } = getRectDims(data.rect);
+ const svg = this.svgFactory.create(width, height, true);
+ const borderWidth = data.borderStyle.width;
+ const circle = this.svgFactory.createElement("svg:ellipse");
+ circle.setAttribute("cx", width / 2);
+ circle.setAttribute("cy", height / 2);
+ circle.setAttribute("rx", width / 2 - borderWidth / 2);
+ circle.setAttribute("ry", height / 2 - borderWidth / 2);
+ circle.setAttribute("stroke-width", borderWidth || 1);
+ circle.setAttribute("stroke", "transparent");
+ circle.setAttribute("fill", "transparent");
+ svg.append(circle);
+ this.container.append(svg);
+
+ this._createPopup(circle, data);
+
+ return this.container;
+ }
+
+}
+
+class PolylineAnnotationElement extends AnnotationElement {
+ constructor(parameters) {
+ const isRenderable = !!(parameters.data.hasPopup || parameters.data.titleObj?.str || parameters.data.contentsObj?.str || parameters.data.richText?.str);
+ super(parameters, {
+ isRenderable,
+ ignoreBorder: true
+ });
+ this.containerClassName = "polylineAnnotation";
+ this.svgElementName = "svg:polyline";
+ }
+
+ render() {
+ this.container.className = this.containerClassName;
+ const data = this.data;
+ const {
+ width,
+ height
+ } = getRectDims(data.rect);
+ const svg = this.svgFactory.create(width, height, true);
+ let points = [];
+
+ for (const coordinate of data.vertices) {
+ const x = coordinate.x - data.rect[0];
+ const y = data.rect[3] - coordinate.y;
+ points.push(x + "," + y);
+ }
+
+ points = points.join(" ");
+ const polyline = this.svgFactory.createElement(this.svgElementName);
+ polyline.setAttribute("points", points);
+ polyline.setAttribute("stroke-width", data.borderStyle.width || 1);
+ polyline.setAttribute("stroke", "transparent");
+ polyline.setAttribute("fill", "transparent");
+ svg.append(polyline);
+ this.container.append(svg);
+
+ this._createPopup(polyline, data);
+
+ return this.container;
+ }
+
+}
+
+class PolygonAnnotationElement extends PolylineAnnotationElement {
+ constructor(parameters) {
+ super(parameters);
+ this.containerClassName = "polygonAnnotation";
+ this.svgElementName = "svg:polygon";
+ }
+
+}
+
+class CaretAnnotationElement extends AnnotationElement {
+ constructor(parameters) {
+ const isRenderable = !!(parameters.data.hasPopup || parameters.data.titleObj?.str || parameters.data.contentsObj?.str || parameters.data.richText?.str);
+ super(parameters, {
+ isRenderable,
+ ignoreBorder: true
+ });
+ }
+
+ render() {
+ this.container.className = "caretAnnotation";
+
+ if (!this.data.hasPopup) {
+ this._createPopup(null, this.data);
+ }
+
+ return this.container;
+ }
+
+}
+
+class InkAnnotationElement extends AnnotationElement {
+ constructor(parameters) {
+ const isRenderable = !!(parameters.data.hasPopup || parameters.data.titleObj?.str || parameters.data.contentsObj?.str || parameters.data.richText?.str);
+ super(parameters, {
+ isRenderable,
+ ignoreBorder: true
+ });
+ this.containerClassName = "inkAnnotation";
+ this.svgElementName = "svg:polyline";
+ }
+
+ render() {
+ this.container.className = this.containerClassName;
+ const data = this.data;
+ const {
+ width,
+ height
+ } = getRectDims(data.rect);
+ const svg = this.svgFactory.create(width, height, true);
+
+ for (const inkList of data.inkLists) {
+ let points = [];
+
+ for (const coordinate of inkList) {
+ const x = coordinate.x - data.rect[0];
+ const y = data.rect[3] - coordinate.y;
+ points.push(`${x},${y}`);
+ }
+
+ points = points.join(" ");
+ const polyline = this.svgFactory.createElement(this.svgElementName);
+ polyline.setAttribute("points", points);
+ polyline.setAttribute("stroke-width", data.borderStyle.width || 1);
+ polyline.setAttribute("stroke", "transparent");
+ polyline.setAttribute("fill", "transparent");
+
+ this._createPopup(polyline, data);
+
+ svg.append(polyline);
+ }
+
+ this.container.append(svg);
+ return this.container;
+ }
+
+}
+
+class HighlightAnnotationElement extends AnnotationElement {
+ constructor(parameters) {
+ const isRenderable = !!(parameters.data.hasPopup || parameters.data.titleObj?.str || parameters.data.contentsObj?.str || parameters.data.richText?.str);
+ super(parameters, {
+ isRenderable,
+ ignoreBorder: true,
+ createQuadrilaterals: true
+ });
+ }
+
+ render() {
+ if (!this.data.hasPopup) {
+ this._createPopup(null, this.data);
+ }
+
+ if (this.quadrilaterals) {
+ return this._renderQuadrilaterals("highlightAnnotation");
+ }
+
+ this.container.className = "highlightAnnotation";
+ return this.container;
+ }
+
+}
+
+class UnderlineAnnotationElement extends AnnotationElement {
+ constructor(parameters) {
+ const isRenderable = !!(parameters.data.hasPopup || parameters.data.titleObj?.str || parameters.data.contentsObj?.str || parameters.data.richText?.str);
+ super(parameters, {
+ isRenderable,
+ ignoreBorder: true,
+ createQuadrilaterals: true
+ });
+ }
+
+ render() {
+ if (!this.data.hasPopup) {
+ this._createPopup(null, this.data);
+ }
+
+ if (this.quadrilaterals) {
+ return this._renderQuadrilaterals("underlineAnnotation");
+ }
+
+ this.container.className = "underlineAnnotation";
+ return this.container;
+ }
+
+}
+
+class SquigglyAnnotationElement extends AnnotationElement {
+ constructor(parameters) {
+ const isRenderable = !!(parameters.data.hasPopup || parameters.data.titleObj?.str || parameters.data.contentsObj?.str || parameters.data.richText?.str);
+ super(parameters, {
+ isRenderable,
+ ignoreBorder: true,
+ createQuadrilaterals: true
+ });
+ }
+
+ render() {
+ if (!this.data.hasPopup) {
+ this._createPopup(null, this.data);
+ }
+
+ if (this.quadrilaterals) {
+ return this._renderQuadrilaterals("squigglyAnnotation");
+ }
+
+ this.container.className = "squigglyAnnotation";
+ return this.container;
+ }
+
+}
+
+class StrikeOutAnnotationElement extends AnnotationElement {
+ constructor(parameters) {
+ const isRenderable = !!(parameters.data.hasPopup || parameters.data.titleObj?.str || parameters.data.contentsObj?.str || parameters.data.richText?.str);
+ super(parameters, {
+ isRenderable,
+ ignoreBorder: true,
+ createQuadrilaterals: true
+ });
+ }
+
+ render() {
+ if (!this.data.hasPopup) {
+ this._createPopup(null, this.data);
+ }
+
+ if (this.quadrilaterals) {
+ return this._renderQuadrilaterals("strikeoutAnnotation");
+ }
+
+ this.container.className = "strikeoutAnnotation";
+ return this.container;
+ }
+
+}
+
+class StampAnnotationElement extends AnnotationElement {
+ constructor(parameters) {
+ const isRenderable = !!(parameters.data.hasPopup || parameters.data.titleObj?.str || parameters.data.contentsObj?.str || parameters.data.richText?.str);
+ super(parameters, {
+ isRenderable,
+ ignoreBorder: true
+ });
+ }
+
+ render() {
+ this.container.className = "stampAnnotation";
+
+ if (!this.data.hasPopup) {
+ this._createPopup(null, this.data);
+ }
+
+ return this.container;
+ }
+
+}
+
+class FileAttachmentAnnotationElement extends AnnotationElement {
+ constructor(parameters) {
+ super(parameters, {
+ isRenderable: true
+ });
+ const {
+ filename,
+ content
+ } = this.data.file;
+ this.filename = (0, _display_utils.getFilenameFromUrl)(filename);
+ this.content = content;
+ this.linkService.eventBus?.dispatch("fileattachmentannotation", {
+ source: this,
+ filename,
+ content
+ });
+ }
+
+ render() {
+ this.container.className = "fileAttachmentAnnotation";
+ const trigger = document.createElement("div");
+ trigger.className = "popupTriggerArea";
+ trigger.addEventListener("dblclick", this._download.bind(this));
+
+ if (!this.data.hasPopup && (this.data.titleObj?.str || this.data.contentsObj?.str || this.data.richText)) {
+ this._createPopup(trigger, this.data);
+ }
+
+ this.container.append(trigger);
+ return this.container;
+ }
+
+ _download() {
+ this.downloadManager?.openOrDownloadData(this.container, this.content, this.filename);
+ }
+
+}
+
+class AnnotationLayer {
+ static #appendElement(element, id, div, accessibilityManager) {
+ const contentElement = element.firstChild || element;
+ contentElement.id = `${_display_utils.AnnotationPrefix}${id}`;
+ div.append(element);
+ accessibilityManager?.moveElementInDOM(div, element, contentElement, false);
+ }
+
+ static render(parameters) {
+ const {
+ annotations,
+ div,
+ viewport,
+ accessibilityManager
+ } = parameters;
+ this.#setDimensions(div, viewport);
+ let zIndex = 0;
+
+ for (const data of annotations) {
+ if (data.annotationType !== _util.AnnotationType.POPUP) {
+ const {
+ width,
+ height
+ } = getRectDims(data.rect);
+
+ if (width <= 0 || height <= 0) {
+ continue;
}
- results = [];
- rejectAll(reason);
}
- for (var i = 0, ii = promises.length; i < ii; ++i) {
- var promise = promises[i];
- var resolve = function (i) {
- return function (value) {
- if (deferred._status === STATUS_REJECTED) {
- return;
- }
- results[i] = value;
- unresolved--;
- if (unresolved === 0) {
- resolveAll(results);
- }
- };
- }(i);
- if (Promise.isPromise(promise)) {
- promise.then(resolve, reject);
+
+ const element = AnnotationElementFactory.create({
+ data,
+ layer: div,
+ page: parameters.page,
+ viewport,
+ linkService: parameters.linkService,
+ downloadManager: parameters.downloadManager,
+ imageResourcesPath: parameters.imageResourcesPath || "",
+ renderForms: parameters.renderForms !== false,
+ svgFactory: new _display_utils.DOMSVGFactory(),
+ annotationStorage: parameters.annotationStorage || new _annotation_storage.AnnotationStorage(),
+ enableScripting: parameters.enableScripting,
+ hasJSActions: parameters.hasJSActions,
+ fieldObjects: parameters.fieldObjects,
+ mouseState: parameters.mouseState || {
+ isDown: false
+ }
+ });
+
+ if (element.isRenderable) {
+ const rendered = element.render();
+
+ if (data.hidden) {
+ rendered.style.visibility = "hidden";
+ }
+
+ if (Array.isArray(rendered)) {
+ for (const renderedElement of rendered) {
+ renderedElement.style.zIndex = zIndex++;
+ AnnotationLayer.#appendElement(renderedElement, data.id, div, accessibilityManager);
+ }
} else {
- resolve(promise);
- }
- }
- return deferred;
- };
- Promise.isPromise = function Promise_isPromise(value) {
- return value && typeof value.then === 'function';
- };
- Promise.resolve = function Promise_resolve(value) {
- return new Promise(function (resolve) {
- resolve(value);
- });
- };
- Promise.reject = function Promise_reject(reason) {
- return new Promise(function (resolve, reject) {
- reject(reason);
- });
- };
- Promise.prototype = {
- _status: null,
- _value: null,
- _handlers: null,
- _unhandledRejection: null,
- _updateStatus: function Promise__updateStatus(status, value) {
- if (this._status === STATUS_RESOLVED || this._status === STATUS_REJECTED) {
- return;
- }
- if (status === STATUS_RESOLVED && Promise.isPromise(value)) {
- value.then(this._updateStatus.bind(this, STATUS_RESOLVED), this._updateStatus.bind(this, STATUS_REJECTED));
- return;
- }
- this._status = status;
- this._value = value;
- if (status === STATUS_REJECTED && this._handlers.length === 0) {
- this._unhandledRejection = true;
- HandlerManager.addUnhandledRejection(this);
- }
- HandlerManager.scheduleHandlers(this);
- },
- _resolve: function Promise_resolve(value) {
- this._updateStatus(STATUS_RESOLVED, value);
- },
- _reject: function Promise_reject(reason) {
- this._updateStatus(STATUS_REJECTED, reason);
- },
- then: function Promise_then(onResolve, onReject) {
- var nextPromise = new Promise(function (resolve, reject) {
- this.resolve = resolve;
- this.reject = reject;
- });
- this._handlers.push({
- thisPromise: this,
- onResolve: onResolve,
- onReject: onReject,
- nextPromise: nextPromise
- });
- HandlerManager.scheduleHandlers(this);
- return nextPromise;
- },
- catch: function Promise_catch(onReject) {
- return this.then(undefined, onReject);
- }
- };
- globalScope.Promise = Promise;
- })();
- (function checkWeakMap() {
- if (globalScope.WeakMap) {
- return;
- }
- var id = 0;
- function WeakMap() {
- this.id = '$weakmap' + id++;
- }
- WeakMap.prototype = {
- has: function has(obj) {
- if ((typeof obj === 'undefined' ? 'undefined' : _typeof(obj)) !== 'object' && typeof obj !== 'function' || obj === null) {
- return false;
- }
- return !!Object.getOwnPropertyDescriptor(obj, this.id);
- },
- get: function get(obj) {
- return this.has(obj) ? obj[this.id] : undefined;
- },
- set: function set(obj, value) {
- Object.defineProperty(obj, this.id, {
- value: value,
- enumerable: false,
- configurable: true
- });
- },
- delete: function _delete(obj) {
- delete obj[this.id];
- }
- };
- globalScope.WeakMap = WeakMap;
- })();
- (function checkURLConstructor() {
- var hasWorkingUrl = false;
- try {
- if (typeof URL === 'function' && _typeof(URL.prototype) === 'object' && 'origin' in URL.prototype) {
- var u = new URL('b', 'http://a');
- u.pathname = 'c%20d';
- hasWorkingUrl = u.href === 'http://a/c%20d';
- }
- } catch (e) {}
- if (hasWorkingUrl) {
- return;
- }
- var relative = Object.create(null);
- relative['ftp'] = 21;
- relative['file'] = 0;
- relative['gopher'] = 70;
- relative['http'] = 80;
- relative['https'] = 443;
- relative['ws'] = 80;
- relative['wss'] = 443;
- var relativePathDotMapping = Object.create(null);
- relativePathDotMapping['%2e'] = '.';
- relativePathDotMapping['.%2e'] = '..';
- relativePathDotMapping['%2e.'] = '..';
- relativePathDotMapping['%2e%2e'] = '..';
- function isRelativeScheme(scheme) {
- return relative[scheme] !== undefined;
- }
- function invalid() {
- clear.call(this);
- this._isInvalid = true;
- }
- function IDNAToASCII(h) {
- if (h === '') {
- invalid.call(this);
- }
- return h.toLowerCase();
- }
- function percentEscape(c) {
- var unicode = c.charCodeAt(0);
- if (unicode > 0x20 && unicode < 0x7F && [0x22, 0x23, 0x3C, 0x3E, 0x3F, 0x60].indexOf(unicode) === -1) {
- return c;
- }
- return encodeURIComponent(c);
- }
- function percentEscapeQuery(c) {
- var unicode = c.charCodeAt(0);
- if (unicode > 0x20 && unicode < 0x7F && [0x22, 0x23, 0x3C, 0x3E, 0x60].indexOf(unicode) === -1) {
- return c;
- }
- return encodeURIComponent(c);
- }
- var EOF,
- ALPHA = /[a-zA-Z]/,
- ALPHANUMERIC = /[a-zA-Z0-9\+\-\.]/;
- function parse(input, stateOverride, base) {
- function err(message) {
- errors.push(message);
- }
- var state = stateOverride || 'scheme start',
- cursor = 0,
- buffer = '',
- seenAt = false,
- seenBracket = false,
- errors = [];
- loop: while ((input[cursor - 1] !== EOF || cursor === 0) && !this._isInvalid) {
- var c = input[cursor];
- switch (state) {
- case 'scheme start':
- if (c && ALPHA.test(c)) {
- buffer += c.toLowerCase();
- state = 'scheme';
- } else if (!stateOverride) {
- buffer = '';
- state = 'no scheme';
- continue;
- } else {
- err('Invalid scheme.');
- break loop;
- }
- break;
- case 'scheme':
- if (c && ALPHANUMERIC.test(c)) {
- buffer += c.toLowerCase();
- } else if (c === ':') {
- this._scheme = buffer;
- buffer = '';
- if (stateOverride) {
- break loop;
- }
- if (isRelativeScheme(this._scheme)) {
- this._isRelative = true;
- }
- if (this._scheme === 'file') {
- state = 'relative';
- } else if (this._isRelative && base && base._scheme === this._scheme) {
- state = 'relative or authority';
- } else if (this._isRelative) {
- state = 'authority first slash';
- } else {
- state = 'scheme data';
- }
- } else if (!stateOverride) {
- buffer = '';
- cursor = 0;
- state = 'no scheme';
- continue;
- } else if (c === EOF) {
- break loop;
- } else {
- err('Code point not allowed in scheme: ' + c);
- break loop;
- }
- break;
- case 'scheme data':
- if (c === '?') {
- this._query = '?';
- state = 'query';
- } else if (c === '#') {
- this._fragment = '#';
- state = 'fragment';
- } else {
- if (c !== EOF && c !== '\t' && c !== '\n' && c !== '\r') {
- this._schemeData += percentEscape(c);
- }
- }
- break;
- case 'no scheme':
- if (!base || !isRelativeScheme(base._scheme)) {
- err('Missing scheme.');
- invalid.call(this);
- } else {
- state = 'relative';
- continue;
- }
- break;
- case 'relative or authority':
- if (c === '/' && input[cursor + 1] === '/') {
- state = 'authority ignore slashes';
- } else {
- err('Expected /, got: ' + c);
- state = 'relative';
- continue;
- }
- break;
- case 'relative':
- this._isRelative = true;
- if (this._scheme !== 'file') {
- this._scheme = base._scheme;
- }
- if (c === EOF) {
- this._host = base._host;
- this._port = base._port;
- this._path = base._path.slice();
- this._query = base._query;
- this._username = base._username;
- this._password = base._password;
- break loop;
- } else if (c === '/' || c === '\\') {
- if (c === '\\') {
- err('\\ is an invalid code point.');
- }
- state = 'relative slash';
- } else if (c === '?') {
- this._host = base._host;
- this._port = base._port;
- this._path = base._path.slice();
- this._query = '?';
- this._username = base._username;
- this._password = base._password;
- state = 'query';
- } else if (c === '#') {
- this._host = base._host;
- this._port = base._port;
- this._path = base._path.slice();
- this._query = base._query;
- this._fragment = '#';
- this._username = base._username;
- this._password = base._password;
- state = 'fragment';
- } else {
- var nextC = input[cursor + 1];
- var nextNextC = input[cursor + 2];
- if (this._scheme !== 'file' || !ALPHA.test(c) || nextC !== ':' && nextC !== '|' || nextNextC !== EOF && nextNextC !== '/' && nextNextC !== '\\' && nextNextC !== '?' && nextNextC !== '#') {
- this._host = base._host;
- this._port = base._port;
- this._username = base._username;
- this._password = base._password;
- this._path = base._path.slice();
- this._path.pop();
- }
- state = 'relative path';
- continue;
- }
- break;
- case 'relative slash':
- if (c === '/' || c === '\\') {
- if (c === '\\') {
- err('\\ is an invalid code point.');
- }
- if (this._scheme === 'file') {
- state = 'file host';
- } else {
- state = 'authority ignore slashes';
- }
- } else {
- if (this._scheme !== 'file') {
- this._host = base._host;
- this._port = base._port;
- this._username = base._username;
- this._password = base._password;
- }
- state = 'relative path';
- continue;
- }
- break;
- case 'authority first slash':
- if (c === '/') {
- state = 'authority second slash';
- } else {
- err('Expected \'/\', got: ' + c);
- state = 'authority ignore slashes';
- continue;
- }
- break;
- case 'authority second slash':
- state = 'authority ignore slashes';
- if (c !== '/') {
- err('Expected \'/\', got: ' + c);
- continue;
- }
- break;
- case 'authority ignore slashes':
- if (c !== '/' && c !== '\\') {
- state = 'authority';
- continue;
- } else {
- err('Expected authority, got: ' + c);
- }
- break;
- case 'authority':
- if (c === '@') {
- if (seenAt) {
- err('@ already seen.');
- buffer += '%40';
- }
- seenAt = true;
- for (var i = 0; i < buffer.length; i++) {
- var cp = buffer[i];
- if (cp === '\t' || cp === '\n' || cp === '\r') {
- err('Invalid whitespace in authority.');
- continue;
- }
- if (cp === ':' && this._password === null) {
- this._password = '';
- continue;
- }
- var tempC = percentEscape(cp);
- if (this._password !== null) {
- this._password += tempC;
- } else {
- this._username += tempC;
- }
- }
- buffer = '';
- } else if (c === EOF || c === '/' || c === '\\' || c === '?' || c === '#') {
- cursor -= buffer.length;
- buffer = '';
- state = 'host';
- continue;
- } else {
- buffer += c;
- }
- break;
- case 'file host':
- if (c === EOF || c === '/' || c === '\\' || c === '?' || c === '#') {
- if (buffer.length === 2 && ALPHA.test(buffer[0]) && (buffer[1] === ':' || buffer[1] === '|')) {
- state = 'relative path';
- } else if (buffer.length === 0) {
- state = 'relative path start';
- } else {
- this._host = IDNAToASCII.call(this, buffer);
- buffer = '';
- state = 'relative path start';
- }
- continue;
- } else if (c === '\t' || c === '\n' || c === '\r') {
- err('Invalid whitespace in file host.');
- } else {
- buffer += c;
- }
- break;
- case 'host':
- case 'hostname':
- if (c === ':' && !seenBracket) {
- this._host = IDNAToASCII.call(this, buffer);
- buffer = '';
- state = 'port';
- if (stateOverride === 'hostname') {
- break loop;
- }
- } else if (c === EOF || c === '/' || c === '\\' || c === '?' || c === '#') {
- this._host = IDNAToASCII.call(this, buffer);
- buffer = '';
- state = 'relative path start';
- if (stateOverride) {
- break loop;
- }
- continue;
- } else if (c !== '\t' && c !== '\n' && c !== '\r') {
- if (c === '[') {
- seenBracket = true;
- } else if (c === ']') {
- seenBracket = false;
- }
- buffer += c;
- } else {
- err('Invalid code point in host/hostname: ' + c);
- }
- break;
- case 'port':
- if (/[0-9]/.test(c)) {
- buffer += c;
- } else if (c === EOF || c === '/' || c === '\\' || c === '?' || c === '#' || stateOverride) {
- if (buffer !== '') {
- var temp = parseInt(buffer, 10);
- if (temp !== relative[this._scheme]) {
- this._port = temp + '';
- }
- buffer = '';
- }
- if (stateOverride) {
- break loop;
- }
- state = 'relative path start';
- continue;
- } else if (c === '\t' || c === '\n' || c === '\r') {
- err('Invalid code point in port: ' + c);
- } else {
- invalid.call(this);
- }
- break;
- case 'relative path start':
- if (c === '\\') {
- err('\'\\\' not allowed in path.');
- }
- state = 'relative path';
- if (c !== '/' && c !== '\\') {
- continue;
- }
- break;
- case 'relative path':
- if (c === EOF || c === '/' || c === '\\' || !stateOverride && (c === '?' || c === '#')) {
- if (c === '\\') {
- err('\\ not allowed in relative path.');
- }
- var tmp;
- if (tmp = relativePathDotMapping[buffer.toLowerCase()]) {
- buffer = tmp;
- }
- if (buffer === '..') {
- this._path.pop();
- if (c !== '/' && c !== '\\') {
- this._path.push('');
- }
- } else if (buffer === '.' && c !== '/' && c !== '\\') {
- this._path.push('');
- } else if (buffer !== '.') {
- if (this._scheme === 'file' && this._path.length === 0 && buffer.length === 2 && ALPHA.test(buffer[0]) && buffer[1] === '|') {
- buffer = buffer[0] + ':';
- }
- this._path.push(buffer);
- }
- buffer = '';
- if (c === '?') {
- this._query = '?';
- state = 'query';
- } else if (c === '#') {
- this._fragment = '#';
- state = 'fragment';
- }
- } else if (c !== '\t' && c !== '\n' && c !== '\r') {
- buffer += percentEscape(c);
- }
- break;
- case 'query':
- if (!stateOverride && c === '#') {
- this._fragment = '#';
- state = 'fragment';
- } else if (c !== EOF && c !== '\t' && c !== '\n' && c !== '\r') {
- this._query += percentEscapeQuery(c);
- }
- break;
- case 'fragment':
- if (c !== EOF && c !== '\t' && c !== '\n' && c !== '\r') {
- this._fragment += c;
- }
- break;
- }
- cursor++;
- }
- }
- function clear() {
- this._scheme = '';
- this._schemeData = '';
- this._username = '';
- this._password = null;
- this._host = '';
- this._port = '';
- this._path = [];
- this._query = '';
- this._fragment = '';
- this._isInvalid = false;
- this._isRelative = false;
- }
- function JURL(url, base) {
- if (base !== undefined && !(base instanceof JURL)) {
- base = new JURL(String(base));
- }
- this._url = url;
- clear.call(this);
- var input = url.replace(/^[ \t\r\n\f]+|[ \t\r\n\f]+$/g, '');
- parse.call(this, input, null, base);
- }
- JURL.prototype = {
- toString: function toString() {
- return this.href;
- },
+ rendered.style.zIndex = zIndex++;
- get href() {
- if (this._isInvalid) {
- return this._url;
+ if (element instanceof PopupAnnotationElement) {
+ div.prepend(rendered);
+ } else {
+ AnnotationLayer.#appendElement(rendered, data.id, div, accessibilityManager);
+ }
}
- var authority = '';
- if (this._username !== '' || this._password !== null) {
- authority = this._username + (this._password !== null ? ':' + this._password : '') + '@';
- }
- return this.protocol + (this._isRelative ? '//' + authority + this.host : '') + this.pathname + this._query + this._fragment;
- },
- set href(value) {
- clear.call(this);
- parse.call(this, value);
- },
- get protocol() {
- return this._scheme + ':';
- },
- set protocol(value) {
- if (this._isInvalid) {
- return;
- }
- parse.call(this, value + ':', 'scheme start');
- },
- get host() {
- return this._isInvalid ? '' : this._port ? this._host + ':' + this._port : this._host;
- },
- set host(value) {
- if (this._isInvalid || !this._isRelative) {
- return;
- }
- parse.call(this, value, 'host');
- },
- get hostname() {
- return this._host;
- },
- set hostname(value) {
- if (this._isInvalid || !this._isRelative) {
- return;
- }
- parse.call(this, value, 'hostname');
- },
- get port() {
- return this._port;
- },
- set port(value) {
- if (this._isInvalid || !this._isRelative) {
- return;
- }
- parse.call(this, value, 'port');
- },
- get pathname() {
- return this._isInvalid ? '' : this._isRelative ? '/' + this._path.join('/') : this._schemeData;
- },
- set pathname(value) {
- if (this._isInvalid || !this._isRelative) {
- return;
- }
- this._path = [];
- parse.call(this, value, 'relative path start');
- },
- get search() {
- return this._isInvalid || !this._query || this._query === '?' ? '' : this._query;
- },
- set search(value) {
- if (this._isInvalid || !this._isRelative) {
- return;
- }
- this._query = '?';
- if (value[0] === '?') {
- value = value.slice(1);
- }
- parse.call(this, value, 'query');
- },
- get hash() {
- return this._isInvalid || !this._fragment || this._fragment === '#' ? '' : this._fragment;
- },
- set hash(value) {
- if (this._isInvalid) {
- return;
- }
- this._fragment = '#';
- if (value[0] === '#') {
- value = value.slice(1);
- }
- parse.call(this, value, 'fragment');
- },
- get origin() {
- var host;
- if (this._isInvalid || !this._scheme) {
- return '';
- }
- switch (this._scheme) {
- case 'data':
- case 'file':
- case 'javascript':
- case 'mailto':
- return 'null';
- case 'blob':
- try {
- return new JURL(this._schemeData).origin || 'null';
- } catch (_) {}
- return 'null';
- }
- host = this.host;
- if (!host) {
- return '';
- }
- return this._scheme + '://' + host;
}
- };
- var OriginalURL = globalScope.URL;
- if (OriginalURL) {
- JURL.createObjectURL = function (blob) {
- return OriginalURL.createObjectURL.apply(OriginalURL, arguments);
- };
- JURL.revokeObjectURL = function (url) {
- OriginalURL.revokeObjectURL(url);
- };
}
- globalScope.URL = JURL;
- })();
+
+ this.#setAnnotationCanvasMap(div, parameters.annotationCanvasMap);
+ }
+
+ static update(parameters) {
+ const {
+ annotationCanvasMap,
+ div,
+ viewport
+ } = parameters;
+ this.#setDimensions(div, viewport);
+ this.#setAnnotationCanvasMap(div, annotationCanvasMap);
+ div.hidden = false;
+ }
+
+ static #setDimensions(div, {
+ width,
+ height,
+ rotation
+ }) {
+ const {
+ style
+ } = div;
+ const flipOrientation = rotation % 180 !== 0,
+ widthStr = Math.floor(width) + "px",
+ heightStr = Math.floor(height) + "px";
+ style.width = flipOrientation ? heightStr : widthStr;
+ style.height = flipOrientation ? widthStr : heightStr;
+ div.setAttribute("data-main-rotation", rotation);
+ }
+
+ static #setAnnotationCanvasMap(div, annotationCanvasMap) {
+ if (!annotationCanvasMap) {
+ return;
+ }
+
+ for (const [id, canvas] of annotationCanvasMap) {
+ const element = div.querySelector(`[data-annotation-id="${id}"]`);
+
+ if (!element) {
+ continue;
+ }
+
+ const {
+ firstChild
+ } = element;
+
+ if (!firstChild) {
+ element.append(canvas);
+ } else if (firstChild.nodeName === "CANVAS") {
+ firstChild.replaceWith(canvas);
+ } else {
+ firstChild.before(canvas);
+ }
+ }
+
+ annotationCanvasMap.clear();
+ }
+
+}
+
+exports.AnnotationLayer = AnnotationLayer;
+
+/***/ }),
+/* 28 */
+/***/ ((__unused_webpack_module, exports) => {
+
+
+
+Object.defineProperty(exports, "__esModule", ({
+ value: true
+}));
+exports.ColorConverters = void 0;
+
+function makeColorComp(n) {
+ return Math.floor(Math.max(0, Math.min(1, n)) * 255).toString(16).padStart(2, "0");
+}
+
+class ColorConverters {
+ static CMYK_G([c, y, m, k]) {
+ return ["G", 1 - Math.min(1, 0.3 * c + 0.59 * m + 0.11 * y + k)];
+ }
+
+ static G_CMYK([g]) {
+ return ["CMYK", 0, 0, 0, 1 - g];
+ }
+
+ static G_RGB([g]) {
+ return ["RGB", g, g, g];
+ }
+
+ static G_HTML([g]) {
+ const G = makeColorComp(g);
+ return `#${G}${G}${G}`;
+ }
+
+ static RGB_G([r, g, b]) {
+ return ["G", 0.3 * r + 0.59 * g + 0.11 * b];
+ }
+
+ static RGB_HTML([r, g, b]) {
+ const R = makeColorComp(r);
+ const G = makeColorComp(g);
+ const B = makeColorComp(b);
+ return `#${R}${G}${B}`;
+ }
+
+ static T_HTML() {
+ return "#00000000";
+ }
+
+ static CMYK_RGB([c, y, m, k]) {
+ return ["RGB", 1 - Math.min(1, c + k), 1 - Math.min(1, m + k), 1 - Math.min(1, y + k)];
+ }
+
+ static CMYK_HTML(components) {
+ const rgb = this.CMYK_RGB(components).slice(1);
+ return this.RGB_HTML(rgb);
+ }
+
+ static RGB_CMYK([r, g, b]) {
+ const c = 1 - r;
+ const m = 1 - g;
+ const y = 1 - b;
+ const k = Math.min(c, m, y);
+ return ["CMYK", c, m, y, k];
+ }
+
+}
+
+exports.ColorConverters = ColorConverters;
+
+/***/ }),
+/* 29 */
+/***/ ((__unused_webpack_module, exports, __w_pdfjs_require__) => {
+
+
+
+Object.defineProperty(exports, "__esModule", ({
+ value: true
+}));
+exports.XfaLayer = void 0;
+
+var _xfa_text = __w_pdfjs_require__(20);
+
+class XfaLayer {
+ static setupStorage(html, id, element, storage, intent) {
+ const storedData = storage.getValue(id, {
+ value: null
+ });
+
+ switch (element.name) {
+ case "textarea":
+ if (storedData.value !== null) {
+ html.textContent = storedData.value;
+ }
+
+ if (intent === "print") {
+ break;
+ }
+
+ html.addEventListener("input", event => {
+ storage.setValue(id, {
+ value: event.target.value
+ });
+ });
+ break;
+
+ case "input":
+ if (element.attributes.type === "radio" || element.attributes.type === "checkbox") {
+ if (storedData.value === element.attributes.xfaOn) {
+ html.setAttribute("checked", true);
+ } else if (storedData.value === element.attributes.xfaOff) {
+ html.removeAttribute("checked");
+ }
+
+ if (intent === "print") {
+ break;
+ }
+
+ html.addEventListener("change", event => {
+ storage.setValue(id, {
+ value: event.target.checked ? event.target.getAttribute("xfaOn") : event.target.getAttribute("xfaOff")
+ });
+ });
+ } else {
+ if (storedData.value !== null) {
+ html.setAttribute("value", storedData.value);
+ }
+
+ if (intent === "print") {
+ break;
+ }
+
+ html.addEventListener("input", event => {
+ storage.setValue(id, {
+ value: event.target.value
+ });
+ });
+ }
+
+ break;
+
+ case "select":
+ if (storedData.value !== null) {
+ for (const option of element.children) {
+ if (option.attributes.value === storedData.value) {
+ option.attributes.selected = true;
+ }
+ }
+ }
+
+ html.addEventListener("input", event => {
+ const options = event.target.options;
+ const value = options.selectedIndex === -1 ? "" : options[options.selectedIndex].value;
+ storage.setValue(id, {
+ value
+ });
+ });
+ break;
+ }
+ }
+
+ static setAttributes({
+ html,
+ element,
+ storage = null,
+ intent,
+ linkService
+ }) {
+ const {
+ attributes
+ } = element;
+ const isHTMLAnchorElement = html instanceof HTMLAnchorElement;
+
+ if (attributes.type === "radio") {
+ attributes.name = `${attributes.name}-${intent}`;
+ }
+
+ for (const [key, value] of Object.entries(attributes)) {
+ if (value === null || value === undefined) {
+ continue;
+ }
+
+ switch (key) {
+ case "class":
+ if (value.length) {
+ html.setAttribute(key, value.join(" "));
+ }
+
+ break;
+
+ case "dataId":
+ break;
+
+ case "id":
+ html.setAttribute("data-element-id", value);
+ break;
+
+ case "style":
+ Object.assign(html.style, value);
+ break;
+
+ case "textContent":
+ html.textContent = value;
+ break;
+
+ default:
+ if (!isHTMLAnchorElement || key !== "href" && key !== "newWindow") {
+ html.setAttribute(key, value);
+ }
+
+ }
+ }
+
+ if (isHTMLAnchorElement) {
+ linkService.addLinkAttributes(html, attributes.href, attributes.newWindow);
+ }
+
+ if (storage && attributes.dataId) {
+ this.setupStorage(html, attributes.dataId, element, storage);
+ }
+ }
+
+ static render(parameters) {
+ const storage = parameters.annotationStorage;
+ const linkService = parameters.linkService;
+ const root = parameters.xfaHtml;
+ const intent = parameters.intent || "display";
+ const rootHtml = document.createElement(root.name);
+
+ if (root.attributes) {
+ this.setAttributes({
+ html: rootHtml,
+ element: root,
+ intent,
+ linkService
+ });
+ }
+
+ const stack = [[root, -1, rootHtml]];
+ const rootDiv = parameters.div;
+ rootDiv.append(rootHtml);
+
+ if (parameters.viewport) {
+ const transform = `matrix(${parameters.viewport.transform.join(",")})`;
+ rootDiv.style.transform = transform;
+ }
+
+ if (intent !== "richText") {
+ rootDiv.setAttribute("class", "xfaLayer xfaFont");
+ }
+
+ const textDivs = [];
+
+ while (stack.length > 0) {
+ const [parent, i, html] = stack.at(-1);
+
+ if (i + 1 === parent.children.length) {
+ stack.pop();
+ continue;
+ }
+
+ const child = parent.children[++stack.at(-1)[1]];
+
+ if (child === null) {
+ continue;
+ }
+
+ const {
+ name
+ } = child;
+
+ if (name === "#text") {
+ const node = document.createTextNode(child.value);
+ textDivs.push(node);
+ html.append(node);
+ continue;
+ }
+
+ let childHtml;
+
+ if (child?.attributes?.xmlns) {
+ childHtml = document.createElementNS(child.attributes.xmlns, name);
+ } else {
+ childHtml = document.createElement(name);
+ }
+
+ html.append(childHtml);
+
+ if (child.attributes) {
+ this.setAttributes({
+ html: childHtml,
+ element: child,
+ storage,
+ intent,
+ linkService
+ });
+ }
+
+ if (child.children && child.children.length > 0) {
+ stack.push([child, -1, childHtml]);
+ } else if (child.value) {
+ const node = document.createTextNode(child.value);
+
+ if (_xfa_text.XfaText.shouldBuildText(name)) {
+ textDivs.push(node);
+ }
+
+ childHtml.append(node);
+ }
+ }
+
+ for (const el of rootDiv.querySelectorAll(".xfaNonInteractive input, .xfaNonInteractive textarea")) {
+ el.setAttribute("readOnly", true);
+ }
+
+ return {
+ textDivs
+ };
+ }
+
+ static update(parameters) {
+ const transform = `matrix(${parameters.viewport.transform.join(",")})`;
+ parameters.div.style.transform = transform;
+ parameters.div.hidden = false;
+ }
+
+}
+
+exports.XfaLayer = XfaLayer;
+
+/***/ }),
+/* 30 */
+/***/ ((__unused_webpack_module, exports, __w_pdfjs_require__) => {
+
+
+
+Object.defineProperty(exports, "__esModule", ({
+ value: true
+}));
+exports.TextLayerRenderTask = void 0;
+exports.renderTextLayer = renderTextLayer;
+
+var _util = __w_pdfjs_require__(1);
+
+var _display_utils = __w_pdfjs_require__(8);
+
+const MAX_TEXT_DIVS_TO_RENDER = 100000;
+const DEFAULT_FONT_SIZE = 30;
+const DEFAULT_FONT_ASCENT = 0.8;
+const ascentCache = new Map();
+const AllWhitespaceRegexp = /^\s+$/g;
+
+function getAscent(fontFamily, ctx) {
+ const cachedAscent = ascentCache.get(fontFamily);
+
+ if (cachedAscent) {
+ return cachedAscent;
+ }
+
+ ctx.save();
+ ctx.font = `${DEFAULT_FONT_SIZE}px ${fontFamily}`;
+ const metrics = ctx.measureText("");
+ let ascent = metrics.fontBoundingBoxAscent;
+ let descent = Math.abs(metrics.fontBoundingBoxDescent);
+
+ if (ascent) {
+ ctx.restore();
+ const ratio = ascent / (ascent + descent);
+ ascentCache.set(fontFamily, ratio);
+ return ratio;
+ }
+
+ ctx.strokeStyle = "red";
+ ctx.clearRect(0, 0, DEFAULT_FONT_SIZE, DEFAULT_FONT_SIZE);
+ ctx.strokeText("g", 0, 0);
+ let pixels = ctx.getImageData(0, 0, DEFAULT_FONT_SIZE, DEFAULT_FONT_SIZE).data;
+ descent = 0;
+
+ for (let i = pixels.length - 1 - 3; i >= 0; i -= 4) {
+ if (pixels[i] > 0) {
+ descent = Math.ceil(i / 4 / DEFAULT_FONT_SIZE);
+ break;
+ }
+ }
+
+ ctx.clearRect(0, 0, DEFAULT_FONT_SIZE, DEFAULT_FONT_SIZE);
+ ctx.strokeText("A", 0, DEFAULT_FONT_SIZE);
+ pixels = ctx.getImageData(0, 0, DEFAULT_FONT_SIZE, DEFAULT_FONT_SIZE).data;
+ ascent = 0;
+
+ for (let i = 0, ii = pixels.length; i < ii; i += 4) {
+ if (pixels[i] > 0) {
+ ascent = DEFAULT_FONT_SIZE - Math.floor(i / 4 / DEFAULT_FONT_SIZE);
+ break;
+ }
+ }
+
+ ctx.restore();
+
+ if (ascent) {
+ const ratio = ascent / (ascent + descent);
+ ascentCache.set(fontFamily, ratio);
+ return ratio;
+ }
+
+ ascentCache.set(fontFamily, DEFAULT_FONT_ASCENT);
+ return DEFAULT_FONT_ASCENT;
+}
+
+function appendText(task, geom, styles, ctx) {
+ const textDiv = document.createElement("span");
+ const textDivProperties = task._enhanceTextSelection ? {
+ angle: 0,
+ canvasWidth: 0,
+ hasText: geom.str !== "",
+ hasEOL: geom.hasEOL,
+ originalTransform: null,
+ paddingBottom: 0,
+ paddingLeft: 0,
+ paddingRight: 0,
+ paddingTop: 0,
+ scale: 1,
+ fontSize: 0
+ } : {
+ angle: 0,
+ canvasWidth: 0,
+ hasText: geom.str !== "",
+ hasEOL: geom.hasEOL,
+ fontSize: 0
+ };
+
+ task._textDivs.push(textDiv);
+
+ const tx = _util.Util.transform(task._viewport.transform, geom.transform);
+
+ let angle = Math.atan2(tx[1], tx[0]);
+ const style = styles[geom.fontName];
+
+ if (style.vertical) {
+ angle += Math.PI / 2;
+ }
+
+ const fontHeight = Math.hypot(tx[2], tx[3]);
+ const fontAscent = fontHeight * getAscent(style.fontFamily, ctx);
+ let left, top;
+
+ if (angle === 0) {
+ left = tx[4];
+ top = tx[5] - fontAscent;
+ } else {
+ left = tx[4] + fontAscent * Math.sin(angle);
+ top = tx[5] - fontAscent * Math.cos(angle);
+ }
+
+ textDiv.style.left = `${left}px`;
+ textDiv.style.top = `${top}px`;
+ textDiv.style.fontSize = `${fontHeight}px`;
+ textDiv.style.fontFamily = style.fontFamily;
+ textDivProperties.fontSize = fontHeight;
+ textDiv.setAttribute("role", "presentation");
+ textDiv.textContent = geom.str;
+ textDiv.dir = geom.dir;
+
+ if (task._fontInspectorEnabled) {
+ textDiv.dataset.fontName = geom.fontName;
+ }
+
+ if (angle !== 0) {
+ textDivProperties.angle = angle * (180 / Math.PI);
+ }
+
+ let shouldScaleText = false;
+
+ if (geom.str.length > 1 || task._enhanceTextSelection && AllWhitespaceRegexp.test(geom.str)) {
+ shouldScaleText = true;
+ } else if (geom.str !== " " && geom.transform[0] !== geom.transform[3]) {
+ const absScaleX = Math.abs(geom.transform[0]),
+ absScaleY = Math.abs(geom.transform[3]);
+
+ if (absScaleX !== absScaleY && Math.max(absScaleX, absScaleY) / Math.min(absScaleX, absScaleY) > 1.5) {
+ shouldScaleText = true;
+ }
+ }
+
+ if (shouldScaleText) {
+ if (style.vertical) {
+ textDivProperties.canvasWidth = geom.height * task._viewport.scale;
+ } else {
+ textDivProperties.canvasWidth = geom.width * task._viewport.scale;
+ }
+ }
+
+ task._textDivProperties.set(textDiv, textDivProperties);
+
+ if (task._textContentStream) {
+ task._layoutText(textDiv);
+ }
+
+ if (task._enhanceTextSelection && textDivProperties.hasText) {
+ let angleCos = 1,
+ angleSin = 0;
+
+ if (angle !== 0) {
+ angleCos = Math.cos(angle);
+ angleSin = Math.sin(angle);
+ }
+
+ const divWidth = (style.vertical ? geom.height : geom.width) * task._viewport.scale;
+ const divHeight = fontHeight;
+ let m, b;
+
+ if (angle !== 0) {
+ m = [angleCos, angleSin, -angleSin, angleCos, left, top];
+ b = _util.Util.getAxialAlignedBoundingBox([0, 0, divWidth, divHeight], m);
+ } else {
+ b = [left, top, left + divWidth, top + divHeight];
+ }
+
+ task._bounds.push({
+ left: b[0],
+ top: b[1],
+ right: b[2],
+ bottom: b[3],
+ div: textDiv,
+ size: [divWidth, divHeight],
+ m
+ });
+ }
+}
+
+function render(task) {
+ if (task._canceled) {
+ return;
+ }
+
+ const textDivs = task._textDivs;
+ const capability = task._capability;
+ const textDivsLength = textDivs.length;
+
+ if (textDivsLength > MAX_TEXT_DIVS_TO_RENDER) {
+ task._renderingDone = true;
+ capability.resolve();
+ return;
+ }
+
+ if (!task._textContentStream) {
+ for (let i = 0; i < textDivsLength; i++) {
+ task._layoutText(textDivs[i]);
+ }
+ }
+
+ task._renderingDone = true;
+ capability.resolve();
+}
+
+function findPositiveMin(ts, offset, count) {
+ let result = 0;
+
+ for (let i = 0; i < count; i++) {
+ const t = ts[offset++];
+
+ if (t > 0) {
+ result = result ? Math.min(t, result) : t;
+ }
+ }
+
+ return result;
+}
+
+function expand(task) {
+ const bounds = task._bounds;
+ const viewport = task._viewport;
+ const expanded = expandBounds(viewport.width, viewport.height, bounds);
+
+ for (let i = 0; i < expanded.length; i++) {
+ const div = bounds[i].div;
+
+ const divProperties = task._textDivProperties.get(div);
+
+ if (divProperties.angle === 0) {
+ divProperties.paddingLeft = bounds[i].left - expanded[i].left;
+ divProperties.paddingTop = bounds[i].top - expanded[i].top;
+ divProperties.paddingRight = expanded[i].right - bounds[i].right;
+ divProperties.paddingBottom = expanded[i].bottom - bounds[i].bottom;
+
+ task._textDivProperties.set(div, divProperties);
+
+ continue;
+ }
+
+ const e = expanded[i],
+ b = bounds[i];
+ const m = b.m,
+ c = m[0],
+ s = m[1];
+ const points = [[0, 0], [0, b.size[1]], [b.size[0], 0], b.size];
+ const ts = new Float64Array(64);
+
+ for (let j = 0, jj = points.length; j < jj; j++) {
+ const t = _util.Util.applyTransform(points[j], m);
+
+ ts[j + 0] = c && (e.left - t[0]) / c;
+ ts[j + 4] = s && (e.top - t[1]) / s;
+ ts[j + 8] = c && (e.right - t[0]) / c;
+ ts[j + 12] = s && (e.bottom - t[1]) / s;
+ ts[j + 16] = s && (e.left - t[0]) / -s;
+ ts[j + 20] = c && (e.top - t[1]) / c;
+ ts[j + 24] = s && (e.right - t[0]) / -s;
+ ts[j + 28] = c && (e.bottom - t[1]) / c;
+ ts[j + 32] = c && (e.left - t[0]) / -c;
+ ts[j + 36] = s && (e.top - t[1]) / -s;
+ ts[j + 40] = c && (e.right - t[0]) / -c;
+ ts[j + 44] = s && (e.bottom - t[1]) / -s;
+ ts[j + 48] = s && (e.left - t[0]) / s;
+ ts[j + 52] = c && (e.top - t[1]) / -c;
+ ts[j + 56] = s && (e.right - t[0]) / s;
+ ts[j + 60] = c && (e.bottom - t[1]) / -c;
+ }
+
+ const boxScale = 1 + Math.min(Math.abs(c), Math.abs(s));
+ divProperties.paddingLeft = findPositiveMin(ts, 32, 16) / boxScale;
+ divProperties.paddingTop = findPositiveMin(ts, 48, 16) / boxScale;
+ divProperties.paddingRight = findPositiveMin(ts, 0, 16) / boxScale;
+ divProperties.paddingBottom = findPositiveMin(ts, 16, 16) / boxScale;
+
+ task._textDivProperties.set(div, divProperties);
+ }
+}
+
+function expandBounds(width, height, boxes) {
+ const bounds = boxes.map(function (box, i) {
+ return {
+ x1: box.left,
+ y1: box.top,
+ x2: box.right,
+ y2: box.bottom,
+ index: i,
+ x1New: undefined,
+ x2New: undefined
+ };
+ });
+ expandBoundsLTR(width, bounds);
+ const expanded = new Array(boxes.length);
+
+ for (const b of bounds) {
+ const i = b.index;
+ expanded[i] = {
+ left: b.x1New,
+ top: 0,
+ right: b.x2New,
+ bottom: 0
+ };
+ }
+
+ boxes.map(function (box, i) {
+ const e = expanded[i],
+ b = bounds[i];
+ b.x1 = box.top;
+ b.y1 = width - e.right;
+ b.x2 = box.bottom;
+ b.y2 = width - e.left;
+ b.index = i;
+ b.x1New = undefined;
+ b.x2New = undefined;
+ });
+ expandBoundsLTR(height, bounds);
+
+ for (const b of bounds) {
+ const i = b.index;
+ expanded[i].top = b.x1New;
+ expanded[i].bottom = b.x2New;
+ }
+
+ return expanded;
+}
+
+function expandBoundsLTR(width, bounds) {
+ bounds.sort(function (a, b) {
+ return a.x1 - b.x1 || a.index - b.index;
+ });
+ const fakeBoundary = {
+ x1: -Infinity,
+ y1: -Infinity,
+ x2: 0,
+ y2: Infinity,
+ index: -1,
+ x1New: 0,
+ x2New: 0
+ };
+ const horizon = [{
+ start: -Infinity,
+ end: Infinity,
+ boundary: fakeBoundary
+ }];
+
+ for (const boundary of bounds) {
+ let i = 0;
+
+ while (i < horizon.length && horizon[i].end <= boundary.y1) {
+ i++;
+ }
+
+ let j = horizon.length - 1;
+
+ while (j >= 0 && horizon[j].start >= boundary.y2) {
+ j--;
+ }
+
+ let horizonPart, affectedBoundary;
+ let q,
+ k,
+ maxXNew = -Infinity;
+
+ for (q = i; q <= j; q++) {
+ horizonPart = horizon[q];
+ affectedBoundary = horizonPart.boundary;
+ let xNew;
+
+ if (affectedBoundary.x2 > boundary.x1) {
+ xNew = affectedBoundary.index > boundary.index ? affectedBoundary.x1New : boundary.x1;
+ } else if (affectedBoundary.x2New === undefined) {
+ xNew = (affectedBoundary.x2 + boundary.x1) / 2;
+ } else {
+ xNew = affectedBoundary.x2New;
+ }
+
+ if (xNew > maxXNew) {
+ maxXNew = xNew;
+ }
+ }
+
+ boundary.x1New = maxXNew;
+
+ for (q = i; q <= j; q++) {
+ horizonPart = horizon[q];
+ affectedBoundary = horizonPart.boundary;
+
+ if (affectedBoundary.x2New === undefined) {
+ if (affectedBoundary.x2 > boundary.x1) {
+ if (affectedBoundary.index > boundary.index) {
+ affectedBoundary.x2New = affectedBoundary.x2;
+ }
+ } else {
+ affectedBoundary.x2New = maxXNew;
+ }
+ } else if (affectedBoundary.x2New > maxXNew) {
+ affectedBoundary.x2New = Math.max(maxXNew, affectedBoundary.x2);
+ }
+ }
+
+ const changedHorizon = [];
+ let lastBoundary = null;
+
+ for (q = i; q <= j; q++) {
+ horizonPart = horizon[q];
+ affectedBoundary = horizonPart.boundary;
+ const useBoundary = affectedBoundary.x2 > boundary.x2 ? affectedBoundary : boundary;
+
+ if (lastBoundary === useBoundary) {
+ changedHorizon.at(-1).end = horizonPart.end;
+ } else {
+ changedHorizon.push({
+ start: horizonPart.start,
+ end: horizonPart.end,
+ boundary: useBoundary
+ });
+ lastBoundary = useBoundary;
+ }
+ }
+
+ if (horizon[i].start < boundary.y1) {
+ changedHorizon[0].start = boundary.y1;
+ changedHorizon.unshift({
+ start: horizon[i].start,
+ end: boundary.y1,
+ boundary: horizon[i].boundary
+ });
+ }
+
+ if (boundary.y2 < horizon[j].end) {
+ changedHorizon.at(-1).end = boundary.y2;
+ changedHorizon.push({
+ start: boundary.y2,
+ end: horizon[j].end,
+ boundary: horizon[j].boundary
+ });
+ }
+
+ for (q = i; q <= j; q++) {
+ horizonPart = horizon[q];
+ affectedBoundary = horizonPart.boundary;
+
+ if (affectedBoundary.x2New !== undefined) {
+ continue;
+ }
+
+ let used = false;
+
+ for (k = i - 1; !used && k >= 0 && horizon[k].start >= affectedBoundary.y1; k--) {
+ used = horizon[k].boundary === affectedBoundary;
+ }
+
+ for (k = j + 1; !used && k < horizon.length && horizon[k].end <= affectedBoundary.y2; k++) {
+ used = horizon[k].boundary === affectedBoundary;
+ }
+
+ for (k = 0; !used && k < changedHorizon.length; k++) {
+ used = changedHorizon[k].boundary === affectedBoundary;
+ }
+
+ if (!used) {
+ affectedBoundary.x2New = maxXNew;
+ }
+ }
+
+ Array.prototype.splice.apply(horizon, [i, j - i + 1, ...changedHorizon]);
+ }
+
+ for (const horizonPart of horizon) {
+ const affectedBoundary = horizonPart.boundary;
+
+ if (affectedBoundary.x2New === undefined) {
+ affectedBoundary.x2New = Math.max(width, affectedBoundary.x2);
+ }
+ }
+}
+
+class TextLayerRenderTask {
+ constructor({
+ textContent,
+ textContentStream,
+ container,
+ viewport,
+ textDivs,
+ textContentItemsStr,
+ enhanceTextSelection
+ }) {
+ if (enhanceTextSelection) {
+ (0, _display_utils.deprecated)("The `enhanceTextSelection` functionality will be removed in the future.");
+ }
+
+ this._textContent = textContent;
+ this._textContentStream = textContentStream;
+ this._container = container;
+ this._document = container.ownerDocument;
+ this._viewport = viewport;
+ this._textDivs = textDivs || [];
+ this._textContentItemsStr = textContentItemsStr || [];
+ this._enhanceTextSelection = !!enhanceTextSelection;
+ this._fontInspectorEnabled = !!globalThis.FontInspector?.enabled;
+ this._reader = null;
+ this._layoutTextLastFontSize = null;
+ this._layoutTextLastFontFamily = null;
+ this._layoutTextCtx = null;
+ this._textDivProperties = new WeakMap();
+ this._renderingDone = false;
+ this._canceled = false;
+ this._capability = (0, _util.createPromiseCapability)();
+ this._renderTimer = null;
+ this._bounds = [];
+ this._devicePixelRatio = globalThis.devicePixelRatio || 1;
+
+ this._capability.promise.finally(() => {
+ if (!this._enhanceTextSelection) {
+ this._textDivProperties = null;
+ }
+
+ if (this._layoutTextCtx) {
+ this._layoutTextCtx.canvas.width = 0;
+ this._layoutTextCtx.canvas.height = 0;
+ this._layoutTextCtx = null;
+ }
+ }).catch(() => {});
+ }
+
+ get promise() {
+ return this._capability.promise;
+ }
+
+ cancel() {
+ this._canceled = true;
+
+ if (this._reader) {
+ this._reader.cancel(new _util.AbortException("TextLayer task cancelled.")).catch(() => {});
+
+ this._reader = null;
+ }
+
+ if (this._renderTimer !== null) {
+ clearTimeout(this._renderTimer);
+ this._renderTimer = null;
+ }
+
+ this._capability.reject(new Error("TextLayer task cancelled."));
+ }
+
+ _processItems(items, styleCache) {
+ for (let i = 0, len = items.length; i < len; i++) {
+ if (items[i].str === undefined) {
+ if (items[i].type === "beginMarkedContentProps" || items[i].type === "beginMarkedContent") {
+ const parent = this._container;
+ this._container = document.createElement("span");
+
+ this._container.classList.add("markedContent");
+
+ if (items[i].id !== null) {
+ this._container.setAttribute("id", `${items[i].id}`);
+ }
+
+ parent.append(this._container);
+ } else if (items[i].type === "endMarkedContent") {
+ this._container = this._container.parentNode;
+ }
+
+ continue;
+ }
+
+ this._textContentItemsStr.push(items[i].str);
+
+ appendText(this, items[i], styleCache, this._layoutTextCtx);
+ }
+ }
+
+ _layoutText(textDiv) {
+ const textDivProperties = this._textDivProperties.get(textDiv);
+
+ let transform = "";
+
+ if (textDivProperties.canvasWidth !== 0 && textDivProperties.hasText) {
+ const {
+ fontFamily
+ } = textDiv.style;
+ const {
+ fontSize
+ } = textDivProperties;
+
+ if (fontSize !== this._layoutTextLastFontSize || fontFamily !== this._layoutTextLastFontFamily) {
+ this._layoutTextCtx.font = `${fontSize * this._devicePixelRatio}px ${fontFamily}`;
+ this._layoutTextLastFontSize = fontSize;
+ this._layoutTextLastFontFamily = fontFamily;
+ }
+
+ const {
+ width
+ } = this._layoutTextCtx.measureText(textDiv.textContent);
+
+ if (width > 0) {
+ const scale = this._devicePixelRatio * textDivProperties.canvasWidth / width;
+
+ if (this._enhanceTextSelection) {
+ textDivProperties.scale = scale;
+ }
+
+ transform = `scaleX(${scale})`;
+ }
+ }
+
+ if (textDivProperties.angle !== 0) {
+ transform = `rotate(${textDivProperties.angle}deg) ${transform}`;
+ }
+
+ if (transform.length > 0) {
+ if (this._enhanceTextSelection) {
+ textDivProperties.originalTransform = transform;
+ }
+
+ textDiv.style.transform = transform;
+ }
+
+ if (textDivProperties.hasText) {
+ this._container.append(textDiv);
+ }
+
+ if (textDivProperties.hasEOL) {
+ const br = document.createElement("br");
+ br.setAttribute("role", "presentation");
+
+ this._container.append(br);
+ }
+ }
+
+ _render(timeout = 0) {
+ const capability = (0, _util.createPromiseCapability)();
+ let styleCache = Object.create(null);
+
+ const canvas = this._document.createElement("canvas");
+
+ canvas.height = canvas.width = DEFAULT_FONT_SIZE;
+ this._layoutTextCtx = canvas.getContext("2d", {
+ alpha: false
+ });
+
+ if (this._textContent) {
+ const textItems = this._textContent.items;
+ const textStyles = this._textContent.styles;
+
+ this._processItems(textItems, textStyles);
+
+ capability.resolve();
+ } else if (this._textContentStream) {
+ const pump = () => {
+ this._reader.read().then(({
+ value,
+ done
+ }) => {
+ if (done) {
+ capability.resolve();
+ return;
+ }
+
+ Object.assign(styleCache, value.styles);
+
+ this._processItems(value.items, styleCache);
+
+ pump();
+ }, capability.reject);
+ };
+
+ this._reader = this._textContentStream.getReader();
+ pump();
+ } else {
+ throw new Error('Neither "textContent" nor "textContentStream" parameters specified.');
+ }
+
+ capability.promise.then(() => {
+ styleCache = null;
+
+ if (!timeout) {
+ render(this);
+ } else {
+ this._renderTimer = setTimeout(() => {
+ render(this);
+ this._renderTimer = null;
+ }, timeout);
+ }
+ }, this._capability.reject);
+ }
+
+ expandTextDivs(expandDivs = false) {
+ if (!this._enhanceTextSelection || !this._renderingDone) {
+ return;
+ }
+
+ if (this._bounds !== null) {
+ expand(this);
+ this._bounds = null;
+ }
+
+ const transformBuf = [],
+ paddingBuf = [];
+
+ for (let i = 0, ii = this._textDivs.length; i < ii; i++) {
+ const div = this._textDivs[i];
+
+ const divProps = this._textDivProperties.get(div);
+
+ if (!divProps.hasText) {
+ continue;
+ }
+
+ if (expandDivs) {
+ transformBuf.length = 0;
+ paddingBuf.length = 0;
+
+ if (divProps.originalTransform) {
+ transformBuf.push(divProps.originalTransform);
+ }
+
+ if (divProps.paddingTop > 0) {
+ paddingBuf.push(`${divProps.paddingTop}px`);
+ transformBuf.push(`translateY(${-divProps.paddingTop}px)`);
+ } else {
+ paddingBuf.push(0);
+ }
+
+ if (divProps.paddingRight > 0) {
+ paddingBuf.push(`${divProps.paddingRight / divProps.scale}px`);
+ } else {
+ paddingBuf.push(0);
+ }
+
+ if (divProps.paddingBottom > 0) {
+ paddingBuf.push(`${divProps.paddingBottom}px`);
+ } else {
+ paddingBuf.push(0);
+ }
+
+ if (divProps.paddingLeft > 0) {
+ paddingBuf.push(`${divProps.paddingLeft / divProps.scale}px`);
+ transformBuf.push(`translateX(${-divProps.paddingLeft / divProps.scale}px)`);
+ } else {
+ paddingBuf.push(0);
+ }
+
+ div.style.padding = paddingBuf.join(" ");
+
+ if (transformBuf.length) {
+ div.style.transform = transformBuf.join(" ");
+ }
+ } else {
+ div.style.padding = null;
+ div.style.transform = divProps.originalTransform;
+ }
+ }
+ }
+
+}
+
+exports.TextLayerRenderTask = TextLayerRenderTask;
+
+function renderTextLayer(renderParameters) {
+ const task = new TextLayerRenderTask({
+ textContent: renderParameters.textContent,
+ textContentStream: renderParameters.textContentStream,
+ container: renderParameters.container,
+ viewport: renderParameters.viewport,
+ textDivs: renderParameters.textDivs,
+ textContentItemsStr: renderParameters.textContentItemsStr,
+ enhanceTextSelection: renderParameters.enhanceTextSelection
+ });
+
+ task._render(renderParameters.timeout);
+
+ return task;
}
/***/ }),
-/* 17 */
-/***/ (function(module, exports, __w_pdfjs_require__) {
-
-"use strict";
+/* 31 */
+/***/ ((__unused_webpack_module, exports, __w_pdfjs_require__) => {
-var isReadableStreamSupported = false;
-if (typeof ReadableStream !== 'undefined') {
- try {
- new ReadableStream({
- start: function start(controller) {
- controller.close();
+
+Object.defineProperty(exports, "__esModule", ({
+ value: true
+}));
+exports.SVGGraphics = void 0;
+
+var _display_utils = __w_pdfjs_require__(8);
+
+var _util = __w_pdfjs_require__(1);
+
+var _is_node = __w_pdfjs_require__(3);
+
+let SVGGraphics = class {
+ constructor() {
+ (0, _util.unreachable)("Not implemented: SVGGraphics");
+ }
+
+};
+exports.SVGGraphics = SVGGraphics;
+{
+ const SVG_DEFAULTS = {
+ fontStyle: "normal",
+ fontWeight: "normal",
+ fillColor: "#000000"
+ };
+ const XML_NS = "http://www.w3.org/XML/1998/namespace";
+ const XLINK_NS = "http://www.w3.org/1999/xlink";
+ const LINE_CAP_STYLES = ["butt", "round", "square"];
+ const LINE_JOIN_STYLES = ["miter", "round", "bevel"];
+
+ const createObjectURL = function (data, contentType = "", forceDataSchema = false) {
+ if (URL.createObjectURL && typeof Blob !== "undefined" && !forceDataSchema) {
+ return URL.createObjectURL(new Blob([data], {
+ type: contentType
+ }));
+ }
+
+ const digits = "ABCDEFGHIJKLMNOPQRSTUVWXYZabcdefghijklmnopqrstuvwxyz0123456789+/=";
+ let buffer = `data:${contentType};base64,`;
+
+ for (let i = 0, ii = data.length; i < ii; i += 3) {
+ const b1 = data[i] & 0xff;
+ const b2 = data[i + 1] & 0xff;
+ const b3 = data[i + 2] & 0xff;
+ const d1 = b1 >> 2,
+ d2 = (b1 & 3) << 4 | b2 >> 4;
+ const d3 = i + 1 < ii ? (b2 & 0xf) << 2 | b3 >> 6 : 64;
+ const d4 = i + 2 < ii ? b3 & 0x3f : 64;
+ buffer += digits[d1] + digits[d2] + digits[d3] + digits[d4];
+ }
+
+ return buffer;
+ };
+
+ const convertImgDataToPng = function () {
+ const PNG_HEADER = new Uint8Array([0x89, 0x50, 0x4e, 0x47, 0x0d, 0x0a, 0x1a, 0x0a]);
+ const CHUNK_WRAPPER_SIZE = 12;
+ const crcTable = new Int32Array(256);
+
+ for (let i = 0; i < 256; i++) {
+ let c = i;
+
+ for (let h = 0; h < 8; h++) {
+ if (c & 1) {
+ c = 0xedb88320 ^ c >> 1 & 0x7fffffff;
+ } else {
+ c = c >> 1 & 0x7fffffff;
+ }
}
- });
- isReadableStreamSupported = true;
- } catch (e) {}
+
+ crcTable[i] = c;
+ }
+
+ function crc32(data, start, end) {
+ let crc = -1;
+
+ for (let i = start; i < end; i++) {
+ const a = (crc ^ data[i]) & 0xff;
+ const b = crcTable[a];
+ crc = crc >>> 8 ^ b;
+ }
+
+ return crc ^ -1;
+ }
+
+ function writePngChunk(type, body, data, offset) {
+ let p = offset;
+ const len = body.length;
+ data[p] = len >> 24 & 0xff;
+ data[p + 1] = len >> 16 & 0xff;
+ data[p + 2] = len >> 8 & 0xff;
+ data[p + 3] = len & 0xff;
+ p += 4;
+ data[p] = type.charCodeAt(0) & 0xff;
+ data[p + 1] = type.charCodeAt(1) & 0xff;
+ data[p + 2] = type.charCodeAt(2) & 0xff;
+ data[p + 3] = type.charCodeAt(3) & 0xff;
+ p += 4;
+ data.set(body, p);
+ p += body.length;
+ const crc = crc32(data, offset + 4, p);
+ data[p] = crc >> 24 & 0xff;
+ data[p + 1] = crc >> 16 & 0xff;
+ data[p + 2] = crc >> 8 & 0xff;
+ data[p + 3] = crc & 0xff;
+ }
+
+ function adler32(data, start, end) {
+ let a = 1;
+ let b = 0;
+
+ for (let i = start; i < end; ++i) {
+ a = (a + (data[i] & 0xff)) % 65521;
+ b = (b + a) % 65521;
+ }
+
+ return b << 16 | a;
+ }
+
+ function deflateSync(literals) {
+ if (!_is_node.isNodeJS) {
+ return deflateSyncUncompressed(literals);
+ }
+
+ try {
+ let input;
+
+ if (parseInt(process.versions.node) >= 8) {
+ input = literals;
+ } else {
+ input = Buffer.from(literals);
+ }
+
+ const output = require("zlib").deflateSync(input, {
+ level: 9
+ });
+
+ return output instanceof Uint8Array ? output : new Uint8Array(output);
+ } catch (e) {
+ (0, _util.warn)("Not compressing PNG because zlib.deflateSync is unavailable: " + e);
+ }
+
+ return deflateSyncUncompressed(literals);
+ }
+
+ function deflateSyncUncompressed(literals) {
+ let len = literals.length;
+ const maxBlockLength = 0xffff;
+ const deflateBlocks = Math.ceil(len / maxBlockLength);
+ const idat = new Uint8Array(2 + len + deflateBlocks * 5 + 4);
+ let pi = 0;
+ idat[pi++] = 0x78;
+ idat[pi++] = 0x9c;
+ let pos = 0;
+
+ while (len > maxBlockLength) {
+ idat[pi++] = 0x00;
+ idat[pi++] = 0xff;
+ idat[pi++] = 0xff;
+ idat[pi++] = 0x00;
+ idat[pi++] = 0x00;
+ idat.set(literals.subarray(pos, pos + maxBlockLength), pi);
+ pi += maxBlockLength;
+ pos += maxBlockLength;
+ len -= maxBlockLength;
+ }
+
+ idat[pi++] = 0x01;
+ idat[pi++] = len & 0xff;
+ idat[pi++] = len >> 8 & 0xff;
+ idat[pi++] = ~len & 0xffff & 0xff;
+ idat[pi++] = (~len & 0xffff) >> 8 & 0xff;
+ idat.set(literals.subarray(pos), pi);
+ pi += literals.length - pos;
+ const adler = adler32(literals, 0, literals.length);
+ idat[pi++] = adler >> 24 & 0xff;
+ idat[pi++] = adler >> 16 & 0xff;
+ idat[pi++] = adler >> 8 & 0xff;
+ idat[pi++] = adler & 0xff;
+ return idat;
+ }
+
+ function encode(imgData, kind, forceDataSchema, isMask) {
+ const width = imgData.width;
+ const height = imgData.height;
+ let bitDepth, colorType, lineSize;
+ const bytes = imgData.data;
+
+ switch (kind) {
+ case _util.ImageKind.GRAYSCALE_1BPP:
+ colorType = 0;
+ bitDepth = 1;
+ lineSize = width + 7 >> 3;
+ break;
+
+ case _util.ImageKind.RGB_24BPP:
+ colorType = 2;
+ bitDepth = 8;
+ lineSize = width * 3;
+ break;
+
+ case _util.ImageKind.RGBA_32BPP:
+ colorType = 6;
+ bitDepth = 8;
+ lineSize = width * 4;
+ break;
+
+ default:
+ throw new Error("invalid format");
+ }
+
+ const literals = new Uint8Array((1 + lineSize) * height);
+ let offsetLiterals = 0,
+ offsetBytes = 0;
+
+ for (let y = 0; y < height; ++y) {
+ literals[offsetLiterals++] = 0;
+ literals.set(bytes.subarray(offsetBytes, offsetBytes + lineSize), offsetLiterals);
+ offsetBytes += lineSize;
+ offsetLiterals += lineSize;
+ }
+
+ if (kind === _util.ImageKind.GRAYSCALE_1BPP && isMask) {
+ offsetLiterals = 0;
+
+ for (let y = 0; y < height; y++) {
+ offsetLiterals++;
+
+ for (let i = 0; i < lineSize; i++) {
+ literals[offsetLiterals++] ^= 0xff;
+ }
+ }
+ }
+
+ const ihdr = new Uint8Array([width >> 24 & 0xff, width >> 16 & 0xff, width >> 8 & 0xff, width & 0xff, height >> 24 & 0xff, height >> 16 & 0xff, height >> 8 & 0xff, height & 0xff, bitDepth, colorType, 0x00, 0x00, 0x00]);
+ const idat = deflateSync(literals);
+ const pngLength = PNG_HEADER.length + CHUNK_WRAPPER_SIZE * 3 + ihdr.length + idat.length;
+ const data = new Uint8Array(pngLength);
+ let offset = 0;
+ data.set(PNG_HEADER, offset);
+ offset += PNG_HEADER.length;
+ writePngChunk("IHDR", ihdr, data, offset);
+ offset += CHUNK_WRAPPER_SIZE + ihdr.length;
+ writePngChunk("IDATA", idat, data, offset);
+ offset += CHUNK_WRAPPER_SIZE + idat.length;
+ writePngChunk("IEND", new Uint8Array(0), data, offset);
+ return createObjectURL(data, "image/png", forceDataSchema);
+ }
+
+ return function convertImgDataToPng(imgData, forceDataSchema, isMask) {
+ const kind = imgData.kind === undefined ? _util.ImageKind.GRAYSCALE_1BPP : imgData.kind;
+ return encode(imgData, kind, forceDataSchema, isMask);
+ };
+ }();
+
+ class SVGExtraState {
+ constructor() {
+ this.fontSizeScale = 1;
+ this.fontWeight = SVG_DEFAULTS.fontWeight;
+ this.fontSize = 0;
+ this.textMatrix = _util.IDENTITY_MATRIX;
+ this.fontMatrix = _util.FONT_IDENTITY_MATRIX;
+ this.leading = 0;
+ this.textRenderingMode = _util.TextRenderingMode.FILL;
+ this.textMatrixScale = 1;
+ this.x = 0;
+ this.y = 0;
+ this.lineX = 0;
+ this.lineY = 0;
+ this.charSpacing = 0;
+ this.wordSpacing = 0;
+ this.textHScale = 1;
+ this.textRise = 0;
+ this.fillColor = SVG_DEFAULTS.fillColor;
+ this.strokeColor = "#000000";
+ this.fillAlpha = 1;
+ this.strokeAlpha = 1;
+ this.lineWidth = 1;
+ this.lineJoin = "";
+ this.lineCap = "";
+ this.miterLimit = 0;
+ this.dashArray = [];
+ this.dashPhase = 0;
+ this.dependencies = [];
+ this.activeClipUrl = null;
+ this.clipGroup = null;
+ this.maskId = "";
+ }
+
+ clone() {
+ return Object.create(this);
+ }
+
+ setCurrentPoint(x, y) {
+ this.x = x;
+ this.y = y;
+ }
+
+ }
+
+ function opListToTree(opList) {
+ let opTree = [];
+ const tmp = [];
+
+ for (const opListElement of opList) {
+ if (opListElement.fn === "save") {
+ opTree.push({
+ fnId: 92,
+ fn: "group",
+ items: []
+ });
+ tmp.push(opTree);
+ opTree = opTree.at(-1).items;
+ continue;
+ }
+
+ if (opListElement.fn === "restore") {
+ opTree = tmp.pop();
+ } else {
+ opTree.push(opListElement);
+ }
+ }
+
+ return opTree;
+ }
+
+ function pf(value) {
+ if (Number.isInteger(value)) {
+ return value.toString();
+ }
+
+ const s = value.toFixed(10);
+ let i = s.length - 1;
+
+ if (s[i] !== "0") {
+ return s;
+ }
+
+ do {
+ i--;
+ } while (s[i] === "0");
+
+ return s.substring(0, s[i] === "." ? i : i + 1);
+ }
+
+ function pm(m) {
+ if (m[4] === 0 && m[5] === 0) {
+ if (m[1] === 0 && m[2] === 0) {
+ if (m[0] === 1 && m[3] === 1) {
+ return "";
+ }
+
+ return `scale(${pf(m[0])} ${pf(m[3])})`;
+ }
+
+ if (m[0] === m[3] && m[1] === -m[2]) {
+ const a = Math.acos(m[0]) * 180 / Math.PI;
+ return `rotate(${pf(a)})`;
+ }
+ } else {
+ if (m[0] === 1 && m[1] === 0 && m[2] === 0 && m[3] === 1) {
+ return `translate(${pf(m[4])} ${pf(m[5])})`;
+ }
+ }
+
+ return `matrix(${pf(m[0])} ${pf(m[1])} ${pf(m[2])} ${pf(m[3])} ${pf(m[4])} ` + `${pf(m[5])})`;
+ }
+
+ let clipCount = 0;
+ let maskCount = 0;
+ let shadingCount = 0;
+ exports.SVGGraphics = SVGGraphics = class {
+ constructor(commonObjs, objs, forceDataSchema = false) {
+ (0, _display_utils.deprecated)("The SVG back-end is no longer maintained and *may* be removed in the future.");
+ this.svgFactory = new _display_utils.DOMSVGFactory();
+ this.current = new SVGExtraState();
+ this.transformMatrix = _util.IDENTITY_MATRIX;
+ this.transformStack = [];
+ this.extraStack = [];
+ this.commonObjs = commonObjs;
+ this.objs = objs;
+ this.pendingClip = null;
+ this.pendingEOFill = false;
+ this.embedFonts = false;
+ this.embeddedFonts = Object.create(null);
+ this.cssStyle = null;
+ this.forceDataSchema = !!forceDataSchema;
+ this._operatorIdMapping = [];
+
+ for (const op in _util.OPS) {
+ this._operatorIdMapping[_util.OPS[op]] = op;
+ }
+ }
+
+ save() {
+ this.transformStack.push(this.transformMatrix);
+ const old = this.current;
+ this.extraStack.push(old);
+ this.current = old.clone();
+ }
+
+ restore() {
+ this.transformMatrix = this.transformStack.pop();
+ this.current = this.extraStack.pop();
+ this.pendingClip = null;
+ this.tgrp = null;
+ }
+
+ group(items) {
+ this.save();
+ this.executeOpTree(items);
+ this.restore();
+ }
+
+ loadDependencies(operatorList) {
+ const fnArray = operatorList.fnArray;
+ const argsArray = operatorList.argsArray;
+
+ for (let i = 0, ii = fnArray.length; i < ii; i++) {
+ if (fnArray[i] !== _util.OPS.dependency) {
+ continue;
+ }
+
+ for (const obj of argsArray[i]) {
+ const objsPool = obj.startsWith("g_") ? this.commonObjs : this.objs;
+ const promise = new Promise(resolve => {
+ objsPool.get(obj, resolve);
+ });
+ this.current.dependencies.push(promise);
+ }
+ }
+
+ return Promise.all(this.current.dependencies);
+ }
+
+ transform(a, b, c, d, e, f) {
+ const transformMatrix = [a, b, c, d, e, f];
+ this.transformMatrix = _util.Util.transform(this.transformMatrix, transformMatrix);
+ this.tgrp = null;
+ }
+
+ getSVG(operatorList, viewport) {
+ this.viewport = viewport;
+
+ const svgElement = this._initialize(viewport);
+
+ return this.loadDependencies(operatorList).then(() => {
+ this.transformMatrix = _util.IDENTITY_MATRIX;
+ this.executeOpTree(this.convertOpList(operatorList));
+ return svgElement;
+ });
+ }
+
+ convertOpList(operatorList) {
+ const operatorIdMapping = this._operatorIdMapping;
+ const argsArray = operatorList.argsArray;
+ const fnArray = operatorList.fnArray;
+ const opList = [];
+
+ for (let i = 0, ii = fnArray.length; i < ii; i++) {
+ const fnId = fnArray[i];
+ opList.push({
+ fnId,
+ fn: operatorIdMapping[fnId],
+ args: argsArray[i]
+ });
+ }
+
+ return opListToTree(opList);
+ }
+
+ executeOpTree(opTree) {
+ for (const opTreeElement of opTree) {
+ const fn = opTreeElement.fn;
+ const fnId = opTreeElement.fnId;
+ const args = opTreeElement.args;
+
+ switch (fnId | 0) {
+ case _util.OPS.beginText:
+ this.beginText();
+ break;
+
+ case _util.OPS.dependency:
+ break;
+
+ case _util.OPS.setLeading:
+ this.setLeading(args);
+ break;
+
+ case _util.OPS.setLeadingMoveText:
+ this.setLeadingMoveText(args[0], args[1]);
+ break;
+
+ case _util.OPS.setFont:
+ this.setFont(args);
+ break;
+
+ case _util.OPS.showText:
+ this.showText(args[0]);
+ break;
+
+ case _util.OPS.showSpacedText:
+ this.showText(args[0]);
+ break;
+
+ case _util.OPS.endText:
+ this.endText();
+ break;
+
+ case _util.OPS.moveText:
+ this.moveText(args[0], args[1]);
+ break;
+
+ case _util.OPS.setCharSpacing:
+ this.setCharSpacing(args[0]);
+ break;
+
+ case _util.OPS.setWordSpacing:
+ this.setWordSpacing(args[0]);
+ break;
+
+ case _util.OPS.setHScale:
+ this.setHScale(args[0]);
+ break;
+
+ case _util.OPS.setTextMatrix:
+ this.setTextMatrix(args[0], args[1], args[2], args[3], args[4], args[5]);
+ break;
+
+ case _util.OPS.setTextRise:
+ this.setTextRise(args[0]);
+ break;
+
+ case _util.OPS.setTextRenderingMode:
+ this.setTextRenderingMode(args[0]);
+ break;
+
+ case _util.OPS.setLineWidth:
+ this.setLineWidth(args[0]);
+ break;
+
+ case _util.OPS.setLineJoin:
+ this.setLineJoin(args[0]);
+ break;
+
+ case _util.OPS.setLineCap:
+ this.setLineCap(args[0]);
+ break;
+
+ case _util.OPS.setMiterLimit:
+ this.setMiterLimit(args[0]);
+ break;
+
+ case _util.OPS.setFillRGBColor:
+ this.setFillRGBColor(args[0], args[1], args[2]);
+ break;
+
+ case _util.OPS.setStrokeRGBColor:
+ this.setStrokeRGBColor(args[0], args[1], args[2]);
+ break;
+
+ case _util.OPS.setStrokeColorN:
+ this.setStrokeColorN(args);
+ break;
+
+ case _util.OPS.setFillColorN:
+ this.setFillColorN(args);
+ break;
+
+ case _util.OPS.shadingFill:
+ this.shadingFill(args[0]);
+ break;
+
+ case _util.OPS.setDash:
+ this.setDash(args[0], args[1]);
+ break;
+
+ case _util.OPS.setRenderingIntent:
+ this.setRenderingIntent(args[0]);
+ break;
+
+ case _util.OPS.setFlatness:
+ this.setFlatness(args[0]);
+ break;
+
+ case _util.OPS.setGState:
+ this.setGState(args[0]);
+ break;
+
+ case _util.OPS.fill:
+ this.fill();
+ break;
+
+ case _util.OPS.eoFill:
+ this.eoFill();
+ break;
+
+ case _util.OPS.stroke:
+ this.stroke();
+ break;
+
+ case _util.OPS.fillStroke:
+ this.fillStroke();
+ break;
+
+ case _util.OPS.eoFillStroke:
+ this.eoFillStroke();
+ break;
+
+ case _util.OPS.clip:
+ this.clip("nonzero");
+ break;
+
+ case _util.OPS.eoClip:
+ this.clip("evenodd");
+ break;
+
+ case _util.OPS.paintSolidColorImageMask:
+ this.paintSolidColorImageMask();
+ break;
+
+ case _util.OPS.paintImageXObject:
+ this.paintImageXObject(args[0]);
+ break;
+
+ case _util.OPS.paintInlineImageXObject:
+ this.paintInlineImageXObject(args[0]);
+ break;
+
+ case _util.OPS.paintImageMaskXObject:
+ this.paintImageMaskXObject(args[0]);
+ break;
+
+ case _util.OPS.paintFormXObjectBegin:
+ this.paintFormXObjectBegin(args[0], args[1]);
+ break;
+
+ case _util.OPS.paintFormXObjectEnd:
+ this.paintFormXObjectEnd();
+ break;
+
+ case _util.OPS.closePath:
+ this.closePath();
+ break;
+
+ case _util.OPS.closeStroke:
+ this.closeStroke();
+ break;
+
+ case _util.OPS.closeFillStroke:
+ this.closeFillStroke();
+ break;
+
+ case _util.OPS.closeEOFillStroke:
+ this.closeEOFillStroke();
+ break;
+
+ case _util.OPS.nextLine:
+ this.nextLine();
+ break;
+
+ case _util.OPS.transform:
+ this.transform(args[0], args[1], args[2], args[3], args[4], args[5]);
+ break;
+
+ case _util.OPS.constructPath:
+ this.constructPath(args[0], args[1]);
+ break;
+
+ case _util.OPS.endPath:
+ this.endPath();
+ break;
+
+ case 92:
+ this.group(opTreeElement.items);
+ break;
+
+ default:
+ (0, _util.warn)(`Unimplemented operator ${fn}`);
+ break;
+ }
+ }
+ }
+
+ setWordSpacing(wordSpacing) {
+ this.current.wordSpacing = wordSpacing;
+ }
+
+ setCharSpacing(charSpacing) {
+ this.current.charSpacing = charSpacing;
+ }
+
+ nextLine() {
+ this.moveText(0, this.current.leading);
+ }
+
+ setTextMatrix(a, b, c, d, e, f) {
+ const current = this.current;
+ current.textMatrix = current.lineMatrix = [a, b, c, d, e, f];
+ current.textMatrixScale = Math.hypot(a, b);
+ current.x = current.lineX = 0;
+ current.y = current.lineY = 0;
+ current.xcoords = [];
+ current.ycoords = [];
+ current.tspan = this.svgFactory.createElement("svg:tspan");
+ current.tspan.setAttributeNS(null, "font-family", current.fontFamily);
+ current.tspan.setAttributeNS(null, "font-size", `${pf(current.fontSize)}px`);
+ current.tspan.setAttributeNS(null, "y", pf(-current.y));
+ current.txtElement = this.svgFactory.createElement("svg:text");
+ current.txtElement.append(current.tspan);
+ }
+
+ beginText() {
+ const current = this.current;
+ current.x = current.lineX = 0;
+ current.y = current.lineY = 0;
+ current.textMatrix = _util.IDENTITY_MATRIX;
+ current.lineMatrix = _util.IDENTITY_MATRIX;
+ current.textMatrixScale = 1;
+ current.tspan = this.svgFactory.createElement("svg:tspan");
+ current.txtElement = this.svgFactory.createElement("svg:text");
+ current.txtgrp = this.svgFactory.createElement("svg:g");
+ current.xcoords = [];
+ current.ycoords = [];
+ }
+
+ moveText(x, y) {
+ const current = this.current;
+ current.x = current.lineX += x;
+ current.y = current.lineY += y;
+ current.xcoords = [];
+ current.ycoords = [];
+ current.tspan = this.svgFactory.createElement("svg:tspan");
+ current.tspan.setAttributeNS(null, "font-family", current.fontFamily);
+ current.tspan.setAttributeNS(null, "font-size", `${pf(current.fontSize)}px`);
+ current.tspan.setAttributeNS(null, "y", pf(-current.y));
+ }
+
+ showText(glyphs) {
+ const current = this.current;
+ const font = current.font;
+ const fontSize = current.fontSize;
+
+ if (fontSize === 0) {
+ return;
+ }
+
+ const fontSizeScale = current.fontSizeScale;
+ const charSpacing = current.charSpacing;
+ const wordSpacing = current.wordSpacing;
+ const fontDirection = current.fontDirection;
+ const textHScale = current.textHScale * fontDirection;
+ const vertical = font.vertical;
+ const spacingDir = vertical ? 1 : -1;
+ const defaultVMetrics = font.defaultVMetrics;
+ const widthAdvanceScale = fontSize * current.fontMatrix[0];
+ let x = 0;
+
+ for (const glyph of glyphs) {
+ if (glyph === null) {
+ x += fontDirection * wordSpacing;
+ continue;
+ } else if (typeof glyph === "number") {
+ x += spacingDir * glyph * fontSize / 1000;
+ continue;
+ }
+
+ const spacing = (glyph.isSpace ? wordSpacing : 0) + charSpacing;
+ const character = glyph.fontChar;
+ let scaledX, scaledY;
+ let width = glyph.width;
+
+ if (vertical) {
+ let vx;
+ const vmetric = glyph.vmetric || defaultVMetrics;
+ vx = glyph.vmetric ? vmetric[1] : width * 0.5;
+ vx = -vx * widthAdvanceScale;
+ const vy = vmetric[2] * widthAdvanceScale;
+ width = vmetric ? -vmetric[0] : width;
+ scaledX = vx / fontSizeScale;
+ scaledY = (x + vy) / fontSizeScale;
+ } else {
+ scaledX = x / fontSizeScale;
+ scaledY = 0;
+ }
+
+ if (glyph.isInFont || font.missingFile) {
+ current.xcoords.push(current.x + scaledX);
+
+ if (vertical) {
+ current.ycoords.push(-current.y + scaledY);
+ }
+
+ current.tspan.textContent += character;
+ } else {}
+
+ let charWidth;
+
+ if (vertical) {
+ charWidth = width * widthAdvanceScale - spacing * fontDirection;
+ } else {
+ charWidth = width * widthAdvanceScale + spacing * fontDirection;
+ }
+
+ x += charWidth;
+ }
+
+ current.tspan.setAttributeNS(null, "x", current.xcoords.map(pf).join(" "));
+
+ if (vertical) {
+ current.tspan.setAttributeNS(null, "y", current.ycoords.map(pf).join(" "));
+ } else {
+ current.tspan.setAttributeNS(null, "y", pf(-current.y));
+ }
+
+ if (vertical) {
+ current.y -= x;
+ } else {
+ current.x += x * textHScale;
+ }
+
+ current.tspan.setAttributeNS(null, "font-family", current.fontFamily);
+ current.tspan.setAttributeNS(null, "font-size", `${pf(current.fontSize)}px`);
+
+ if (current.fontStyle !== SVG_DEFAULTS.fontStyle) {
+ current.tspan.setAttributeNS(null, "font-style", current.fontStyle);
+ }
+
+ if (current.fontWeight !== SVG_DEFAULTS.fontWeight) {
+ current.tspan.setAttributeNS(null, "font-weight", current.fontWeight);
+ }
+
+ const fillStrokeMode = current.textRenderingMode & _util.TextRenderingMode.FILL_STROKE_MASK;
+
+ if (fillStrokeMode === _util.TextRenderingMode.FILL || fillStrokeMode === _util.TextRenderingMode.FILL_STROKE) {
+ if (current.fillColor !== SVG_DEFAULTS.fillColor) {
+ current.tspan.setAttributeNS(null, "fill", current.fillColor);
+ }
+
+ if (current.fillAlpha < 1) {
+ current.tspan.setAttributeNS(null, "fill-opacity", current.fillAlpha);
+ }
+ } else if (current.textRenderingMode === _util.TextRenderingMode.ADD_TO_PATH) {
+ current.tspan.setAttributeNS(null, "fill", "transparent");
+ } else {
+ current.tspan.setAttributeNS(null, "fill", "none");
+ }
+
+ if (fillStrokeMode === _util.TextRenderingMode.STROKE || fillStrokeMode === _util.TextRenderingMode.FILL_STROKE) {
+ const lineWidthScale = 1 / (current.textMatrixScale || 1);
+
+ this._setStrokeAttributes(current.tspan, lineWidthScale);
+ }
+
+ let textMatrix = current.textMatrix;
+
+ if (current.textRise !== 0) {
+ textMatrix = textMatrix.slice();
+ textMatrix[5] += current.textRise;
+ }
+
+ current.txtElement.setAttributeNS(null, "transform", `${pm(textMatrix)} scale(${pf(textHScale)}, -1)`);
+ current.txtElement.setAttributeNS(XML_NS, "xml:space", "preserve");
+ current.txtElement.append(current.tspan);
+ current.txtgrp.append(current.txtElement);
+
+ this._ensureTransformGroup().append(current.txtElement);
+ }
+
+ setLeadingMoveText(x, y) {
+ this.setLeading(-y);
+ this.moveText(x, y);
+ }
+
+ addFontStyle(fontObj) {
+ if (!fontObj.data) {
+ throw new Error("addFontStyle: No font data available, " + 'ensure that the "fontExtraProperties" API parameter is set.');
+ }
+
+ if (!this.cssStyle) {
+ this.cssStyle = this.svgFactory.createElement("svg:style");
+ this.cssStyle.setAttributeNS(null, "type", "text/css");
+ this.defs.append(this.cssStyle);
+ }
+
+ const url = createObjectURL(fontObj.data, fontObj.mimetype, this.forceDataSchema);
+ this.cssStyle.textContent += `@font-face { font-family: "${fontObj.loadedName}";` + ` src: url(${url}); }\n`;
+ }
+
+ setFont(details) {
+ const current = this.current;
+ const fontObj = this.commonObjs.get(details[0]);
+ let size = details[1];
+ current.font = fontObj;
+
+ if (this.embedFonts && !fontObj.missingFile && !this.embeddedFonts[fontObj.loadedName]) {
+ this.addFontStyle(fontObj);
+ this.embeddedFonts[fontObj.loadedName] = fontObj;
+ }
+
+ current.fontMatrix = fontObj.fontMatrix || _util.FONT_IDENTITY_MATRIX;
+ let bold = "normal";
+
+ if (fontObj.black) {
+ bold = "900";
+ } else if (fontObj.bold) {
+ bold = "bold";
+ }
+
+ const italic = fontObj.italic ? "italic" : "normal";
+
+ if (size < 0) {
+ size = -size;
+ current.fontDirection = -1;
+ } else {
+ current.fontDirection = 1;
+ }
+
+ current.fontSize = size;
+ current.fontFamily = fontObj.loadedName;
+ current.fontWeight = bold;
+ current.fontStyle = italic;
+ current.tspan = this.svgFactory.createElement("svg:tspan");
+ current.tspan.setAttributeNS(null, "y", pf(-current.y));
+ current.xcoords = [];
+ current.ycoords = [];
+ }
+
+ endText() {
+ const current = this.current;
+
+ if (current.textRenderingMode & _util.TextRenderingMode.ADD_TO_PATH_FLAG && current.txtElement?.hasChildNodes()) {
+ current.element = current.txtElement;
+ this.clip("nonzero");
+ this.endPath();
+ }
+ }
+
+ setLineWidth(width) {
+ if (width > 0) {
+ this.current.lineWidth = width;
+ }
+ }
+
+ setLineCap(style) {
+ this.current.lineCap = LINE_CAP_STYLES[style];
+ }
+
+ setLineJoin(style) {
+ this.current.lineJoin = LINE_JOIN_STYLES[style];
+ }
+
+ setMiterLimit(limit) {
+ this.current.miterLimit = limit;
+ }
+
+ setStrokeAlpha(strokeAlpha) {
+ this.current.strokeAlpha = strokeAlpha;
+ }
+
+ setStrokeRGBColor(r, g, b) {
+ this.current.strokeColor = _util.Util.makeHexColor(r, g, b);
+ }
+
+ setFillAlpha(fillAlpha) {
+ this.current.fillAlpha = fillAlpha;
+ }
+
+ setFillRGBColor(r, g, b) {
+ this.current.fillColor = _util.Util.makeHexColor(r, g, b);
+ this.current.tspan = this.svgFactory.createElement("svg:tspan");
+ this.current.xcoords = [];
+ this.current.ycoords = [];
+ }
+
+ setStrokeColorN(args) {
+ this.current.strokeColor = this._makeColorN_Pattern(args);
+ }
+
+ setFillColorN(args) {
+ this.current.fillColor = this._makeColorN_Pattern(args);
+ }
+
+ shadingFill(args) {
+ const width = this.viewport.width;
+ const height = this.viewport.height;
+
+ const inv = _util.Util.inverseTransform(this.transformMatrix);
+
+ const bl = _util.Util.applyTransform([0, 0], inv);
+
+ const br = _util.Util.applyTransform([0, height], inv);
+
+ const ul = _util.Util.applyTransform([width, 0], inv);
+
+ const ur = _util.Util.applyTransform([width, height], inv);
+
+ const x0 = Math.min(bl[0], br[0], ul[0], ur[0]);
+ const y0 = Math.min(bl[1], br[1], ul[1], ur[1]);
+ const x1 = Math.max(bl[0], br[0], ul[0], ur[0]);
+ const y1 = Math.max(bl[1], br[1], ul[1], ur[1]);
+ const rect = this.svgFactory.createElement("svg:rect");
+ rect.setAttributeNS(null, "x", x0);
+ rect.setAttributeNS(null, "y", y0);
+ rect.setAttributeNS(null, "width", x1 - x0);
+ rect.setAttributeNS(null, "height", y1 - y0);
+ rect.setAttributeNS(null, "fill", this._makeShadingPattern(args));
+
+ if (this.current.fillAlpha < 1) {
+ rect.setAttributeNS(null, "fill-opacity", this.current.fillAlpha);
+ }
+
+ this._ensureTransformGroup().append(rect);
+ }
+
+ _makeColorN_Pattern(args) {
+ if (args[0] === "TilingPattern") {
+ return this._makeTilingPattern(args);
+ }
+
+ return this._makeShadingPattern(args);
+ }
+
+ _makeTilingPattern(args) {
+ const color = args[1];
+ const operatorList = args[2];
+ const matrix = args[3] || _util.IDENTITY_MATRIX;
+ const [x0, y0, x1, y1] = args[4];
+ const xstep = args[5];
+ const ystep = args[6];
+ const paintType = args[7];
+ const tilingId = `shading${shadingCount++}`;
+
+ const [tx0, ty0, tx1, ty1] = _util.Util.normalizeRect([..._util.Util.applyTransform([x0, y0], matrix), ..._util.Util.applyTransform([x1, y1], matrix)]);
+
+ const [xscale, yscale] = _util.Util.singularValueDecompose2dScale(matrix);
+
+ const txstep = xstep * xscale;
+ const tystep = ystep * yscale;
+ const tiling = this.svgFactory.createElement("svg:pattern");
+ tiling.setAttributeNS(null, "id", tilingId);
+ tiling.setAttributeNS(null, "patternUnits", "userSpaceOnUse");
+ tiling.setAttributeNS(null, "width", txstep);
+ tiling.setAttributeNS(null, "height", tystep);
+ tiling.setAttributeNS(null, "x", `${tx0}`);
+ tiling.setAttributeNS(null, "y", `${ty0}`);
+ const svg = this.svg;
+ const transformMatrix = this.transformMatrix;
+ const fillColor = this.current.fillColor;
+ const strokeColor = this.current.strokeColor;
+ const bbox = this.svgFactory.create(tx1 - tx0, ty1 - ty0);
+ this.svg = bbox;
+ this.transformMatrix = matrix;
+
+ if (paintType === 2) {
+ const cssColor = _util.Util.makeHexColor(...color);
+
+ this.current.fillColor = cssColor;
+ this.current.strokeColor = cssColor;
+ }
+
+ this.executeOpTree(this.convertOpList(operatorList));
+ this.svg = svg;
+ this.transformMatrix = transformMatrix;
+ this.current.fillColor = fillColor;
+ this.current.strokeColor = strokeColor;
+ tiling.append(bbox.childNodes[0]);
+ this.defs.append(tiling);
+ return `url(#${tilingId})`;
+ }
+
+ _makeShadingPattern(args) {
+ if (typeof args === "string") {
+ args = this.objs.get(args);
+ }
+
+ switch (args[0]) {
+ case "RadialAxial":
+ const shadingId = `shading${shadingCount++}`;
+ const colorStops = args[3];
+ let gradient;
+
+ switch (args[1]) {
+ case "axial":
+ const point0 = args[4];
+ const point1 = args[5];
+ gradient = this.svgFactory.createElement("svg:linearGradient");
+ gradient.setAttributeNS(null, "id", shadingId);
+ gradient.setAttributeNS(null, "gradientUnits", "userSpaceOnUse");
+ gradient.setAttributeNS(null, "x1", point0[0]);
+ gradient.setAttributeNS(null, "y1", point0[1]);
+ gradient.setAttributeNS(null, "x2", point1[0]);
+ gradient.setAttributeNS(null, "y2", point1[1]);
+ break;
+
+ case "radial":
+ const focalPoint = args[4];
+ const circlePoint = args[5];
+ const focalRadius = args[6];
+ const circleRadius = args[7];
+ gradient = this.svgFactory.createElement("svg:radialGradient");
+ gradient.setAttributeNS(null, "id", shadingId);
+ gradient.setAttributeNS(null, "gradientUnits", "userSpaceOnUse");
+ gradient.setAttributeNS(null, "cx", circlePoint[0]);
+ gradient.setAttributeNS(null, "cy", circlePoint[1]);
+ gradient.setAttributeNS(null, "r", circleRadius);
+ gradient.setAttributeNS(null, "fx", focalPoint[0]);
+ gradient.setAttributeNS(null, "fy", focalPoint[1]);
+ gradient.setAttributeNS(null, "fr", focalRadius);
+ break;
+
+ default:
+ throw new Error(`Unknown RadialAxial type: ${args[1]}`);
+ }
+
+ for (const colorStop of colorStops) {
+ const stop = this.svgFactory.createElement("svg:stop");
+ stop.setAttributeNS(null, "offset", colorStop[0]);
+ stop.setAttributeNS(null, "stop-color", colorStop[1]);
+ gradient.append(stop);
+ }
+
+ this.defs.append(gradient);
+ return `url(#${shadingId})`;
+
+ case "Mesh":
+ (0, _util.warn)("Unimplemented pattern Mesh");
+ return null;
+
+ case "Dummy":
+ return "hotpink";
+
+ default:
+ throw new Error(`Unknown IR type: ${args[0]}`);
+ }
+ }
+
+ setDash(dashArray, dashPhase) {
+ this.current.dashArray = dashArray;
+ this.current.dashPhase = dashPhase;
+ }
+
+ constructPath(ops, args) {
+ const current = this.current;
+ let x = current.x,
+ y = current.y;
+ let d = [];
+ let j = 0;
+
+ for (const op of ops) {
+ switch (op | 0) {
+ case _util.OPS.rectangle:
+ x = args[j++];
+ y = args[j++];
+ const width = args[j++];
+ const height = args[j++];
+ const xw = x + width;
+ const yh = y + height;
+ d.push("M", pf(x), pf(y), "L", pf(xw), pf(y), "L", pf(xw), pf(yh), "L", pf(x), pf(yh), "Z");
+ break;
+
+ case _util.OPS.moveTo:
+ x = args[j++];
+ y = args[j++];
+ d.push("M", pf(x), pf(y));
+ break;
+
+ case _util.OPS.lineTo:
+ x = args[j++];
+ y = args[j++];
+ d.push("L", pf(x), pf(y));
+ break;
+
+ case _util.OPS.curveTo:
+ x = args[j + 4];
+ y = args[j + 5];
+ d.push("C", pf(args[j]), pf(args[j + 1]), pf(args[j + 2]), pf(args[j + 3]), pf(x), pf(y));
+ j += 6;
+ break;
+
+ case _util.OPS.curveTo2:
+ d.push("C", pf(x), pf(y), pf(args[j]), pf(args[j + 1]), pf(args[j + 2]), pf(args[j + 3]));
+ x = args[j + 2];
+ y = args[j + 3];
+ j += 4;
+ break;
+
+ case _util.OPS.curveTo3:
+ x = args[j + 2];
+ y = args[j + 3];
+ d.push("C", pf(args[j]), pf(args[j + 1]), pf(x), pf(y), pf(x), pf(y));
+ j += 4;
+ break;
+
+ case _util.OPS.closePath:
+ d.push("Z");
+ break;
+ }
+ }
+
+ d = d.join(" ");
+
+ if (current.path && ops.length > 0 && ops[0] !== _util.OPS.rectangle && ops[0] !== _util.OPS.moveTo) {
+ d = current.path.getAttributeNS(null, "d") + d;
+ } else {
+ current.path = this.svgFactory.createElement("svg:path");
+
+ this._ensureTransformGroup().append(current.path);
+ }
+
+ current.path.setAttributeNS(null, "d", d);
+ current.path.setAttributeNS(null, "fill", "none");
+ current.element = current.path;
+ current.setCurrentPoint(x, y);
+ }
+
+ endPath() {
+ const current = this.current;
+ current.path = null;
+
+ if (!this.pendingClip) {
+ return;
+ }
+
+ if (!current.element) {
+ this.pendingClip = null;
+ return;
+ }
+
+ const clipId = `clippath${clipCount++}`;
+ const clipPath = this.svgFactory.createElement("svg:clipPath");
+ clipPath.setAttributeNS(null, "id", clipId);
+ clipPath.setAttributeNS(null, "transform", pm(this.transformMatrix));
+ const clipElement = current.element.cloneNode(true);
+
+ if (this.pendingClip === "evenodd") {
+ clipElement.setAttributeNS(null, "clip-rule", "evenodd");
+ } else {
+ clipElement.setAttributeNS(null, "clip-rule", "nonzero");
+ }
+
+ this.pendingClip = null;
+ clipPath.append(clipElement);
+ this.defs.append(clipPath);
+
+ if (current.activeClipUrl) {
+ current.clipGroup = null;
+
+ for (const prev of this.extraStack) {
+ prev.clipGroup = null;
+ }
+
+ clipPath.setAttributeNS(null, "clip-path", current.activeClipUrl);
+ }
+
+ current.activeClipUrl = `url(#${clipId})`;
+ this.tgrp = null;
+ }
+
+ clip(type) {
+ this.pendingClip = type;
+ }
+
+ closePath() {
+ const current = this.current;
+
+ if (current.path) {
+ const d = `${current.path.getAttributeNS(null, "d")}Z`;
+ current.path.setAttributeNS(null, "d", d);
+ }
+ }
+
+ setLeading(leading) {
+ this.current.leading = -leading;
+ }
+
+ setTextRise(textRise) {
+ this.current.textRise = textRise;
+ }
+
+ setTextRenderingMode(textRenderingMode) {
+ this.current.textRenderingMode = textRenderingMode;
+ }
+
+ setHScale(scale) {
+ this.current.textHScale = scale / 100;
+ }
+
+ setRenderingIntent(intent) {}
+
+ setFlatness(flatness) {}
+
+ setGState(states) {
+ for (const [key, value] of states) {
+ switch (key) {
+ case "LW":
+ this.setLineWidth(value);
+ break;
+
+ case "LC":
+ this.setLineCap(value);
+ break;
+
+ case "LJ":
+ this.setLineJoin(value);
+ break;
+
+ case "ML":
+ this.setMiterLimit(value);
+ break;
+
+ case "D":
+ this.setDash(value[0], value[1]);
+ break;
+
+ case "RI":
+ this.setRenderingIntent(value);
+ break;
+
+ case "FL":
+ this.setFlatness(value);
+ break;
+
+ case "Font":
+ this.setFont(value);
+ break;
+
+ case "CA":
+ this.setStrokeAlpha(value);
+ break;
+
+ case "ca":
+ this.setFillAlpha(value);
+ break;
+
+ default:
+ (0, _util.warn)(`Unimplemented graphic state operator ${key}`);
+ break;
+ }
+ }
+ }
+
+ fill() {
+ const current = this.current;
+
+ if (current.element) {
+ current.element.setAttributeNS(null, "fill", current.fillColor);
+ current.element.setAttributeNS(null, "fill-opacity", current.fillAlpha);
+ this.endPath();
+ }
+ }
+
+ stroke() {
+ const current = this.current;
+
+ if (current.element) {
+ this._setStrokeAttributes(current.element);
+
+ current.element.setAttributeNS(null, "fill", "none");
+ this.endPath();
+ }
+ }
+
+ _setStrokeAttributes(element, lineWidthScale = 1) {
+ const current = this.current;
+ let dashArray = current.dashArray;
+
+ if (lineWidthScale !== 1 && dashArray.length > 0) {
+ dashArray = dashArray.map(function (value) {
+ return lineWidthScale * value;
+ });
+ }
+
+ element.setAttributeNS(null, "stroke", current.strokeColor);
+ element.setAttributeNS(null, "stroke-opacity", current.strokeAlpha);
+ element.setAttributeNS(null, "stroke-miterlimit", pf(current.miterLimit));
+ element.setAttributeNS(null, "stroke-linecap", current.lineCap);
+ element.setAttributeNS(null, "stroke-linejoin", current.lineJoin);
+ element.setAttributeNS(null, "stroke-width", pf(lineWidthScale * current.lineWidth) + "px");
+ element.setAttributeNS(null, "stroke-dasharray", dashArray.map(pf).join(" "));
+ element.setAttributeNS(null, "stroke-dashoffset", pf(lineWidthScale * current.dashPhase) + "px");
+ }
+
+ eoFill() {
+ if (this.current.element) {
+ this.current.element.setAttributeNS(null, "fill-rule", "evenodd");
+ }
+
+ this.fill();
+ }
+
+ fillStroke() {
+ this.stroke();
+ this.fill();
+ }
+
+ eoFillStroke() {
+ if (this.current.element) {
+ this.current.element.setAttributeNS(null, "fill-rule", "evenodd");
+ }
+
+ this.fillStroke();
+ }
+
+ closeStroke() {
+ this.closePath();
+ this.stroke();
+ }
+
+ closeFillStroke() {
+ this.closePath();
+ this.fillStroke();
+ }
+
+ closeEOFillStroke() {
+ this.closePath();
+ this.eoFillStroke();
+ }
+
+ paintSolidColorImageMask() {
+ const rect = this.svgFactory.createElement("svg:rect");
+ rect.setAttributeNS(null, "x", "0");
+ rect.setAttributeNS(null, "y", "0");
+ rect.setAttributeNS(null, "width", "1px");
+ rect.setAttributeNS(null, "height", "1px");
+ rect.setAttributeNS(null, "fill", this.current.fillColor);
+
+ this._ensureTransformGroup().append(rect);
+ }
+
+ paintImageXObject(objId) {
+ const imgData = objId.startsWith("g_") ? this.commonObjs.get(objId) : this.objs.get(objId);
+
+ if (!imgData) {
+ (0, _util.warn)(`Dependent image with object ID ${objId} is not ready yet`);
+ return;
+ }
+
+ this.paintInlineImageXObject(imgData);
+ }
+
+ paintInlineImageXObject(imgData, mask) {
+ const width = imgData.width;
+ const height = imgData.height;
+ const imgSrc = convertImgDataToPng(imgData, this.forceDataSchema, !!mask);
+ const cliprect = this.svgFactory.createElement("svg:rect");
+ cliprect.setAttributeNS(null, "x", "0");
+ cliprect.setAttributeNS(null, "y", "0");
+ cliprect.setAttributeNS(null, "width", pf(width));
+ cliprect.setAttributeNS(null, "height", pf(height));
+ this.current.element = cliprect;
+ this.clip("nonzero");
+ const imgEl = this.svgFactory.createElement("svg:image");
+ imgEl.setAttributeNS(XLINK_NS, "xlink:href", imgSrc);
+ imgEl.setAttributeNS(null, "x", "0");
+ imgEl.setAttributeNS(null, "y", pf(-height));
+ imgEl.setAttributeNS(null, "width", pf(width) + "px");
+ imgEl.setAttributeNS(null, "height", pf(height) + "px");
+ imgEl.setAttributeNS(null, "transform", `scale(${pf(1 / width)} ${pf(-1 / height)})`);
+
+ if (mask) {
+ mask.append(imgEl);
+ } else {
+ this._ensureTransformGroup().append(imgEl);
+ }
+ }
+
+ paintImageMaskXObject(imgData) {
+ const current = this.current;
+ const width = imgData.width;
+ const height = imgData.height;
+ const fillColor = current.fillColor;
+ current.maskId = `mask${maskCount++}`;
+ const mask = this.svgFactory.createElement("svg:mask");
+ mask.setAttributeNS(null, "id", current.maskId);
+ const rect = this.svgFactory.createElement("svg:rect");
+ rect.setAttributeNS(null, "x", "0");
+ rect.setAttributeNS(null, "y", "0");
+ rect.setAttributeNS(null, "width", pf(width));
+ rect.setAttributeNS(null, "height", pf(height));
+ rect.setAttributeNS(null, "fill", fillColor);
+ rect.setAttributeNS(null, "mask", `url(#${current.maskId})`);
+ this.defs.append(mask);
+
+ this._ensureTransformGroup().append(rect);
+
+ this.paintInlineImageXObject(imgData, mask);
+ }
+
+ paintFormXObjectBegin(matrix, bbox) {
+ if (Array.isArray(matrix) && matrix.length === 6) {
+ this.transform(matrix[0], matrix[1], matrix[2], matrix[3], matrix[4], matrix[5]);
+ }
+
+ if (bbox) {
+ const width = bbox[2] - bbox[0];
+ const height = bbox[3] - bbox[1];
+ const cliprect = this.svgFactory.createElement("svg:rect");
+ cliprect.setAttributeNS(null, "x", bbox[0]);
+ cliprect.setAttributeNS(null, "y", bbox[1]);
+ cliprect.setAttributeNS(null, "width", pf(width));
+ cliprect.setAttributeNS(null, "height", pf(height));
+ this.current.element = cliprect;
+ this.clip("nonzero");
+ this.endPath();
+ }
+ }
+
+ paintFormXObjectEnd() {}
+
+ _initialize(viewport) {
+ const svg = this.svgFactory.create(viewport.width, viewport.height);
+ const definitions = this.svgFactory.createElement("svg:defs");
+ svg.append(definitions);
+ this.defs = definitions;
+ const rootGroup = this.svgFactory.createElement("svg:g");
+ rootGroup.setAttributeNS(null, "transform", pm(viewport.transform));
+ svg.append(rootGroup);
+ this.svg = rootGroup;
+ return svg;
+ }
+
+ _ensureClipGroup() {
+ if (!this.current.clipGroup) {
+ const clipGroup = this.svgFactory.createElement("svg:g");
+ clipGroup.setAttributeNS(null, "clip-path", this.current.activeClipUrl);
+ this.svg.append(clipGroup);
+ this.current.clipGroup = clipGroup;
+ }
+
+ return this.current.clipGroup;
+ }
+
+ _ensureTransformGroup() {
+ if (!this.tgrp) {
+ this.tgrp = this.svgFactory.createElement("svg:g");
+ this.tgrp.setAttributeNS(null, "transform", pm(this.transformMatrix));
+
+ if (this.current.activeClipUrl) {
+ this._ensureClipGroup().append(this.tgrp);
+ } else {
+ this.svg.append(this.tgrp);
+ }
+ }
+
+ return this.tgrp;
+ }
+
+ };
}
-if (isReadableStreamSupported) {
- exports.ReadableStream = ReadableStream;
-} else {
- exports.ReadableStream = __w_pdfjs_require__(10).ReadableStream;
+
+/***/ }),
+/* 32 */
+/***/ ((__unused_webpack_module, exports, __w_pdfjs_require__) => {
+
+
+
+Object.defineProperty(exports, "__esModule", ({
+ value: true
+}));
+exports.PDFNodeStream = void 0;
+
+var _util = __w_pdfjs_require__(1);
+
+var _network_utils = __w_pdfjs_require__(33);
+
+;
+
+const fs = require("fs");
+
+const http = require("http");
+
+const https = require("https");
+
+const url = require("url");
+
+const fileUriRegex = /^file:\/\/\/[a-zA-Z]:\//;
+
+function parseUrl(sourceUrl) {
+ const parsedUrl = url.parse(sourceUrl);
+
+ if (parsedUrl.protocol === "file:" || parsedUrl.host) {
+ return parsedUrl;
+ }
+
+ if (/^[a-z]:[/\\]/i.test(sourceUrl)) {
+ return url.parse(`file:///${sourceUrl}`);
+ }
+
+ if (!parsedUrl.host) {
+ parsedUrl.protocol = "file:";
+ }
+
+ return parsedUrl;
+}
+
+class PDFNodeStream {
+ constructor(source) {
+ this.source = source;
+ this.url = parseUrl(source.url);
+ this.isHttp = this.url.protocol === "http:" || this.url.protocol === "https:";
+ this.isFsUrl = this.url.protocol === "file:";
+ this.httpHeaders = this.isHttp && source.httpHeaders || {};
+ this._fullRequestReader = null;
+ this._rangeRequestReaders = [];
+ }
+
+ get _progressiveDataLength() {
+ return this._fullRequestReader?._loaded ?? 0;
+ }
+
+ getFullReader() {
+ (0, _util.assert)(!this._fullRequestReader, "PDFNodeStream.getFullReader can only be called once.");
+ this._fullRequestReader = this.isFsUrl ? new PDFNodeStreamFsFullReader(this) : new PDFNodeStreamFullReader(this);
+ return this._fullRequestReader;
+ }
+
+ getRangeReader(start, end) {
+ if (end <= this._progressiveDataLength) {
+ return null;
+ }
+
+ const rangeReader = this.isFsUrl ? new PDFNodeStreamFsRangeReader(this, start, end) : new PDFNodeStreamRangeReader(this, start, end);
+
+ this._rangeRequestReaders.push(rangeReader);
+
+ return rangeReader;
+ }
+
+ cancelAllRequests(reason) {
+ if (this._fullRequestReader) {
+ this._fullRequestReader.cancel(reason);
+ }
+
+ for (const reader of this._rangeRequestReaders.slice(0)) {
+ reader.cancel(reason);
+ }
+ }
+
+}
+
+exports.PDFNodeStream = PDFNodeStream;
+
+class BaseFullReader {
+ constructor(stream) {
+ this._url = stream.url;
+ this._done = false;
+ this._storedError = null;
+ this.onProgress = null;
+ const source = stream.source;
+ this._contentLength = source.length;
+ this._loaded = 0;
+ this._filename = null;
+ this._disableRange = source.disableRange || false;
+ this._rangeChunkSize = source.rangeChunkSize;
+
+ if (!this._rangeChunkSize && !this._disableRange) {
+ this._disableRange = true;
+ }
+
+ this._isStreamingSupported = !source.disableStream;
+ this._isRangeSupported = !source.disableRange;
+ this._readableStream = null;
+ this._readCapability = (0, _util.createPromiseCapability)();
+ this._headersCapability = (0, _util.createPromiseCapability)();
+ }
+
+ get headersReady() {
+ return this._headersCapability.promise;
+ }
+
+ get filename() {
+ return this._filename;
+ }
+
+ get contentLength() {
+ return this._contentLength;
+ }
+
+ get isRangeSupported() {
+ return this._isRangeSupported;
+ }
+
+ get isStreamingSupported() {
+ return this._isStreamingSupported;
+ }
+
+ async read() {
+ await this._readCapability.promise;
+
+ if (this._done) {
+ return {
+ value: undefined,
+ done: true
+ };
+ }
+
+ if (this._storedError) {
+ throw this._storedError;
+ }
+
+ const chunk = this._readableStream.read();
+
+ if (chunk === null) {
+ this._readCapability = (0, _util.createPromiseCapability)();
+ return this.read();
+ }
+
+ this._loaded += chunk.length;
+
+ if (this.onProgress) {
+ this.onProgress({
+ loaded: this._loaded,
+ total: this._contentLength
+ });
+ }
+
+ const buffer = new Uint8Array(chunk).buffer;
+ return {
+ value: buffer,
+ done: false
+ };
+ }
+
+ cancel(reason) {
+ if (!this._readableStream) {
+ this._error(reason);
+
+ return;
+ }
+
+ this._readableStream.destroy(reason);
+ }
+
+ _error(reason) {
+ this._storedError = reason;
+
+ this._readCapability.resolve();
+ }
+
+ _setReadableStream(readableStream) {
+ this._readableStream = readableStream;
+ readableStream.on("readable", () => {
+ this._readCapability.resolve();
+ });
+ readableStream.on("end", () => {
+ readableStream.destroy();
+ this._done = true;
+
+ this._readCapability.resolve();
+ });
+ readableStream.on("error", reason => {
+ this._error(reason);
+ });
+
+ if (!this._isStreamingSupported && this._isRangeSupported) {
+ this._error(new _util.AbortException("streaming is disabled"));
+ }
+
+ if (this._storedError) {
+ this._readableStream.destroy(this._storedError);
+ }
+ }
+
+}
+
+class BaseRangeReader {
+ constructor(stream) {
+ this._url = stream.url;
+ this._done = false;
+ this._storedError = null;
+ this.onProgress = null;
+ this._loaded = 0;
+ this._readableStream = null;
+ this._readCapability = (0, _util.createPromiseCapability)();
+ const source = stream.source;
+ this._isStreamingSupported = !source.disableStream;
+ }
+
+ get isStreamingSupported() {
+ return this._isStreamingSupported;
+ }
+
+ async read() {
+ await this._readCapability.promise;
+
+ if (this._done) {
+ return {
+ value: undefined,
+ done: true
+ };
+ }
+
+ if (this._storedError) {
+ throw this._storedError;
+ }
+
+ const chunk = this._readableStream.read();
+
+ if (chunk === null) {
+ this._readCapability = (0, _util.createPromiseCapability)();
+ return this.read();
+ }
+
+ this._loaded += chunk.length;
+
+ if (this.onProgress) {
+ this.onProgress({
+ loaded: this._loaded
+ });
+ }
+
+ const buffer = new Uint8Array(chunk).buffer;
+ return {
+ value: buffer,
+ done: false
+ };
+ }
+
+ cancel(reason) {
+ if (!this._readableStream) {
+ this._error(reason);
+
+ return;
+ }
+
+ this._readableStream.destroy(reason);
+ }
+
+ _error(reason) {
+ this._storedError = reason;
+
+ this._readCapability.resolve();
+ }
+
+ _setReadableStream(readableStream) {
+ this._readableStream = readableStream;
+ readableStream.on("readable", () => {
+ this._readCapability.resolve();
+ });
+ readableStream.on("end", () => {
+ readableStream.destroy();
+ this._done = true;
+
+ this._readCapability.resolve();
+ });
+ readableStream.on("error", reason => {
+ this._error(reason);
+ });
+
+ if (this._storedError) {
+ this._readableStream.destroy(this._storedError);
+ }
+ }
+
+}
+
+function createRequestOptions(parsedUrl, headers) {
+ return {
+ protocol: parsedUrl.protocol,
+ auth: parsedUrl.auth,
+ host: parsedUrl.hostname,
+ port: parsedUrl.port,
+ path: parsedUrl.path,
+ method: "GET",
+ headers
+ };
+}
+
+class PDFNodeStreamFullReader extends BaseFullReader {
+ constructor(stream) {
+ super(stream);
+
+ const handleResponse = response => {
+ if (response.statusCode === 404) {
+ const error = new _util.MissingPDFException(`Missing PDF "${this._url}".`);
+ this._storedError = error;
+
+ this._headersCapability.reject(error);
+
+ return;
+ }
+
+ this._headersCapability.resolve();
+
+ this._setReadableStream(response);
+
+ const getResponseHeader = name => {
+ return this._readableStream.headers[name.toLowerCase()];
+ };
+
+ const {
+ allowRangeRequests,
+ suggestedLength
+ } = (0, _network_utils.validateRangeRequestCapabilities)({
+ getResponseHeader,
+ isHttp: stream.isHttp,
+ rangeChunkSize: this._rangeChunkSize,
+ disableRange: this._disableRange
+ });
+ this._isRangeSupported = allowRangeRequests;
+ this._contentLength = suggestedLength || this._contentLength;
+ this._filename = (0, _network_utils.extractFilenameFromHeader)(getResponseHeader);
+ };
+
+ this._request = null;
+
+ if (this._url.protocol === "http:") {
+ this._request = http.request(createRequestOptions(this._url, stream.httpHeaders), handleResponse);
+ } else {
+ this._request = https.request(createRequestOptions(this._url, stream.httpHeaders), handleResponse);
+ }
+
+ this._request.on("error", reason => {
+ this._storedError = reason;
+
+ this._headersCapability.reject(reason);
+ });
+
+ this._request.end();
+ }
+
+}
+
+class PDFNodeStreamRangeReader extends BaseRangeReader {
+ constructor(stream, start, end) {
+ super(stream);
+ this._httpHeaders = {};
+
+ for (const property in stream.httpHeaders) {
+ const value = stream.httpHeaders[property];
+
+ if (typeof value === "undefined") {
+ continue;
+ }
+
+ this._httpHeaders[property] = value;
+ }
+
+ this._httpHeaders.Range = `bytes=${start}-${end - 1}`;
+
+ const handleResponse = response => {
+ if (response.statusCode === 404) {
+ const error = new _util.MissingPDFException(`Missing PDF "${this._url}".`);
+ this._storedError = error;
+ return;
+ }
+
+ this._setReadableStream(response);
+ };
+
+ this._request = null;
+
+ if (this._url.protocol === "http:") {
+ this._request = http.request(createRequestOptions(this._url, this._httpHeaders), handleResponse);
+ } else {
+ this._request = https.request(createRequestOptions(this._url, this._httpHeaders), handleResponse);
+ }
+
+ this._request.on("error", reason => {
+ this._storedError = reason;
+ });
+
+ this._request.end();
+ }
+
+}
+
+class PDFNodeStreamFsFullReader extends BaseFullReader {
+ constructor(stream) {
+ super(stream);
+ let path = decodeURIComponent(this._url.path);
+
+ if (fileUriRegex.test(this._url.href)) {
+ path = path.replace(/^\//, "");
+ }
+
+ fs.lstat(path, (error, stat) => {
+ if (error) {
+ if (error.code === "ENOENT") {
+ error = new _util.MissingPDFException(`Missing PDF "${path}".`);
+ }
+
+ this._storedError = error;
+
+ this._headersCapability.reject(error);
+
+ return;
+ }
+
+ this._contentLength = stat.size;
+
+ this._setReadableStream(fs.createReadStream(path));
+
+ this._headersCapability.resolve();
+ });
+ }
+
+}
+
+class PDFNodeStreamFsRangeReader extends BaseRangeReader {
+ constructor(stream, start, end) {
+ super(stream);
+ let path = decodeURIComponent(this._url.path);
+
+ if (fileUriRegex.test(this._url.href)) {
+ path = path.replace(/^\//, "");
+ }
+
+ this._setReadableStream(fs.createReadStream(path, {
+ start,
+ end: end - 1
+ }));
+ }
+
+}
+
+/***/ }),
+/* 33 */
+/***/ ((__unused_webpack_module, exports, __w_pdfjs_require__) => {
+
+
+
+Object.defineProperty(exports, "__esModule", ({
+ value: true
+}));
+exports.createResponseStatusError = createResponseStatusError;
+exports.extractFilenameFromHeader = extractFilenameFromHeader;
+exports.validateRangeRequestCapabilities = validateRangeRequestCapabilities;
+exports.validateResponseStatus = validateResponseStatus;
+
+var _util = __w_pdfjs_require__(1);
+
+var _content_disposition = __w_pdfjs_require__(34);
+
+var _display_utils = __w_pdfjs_require__(8);
+
+function validateRangeRequestCapabilities({
+ getResponseHeader,
+ isHttp,
+ rangeChunkSize,
+ disableRange
+}) {
+ const returnValues = {
+ allowRangeRequests: false,
+ suggestedLength: undefined
+ };
+ const length = parseInt(getResponseHeader("Content-Length"), 10);
+
+ if (!Number.isInteger(length)) {
+ return returnValues;
+ }
+
+ returnValues.suggestedLength = length;
+
+ if (length <= 2 * rangeChunkSize) {
+ return returnValues;
+ }
+
+ if (disableRange || !isHttp) {
+ return returnValues;
+ }
+
+ if (getResponseHeader("Accept-Ranges") !== "bytes") {
+ return returnValues;
+ }
+
+ const contentEncoding = getResponseHeader("Content-Encoding") || "identity";
+
+ if (contentEncoding !== "identity") {
+ return returnValues;
+ }
+
+ returnValues.allowRangeRequests = true;
+ return returnValues;
+}
+
+function extractFilenameFromHeader(getResponseHeader) {
+ const contentDisposition = getResponseHeader("Content-Disposition");
+
+ if (contentDisposition) {
+ let filename = (0, _content_disposition.getFilenameFromContentDispositionHeader)(contentDisposition);
+
+ if (filename.includes("%")) {
+ try {
+ filename = decodeURIComponent(filename);
+ } catch (ex) {}
+ }
+
+ if ((0, _display_utils.isPdfFile)(filename)) {
+ return filename;
+ }
+ }
+
+ return null;
+}
+
+function createResponseStatusError(status, url) {
+ if (status === 404 || status === 0 && url.startsWith("file:")) {
+ return new _util.MissingPDFException('Missing PDF "' + url + '".');
+ }
+
+ return new _util.UnexpectedResponseException(`Unexpected server response (${status}) while retrieving PDF "${url}".`, status);
+}
+
+function validateResponseStatus(status) {
+ return status === 200 || status === 206;
+}
+
+/***/ }),
+/* 34 */
+/***/ ((__unused_webpack_module, exports, __w_pdfjs_require__) => {
+
+
+
+Object.defineProperty(exports, "__esModule", ({
+ value: true
+}));
+exports.getFilenameFromContentDispositionHeader = getFilenameFromContentDispositionHeader;
+
+var _util = __w_pdfjs_require__(1);
+
+function getFilenameFromContentDispositionHeader(contentDisposition) {
+ let needsEncodingFixup = true;
+ let tmp = toParamRegExp("filename\\*", "i").exec(contentDisposition);
+
+ if (tmp) {
+ tmp = tmp[1];
+ let filename = rfc2616unquote(tmp);
+ filename = unescape(filename);
+ filename = rfc5987decode(filename);
+ filename = rfc2047decode(filename);
+ return fixupEncoding(filename);
+ }
+
+ tmp = rfc2231getparam(contentDisposition);
+
+ if (tmp) {
+ const filename = rfc2047decode(tmp);
+ return fixupEncoding(filename);
+ }
+
+ tmp = toParamRegExp("filename", "i").exec(contentDisposition);
+
+ if (tmp) {
+ tmp = tmp[1];
+ let filename = rfc2616unquote(tmp);
+ filename = rfc2047decode(filename);
+ return fixupEncoding(filename);
+ }
+
+ function toParamRegExp(attributePattern, flags) {
+ return new RegExp("(?:^|;)\\s*" + attributePattern + "\\s*=\\s*" + "(" + '[^";\\s][^;\\s]*' + "|" + '"(?:[^"\\\\]|\\\\"?)+"?' + ")", flags);
+ }
+
+ function textdecode(encoding, value) {
+ if (encoding) {
+ if (!/^[\x00-\xFF]+$/.test(value)) {
+ return value;
+ }
+
+ try {
+ const decoder = new TextDecoder(encoding, {
+ fatal: true
+ });
+ const buffer = (0, _util.stringToBytes)(value);
+ value = decoder.decode(buffer);
+ needsEncodingFixup = false;
+ } catch (e) {}
+ }
+
+ return value;
+ }
+
+ function fixupEncoding(value) {
+ if (needsEncodingFixup && /[\x80-\xff]/.test(value)) {
+ value = textdecode("utf-8", value);
+
+ if (needsEncodingFixup) {
+ value = textdecode("iso-8859-1", value);
+ }
+ }
+
+ return value;
+ }
+
+ function rfc2231getparam(contentDispositionStr) {
+ const matches = [];
+ let match;
+ const iter = toParamRegExp("filename\\*((?!0\\d)\\d+)(\\*?)", "ig");
+
+ while ((match = iter.exec(contentDispositionStr)) !== null) {
+ let [, n, quot, part] = match;
+ n = parseInt(n, 10);
+
+ if (n in matches) {
+ if (n === 0) {
+ break;
+ }
+
+ continue;
+ }
+
+ matches[n] = [quot, part];
+ }
+
+ const parts = [];
+
+ for (let n = 0; n < matches.length; ++n) {
+ if (!(n in matches)) {
+ break;
+ }
+
+ let [quot, part] = matches[n];
+ part = rfc2616unquote(part);
+
+ if (quot) {
+ part = unescape(part);
+
+ if (n === 0) {
+ part = rfc5987decode(part);
+ }
+ }
+
+ parts.push(part);
+ }
+
+ return parts.join("");
+ }
+
+ function rfc2616unquote(value) {
+ if (value.startsWith('"')) {
+ const parts = value.slice(1).split('\\"');
+
+ for (let i = 0; i < parts.length; ++i) {
+ const quotindex = parts[i].indexOf('"');
+
+ if (quotindex !== -1) {
+ parts[i] = parts[i].slice(0, quotindex);
+ parts.length = i + 1;
+ }
+
+ parts[i] = parts[i].replace(/\\(.)/g, "$1");
+ }
+
+ value = parts.join('"');
+ }
+
+ return value;
+ }
+
+ function rfc5987decode(extvalue) {
+ const encodingend = extvalue.indexOf("'");
+
+ if (encodingend === -1) {
+ return extvalue;
+ }
+
+ const encoding = extvalue.slice(0, encodingend);
+ const langvalue = extvalue.slice(encodingend + 1);
+ const value = langvalue.replace(/^[^']*'/, "");
+ return textdecode(encoding, value);
+ }
+
+ function rfc2047decode(value) {
+ if (!value.startsWith("=?") || /[\x00-\x19\x80-\xff]/.test(value)) {
+ return value;
+ }
+
+ return value.replace(/=\?([\w-]*)\?([QqBb])\?((?:[^?]|\?(?!=))*)\?=/g, function (matches, charset, encoding, text) {
+ if (encoding === "q" || encoding === "Q") {
+ text = text.replace(/_/g, " ");
+ text = text.replace(/=([0-9a-fA-F]{2})/g, function (match, hex) {
+ return String.fromCharCode(parseInt(hex, 16));
+ });
+ return textdecode(charset, text);
+ }
+
+ try {
+ text = atob(text);
+ } catch (e) {}
+
+ return textdecode(charset, text);
+ });
+ }
+
+ return "";
+}
+
+/***/ }),
+/* 35 */
+/***/ ((__unused_webpack_module, exports, __w_pdfjs_require__) => {
+
+
+
+Object.defineProperty(exports, "__esModule", ({
+ value: true
+}));
+exports.PDFNetworkStream = void 0;
+
+var _util = __w_pdfjs_require__(1);
+
+var _network_utils = __w_pdfjs_require__(33);
+
+;
+const OK_RESPONSE = 200;
+const PARTIAL_CONTENT_RESPONSE = 206;
+
+function getArrayBuffer(xhr) {
+ const data = xhr.response;
+
+ if (typeof data !== "string") {
+ return data;
+ }
+
+ const array = (0, _util.stringToBytes)(data);
+ return array.buffer;
+}
+
+class NetworkManager {
+ constructor(url, args = {}) {
+ this.url = url;
+ this.isHttp = /^https?:/i.test(url);
+ this.httpHeaders = this.isHttp && args.httpHeaders || Object.create(null);
+ this.withCredentials = args.withCredentials || false;
+
+ this.getXhr = args.getXhr || function NetworkManager_getXhr() {
+ return new XMLHttpRequest();
+ };
+
+ this.currXhrId = 0;
+ this.pendingRequests = Object.create(null);
+ }
+
+ requestRange(begin, end, listeners) {
+ const args = {
+ begin,
+ end
+ };
+
+ for (const prop in listeners) {
+ args[prop] = listeners[prop];
+ }
+
+ return this.request(args);
+ }
+
+ requestFull(listeners) {
+ return this.request(listeners);
+ }
+
+ request(args) {
+ const xhr = this.getXhr();
+ const xhrId = this.currXhrId++;
+ const pendingRequest = this.pendingRequests[xhrId] = {
+ xhr
+ };
+ xhr.open("GET", this.url);
+ xhr.withCredentials = this.withCredentials;
+
+ for (const property in this.httpHeaders) {
+ const value = this.httpHeaders[property];
+
+ if (typeof value === "undefined") {
+ continue;
+ }
+
+ xhr.setRequestHeader(property, value);
+ }
+
+ if (this.isHttp && "begin" in args && "end" in args) {
+ xhr.setRequestHeader("Range", `bytes=${args.begin}-${args.end - 1}`);
+ pendingRequest.expectedStatus = PARTIAL_CONTENT_RESPONSE;
+ } else {
+ pendingRequest.expectedStatus = OK_RESPONSE;
+ }
+
+ xhr.responseType = "arraybuffer";
+
+ if (args.onError) {
+ xhr.onerror = function (evt) {
+ args.onError(xhr.status);
+ };
+ }
+
+ xhr.onreadystatechange = this.onStateChange.bind(this, xhrId);
+ xhr.onprogress = this.onProgress.bind(this, xhrId);
+ pendingRequest.onHeadersReceived = args.onHeadersReceived;
+ pendingRequest.onDone = args.onDone;
+ pendingRequest.onError = args.onError;
+ pendingRequest.onProgress = args.onProgress;
+ xhr.send(null);
+ return xhrId;
+ }
+
+ onProgress(xhrId, evt) {
+ const pendingRequest = this.pendingRequests[xhrId];
+
+ if (!pendingRequest) {
+ return;
+ }
+
+ pendingRequest.onProgress?.(evt);
+ }
+
+ onStateChange(xhrId, evt) {
+ const pendingRequest = this.pendingRequests[xhrId];
+
+ if (!pendingRequest) {
+ return;
+ }
+
+ const xhr = pendingRequest.xhr;
+
+ if (xhr.readyState >= 2 && pendingRequest.onHeadersReceived) {
+ pendingRequest.onHeadersReceived();
+ delete pendingRequest.onHeadersReceived;
+ }
+
+ if (xhr.readyState !== 4) {
+ return;
+ }
+
+ if (!(xhrId in this.pendingRequests)) {
+ return;
+ }
+
+ delete this.pendingRequests[xhrId];
+
+ if (xhr.status === 0 && this.isHttp) {
+ pendingRequest.onError?.(xhr.status);
+ return;
+ }
+
+ const xhrStatus = xhr.status || OK_RESPONSE;
+ const ok_response_on_range_request = xhrStatus === OK_RESPONSE && pendingRequest.expectedStatus === PARTIAL_CONTENT_RESPONSE;
+
+ if (!ok_response_on_range_request && xhrStatus !== pendingRequest.expectedStatus) {
+ pendingRequest.onError?.(xhr.status);
+ return;
+ }
+
+ const chunk = getArrayBuffer(xhr);
+
+ if (xhrStatus === PARTIAL_CONTENT_RESPONSE) {
+ const rangeHeader = xhr.getResponseHeader("Content-Range");
+ const matches = /bytes (\d+)-(\d+)\/(\d+)/.exec(rangeHeader);
+ pendingRequest.onDone({
+ begin: parseInt(matches[1], 10),
+ chunk
+ });
+ } else if (chunk) {
+ pendingRequest.onDone({
+ begin: 0,
+ chunk
+ });
+ } else {
+ pendingRequest.onError?.(xhr.status);
+ }
+ }
+
+ getRequestXhr(xhrId) {
+ return this.pendingRequests[xhrId].xhr;
+ }
+
+ isPendingRequest(xhrId) {
+ return xhrId in this.pendingRequests;
+ }
+
+ abortRequest(xhrId) {
+ const xhr = this.pendingRequests[xhrId].xhr;
+ delete this.pendingRequests[xhrId];
+ xhr.abort();
+ }
+
+}
+
+class PDFNetworkStream {
+ constructor(source) {
+ this._source = source;
+ this._manager = new NetworkManager(source.url, {
+ httpHeaders: source.httpHeaders,
+ withCredentials: source.withCredentials
+ });
+ this._rangeChunkSize = source.rangeChunkSize;
+ this._fullRequestReader = null;
+ this._rangeRequestReaders = [];
+ }
+
+ _onRangeRequestReaderClosed(reader) {
+ const i = this._rangeRequestReaders.indexOf(reader);
+
+ if (i >= 0) {
+ this._rangeRequestReaders.splice(i, 1);
+ }
+ }
+
+ getFullReader() {
+ (0, _util.assert)(!this._fullRequestReader, "PDFNetworkStream.getFullReader can only be called once.");
+ this._fullRequestReader = new PDFNetworkStreamFullRequestReader(this._manager, this._source);
+ return this._fullRequestReader;
+ }
+
+ getRangeReader(begin, end) {
+ const reader = new PDFNetworkStreamRangeRequestReader(this._manager, begin, end);
+ reader.onClosed = this._onRangeRequestReaderClosed.bind(this);
+
+ this._rangeRequestReaders.push(reader);
+
+ return reader;
+ }
+
+ cancelAllRequests(reason) {
+ this._fullRequestReader?.cancel(reason);
+
+ for (const reader of this._rangeRequestReaders.slice(0)) {
+ reader.cancel(reason);
+ }
+ }
+
+}
+
+exports.PDFNetworkStream = PDFNetworkStream;
+
+class PDFNetworkStreamFullRequestReader {
+ constructor(manager, source) {
+ this._manager = manager;
+ const args = {
+ onHeadersReceived: this._onHeadersReceived.bind(this),
+ onDone: this._onDone.bind(this),
+ onError: this._onError.bind(this),
+ onProgress: this._onProgress.bind(this)
+ };
+ this._url = source.url;
+ this._fullRequestId = manager.requestFull(args);
+ this._headersReceivedCapability = (0, _util.createPromiseCapability)();
+ this._disableRange = source.disableRange || false;
+ this._contentLength = source.length;
+ this._rangeChunkSize = source.rangeChunkSize;
+
+ if (!this._rangeChunkSize && !this._disableRange) {
+ this._disableRange = true;
+ }
+
+ this._isStreamingSupported = false;
+ this._isRangeSupported = false;
+ this._cachedChunks = [];
+ this._requests = [];
+ this._done = false;
+ this._storedError = undefined;
+ this._filename = null;
+ this.onProgress = null;
+ }
+
+ _onHeadersReceived() {
+ const fullRequestXhrId = this._fullRequestId;
+
+ const fullRequestXhr = this._manager.getRequestXhr(fullRequestXhrId);
+
+ const getResponseHeader = name => {
+ return fullRequestXhr.getResponseHeader(name);
+ };
+
+ const {
+ allowRangeRequests,
+ suggestedLength
+ } = (0, _network_utils.validateRangeRequestCapabilities)({
+ getResponseHeader,
+ isHttp: this._manager.isHttp,
+ rangeChunkSize: this._rangeChunkSize,
+ disableRange: this._disableRange
+ });
+
+ if (allowRangeRequests) {
+ this._isRangeSupported = true;
+ }
+
+ this._contentLength = suggestedLength || this._contentLength;
+ this._filename = (0, _network_utils.extractFilenameFromHeader)(getResponseHeader);
+
+ if (this._isRangeSupported) {
+ this._manager.abortRequest(fullRequestXhrId);
+ }
+
+ this._headersReceivedCapability.resolve();
+ }
+
+ _onDone(data) {
+ if (data) {
+ if (this._requests.length > 0) {
+ const requestCapability = this._requests.shift();
+
+ requestCapability.resolve({
+ value: data.chunk,
+ done: false
+ });
+ } else {
+ this._cachedChunks.push(data.chunk);
+ }
+ }
+
+ this._done = true;
+
+ if (this._cachedChunks.length > 0) {
+ return;
+ }
+
+ for (const requestCapability of this._requests) {
+ requestCapability.resolve({
+ value: undefined,
+ done: true
+ });
+ }
+
+ this._requests.length = 0;
+ }
+
+ _onError(status) {
+ this._storedError = (0, _network_utils.createResponseStatusError)(status, this._url);
+
+ this._headersReceivedCapability.reject(this._storedError);
+
+ for (const requestCapability of this._requests) {
+ requestCapability.reject(this._storedError);
+ }
+
+ this._requests.length = 0;
+ this._cachedChunks.length = 0;
+ }
+
+ _onProgress(evt) {
+ this.onProgress?.({
+ loaded: evt.loaded,
+ total: evt.lengthComputable ? evt.total : this._contentLength
+ });
+ }
+
+ get filename() {
+ return this._filename;
+ }
+
+ get isRangeSupported() {
+ return this._isRangeSupported;
+ }
+
+ get isStreamingSupported() {
+ return this._isStreamingSupported;
+ }
+
+ get contentLength() {
+ return this._contentLength;
+ }
+
+ get headersReady() {
+ return this._headersReceivedCapability.promise;
+ }
+
+ async read() {
+ if (this._storedError) {
+ throw this._storedError;
+ }
+
+ if (this._cachedChunks.length > 0) {
+ const chunk = this._cachedChunks.shift();
+
+ return {
+ value: chunk,
+ done: false
+ };
+ }
+
+ if (this._done) {
+ return {
+ value: undefined,
+ done: true
+ };
+ }
+
+ const requestCapability = (0, _util.createPromiseCapability)();
+
+ this._requests.push(requestCapability);
+
+ return requestCapability.promise;
+ }
+
+ cancel(reason) {
+ this._done = true;
+
+ this._headersReceivedCapability.reject(reason);
+
+ for (const requestCapability of this._requests) {
+ requestCapability.resolve({
+ value: undefined,
+ done: true
+ });
+ }
+
+ this._requests.length = 0;
+
+ if (this._manager.isPendingRequest(this._fullRequestId)) {
+ this._manager.abortRequest(this._fullRequestId);
+ }
+
+ this._fullRequestReader = null;
+ }
+
+}
+
+class PDFNetworkStreamRangeRequestReader {
+ constructor(manager, begin, end) {
+ this._manager = manager;
+ const args = {
+ onDone: this._onDone.bind(this),
+ onError: this._onError.bind(this),
+ onProgress: this._onProgress.bind(this)
+ };
+ this._url = manager.url;
+ this._requestId = manager.requestRange(begin, end, args);
+ this._requests = [];
+ this._queuedChunk = null;
+ this._done = false;
+ this._storedError = undefined;
+ this.onProgress = null;
+ this.onClosed = null;
+ }
+
+ _close() {
+ this.onClosed?.(this);
+ }
+
+ _onDone(data) {
+ const chunk = data.chunk;
+
+ if (this._requests.length > 0) {
+ const requestCapability = this._requests.shift();
+
+ requestCapability.resolve({
+ value: chunk,
+ done: false
+ });
+ } else {
+ this._queuedChunk = chunk;
+ }
+
+ this._done = true;
+
+ for (const requestCapability of this._requests) {
+ requestCapability.resolve({
+ value: undefined,
+ done: true
+ });
+ }
+
+ this._requests.length = 0;
+
+ this._close();
+ }
+
+ _onError(status) {
+ this._storedError = (0, _network_utils.createResponseStatusError)(status, this._url);
+
+ for (const requestCapability of this._requests) {
+ requestCapability.reject(this._storedError);
+ }
+
+ this._requests.length = 0;
+ this._queuedChunk = null;
+ }
+
+ _onProgress(evt) {
+ if (!this.isStreamingSupported) {
+ this.onProgress?.({
+ loaded: evt.loaded
+ });
+ }
+ }
+
+ get isStreamingSupported() {
+ return false;
+ }
+
+ async read() {
+ if (this._storedError) {
+ throw this._storedError;
+ }
+
+ if (this._queuedChunk !== null) {
+ const chunk = this._queuedChunk;
+ this._queuedChunk = null;
+ return {
+ value: chunk,
+ done: false
+ };
+ }
+
+ if (this._done) {
+ return {
+ value: undefined,
+ done: true
+ };
+ }
+
+ const requestCapability = (0, _util.createPromiseCapability)();
+
+ this._requests.push(requestCapability);
+
+ return requestCapability.promise;
+ }
+
+ cancel(reason) {
+ this._done = true;
+
+ for (const requestCapability of this._requests) {
+ requestCapability.resolve({
+ value: undefined,
+ done: true
+ });
+ }
+
+ this._requests.length = 0;
+
+ if (this._manager.isPendingRequest(this._requestId)) {
+ this._manager.abortRequest(this._requestId);
+ }
+
+ this._close();
+ }
+
+}
+
+/***/ }),
+/* 36 */
+/***/ ((__unused_webpack_module, exports, __w_pdfjs_require__) => {
+
+
+
+Object.defineProperty(exports, "__esModule", ({
+ value: true
+}));
+exports.PDFFetchStream = void 0;
+
+var _util = __w_pdfjs_require__(1);
+
+var _network_utils = __w_pdfjs_require__(33);
+
+;
+
+function createFetchOptions(headers, withCredentials, abortController) {
+ return {
+ method: "GET",
+ headers,
+ signal: abortController.signal,
+ mode: "cors",
+ credentials: withCredentials ? "include" : "same-origin",
+ redirect: "follow"
+ };
+}
+
+function createHeaders(httpHeaders) {
+ const headers = new Headers();
+
+ for (const property in httpHeaders) {
+ const value = httpHeaders[property];
+
+ if (typeof value === "undefined") {
+ continue;
+ }
+
+ headers.append(property, value);
+ }
+
+ return headers;
+}
+
+class PDFFetchStream {
+ constructor(source) {
+ this.source = source;
+ this.isHttp = /^https?:/i.test(source.url);
+ this.httpHeaders = this.isHttp && source.httpHeaders || {};
+ this._fullRequestReader = null;
+ this._rangeRequestReaders = [];
+ }
+
+ get _progressiveDataLength() {
+ return this._fullRequestReader?._loaded ?? 0;
+ }
+
+ getFullReader() {
+ (0, _util.assert)(!this._fullRequestReader, "PDFFetchStream.getFullReader can only be called once.");
+ this._fullRequestReader = new PDFFetchStreamReader(this);
+ return this._fullRequestReader;
+ }
+
+ getRangeReader(begin, end) {
+ if (end <= this._progressiveDataLength) {
+ return null;
+ }
+
+ const reader = new PDFFetchStreamRangeReader(this, begin, end);
+
+ this._rangeRequestReaders.push(reader);
+
+ return reader;
+ }
+
+ cancelAllRequests(reason) {
+ if (this._fullRequestReader) {
+ this._fullRequestReader.cancel(reason);
+ }
+
+ for (const reader of this._rangeRequestReaders.slice(0)) {
+ reader.cancel(reason);
+ }
+ }
+
+}
+
+exports.PDFFetchStream = PDFFetchStream;
+
+class PDFFetchStreamReader {
+ constructor(stream) {
+ this._stream = stream;
+ this._reader = null;
+ this._loaded = 0;
+ this._filename = null;
+ const source = stream.source;
+ this._withCredentials = source.withCredentials || false;
+ this._contentLength = source.length;
+ this._headersCapability = (0, _util.createPromiseCapability)();
+ this._disableRange = source.disableRange || false;
+ this._rangeChunkSize = source.rangeChunkSize;
+
+ if (!this._rangeChunkSize && !this._disableRange) {
+ this._disableRange = true;
+ }
+
+ this._abortController = new AbortController();
+ this._isStreamingSupported = !source.disableStream;
+ this._isRangeSupported = !source.disableRange;
+ this._headers = createHeaders(this._stream.httpHeaders);
+ const url = source.url;
+ fetch(url, createFetchOptions(this._headers, this._withCredentials, this._abortController)).then(response => {
+ if (!(0, _network_utils.validateResponseStatus)(response.status)) {
+ throw (0, _network_utils.createResponseStatusError)(response.status, url);
+ }
+
+ this._reader = response.body.getReader();
+
+ this._headersCapability.resolve();
+
+ const getResponseHeader = name => {
+ return response.headers.get(name);
+ };
+
+ const {
+ allowRangeRequests,
+ suggestedLength
+ } = (0, _network_utils.validateRangeRequestCapabilities)({
+ getResponseHeader,
+ isHttp: this._stream.isHttp,
+ rangeChunkSize: this._rangeChunkSize,
+ disableRange: this._disableRange
+ });
+ this._isRangeSupported = allowRangeRequests;
+ this._contentLength = suggestedLength || this._contentLength;
+ this._filename = (0, _network_utils.extractFilenameFromHeader)(getResponseHeader);
+
+ if (!this._isStreamingSupported && this._isRangeSupported) {
+ this.cancel(new _util.AbortException("Streaming is disabled."));
+ }
+ }).catch(this._headersCapability.reject);
+ this.onProgress = null;
+ }
+
+ get headersReady() {
+ return this._headersCapability.promise;
+ }
+
+ get filename() {
+ return this._filename;
+ }
+
+ get contentLength() {
+ return this._contentLength;
+ }
+
+ get isRangeSupported() {
+ return this._isRangeSupported;
+ }
+
+ get isStreamingSupported() {
+ return this._isStreamingSupported;
+ }
+
+ async read() {
+ await this._headersCapability.promise;
+ const {
+ value,
+ done
+ } = await this._reader.read();
+
+ if (done) {
+ return {
+ value,
+ done
+ };
+ }
+
+ this._loaded += value.byteLength;
+
+ if (this.onProgress) {
+ this.onProgress({
+ loaded: this._loaded,
+ total: this._contentLength
+ });
+ }
+
+ const buffer = new Uint8Array(value).buffer;
+ return {
+ value: buffer,
+ done: false
+ };
+ }
+
+ cancel(reason) {
+ if (this._reader) {
+ this._reader.cancel(reason);
+ }
+
+ this._abortController.abort();
+ }
+
+}
+
+class PDFFetchStreamRangeReader {
+ constructor(stream, begin, end) {
+ this._stream = stream;
+ this._reader = null;
+ this._loaded = 0;
+ const source = stream.source;
+ this._withCredentials = source.withCredentials || false;
+ this._readCapability = (0, _util.createPromiseCapability)();
+ this._isStreamingSupported = !source.disableStream;
+ this._abortController = new AbortController();
+ this._headers = createHeaders(this._stream.httpHeaders);
+
+ this._headers.append("Range", `bytes=${begin}-${end - 1}`);
+
+ const url = source.url;
+ fetch(url, createFetchOptions(this._headers, this._withCredentials, this._abortController)).then(response => {
+ if (!(0, _network_utils.validateResponseStatus)(response.status)) {
+ throw (0, _network_utils.createResponseStatusError)(response.status, url);
+ }
+
+ this._readCapability.resolve();
+
+ this._reader = response.body.getReader();
+ }).catch(this._readCapability.reject);
+ this.onProgress = null;
+ }
+
+ get isStreamingSupported() {
+ return this._isStreamingSupported;
+ }
+
+ async read() {
+ await this._readCapability.promise;
+ const {
+ value,
+ done
+ } = await this._reader.read();
+
+ if (done) {
+ return {
+ value,
+ done
+ };
+ }
+
+ this._loaded += value.byteLength;
+
+ if (this.onProgress) {
+ this.onProgress({
+ loaded: this._loaded
+ });
+ }
+
+ const buffer = new Uint8Array(value).buffer;
+ return {
+ value: buffer,
+ done: false
+ };
+ }
+
+ cancel(reason) {
+ if (this._reader) {
+ this._reader.cancel(reason);
+ }
+
+ this._abortController.abort();
+ }
+
}
/***/ })
-/******/ ]);
+/******/ ]);
+/************************************************************************/
+/******/ // The module cache
+/******/ var __webpack_module_cache__ = {};
+/******/
+/******/ // The require function
+/******/ function __w_pdfjs_require__(moduleId) {
+/******/ // Check if module is in cache
+/******/ var cachedModule = __webpack_module_cache__[moduleId];
+/******/ if (cachedModule !== undefined) {
+/******/ return cachedModule.exports;
+/******/ }
+/******/ // Create a new module (and put it into the cache)
+/******/ var module = __webpack_module_cache__[moduleId] = {
+/******/ // no module.id needed
+/******/ // no module.loaded needed
+/******/ exports: {}
+/******/ };
+/******/
+/******/ // Execute the module function
+/******/ __webpack_modules__[moduleId](module, module.exports, __w_pdfjs_require__);
+/******/
+/******/ // Return the exports of the module
+/******/ return module.exports;
+/******/ }
+/******/
+/************************************************************************/
+var __webpack_exports__ = {};
+// This entry need to be wrapped in an IIFE because it need to be isolated against other modules in the chunk.
+(() => {
+var exports = __webpack_exports__;
+
+
+Object.defineProperty(exports, "__esModule", ({
+ value: true
+}));
+Object.defineProperty(exports, "AnnotationEditorLayer", ({
+ enumerable: true,
+ get: function () {
+ return _annotation_editor_layer.AnnotationEditorLayer;
+ }
+}));
+Object.defineProperty(exports, "AnnotationEditorParamsType", ({
+ enumerable: true,
+ get: function () {
+ return _util.AnnotationEditorParamsType;
+ }
+}));
+Object.defineProperty(exports, "AnnotationEditorType", ({
+ enumerable: true,
+ get: function () {
+ return _util.AnnotationEditorType;
+ }
+}));
+Object.defineProperty(exports, "AnnotationEditorUIManager", ({
+ enumerable: true,
+ get: function () {
+ return _tools.AnnotationEditorUIManager;
+ }
+}));
+Object.defineProperty(exports, "AnnotationLayer", ({
+ enumerable: true,
+ get: function () {
+ return _annotation_layer.AnnotationLayer;
+ }
+}));
+Object.defineProperty(exports, "AnnotationMode", ({
+ enumerable: true,
+ get: function () {
+ return _util.AnnotationMode;
+ }
+}));
+Object.defineProperty(exports, "CMapCompressionType", ({
+ enumerable: true,
+ get: function () {
+ return _util.CMapCompressionType;
+ }
+}));
+Object.defineProperty(exports, "GlobalWorkerOptions", ({
+ enumerable: true,
+ get: function () {
+ return _worker_options.GlobalWorkerOptions;
+ }
+}));
+Object.defineProperty(exports, "InvalidPDFException", ({
+ enumerable: true,
+ get: function () {
+ return _util.InvalidPDFException;
+ }
+}));
+Object.defineProperty(exports, "LoopbackPort", ({
+ enumerable: true,
+ get: function () {
+ return _api.LoopbackPort;
+ }
+}));
+Object.defineProperty(exports, "MissingPDFException", ({
+ enumerable: true,
+ get: function () {
+ return _util.MissingPDFException;
+ }
+}));
+Object.defineProperty(exports, "OPS", ({
+ enumerable: true,
+ get: function () {
+ return _util.OPS;
+ }
+}));
+Object.defineProperty(exports, "PDFDataRangeTransport", ({
+ enumerable: true,
+ get: function () {
+ return _api.PDFDataRangeTransport;
+ }
+}));
+Object.defineProperty(exports, "PDFDateString", ({
+ enumerable: true,
+ get: function () {
+ return _display_utils.PDFDateString;
+ }
+}));
+Object.defineProperty(exports, "PDFWorker", ({
+ enumerable: true,
+ get: function () {
+ return _api.PDFWorker;
+ }
+}));
+Object.defineProperty(exports, "PasswordResponses", ({
+ enumerable: true,
+ get: function () {
+ return _util.PasswordResponses;
+ }
+}));
+Object.defineProperty(exports, "PermissionFlag", ({
+ enumerable: true,
+ get: function () {
+ return _util.PermissionFlag;
+ }
+}));
+Object.defineProperty(exports, "PixelsPerInch", ({
+ enumerable: true,
+ get: function () {
+ return _display_utils.PixelsPerInch;
+ }
+}));
+Object.defineProperty(exports, "RenderingCancelledException", ({
+ enumerable: true,
+ get: function () {
+ return _display_utils.RenderingCancelledException;
+ }
+}));
+Object.defineProperty(exports, "SVGGraphics", ({
+ enumerable: true,
+ get: function () {
+ return _svg.SVGGraphics;
+ }
+}));
+Object.defineProperty(exports, "UNSUPPORTED_FEATURES", ({
+ enumerable: true,
+ get: function () {
+ return _util.UNSUPPORTED_FEATURES;
+ }
+}));
+Object.defineProperty(exports, "UnexpectedResponseException", ({
+ enumerable: true,
+ get: function () {
+ return _util.UnexpectedResponseException;
+ }
+}));
+Object.defineProperty(exports, "Util", ({
+ enumerable: true,
+ get: function () {
+ return _util.Util;
+ }
+}));
+Object.defineProperty(exports, "VerbosityLevel", ({
+ enumerable: true,
+ get: function () {
+ return _util.VerbosityLevel;
+ }
+}));
+Object.defineProperty(exports, "XfaLayer", ({
+ enumerable: true,
+ get: function () {
+ return _xfa_layer.XfaLayer;
+ }
+}));
+Object.defineProperty(exports, "build", ({
+ enumerable: true,
+ get: function () {
+ return _api.build;
+ }
+}));
+Object.defineProperty(exports, "createPromiseCapability", ({
+ enumerable: true,
+ get: function () {
+ return _util.createPromiseCapability;
+ }
+}));
+Object.defineProperty(exports, "createValidAbsoluteUrl", ({
+ enumerable: true,
+ get: function () {
+ return _util.createValidAbsoluteUrl;
+ }
+}));
+Object.defineProperty(exports, "getDocument", ({
+ enumerable: true,
+ get: function () {
+ return _api.getDocument;
+ }
+}));
+Object.defineProperty(exports, "getFilenameFromUrl", ({
+ enumerable: true,
+ get: function () {
+ return _display_utils.getFilenameFromUrl;
+ }
+}));
+Object.defineProperty(exports, "getPdfFilenameFromUrl", ({
+ enumerable: true,
+ get: function () {
+ return _display_utils.getPdfFilenameFromUrl;
+ }
+}));
+Object.defineProperty(exports, "getXfaPageViewport", ({
+ enumerable: true,
+ get: function () {
+ return _display_utils.getXfaPageViewport;
+ }
+}));
+Object.defineProperty(exports, "isPdfFile", ({
+ enumerable: true,
+ get: function () {
+ return _display_utils.isPdfFile;
+ }
+}));
+Object.defineProperty(exports, "loadScript", ({
+ enumerable: true,
+ get: function () {
+ return _display_utils.loadScript;
+ }
+}));
+Object.defineProperty(exports, "renderTextLayer", ({
+ enumerable: true,
+ get: function () {
+ return _text_layer.renderTextLayer;
+ }
+}));
+Object.defineProperty(exports, "shadow", ({
+ enumerable: true,
+ get: function () {
+ return _util.shadow;
+ }
+}));
+Object.defineProperty(exports, "version", ({
+ enumerable: true,
+ get: function () {
+ return _api.version;
+ }
+}));
+
+var _util = __w_pdfjs_require__(1);
+
+var _api = __w_pdfjs_require__(4);
+
+var _display_utils = __w_pdfjs_require__(8);
+
+var _annotation_editor_layer = __w_pdfjs_require__(22);
+
+var _tools = __w_pdfjs_require__(7);
+
+var _annotation_layer = __w_pdfjs_require__(27);
+
+var _worker_options = __w_pdfjs_require__(15);
+
+var _is_node = __w_pdfjs_require__(3);
+
+var _text_layer = __w_pdfjs_require__(30);
+
+var _svg = __w_pdfjs_require__(31);
+
+var _xfa_layer = __w_pdfjs_require__(29);
+
+const pdfjsVersion = '2.16.105';
+const pdfjsBuild = '172ccdbe5';
+{
+ if (_is_node.isNodeJS) {
+ const {
+ PDFNodeStream
+ } = __w_pdfjs_require__(32);
+
+ (0, _api.setPDFNetworkStreamFactory)(params => {
+ return new PDFNodeStream(params);
+ });
+ } else {
+ const {
+ PDFNetworkStream
+ } = __w_pdfjs_require__(35);
+
+ const {
+ PDFFetchStream
+ } = __w_pdfjs_require__(36);
+
+ (0, _api.setPDFNetworkStreamFactory)(params => {
+ if ((0, _display_utils.isValidFetchUrl)(params.url)) {
+ return new PDFFetchStream(params);
+ }
+
+ return new PDFNetworkStream(params);
+ });
+ }
+}
+})();
+
+/******/ return __webpack_exports__;
+/******/ })()
+;
});
-//# sourceMappingURL=pdf.js.map
+//# sourceMappingURL=pdf.js.map
\ No newline at end of file
diff --git a/jero-web/public/pdf/build/pdf.js.map b/jero-web/public/pdf/build/pdf.js.map
index d50a381b4..8b64ceb77 100644
--- a/jero-web/public/pdf/build/pdf.js.map
+++ b/jero-web/public/pdf/build/pdf.js.map
@@ -1 +1 @@
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0x0100000,\n MULTISELECT: 0x0200000,\n DONOTSPELLCHECK: 0x0400000,\n DONOTSCROLL: 0x0800000,\n COMB: 0x1000000,\n RICHTEXT: 0x2000000,\n RADIOSINUNISON: 0x2000000,\n COMMITONSELCHANGE: 0x4000000,\n};\n\nvar AnnotationBorderStyleType = {\n SOLID: 1,\n DASHED: 2,\n BEVELED: 3,\n INSET: 4,\n UNDERLINE: 5,\n};\n\nvar StreamType = {\n UNKNOWN: 0,\n FLATE: 1,\n LZW: 2,\n DCT: 3,\n JPX: 4,\n JBIG: 5,\n A85: 6,\n AHX: 7,\n CCF: 8,\n RL: 9,\n};\n\nvar FontType = {\n UNKNOWN: 0,\n TYPE1: 1,\n TYPE1C: 2,\n CIDFONTTYPE0: 3,\n CIDFONTTYPE0C: 4,\n TRUETYPE: 5,\n CIDFONTTYPE2: 6,\n TYPE3: 7,\n OPENTYPE: 8,\n TYPE0: 9,\n MMTYPE1: 10,\n};\n\nvar VERBOSITY_LEVELS = {\n errors: 0,\n warnings: 1,\n infos: 5,\n};\n\nvar CMapCompressionType = {\n NONE: 0,\n BINARY: 1,\n STREAM: 2,\n};\n\n// All the possible operations for an operator list.\nvar OPS = {\n // Intentionally start from 1 so it is easy to spot bad operators that will be\n // 0's.\n dependency: 1,\n setLineWidth: 2,\n setLineCap: 3,\n setLineJoin: 4,\n setMiterLimit: 5,\n setDash: 6,\n setRenderingIntent: 7,\n setFlatness: 8,\n setGState: 9,\n save: 10,\n restore: 11,\n transform: 12,\n moveTo: 13,\n lineTo: 14,\n curveTo: 15,\n curveTo2: 16,\n curveTo3: 17,\n closePath: 18,\n rectangle: 19,\n stroke: 20,\n closeStroke: 21,\n fill: 22,\n eoFill: 23,\n fillStroke: 24,\n eoFillStroke: 25,\n closeFillStroke: 26,\n closeEOFillStroke: 27,\n endPath: 28,\n clip: 29,\n eoClip: 30,\n beginText: 31,\n endText: 32,\n setCharSpacing: 33,\n setWordSpacing: 34,\n setHScale: 35,\n setLeading: 36,\n setFont: 37,\n setTextRenderingMode: 38,\n setTextRise: 39,\n moveText: 40,\n setLeadingMoveText: 41,\n setTextMatrix: 42,\n nextLine: 43,\n showText: 44,\n showSpacedText: 45,\n nextLineShowText: 46,\n nextLineSetSpacingShowText: 47,\n setCharWidth: 48,\n setCharWidthAndBounds: 49,\n setStrokeColorSpace: 50,\n setFillColorSpace: 51,\n setStrokeColor: 52,\n setStrokeColorN: 53,\n setFillColor: 54,\n setFillColorN: 55,\n setStrokeGray: 56,\n setFillGray: 57,\n setStrokeRGBColor: 58,\n setFillRGBColor: 59,\n setStrokeCMYKColor: 60,\n setFillCMYKColor: 61,\n shadingFill: 62,\n beginInlineImage: 63,\n beginImageData: 64,\n endInlineImage: 65,\n paintXObject: 66,\n markPoint: 67,\n markPointProps: 68,\n beginMarkedContent: 69,\n beginMarkedContentProps: 70,\n endMarkedContent: 71,\n beginCompat: 72,\n endCompat: 73,\n paintFormXObjectBegin: 74,\n paintFormXObjectEnd: 75,\n beginGroup: 76,\n endGroup: 77,\n beginAnnotations: 78,\n endAnnotations: 79,\n beginAnnotation: 80,\n endAnnotation: 81,\n paintJpegXObject: 82,\n paintImageMaskXObject: 83,\n paintImageMaskXObjectGroup: 84,\n paintImageXObject: 85,\n paintInlineImageXObject: 86,\n paintInlineImageXObjectGroup: 87,\n paintImageXObjectRepeat: 88,\n paintImageMaskXObjectRepeat: 89,\n paintSolidColorImageMask: 90,\n constructPath: 91,\n};\n\nvar verbosity = VERBOSITY_LEVELS.warnings;\n\nfunction setVerbosityLevel(level) {\n verbosity = level;\n}\n\nfunction getVerbosityLevel() {\n return verbosity;\n}\n\n// A notice for devs. These are good for things that are helpful to devs, such\n// as warning that Workers were disabled, which is important to devs but not\n// end users.\nfunction info(msg) {\n if (verbosity >= VERBOSITY_LEVELS.infos) {\n console.log('Info: ' + msg);\n }\n}\n\n// Non-fatal warnings.\nfunction warn(msg) {\n if (verbosity >= VERBOSITY_LEVELS.warnings) {\n console.log('Warning: ' + msg);\n }\n}\n\n// Deprecated API function -- display regardless of the PDFJS.verbosity setting.\nfunction deprecated(details) {\n console.log('Deprecated API usage: ' + details);\n}\n\nfunction unreachable(msg) {\n throw new Error(msg);\n}\n\nfunction assert(cond, msg) {\n if (!cond) {\n unreachable(msg);\n }\n}\n\nvar UNSUPPORTED_FEATURES = {\n unknown: 'unknown',\n forms: 'forms',\n javaScript: 'javaScript',\n smask: 'smask',\n shadingPattern: 'shadingPattern',\n font: 'font',\n};\n\n// Checks if URLs have the same origin. For non-HTTP based URLs, returns false.\nfunction isSameOrigin(baseUrl, otherUrl) {\n try {\n var base = new URL(baseUrl);\n if (!base.origin || base.origin === 'null') {\n return false; // non-HTTP url\n }\n } catch (e) {\n return false;\n }\n\n var other = new URL(otherUrl, base);\n return base.origin === other.origin;\n}\n\n// Checks if URLs use one of the whitelisted protocols, e.g. to avoid XSS.\nfunction isValidProtocol(url) {\n if (!url) {\n return false;\n }\n switch (url.protocol) {\n case 'http:':\n case 'https:':\n case 'ftp:':\n case 'mailto:':\n case 'tel:':\n return true;\n default:\n return false;\n }\n}\n\n/**\n * Attempts to create a valid absolute URL (utilizing `isValidProtocol`).\n * @param {URL|string} url - An absolute, or relative, URL.\n * @param {URL|string} baseUrl - An absolute URL.\n * @returns Either a valid {URL}, or `null` otherwise.\n */\nfunction createValidAbsoluteUrl(url, baseUrl) {\n if (!url) {\n return null;\n }\n try {\n var absoluteUrl = baseUrl ? new URL(url, baseUrl) : new URL(url);\n if (isValidProtocol(absoluteUrl)) {\n return absoluteUrl;\n }\n } catch (ex) { /* `new URL()` will throw on incorrect data. */ }\n return null;\n}\n\nfunction shadow(obj, prop, value) {\n Object.defineProperty(obj, prop, { value,\n enumerable: true,\n configurable: true,\n writable: false, });\n return value;\n}\n\nfunction getLookupTableFactory(initializer) {\n var lookup;\n return function () {\n if (initializer) {\n lookup = Object.create(null);\n initializer(lookup);\n initializer = null;\n }\n return lookup;\n };\n}\n\nvar PasswordResponses = {\n NEED_PASSWORD: 1,\n INCORRECT_PASSWORD: 2,\n};\n\nvar PasswordException = (function PasswordExceptionClosure() {\n function PasswordException(msg, code) {\n this.name = 'PasswordException';\n this.message = msg;\n this.code = code;\n }\n\n PasswordException.prototype = new Error();\n PasswordException.constructor = PasswordException;\n\n return PasswordException;\n})();\n\nvar UnknownErrorException = (function UnknownErrorExceptionClosure() {\n function UnknownErrorException(msg, details) {\n this.name = 'UnknownErrorException';\n this.message = msg;\n this.details = details;\n }\n\n UnknownErrorException.prototype = new Error();\n UnknownErrorException.constructor = UnknownErrorException;\n\n return UnknownErrorException;\n})();\n\nvar InvalidPDFException = (function InvalidPDFExceptionClosure() {\n function InvalidPDFException(msg) {\n this.name = 'InvalidPDFException';\n this.message = msg;\n }\n\n InvalidPDFException.prototype = new Error();\n InvalidPDFException.constructor = InvalidPDFException;\n\n return InvalidPDFException;\n})();\n\nvar MissingPDFException = (function MissingPDFExceptionClosure() {\n function MissingPDFException(msg) {\n this.name = 'MissingPDFException';\n this.message = msg;\n }\n\n MissingPDFException.prototype = new Error();\n MissingPDFException.constructor = MissingPDFException;\n\n return MissingPDFException;\n})();\n\nvar UnexpectedResponseException =\n (function UnexpectedResponseExceptionClosure() {\n function UnexpectedResponseException(msg, status) {\n this.name = 'UnexpectedResponseException';\n this.message = msg;\n this.status = status;\n }\n\n UnexpectedResponseException.prototype = new Error();\n UnexpectedResponseException.constructor = UnexpectedResponseException;\n\n return UnexpectedResponseException;\n})();\n\nvar NotImplementedException = (function NotImplementedExceptionClosure() {\n function NotImplementedException(msg) {\n this.message = msg;\n }\n\n NotImplementedException.prototype = new Error();\n NotImplementedException.prototype.name = 'NotImplementedException';\n NotImplementedException.constructor = NotImplementedException;\n\n return NotImplementedException;\n})();\n\nvar MissingDataException = (function MissingDataExceptionClosure() {\n function MissingDataException(begin, end) {\n this.begin = begin;\n this.end = end;\n this.message = 'Missing data [' + begin + ', ' + end + ')';\n }\n\n MissingDataException.prototype = new Error();\n MissingDataException.prototype.name = 'MissingDataException';\n MissingDataException.constructor = MissingDataException;\n\n return MissingDataException;\n})();\n\nvar XRefParseException = (function XRefParseExceptionClosure() {\n function XRefParseException(msg) {\n this.message = msg;\n }\n\n XRefParseException.prototype = new Error();\n XRefParseException.prototype.name = 'XRefParseException';\n XRefParseException.constructor = XRefParseException;\n\n return XRefParseException;\n})();\n\n/**\n * Error caused during parsing PDF data.\n */\nlet FormatError = (function FormatErrorClosure() {\n function FormatError(msg) {\n this.message = msg;\n }\n\n FormatError.prototype = new Error();\n FormatError.prototype.name = 'FormatError';\n FormatError.constructor = FormatError;\n\n return FormatError;\n})();\n\n/**\n * Error used to indicate task cancellation.\n */\nlet AbortException = (function AbortExceptionClosure() {\n function AbortException(msg) {\n this.name = 'AbortException';\n this.message = msg;\n }\n\n AbortException.prototype = new Error();\n AbortException.constructor = AbortException;\n\n return AbortException;\n})();\n\nvar NullCharactersRegExp = /\\x00/g;\n\nfunction removeNullCharacters(str) {\n if (typeof str !== 'string') {\n warn('The argument for removeNullCharacters must be a string.');\n return str;\n }\n return str.replace(NullCharactersRegExp, '');\n}\n\nfunction bytesToString(bytes) {\n assert(bytes !== null && typeof bytes === 'object' &&\n bytes.length !== undefined, 'Invalid argument for bytesToString');\n var length = bytes.length;\n var MAX_ARGUMENT_COUNT = 8192;\n if (length < MAX_ARGUMENT_COUNT) {\n return String.fromCharCode.apply(null, bytes);\n }\n var strBuf = [];\n for (var i = 0; i < length; i += MAX_ARGUMENT_COUNT) {\n var chunkEnd = Math.min(i + MAX_ARGUMENT_COUNT, length);\n var chunk = bytes.subarray(i, chunkEnd);\n strBuf.push(String.fromCharCode.apply(null, chunk));\n }\n return strBuf.join('');\n}\n\nfunction stringToBytes(str) {\n assert(typeof str === 'string', 'Invalid argument for stringToBytes');\n var length = str.length;\n var bytes = new Uint8Array(length);\n for (var i = 0; i < length; ++i) {\n bytes[i] = str.charCodeAt(i) & 0xFF;\n }\n return bytes;\n}\n\n/**\n * Gets length of the array (Array, Uint8Array, or string) in bytes.\n * @param {Array|Uint8Array|string} arr\n * @returns {number}\n */\nfunction arrayByteLength(arr) {\n if (arr.length !== undefined) {\n return arr.length;\n }\n assert(arr.byteLength !== undefined);\n return arr.byteLength;\n}\n\n/**\n * Combines array items (arrays) into single Uint8Array object.\n * @param {Array} arr - the array of the arrays (Array, Uint8Array, or string).\n * @returns {Uint8Array}\n */\nfunction arraysToBytes(arr) {\n // Shortcut: if first and only item is Uint8Array, return it.\n if (arr.length === 1 && (arr[0] instanceof Uint8Array)) {\n return arr[0];\n }\n var resultLength = 0;\n var i, ii = arr.length;\n var item, itemLength;\n for (i = 0; i < ii; i++) {\n item = arr[i];\n itemLength = arrayByteLength(item);\n resultLength += itemLength;\n }\n var pos = 0;\n var data = new Uint8Array(resultLength);\n for (i = 0; i < ii; i++) {\n item = arr[i];\n if (!(item instanceof Uint8Array)) {\n if (typeof item === 'string') {\n item = stringToBytes(item);\n } else {\n item = new Uint8Array(item);\n }\n }\n itemLength = item.byteLength;\n data.set(item, pos);\n pos += itemLength;\n }\n return data;\n}\n\nfunction string32(value) {\n return String.fromCharCode((value >> 24) & 0xff, (value >> 16) & 0xff,\n (value >> 8) & 0xff, value & 0xff);\n}\n\nfunction log2(x) {\n var n = 1, i = 0;\n while (x > n) {\n n <<= 1;\n i++;\n }\n return i;\n}\n\nfunction readInt8(data, start) {\n return (data[start] << 24) >> 24;\n}\n\nfunction readUint16(data, offset) {\n return (data[offset] << 8) | data[offset + 1];\n}\n\nfunction readUint32(data, offset) {\n return ((data[offset] << 24) | (data[offset + 1] << 16) |\n (data[offset + 2] << 8) | data[offset + 3]) >>> 0;\n}\n\n// Lazy test the endianness of the platform\n// NOTE: This will be 'true' for simulated TypedArrays\nfunction isLittleEndian() {\n var buffer8 = new Uint8Array(4);\n buffer8[0] = 1;\n var view32 = new Uint32Array(buffer8.buffer, 0, 1);\n return (view32[0] === 1);\n}\n\n// Checks if it's possible to eval JS expressions.\nfunction isEvalSupported() {\n try {\n new Function(''); // eslint-disable-line no-new, no-new-func\n return true;\n } catch (e) {\n return false;\n }\n}\n\nvar IDENTITY_MATRIX = [1, 0, 0, 1, 0, 0];\n\nvar Util = (function UtilClosure() {\n function Util() {}\n\n var rgbBuf = ['rgb(', 0, ',', 0, ',', 0, ')'];\n\n // makeCssRgb() can be called thousands of times. Using |rgbBuf| avoids\n // creating many intermediate strings.\n Util.makeCssRgb = function Util_makeCssRgb(r, g, b) {\n rgbBuf[1] = r;\n rgbBuf[3] = g;\n rgbBuf[5] = b;\n return rgbBuf.join('');\n };\n\n // Concatenates two transformation matrices together and returns the result.\n Util.transform = function Util_transform(m1, m2) {\n return [\n m1[0] * m2[0] + m1[2] * m2[1],\n m1[1] * m2[0] + m1[3] * m2[1],\n m1[0] * m2[2] + m1[2] * m2[3],\n m1[1] * m2[2] + m1[3] * m2[3],\n m1[0] * m2[4] + m1[2] * m2[5] + m1[4],\n m1[1] * m2[4] + m1[3] * m2[5] + m1[5]\n ];\n };\n\n // For 2d affine transforms\n Util.applyTransform = function Util_applyTransform(p, m) {\n var xt = p[0] * m[0] + p[1] * m[2] + m[4];\n var yt = p[0] * m[1] + p[1] * m[3] + m[5];\n return [xt, yt];\n };\n\n Util.applyInverseTransform = function Util_applyInverseTransform(p, m) {\n var d = m[0] * m[3] - m[1] * m[2];\n var xt = (p[0] * m[3] - p[1] * m[2] + m[2] * m[5] - m[4] * m[3]) / d;\n var yt = (-p[0] * m[1] + p[1] * m[0] + m[4] * m[1] - m[5] * m[0]) / d;\n return [xt, yt];\n };\n\n // Applies the transform to the rectangle and finds the minimum axially\n // aligned bounding box.\n Util.getAxialAlignedBoundingBox =\n function Util_getAxialAlignedBoundingBox(r, m) {\n\n var p1 = Util.applyTransform(r, m);\n var p2 = Util.applyTransform(r.slice(2, 4), m);\n var p3 = Util.applyTransform([r[0], r[3]], m);\n var p4 = Util.applyTransform([r[2], r[1]], m);\n return [\n Math.min(p1[0], p2[0], p3[0], p4[0]),\n Math.min(p1[1], p2[1], p3[1], p4[1]),\n Math.max(p1[0], p2[0], p3[0], p4[0]),\n Math.max(p1[1], p2[1], p3[1], p4[1])\n ];\n };\n\n Util.inverseTransform = function Util_inverseTransform(m) {\n var d = m[0] * m[3] - m[1] * m[2];\n return [m[3] / d, -m[1] / d, -m[2] / d, m[0] / d,\n (m[2] * m[5] - m[4] * m[3]) / d, (m[4] * m[1] - m[5] * m[0]) / d];\n };\n\n // Apply a generic 3d matrix M on a 3-vector v:\n // | a b c | | X |\n // | d e f | x | Y |\n // | g h i | | Z |\n // M is assumed to be serialized as [a,b,c,d,e,f,g,h,i],\n // with v as [X,Y,Z]\n Util.apply3dTransform = function Util_apply3dTransform(m, v) {\n return [\n m[0] * v[0] + m[1] * v[1] + m[2] * v[2],\n m[3] * v[0] + m[4] * v[1] + m[5] * v[2],\n m[6] * v[0] + m[7] * v[1] + m[8] * v[2]\n ];\n };\n\n // This calculation uses Singular Value Decomposition.\n // The SVD can be represented with formula A = USV. We are interested in the\n // matrix S here because it represents the scale values.\n Util.singularValueDecompose2dScale =\n function Util_singularValueDecompose2dScale(m) {\n\n var transpose = [m[0], m[2], m[1], m[3]];\n\n // Multiply matrix m with its transpose.\n var a = m[0] * transpose[0] + m[1] * transpose[2];\n var b = m[0] * transpose[1] + m[1] * transpose[3];\n var c = m[2] * transpose[0] + m[3] * transpose[2];\n var d = m[2] * transpose[1] + m[3] * transpose[3];\n\n // Solve the second degree polynomial to get roots.\n var first = (a + d) / 2;\n var second = Math.sqrt((a + d) * (a + d) - 4 * (a * d - c * b)) / 2;\n var sx = first + second || 1;\n var sy = first - second || 1;\n\n // Scale values are the square roots of the eigenvalues.\n return [Math.sqrt(sx), Math.sqrt(sy)];\n };\n\n // Normalize rectangle rect=[x1, y1, x2, y2] so that (x1,y1) < (x2,y2)\n // For coordinate systems whose origin lies in the bottom-left, this\n // means normalization to (BL,TR) ordering. For systems with origin in the\n // top-left, this means (TL,BR) ordering.\n Util.normalizeRect = function Util_normalizeRect(rect) {\n var r = rect.slice(0); // clone rect\n if (rect[0] > rect[2]) {\n r[0] = rect[2];\n r[2] = rect[0];\n }\n if (rect[1] > rect[3]) {\n r[1] = rect[3];\n r[3] = rect[1];\n }\n return r;\n };\n\n // Returns a rectangle [x1, y1, x2, y2] corresponding to the\n // intersection of rect1 and rect2. If no intersection, returns 'false'\n // The rectangle coordinates of rect1, rect2 should be [x1, y1, x2, y2]\n Util.intersect = function Util_intersect(rect1, rect2) {\n function compare(a, b) {\n return a - b;\n }\n\n // Order points along the axes\n var orderedX = [rect1[0], rect1[2], rect2[0], rect2[2]].sort(compare),\n orderedY = [rect1[1], rect1[3], rect2[1], rect2[3]].sort(compare),\n result = [];\n\n rect1 = Util.normalizeRect(rect1);\n rect2 = Util.normalizeRect(rect2);\n\n // X: first and second points belong to different rectangles?\n if ((orderedX[0] === rect1[0] && orderedX[1] === rect2[0]) ||\n (orderedX[0] === rect2[0] && orderedX[1] === rect1[0])) {\n // Intersection must be between second and third points\n result[0] = orderedX[1];\n result[2] = orderedX[2];\n } else {\n return false;\n }\n\n // Y: first and second points belong to different rectangles?\n if ((orderedY[0] === rect1[1] && orderedY[1] === rect2[1]) ||\n (orderedY[0] === rect2[1] && orderedY[1] === rect1[1])) {\n // Intersection must be between second and third points\n result[1] = orderedY[1];\n result[3] = orderedY[2];\n } else {\n return false;\n }\n\n return result;\n };\n\n Util.sign = function Util_sign(num) {\n return num < 0 ? -1 : 1;\n };\n\n var ROMAN_NUMBER_MAP = [\n '', 'C', 'CC', 'CCC', 'CD', 'D', 'DC', 'DCC', 'DCCC', 'CM',\n '', 'X', 'XX', 'XXX', 'XL', 'L', 'LX', 'LXX', 'LXXX', 'XC',\n '', 'I', 'II', 'III', 'IV', 'V', 'VI', 'VII', 'VIII', 'IX'\n ];\n /**\n * Converts positive integers to (upper case) Roman numerals.\n * @param {integer} number - The number that should be converted.\n * @param {boolean} lowerCase - Indicates if the result should be converted\n * to lower case letters. The default is false.\n * @return {string} The resulting Roman number.\n */\n Util.toRoman = function Util_toRoman(number, lowerCase) {\n assert(isInt(number) && number > 0,\n 'The number should be a positive integer.');\n var pos, romanBuf = [];\n // Thousands\n while (number >= 1000) {\n number -= 1000;\n romanBuf.push('M');\n }\n // Hundreds\n pos = (number / 100) | 0;\n number %= 100;\n romanBuf.push(ROMAN_NUMBER_MAP[pos]);\n // Tens\n pos = (number / 10) | 0;\n number %= 10;\n romanBuf.push(ROMAN_NUMBER_MAP[10 + pos]);\n // Ones\n romanBuf.push(ROMAN_NUMBER_MAP[20 + number]);\n\n var romanStr = romanBuf.join('');\n return (lowerCase ? romanStr.toLowerCase() : romanStr);\n };\n\n Util.appendToArray = function Util_appendToArray(arr1, arr2) {\n Array.prototype.push.apply(arr1, arr2);\n };\n\n Util.prependToArray = function Util_prependToArray(arr1, arr2) {\n Array.prototype.unshift.apply(arr1, arr2);\n };\n\n Util.extendObj = function extendObj(obj1, obj2) {\n for (var key in obj2) {\n obj1[key] = obj2[key];\n }\n };\n\n Util.getInheritableProperty =\n function Util_getInheritableProperty(dict, name, getArray) {\n while (dict && !dict.has(name)) {\n dict = dict.get('Parent');\n }\n if (!dict) {\n return null;\n }\n return getArray ? dict.getArray(name) : dict.get(name);\n };\n\n Util.inherit = function Util_inherit(sub, base, prototype) {\n sub.prototype = Object.create(base.prototype);\n sub.prototype.constructor = sub;\n for (var prop in prototype) {\n sub.prototype[prop] = prototype[prop];\n }\n };\n\n Util.loadScript = function Util_loadScript(src, callback) {\n var script = document.createElement('script');\n var loaded = false;\n script.setAttribute('src', src);\n if (callback) {\n script.onload = function() {\n if (!loaded) {\n callback();\n }\n loaded = true;\n };\n }\n document.getElementsByTagName('head')[0].appendChild(script);\n };\n\n return Util;\n})();\n\n/**\n * PDF page viewport created based on scale, rotation and offset.\n * @class\n * @alias PageViewport\n */\nvar PageViewport = (function PageViewportClosure() {\n /**\n * @constructor\n * @private\n * @param viewBox {Array} xMin, yMin, xMax and yMax coordinates.\n * @param scale {number} scale of the viewport.\n * @param rotation {number} rotations of the viewport in degrees.\n * @param offsetX {number} offset X\n * @param offsetY {number} offset Y\n * @param dontFlip {boolean} if true, axis Y will not be flipped.\n */\n function PageViewport(viewBox, scale, rotation, offsetX, offsetY, dontFlip) {\n this.viewBox = viewBox;\n this.scale = scale;\n this.rotation = rotation;\n this.offsetX = offsetX;\n this.offsetY = offsetY;\n\n // creating transform to convert pdf coordinate system to the normal\n // canvas like coordinates taking in account scale and rotation\n var centerX = (viewBox[2] + viewBox[0]) / 2;\n var centerY = (viewBox[3] + viewBox[1]) / 2;\n var rotateA, rotateB, rotateC, rotateD;\n rotation = rotation % 360;\n rotation = rotation < 0 ? rotation + 360 : rotation;\n switch (rotation) {\n case 180:\n rotateA = -1; rotateB = 0; rotateC = 0; rotateD = 1;\n break;\n case 90:\n rotateA = 0; rotateB = 1; rotateC = 1; rotateD = 0;\n break;\n case 270:\n rotateA = 0; rotateB = -1; rotateC = -1; rotateD = 0;\n break;\n // case 0:\n default:\n rotateA = 1; rotateB = 0; rotateC = 0; rotateD = -1;\n break;\n }\n\n if (dontFlip) {\n rotateC = -rotateC; rotateD = -rotateD;\n }\n\n var offsetCanvasX, offsetCanvasY;\n var width, height;\n if (rotateA === 0) {\n offsetCanvasX = Math.abs(centerY - viewBox[1]) * scale + offsetX;\n offsetCanvasY = Math.abs(centerX - viewBox[0]) * scale + offsetY;\n width = Math.abs(viewBox[3] - viewBox[1]) * scale;\n height = Math.abs(viewBox[2] - viewBox[0]) * scale;\n } else {\n offsetCanvasX = Math.abs(centerX - viewBox[0]) * scale + offsetX;\n offsetCanvasY = Math.abs(centerY - viewBox[1]) * scale + offsetY;\n width = Math.abs(viewBox[2] - viewBox[0]) * scale;\n height = Math.abs(viewBox[3] - viewBox[1]) * scale;\n }\n // creating transform for the following operations:\n // translate(-centerX, -centerY), rotate and flip vertically,\n // scale, and translate(offsetCanvasX, offsetCanvasY)\n this.transform = [\n rotateA * scale,\n rotateB * scale,\n rotateC * scale,\n rotateD * scale,\n offsetCanvasX - rotateA * scale * centerX - rotateC * scale * centerY,\n offsetCanvasY - rotateB * scale * centerX - rotateD * scale * centerY\n ];\n\n this.width = width;\n this.height = height;\n this.fontScale = scale;\n }\n PageViewport.prototype = /** @lends PageViewport.prototype */ {\n /**\n * Clones viewport with additional properties.\n * @param args {Object} (optional) If specified, may contain the 'scale' or\n * 'rotation' properties to override the corresponding properties in\n * the cloned viewport.\n * @returns {PageViewport} Cloned viewport.\n */\n clone: function PageViewPort_clone(args) {\n args = args || {};\n var scale = 'scale' in args ? args.scale : this.scale;\n var rotation = 'rotation' in args ? args.rotation : this.rotation;\n return new PageViewport(this.viewBox.slice(), scale, rotation,\n this.offsetX, this.offsetY, args.dontFlip);\n },\n /**\n * Converts PDF point to the viewport coordinates. For examples, useful for\n * converting PDF location into canvas pixel coordinates.\n * @param x {number} X coordinate.\n * @param y {number} Y coordinate.\n * @returns {Object} Object that contains 'x' and 'y' properties of the\n * point in the viewport coordinate space.\n * @see {@link convertToPdfPoint}\n * @see {@link convertToViewportRectangle}\n */\n convertToViewportPoint: function PageViewport_convertToViewportPoint(x, y) {\n return Util.applyTransform([x, y], this.transform);\n },\n /**\n * Converts PDF rectangle to the viewport coordinates.\n * @param rect {Array} xMin, yMin, xMax and yMax coordinates.\n * @returns {Array} Contains corresponding coordinates of the rectangle\n * in the viewport coordinate space.\n * @see {@link convertToViewportPoint}\n */\n convertToViewportRectangle:\n function PageViewport_convertToViewportRectangle(rect) {\n var tl = Util.applyTransform([rect[0], rect[1]], this.transform);\n var br = Util.applyTransform([rect[2], rect[3]], this.transform);\n return [tl[0], tl[1], br[0], br[1]];\n },\n /**\n * Converts viewport coordinates to the PDF location. For examples, useful\n * for converting canvas pixel location into PDF one.\n * @param x {number} X coordinate.\n * @param y {number} Y coordinate.\n * @returns {Object} Object that contains 'x' and 'y' properties of the\n * point in the PDF coordinate space.\n * @see {@link convertToViewportPoint}\n */\n convertToPdfPoint: function PageViewport_convertToPdfPoint(x, y) {\n return Util.applyInverseTransform([x, y], this.transform);\n },\n };\n return PageViewport;\n})();\n\nvar PDFStringTranslateTable = [\n 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0,\n 0x2D8, 0x2C7, 0x2C6, 0x2D9, 0x2DD, 0x2DB, 0x2DA, 0x2DC, 0, 0, 0, 0, 0, 0, 0,\n 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0,\n 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0,\n 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0,\n 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0x2022, 0x2020, 0x2021, 0x2026, 0x2014,\n 0x2013, 0x192, 0x2044, 0x2039, 0x203A, 0x2212, 0x2030, 0x201E, 0x201C,\n 0x201D, 0x2018, 0x2019, 0x201A, 0x2122, 0xFB01, 0xFB02, 0x141, 0x152, 0x160,\n 0x178, 0x17D, 0x131, 0x142, 0x153, 0x161, 0x17E, 0, 0x20AC\n];\n\nfunction stringToPDFString(str) {\n var i, n = str.length, strBuf = [];\n if (str[0] === '\\xFE' && str[1] === '\\xFF') {\n // UTF16BE BOM\n for (i = 2; i < n; i += 2) {\n strBuf.push(String.fromCharCode(\n (str.charCodeAt(i) << 8) | str.charCodeAt(i + 1)));\n }\n } else {\n for (i = 0; i < n; ++i) {\n var code = PDFStringTranslateTable[str.charCodeAt(i)];\n strBuf.push(code ? String.fromCharCode(code) : str.charAt(i));\n }\n }\n return strBuf.join('');\n}\n\nfunction stringToUTF8String(str) {\n return decodeURIComponent(escape(str));\n}\n\nfunction utf8StringToString(str) {\n return unescape(encodeURIComponent(str));\n}\n\nfunction isEmptyObj(obj) {\n for (var key in obj) {\n return false;\n }\n return true;\n}\n\nfunction isBool(v) {\n return typeof v === 'boolean';\n}\n\nfunction isInt(v) {\n return typeof v === 'number' && ((v | 0) === v);\n}\n\nfunction isNum(v) {\n return typeof v === 'number';\n}\n\nfunction isString(v) {\n return typeof v === 'string';\n}\n\nfunction isArray(v) {\n return v instanceof Array;\n}\n\nfunction isArrayBuffer(v) {\n return typeof v === 'object' && v !== null && v.byteLength !== undefined;\n}\n\n// Checks if ch is one of the following characters: SPACE, TAB, CR or LF.\nfunction isSpace(ch) {\n return (ch === 0x20 || ch === 0x09 || ch === 0x0D || ch === 0x0A);\n}\n\nfunction isNodeJS() {\n // eslint-disable-next-line no-undef\n return typeof process === 'object' && process + '' === '[object process]';\n}\n\n/**\n * Promise Capability object.\n *\n * @typedef {Object} PromiseCapability\n * @property {Promise} promise - A promise object.\n * @property {function} resolve - Fulfills the promise.\n * @property {function} reject - Rejects the promise.\n */\n\n/**\n * Creates a promise capability object.\n * @alias createPromiseCapability\n *\n * @return {PromiseCapability} A capability object contains:\n * - a Promise, resolve and reject methods.\n */\nfunction createPromiseCapability() {\n var capability = {};\n capability.promise = new Promise(function (resolve, reject) {\n capability.resolve = resolve;\n capability.reject = reject;\n });\n return capability;\n}\n\nvar StatTimer = (function StatTimerClosure() {\n function rpad(str, pad, length) {\n while (str.length < length) {\n str += pad;\n }\n return str;\n }\n function StatTimer() {\n this.started = Object.create(null);\n this.times = [];\n this.enabled = true;\n }\n StatTimer.prototype = {\n time: function StatTimer_time(name) {\n if (!this.enabled) {\n return;\n }\n if (name in this.started) {\n warn('Timer is already running for ' + name);\n }\n this.started[name] = Date.now();\n },\n timeEnd: function StatTimer_timeEnd(name) {\n if (!this.enabled) {\n return;\n }\n if (!(name in this.started)) {\n warn('Timer has not been started for ' + name);\n }\n this.times.push({\n 'name': name,\n 'start': this.started[name],\n 'end': Date.now(),\n });\n // Remove timer from started so it can be called again.\n delete this.started[name];\n },\n toString: function StatTimer_toString() {\n var i, ii;\n var times = this.times;\n var out = '';\n // Find the longest name for padding purposes.\n var longest = 0;\n for (i = 0, ii = times.length; i < ii; ++i) {\n var name = times[i]['name'];\n if (name.length > longest) {\n longest = name.length;\n }\n }\n for (i = 0, ii = times.length; i < ii; ++i) {\n var span = times[i];\n var duration = span.end - span.start;\n out += rpad(span['name'], ' ', longest) + ' ' + duration + 'ms\\n';\n }\n return out;\n },\n };\n return StatTimer;\n})();\n\nvar createBlob = function createBlob(data, contentType) {\n if (typeof Blob !== 'undefined') {\n return new Blob([data], { type: contentType, });\n }\n throw new Error('The \"Blob\" constructor is not supported.');\n};\n\nvar createObjectURL = (function createObjectURLClosure() {\n // Blob/createObjectURL is not available, falling back to data schema.\n var digits =\n 'ABCDEFGHIJKLMNOPQRSTUVWXYZabcdefghijklmnopqrstuvwxyz0123456789+/=';\n\n return function createObjectURL(data, contentType, forceDataSchema = false) {\n if (!forceDataSchema && URL.createObjectURL) {\n var blob = createBlob(data, contentType);\n return URL.createObjectURL(blob);\n }\n\n var buffer = 'data:' + contentType + ';base64,';\n for (var i = 0, ii = data.length; i < ii; i += 3) {\n var b1 = data[i] & 0xFF;\n var b2 = data[i + 1] & 0xFF;\n var b3 = data[i + 2] & 0xFF;\n var d1 = b1 >> 2, d2 = ((b1 & 3) << 4) | (b2 >> 4);\n var d3 = i + 1 < ii ? ((b2 & 0xF) << 2) | (b3 >> 6) : 64;\n var d4 = i + 2 < ii ? (b3 & 0x3F) : 64;\n buffer += digits[d1] + digits[d2] + digits[d3] + digits[d4];\n }\n return buffer;\n };\n})();\n\nfunction resolveCall(fn, args, thisArg = null) {\n if (!fn) {\n return Promise.resolve(undefined);\n }\n return new Promise((resolve, reject) => {\n resolve(fn.apply(thisArg, args));\n });\n}\n\nfunction wrapReason(reason) {\n if (typeof reason !== 'object') {\n return reason;\n }\n switch (reason.name) {\n case 'AbortException':\n return new AbortException(reason.message);\n case 'MissingPDFException':\n return new MissingPDFException(reason.message);\n case 'UnexpectedResponseException':\n return new UnexpectedResponseException(reason.message, reason.status);\n default:\n return new UnknownErrorException(reason.message, reason.details);\n }\n}\n\nfunction resolveOrReject(capability, success, reason) {\n if (success) {\n capability.resolve();\n } else {\n capability.reject(reason);\n }\n}\n\nfunction finalize(promise) {\n return Promise.resolve(promise).catch(() => {});\n}\n\nfunction MessageHandler(sourceName, targetName, comObj) {\n this.sourceName = sourceName;\n this.targetName = targetName;\n this.comObj = comObj;\n this.callbackId = 1;\n this.streamId = 1;\n this.postMessageTransfers = true;\n this.streamSinks = Object.create(null);\n this.streamControllers = Object.create(null);\n let callbacksCapabilities = this.callbacksCapabilities = Object.create(null);\n let ah = this.actionHandler = Object.create(null);\n\n this._onComObjOnMessage = (event) => {\n let data = event.data;\n if (data.targetName !== this.sourceName) {\n return;\n }\n if (data.stream) {\n this._processStreamMessage(data);\n } else if (data.isReply) {\n let callbackId = data.callbackId;\n if (data.callbackId in callbacksCapabilities) {\n let callback = callbacksCapabilities[callbackId];\n delete callbacksCapabilities[callbackId];\n if ('error' in data) {\n callback.reject(wrapReason(data.error));\n } else {\n callback.resolve(data.data);\n }\n } else {\n throw new Error(`Cannot resolve callback ${callbackId}`);\n }\n } else if (data.action in ah) {\n let action = ah[data.action];\n if (data.callbackId) {\n let sourceName = this.sourceName;\n let targetName = data.sourceName;\n Promise.resolve().then(function () {\n return action[0].call(action[1], data.data);\n }).then((result) => {\n comObj.postMessage({\n sourceName,\n targetName,\n isReply: true,\n callbackId: data.callbackId,\n data: result,\n });\n }, (reason) => {\n if (reason instanceof Error) {\n // Serialize error to avoid \"DataCloneError\"\n reason = reason + '';\n }\n comObj.postMessage({\n sourceName,\n targetName,\n isReply: true,\n callbackId: data.callbackId,\n error: reason,\n });\n });\n } else if (data.streamId) {\n this._createStreamSink(data);\n } else {\n action[0].call(action[1], data.data);\n }\n } else {\n throw new Error(`Unknown action from worker: ${data.action}`);\n }\n };\n comObj.addEventListener('message', this._onComObjOnMessage);\n}\n\nMessageHandler.prototype = {\n on(actionName, handler, scope) {\n var ah = this.actionHandler;\n if (ah[actionName]) {\n throw new Error(`There is already an actionName called \"${actionName}\"`);\n }\n ah[actionName] = [handler, scope];\n },\n /**\n * Sends a message to the comObj to invoke the action with the supplied data.\n * @param {String} actionName - Action to call.\n * @param {JSON} data - JSON data to send.\n * @param {Array} [transfers] - Optional list of transfers/ArrayBuffers\n */\n send(actionName, data, transfers) {\n var message = {\n sourceName: this.sourceName,\n targetName: this.targetName,\n action: actionName,\n data,\n };\n this.postMessage(message, transfers);\n },\n /**\n * Sends a message to the comObj to invoke the action with the supplied data.\n * Expects that the other side will callback with the response.\n * @param {String} actionName - Action to call.\n * @param {JSON} data - JSON data to send.\n * @param {Array} [transfers] - Optional list of transfers/ArrayBuffers.\n * @returns {Promise} Promise to be resolved with response data.\n */\n sendWithPromise(actionName, data, transfers) {\n var callbackId = this.callbackId++;\n var message = {\n sourceName: this.sourceName,\n targetName: this.targetName,\n action: actionName,\n data,\n callbackId,\n };\n var capability = createPromiseCapability();\n this.callbacksCapabilities[callbackId] = capability;\n try {\n this.postMessage(message, transfers);\n } catch (e) {\n capability.reject(e);\n }\n return capability.promise;\n },\n /**\n * Sends a message to the comObj to invoke the action with the supplied data.\n * Expect that the other side will callback to signal 'start_complete'.\n * @param {String} actionName - Action to call.\n * @param {JSON} data - JSON data to send.\n * @param {Object} queueingStrategy - strategy to signal backpressure based on\n * internal queue.\n * @param {Array} [transfers] - Optional list of transfers/ArrayBuffers.\n * @return {ReadableStream} ReadableStream to read data in chunks.\n */\n sendWithStream(actionName, data, queueingStrategy, transfers) {\n let streamId = this.streamId++;\n let sourceName = this.sourceName;\n let targetName = this.targetName;\n\n return new ReadableStream({\n start: (controller) => {\n let startCapability = createPromiseCapability();\n this.streamControllers[streamId] = {\n controller,\n startCall: startCapability,\n isClosed: false,\n };\n this.postMessage({\n sourceName,\n targetName,\n action: actionName,\n streamId,\n data,\n desiredSize: controller.desiredSize,\n });\n // Return Promise for Async process, to signal success/failure.\n return startCapability.promise;\n },\n\n pull: (controller) => {\n let pullCapability = createPromiseCapability();\n this.streamControllers[streamId].pullCall = pullCapability;\n this.postMessage({\n sourceName,\n targetName,\n stream: 'pull',\n streamId,\n desiredSize: controller.desiredSize,\n });\n // Returning Promise will not call \"pull\"\n // again until current pull is resolved.\n return pullCapability.promise;\n },\n\n cancel: (reason) => {\n let cancelCapability = createPromiseCapability();\n this.streamControllers[streamId].cancelCall = cancelCapability;\n this.streamControllers[streamId].isClosed = true;\n this.postMessage({\n sourceName,\n targetName,\n stream: 'cancel',\n reason,\n streamId,\n });\n // Return Promise to signal success or failure.\n return cancelCapability.promise;\n },\n }, queueingStrategy);\n },\n\n _createStreamSink(data) {\n let self = this;\n let action = this.actionHandler[data.action];\n let streamId = data.streamId;\n let desiredSize = data.desiredSize;\n let sourceName = this.sourceName;\n let targetName = data.sourceName;\n let capability = createPromiseCapability();\n\n let sendStreamRequest = ({ stream, chunk, transfers,\n success, reason, }) => {\n this.postMessage({ sourceName, targetName, stream, streamId,\n chunk, success, reason, }, transfers);\n };\n\n let streamSink = {\n enqueue(chunk, size = 1, transfers) {\n if (this.isCancelled) {\n return;\n }\n let lastDesiredSize = this.desiredSize;\n this.desiredSize -= size;\n // Enqueue decreases the desiredSize property of sink,\n // so when it changes from positive to negative,\n // set ready as unresolved promise.\n if (lastDesiredSize > 0 && this.desiredSize <= 0) {\n this.sinkCapability = createPromiseCapability();\n this.ready = this.sinkCapability.promise;\n }\n sendStreamRequest({ stream: 'enqueue', chunk, transfers, });\n },\n\n close() {\n if (this.isCancelled) {\n return;\n }\n sendStreamRequest({ stream: 'close', });\n delete self.streamSinks[streamId];\n },\n\n error(reason) {\n if (this.isCancelled) {\n return;\n }\n this.isCancelled = true;\n sendStreamRequest({ stream: 'error', reason, });\n },\n\n sinkCapability: capability,\n onPull: null,\n onCancel: null,\n isCancelled: false,\n desiredSize,\n ready: null,\n };\n\n streamSink.sinkCapability.resolve();\n streamSink.ready = streamSink.sinkCapability.promise;\n this.streamSinks[streamId] = streamSink;\n resolveCall(action[0], [data.data, streamSink], action[1]).then(() => {\n sendStreamRequest({ stream: 'start_complete', success: true, });\n }, (reason) => {\n sendStreamRequest({ stream: 'start_complete', success: false, reason, });\n });\n },\n\n _processStreamMessage(data) {\n let sourceName = this.sourceName;\n let targetName = data.sourceName;\n let streamId = data.streamId;\n\n let sendStreamResponse = ({ stream, success, reason, }) => {\n this.comObj.postMessage({ sourceName, targetName, stream,\n success, streamId, reason, });\n };\n\n let deleteStreamController = () => {\n // Delete streamController only when start, pull and\n // cancel callbacks are resolved, to avoid \"TypeError\".\n Promise.all([\n this.streamControllers[data.streamId].startCall,\n this.streamControllers[data.streamId].pullCall,\n this.streamControllers[data.streamId].cancelCall\n ].map(function(capability) {\n return capability && finalize(capability.promise);\n })).then(() => {\n delete this.streamControllers[data.streamId];\n });\n };\n\n switch (data.stream) {\n case 'start_complete':\n resolveOrReject(this.streamControllers[data.streamId].startCall,\n data.success, wrapReason(data.reason));\n break;\n case 'pull_complete':\n resolveOrReject(this.streamControllers[data.streamId].pullCall,\n data.success, wrapReason(data.reason));\n break;\n case 'pull':\n // Ignore any pull after close is called.\n if (!this.streamSinks[data.streamId]) {\n sendStreamResponse({ stream: 'pull_complete', success: true, });\n break;\n }\n // Pull increases the desiredSize property of sink,\n // so when it changes from negative to positive,\n // set ready property as resolved promise.\n if (this.streamSinks[data.streamId].desiredSize <= 0 &&\n data.desiredSize > 0) {\n this.streamSinks[data.streamId].sinkCapability.resolve();\n }\n // Reset desiredSize property of sink on every pull.\n this.streamSinks[data.streamId].desiredSize = data.desiredSize;\n resolveCall(this.streamSinks[data.streamId].onPull).then(() => {\n sendStreamResponse({ stream: 'pull_complete', success: true, });\n }, (reason) => {\n sendStreamResponse({ stream: 'pull_complete',\n success: false, reason, });\n });\n break;\n case 'enqueue':\n assert(this.streamControllers[data.streamId],\n 'enqueue should have stream controller');\n if (!this.streamControllers[data.streamId].isClosed) {\n this.streamControllers[data.streamId].controller.enqueue(data.chunk);\n }\n break;\n case 'close':\n assert(this.streamControllers[data.streamId],\n 'close should have stream controller');\n if (this.streamControllers[data.streamId].isClosed) {\n break;\n }\n this.streamControllers[data.streamId].isClosed = true;\n this.streamControllers[data.streamId].controller.close();\n deleteStreamController();\n break;\n case 'error':\n assert(this.streamControllers[data.streamId],\n 'error should have stream controller');\n this.streamControllers[data.streamId].controller.\n error(wrapReason(data.reason));\n deleteStreamController();\n break;\n case 'cancel_complete':\n resolveOrReject(this.streamControllers[data.streamId].cancelCall,\n data.success, wrapReason(data.reason));\n deleteStreamController();\n break;\n case 'cancel':\n if (!this.streamSinks[data.streamId]) {\n break;\n }\n resolveCall(this.streamSinks[data.streamId].onCancel,\n [wrapReason(data.reason)]).then(() => {\n sendStreamResponse({ stream: 'cancel_complete', success: true, });\n }, (reason) => {\n sendStreamResponse({ stream: 'cancel_complete',\n success: false, reason, });\n });\n this.streamSinks[data.streamId].sinkCapability.\n reject(wrapReason(data.reason));\n this.streamSinks[data.streamId].isCancelled = true;\n delete this.streamSinks[data.streamId];\n break;\n default:\n throw new Error('Unexpected stream case');\n }\n },\n\n /**\n * Sends raw message to the comObj.\n * @private\n * @param {Object} message - Raw message.\n * @param transfers List of transfers/ArrayBuffers, or undefined.\n */\n postMessage(message, transfers) {\n if (transfers && this.postMessageTransfers) {\n this.comObj.postMessage(message, transfers);\n } else {\n this.comObj.postMessage(message);\n }\n },\n\n destroy() {\n this.comObj.removeEventListener('message', this._onComObjOnMessage);\n },\n};\n\nfunction loadJpegStream(id, imageUrl, objs) {\n var img = new Image();\n img.onload = (function loadJpegStream_onloadClosure() {\n objs.resolve(id, img);\n });\n img.onerror = (function loadJpegStream_onerrorClosure() {\n objs.resolve(id, null);\n warn('Error during JPEG image loading');\n });\n img.src = imageUrl;\n}\n\nexport {\n FONT_IDENTITY_MATRIX,\n IDENTITY_MATRIX,\n OPS,\n VERBOSITY_LEVELS,\n UNSUPPORTED_FEATURES,\n AnnotationBorderStyleType,\n AnnotationFieldFlag,\n AnnotationFlag,\n AnnotationType,\n FontType,\n ImageKind,\n CMapCompressionType,\n AbortException,\n InvalidPDFException,\n MessageHandler,\n MissingDataException,\n MissingPDFException,\n NativeImageDecoding,\n NotImplementedException,\n PageViewport,\n PasswordException,\n PasswordResponses,\n StatTimer,\n StreamType,\n TextRenderingMode,\n UnexpectedResponseException,\n UnknownErrorException,\n Util,\n XRefParseException,\n FormatError,\n arrayByteLength,\n arraysToBytes,\n assert,\n bytesToString,\n createBlob,\n createPromiseCapability,\n createObjectURL,\n deprecated,\n getLookupTableFactory,\n getVerbosityLevel,\n globalScope,\n info,\n isArray,\n isArrayBuffer,\n isBool,\n isEmptyObj,\n isInt,\n isNum,\n isString,\n isSpace,\n isNodeJS,\n isSameOrigin,\n createValidAbsoluteUrl,\n isLittleEndian,\n isEvalSupported,\n loadJpegStream,\n log2,\n readInt8,\n readUint16,\n readUint32,\n removeNullCharacters,\n ReadableStream,\n setVerbosityLevel,\n shadow,\n string32,\n stringToBytes,\n stringToPDFString,\n stringToUTF8String,\n utf8StringToString,\n warn,\n unreachable,\n};\n\n\n\n// WEBPACK FOOTER //\n// src/shared/util.js","/* Copyright 2015 Mozilla Foundation\n *\n * Licensed under the Apache License, Version 2.0 (the \"License\");\n * you may not use this file except in compliance with the License.\n * You may obtain a copy of the License at\n *\n * http://www.apache.org/licenses/LICENSE-2.0\n *\n * Unless required by applicable law or agreed to in writing, software\n * distributed under the License is distributed on an \"AS IS\" BASIS,\n * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.\n * See the License for the specific language governing permissions and\n * limitations under the License.\n */\n\nimport {\n CMapCompressionType, createValidAbsoluteUrl, deprecated, globalScope,\n removeNullCharacters, stringToBytes, warn\n} from '../shared/util';\n\nvar DEFAULT_LINK_REL = 'noopener noreferrer nofollow';\n\nclass DOMCanvasFactory {\n create(width, height) {\n if (width <= 0 || height <= 0) {\n throw new Error('invalid canvas size');\n }\n let canvas = document.createElement('canvas');\n let context = canvas.getContext('2d');\n canvas.width = width;\n canvas.height = height;\n return {\n canvas,\n context,\n };\n }\n\n reset(canvasAndContext, width, height) {\n if (!canvasAndContext.canvas) {\n throw new Error('canvas is not specified');\n }\n if (width <= 0 || height <= 0) {\n throw new Error('invalid canvas size');\n }\n canvasAndContext.canvas.width = width;\n canvasAndContext.canvas.height = height;\n }\n\n destroy(canvasAndContext) {\n if (!canvasAndContext.canvas) {\n throw new Error('canvas is not specified');\n }\n // Zeroing the width and height cause Firefox to release graphics\n // resources immediately, which can greatly reduce memory consumption.\n canvasAndContext.canvas.width = 0;\n canvasAndContext.canvas.height = 0;\n canvasAndContext.canvas = null;\n canvasAndContext.context = null;\n }\n}\n\nclass DOMCMapReaderFactory {\n constructor({ baseUrl = null, isCompressed = false, }) {\n this.baseUrl = baseUrl;\n this.isCompressed = isCompressed;\n }\n\n fetch({ name, }) {\n if (!name) {\n return Promise.reject(new Error('CMap name must be specified.'));\n }\n return new Promise((resolve, reject) => {\n let url = this.baseUrl + name + (this.isCompressed ? '.bcmap' : '');\n\n let request = new XMLHttpRequest();\n request.open('GET', url, true);\n\n if (this.isCompressed) {\n request.responseType = 'arraybuffer';\n }\n request.onreadystatechange = () => {\n if (request.readyState !== XMLHttpRequest.DONE) {\n return;\n }\n if (request.status === 200 || request.status === 0) {\n let data;\n if (this.isCompressed && request.response) {\n data = new Uint8Array(request.response);\n } else if (!this.isCompressed && request.responseText) {\n data = stringToBytes(request.responseText);\n }\n if (data) {\n resolve({\n cMapData: data,\n compressionType: this.isCompressed ?\n CMapCompressionType.BINARY : CMapCompressionType.NONE,\n });\n return;\n }\n }\n reject(new Error('Unable to load ' +\n (this.isCompressed ? 'binary ' : '') +\n 'CMap at: ' + url));\n };\n\n request.send(null);\n });\n }\n}\n\n/**\n * Optimised CSS custom property getter/setter.\n * @class\n */\nvar CustomStyle = (function CustomStyleClosure() {\n\n // As noted on: http://www.zachstronaut.com/posts/2009/02/17/\n // animate-css-transforms-firefox-webkit.html\n // in some versions of IE9 it is critical that ms appear in this list\n // before Moz\n var prefixes = ['ms', 'Moz', 'Webkit', 'O'];\n var _cache = Object.create(null);\n\n function CustomStyle() {}\n\n CustomStyle.getProp = function get(propName, element) {\n // check cache only when no element is given\n if (arguments.length === 1 && typeof _cache[propName] === 'string') {\n return _cache[propName];\n }\n\n element = element || document.documentElement;\n var style = element.style, prefixed, uPropName;\n\n // test standard property first\n if (typeof style[propName] === 'string') {\n return (_cache[propName] = propName);\n }\n\n // capitalize\n uPropName = propName.charAt(0).toUpperCase() + propName.slice(1);\n\n // test vendor specific properties\n for (var i = 0, l = prefixes.length; i < l; i++) {\n prefixed = prefixes[i] + uPropName;\n if (typeof style[prefixed] === 'string') {\n return (_cache[propName] = prefixed);\n }\n }\n\n // If all fails then set to undefined.\n return (_cache[propName] = 'undefined');\n };\n\n CustomStyle.setProp = function set(propName, element, str) {\n var prop = this.getProp(propName);\n if (prop !== 'undefined') {\n element.style[prop] = str;\n }\n };\n\n return CustomStyle;\n})();\n\nvar RenderingCancelledException = (function RenderingCancelledException() {\n function RenderingCancelledException(msg, type) {\n this.message = msg;\n this.type = type;\n }\n\n RenderingCancelledException.prototype = new Error();\n RenderingCancelledException.prototype.name = 'RenderingCancelledException';\n RenderingCancelledException.constructor = RenderingCancelledException;\n\n return RenderingCancelledException;\n})();\n\nvar LinkTarget = {\n NONE: 0, // Default value.\n SELF: 1,\n BLANK: 2,\n PARENT: 3,\n TOP: 4,\n};\n\nvar LinkTargetStringMap = [\n '',\n '_self',\n '_blank',\n '_parent',\n '_top'\n];\n\n/**\n * @typedef ExternalLinkParameters\n * @typedef {Object} ExternalLinkParameters\n * @property {string} url - An absolute URL.\n * @property {LinkTarget} target - The link target.\n * @property {string} rel - The link relationship.\n */\n\n/**\n * Adds various attributes (href, title, target, rel) to hyperlinks.\n * @param {HTMLLinkElement} link - The link element.\n * @param {ExternalLinkParameters} params\n */\nfunction addLinkAttributes(link, params) {\n var url = params && params.url;\n link.href = link.title = (url ? removeNullCharacters(url) : '');\n\n if (url) {\n var target = params.target;\n if (typeof target === 'undefined') {\n target = getDefaultSetting('externalLinkTarget');\n }\n link.target = LinkTargetStringMap[target];\n\n var rel = params.rel;\n if (typeof rel === 'undefined') {\n rel = getDefaultSetting('externalLinkRel');\n }\n link.rel = rel;\n }\n}\n\n// Gets the file name from a given URL.\nfunction getFilenameFromUrl(url) {\n var anchor = url.indexOf('#');\n var query = url.indexOf('?');\n var end = Math.min(\n anchor > 0 ? anchor : url.length,\n query > 0 ? query : url.length);\n return url.substring(url.lastIndexOf('/', end) + 1, end);\n}\n\nfunction getDefaultSetting(id) {\n // The list of the settings and their default is maintained for backward\n // compatibility and shall not be extended or modified. See also global.js.\n var globalSettings = globalScope.PDFJS;\n switch (id) {\n case 'pdfBug':\n return globalSettings ? globalSettings.pdfBug : false;\n case 'disableAutoFetch':\n return globalSettings ? globalSettings.disableAutoFetch : false;\n case 'disableStream':\n return globalSettings ? globalSettings.disableStream : false;\n case 'disableRange':\n return globalSettings ? globalSettings.disableRange : false;\n case 'disableFontFace':\n return globalSettings ? globalSettings.disableFontFace : false;\n case 'disableCreateObjectURL':\n return globalSettings ? globalSettings.disableCreateObjectURL : false;\n case 'disableWebGL':\n return globalSettings ? globalSettings.disableWebGL : true;\n case 'cMapUrl':\n return globalSettings ? globalSettings.cMapUrl : null;\n case 'cMapPacked':\n return globalSettings ? globalSettings.cMapPacked : false;\n case 'postMessageTransfers':\n return globalSettings ? globalSettings.postMessageTransfers : true;\n case 'workerPort':\n return globalSettings ? globalSettings.workerPort : null;\n case 'workerSrc':\n return globalSettings ? globalSettings.workerSrc : null;\n case 'disableWorker':\n return globalSettings ? globalSettings.disableWorker : false;\n case 'maxImageSize':\n return globalSettings ? globalSettings.maxImageSize : -1;\n case 'imageResourcesPath':\n return globalSettings ? globalSettings.imageResourcesPath : '';\n case 'isEvalSupported':\n return globalSettings ? globalSettings.isEvalSupported : true;\n case 'externalLinkTarget':\n if (!globalSettings) {\n return LinkTarget.NONE;\n }\n switch (globalSettings.externalLinkTarget) {\n case LinkTarget.NONE:\n case LinkTarget.SELF:\n case LinkTarget.BLANK:\n case LinkTarget.PARENT:\n case LinkTarget.TOP:\n return globalSettings.externalLinkTarget;\n }\n warn('PDFJS.externalLinkTarget is invalid: ' +\n globalSettings.externalLinkTarget);\n // Reset the external link target, to suppress further warnings.\n globalSettings.externalLinkTarget = LinkTarget.NONE;\n return LinkTarget.NONE;\n case 'externalLinkRel':\n return globalSettings ? globalSettings.externalLinkRel : DEFAULT_LINK_REL;\n case 'enableStats':\n return !!(globalSettings && globalSettings.enableStats);\n case 'pdfjsNext':\n return !!(globalSettings && globalSettings.pdfjsNext);\n default:\n throw new Error('Unknown default setting: ' + id);\n }\n}\n\nfunction isExternalLinkTargetSet() {\n var externalLinkTarget = getDefaultSetting('externalLinkTarget');\n switch (externalLinkTarget) {\n case LinkTarget.NONE:\n return false;\n case LinkTarget.SELF:\n case LinkTarget.BLANK:\n case LinkTarget.PARENT:\n case LinkTarget.TOP:\n return true;\n }\n}\n\nfunction isValidUrl(url, allowRelative) {\n deprecated('isValidUrl(), please use createValidAbsoluteUrl() instead.');\n var baseUrl = allowRelative ? 'http://example.com' : null;\n return createValidAbsoluteUrl(url, baseUrl) !== null;\n}\n\nexport {\n CustomStyle,\n RenderingCancelledException,\n addLinkAttributes,\n isExternalLinkTargetSet,\n isValidUrl,\n getFilenameFromUrl,\n LinkTarget,\n getDefaultSetting,\n DEFAULT_LINK_REL,\n DOMCanvasFactory,\n DOMCMapReaderFactory,\n};\n\n\n\n// WEBPACK FOOTER //\n// src/display/dom_utils.js","/* Copyright 2012 Mozilla Foundation\n *\n * Licensed under the Apache License, Version 2.0 (the \"License\");\n * you may not use this file except in compliance with the License.\n * You may obtain a copy of the License at\n *\n * http://www.apache.org/licenses/LICENSE-2.0\n *\n * Unless required by applicable law or agreed to in writing, software\n * distributed under the License is distributed on an \"AS IS\" BASIS,\n * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.\n * See the License for the specific language governing permissions and\n * limitations under the License.\n */\n/* globals requirejs, __non_webpack_require__ */\n\nimport {\n assert, createPromiseCapability, deprecated, getVerbosityLevel, globalScope,\n info, InvalidPDFException, isArray, isArrayBuffer, isInt, isSameOrigin,\n loadJpegStream, MessageHandler, MissingPDFException, NativeImageDecoding,\n PageViewport, PasswordException, StatTimer, stringToBytes,\n UnexpectedResponseException, UnknownErrorException, Util, warn\n} from '../shared/util';\nimport {\n DOMCanvasFactory, DOMCMapReaderFactory, getDefaultSetting,\n RenderingCancelledException\n} from './dom_utils';\nimport { FontFaceObject, FontLoader } from './font_loader';\nimport { CanvasGraphics } from './canvas';\nimport { Metadata } from './metadata';\nimport { PDFDataTransportStream } from './transport_stream';\n\nvar DEFAULT_RANGE_CHUNK_SIZE = 65536; // 2^16 = 65536\n\nvar isWorkerDisabled = false;\nvar workerSrc;\nvar isPostMessageTransfersDisabled = false;\n\nvar pdfjsFilePath =\n typeof PDFJSDev !== 'undefined' &&\n PDFJSDev.test('PRODUCTION && !(MOZCENTRAL || FIREFOX)') &&\n typeof document !== 'undefined' && document.currentScript ?\n document.currentScript.src : null;\n\nvar fakeWorkerFilesLoader = null;\nvar useRequireEnsure = false;\nif (typeof PDFJSDev !== 'undefined' &&\n PDFJSDev.test('GENERIC && !SINGLE_FILE')) {\n // For GENERIC build we need add support of different fake file loaders\n // for different frameworks.\n if (typeof window === 'undefined') {\n // node.js - disable worker and set require.ensure.\n isWorkerDisabled = true;\n if (typeof __non_webpack_require__.ensure === 'undefined') {\n __non_webpack_require__.ensure = __non_webpack_require__('node-ensure');\n }\n useRequireEnsure = true;\n } else if (typeof __non_webpack_require__ !== 'undefined' &&\n typeof __non_webpack_require__.ensure === 'function') {\n useRequireEnsure = true;\n }\n if (typeof requirejs !== 'undefined' && requirejs.toUrl) {\n workerSrc = requirejs.toUrl('pdfjs-dist/build/pdf.worker.js');\n }\n var dynamicLoaderSupported =\n typeof requirejs !== 'undefined' && requirejs.load;\n fakeWorkerFilesLoader = useRequireEnsure ? (function (callback) {\n __non_webpack_require__.ensure([], function () {\n var worker;\n if (typeof PDFJSDev !== 'undefined' && PDFJSDev.test('LIB')) {\n worker = __non_webpack_require__('../pdf.worker.js');\n } else {\n worker = __non_webpack_require__('./pdf.worker.js');\n }\n callback(worker.WorkerMessageHandler);\n });\n }) : dynamicLoaderSupported ? (function (callback) {\n requirejs(['pdfjs-dist/build/pdf.worker'], function (worker) {\n callback(worker.WorkerMessageHandler);\n });\n }) : null;\n}\n\n/** @type IPDFStream */\nvar PDFNetworkStream;\n\n/**\n * Sets PDFNetworkStream class to be used as alternative PDF data transport.\n * @param {IPDFStream} cls - the PDF data transport.\n */\nfunction setPDFNetworkStreamClass(cls) {\n PDFNetworkStream = cls;\n}\n\n/**\n * Document initialization / loading parameters object.\n *\n * @typedef {Object} DocumentInitParameters\n * @property {string} url - The URL of the PDF.\n * @property {TypedArray|Array|string} data - Binary PDF data. Use typed arrays\n * (Uint8Array) to improve the memory usage. If PDF data is BASE64-encoded,\n * use atob() to convert it to a binary string first.\n * @property {Object} httpHeaders - Basic authentication headers.\n * @property {boolean} withCredentials - Indicates whether or not cross-site\n * Access-Control requests should be made using credentials such as cookies\n * or authorization headers. The default is false.\n * @property {string} password - For decrypting password-protected PDFs.\n * @property {TypedArray} initialData - A typed array with the first portion or\n * all of the pdf data. Used by the extension since some data is already\n * loaded before the switch to range requests.\n * @property {number} length - The PDF file length. It's used for progress\n * reports and range requests operations.\n * @property {PDFDataRangeTransport} range\n * @property {number} rangeChunkSize - Optional parameter to specify\n * maximum number of bytes fetched per range request. The default value is\n * 2^16 = 65536.\n * @property {PDFWorker} worker - The worker that will be used for the loading\n * and parsing of the PDF data.\n * @property {string} docBaseUrl - (optional) The base URL of the document,\n * used when attempting to recover valid absolute URLs for annotations, and\n * outline items, that (incorrectly) only specify relative URLs.\n * @property {boolean} disableNativeImageDecoder - (deprecated) Disable decoding\n * of certain (simple) JPEG images in the browser. This is useful for\n * environments without DOM image support, such as e.g. Node.js.\n * The default value is `false`.\n * @property {string} nativeImageDecoderSupport - (optional) Strategy for\n * decoding certain (simple) JPEG images in the browser. This is useful for\n * environments without DOM image and canvas support, such as e.g. Node.js.\n * Valid values are 'decode', 'display' or 'none'; where 'decode' is intended\n * for browsers with full image/canvas support, 'display' for environments\n * with limited image support through stubs (useful for SVG conversion),\n * and 'none' where JPEG images will be decoded entirely by PDF.js.\n * The default value is 'decode'.\n * @property {Object} CMapReaderFactory - (optional) The factory that will be\n * used when reading built-in CMap files. Providing a custom factory is useful\n * for environments without `XMLHttpRequest` support, such as e.g. Node.js.\n * The default value is {DOMCMapReaderFactory}.\n * @property {boolean} stopAtErrors - (optional) Reject certain promises, e.g.\n * `getOperatorList`, `getTextContent`, and `RenderTask`, when the associated\n * PDF data cannot be successfully parsed, instead of attempting to recover\n * whatever possible of the data. The default value is `false`.\n */\n\n/**\n * @typedef {Object} PDFDocumentStats\n * @property {Array} streamTypes - Used stream types in the document (an item\n * is set to true if specific stream ID was used in the document).\n * @property {Array} fontTypes - Used font type in the document (an item is set\n * to true if specific font ID was used in the document).\n */\n\n/**\n * This is the main entry point for loading a PDF and interacting with it.\n * NOTE: If a URL is used to fetch the PDF data a standard XMLHttpRequest(XHR)\n * is used, which means it must follow the same origin rules that any XHR does\n * e.g. No cross domain requests without CORS.\n *\n * @param {string|TypedArray|DocumentInitParameters|PDFDataRangeTransport} src\n * Can be a url to where a PDF is located, a typed array (Uint8Array)\n * already populated with data or parameter object.\n *\n * @param {PDFDataRangeTransport} pdfDataRangeTransport (deprecated) It is used\n * if you want to manually serve range requests for data in the PDF.\n *\n * @param {function} passwordCallback (deprecated) It is used to request a\n * password if wrong or no password was provided. The callback receives two\n * parameters: function that needs to be called with new password and reason\n * (see {PasswordResponses}).\n *\n * @param {function} progressCallback (deprecated) It is used to be able to\n * monitor the loading progress of the PDF file (necessary to implement e.g.\n * a loading bar). The callback receives an {Object} with the properties:\n * {number} loaded and {number} total.\n *\n * @return {PDFDocumentLoadingTask}\n */\nfunction getDocument(src, pdfDataRangeTransport,\n passwordCallback, progressCallback) {\n var task = new PDFDocumentLoadingTask();\n\n // Support of the obsolete arguments (for compatibility with API v1.0)\n if (arguments.length > 1) {\n deprecated('getDocument is called with pdfDataRangeTransport, ' +\n 'passwordCallback or progressCallback argument');\n }\n if (pdfDataRangeTransport) {\n if (!(pdfDataRangeTransport instanceof PDFDataRangeTransport)) {\n // Not a PDFDataRangeTransport instance, trying to add missing properties.\n pdfDataRangeTransport = Object.create(pdfDataRangeTransport);\n pdfDataRangeTransport.length = src.length;\n pdfDataRangeTransport.initialData = src.initialData;\n if (!pdfDataRangeTransport.abort) {\n pdfDataRangeTransport.abort = function () {};\n }\n }\n src = Object.create(src);\n src.range = pdfDataRangeTransport;\n }\n task.onPassword = passwordCallback || null;\n task.onProgress = progressCallback || null;\n\n var source;\n if (typeof src === 'string') {\n source = { url: src, };\n } else if (isArrayBuffer(src)) {\n source = { data: src, };\n } else if (src instanceof PDFDataRangeTransport) {\n source = { range: src, };\n } else {\n if (typeof src !== 'object') {\n throw new Error('Invalid parameter in getDocument, ' +\n 'need either Uint8Array, string or a parameter object');\n }\n if (!src.url && !src.data && !src.range) {\n throw new Error(\n 'Invalid parameter object: need either .data, .range or .url');\n }\n\n source = src;\n }\n\n var params = {};\n var rangeTransport = null;\n var worker = null;\n var CMapReaderFactory = DOMCMapReaderFactory;\n\n for (var key in source) {\n if (key === 'url' && typeof window !== 'undefined') {\n // The full path is required in the 'url' field.\n params[key] = new URL(source[key], window.location).href;\n continue;\n } else if (key === 'range') {\n rangeTransport = source[key];\n continue;\n } else if (key === 'worker') {\n worker = source[key];\n continue;\n } else if (key === 'data' && !(source[key] instanceof Uint8Array)) {\n // Converting string or array-like data to Uint8Array.\n var pdfBytes = source[key];\n if (typeof pdfBytes === 'string') {\n params[key] = stringToBytes(pdfBytes);\n } else if (typeof pdfBytes === 'object' && pdfBytes !== null &&\n !isNaN(pdfBytes.length)) {\n params[key] = new Uint8Array(pdfBytes);\n } else if (isArrayBuffer(pdfBytes)) {\n params[key] = new Uint8Array(pdfBytes);\n } else {\n throw new Error('Invalid PDF binary data: either typed array, ' +\n 'string or array-like object is expected in the ' +\n 'data property.');\n }\n continue;\n } else if (key === 'CMapReaderFactory') {\n CMapReaderFactory = source[key];\n continue;\n }\n params[key] = source[key];\n }\n\n params.rangeChunkSize = params.rangeChunkSize || DEFAULT_RANGE_CHUNK_SIZE;\n params.ignoreErrors = params.stopAtErrors !== true;\n\n if (params.disableNativeImageDecoder !== undefined) {\n deprecated('parameter disableNativeImageDecoder, ' +\n 'use nativeImageDecoderSupport instead');\n }\n params.nativeImageDecoderSupport = params.nativeImageDecoderSupport ||\n (params.disableNativeImageDecoder === true ? NativeImageDecoding.NONE :\n NativeImageDecoding.DECODE);\n if (params.nativeImageDecoderSupport !== NativeImageDecoding.DECODE &&\n params.nativeImageDecoderSupport !== NativeImageDecoding.NONE &&\n params.nativeImageDecoderSupport !== NativeImageDecoding.DISPLAY) {\n warn('Invalid parameter nativeImageDecoderSupport: ' +\n 'need a state of enum {NativeImageDecoding}');\n params.nativeImageDecoderSupport = NativeImageDecoding.DECODE;\n }\n\n if (!worker) {\n // Worker was not provided -- creating and owning our own. If message port\n // is specified in global settings, using it.\n var workerPort = getDefaultSetting('workerPort');\n worker = workerPort ? PDFWorker.fromPort(workerPort) : new PDFWorker();\n task._worker = worker;\n }\n var docId = task.docId;\n worker.promise.then(function () {\n if (task.destroyed) {\n throw new Error('Loading aborted');\n }\n return _fetchDocument(worker, params, rangeTransport, docId).then(\n function (workerId) {\n if (task.destroyed) {\n throw new Error('Loading aborted');\n }\n\n let networkStream;\n if (rangeTransport) {\n networkStream = new PDFDataTransportStream(params, rangeTransport);\n } else if (!params.data) {\n networkStream = new PDFNetworkStream({\n source: params,\n disableRange: getDefaultSetting('disableRange'),\n });\n }\n\n var messageHandler = new MessageHandler(docId, workerId, worker.port);\n messageHandler.postMessageTransfers = worker.postMessageTransfers;\n var transport = new WorkerTransport(messageHandler, task, networkStream,\n CMapReaderFactory);\n task._transport = transport;\n messageHandler.send('Ready', null);\n });\n }).catch(task._capability.reject);\n\n return task;\n}\n\n/**\n * Starts fetching of specified PDF document/data.\n * @param {PDFWorker} worker\n * @param {Object} source\n * @param {PDFDataRangeTransport} pdfDataRangeTransport\n * @param {string} docId Unique document id, used as MessageHandler id.\n * @returns {Promise} The promise, which is resolved when worker id of\n * MessageHandler is known.\n * @private\n */\nfunction _fetchDocument(worker, source, pdfDataRangeTransport, docId) {\n if (worker.destroyed) {\n return Promise.reject(new Error('Worker was destroyed'));\n }\n\n source.disableAutoFetch = getDefaultSetting('disableAutoFetch');\n source.disableStream = getDefaultSetting('disableStream');\n source.chunkedViewerLoading = !!pdfDataRangeTransport;\n if (pdfDataRangeTransport) {\n source.length = pdfDataRangeTransport.length;\n source.initialData = pdfDataRangeTransport.initialData;\n }\n return worker.messageHandler.sendWithPromise('GetDocRequest', {\n docId,\n source: {\n data: source.data,\n url: source.url,\n password: source.password,\n disableAutoFetch: source.disableAutoFetch,\n rangeChunkSize: source.rangeChunkSize,\n length: source.length,\n },\n maxImageSize: getDefaultSetting('maxImageSize'),\n disableFontFace: getDefaultSetting('disableFontFace'),\n disableCreateObjectURL: getDefaultSetting('disableCreateObjectURL'),\n postMessageTransfers: getDefaultSetting('postMessageTransfers') &&\n !isPostMessageTransfersDisabled,\n docBaseUrl: source.docBaseUrl,\n nativeImageDecoderSupport: source.nativeImageDecoderSupport,\n ignoreErrors: source.ignoreErrors,\n }).then(function (workerId) {\n if (worker.destroyed) {\n throw new Error('Worker was destroyed');\n }\n return workerId;\n });\n}\n\n/**\n * PDF document loading operation.\n * @class\n * @alias PDFDocumentLoadingTask\n */\nvar PDFDocumentLoadingTask = (function PDFDocumentLoadingTaskClosure() {\n var nextDocumentId = 0;\n\n /** @constructs PDFDocumentLoadingTask */\n function PDFDocumentLoadingTask() {\n this._capability = createPromiseCapability();\n this._transport = null;\n this._worker = null;\n\n /**\n * Unique document loading task id -- used in MessageHandlers.\n * @type {string}\n */\n this.docId = 'd' + (nextDocumentId++);\n\n /**\n * Shows if loading task is destroyed.\n * @type {boolean}\n */\n this.destroyed = false;\n\n /**\n * Callback to request a password if wrong or no password was provided.\n * The callback receives two parameters: function that needs to be called\n * with new password and reason (see {PasswordResponses}).\n */\n this.onPassword = null;\n\n /**\n * Callback to be able to monitor the loading progress of the PDF file\n * (necessary to implement e.g. a loading bar). The callback receives\n * an {Object} with the properties: {number} loaded and {number} total.\n */\n this.onProgress = null;\n\n /**\n * Callback to when unsupported feature is used. The callback receives\n * an {UNSUPPORTED_FEATURES} argument.\n */\n this.onUnsupportedFeature = null;\n }\n\n PDFDocumentLoadingTask.prototype =\n /** @lends PDFDocumentLoadingTask.prototype */ {\n /**\n * @return {Promise}\n */\n get promise() {\n return this._capability.promise;\n },\n\n /**\n * Aborts all network requests and destroys worker.\n * @return {Promise} A promise that is resolved after destruction activity\n * is completed.\n */\n destroy() {\n this.destroyed = true;\n\n var transportDestroyed = !this._transport ? Promise.resolve() :\n this._transport.destroy();\n return transportDestroyed.then(() => {\n this._transport = null;\n if (this._worker) {\n this._worker.destroy();\n this._worker = null;\n }\n });\n },\n\n /**\n * Registers callbacks to indicate the document loading completion.\n *\n * @param {function} onFulfilled The callback for the loading completion.\n * @param {function} onRejected The callback for the loading failure.\n * @return {Promise} A promise that is resolved after the onFulfilled or\n * onRejected callback.\n */\n then: function PDFDocumentLoadingTask_then(onFulfilled, onRejected) {\n return this.promise.then.apply(this.promise, arguments);\n },\n };\n\n return PDFDocumentLoadingTask;\n})();\n\n/**\n * Abstract class to support range requests file loading.\n * @class\n * @alias PDFDataRangeTransport\n * @param {number} length\n * @param {Uint8Array} initialData\n */\nvar PDFDataRangeTransport = (function pdfDataRangeTransportClosure() {\n function PDFDataRangeTransport(length, initialData) {\n this.length = length;\n this.initialData = initialData;\n\n this._rangeListeners = [];\n this._progressListeners = [];\n this._progressiveReadListeners = [];\n this._readyCapability = createPromiseCapability();\n }\n PDFDataRangeTransport.prototype =\n /** @lends PDFDataRangeTransport.prototype */ {\n addRangeListener:\n function PDFDataRangeTransport_addRangeListener(listener) {\n this._rangeListeners.push(listener);\n },\n\n addProgressListener:\n function PDFDataRangeTransport_addProgressListener(listener) {\n this._progressListeners.push(listener);\n },\n\n addProgressiveReadListener:\n function PDFDataRangeTransport_addProgressiveReadListener(listener) {\n this._progressiveReadListeners.push(listener);\n },\n\n onDataRange: function PDFDataRangeTransport_onDataRange(begin, chunk) {\n var listeners = this._rangeListeners;\n for (var i = 0, n = listeners.length; i < n; ++i) {\n listeners[i](begin, chunk);\n }\n },\n\n onDataProgress: function PDFDataRangeTransport_onDataProgress(loaded) {\n this._readyCapability.promise.then(() => {\n var listeners = this._progressListeners;\n for (var i = 0, n = listeners.length; i < n; ++i) {\n listeners[i](loaded);\n }\n });\n },\n\n onDataProgressiveRead:\n function PDFDataRangeTransport_onDataProgress(chunk) {\n this._readyCapability.promise.then(() => {\n var listeners = this._progressiveReadListeners;\n for (var i = 0, n = listeners.length; i < n; ++i) {\n listeners[i](chunk);\n }\n });\n },\n\n transportReady: function PDFDataRangeTransport_transportReady() {\n this._readyCapability.resolve();\n },\n\n requestDataRange:\n function PDFDataRangeTransport_requestDataRange(begin, end) {\n throw new Error('Abstract method PDFDataRangeTransport.requestDataRange');\n },\n\n abort: function PDFDataRangeTransport_abort() {\n },\n };\n return PDFDataRangeTransport;\n})();\n\n/**\n * Proxy to a PDFDocument in the worker thread. Also, contains commonly used\n * properties that can be read synchronously.\n * @class\n * @alias PDFDocumentProxy\n */\nvar PDFDocumentProxy = (function PDFDocumentProxyClosure() {\n function PDFDocumentProxy(pdfInfo, transport, loadingTask) {\n this.pdfInfo = pdfInfo;\n this.transport = transport;\n this.loadingTask = loadingTask;\n }\n PDFDocumentProxy.prototype = /** @lends PDFDocumentProxy.prototype */ {\n /**\n * @return {number} Total number of pages the PDF contains.\n */\n get numPages() {\n return this.pdfInfo.numPages;\n },\n /**\n * @return {string} A unique ID to identify a PDF. Not guaranteed to be\n * unique.\n */\n get fingerprint() {\n return this.pdfInfo.fingerprint;\n },\n /**\n * @param {number} pageNumber The page number to get. The first page is 1.\n * @return {Promise} A promise that is resolved with a {@link PDFPageProxy}\n * object.\n */\n getPage: function PDFDocumentProxy_getPage(pageNumber) {\n return this.transport.getPage(pageNumber);\n },\n /**\n * @param {{num: number, gen: number}} ref The page reference. Must have\n * the 'num' and 'gen' properties.\n * @return {Promise} A promise that is resolved with the page index that is\n * associated with the reference.\n */\n getPageIndex: function PDFDocumentProxy_getPageIndex(ref) {\n return this.transport.getPageIndex(ref);\n },\n /**\n * @return {Promise} A promise that is resolved with a lookup table for\n * mapping named destinations to reference numbers.\n *\n * This can be slow for large documents: use getDestination instead\n */\n getDestinations: function PDFDocumentProxy_getDestinations() {\n return this.transport.getDestinations();\n },\n /**\n * @param {string} id The named destination to get.\n * @return {Promise} A promise that is resolved with all information\n * of the given named destination.\n */\n getDestination: function PDFDocumentProxy_getDestination(id) {\n return this.transport.getDestination(id);\n },\n /**\n * @return {Promise} A promise that is resolved with:\n * an Array containing the pageLabels that correspond to the pageIndexes,\n * or `null` when no pageLabels are present in the PDF file.\n */\n getPageLabels: function PDFDocumentProxy_getPageLabels() {\n return this.transport.getPageLabels();\n },\n /**\n * @return {Promise} A promise that is resolved with a {string} containing\n * the PageMode name.\n */\n getPageMode() {\n return this.transport.getPageMode();\n },\n /**\n * @return {Promise} A promise that is resolved with a lookup table for\n * mapping named attachments to their content.\n */\n getAttachments: function PDFDocumentProxy_getAttachments() {\n return this.transport.getAttachments();\n },\n /**\n * @return {Promise} A promise that is resolved with an array of all the\n * JavaScript strings in the name tree.\n */\n getJavaScript: function PDFDocumentProxy_getJavaScript() {\n return this.transport.getJavaScript();\n },\n /**\n * @return {Promise} A promise that is resolved with an {Array} that is a\n * tree outline (if it has one) of the PDF. The tree is in the format of:\n * [\n * {\n * title: string,\n * bold: boolean,\n * italic: boolean,\n * color: rgb Uint8Array,\n * dest: dest obj,\n * url: string,\n * items: array of more items like this\n * },\n * ...\n * ].\n */\n getOutline: function PDFDocumentProxy_getOutline() {\n return this.transport.getOutline();\n },\n /**\n * @return {Promise} A promise that is resolved with an {Object} that has\n * info and metadata properties. Info is an {Object} filled with anything\n * available in the information dictionary and similarly metadata is a\n * {Metadata} object with information from the metadata section of the PDF.\n */\n getMetadata: function PDFDocumentProxy_getMetadata() {\n return this.transport.getMetadata();\n },\n /**\n * @return {Promise} A promise that is resolved with a TypedArray that has\n * the raw data from the PDF.\n */\n getData: function PDFDocumentProxy_getData() {\n return this.transport.getData();\n },\n /**\n * @return {Promise} A promise that is resolved when the document's data\n * is loaded. It is resolved with an {Object} that contains the length\n * property that indicates size of the PDF data in bytes.\n */\n getDownloadInfo: function PDFDocumentProxy_getDownloadInfo() {\n return this.transport.downloadInfoCapability.promise;\n },\n /**\n * @return {Promise} A promise this is resolved with current stats about\n * document structures (see {@link PDFDocumentStats}).\n */\n getStats: function PDFDocumentProxy_getStats() {\n return this.transport.getStats();\n },\n /**\n * Cleans up resources allocated by the document, e.g. created @font-face.\n */\n cleanup: function PDFDocumentProxy_cleanup() {\n this.transport.startCleanup();\n },\n /**\n * Destroys current document instance and terminates worker.\n */\n destroy: function PDFDocumentProxy_destroy() {\n return this.loadingTask.destroy();\n },\n };\n return PDFDocumentProxy;\n})();\n\n/**\n * Page getTextContent parameters.\n *\n * @typedef {Object} getTextContentParameters\n * @property {boolean} normalizeWhitespace - replaces all occurrences of\n * whitespace with standard spaces (0x20). The default value is `false`.\n * @property {boolean} disableCombineTextItems - do not attempt to combine\n * same line {@link TextItem}'s. The default value is `false`.\n */\n\n/**\n * Page text content.\n *\n * @typedef {Object} TextContent\n * @property {array} items - array of {@link TextItem}\n * @property {Object} styles - {@link TextStyles} objects, indexed by font name.\n */\n\n/**\n * Page text content part.\n *\n * @typedef {Object} TextItem\n * @property {string} str - text content.\n * @property {string} dir - text direction: 'ttb', 'ltr' or 'rtl'.\n * @property {array} transform - transformation matrix.\n * @property {number} width - width in device space.\n * @property {number} height - height in device space.\n * @property {string} fontName - font name used by pdf.js for converted font.\n */\n\n/**\n * Text style.\n *\n * @typedef {Object} TextStyle\n * @property {number} ascent - font ascent.\n * @property {number} descent - font descent.\n * @property {boolean} vertical - text is in vertical mode.\n * @property {string} fontFamily - possible font family\n */\n\n/**\n * Page annotation parameters.\n *\n * @typedef {Object} GetAnnotationsParameters\n * @property {string} intent - Determines the annotations that will be fetched,\n * can be either 'display' (viewable annotations) or 'print'\n * (printable annotations).\n * If the parameter is omitted, all annotations are fetched.\n */\n\n/**\n * Page render parameters.\n *\n * @typedef {Object} RenderParameters\n * @property {Object} canvasContext - A 2D context of a DOM Canvas object.\n * @property {PageViewport} viewport - Rendering viewport obtained by\n * calling of PDFPage.getViewport method.\n * @property {string} intent - Rendering intent, can be 'display' or 'print'\n * (default value is 'display').\n * @property {boolean} renderInteractiveForms - (optional) Whether or not\n * interactive form elements are rendered in the display\n * layer. If so, we do not render them on canvas as well.\n * @property {Array} transform - (optional) Additional transform, applied\n * just before viewport transform.\n * @property {Object} imageLayer - (optional) An object that has beginLayout,\n * endLayout and appendImage functions.\n * @property {function} continueCallback - (deprecated) A function that will be\n * called each time the rendering is paused. To continue\n * rendering call the function that is the first argument\n * to the callback.\n * @property {Object} canvasFactory - (optional) The factory that will be used\n * when creating canvases. The default value is\n * {DOMCanvasFactory}.\n * @property {Object} background - (optional) Background to use for the canvas.\n * Can use any valid canvas.fillStyle: A DOMString parsed as\n * CSS value, a CanvasGradient object (a linear or\n * radial gradient) or a CanvasPattern object (a repetitive\n * image). The default value is 'rgb(255,255,255)'.\n */\n\n/**\n * PDF page operator list.\n *\n * @typedef {Object} PDFOperatorList\n * @property {Array} fnArray - Array containing the operator functions.\n * @property {Array} argsArray - Array containing the arguments of the\n * functions.\n */\n\n/**\n * Proxy to a PDFPage in the worker thread.\n * @class\n * @alias PDFPageProxy\n */\nvar PDFPageProxy = (function PDFPageProxyClosure() {\n function PDFPageProxy(pageIndex, pageInfo, transport) {\n this.pageIndex = pageIndex;\n this.pageInfo = pageInfo;\n this.transport = transport;\n this.stats = new StatTimer();\n this.stats.enabled = getDefaultSetting('enableStats');\n this.commonObjs = transport.commonObjs;\n this.objs = new PDFObjects();\n this.cleanupAfterRender = false;\n this.pendingCleanup = false;\n this.intentStates = Object.create(null);\n this.destroyed = false;\n }\n PDFPageProxy.prototype = /** @lends PDFPageProxy.prototype */ {\n /**\n * @return {number} Page number of the page. First page is 1.\n */\n get pageNumber() {\n return this.pageIndex + 1;\n },\n /**\n * @return {number} The number of degrees the page is rotated clockwise.\n */\n get rotate() {\n return this.pageInfo.rotate;\n },\n /**\n * @return {Object} The reference that points to this page. It has 'num' and\n * 'gen' properties.\n */\n get ref() {\n return this.pageInfo.ref;\n },\n /**\n * @return {number} The default size of units in 1/72nds of an inch.\n */\n get userUnit() {\n return this.pageInfo.userUnit;\n },\n /**\n * @return {Array} An array of the visible portion of the PDF page in the\n * user space units - [x1, y1, x2, y2].\n */\n get view() {\n return this.pageInfo.view;\n },\n /**\n * @param {number} scale The desired scale of the viewport.\n * @param {number} rotate Degrees to rotate the viewport. If omitted this\n * defaults to the page rotation.\n * @return {PageViewport} Contains 'width' and 'height' properties\n * along with transforms required for rendering.\n */\n getViewport: function PDFPageProxy_getViewport(scale, rotate) {\n if (arguments.length < 2) {\n rotate = this.rotate;\n }\n return new PageViewport(this.view, scale, rotate, 0, 0);\n },\n /**\n * @param {GetAnnotationsParameters} params - Annotation parameters.\n * @return {Promise} A promise that is resolved with an {Array} of the\n * annotation objects.\n */\n getAnnotations: function PDFPageProxy_getAnnotations(params) {\n var intent = (params && params.intent) || null;\n\n if (!this.annotationsPromise || this.annotationsIntent !== intent) {\n this.annotationsPromise = this.transport.getAnnotations(this.pageIndex,\n intent);\n this.annotationsIntent = intent;\n }\n return this.annotationsPromise;\n },\n /**\n * Begins the process of rendering a page to the desired context.\n * @param {RenderParameters} params Page render parameters.\n * @return {RenderTask} An object that contains the promise, which\n * is resolved when the page finishes rendering.\n */\n render: function PDFPageProxy_render(params) {\n var stats = this.stats;\n stats.time('Overall');\n\n // If there was a pending destroy cancel it so no cleanup happens during\n // this call to render.\n this.pendingCleanup = false;\n\n var renderingIntent = (params.intent === 'print' ? 'print' : 'display');\n var canvasFactory = params.canvasFactory || new DOMCanvasFactory();\n\n if (!this.intentStates[renderingIntent]) {\n this.intentStates[renderingIntent] = Object.create(null);\n }\n var intentState = this.intentStates[renderingIntent];\n\n // If there's no displayReadyCapability yet, then the operatorList\n // was never requested before. Make the request and create the promise.\n if (!intentState.displayReadyCapability) {\n intentState.receivingOperatorList = true;\n intentState.displayReadyCapability = createPromiseCapability();\n intentState.operatorList = {\n fnArray: [],\n argsArray: [],\n lastChunk: false,\n };\n\n this.stats.time('Page Request');\n this.transport.messageHandler.send('RenderPageRequest', {\n pageIndex: this.pageNumber - 1,\n intent: renderingIntent,\n renderInteractiveForms: (params.renderInteractiveForms === true),\n });\n }\n\n var complete = (error) => {\n var i = intentState.renderTasks.indexOf(internalRenderTask);\n if (i >= 0) {\n intentState.renderTasks.splice(i, 1);\n }\n\n if (this.cleanupAfterRender) {\n this.pendingCleanup = true;\n }\n this._tryCleanup();\n\n if (error) {\n internalRenderTask.capability.reject(error);\n } else {\n internalRenderTask.capability.resolve();\n }\n stats.timeEnd('Rendering');\n stats.timeEnd('Overall');\n };\n\n var internalRenderTask = new InternalRenderTask(complete, params,\n this.objs,\n this.commonObjs,\n intentState.operatorList,\n this.pageNumber,\n canvasFactory);\n internalRenderTask.useRequestAnimationFrame = renderingIntent !== 'print';\n if (!intentState.renderTasks) {\n intentState.renderTasks = [];\n }\n intentState.renderTasks.push(internalRenderTask);\n var renderTask = internalRenderTask.task;\n\n // Obsolete parameter support\n if (params.continueCallback) {\n deprecated('render is used with continueCallback parameter');\n renderTask.onContinue = params.continueCallback;\n }\n\n intentState.displayReadyCapability.promise.then((transparency) => {\n if (this.pendingCleanup) {\n complete();\n return;\n }\n stats.time('Rendering');\n internalRenderTask.initializeGraphics(transparency);\n internalRenderTask.operatorListChanged();\n }).catch(complete);\n\n return renderTask;\n },\n\n /**\n * @return {Promise} A promise resolved with an {@link PDFOperatorList}\n * object that represents page's operator list.\n */\n getOperatorList: function PDFPageProxy_getOperatorList() {\n function operatorListChanged() {\n if (intentState.operatorList.lastChunk) {\n intentState.opListReadCapability.resolve(intentState.operatorList);\n\n var i = intentState.renderTasks.indexOf(opListTask);\n if (i >= 0) {\n intentState.renderTasks.splice(i, 1);\n }\n }\n }\n\n var renderingIntent = 'oplist';\n if (!this.intentStates[renderingIntent]) {\n this.intentStates[renderingIntent] = Object.create(null);\n }\n var intentState = this.intentStates[renderingIntent];\n var opListTask;\n\n if (!intentState.opListReadCapability) {\n opListTask = {};\n opListTask.operatorListChanged = operatorListChanged;\n intentState.receivingOperatorList = true;\n intentState.opListReadCapability = createPromiseCapability();\n intentState.renderTasks = [];\n intentState.renderTasks.push(opListTask);\n intentState.operatorList = {\n fnArray: [],\n argsArray: [],\n lastChunk: false,\n };\n\n this.transport.messageHandler.send('RenderPageRequest', {\n pageIndex: this.pageIndex,\n intent: renderingIntent,\n });\n }\n return intentState.opListReadCapability.promise;\n },\n\n /**\n * @param {getTextContentParameters} params - getTextContent parameters.\n * @return {ReadableStream} ReadableStream to read textContent chunks.\n */\n streamTextContent(params = {}) {\n const TEXT_CONTENT_CHUNK_SIZE = 100;\n return this.transport.messageHandler.sendWithStream('GetTextContent', {\n pageIndex: this.pageNumber - 1,\n normalizeWhitespace: (params.normalizeWhitespace === true),\n combineTextItems: (params.disableCombineTextItems !== true),\n }, {\n highWaterMark: TEXT_CONTENT_CHUNK_SIZE,\n size(textContent) {\n return textContent.items.length;\n },\n });\n },\n\n /**\n * @param {getTextContentParameters} params - getTextContent parameters.\n * @return {Promise} That is resolved a {@link TextContent}\n * object that represent the page text content.\n */\n getTextContent: function PDFPageProxy_getTextContent(params) {\n params = params || {};\n let readableStream = this.streamTextContent(params);\n\n return new Promise(function(resolve, reject) {\n function pump() {\n reader.read().then(function({ value, done, }) {\n if (done) {\n resolve(textContent);\n return;\n }\n Util.extendObj(textContent.styles, value.styles);\n Util.appendToArray(textContent.items, value.items);\n pump();\n }, reject);\n }\n\n let reader = readableStream.getReader();\n let textContent = {\n items: [],\n styles: Object.create(null),\n };\n\n pump();\n });\n },\n\n /**\n * Destroys page object.\n */\n _destroy: function PDFPageProxy_destroy() {\n this.destroyed = true;\n this.transport.pageCache[this.pageIndex] = null;\n\n var waitOn = [];\n Object.keys(this.intentStates).forEach(function(intent) {\n if (intent === 'oplist') {\n // Avoid errors below, since the renderTasks are just stubs.\n return;\n }\n var intentState = this.intentStates[intent];\n intentState.renderTasks.forEach(function(renderTask) {\n var renderCompleted = renderTask.capability.promise.\n catch(function () {}); // ignoring failures\n waitOn.push(renderCompleted);\n renderTask.cancel();\n });\n }, this);\n this.objs.clear();\n this.annotationsPromise = null;\n this.pendingCleanup = false;\n return Promise.all(waitOn);\n },\n\n /**\n * Cleans up resources allocated by the page. (deprecated)\n */\n destroy() {\n deprecated('page destroy method, use cleanup() instead');\n this.cleanup();\n },\n\n /**\n * Cleans up resources allocated by the page.\n */\n cleanup: function PDFPageProxy_cleanup() {\n this.pendingCleanup = true;\n this._tryCleanup();\n },\n /**\n * For internal use only. Attempts to clean up if rendering is in a state\n * where that's possible.\n * @ignore\n */\n _tryCleanup: function PDFPageProxy_tryCleanup() {\n if (!this.pendingCleanup ||\n Object.keys(this.intentStates).some(function(intent) {\n var intentState = this.intentStates[intent];\n return (intentState.renderTasks.length !== 0 ||\n intentState.receivingOperatorList);\n }, this)) {\n return;\n }\n\n Object.keys(this.intentStates).forEach(function(intent) {\n delete this.intentStates[intent];\n }, this);\n this.objs.clear();\n this.annotationsPromise = null;\n this.pendingCleanup = false;\n },\n /**\n * For internal use only.\n * @ignore\n */\n _startRenderPage: function PDFPageProxy_startRenderPage(transparency,\n intent) {\n var intentState = this.intentStates[intent];\n // TODO Refactor RenderPageRequest to separate rendering\n // and operator list logic\n if (intentState.displayReadyCapability) {\n intentState.displayReadyCapability.resolve(transparency);\n }\n },\n /**\n * For internal use only.\n * @ignore\n */\n _renderPageChunk: function PDFPageProxy_renderPageChunk(operatorListChunk,\n intent) {\n var intentState = this.intentStates[intent];\n var i, ii;\n // Add the new chunk to the current operator list.\n for (i = 0, ii = operatorListChunk.length; i < ii; i++) {\n intentState.operatorList.fnArray.push(operatorListChunk.fnArray[i]);\n intentState.operatorList.argsArray.push(\n operatorListChunk.argsArray[i]);\n }\n intentState.operatorList.lastChunk = operatorListChunk.lastChunk;\n\n // Notify all the rendering tasks there are more operators to be consumed.\n for (i = 0; i < intentState.renderTasks.length; i++) {\n intentState.renderTasks[i].operatorListChanged();\n }\n\n if (operatorListChunk.lastChunk) {\n intentState.receivingOperatorList = false;\n this._tryCleanup();\n }\n },\n };\n return PDFPageProxy;\n})();\n\nclass LoopbackPort {\n constructor(defer) {\n this._listeners = [];\n this._defer = defer;\n this._deferred = Promise.resolve(undefined);\n }\n\n postMessage(obj, transfers) {\n function cloneValue(value) {\n // Trying to perform a structured clone close to the spec, including\n // transfers.\n if (typeof value !== 'object' || value === null) {\n return value;\n }\n if (cloned.has(value)) { // already cloned the object\n return cloned.get(value);\n }\n var result;\n var buffer;\n if ((buffer = value.buffer) && isArrayBuffer(buffer)) {\n // We found object with ArrayBuffer (typed array).\n var transferable = transfers && transfers.indexOf(buffer) >= 0;\n if (value === buffer) {\n // Special case when we are faking typed arrays in compatibility.js.\n result = value;\n } else if (transferable) {\n result = new value.constructor(buffer, value.byteOffset,\n value.byteLength);\n } else {\n result = new value.constructor(value);\n }\n cloned.set(value, result);\n return result;\n }\n result = isArray(value) ? [] : {};\n cloned.set(value, result); // adding to cache now for cyclic references\n // Cloning all value and object properties, however ignoring properties\n // defined via getter.\n for (var i in value) {\n var desc, p = value;\n while (!(desc = Object.getOwnPropertyDescriptor(p, i))) {\n p = Object.getPrototypeOf(p);\n }\n if (typeof desc.value === 'undefined' ||\n typeof desc.value === 'function') {\n continue;\n }\n result[i] = cloneValue(desc.value);\n }\n return result;\n }\n\n if (!this._defer) {\n this._listeners.forEach(function (listener) {\n listener.call(this, { data: obj, });\n }, this);\n return;\n }\n\n var cloned = new WeakMap();\n var e = { data: cloneValue(obj), };\n this._deferred.then(() => {\n this._listeners.forEach(function (listener) {\n listener.call(this, e);\n }, this);\n });\n }\n\n addEventListener(name, listener) {\n this._listeners.push(listener);\n }\n\n removeEventListener(name, listener) {\n var i = this._listeners.indexOf(listener);\n this._listeners.splice(i, 1);\n }\n\n terminate() {\n this._listeners = [];\n }\n}\n\n/**\n * PDF.js web worker abstraction, it controls instantiation of PDF documents and\n * WorkerTransport for them. If creation of a web worker is not possible,\n * a \"fake\" worker will be used instead.\n * @class\n */\nvar PDFWorker = (function PDFWorkerClosure() {\n let nextFakeWorkerId = 0;\n\n function getWorkerSrc() {\n if (typeof workerSrc !== 'undefined') {\n return workerSrc;\n }\n if (getDefaultSetting('workerSrc')) {\n return getDefaultSetting('workerSrc');\n }\n if (typeof PDFJSDev !== 'undefined' &&\n PDFJSDev.test('PRODUCTION && !(MOZCENTRAL || FIREFOX)') &&\n pdfjsFilePath) {\n return pdfjsFilePath.replace(/(\\.(?:min\\.)?js)(\\?.*)?$/i, '.worker$1$2');\n }\n throw new Error('No PDFJS.workerSrc specified');\n }\n\n let fakeWorkerFilesLoadedCapability;\n\n // Loads worker code into main thread.\n function setupFakeWorkerGlobal() {\n var WorkerMessageHandler;\n if (fakeWorkerFilesLoadedCapability) {\n return fakeWorkerFilesLoadedCapability.promise;\n }\n fakeWorkerFilesLoadedCapability = createPromiseCapability();\n // In the developer build load worker_loader which in turn loads all the\n // other files and resolves the promise. In production only the\n // pdf.worker.js file is needed.\n if (typeof PDFJSDev === 'undefined' || !PDFJSDev.test('PRODUCTION')) {\n if (typeof SystemJS === 'object') {\n SystemJS.import('pdfjs/core/worker').then((worker) => {\n WorkerMessageHandler = worker.WorkerMessageHandler;\n fakeWorkerFilesLoadedCapability.resolve(WorkerMessageHandler);\n });\n } else if (typeof require === 'function') {\n var worker = require('../core/worker.js');\n WorkerMessageHandler = worker.WorkerMessageHandler;\n fakeWorkerFilesLoadedCapability.resolve(WorkerMessageHandler);\n } else {\n throw new Error(\n 'SystemJS or CommonJS must be used to load fake worker.');\n }\n } else if (PDFJSDev.test('SINGLE_FILE')) {\n var pdfjsCoreWorker = require('../core/worker.js');\n WorkerMessageHandler = pdfjsCoreWorker.WorkerMessageHandler;\n fakeWorkerFilesLoadedCapability.resolve(WorkerMessageHandler);\n } else {\n var loader = fakeWorkerFilesLoader || function (callback) {\n Util.loadScript(getWorkerSrc(), function () {\n callback(window.pdfjsDistBuildPdfWorker.WorkerMessageHandler);\n });\n };\n loader(fakeWorkerFilesLoadedCapability.resolve);\n }\n return fakeWorkerFilesLoadedCapability.promise;\n }\n\n function createCDNWrapper(url) {\n // We will rely on blob URL's property to specify origin.\n // We want this function to fail in case if createObjectURL or Blob do not\n // exist or fail for some reason -- our Worker creation will fail anyway.\n var wrapper = 'importScripts(\\'' + url + '\\');';\n return URL.createObjectURL(new Blob([wrapper]));\n }\n\n let pdfWorkerPorts = new WeakMap();\n\n function PDFWorker(name, port) {\n if (port && pdfWorkerPorts.has(port)) {\n throw new Error('Cannot use more than one PDFWorker per port');\n }\n\n this.name = name;\n this.destroyed = false;\n this.postMessageTransfers = true;\n\n this._readyCapability = createPromiseCapability();\n this._port = null;\n this._webWorker = null;\n this._messageHandler = null;\n\n if (port) {\n pdfWorkerPorts.set(port, this);\n this._initializeFromPort(port);\n return;\n }\n\n this._initialize();\n }\n\n PDFWorker.prototype = /** @lends PDFWorker.prototype */ {\n get promise() {\n return this._readyCapability.promise;\n },\n\n get port() {\n return this._port;\n },\n\n get messageHandler() {\n return this._messageHandler;\n },\n\n _initializeFromPort: function PDFWorker_initializeFromPort(port) {\n this._port = port;\n this._messageHandler = new MessageHandler('main', 'worker', port);\n this._messageHandler.on('ready', function () {\n // Ignoring 'ready' event -- MessageHandler shall be already initialized\n // and ready to accept the messages.\n });\n this._readyCapability.resolve();\n },\n\n _initialize: function PDFWorker_initialize() {\n // If worker support isn't disabled explicit and the browser has worker\n // support, create a new web worker and test if it/the browser fulfills\n // all requirements to run parts of pdf.js in a web worker.\n // Right now, the requirement is, that an Uint8Array is still an\n // Uint8Array as it arrives on the worker. (Chrome added this with v.15.)\n if ((typeof PDFJSDev === 'undefined' || !PDFJSDev.test('SINGLE_FILE')) &&\n !isWorkerDisabled && !getDefaultSetting('disableWorker') &&\n typeof Worker !== 'undefined') {\n var workerSrc = getWorkerSrc();\n\n try {\n // Wraps workerSrc path into blob URL, if the former does not belong\n // to the same origin.\n if (typeof PDFJSDev !== 'undefined' && PDFJSDev.test('GENERIC') &&\n !isSameOrigin(window.location.href, workerSrc)) {\n workerSrc = createCDNWrapper(\n new URL(workerSrc, window.location).href);\n }\n\n // Some versions of FF can't create a worker on localhost, see:\n // https://bugzilla.mozilla.org/show_bug.cgi?id=683280\n var worker = new Worker(workerSrc);\n var messageHandler = new MessageHandler('main', 'worker', worker);\n var terminateEarly = () => {\n worker.removeEventListener('error', onWorkerError);\n messageHandler.destroy();\n worker.terminate();\n if (this.destroyed) {\n this._readyCapability.reject(new Error('Worker was destroyed'));\n } else {\n // Fall back to fake worker if the termination is caused by an\n // error (e.g. NetworkError / SecurityError).\n this._setupFakeWorker();\n }\n };\n\n var onWorkerError = () => {\n if (!this._webWorker) {\n // Worker failed to initialize due to an error. Clean up and fall\n // back to the fake worker.\n terminateEarly();\n }\n };\n worker.addEventListener('error', onWorkerError);\n\n messageHandler.on('test', (data) => {\n worker.removeEventListener('error', onWorkerError);\n if (this.destroyed) {\n terminateEarly();\n return; // worker was destroyed\n }\n var supportTypedArray = data && data.supportTypedArray;\n if (supportTypedArray) {\n this._messageHandler = messageHandler;\n this._port = worker;\n this._webWorker = worker;\n if (!data.supportTransfers) {\n this.postMessageTransfers = false;\n isPostMessageTransfersDisabled = true;\n }\n this._readyCapability.resolve();\n // Send global setting, e.g. verbosity level.\n messageHandler.send('configure', {\n verbosity: getVerbosityLevel(),\n });\n } else {\n this._setupFakeWorker();\n messageHandler.destroy();\n worker.terminate();\n }\n });\n\n messageHandler.on('console_log', function (data) {\n console.log.apply(console, data);\n });\n messageHandler.on('console_error', function (data) {\n console.error.apply(console, data);\n });\n\n messageHandler.on('ready', (data) => {\n worker.removeEventListener('error', onWorkerError);\n if (this.destroyed) {\n terminateEarly();\n return; // worker was destroyed\n }\n try {\n sendTest();\n } catch (e) {\n // We need fallback to a faked worker.\n this._setupFakeWorker();\n }\n });\n\n var sendTest = function () {\n var postMessageTransfers =\n getDefaultSetting('postMessageTransfers') &&\n !isPostMessageTransfersDisabled;\n var testObj = new Uint8Array([postMessageTransfers ? 255 : 0]);\n // Some versions of Opera throw a DATA_CLONE_ERR on serializing the\n // typed array. Also, checking if we can use transfers.\n try {\n messageHandler.send('test', testObj, [testObj.buffer]);\n } catch (ex) {\n info('Cannot use postMessage transfers');\n testObj[0] = 0;\n messageHandler.send('test', testObj);\n }\n };\n\n // It might take time for worker to initialize (especially when AMD\n // loader is used). We will try to send test immediately, and then\n // when 'ready' message will arrive. The worker shall process only\n // first received 'test'.\n sendTest();\n return;\n } catch (e) {\n info('The worker has been disabled.');\n }\n }\n // Either workers are disabled, not supported or have thrown an exception.\n // Thus, we fallback to a faked worker.\n this._setupFakeWorker();\n },\n\n _setupFakeWorker: function PDFWorker_setupFakeWorker() {\n if (!isWorkerDisabled && !getDefaultSetting('disableWorker')) {\n warn('Setting up fake worker.');\n isWorkerDisabled = true;\n }\n\n setupFakeWorkerGlobal().then((WorkerMessageHandler) => {\n if (this.destroyed) {\n this._readyCapability.reject(new Error('Worker was destroyed'));\n return;\n }\n\n // We cannot turn on proper fake port simulation (this includes\n // structured cloning) when typed arrays are not supported. Relying\n // on a chance that messages will be sent in proper order.\n var isTypedArraysPresent = Uint8Array !== Float32Array;\n var port = new LoopbackPort(isTypedArraysPresent);\n this._port = port;\n\n // All fake workers use the same port, making id unique.\n var id = 'fake' + (nextFakeWorkerId++);\n\n // If the main thread is our worker, setup the handling for the\n // messages -- the main thread sends to it self.\n var workerHandler = new MessageHandler(id + '_worker', id, port);\n WorkerMessageHandler.setup(workerHandler, port);\n\n var messageHandler = new MessageHandler(id, id + '_worker', port);\n this._messageHandler = messageHandler;\n this._readyCapability.resolve();\n });\n },\n\n /**\n * Destroys the worker instance.\n */\n destroy: function PDFWorker_destroy() {\n this.destroyed = true;\n if (this._webWorker) {\n // We need to terminate only web worker created resource.\n this._webWorker.terminate();\n this._webWorker = null;\n }\n pdfWorkerPorts.delete(this._port);\n this._port = null;\n if (this._messageHandler) {\n this._messageHandler.destroy();\n this._messageHandler = null;\n }\n },\n };\n\n PDFWorker.fromPort = function (port) {\n if (pdfWorkerPorts.has(port)) {\n return pdfWorkerPorts.get(port);\n }\n return new PDFWorker(null, port);\n };\n\n return PDFWorker;\n})();\n\n/**\n * For internal use only.\n * @ignore\n */\nvar WorkerTransport = (function WorkerTransportClosure() {\n function WorkerTransport(messageHandler, loadingTask, networkStream,\n CMapReaderFactory) {\n this.messageHandler = messageHandler;\n this.loadingTask = loadingTask;\n this.commonObjs = new PDFObjects();\n this.fontLoader = new FontLoader(loadingTask.docId);\n this.CMapReaderFactory = new CMapReaderFactory({\n baseUrl: getDefaultSetting('cMapUrl'),\n isCompressed: getDefaultSetting('cMapPacked'),\n });\n\n this.destroyed = false;\n this.destroyCapability = null;\n this._passwordCapability = null;\n\n this._networkStream = networkStream;\n this._fullReader = null;\n this._lastProgress = null;\n\n this.pageCache = [];\n this.pagePromises = [];\n this.downloadInfoCapability = createPromiseCapability();\n\n this.setupMessageHandler();\n }\n WorkerTransport.prototype = {\n destroy: function WorkerTransport_destroy() {\n if (this.destroyCapability) {\n return this.destroyCapability.promise;\n }\n\n this.destroyed = true;\n this.destroyCapability = createPromiseCapability();\n\n if (this._passwordCapability) {\n this._passwordCapability.reject(\n new Error('Worker was destroyed during onPassword callback'));\n }\n\n var waitOn = [];\n // We need to wait for all renderings to be completed, e.g.\n // timeout/rAF can take a long time.\n this.pageCache.forEach(function (page) {\n if (page) {\n waitOn.push(page._destroy());\n }\n });\n this.pageCache = [];\n this.pagePromises = [];\n // We also need to wait for the worker to finish its long running tasks.\n var terminated = this.messageHandler.sendWithPromise('Terminate', null);\n waitOn.push(terminated);\n Promise.all(waitOn).then(() => {\n this.fontLoader.clear();\n if (this._networkStream) {\n this._networkStream.cancelAllRequests();\n }\n\n if (this.messageHandler) {\n this.messageHandler.destroy();\n this.messageHandler = null;\n }\n this.destroyCapability.resolve();\n }, this.destroyCapability.reject);\n return this.destroyCapability.promise;\n },\n\n setupMessageHandler: function WorkerTransport_setupMessageHandler() {\n var messageHandler = this.messageHandler;\n var loadingTask = this.loadingTask;\n\n messageHandler.on('GetReader', function(data, sink) {\n assert(this._networkStream);\n this._fullReader = this._networkStream.getFullReader();\n this._fullReader.onProgress = (evt) => {\n this._lastProgress = {\n loaded: evt.loaded,\n total: evt.total,\n };\n };\n sink.onPull = () => {\n this._fullReader.read().then(function({ value, done, }) {\n if (done) {\n sink.close();\n return;\n }\n assert(isArrayBuffer(value));\n // Enqueue data chunk into sink, and transfer it\n // to other side as `Transferable` object.\n sink.enqueue(new Uint8Array(value), 1, [value]);\n }).catch((reason) => {\n sink.error(reason);\n });\n };\n\n sink.onCancel = (reason) => {\n this._fullReader.cancel(reason);\n };\n }, this);\n\n messageHandler.on('ReaderHeadersReady', function(data) {\n let headersCapability = createPromiseCapability();\n let fullReader = this._fullReader;\n fullReader.headersReady.then(() => {\n // If stream or range are disabled, it's our only way to report\n // loading progress.\n if (!fullReader.isStreamingSupported ||\n !fullReader.isRangeSupported) {\n if (this._lastProgress) {\n let loadingTask = this.loadingTask;\n if (loadingTask.onProgress) {\n loadingTask.onProgress(this._lastProgress);\n }\n }\n fullReader.onProgress = (evt) => {\n let loadingTask = this.loadingTask;\n if (loadingTask.onProgress) {\n loadingTask.onProgress({\n loaded: evt.loaded,\n total: evt.total,\n });\n }\n };\n }\n\n headersCapability.resolve({\n isStreamingSupported: fullReader.isStreamingSupported,\n isRangeSupported: fullReader.isRangeSupported,\n contentLength: fullReader.contentLength,\n });\n }, headersCapability.reject);\n\n return headersCapability.promise;\n }, this);\n\n messageHandler.on('GetRangeReader', function(data, sink) {\n assert(this._networkStream);\n let _rangeReader =\n this._networkStream.getRangeReader(data.begin, data.end);\n\n sink.onPull = () => {\n _rangeReader.read().then(function({ value, done, }) {\n if (done) {\n sink.close();\n return;\n }\n assert(isArrayBuffer(value));\n sink.enqueue(new Uint8Array(value), 1, [value]);\n }).catch((reason) => {\n sink.error(reason);\n });\n };\n\n sink.onCancel = (reason) => {\n _rangeReader.cancel(reason);\n };\n }, this);\n\n messageHandler.on('GetDoc', function transportDoc(data) {\n var pdfInfo = data.pdfInfo;\n this.numPages = data.pdfInfo.numPages;\n var loadingTask = this.loadingTask;\n var pdfDocument = new PDFDocumentProxy(pdfInfo, this, loadingTask);\n this.pdfDocument = pdfDocument;\n loadingTask._capability.resolve(pdfDocument);\n }, this);\n\n messageHandler.on('PasswordRequest',\n function transportPasswordRequest(exception) {\n this._passwordCapability = createPromiseCapability();\n\n if (loadingTask.onPassword) {\n var updatePassword = (password) => {\n this._passwordCapability.resolve({\n password,\n });\n };\n loadingTask.onPassword(updatePassword, exception.code);\n } else {\n this._passwordCapability.reject(\n new PasswordException(exception.message, exception.code));\n }\n return this._passwordCapability.promise;\n }, this);\n\n messageHandler.on('PasswordException',\n function transportPasswordException(exception) {\n loadingTask._capability.reject(\n new PasswordException(exception.message, exception.code));\n }, this);\n\n messageHandler.on('InvalidPDF', function transportInvalidPDF(exception) {\n this.loadingTask._capability.reject(\n new InvalidPDFException(exception.message));\n }, this);\n\n messageHandler.on('MissingPDF', function transportMissingPDF(exception) {\n this.loadingTask._capability.reject(\n new MissingPDFException(exception.message));\n }, this);\n\n messageHandler.on('UnexpectedResponse',\n function transportUnexpectedResponse(exception) {\n this.loadingTask._capability.reject(\n new UnexpectedResponseException(exception.message, exception.status));\n }, this);\n\n messageHandler.on('UnknownError',\n function transportUnknownError(exception) {\n this.loadingTask._capability.reject(\n new UnknownErrorException(exception.message, exception.details));\n }, this);\n\n messageHandler.on('DataLoaded', function transportPage(data) {\n this.downloadInfoCapability.resolve(data);\n }, this);\n\n messageHandler.on('PDFManagerReady', function transportPage(data) {\n }, this);\n\n messageHandler.on('StartRenderPage', function transportRender(data) {\n if (this.destroyed) {\n return; // Ignore any pending requests if the worker was terminated.\n }\n var page = this.pageCache[data.pageIndex];\n\n page.stats.timeEnd('Page Request');\n page._startRenderPage(data.transparency, data.intent);\n }, this);\n\n messageHandler.on('RenderPageChunk', function transportRender(data) {\n if (this.destroyed) {\n return; // Ignore any pending requests if the worker was terminated.\n }\n var page = this.pageCache[data.pageIndex];\n\n page._renderPageChunk(data.operatorList, data.intent);\n }, this);\n\n messageHandler.on('commonobj', function transportObj(data) {\n if (this.destroyed) {\n return; // Ignore any pending requests if the worker was terminated.\n }\n\n var id = data[0];\n var type = data[1];\n if (this.commonObjs.hasData(id)) {\n return;\n }\n\n switch (type) {\n case 'Font':\n var exportedData = data[2];\n\n if ('error' in exportedData) {\n var exportedError = exportedData.error;\n warn('Error during font loading: ' + exportedError);\n this.commonObjs.resolve(id, exportedError);\n break;\n }\n var fontRegistry = null;\n if (getDefaultSetting('pdfBug') && globalScope.FontInspector &&\n globalScope['FontInspector'].enabled) {\n fontRegistry = {\n registerFont(font, url) {\n globalScope['FontInspector'].fontAdded(font, url);\n },\n };\n }\n var font = new FontFaceObject(exportedData, {\n isEvalSuported: getDefaultSetting('isEvalSupported'),\n disableFontFace: getDefaultSetting('disableFontFace'),\n fontRegistry,\n });\n var fontReady = (fontObjs) => {\n this.commonObjs.resolve(id, font);\n };\n\n this.fontLoader.bind([font], fontReady);\n break;\n case 'FontPath':\n this.commonObjs.resolve(id, data[2]);\n break;\n default:\n throw new Error(`Got unknown common object type ${type}`);\n }\n }, this);\n\n messageHandler.on('obj', function transportObj(data) {\n if (this.destroyed) {\n return; // Ignore any pending requests if the worker was terminated.\n }\n\n var id = data[0];\n var pageIndex = data[1];\n var type = data[2];\n var pageProxy = this.pageCache[pageIndex];\n var imageData;\n if (pageProxy.objs.hasData(id)) {\n return;\n }\n\n switch (type) {\n case 'JpegStream':\n imageData = data[3];\n loadJpegStream(id, imageData, pageProxy.objs);\n break;\n case 'Image':\n imageData = data[3];\n pageProxy.objs.resolve(id, imageData);\n\n // heuristics that will allow not to store large data\n var MAX_IMAGE_SIZE_TO_STORE = 8000000;\n if (imageData && 'data' in imageData &&\n imageData.data.length > MAX_IMAGE_SIZE_TO_STORE) {\n pageProxy.cleanupAfterRender = true;\n }\n break;\n default:\n throw new Error(`Got unknown object type ${type}`);\n }\n }, this);\n\n messageHandler.on('DocProgress', function transportDocProgress(data) {\n if (this.destroyed) {\n return; // Ignore any pending requests if the worker was terminated.\n }\n\n var loadingTask = this.loadingTask;\n if (loadingTask.onProgress) {\n loadingTask.onProgress({\n loaded: data.loaded,\n total: data.total,\n });\n }\n }, this);\n\n messageHandler.on('PageError', function transportError(data) {\n if (this.destroyed) {\n return; // Ignore any pending requests if the worker was terminated.\n }\n\n var page = this.pageCache[data.pageNum - 1];\n var intentState = page.intentStates[data.intent];\n\n if (intentState.displayReadyCapability) {\n intentState.displayReadyCapability.reject(data.error);\n } else {\n throw new Error(data.error);\n }\n\n if (intentState.operatorList) {\n // Mark operator list as complete.\n intentState.operatorList.lastChunk = true;\n for (var i = 0; i < intentState.renderTasks.length; i++) {\n intentState.renderTasks[i].operatorListChanged();\n }\n }\n }, this);\n\n messageHandler.on('UnsupportedFeature',\n function transportUnsupportedFeature(data) {\n if (this.destroyed) {\n return; // Ignore any pending requests if the worker was terminated.\n }\n var featureId = data.featureId;\n var loadingTask = this.loadingTask;\n if (loadingTask.onUnsupportedFeature) {\n loadingTask.onUnsupportedFeature(featureId);\n }\n _UnsupportedManager.notify(featureId);\n }, this);\n\n messageHandler.on('JpegDecode', function(data) {\n if (this.destroyed) {\n return Promise.reject(new Error('Worker was destroyed'));\n }\n\n if (typeof document === 'undefined') {\n // Make sure that this code is not executing in node.js, as\n // it's using DOM image, and there is no library to support that.\n return Promise.reject(new Error('\"document\" is not defined.'));\n }\n\n var imageUrl = data[0];\n var components = data[1];\n if (components !== 3 && components !== 1) {\n return Promise.reject(\n new Error('Only 3 components or 1 component can be returned'));\n }\n\n return new Promise(function (resolve, reject) {\n var img = new Image();\n img.onload = function () {\n var width = img.width;\n var height = img.height;\n var size = width * height;\n var rgbaLength = size * 4;\n var buf = new Uint8Array(size * components);\n var tmpCanvas = document.createElement('canvas');\n tmpCanvas.width = width;\n tmpCanvas.height = height;\n var tmpCtx = tmpCanvas.getContext('2d');\n tmpCtx.drawImage(img, 0, 0);\n var data = tmpCtx.getImageData(0, 0, width, height).data;\n var i, j;\n\n if (components === 3) {\n for (i = 0, j = 0; i < rgbaLength; i += 4, j += 3) {\n buf[j] = data[i];\n buf[j + 1] = data[i + 1];\n buf[j + 2] = data[i + 2];\n }\n } else if (components === 1) {\n for (i = 0, j = 0; i < rgbaLength; i += 4, j++) {\n buf[j] = data[i];\n }\n }\n resolve({ data: buf, width, height, });\n };\n img.onerror = function () {\n reject(new Error('JpegDecode failed to load image'));\n };\n img.src = imageUrl;\n });\n }, this);\n\n messageHandler.on('FetchBuiltInCMap', function (data) {\n if (this.destroyed) {\n return Promise.reject(new Error('Worker was destroyed'));\n }\n return this.CMapReaderFactory.fetch({\n name: data.name,\n });\n }, this);\n },\n\n getData: function WorkerTransport_getData() {\n return this.messageHandler.sendWithPromise('GetData', null);\n },\n\n getPage: function WorkerTransport_getPage(pageNumber, capability) {\n if (!isInt(pageNumber) || pageNumber <= 0 || pageNumber > this.numPages) {\n return Promise.reject(new Error('Invalid page request'));\n }\n\n var pageIndex = pageNumber - 1;\n if (pageIndex in this.pagePromises) {\n return this.pagePromises[pageIndex];\n }\n var promise = this.messageHandler.sendWithPromise('GetPage', {\n pageIndex,\n }).then((pageInfo) => {\n if (this.destroyed) {\n throw new Error('Transport destroyed');\n }\n var page = new PDFPageProxy(pageIndex, pageInfo, this);\n this.pageCache[pageIndex] = page;\n return page;\n });\n this.pagePromises[pageIndex] = promise;\n return promise;\n },\n\n getPageIndex: function WorkerTransport_getPageIndexByRef(ref) {\n return this.messageHandler.sendWithPromise('GetPageIndex', {\n ref,\n }).catch(function (reason) {\n return Promise.reject(new Error(reason));\n });\n },\n\n getAnnotations: function WorkerTransport_getAnnotations(pageIndex, intent) {\n return this.messageHandler.sendWithPromise('GetAnnotations', {\n pageIndex,\n intent,\n });\n },\n\n getDestinations: function WorkerTransport_getDestinations() {\n return this.messageHandler.sendWithPromise('GetDestinations', null);\n },\n\n getDestination: function WorkerTransport_getDestination(id) {\n return this.messageHandler.sendWithPromise('GetDestination', {\n id,\n });\n },\n\n getPageLabels: function WorkerTransport_getPageLabels() {\n return this.messageHandler.sendWithPromise('GetPageLabels', null);\n },\n\n getPageMode() {\n return this.messageHandler.sendWithPromise('GetPageMode', null);\n },\n\n getAttachments: function WorkerTransport_getAttachments() {\n return this.messageHandler.sendWithPromise('GetAttachments', null);\n },\n\n getJavaScript: function WorkerTransport_getJavaScript() {\n return this.messageHandler.sendWithPromise('GetJavaScript', null);\n },\n\n getOutline: function WorkerTransport_getOutline() {\n return this.messageHandler.sendWithPromise('GetOutline', null);\n },\n\n getMetadata: function WorkerTransport_getMetadata() {\n return this.messageHandler.sendWithPromise('GetMetadata', null).\n then(function transportMetadata(results) {\n return {\n info: results[0],\n metadata: (results[1] ? new Metadata(results[1]) : null),\n };\n });\n },\n\n getStats: function WorkerTransport_getStats() {\n return this.messageHandler.sendWithPromise('GetStats', null);\n },\n\n startCleanup: function WorkerTransport_startCleanup() {\n this.messageHandler.sendWithPromise('Cleanup', null).then(() => {\n for (var i = 0, ii = this.pageCache.length; i < ii; i++) {\n var page = this.pageCache[i];\n if (page) {\n page.cleanup();\n }\n }\n this.commonObjs.clear();\n this.fontLoader.clear();\n });\n },\n };\n return WorkerTransport;\n\n})();\n\n/**\n * A PDF document and page is built of many objects. E.g. there are objects\n * for fonts, images, rendering code and such. These objects might get processed\n * inside of a worker. The `PDFObjects` implements some basic functions to\n * manage these objects.\n * @ignore\n */\nvar PDFObjects = (function PDFObjectsClosure() {\n function PDFObjects() {\n this.objs = Object.create(null);\n }\n\n PDFObjects.prototype = {\n /**\n * Internal function.\n * Ensures there is an object defined for `objId`.\n */\n ensureObj: function PDFObjects_ensureObj(objId) {\n if (this.objs[objId]) {\n return this.objs[objId];\n }\n\n var obj = {\n capability: createPromiseCapability(),\n data: null,\n resolved: false,\n };\n this.objs[objId] = obj;\n\n return obj;\n },\n\n /**\n * If called *without* callback, this returns the data of `objId` but the\n * object needs to be resolved. If it isn't, this function throws.\n *\n * If called *with* a callback, the callback is called with the data of the\n * object once the object is resolved. That means, if you call this\n * function and the object is already resolved, the callback gets called\n * right away.\n */\n get: function PDFObjects_get(objId, callback) {\n // If there is a callback, then the get can be async and the object is\n // not required to be resolved right now\n if (callback) {\n this.ensureObj(objId).capability.promise.then(callback);\n return null;\n }\n\n // If there isn't a callback, the user expects to get the resolved data\n // directly.\n var obj = this.objs[objId];\n\n // If there isn't an object yet or the object isn't resolved, then the\n // data isn't ready yet!\n if (!obj || !obj.resolved) {\n throw new Error(`Requesting object that isn't resolved yet ${objId}`);\n }\n\n return obj.data;\n },\n\n /**\n * Resolves the object `objId` with optional `data`.\n */\n resolve: function PDFObjects_resolve(objId, data) {\n var obj = this.ensureObj(objId);\n\n obj.resolved = true;\n obj.data = data;\n obj.capability.resolve(data);\n },\n\n isResolved: function PDFObjects_isResolved(objId) {\n var objs = this.objs;\n\n if (!objs[objId]) {\n return false;\n }\n return objs[objId].resolved;\n },\n\n hasData: function PDFObjects_hasData(objId) {\n return this.isResolved(objId);\n },\n\n /**\n * Returns the data of `objId` if object exists, null otherwise.\n */\n getData: function PDFObjects_getData(objId) {\n var objs = this.objs;\n if (!objs[objId] || !objs[objId].resolved) {\n return null;\n }\n return objs[objId].data;\n },\n\n clear: function PDFObjects_clear() {\n this.objs = Object.create(null);\n },\n };\n return PDFObjects;\n})();\n\n/**\n * Allows controlling of the rendering tasks.\n * @class\n * @alias RenderTask\n */\nvar RenderTask = (function RenderTaskClosure() {\n function RenderTask(internalRenderTask) {\n this._internalRenderTask = internalRenderTask;\n\n /**\n * Callback for incremental rendering -- a function that will be called\n * each time the rendering is paused. To continue rendering call the\n * function that is the first argument to the callback.\n * @type {function}\n */\n this.onContinue = null;\n }\n\n RenderTask.prototype = /** @lends RenderTask.prototype */ {\n /**\n * Promise for rendering task completion.\n * @return {Promise}\n */\n get promise() {\n return this._internalRenderTask.capability.promise;\n },\n\n /**\n * Cancels the rendering task. If the task is currently rendering it will\n * not be cancelled until graphics pauses with a timeout. The promise that\n * this object extends will be rejected when cancelled.\n */\n cancel: function RenderTask_cancel() {\n this._internalRenderTask.cancel();\n },\n\n /**\n * Registers callbacks to indicate the rendering task completion.\n *\n * @param {function} onFulfilled The callback for the rendering completion.\n * @param {function} onRejected The callback for the rendering failure.\n * @return {Promise} A promise that is resolved after the onFulfilled or\n * onRejected callback.\n */\n then: function RenderTask_then(onFulfilled, onRejected) {\n return this.promise.then.apply(this.promise, arguments);\n },\n };\n\n return RenderTask;\n})();\n\n/**\n * For internal use only.\n * @ignore\n */\nvar InternalRenderTask = (function InternalRenderTaskClosure() {\n let canvasInRendering = new WeakMap();\n\n function InternalRenderTask(callback, params, objs, commonObjs, operatorList,\n pageNumber, canvasFactory) {\n this.callback = callback;\n this.params = params;\n this.objs = objs;\n this.commonObjs = commonObjs;\n this.operatorListIdx = null;\n this.operatorList = operatorList;\n this.pageNumber = pageNumber;\n this.canvasFactory = canvasFactory;\n this.running = false;\n this.graphicsReadyCallback = null;\n this.graphicsReady = false;\n this.useRequestAnimationFrame = false;\n this.cancelled = false;\n this.capability = createPromiseCapability();\n this.task = new RenderTask(this);\n // caching this-bound methods\n this._continueBound = this._continue.bind(this);\n this._scheduleNextBound = this._scheduleNext.bind(this);\n this._nextBound = this._next.bind(this);\n this._canvas = params.canvasContext.canvas;\n }\n\n InternalRenderTask.prototype = {\n\n initializeGraphics:\n function InternalRenderTask_initializeGraphics(transparency) {\n\n if (this._canvas) {\n if (canvasInRendering.has(this._canvas)) {\n throw new Error(\n 'Cannot use the same canvas during multiple render() operations. ' +\n 'Use different canvas or ensure previous operations were ' +\n 'cancelled or completed.');\n }\n canvasInRendering.set(this._canvas, this);\n }\n\n if (this.cancelled) {\n return;\n }\n if (getDefaultSetting('pdfBug') && globalScope.StepperManager &&\n globalScope.StepperManager.enabled) {\n this.stepper = globalScope.StepperManager.create(this.pageNumber - 1);\n this.stepper.init(this.operatorList);\n this.stepper.nextBreakPoint = this.stepper.getNextBreakPoint();\n }\n\n var params = this.params;\n this.gfx = new CanvasGraphics(params.canvasContext, this.commonObjs,\n this.objs, this.canvasFactory,\n params.imageLayer);\n\n this.gfx.beginDrawing({\n transform: params.transform,\n viewport: params.viewport,\n transparency,\n background: params.background,\n });\n this.operatorListIdx = 0;\n this.graphicsReady = true;\n if (this.graphicsReadyCallback) {\n this.graphicsReadyCallback();\n }\n },\n\n cancel: function InternalRenderTask_cancel() {\n this.running = false;\n this.cancelled = true;\n if (this._canvas) {\n canvasInRendering.delete(this._canvas);\n }\n\n if ((typeof PDFJSDev !== 'undefined' && PDFJSDev.test('PDFJS_NEXT')) ||\n getDefaultSetting('pdfjsNext')) {\n this.callback(new RenderingCancelledException(\n 'Rendering cancelled, page ' + this.pageNumber, 'canvas'));\n } else {\n this.callback('cancelled');\n }\n },\n\n operatorListChanged: function InternalRenderTask_operatorListChanged() {\n if (!this.graphicsReady) {\n if (!this.graphicsReadyCallback) {\n this.graphicsReadyCallback = this._continueBound;\n }\n return;\n }\n\n if (this.stepper) {\n this.stepper.updateOperatorList(this.operatorList);\n }\n\n if (this.running) {\n return;\n }\n this._continue();\n },\n\n _continue: function InternalRenderTask__continue() {\n this.running = true;\n if (this.cancelled) {\n return;\n }\n if (this.task.onContinue) {\n this.task.onContinue(this._scheduleNextBound);\n } else {\n this._scheduleNext();\n }\n },\n\n _scheduleNext: function InternalRenderTask__scheduleNext() {\n if (this.useRequestAnimationFrame && typeof window !== 'undefined') {\n window.requestAnimationFrame(this._nextBound);\n } else {\n Promise.resolve(undefined).then(this._nextBound);\n }\n },\n\n _next: function InternalRenderTask__next() {\n if (this.cancelled) {\n return;\n }\n this.operatorListIdx = this.gfx.executeOperatorList(this.operatorList,\n this.operatorListIdx,\n this._continueBound,\n this.stepper);\n if (this.operatorListIdx === this.operatorList.argsArray.length) {\n this.running = false;\n if (this.operatorList.lastChunk) {\n this.gfx.endDrawing();\n if (this._canvas) {\n canvasInRendering.delete(this._canvas);\n }\n this.callback();\n }\n }\n },\n\n };\n\n return InternalRenderTask;\n})();\n\n/**\n * (Deprecated) Global observer of unsupported feature usages. Use\n * onUnsupportedFeature callback of the {PDFDocumentLoadingTask} instance.\n */\nvar _UnsupportedManager = (function UnsupportedManagerClosure() {\n var listeners = [];\n return {\n listen(cb) {\n deprecated('Global UnsupportedManager.listen is used: ' +\n ' use PDFDocumentLoadingTask.onUnsupportedFeature instead');\n listeners.push(cb);\n },\n notify(featureId) {\n for (var i = 0, ii = listeners.length; i < ii; i++) {\n listeners[i](featureId);\n }\n },\n };\n})();\n\nvar version, build;\nif (typeof PDFJSDev !== 'undefined') {\n version = PDFJSDev.eval('BUNDLE_VERSION');\n build = PDFJSDev.eval('BUNDLE_BUILD');\n}\n\nexport {\n getDocument,\n LoopbackPort,\n PDFDataRangeTransport,\n PDFWorker,\n PDFDocumentProxy,\n PDFPageProxy,\n setPDFNetworkStreamClass,\n _UnsupportedManager,\n version,\n build,\n};\n\n\n\n// WEBPACK FOOTER //\n// src/display/api.js","/* Copyright 2014 Mozilla Foundation\n *\n * Licensed under the Apache License, Version 2.0 (the \"License\");\n * you may not use this file except in compliance with the License.\n * You may obtain a copy of the License at\n *\n * http://www.apache.org/licenses/LICENSE-2.0\n *\n * Unless required by applicable law or agreed to in writing, software\n * distributed under the License is distributed on an \"AS IS\" BASIS,\n * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.\n * See the License for the specific language governing permissions and\n * limitations under the License.\n */\n\nimport {\n addLinkAttributes, CustomStyle, getDefaultSetting, getFilenameFromUrl,\n LinkTarget\n} from './dom_utils';\nimport {\n AnnotationBorderStyleType, AnnotationType, stringToPDFString, Util, warn\n} from '../shared/util';\n\n/**\n * @typedef {Object} AnnotationElementParameters\n * @property {Object} data\n * @property {HTMLDivElement} layer\n * @property {PDFPage} page\n * @property {PageViewport} viewport\n * @property {IPDFLinkService} linkService\n * @property {DownloadManager} downloadManager\n * @property {string} imageResourcesPath\n * @property {boolean} renderInteractiveForms\n */\n\n/**\n * @class\n * @alias AnnotationElementFactory\n */\nfunction AnnotationElementFactory() {}\nAnnotationElementFactory.prototype =\n /** @lends AnnotationElementFactory.prototype */ {\n /**\n * @param {AnnotationElementParameters} parameters\n * @returns {AnnotationElement}\n */\n create: function AnnotationElementFactory_create(parameters) {\n var subtype = parameters.data.annotationType;\n\n switch (subtype) {\n case AnnotationType.LINK:\n return new LinkAnnotationElement(parameters);\n\n case AnnotationType.TEXT:\n return new TextAnnotationElement(parameters);\n\n case AnnotationType.WIDGET:\n var fieldType = parameters.data.fieldType;\n\n switch (fieldType) {\n case 'Tx':\n return new TextWidgetAnnotationElement(parameters);\n case 'Btn':\n if (parameters.data.radioButton) {\n return new RadioButtonWidgetAnnotationElement(parameters);\n } else if (parameters.data.checkBox) {\n return new CheckboxWidgetAnnotationElement(parameters);\n }\n warn('Unimplemented button widget annotation: pushbutton');\n break;\n case 'Ch':\n return new ChoiceWidgetAnnotationElement(parameters);\n }\n return new WidgetAnnotationElement(parameters);\n\n case AnnotationType.POPUP:\n return new PopupAnnotationElement(parameters);\n\n case AnnotationType.LINE:\n return new LineAnnotationElement(parameters);\n\n case AnnotationType.HIGHLIGHT:\n return new HighlightAnnotationElement(parameters);\n\n case AnnotationType.UNDERLINE:\n return new UnderlineAnnotationElement(parameters);\n\n case AnnotationType.SQUIGGLY:\n return new SquigglyAnnotationElement(parameters);\n\n case AnnotationType.STRIKEOUT:\n return new StrikeOutAnnotationElement(parameters);\n\n case AnnotationType.FILEATTACHMENT:\n return new FileAttachmentAnnotationElement(parameters);\n\n default:\n return new AnnotationElement(parameters);\n }\n },\n};\n\n/**\n * @class\n * @alias AnnotationElement\n */\nvar AnnotationElement = (function AnnotationElementClosure() {\n function AnnotationElement(parameters, isRenderable, ignoreBorder) {\n this.isRenderable = isRenderable || false;\n this.data = parameters.data;\n this.layer = parameters.layer;\n this.page = parameters.page;\n this.viewport = parameters.viewport;\n this.linkService = parameters.linkService;\n this.downloadManager = parameters.downloadManager;\n this.imageResourcesPath = parameters.imageResourcesPath;\n this.renderInteractiveForms = parameters.renderInteractiveForms;\n\n if (isRenderable) {\n this.container = this._createContainer(ignoreBorder);\n }\n }\n\n AnnotationElement.prototype = /** @lends AnnotationElement.prototype */ {\n /**\n * Create an empty container for the annotation's HTML element.\n *\n * @private\n * @param {boolean} ignoreBorder\n * @memberof AnnotationElement\n * @returns {HTMLSectionElement}\n */\n _createContainer:\n function AnnotationElement_createContainer(ignoreBorder) {\n var data = this.data, page = this.page, viewport = this.viewport;\n var container = document.createElement('section');\n var width = data.rect[2] - data.rect[0];\n var height = data.rect[3] - data.rect[1];\n\n container.setAttribute('data-annotation-id', data.id);\n\n // Do *not* modify `data.rect`, since that will corrupt the annotation\n // position on subsequent calls to `_createContainer` (see issue 6804).\n var rect = Util.normalizeRect([\n data.rect[0],\n page.view[3] - data.rect[1] + page.view[1],\n data.rect[2],\n page.view[3] - data.rect[3] + page.view[1]\n ]);\n\n CustomStyle.setProp('transform', container,\n 'matrix(' + viewport.transform.join(',') + ')');\n CustomStyle.setProp('transformOrigin', container,\n -rect[0] + 'px ' + -rect[1] + 'px');\n\n if (!ignoreBorder && data.borderStyle.width > 0) {\n container.style.borderWidth = data.borderStyle.width + 'px';\n if (data.borderStyle.style !== AnnotationBorderStyleType.UNDERLINE) {\n // Underline styles only have a bottom border, so we do not need\n // to adjust for all borders. This yields a similar result as\n // Adobe Acrobat/Reader.\n width = width - 2 * data.borderStyle.width;\n height = height - 2 * data.borderStyle.width;\n }\n\n var horizontalRadius = data.borderStyle.horizontalCornerRadius;\n var verticalRadius = data.borderStyle.verticalCornerRadius;\n if (horizontalRadius > 0 || verticalRadius > 0) {\n var radius = horizontalRadius + 'px / ' + verticalRadius + 'px';\n CustomStyle.setProp('borderRadius', container, radius);\n }\n\n switch (data.borderStyle.style) {\n case AnnotationBorderStyleType.SOLID:\n container.style.borderStyle = 'solid';\n break;\n\n case AnnotationBorderStyleType.DASHED:\n container.style.borderStyle = 'dashed';\n break;\n\n case AnnotationBorderStyleType.BEVELED:\n warn('Unimplemented border style: beveled');\n break;\n\n case AnnotationBorderStyleType.INSET:\n warn('Unimplemented border style: inset');\n break;\n\n case AnnotationBorderStyleType.UNDERLINE:\n container.style.borderBottomStyle = 'solid';\n break;\n\n default:\n break;\n }\n\n if (data.color) {\n container.style.borderColor =\n Util.makeCssRgb(data.color[0] | 0,\n data.color[1] | 0,\n data.color[2] | 0);\n } else {\n // Transparent (invisible) border, so do not draw it at all.\n container.style.borderWidth = 0;\n }\n }\n\n container.style.left = rect[0] + 'px';\n container.style.top = rect[1] + 'px';\n\n container.style.width = width + 'px';\n container.style.height = height + 'px';\n\n return container;\n },\n\n /**\n * Create a popup for the annotation's HTML element. This is used for\n * annotations that do not have a Popup entry in the dictionary, but\n * are of a type that works with popups (such as Highlight annotations).\n *\n * @private\n * @param {HTMLSectionElement} container\n * @param {HTMLDivElement|HTMLImageElement|null} trigger\n * @param {Object} data\n * @memberof AnnotationElement\n */\n _createPopup:\n function AnnotationElement_createPopup(container, trigger, data) {\n // If no trigger element is specified, create it.\n if (!trigger) {\n trigger = document.createElement('div');\n trigger.style.height = container.style.height;\n trigger.style.width = container.style.width;\n container.appendChild(trigger);\n }\n\n var popupElement = new PopupElement({\n container,\n trigger,\n color: data.color,\n title: data.title,\n contents: data.contents,\n hideWrapper: true,\n });\n var popup = popupElement.render();\n\n // Position the popup next to the annotation's container.\n popup.style.left = container.style.width;\n\n container.appendChild(popup);\n },\n\n /**\n * Render the annotation's HTML element in the empty container.\n *\n * @public\n * @memberof AnnotationElement\n */\n render: function AnnotationElement_render() {\n throw new Error('Abstract method AnnotationElement.render called');\n },\n };\n\n return AnnotationElement;\n})();\n\n/**\n * @class\n * @alias LinkAnnotationElement\n */\nvar LinkAnnotationElement = (function LinkAnnotationElementClosure() {\n function LinkAnnotationElement(parameters) {\n AnnotationElement.call(this, parameters, true);\n }\n\n Util.inherit(LinkAnnotationElement, AnnotationElement, {\n /**\n * Render the link annotation's HTML element in the empty container.\n *\n * @public\n * @memberof LinkAnnotationElement\n * @returns {HTMLSectionElement}\n */\n render: function LinkAnnotationElement_render() {\n this.container.className = 'linkAnnotation';\n\n var link = document.createElement('a');\n addLinkAttributes(link, {\n url: this.data.url,\n target: (this.data.newWindow ? LinkTarget.BLANK : undefined),\n });\n\n if (!this.data.url) {\n if (this.data.action) {\n this._bindNamedAction(link, this.data.action);\n } else {\n this._bindLink(link, this.data.dest);\n }\n }\n\n this.container.appendChild(link);\n return this.container;\n },\n\n /**\n * Bind internal links to the link element.\n *\n * @private\n * @param {Object} link\n * @param {Object} destination\n * @memberof LinkAnnotationElement\n */\n _bindLink(link, destination) {\n link.href = this.linkService.getDestinationHash(destination);\n link.onclick = () => {\n if (destination) {\n this.linkService.navigateTo(destination);\n }\n return false;\n };\n if (destination) {\n link.className = 'internalLink';\n }\n },\n\n /**\n * Bind named actions to the link element.\n *\n * @private\n * @param {Object} link\n * @param {Object} action\n * @memberof LinkAnnotationElement\n */\n _bindNamedAction(link, action) {\n link.href = this.linkService.getAnchorUrl('');\n link.onclick = () => {\n this.linkService.executeNamedAction(action);\n return false;\n };\n link.className = 'internalLink';\n },\n });\n\n return LinkAnnotationElement;\n})();\n\n/**\n * @class\n * @alias TextAnnotationElement\n */\nvar TextAnnotationElement = (function TextAnnotationElementClosure() {\n function TextAnnotationElement(parameters) {\n var isRenderable = !!(parameters.data.hasPopup ||\n parameters.data.title || parameters.data.contents);\n AnnotationElement.call(this, parameters, isRenderable);\n }\n\n Util.inherit(TextAnnotationElement, AnnotationElement, {\n /**\n * Render the text annotation's HTML element in the empty container.\n *\n * @public\n * @memberof TextAnnotationElement\n * @returns {HTMLSectionElement}\n */\n render: function TextAnnotationElement_render() {\n this.container.className = 'textAnnotation';\n\n var image = document.createElement('img');\n image.style.height = this.container.style.height;\n image.style.width = this.container.style.width;\n image.src = this.imageResourcesPath + 'annotation-' +\n this.data.name.toLowerCase() + '.svg';\n image.alt = '[{{type}} Annotation]';\n image.dataset.l10nId = 'text_annotation_type';\n image.dataset.l10nArgs = JSON.stringify({ type: this.data.name, });\n\n if (!this.data.hasPopup) {\n this._createPopup(this.container, image, this.data);\n }\n\n this.container.appendChild(image);\n return this.container;\n },\n });\n\n return TextAnnotationElement;\n})();\n\n/**\n * @class\n * @alias WidgetAnnotationElement\n */\nvar WidgetAnnotationElement = (function WidgetAnnotationElementClosure() {\n function WidgetAnnotationElement(parameters, isRenderable) {\n AnnotationElement.call(this, parameters, isRenderable);\n }\n\n Util.inherit(WidgetAnnotationElement, AnnotationElement, {\n /**\n * Render the widget annotation's HTML element in the empty container.\n *\n * @public\n * @memberof WidgetAnnotationElement\n * @returns {HTMLSectionElement}\n */\n render: function WidgetAnnotationElement_render() {\n // Show only the container for unsupported field types.\n return this.container;\n },\n });\n\n return WidgetAnnotationElement;\n})();\n\n/**\n * @class\n * @alias TextWidgetAnnotationElement\n */\nvar TextWidgetAnnotationElement = (\n function TextWidgetAnnotationElementClosure() {\n var TEXT_ALIGNMENT = ['left', 'center', 'right'];\n\n function TextWidgetAnnotationElement(parameters) {\n var isRenderable = parameters.renderInteractiveForms ||\n (!parameters.data.hasAppearance && !!parameters.data.fieldValue);\n WidgetAnnotationElement.call(this, parameters, isRenderable);\n }\n\n Util.inherit(TextWidgetAnnotationElement, WidgetAnnotationElement, {\n /**\n * Render the text widget annotation's HTML element in the empty container.\n *\n * @public\n * @memberof TextWidgetAnnotationElement\n * @returns {HTMLSectionElement}\n */\n render: function TextWidgetAnnotationElement_render() {\n this.container.className = 'textWidgetAnnotation';\n\n var element = null;\n if (this.renderInteractiveForms) {\n // NOTE: We cannot set the values using `element.value` below, since it\n // prevents the AnnotationLayer rasterizer in `test/driver.js`\n // from parsing the elements correctly for the reference tests.\n if (this.data.multiLine) {\n element = document.createElement('textarea');\n element.textContent = this.data.fieldValue;\n } else {\n element = document.createElement('input');\n element.type = 'text';\n element.setAttribute('value', this.data.fieldValue);\n }\n\n element.disabled = this.data.readOnly;\n\n if (this.data.maxLen !== null) {\n element.maxLength = this.data.maxLen;\n }\n\n if (this.data.comb) {\n var fieldWidth = this.data.rect[2] - this.data.rect[0];\n var combWidth = fieldWidth / this.data.maxLen;\n\n element.classList.add('comb');\n element.style.letterSpacing = 'calc(' + combWidth + 'px - 1ch)';\n }\n } else {\n element = document.createElement('div');\n element.textContent = this.data.fieldValue;\n element.style.verticalAlign = 'middle';\n element.style.display = 'table-cell';\n\n var font = null;\n if (this.data.fontRefName) {\n font = this.page.commonObjs.getData(this.data.fontRefName);\n }\n this._setTextStyle(element, font);\n }\n\n if (this.data.textAlignment !== null) {\n element.style.textAlign = TEXT_ALIGNMENT[this.data.textAlignment];\n }\n\n this.container.appendChild(element);\n return this.container;\n },\n\n /**\n * Apply text styles to the text in the element.\n *\n * @private\n * @param {HTMLDivElement} element\n * @param {Object} font\n * @memberof TextWidgetAnnotationElement\n */\n _setTextStyle:\n function TextWidgetAnnotationElement_setTextStyle(element, font) {\n // TODO: This duplicates some of the logic in CanvasGraphics.setFont().\n var style = element.style;\n style.fontSize = this.data.fontSize + 'px';\n style.direction = (this.data.fontDirection < 0 ? 'rtl' : 'ltr');\n\n if (!font) {\n return;\n }\n\n style.fontWeight = (font.black ?\n (font.bold ? '900' : 'bold') :\n (font.bold ? 'bold' : 'normal'));\n style.fontStyle = (font.italic ? 'italic' : 'normal');\n\n // Use a reasonable default font if the font doesn't specify a fallback.\n var fontFamily = font.loadedName ? '\"' + font.loadedName + '\", ' : '';\n var fallbackName = font.fallbackName || 'Helvetica, sans-serif';\n style.fontFamily = fontFamily + fallbackName;\n },\n });\n\n return TextWidgetAnnotationElement;\n})();\n\n/**\n * @class\n * @alias CheckboxWidgetAnnotationElement\n */\nvar CheckboxWidgetAnnotationElement =\n (function CheckboxWidgetAnnotationElementClosure() {\n function CheckboxWidgetAnnotationElement(parameters) {\n WidgetAnnotationElement.call(this, parameters,\n parameters.renderInteractiveForms);\n }\n\n Util.inherit(CheckboxWidgetAnnotationElement, WidgetAnnotationElement, {\n /**\n * Render the checkbox widget annotation's HTML element\n * in the empty container.\n *\n * @public\n * @memberof CheckboxWidgetAnnotationElement\n * @returns {HTMLSectionElement}\n */\n render: function CheckboxWidgetAnnotationElement_render() {\n this.container.className = 'buttonWidgetAnnotation checkBox';\n\n var element = document.createElement('input');\n element.disabled = this.data.readOnly;\n element.type = 'checkbox';\n if (this.data.fieldValue && this.data.fieldValue !== 'Off') {\n element.setAttribute('checked', true);\n }\n\n this.container.appendChild(element);\n return this.container;\n },\n });\n\n return CheckboxWidgetAnnotationElement;\n})();\n\n/**\n * @class\n * @alias RadioButtonWidgetAnnotationElement\n */\nvar RadioButtonWidgetAnnotationElement =\n (function RadioButtonWidgetAnnotationElementClosure() {\n function RadioButtonWidgetAnnotationElement(parameters) {\n WidgetAnnotationElement.call(this, parameters,\n parameters.renderInteractiveForms);\n }\n\n Util.inherit(RadioButtonWidgetAnnotationElement, WidgetAnnotationElement, {\n /**\n * Render the radio button widget annotation's HTML element\n * in the empty container.\n *\n * @public\n * @memberof RadioButtonWidgetAnnotationElement\n * @returns {HTMLSectionElement}\n */\n render: function RadioButtonWidgetAnnotationElement_render() {\n this.container.className = 'buttonWidgetAnnotation radioButton';\n\n var element = document.createElement('input');\n element.disabled = this.data.readOnly;\n element.type = 'radio';\n element.name = this.data.fieldName;\n if (this.data.fieldValue === this.data.buttonValue) {\n element.setAttribute('checked', true);\n }\n\n this.container.appendChild(element);\n return this.container;\n },\n });\n\n return RadioButtonWidgetAnnotationElement;\n})();\n\n /**\n * @class\n * @alias ChoiceWidgetAnnotationElement\n */\nvar ChoiceWidgetAnnotationElement = (\n function ChoiceWidgetAnnotationElementClosure() {\n function ChoiceWidgetAnnotationElement(parameters) {\n WidgetAnnotationElement.call(this, parameters,\n parameters.renderInteractiveForms);\n }\n\n Util.inherit(ChoiceWidgetAnnotationElement, WidgetAnnotationElement, {\n /**\n * Render the choice widget annotation's HTML element in the empty\n * container.\n *\n * @public\n * @memberof ChoiceWidgetAnnotationElement\n * @returns {HTMLSectionElement}\n */\n render: function ChoiceWidgetAnnotationElement_render() {\n this.container.className = 'choiceWidgetAnnotation';\n\n var selectElement = document.createElement('select');\n selectElement.disabled = this.data.readOnly;\n\n if (!this.data.combo) {\n // List boxes have a size and (optionally) multiple selection.\n selectElement.size = this.data.options.length;\n\n if (this.data.multiSelect) {\n selectElement.multiple = true;\n }\n }\n\n // Insert the options into the choice field.\n for (var i = 0, ii = this.data.options.length; i < ii; i++) {\n var option = this.data.options[i];\n\n var optionElement = document.createElement('option');\n optionElement.textContent = option.displayValue;\n optionElement.value = option.exportValue;\n\n if (this.data.fieldValue.indexOf(option.displayValue) >= 0) {\n optionElement.setAttribute('selected', true);\n }\n\n selectElement.appendChild(optionElement);\n }\n\n this.container.appendChild(selectElement);\n return this.container;\n },\n });\n\n return ChoiceWidgetAnnotationElement;\n})();\n\n/**\n * @class\n * @alias PopupAnnotationElement\n */\nvar PopupAnnotationElement = (function PopupAnnotationElementClosure() {\n // Do not render popup annotations for parent elements with these types as\n // they create the popups themselves (because of custom trigger divs).\n var IGNORE_TYPES = ['Line'];\n\n function PopupAnnotationElement(parameters) {\n var isRenderable = !!(parameters.data.title || parameters.data.contents);\n AnnotationElement.call(this, parameters, isRenderable);\n }\n\n Util.inherit(PopupAnnotationElement, AnnotationElement, {\n /**\n * Render the popup annotation's HTML element in the empty container.\n *\n * @public\n * @memberof PopupAnnotationElement\n * @returns {HTMLSectionElement}\n */\n render: function PopupAnnotationElement_render() {\n this.container.className = 'popupAnnotation';\n\n if (IGNORE_TYPES.indexOf(this.data.parentType) >= 0) {\n return this.container;\n }\n\n var selector = '[data-annotation-id=\"' + this.data.parentId + '\"]';\n var parentElement = this.layer.querySelector(selector);\n if (!parentElement) {\n return this.container;\n }\n\n var popup = new PopupElement({\n container: this.container,\n trigger: parentElement,\n color: this.data.color,\n title: this.data.title,\n contents: this.data.contents,\n });\n\n // Position the popup next to the parent annotation's container.\n // PDF viewers ignore a popup annotation's rectangle.\n var parentLeft = parseFloat(parentElement.style.left);\n var parentWidth = parseFloat(parentElement.style.width);\n CustomStyle.setProp('transformOrigin', this.container,\n -(parentLeft + parentWidth) + 'px -' +\n parentElement.style.top);\n this.container.style.left = (parentLeft + parentWidth) + 'px';\n\n this.container.appendChild(popup.render());\n return this.container;\n },\n });\n\n return PopupAnnotationElement;\n})();\n\n/**\n * @class\n * @alias PopupElement\n */\nvar PopupElement = (function PopupElementClosure() {\n var BACKGROUND_ENLIGHT = 0.7;\n\n function PopupElement(parameters) {\n this.container = parameters.container;\n this.trigger = parameters.trigger;\n this.color = parameters.color;\n this.title = parameters.title;\n this.contents = parameters.contents;\n this.hideWrapper = parameters.hideWrapper || false;\n\n this.pinned = false;\n }\n\n PopupElement.prototype = /** @lends PopupElement.prototype */ {\n /**\n * Render the popup's HTML element.\n *\n * @public\n * @memberof PopupElement\n * @returns {HTMLSectionElement}\n */\n render: function PopupElement_render() {\n var wrapper = document.createElement('div');\n wrapper.className = 'popupWrapper';\n\n // For Popup annotations we hide the entire section because it contains\n // only the popup. However, for Text annotations without a separate Popup\n // annotation, we cannot hide the entire container as the image would\n // disappear too. In that special case, hiding the wrapper suffices.\n this.hideElement = (this.hideWrapper ? wrapper : this.container);\n this.hideElement.setAttribute('hidden', true);\n\n var popup = document.createElement('div');\n popup.className = 'popup';\n\n var color = this.color;\n if (color) {\n // Enlighten the color.\n var r = BACKGROUND_ENLIGHT * (255 - color[0]) + color[0];\n var g = BACKGROUND_ENLIGHT * (255 - color[1]) + color[1];\n var b = BACKGROUND_ENLIGHT * (255 - color[2]) + color[2];\n popup.style.backgroundColor = Util.makeCssRgb(r | 0, g | 0, b | 0);\n }\n\n var contents = this._formatContents(this.contents);\n var title = document.createElement('h1');\n title.textContent = this.title;\n\n // Attach the event listeners to the trigger element.\n this.trigger.addEventListener('click', this._toggle.bind(this));\n this.trigger.addEventListener('mouseover', this._show.bind(this, false));\n this.trigger.addEventListener('mouseout', this._hide.bind(this, false));\n popup.addEventListener('click', this._hide.bind(this, true));\n\n popup.appendChild(title);\n popup.appendChild(contents);\n wrapper.appendChild(popup);\n return wrapper;\n },\n\n /**\n * Format the contents of the popup by adding newlines where necessary.\n *\n * @private\n * @param {string} contents\n * @memberof PopupElement\n * @returns {HTMLParagraphElement}\n */\n _formatContents: function PopupElement_formatContents(contents) {\n var p = document.createElement('p');\n var lines = contents.split(/(?:\\r\\n?|\\n)/);\n for (var i = 0, ii = lines.length; i < ii; ++i) {\n var line = lines[i];\n p.appendChild(document.createTextNode(line));\n if (i < (ii - 1)) {\n p.appendChild(document.createElement('br'));\n }\n }\n return p;\n },\n\n /**\n * Toggle the visibility of the popup.\n *\n * @private\n * @memberof PopupElement\n */\n _toggle: function PopupElement_toggle() {\n if (this.pinned) {\n this._hide(true);\n } else {\n this._show(true);\n }\n },\n\n /**\n * Show the popup.\n *\n * @private\n * @param {boolean} pin\n * @memberof PopupElement\n */\n _show: function PopupElement_show(pin) {\n if (pin) {\n this.pinned = true;\n }\n if (this.hideElement.hasAttribute('hidden')) {\n this.hideElement.removeAttribute('hidden');\n this.container.style.zIndex += 1;\n }\n },\n\n /**\n * Hide the popup.\n *\n * @private\n * @param {boolean} unpin\n * @memberof PopupElement\n */\n _hide: function PopupElement_hide(unpin) {\n if (unpin) {\n this.pinned = false;\n }\n if (!this.hideElement.hasAttribute('hidden') && !this.pinned) {\n this.hideElement.setAttribute('hidden', true);\n this.container.style.zIndex -= 1;\n }\n },\n };\n\n return PopupElement;\n})();\n\n/**\n * @class\n * @alias LineAnnotationElement\n */\nvar LineAnnotationElement = (function LineAnnotationElementClosure() {\n var SVG_NS = 'http://www.w3.org/2000/svg';\n\n function LineAnnotationElement(parameters) {\n var isRenderable = !!(parameters.data.hasPopup ||\n parameters.data.title || parameters.data.contents);\n AnnotationElement.call(this, parameters, isRenderable,\n /* ignoreBorder = */ true);\n }\n\n Util.inherit(LineAnnotationElement, AnnotationElement, {\n /**\n * Render the line annotation's HTML element in the empty container.\n *\n * @public\n * @memberof LineAnnotationElement\n * @returns {HTMLSectionElement}\n */\n render: function LineAnnotationElement_render() {\n this.container.className = 'lineAnnotation';\n\n // Create an invisible line with the same starting and ending coordinates\n // that acts as the trigger for the popup. Only the line itself should\n // trigger the popup, not the entire container.\n var data = this.data;\n var width = data.rect[2] - data.rect[0];\n var height = data.rect[3] - data.rect[1];\n\n var svg = document.createElementNS(SVG_NS, 'svg:svg');\n svg.setAttributeNS(null, 'version', '1.1');\n svg.setAttributeNS(null, 'width', width + 'px');\n svg.setAttributeNS(null, 'height', height + 'px');\n svg.setAttributeNS(null, 'preserveAspectRatio', 'none');\n svg.setAttributeNS(null, 'viewBox', '0 0 ' + width + ' ' + height);\n\n // PDF coordinates are calculated from a bottom left origin, so transform\n // the line coordinates to a top left origin for the SVG element.\n var line = document.createElementNS(SVG_NS, 'svg:line');\n line.setAttributeNS(null, 'x1', data.rect[2] - data.lineCoordinates[0]);\n line.setAttributeNS(null, 'y1', data.rect[3] - data.lineCoordinates[1]);\n line.setAttributeNS(null, 'x2', data.rect[2] - data.lineCoordinates[2]);\n line.setAttributeNS(null, 'y2', data.rect[3] - data.lineCoordinates[3]);\n line.setAttributeNS(null, 'stroke-width', data.borderStyle.width);\n line.setAttributeNS(null, 'stroke', 'transparent');\n\n svg.appendChild(line);\n this.container.append(svg);\n\n // Create the popup ourselves so that we can bind it to the line instead\n // of to the entire container (which is the default).\n this._createPopup(this.container, line, this.data);\n\n return this.container;\n },\n });\n\n return LineAnnotationElement;\n})();\n\n/**\n * @class\n * @alias HighlightAnnotationElement\n */\nvar HighlightAnnotationElement = (\n function HighlightAnnotationElementClosure() {\n function HighlightAnnotationElement(parameters) {\n var isRenderable = !!(parameters.data.hasPopup ||\n parameters.data.title || parameters.data.contents);\n AnnotationElement.call(this, parameters, isRenderable,\n /* ignoreBorder = */ true);\n }\n\n Util.inherit(HighlightAnnotationElement, AnnotationElement, {\n /**\n * Render the highlight annotation's HTML element in the empty container.\n *\n * @public\n * @memberof HighlightAnnotationElement\n * @returns {HTMLSectionElement}\n */\n render: function HighlightAnnotationElement_render() {\n this.container.className = 'highlightAnnotation';\n\n if (!this.data.hasPopup) {\n this._createPopup(this.container, null, this.data);\n }\n return this.container;\n },\n });\n\n return HighlightAnnotationElement;\n})();\n\n/**\n * @class\n * @alias UnderlineAnnotationElement\n */\nvar UnderlineAnnotationElement = (\n function UnderlineAnnotationElementClosure() {\n function UnderlineAnnotationElement(parameters) {\n var isRenderable = !!(parameters.data.hasPopup ||\n parameters.data.title || parameters.data.contents);\n AnnotationElement.call(this, parameters, isRenderable,\n /* ignoreBorder = */ true);\n }\n\n Util.inherit(UnderlineAnnotationElement, AnnotationElement, {\n /**\n * Render the underline annotation's HTML element in the empty container.\n *\n * @public\n * @memberof UnderlineAnnotationElement\n * @returns {HTMLSectionElement}\n */\n render: function UnderlineAnnotationElement_render() {\n this.container.className = 'underlineAnnotation';\n\n if (!this.data.hasPopup) {\n this._createPopup(this.container, null, this.data);\n }\n return this.container;\n },\n });\n\n return UnderlineAnnotationElement;\n})();\n\n/**\n * @class\n * @alias SquigglyAnnotationElement\n */\nvar SquigglyAnnotationElement = (function SquigglyAnnotationElementClosure() {\n function SquigglyAnnotationElement(parameters) {\n var isRenderable = !!(parameters.data.hasPopup ||\n parameters.data.title || parameters.data.contents);\n AnnotationElement.call(this, parameters, isRenderable,\n /* ignoreBorder = */ true);\n }\n\n Util.inherit(SquigglyAnnotationElement, AnnotationElement, {\n /**\n * Render the squiggly annotation's HTML element in the empty container.\n *\n * @public\n * @memberof SquigglyAnnotationElement\n * @returns {HTMLSectionElement}\n */\n render: function SquigglyAnnotationElement_render() {\n this.container.className = 'squigglyAnnotation';\n\n if (!this.data.hasPopup) {\n this._createPopup(this.container, null, this.data);\n }\n return this.container;\n },\n });\n\n return SquigglyAnnotationElement;\n})();\n\n/**\n * @class\n * @alias StrikeOutAnnotationElement\n */\nvar StrikeOutAnnotationElement = (\n function StrikeOutAnnotationElementClosure() {\n function StrikeOutAnnotationElement(parameters) {\n var isRenderable = !!(parameters.data.hasPopup ||\n parameters.data.title || parameters.data.contents);\n AnnotationElement.call(this, parameters, isRenderable,\n /* ignoreBorder = */ true);\n }\n\n Util.inherit(StrikeOutAnnotationElement, AnnotationElement, {\n /**\n * Render the strikeout annotation's HTML element in the empty container.\n *\n * @public\n * @memberof StrikeOutAnnotationElement\n * @returns {HTMLSectionElement}\n */\n render: function StrikeOutAnnotationElement_render() {\n this.container.className = 'strikeoutAnnotation';\n\n if (!this.data.hasPopup) {\n this._createPopup(this.container, null, this.data);\n }\n return this.container;\n },\n });\n\n return StrikeOutAnnotationElement;\n})();\n\n/**\n * @class\n * @alias FileAttachmentAnnotationElement\n */\nvar FileAttachmentAnnotationElement = (\n function FileAttachmentAnnotationElementClosure() {\n function FileAttachmentAnnotationElement(parameters) {\n AnnotationElement.call(this, parameters, true);\n\n var file = this.data.file;\n this.filename = getFilenameFromUrl(file.filename);\n this.content = file.content;\n\n this.linkService.onFileAttachmentAnnotation({\n id: stringToPDFString(file.filename),\n filename: file.filename,\n content: file.content,\n });\n }\n\n Util.inherit(FileAttachmentAnnotationElement, AnnotationElement, {\n /**\n * Render the file attachment annotation's HTML element in the empty\n * container.\n *\n * @public\n * @memberof FileAttachmentAnnotationElement\n * @returns {HTMLSectionElement}\n */\n render: function FileAttachmentAnnotationElement_render() {\n this.container.className = 'fileAttachmentAnnotation';\n\n var trigger = document.createElement('div');\n trigger.style.height = this.container.style.height;\n trigger.style.width = this.container.style.width;\n trigger.addEventListener('dblclick', this._download.bind(this));\n\n if (!this.data.hasPopup && (this.data.title || this.data.contents)) {\n this._createPopup(this.container, trigger, this.data);\n }\n\n this.container.appendChild(trigger);\n return this.container;\n },\n\n /**\n * Download the file attachment associated with this annotation.\n *\n * @private\n * @memberof FileAttachmentAnnotationElement\n */\n _download: function FileAttachmentAnnotationElement_download() {\n if (!this.downloadManager) {\n warn('Download cannot be started due to unavailable download manager');\n return;\n }\n this.downloadManager.downloadData(this.content, this.filename, '');\n },\n });\n\n return FileAttachmentAnnotationElement;\n})();\n\n/**\n * @typedef {Object} AnnotationLayerParameters\n * @property {PageViewport} viewport\n * @property {HTMLDivElement} div\n * @property {Array} annotations\n * @property {PDFPage} page\n * @property {IPDFLinkService} linkService\n * @property {string} imageResourcesPath\n * @property {boolean} renderInteractiveForms\n */\n\n/**\n * @class\n * @alias AnnotationLayer\n */\nvar AnnotationLayer = (function AnnotationLayerClosure() {\n return {\n /**\n * Render a new annotation layer with all annotation elements.\n *\n * @public\n * @param {AnnotationLayerParameters} parameters\n * @memberof AnnotationLayer\n */\n render: function AnnotationLayer_render(parameters) {\n var annotationElementFactory = new AnnotationElementFactory();\n\n for (var i = 0, ii = parameters.annotations.length; i < ii; i++) {\n var data = parameters.annotations[i];\n if (!data) {\n continue;\n }\n var element = annotationElementFactory.create({\n data,\n layer: parameters.div,\n page: parameters.page,\n viewport: parameters.viewport,\n linkService: parameters.linkService,\n downloadManager: parameters.downloadManager,\n imageResourcesPath: parameters.imageResourcesPath ||\n getDefaultSetting('imageResourcesPath'),\n renderInteractiveForms: parameters.renderInteractiveForms || false,\n });\n if (element.isRenderable) {\n parameters.div.appendChild(element.render());\n }\n }\n },\n\n /**\n * Update the annotation elements on existing annotation layer.\n *\n * @public\n * @param {AnnotationLayerParameters} parameters\n * @memberof AnnotationLayer\n */\n update: function AnnotationLayer_update(parameters) {\n for (var i = 0, ii = parameters.annotations.length; i < ii; i++) {\n var data = parameters.annotations[i];\n var element = parameters.div.querySelector(\n '[data-annotation-id=\"' + data.id + '\"]');\n if (element) {\n CustomStyle.setProp('transform', element,\n 'matrix(' + parameters.viewport.transform.join(',') + ')');\n }\n }\n parameters.div.removeAttribute('hidden');\n },\n };\n})();\n\nexport {\n AnnotationLayer,\n};\n\n\n\n// WEBPACK FOOTER //\n// src/display/annotation_layer.js","/* Copyright 2012 Mozilla Foundation\n *\n * Licensed under the Apache License, Version 2.0 (the \"License\");\n * you may not use this file except in compliance with the License.\n * You may obtain a copy of the License at\n *\n * http://www.apache.org/licenses/LICENSE-2.0\n *\n * Unless required by applicable law or agreed to in writing, software\n * distributed under the License is distributed on an \"AS IS\" BASIS,\n * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.\n * See the License for the specific language governing permissions and\n * limitations under the License.\n */\n/* globals __non_webpack_require__ */\n\nimport {\n createObjectURL, FONT_IDENTITY_MATRIX, IDENTITY_MATRIX, ImageKind, isArray,\n isNodeJS, isNum, OPS, Util, warn\n} from '../shared/util';\n\nvar SVGGraphics = function() {\n throw new Error('Not implemented: SVGGraphics');\n};\n\nif (typeof PDFJSDev === 'undefined' ||\n PDFJSDev.test('GENERIC || SINGLE_FILE')) {\n\nvar SVG_DEFAULTS = {\n fontStyle: 'normal',\n fontWeight: 'normal',\n fillColor: '#000000',\n};\n\nvar convertImgDataToPng = (function convertImgDataToPngClosure() {\n var PNG_HEADER =\n new Uint8Array([0x89, 0x50, 0x4e, 0x47, 0x0d, 0x0a, 0x1a, 0x0a]);\n\n var CHUNK_WRAPPER_SIZE = 12;\n\n var crcTable = new Int32Array(256);\n for (var i = 0; i < 256; i++) {\n var c = i;\n for (var h = 0; h < 8; h++) {\n if (c & 1) {\n c = 0xedB88320 ^ ((c >> 1) & 0x7fffffff);\n } else {\n c = (c >> 1) & 0x7fffffff;\n }\n }\n crcTable[i] = c;\n }\n\n function crc32(data, start, end) {\n var crc = -1;\n for (var i = start; i < end; i++) {\n var a = (crc ^ data[i]) & 0xff;\n var b = crcTable[a];\n crc = (crc >>> 8) ^ b;\n }\n return crc ^ -1;\n }\n\n function writePngChunk(type, body, data, offset) {\n var p = offset;\n var len = body.length;\n\n data[p] = len >> 24 & 0xff;\n data[p + 1] = len >> 16 & 0xff;\n data[p + 2] = len >> 8 & 0xff;\n data[p + 3] = len & 0xff;\n p += 4;\n\n data[p] = type.charCodeAt(0) & 0xff;\n data[p + 1] = type.charCodeAt(1) & 0xff;\n data[p + 2] = type.charCodeAt(2) & 0xff;\n data[p + 3] = type.charCodeAt(3) & 0xff;\n p += 4;\n\n data.set(body, p);\n p += body.length;\n\n var crc = crc32(data, offset + 4, p);\n\n data[p] = crc >> 24 & 0xff;\n data[p + 1] = crc >> 16 & 0xff;\n data[p + 2] = crc >> 8 & 0xff;\n data[p + 3] = crc & 0xff;\n }\n\n function adler32(data, start, end) {\n var a = 1;\n var b = 0;\n for (var i = start; i < end; ++i) {\n a = (a + (data[i] & 0xff)) % 65521;\n b = (b + a) % 65521;\n }\n return (b << 16) | a;\n }\n\n /**\n * @param {Uint8Array} literals The input data.\n * @returns {Uint8Array} The DEFLATE-compressed data stream in zlib format.\n * This is the required format for compressed streams in the PNG format:\n * http://www.libpng.org/pub/png/spec/1.2/PNG-Compression.html\n */\n function deflateSync(literals) {\n if (!isNodeJS()) {\n // zlib is certainly not available outside of Node.js. We can either use\n // the pako library for client-side DEFLATE compression, or use the canvas\n // API of the browser to obtain a more optimal PNG file.\n return deflateSyncUncompressed(literals);\n }\n try {\n // NOTE: This implementation is far from perfect, but already way better\n // than not applying any compression.\n //\n // A better algorithm will try to choose a good predictor/filter and\n // then choose a suitable zlib compression strategy (e.g. 3,Z_RLE).\n //\n // Node v0.11.12 zlib.deflateSync is introduced (and returns a Buffer).\n // Node v3.0.0 Buffer inherits from Uint8Array.\n // Node v8.0.0 zlib.deflateSync accepts Uint8Array as input.\n var input;\n // eslint-disable-next-line no-undef\n if (parseInt(process.versions.node) >= 8) {\n input = literals;\n } else {\n // eslint-disable-next-line no-undef\n input = new Buffer(literals);\n }\n var output = __non_webpack_require__('zlib')\n .deflateSync(input, { level: 9, });\n return output instanceof Uint8Array ? output : new Uint8Array(output);\n } catch (e) {\n warn('Not compressing PNG because zlib.deflateSync is unavailable: ' + e);\n }\n\n return deflateSyncUncompressed(literals);\n }\n\n // An implementation of DEFLATE with compression level 0 (Z_NO_COMPRESSION).\n function deflateSyncUncompressed(literals) {\n var len = literals.length;\n var maxBlockLength = 0xFFFF;\n\n var deflateBlocks = Math.ceil(len / maxBlockLength);\n var idat = new Uint8Array(2 + len + deflateBlocks * 5 + 4);\n var pi = 0;\n idat[pi++] = 0x78; // compression method and flags\n idat[pi++] = 0x9c; // flags\n\n var pos = 0;\n while (len > maxBlockLength) {\n // writing non-final DEFLATE blocks type 0 and length of 65535\n idat[pi++] = 0x00;\n idat[pi++] = 0xff;\n idat[pi++] = 0xff;\n idat[pi++] = 0x00;\n idat[pi++] = 0x00;\n idat.set(literals.subarray(pos, pos + maxBlockLength), pi);\n pi += maxBlockLength;\n pos += maxBlockLength;\n len -= maxBlockLength;\n }\n\n // writing non-final DEFLATE blocks type 0\n idat[pi++] = 0x01;\n idat[pi++] = len & 0xff;\n idat[pi++] = len >> 8 & 0xff;\n idat[pi++] = (~len & 0xffff) & 0xff;\n idat[pi++] = (~len & 0xffff) >> 8 & 0xff;\n idat.set(literals.subarray(pos), pi);\n pi += literals.length - pos;\n\n var adler = adler32(literals, 0, literals.length); // checksum\n idat[pi++] = adler >> 24 & 0xff;\n idat[pi++] = adler >> 16 & 0xff;\n idat[pi++] = adler >> 8 & 0xff;\n idat[pi++] = adler & 0xff;\n return idat;\n }\n\n function encode(imgData, kind, forceDataSchema) {\n var width = imgData.width;\n var height = imgData.height;\n var bitDepth, colorType, lineSize;\n var bytes = imgData.data;\n\n switch (kind) {\n case ImageKind.GRAYSCALE_1BPP:\n colorType = 0;\n bitDepth = 1;\n lineSize = (width + 7) >> 3;\n break;\n case ImageKind.RGB_24BPP:\n colorType = 2;\n bitDepth = 8;\n lineSize = width * 3;\n break;\n case ImageKind.RGBA_32BPP:\n colorType = 6;\n bitDepth = 8;\n lineSize = width * 4;\n break;\n default:\n throw new Error('invalid format');\n }\n\n // prefix every row with predictor 0\n var literals = new Uint8Array((1 + lineSize) * height);\n var offsetLiterals = 0, offsetBytes = 0;\n var y, i;\n for (y = 0; y < height; ++y) {\n literals[offsetLiterals++] = 0; // no prediction\n literals.set(bytes.subarray(offsetBytes, offsetBytes + lineSize),\n offsetLiterals);\n offsetBytes += lineSize;\n offsetLiterals += lineSize;\n }\n\n if (kind === ImageKind.GRAYSCALE_1BPP) {\n // inverting for B/W\n offsetLiterals = 0;\n for (y = 0; y < height; y++) {\n offsetLiterals++; // skipping predictor\n for (i = 0; i < lineSize; i++) {\n literals[offsetLiterals++] ^= 0xFF;\n }\n }\n }\n\n var ihdr = new Uint8Array([\n width >> 24 & 0xff,\n width >> 16 & 0xff,\n width >> 8 & 0xff,\n width & 0xff,\n height >> 24 & 0xff,\n height >> 16 & 0xff,\n height >> 8 & 0xff,\n height & 0xff,\n bitDepth, // bit depth\n colorType, // color type\n 0x00, // compression method\n 0x00, // filter method\n 0x00 // interlace method\n ]);\n\n var idat = deflateSync(literals);\n\n // PNG will consists: header, IHDR+data, IDAT+data, and IEND.\n var pngLength = PNG_HEADER.length + (CHUNK_WRAPPER_SIZE * 3) +\n ihdr.length + idat.length;\n var data = new Uint8Array(pngLength);\n var offset = 0;\n data.set(PNG_HEADER, offset);\n offset += PNG_HEADER.length;\n writePngChunk('IHDR', ihdr, data, offset);\n offset += CHUNK_WRAPPER_SIZE + ihdr.length;\n writePngChunk('IDATA', idat, data, offset);\n offset += CHUNK_WRAPPER_SIZE + idat.length;\n writePngChunk('IEND', new Uint8Array(0), data, offset);\n\n return createObjectURL(data, 'image/png', forceDataSchema);\n }\n\n return function convertImgDataToPng(imgData, forceDataSchema) {\n var kind = (imgData.kind === undefined ?\n ImageKind.GRAYSCALE_1BPP : imgData.kind);\n return encode(imgData, kind, forceDataSchema);\n };\n})();\n\nvar SVGExtraState = (function SVGExtraStateClosure() {\n function SVGExtraState() {\n this.fontSizeScale = 1;\n this.fontWeight = SVG_DEFAULTS.fontWeight;\n this.fontSize = 0;\n\n this.textMatrix = IDENTITY_MATRIX;\n this.fontMatrix = FONT_IDENTITY_MATRIX;\n this.leading = 0;\n\n // Current point (in user coordinates)\n this.x = 0;\n this.y = 0;\n\n // Start of text line (in text coordinates)\n this.lineX = 0;\n this.lineY = 0;\n\n // Character and word spacing\n this.charSpacing = 0;\n this.wordSpacing = 0;\n this.textHScale = 1;\n this.textRise = 0;\n\n // Default foreground and background colors\n this.fillColor = SVG_DEFAULTS.fillColor;\n this.strokeColor = '#000000';\n\n this.fillAlpha = 1;\n this.strokeAlpha = 1;\n this.lineWidth = 1;\n this.lineJoin = '';\n this.lineCap = '';\n this.miterLimit = 0;\n\n this.dashArray = [];\n this.dashPhase = 0;\n\n this.dependencies = [];\n\n // Clipping\n this.activeClipUrl = null;\n this.clipGroup = null;\n\n this.maskId = '';\n }\n\n SVGExtraState.prototype = {\n clone: function SVGExtraState_clone() {\n return Object.create(this);\n },\n setCurrentPoint: function SVGExtraState_setCurrentPoint(x, y) {\n this.x = x;\n this.y = y;\n },\n };\n return SVGExtraState;\n})();\n\nSVGGraphics = (function SVGGraphicsClosure() {\n function opListToTree(opList) {\n var opTree = [];\n var tmp = [];\n var opListLen = opList.length;\n\n for (var x = 0; x < opListLen; x++) {\n if (opList[x].fn === 'save') {\n opTree.push({ 'fnId': 92, 'fn': 'group', 'items': [], });\n tmp.push(opTree);\n opTree = opTree[opTree.length - 1].items;\n continue;\n }\n\n if (opList[x].fn === 'restore') {\n opTree = tmp.pop();\n } else {\n opTree.push(opList[x]);\n }\n }\n return opTree;\n }\n\n /**\n * Formats float number.\n * @param value {number} number to format.\n * @returns {string}\n */\n function pf(value) {\n if (value === (value | 0)) { // integer number\n return value.toString();\n }\n var s = value.toFixed(10);\n var i = s.length - 1;\n if (s[i] !== '0') {\n return s;\n }\n // removing trailing zeros\n do {\n i--;\n } while (s[i] === '0');\n return s.substr(0, s[i] === '.' ? i : i + 1);\n }\n\n /**\n * Formats transform matrix. The standard rotation, scale and translate\n * matrices are replaced by their shorter forms, and for identity matrix\n * returns empty string to save the memory.\n * @param m {Array} matrix to format.\n * @returns {string}\n */\n function pm(m) {\n if (m[4] === 0 && m[5] === 0) {\n if (m[1] === 0 && m[2] === 0) {\n if (m[0] === 1 && m[3] === 1) {\n return '';\n }\n return 'scale(' + pf(m[0]) + ' ' + pf(m[3]) + ')';\n }\n if (m[0] === m[3] && m[1] === -m[2]) {\n var a = Math.acos(m[0]) * 180 / Math.PI;\n return 'rotate(' + pf(a) + ')';\n }\n } else {\n if (m[0] === 1 && m[1] === 0 && m[2] === 0 && m[3] === 1) {\n return 'translate(' + pf(m[4]) + ' ' + pf(m[5]) + ')';\n }\n }\n return 'matrix(' + pf(m[0]) + ' ' + pf(m[1]) + ' ' + pf(m[2]) + ' ' +\n pf(m[3]) + ' ' + pf(m[4]) + ' ' + pf(m[5]) + ')';\n }\n\n function SVGGraphics(commonObjs, objs, forceDataSchema) {\n this.current = new SVGExtraState();\n this.transformMatrix = IDENTITY_MATRIX; // Graphics state matrix\n this.transformStack = [];\n this.extraStack = [];\n this.commonObjs = commonObjs;\n this.objs = objs;\n this.pendingClip = null;\n this.pendingEOFill = false;\n\n this.embedFonts = false;\n this.embeddedFonts = Object.create(null);\n this.cssStyle = null;\n this.forceDataSchema = !!forceDataSchema;\n }\n\n var NS = 'http://www.w3.org/2000/svg';\n var XML_NS = 'http://www.w3.org/XML/1998/namespace';\n var XLINK_NS = 'http://www.w3.org/1999/xlink';\n var LINE_CAP_STYLES = ['butt', 'round', 'square'];\n var LINE_JOIN_STYLES = ['miter', 'round', 'bevel'];\n var clipCount = 0;\n var maskCount = 0;\n\n SVGGraphics.prototype = {\n save: function SVGGraphics_save() {\n this.transformStack.push(this.transformMatrix);\n var old = this.current;\n this.extraStack.push(old);\n this.current = old.clone();\n },\n\n restore: function SVGGraphics_restore() {\n this.transformMatrix = this.transformStack.pop();\n this.current = this.extraStack.pop();\n\n this.pendingClip = null;\n this.tgrp = null;\n },\n\n group: function SVGGraphics_group(items) {\n this.save();\n this.executeOpTree(items);\n this.restore();\n },\n\n loadDependencies: function SVGGraphics_loadDependencies(operatorList) {\n var fnArray = operatorList.fnArray;\n var fnArrayLen = fnArray.length;\n var argsArray = operatorList.argsArray;\n\n for (var i = 0; i < fnArrayLen; i++) {\n if (OPS.dependency === fnArray[i]) {\n var deps = argsArray[i];\n for (var n = 0, nn = deps.length; n < nn; n++) {\n var obj = deps[n];\n var common = obj.substring(0, 2) === 'g_';\n var promise;\n if (common) {\n promise = new Promise((resolve) => {\n this.commonObjs.get(obj, resolve);\n });\n } else {\n promise = new Promise((resolve) => {\n this.objs.get(obj, resolve);\n });\n }\n this.current.dependencies.push(promise);\n }\n }\n }\n return Promise.all(this.current.dependencies);\n },\n\n transform: function SVGGraphics_transform(a, b, c, d, e, f) {\n var transformMatrix = [a, b, c, d, e, f];\n this.transformMatrix = Util.transform(this.transformMatrix,\n transformMatrix);\n this.tgrp = null;\n },\n\n getSVG: function SVGGraphics_getSVG(operatorList, viewport) {\n this.viewport = viewport;\n\n var svgElement = this._initialize(viewport);\n return this.loadDependencies(operatorList).then(() => {\n this.transformMatrix = IDENTITY_MATRIX;\n var opTree = this.convertOpList(operatorList);\n this.executeOpTree(opTree);\n return svgElement;\n });\n },\n\n convertOpList: function SVGGraphics_convertOpList(operatorList) {\n var argsArray = operatorList.argsArray;\n var fnArray = operatorList.fnArray;\n var fnArrayLen = fnArray.length;\n var REVOPS = [];\n var opList = [];\n\n for (var op in OPS) {\n REVOPS[OPS[op]] = op;\n }\n\n for (var x = 0; x < fnArrayLen; x++) {\n var fnId = fnArray[x];\n opList.push({\n 'fnId': fnId,\n 'fn': REVOPS[fnId],\n 'args': argsArray[x],\n });\n }\n return opListToTree(opList);\n },\n\n executeOpTree: function SVGGraphics_executeOpTree(opTree) {\n var opTreeLen = opTree.length;\n for (var x = 0; x < opTreeLen; x++) {\n var fn = opTree[x].fn;\n var fnId = opTree[x].fnId;\n var args = opTree[x].args;\n\n switch (fnId | 0) {\n case OPS.beginText:\n this.beginText();\n break;\n case OPS.setLeading:\n this.setLeading(args);\n break;\n case OPS.setLeadingMoveText:\n this.setLeadingMoveText(args[0], args[1]);\n break;\n case OPS.setFont:\n this.setFont(args);\n break;\n case OPS.showText:\n this.showText(args[0]);\n break;\n case OPS.showSpacedText:\n this.showText(args[0]);\n break;\n case OPS.endText:\n this.endText();\n break;\n case OPS.moveText:\n this.moveText(args[0], args[1]);\n break;\n case OPS.setCharSpacing:\n this.setCharSpacing(args[0]);\n break;\n case OPS.setWordSpacing:\n this.setWordSpacing(args[0]);\n break;\n case OPS.setHScale:\n this.setHScale(args[0]);\n break;\n case OPS.setTextMatrix:\n this.setTextMatrix(args[0], args[1], args[2],\n args[3], args[4], args[5]);\n break;\n case OPS.setLineWidth:\n this.setLineWidth(args[0]);\n break;\n case OPS.setLineJoin:\n this.setLineJoin(args[0]);\n break;\n case OPS.setLineCap:\n this.setLineCap(args[0]);\n break;\n case OPS.setMiterLimit:\n this.setMiterLimit(args[0]);\n break;\n case OPS.setFillRGBColor:\n this.setFillRGBColor(args[0], args[1], args[2]);\n break;\n case OPS.setStrokeRGBColor:\n this.setStrokeRGBColor(args[0], args[1], args[2]);\n break;\n case OPS.setDash:\n this.setDash(args[0], args[1]);\n break;\n case OPS.setGState:\n this.setGState(args[0]);\n break;\n case OPS.fill:\n this.fill();\n break;\n case OPS.eoFill:\n this.eoFill();\n break;\n case OPS.stroke:\n this.stroke();\n break;\n case OPS.fillStroke:\n this.fillStroke();\n break;\n case OPS.eoFillStroke:\n this.eoFillStroke();\n break;\n case OPS.clip:\n this.clip('nonzero');\n break;\n case OPS.eoClip:\n this.clip('evenodd');\n break;\n case OPS.paintSolidColorImageMask:\n this.paintSolidColorImageMask();\n break;\n case OPS.paintJpegXObject:\n this.paintJpegXObject(args[0], args[1], args[2]);\n break;\n case OPS.paintImageXObject:\n this.paintImageXObject(args[0]);\n break;\n case OPS.paintInlineImageXObject:\n this.paintInlineImageXObject(args[0]);\n break;\n case OPS.paintImageMaskXObject:\n this.paintImageMaskXObject(args[0]);\n break;\n case OPS.paintFormXObjectBegin:\n this.paintFormXObjectBegin(args[0], args[1]);\n break;\n case OPS.paintFormXObjectEnd:\n this.paintFormXObjectEnd();\n break;\n case OPS.closePath:\n this.closePath();\n break;\n case OPS.closeStroke:\n this.closeStroke();\n break;\n case OPS.closeFillStroke:\n this.closeFillStroke();\n break;\n case OPS.nextLine:\n this.nextLine();\n break;\n case OPS.transform:\n this.transform(args[0], args[1], args[2], args[3],\n args[4], args[5]);\n break;\n case OPS.constructPath:\n this.constructPath(args[0], args[1]);\n break;\n case OPS.endPath:\n this.endPath();\n break;\n case 92:\n this.group(opTree[x].items);\n break;\n default:\n warn('Unimplemented operator ' + fn);\n break;\n }\n }\n },\n\n setWordSpacing: function SVGGraphics_setWordSpacing(wordSpacing) {\n this.current.wordSpacing = wordSpacing;\n },\n\n setCharSpacing: function SVGGraphics_setCharSpacing(charSpacing) {\n this.current.charSpacing = charSpacing;\n },\n\n nextLine: function SVGGraphics_nextLine() {\n this.moveText(0, this.current.leading);\n },\n\n setTextMatrix: function SVGGraphics_setTextMatrix(a, b, c, d, e, f) {\n var current = this.current;\n this.current.textMatrix = this.current.lineMatrix = [a, b, c, d, e, f];\n\n this.current.x = this.current.lineX = 0;\n this.current.y = this.current.lineY = 0;\n\n current.xcoords = [];\n current.tspan = document.createElementNS(NS, 'svg:tspan');\n current.tspan.setAttributeNS(null, 'font-family', current.fontFamily);\n current.tspan.setAttributeNS(null, 'font-size',\n pf(current.fontSize) + 'px');\n current.tspan.setAttributeNS(null, 'y', pf(-current.y));\n\n current.txtElement = document.createElementNS(NS, 'svg:text');\n current.txtElement.appendChild(current.tspan);\n },\n\n beginText: function SVGGraphics_beginText() {\n this.current.x = this.current.lineX = 0;\n this.current.y = this.current.lineY = 0;\n this.current.textMatrix = IDENTITY_MATRIX;\n this.current.lineMatrix = IDENTITY_MATRIX;\n this.current.tspan = document.createElementNS(NS, 'svg:tspan');\n this.current.txtElement = document.createElementNS(NS, 'svg:text');\n this.current.txtgrp = document.createElementNS(NS, 'svg:g');\n this.current.xcoords = [];\n },\n\n moveText: function SVGGraphics_moveText(x, y) {\n var current = this.current;\n this.current.x = this.current.lineX += x;\n this.current.y = this.current.lineY += y;\n\n current.xcoords = [];\n current.tspan = document.createElementNS(NS, 'svg:tspan');\n current.tspan.setAttributeNS(null, 'font-family', current.fontFamily);\n current.tspan.setAttributeNS(null, 'font-size',\n pf(current.fontSize) + 'px');\n current.tspan.setAttributeNS(null, 'y', pf(-current.y));\n },\n\n showText: function SVGGraphics_showText(glyphs) {\n var current = this.current;\n var font = current.font;\n var fontSize = current.fontSize;\n\n if (fontSize === 0) {\n return;\n }\n\n var charSpacing = current.charSpacing;\n var wordSpacing = current.wordSpacing;\n var fontDirection = current.fontDirection;\n var textHScale = current.textHScale * fontDirection;\n var glyphsLength = glyphs.length;\n var vertical = font.vertical;\n var widthAdvanceScale = fontSize * current.fontMatrix[0];\n\n var x = 0, i;\n for (i = 0; i < glyphsLength; ++i) {\n var glyph = glyphs[i];\n if (glyph === null) {\n // word break\n x += fontDirection * wordSpacing;\n continue;\n } else if (isNum(glyph)) {\n x += -glyph * fontSize * 0.001;\n continue;\n }\n current.xcoords.push(current.x + x * textHScale);\n\n var width = glyph.width;\n var character = glyph.fontChar;\n var spacing = (glyph.isSpace ? wordSpacing : 0) + charSpacing;\n var charWidth = width * widthAdvanceScale + spacing * fontDirection;\n x += charWidth;\n\n current.tspan.textContent += character;\n }\n if (vertical) {\n current.y -= x * textHScale;\n } else {\n current.x += x * textHScale;\n }\n\n current.tspan.setAttributeNS(null, 'x',\n current.xcoords.map(pf).join(' '));\n current.tspan.setAttributeNS(null, 'y', pf(-current.y));\n current.tspan.setAttributeNS(null, 'font-family', current.fontFamily);\n current.tspan.setAttributeNS(null, 'font-size',\n pf(current.fontSize) + 'px');\n if (current.fontStyle !== SVG_DEFAULTS.fontStyle) {\n current.tspan.setAttributeNS(null, 'font-style', current.fontStyle);\n }\n if (current.fontWeight !== SVG_DEFAULTS.fontWeight) {\n current.tspan.setAttributeNS(null, 'font-weight', current.fontWeight);\n }\n if (current.fillColor !== SVG_DEFAULTS.fillColor) {\n current.tspan.setAttributeNS(null, 'fill', current.fillColor);\n }\n\n current.txtElement.setAttributeNS(null, 'transform',\n pm(current.textMatrix) +\n ' scale(1, -1)');\n current.txtElement.setAttributeNS(XML_NS, 'xml:space', 'preserve');\n current.txtElement.appendChild(current.tspan);\n current.txtgrp.appendChild(current.txtElement);\n\n this._ensureTransformGroup().appendChild(current.txtElement);\n },\n\n setLeadingMoveText: function SVGGraphics_setLeadingMoveText(x, y) {\n this.setLeading(-y);\n this.moveText(x, y);\n },\n\n addFontStyle: function SVGGraphics_addFontStyle(fontObj) {\n if (!this.cssStyle) {\n this.cssStyle = document.createElementNS(NS, 'svg:style');\n this.cssStyle.setAttributeNS(null, 'type', 'text/css');\n this.defs.appendChild(this.cssStyle);\n }\n\n var url = createObjectURL(fontObj.data, fontObj.mimetype,\n this.forceDataSchema);\n this.cssStyle.textContent +=\n '@font-face { font-family: \"' + fontObj.loadedName + '\";' +\n ' src: url(' + url + '); }\\n';\n },\n\n setFont: function SVGGraphics_setFont(details) {\n var current = this.current;\n var fontObj = this.commonObjs.get(details[0]);\n var size = details[1];\n this.current.font = fontObj;\n\n if (this.embedFonts && fontObj.data &&\n !this.embeddedFonts[fontObj.loadedName]) {\n this.addFontStyle(fontObj);\n this.embeddedFonts[fontObj.loadedName] = fontObj;\n }\n\n current.fontMatrix = (fontObj.fontMatrix ?\n fontObj.fontMatrix : FONT_IDENTITY_MATRIX);\n\n var bold = fontObj.black ? (fontObj.bold ? 'bolder' : 'bold') :\n (fontObj.bold ? 'bold' : 'normal');\n var italic = fontObj.italic ? 'italic' : 'normal';\n\n if (size < 0) {\n size = -size;\n current.fontDirection = -1;\n } else {\n current.fontDirection = 1;\n }\n current.fontSize = size;\n current.fontFamily = fontObj.loadedName;\n current.fontWeight = bold;\n current.fontStyle = italic;\n\n current.tspan = document.createElementNS(NS, 'svg:tspan');\n current.tspan.setAttributeNS(null, 'y', pf(-current.y));\n current.xcoords = [];\n },\n\n endText: function SVGGraphics_endText() {},\n\n // Path properties\n setLineWidth: function SVGGraphics_setLineWidth(width) {\n this.current.lineWidth = width;\n },\n setLineCap: function SVGGraphics_setLineCap(style) {\n this.current.lineCap = LINE_CAP_STYLES[style];\n },\n setLineJoin: function SVGGraphics_setLineJoin(style) {\n this.current.lineJoin = LINE_JOIN_STYLES[style];\n },\n setMiterLimit: function SVGGraphics_setMiterLimit(limit) {\n this.current.miterLimit = limit;\n },\n setStrokeAlpha: function SVGGraphics_setStrokeAlpha(strokeAlpha) {\n this.current.strokeAlpha = strokeAlpha;\n },\n setStrokeRGBColor: function SVGGraphics_setStrokeRGBColor(r, g, b) {\n var color = Util.makeCssRgb(r, g, b);\n this.current.strokeColor = color;\n },\n setFillAlpha: function SVGGraphics_setFillAlpha(fillAlpha) {\n this.current.fillAlpha = fillAlpha;\n },\n setFillRGBColor: function SVGGraphics_setFillRGBColor(r, g, b) {\n var color = Util.makeCssRgb(r, g, b);\n this.current.fillColor = color;\n this.current.tspan = document.createElementNS(NS, 'svg:tspan');\n this.current.xcoords = [];\n },\n setDash: function SVGGraphics_setDash(dashArray, dashPhase) {\n this.current.dashArray = dashArray;\n this.current.dashPhase = dashPhase;\n },\n\n constructPath: function SVGGraphics_constructPath(ops, args) {\n var current = this.current;\n var x = current.x, y = current.y;\n current.path = document.createElementNS(NS, 'svg:path');\n var d = [];\n var opLength = ops.length;\n\n for (var i = 0, j = 0; i < opLength; i++) {\n switch (ops[i] | 0) {\n case OPS.rectangle:\n x = args[j++];\n y = args[j++];\n var width = args[j++];\n var height = args[j++];\n var xw = x + width;\n var yh = y + height;\n d.push('M', pf(x), pf(y), 'L', pf(xw), pf(y), 'L', pf(xw), pf(yh),\n 'L', pf(x), pf(yh), 'Z');\n break;\n case OPS.moveTo:\n x = args[j++];\n y = args[j++];\n d.push('M', pf(x), pf(y));\n break;\n case OPS.lineTo:\n x = args[j++];\n y = args[j++];\n d.push('L', pf(x), pf(y));\n break;\n case OPS.curveTo:\n x = args[j + 4];\n y = args[j + 5];\n d.push('C', pf(args[j]), pf(args[j + 1]), pf(args[j + 2]),\n pf(args[j + 3]), pf(x), pf(y));\n j += 6;\n break;\n case OPS.curveTo2:\n x = args[j + 2];\n y = args[j + 3];\n d.push('C', pf(x), pf(y), pf(args[j]), pf(args[j + 1]),\n pf(args[j + 2]), pf(args[j + 3]));\n j += 4;\n break;\n case OPS.curveTo3:\n x = args[j + 2];\n y = args[j + 3];\n d.push('C', pf(args[j]), pf(args[j + 1]), pf(x), pf(y),\n pf(x), pf(y));\n j += 4;\n break;\n case OPS.closePath:\n d.push('Z');\n break;\n }\n }\n current.path.setAttributeNS(null, 'd', d.join(' '));\n current.path.setAttributeNS(null, 'fill', 'none');\n\n this._ensureTransformGroup().appendChild(current.path);\n\n // Saving a reference in current.element so that it can be addressed\n // in 'fill' and 'stroke'\n current.element = current.path;\n current.setCurrentPoint(x, y);\n },\n\n endPath: function SVGGraphics_endPath() {\n if (!this.pendingClip) {\n return;\n }\n var current = this.current;\n // Add current path to clipping path\n var clipId = 'clippath' + clipCount;\n clipCount++;\n var clipPath = document.createElementNS(NS, 'svg:clipPath');\n clipPath.setAttributeNS(null, 'id', clipId);\n clipPath.setAttributeNS(null, 'transform', pm(this.transformMatrix));\n var clipElement = current.element.cloneNode();\n if (this.pendingClip === 'evenodd') {\n clipElement.setAttributeNS(null, 'clip-rule', 'evenodd');\n } else {\n clipElement.setAttributeNS(null, 'clip-rule', 'nonzero');\n }\n this.pendingClip = null;\n clipPath.appendChild(clipElement);\n this.defs.appendChild(clipPath);\n\n if (current.activeClipUrl) {\n // The previous clipping group content can go out of order -- resetting\n // cached clipGroups.\n current.clipGroup = null;\n this.extraStack.forEach(function (prev) {\n prev.clipGroup = null;\n });\n }\n current.activeClipUrl = 'url(#' + clipId + ')';\n\n this.tgrp = null;\n },\n\n clip: function SVGGraphics_clip(type) {\n this.pendingClip = type;\n },\n\n closePath: function SVGGraphics_closePath() {\n var current = this.current;\n var d = current.path.getAttributeNS(null, 'd');\n d += 'Z';\n current.path.setAttributeNS(null, 'd', d);\n },\n\n setLeading: function SVGGraphics_setLeading(leading) {\n this.current.leading = -leading;\n },\n\n setTextRise: function SVGGraphics_setTextRise(textRise) {\n this.current.textRise = textRise;\n },\n\n setHScale: function SVGGraphics_setHScale(scale) {\n this.current.textHScale = scale / 100;\n },\n\n setGState: function SVGGraphics_setGState(states) {\n for (var i = 0, ii = states.length; i < ii; i++) {\n var state = states[i];\n var key = state[0];\n var value = state[1];\n\n switch (key) {\n case 'LW':\n this.setLineWidth(value);\n break;\n case 'LC':\n this.setLineCap(value);\n break;\n case 'LJ':\n this.setLineJoin(value);\n break;\n case 'ML':\n this.setMiterLimit(value);\n break;\n case 'D':\n this.setDash(value[0], value[1]);\n break;\n case 'Font':\n this.setFont(value);\n break;\n case 'CA':\n this.setStrokeAlpha(value);\n break;\n case 'ca':\n this.setFillAlpha(value);\n break;\n default:\n warn('Unimplemented graphic state ' + key);\n break;\n }\n }\n },\n\n fill: function SVGGraphics_fill() {\n var current = this.current;\n current.element.setAttributeNS(null, 'fill', current.fillColor);\n current.element.setAttributeNS(null, 'fill-opacity', current.fillAlpha);\n },\n\n stroke: function SVGGraphics_stroke() {\n var current = this.current;\n\n current.element.setAttributeNS(null, 'stroke', current.strokeColor);\n current.element.setAttributeNS(null, 'stroke-opacity',\n current.strokeAlpha);\n current.element.setAttributeNS(null, 'stroke-miterlimit',\n pf(current.miterLimit));\n current.element.setAttributeNS(null, 'stroke-linecap', current.lineCap);\n current.element.setAttributeNS(null, 'stroke-linejoin', current.lineJoin);\n current.element.setAttributeNS(null, 'stroke-width',\n pf(current.lineWidth) + 'px');\n current.element.setAttributeNS(null, 'stroke-dasharray',\n current.dashArray.map(pf).join(' '));\n current.element.setAttributeNS(null, 'stroke-dashoffset',\n pf(current.dashPhase) + 'px');\n\n current.element.setAttributeNS(null, 'fill', 'none');\n },\n\n eoFill: function SVGGraphics_eoFill() {\n this.current.element.setAttributeNS(null, 'fill-rule', 'evenodd');\n this.fill();\n },\n\n fillStroke: function SVGGraphics_fillStroke() {\n // Order is important since stroke wants fill to be none.\n // First stroke, then if fill needed, it will be overwritten.\n this.stroke();\n this.fill();\n },\n\n eoFillStroke: function SVGGraphics_eoFillStroke() {\n this.current.element.setAttributeNS(null, 'fill-rule', 'evenodd');\n this.fillStroke();\n },\n\n closeStroke: function SVGGraphics_closeStroke() {\n this.closePath();\n this.stroke();\n },\n\n closeFillStroke: function SVGGraphics_closeFillStroke() {\n this.closePath();\n this.fillStroke();\n },\n\n paintSolidColorImageMask:\n function SVGGraphics_paintSolidColorImageMask() {\n var current = this.current;\n var rect = document.createElementNS(NS, 'svg:rect');\n rect.setAttributeNS(null, 'x', '0');\n rect.setAttributeNS(null, 'y', '0');\n rect.setAttributeNS(null, 'width', '1px');\n rect.setAttributeNS(null, 'height', '1px');\n rect.setAttributeNS(null, 'fill', current.fillColor);\n\n this._ensureTransformGroup().appendChild(rect);\n },\n\n paintJpegXObject: function SVGGraphics_paintJpegXObject(objId, w, h) {\n var imgObj = this.objs.get(objId);\n var imgEl = document.createElementNS(NS, 'svg:image');\n imgEl.setAttributeNS(XLINK_NS, 'xlink:href', imgObj.src);\n imgEl.setAttributeNS(null, 'width', pf(w));\n imgEl.setAttributeNS(null, 'height', pf(h));\n imgEl.setAttributeNS(null, 'x', '0');\n imgEl.setAttributeNS(null, 'y', pf(-h));\n imgEl.setAttributeNS(null, 'transform',\n 'scale(' + pf(1 / w) + ' ' + pf(-1 / h) + ')');\n\n this._ensureTransformGroup().appendChild(imgEl);\n },\n\n paintImageXObject: function SVGGraphics_paintImageXObject(objId) {\n var imgData = this.objs.get(objId);\n if (!imgData) {\n warn('Dependent image isn\\'t ready yet');\n return;\n }\n this.paintInlineImageXObject(imgData);\n },\n\n paintInlineImageXObject:\n function SVGGraphics_paintInlineImageXObject(imgData, mask) {\n var width = imgData.width;\n var height = imgData.height;\n\n var imgSrc = convertImgDataToPng(imgData, this.forceDataSchema);\n var cliprect = document.createElementNS(NS, 'svg:rect');\n cliprect.setAttributeNS(null, 'x', '0');\n cliprect.setAttributeNS(null, 'y', '0');\n cliprect.setAttributeNS(null, 'width', pf(width));\n cliprect.setAttributeNS(null, 'height', pf(height));\n this.current.element = cliprect;\n this.clip('nonzero');\n var imgEl = document.createElementNS(NS, 'svg:image');\n imgEl.setAttributeNS(XLINK_NS, 'xlink:href', imgSrc);\n imgEl.setAttributeNS(null, 'x', '0');\n imgEl.setAttributeNS(null, 'y', pf(-height));\n imgEl.setAttributeNS(null, 'width', pf(width) + 'px');\n imgEl.setAttributeNS(null, 'height', pf(height) + 'px');\n imgEl.setAttributeNS(null, 'transform',\n 'scale(' + pf(1 / width) + ' ' +\n pf(-1 / height) + ')');\n if (mask) {\n mask.appendChild(imgEl);\n } else {\n this._ensureTransformGroup().appendChild(imgEl);\n }\n },\n\n paintImageMaskXObject:\n function SVGGraphics_paintImageMaskXObject(imgData) {\n var current = this.current;\n var width = imgData.width;\n var height = imgData.height;\n var fillColor = current.fillColor;\n\n current.maskId = 'mask' + maskCount++;\n var mask = document.createElementNS(NS, 'svg:mask');\n mask.setAttributeNS(null, 'id', current.maskId);\n\n var rect = document.createElementNS(NS, 'svg:rect');\n rect.setAttributeNS(null, 'x', '0');\n rect.setAttributeNS(null, 'y', '0');\n rect.setAttributeNS(null, 'width', pf(width));\n rect.setAttributeNS(null, 'height', pf(height));\n rect.setAttributeNS(null, 'fill', fillColor);\n rect.setAttributeNS(null, 'mask', 'url(#' + current.maskId + ')');\n this.defs.appendChild(mask);\n\n this._ensureTransformGroup().appendChild(rect);\n\n this.paintInlineImageXObject(imgData, mask);\n },\n\n paintFormXObjectBegin:\n function SVGGraphics_paintFormXObjectBegin(matrix, bbox) {\n if (isArray(matrix) && matrix.length === 6) {\n this.transform(matrix[0], matrix[1], matrix[2],\n matrix[3], matrix[4], matrix[5]);\n }\n\n if (isArray(bbox) && bbox.length === 4) {\n var width = bbox[2] - bbox[0];\n var height = bbox[3] - bbox[1];\n\n var cliprect = document.createElementNS(NS, 'svg:rect');\n cliprect.setAttributeNS(null, 'x', bbox[0]);\n cliprect.setAttributeNS(null, 'y', bbox[1]);\n cliprect.setAttributeNS(null, 'width', pf(width));\n cliprect.setAttributeNS(null, 'height', pf(height));\n this.current.element = cliprect;\n this.clip('nonzero');\n this.endPath();\n }\n },\n\n paintFormXObjectEnd:\n function SVGGraphics_paintFormXObjectEnd() {},\n\n /**\n * @private\n */\n _initialize: function SVGGraphics_initialize(viewport) {\n // Create the SVG element.\n var svg = document.createElementNS(NS, 'svg:svg');\n svg.setAttributeNS(null, 'version', '1.1');\n svg.setAttributeNS(null, 'width', viewport.width + 'px');\n svg.setAttributeNS(null, 'height', viewport.height + 'px');\n svg.setAttributeNS(null, 'preserveAspectRatio', 'none');\n svg.setAttributeNS(null, 'viewBox', '0 0 ' + viewport.width +\n ' ' + viewport.height);\n\n // Create the definitions element.\n var definitions = document.createElementNS(NS, 'svg:defs');\n svg.appendChild(definitions);\n this.defs = definitions;\n\n // Create the root group element, which acts a container for all other\n // groups and applies the viewport transform.\n var rootGroup = document.createElementNS(NS, 'svg:g');\n rootGroup.setAttributeNS(null, 'transform', pm(viewport.transform));\n svg.appendChild(rootGroup);\n\n // For the construction of the SVG image we are only interested in the\n // root group, so we expose it as the entry point of the SVG image for\n // the other code in this class.\n this.svg = rootGroup;\n\n return svg;\n },\n\n /**\n * @private\n */\n _ensureClipGroup: function SVGGraphics_ensureClipGroup() {\n if (!this.current.clipGroup) {\n var clipGroup = document.createElementNS(NS, 'svg:g');\n clipGroup.setAttributeNS(null, 'clip-path',\n this.current.activeClipUrl);\n this.svg.appendChild(clipGroup);\n this.current.clipGroup = clipGroup;\n }\n return this.current.clipGroup;\n },\n\n /**\n * @private\n */\n _ensureTransformGroup: function SVGGraphics_ensureTransformGroup() {\n if (!this.tgrp) {\n this.tgrp = document.createElementNS(NS, 'svg:g');\n this.tgrp.setAttributeNS(null, 'transform', pm(this.transformMatrix));\n if (this.current.activeClipUrl) {\n this._ensureClipGroup().appendChild(this.tgrp);\n } else {\n this.svg.appendChild(this.tgrp);\n }\n }\n return this.tgrp;\n },\n };\n return SVGGraphics;\n})();\n\n}\n\nexport {\n SVGGraphics,\n};\n\n\n\n// WEBPACK FOOTER //\n// src/display/svg.js","/* Copyright 2015 Mozilla Foundation\n *\n * Licensed under the Apache License, Version 2.0 (the \"License\");\n * you may not use this file except in compliance with the License.\n * You may obtain a copy of the License at\n *\n * http://www.apache.org/licenses/LICENSE-2.0\n *\n * Unless required by applicable law or agreed to in writing, software\n * distributed under the License is distributed on an \"AS IS\" BASIS,\n * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.\n * See the License for the specific language governing permissions and\n * limitations under the License.\n */\n\nimport { AbortException, createPromiseCapability, Util } from '../shared/util';\nimport { CustomStyle, getDefaultSetting } from './dom_utils';\n\n/**\n * Text layer render parameters.\n *\n * @typedef {Object} TextLayerRenderParameters\n * @property {TextContent} textContent - (optional) Text content to render\n * (the object is returned by the page's getTextContent() method).\n * @property {ReadableStream} textContentStream - (optional) Text content\n * stream to render (the stream is returned by the page's\n * streamTextContent() method).\n * @property {HTMLElement} container - HTML element that will contain text runs.\n * @property {PageViewport} viewport - The target viewport to properly\n * layout the text runs.\n * @property {Array} textDivs - (optional) HTML elements that are correspond\n * the text items of the textContent input. This is output and shall be\n * initially be set to empty array.\n * @property {Array} textContentItemsStr - (optional) Strings that correspond\n * the `str` property of the text items of textContent input. This is output\n * and shall be initially be set to empty array.\n * @property {number} timeout - (optional) Delay in milliseconds before\n * rendering of the text runs occurs.\n * @property {boolean} enhanceTextSelection - (optional) Whether to turn on the\n * text selection enhancement.\n */\nvar renderTextLayer = (function renderTextLayerClosure() {\n var MAX_TEXT_DIVS_TO_RENDER = 100000;\n\n var NonWhitespaceRegexp = /\\S/;\n\n function isAllWhitespace(str) {\n return !NonWhitespaceRegexp.test(str);\n }\n\n // Text layers may contain many thousand div's, and using `styleBuf` avoids\n // creating many intermediate strings when building their 'style' properties.\n var styleBuf = ['left: ', 0, 'px; top: ', 0, 'px; font-size: ', 0,\n 'px; font-family: ', '', ';'];\n\n function appendText(task, geom, styles) {\n // Initialize all used properties to keep the caches monomorphic.\n var textDiv = document.createElement('div');\n var textDivProperties = {\n style: null,\n angle: 0,\n canvasWidth: 0,\n isWhitespace: false,\n originalTransform: null,\n paddingBottom: 0,\n paddingLeft: 0,\n paddingRight: 0,\n paddingTop: 0,\n scale: 1,\n };\n\n task._textDivs.push(textDiv);\n if (isAllWhitespace(geom.str)) {\n textDivProperties.isWhitespace = true;\n task._textDivProperties.set(textDiv, textDivProperties);\n return;\n }\n\n var tx = Util.transform(task._viewport.transform, geom.transform);\n var angle = Math.atan2(tx[1], tx[0]);\n var style = styles[geom.fontName];\n if (style.vertical) {\n angle += Math.PI / 2;\n }\n var fontHeight = Math.sqrt((tx[2] * tx[2]) + (tx[3] * tx[3]));\n var fontAscent = fontHeight;\n if (style.ascent) {\n fontAscent = style.ascent * fontAscent;\n } else if (style.descent) {\n fontAscent = (1 + style.descent) * fontAscent;\n }\n\n var left;\n var top;\n if (angle === 0) {\n left = tx[4];\n top = tx[5] - fontAscent;\n } else {\n left = tx[4] + (fontAscent * Math.sin(angle));\n top = tx[5] - (fontAscent * Math.cos(angle));\n }\n styleBuf[1] = left;\n styleBuf[3] = top;\n styleBuf[5] = fontHeight;\n styleBuf[7] = style.fontFamily;\n textDivProperties.style = styleBuf.join('');\n textDiv.setAttribute('style', textDivProperties.style);\n\n textDiv.textContent = geom.str;\n // |fontName| is only used by the Font Inspector. This test will succeed\n // when e.g. the Font Inspector is off but the Stepper is on, but it's\n // not worth the effort to do a more accurate test. We only use `dataset`\n // here to make the font name available for the debugger.\n if (getDefaultSetting('pdfBug')) {\n textDiv.dataset.fontName = geom.fontName;\n }\n if (angle !== 0) {\n textDivProperties.angle = angle * (180 / Math.PI);\n }\n // We don't bother scaling single-char text divs, because it has very\n // little effect on text highlighting. This makes scrolling on docs with\n // lots of such divs a lot faster.\n if (geom.str.length > 1) {\n if (style.vertical) {\n textDivProperties.canvasWidth = geom.height * task._viewport.scale;\n } else {\n textDivProperties.canvasWidth = geom.width * task._viewport.scale;\n }\n }\n task._textDivProperties.set(textDiv, textDivProperties);\n if (task._textContentStream) {\n task._layoutText(textDiv);\n }\n\n if (task._enhanceTextSelection) {\n var angleCos = 1, angleSin = 0;\n if (angle !== 0) {\n angleCos = Math.cos(angle);\n angleSin = Math.sin(angle);\n }\n var divWidth = (style.vertical ? geom.height : geom.width) *\n task._viewport.scale;\n var divHeight = fontHeight;\n\n var m, b;\n if (angle !== 0) {\n m = [angleCos, angleSin, -angleSin, angleCos, left, top];\n b = Util.getAxialAlignedBoundingBox([0, 0, divWidth, divHeight], m);\n } else {\n b = [left, top, left + divWidth, top + divHeight];\n }\n\n task._bounds.push({\n left: b[0],\n top: b[1],\n right: b[2],\n bottom: b[3],\n div: textDiv,\n size: [divWidth, divHeight],\n m,\n });\n }\n }\n\n function render(task) {\n if (task._canceled) {\n return;\n }\n var textDivs = task._textDivs;\n var capability = task._capability;\n var textDivsLength = textDivs.length;\n\n // No point in rendering many divs as it would make the browser\n // unusable even after the divs are rendered.\n if (textDivsLength > MAX_TEXT_DIVS_TO_RENDER) {\n task._renderingDone = true;\n capability.resolve();\n return;\n }\n\n if (!task._textContentStream) {\n for (var i = 0; i < textDivsLength; i++) {\n task._layoutText(textDivs[i]);\n }\n }\n\n task._renderingDone = true;\n capability.resolve();\n }\n\n function expand(task) {\n var bounds = task._bounds;\n var viewport = task._viewport;\n\n var expanded = expandBounds(viewport.width, viewport.height, bounds);\n for (var i = 0; i < expanded.length; i++) {\n var div = bounds[i].div;\n var divProperties = task._textDivProperties.get(div);\n if (divProperties.angle === 0) {\n divProperties.paddingLeft = bounds[i].left - expanded[i].left;\n divProperties.paddingTop = bounds[i].top - expanded[i].top;\n divProperties.paddingRight = expanded[i].right - bounds[i].right;\n divProperties.paddingBottom = expanded[i].bottom - bounds[i].bottom;\n task._textDivProperties.set(div, divProperties);\n continue;\n }\n // Box is rotated -- trying to find padding so rotated div will not\n // exceed its expanded bounds.\n var e = expanded[i], b = bounds[i];\n var m = b.m, c = m[0], s = m[1];\n // Finding intersections with expanded box.\n var points = [[0, 0], [0, b.size[1]], [b.size[0], 0], b.size];\n var ts = new Float64Array(64);\n points.forEach(function (p, i) {\n var t = Util.applyTransform(p, m);\n ts[i + 0] = c && (e.left - t[0]) / c;\n ts[i + 4] = s && (e.top - t[1]) / s;\n ts[i + 8] = c && (e.right - t[0]) / c;\n ts[i + 12] = s && (e.bottom - t[1]) / s;\n\n ts[i + 16] = s && (e.left - t[0]) / -s;\n ts[i + 20] = c && (e.top - t[1]) / c;\n ts[i + 24] = s && (e.right - t[0]) / -s;\n ts[i + 28] = c && (e.bottom - t[1]) / c;\n\n ts[i + 32] = c && (e.left - t[0]) / -c;\n ts[i + 36] = s && (e.top - t[1]) / -s;\n ts[i + 40] = c && (e.right - t[0]) / -c;\n ts[i + 44] = s && (e.bottom - t[1]) / -s;\n\n ts[i + 48] = s && (e.left - t[0]) / s;\n ts[i + 52] = c && (e.top - t[1]) / -c;\n ts[i + 56] = s && (e.right - t[0]) / s;\n ts[i + 60] = c && (e.bottom - t[1]) / -c;\n });\n var findPositiveMin = function (ts, offset, count) {\n var result = 0;\n for (var i = 0; i < count; i++) {\n var t = ts[offset++];\n if (t > 0) {\n result = result ? Math.min(t, result) : t;\n }\n }\n return result;\n };\n // Not based on math, but to simplify calculations, using cos and sin\n // absolute values to not exceed the box (it can but insignificantly).\n var boxScale = 1 + Math.min(Math.abs(c), Math.abs(s));\n divProperties.paddingLeft = findPositiveMin(ts, 32, 16) / boxScale;\n divProperties.paddingTop = findPositiveMin(ts, 48, 16) / boxScale;\n divProperties.paddingRight = findPositiveMin(ts, 0, 16) / boxScale;\n divProperties.paddingBottom = findPositiveMin(ts, 16, 16) / boxScale;\n task._textDivProperties.set(div, divProperties);\n }\n }\n\n function expandBounds(width, height, boxes) {\n var bounds = boxes.map(function (box, i) {\n return {\n x1: box.left,\n y1: box.top,\n x2: box.right,\n y2: box.bottom,\n index: i,\n x1New: undefined,\n x2New: undefined,\n };\n });\n expandBoundsLTR(width, bounds);\n var expanded = new Array(boxes.length);\n bounds.forEach(function (b) {\n var i = b.index;\n expanded[i] = {\n left: b.x1New,\n top: 0,\n right: b.x2New,\n bottom: 0,\n };\n });\n\n // Rotating on 90 degrees and extending extended boxes. Reusing the bounds\n // array and objects.\n boxes.map(function (box, i) {\n var e = expanded[i], b = bounds[i];\n b.x1 = box.top;\n b.y1 = width - e.right;\n b.x2 = box.bottom;\n b.y2 = width - e.left;\n b.index = i;\n b.x1New = undefined;\n b.x2New = undefined;\n });\n expandBoundsLTR(height, bounds);\n\n bounds.forEach(function (b) {\n var i = b.index;\n expanded[i].top = b.x1New;\n expanded[i].bottom = b.x2New;\n });\n return expanded;\n }\n\n function expandBoundsLTR(width, bounds) {\n // Sorting by x1 coordinate and walk by the bounds in the same order.\n bounds.sort(function (a, b) {\n return a.x1 - b.x1 || a.index - b.index;\n });\n\n // First we see on the horizon is a fake boundary.\n var fakeBoundary = {\n x1: -Infinity,\n y1: -Infinity,\n x2: 0,\n y2: Infinity,\n index: -1,\n x1New: 0,\n x2New: 0,\n };\n var horizon = [{\n start: -Infinity,\n end: Infinity,\n boundary: fakeBoundary,\n }];\n\n bounds.forEach(function (boundary) {\n // Searching for the affected part of horizon.\n // TODO red-black tree or simple binary search\n var i = 0;\n while (i < horizon.length && horizon[i].end <= boundary.y1) {\n i++;\n }\n var j = horizon.length - 1;\n while (j >= 0 && horizon[j].start >= boundary.y2) {\n j--;\n }\n\n var horizonPart, affectedBoundary;\n var q, k, maxXNew = -Infinity;\n for (q = i; q <= j; q++) {\n horizonPart = horizon[q];\n affectedBoundary = horizonPart.boundary;\n var xNew;\n if (affectedBoundary.x2 > boundary.x1) {\n // In the middle of the previous element, new x shall be at the\n // boundary start. Extending if further if the affected bondary\n // placed on top of the current one.\n xNew = affectedBoundary.index > boundary.index ?\n affectedBoundary.x1New : boundary.x1;\n } else if (affectedBoundary.x2New === undefined) {\n // We have some space in between, new x in middle will be a fair\n // choice.\n xNew = (affectedBoundary.x2 + boundary.x1) / 2;\n } else {\n // Affected boundary has x2new set, using it as new x.\n xNew = affectedBoundary.x2New;\n }\n if (xNew > maxXNew) {\n maxXNew = xNew;\n }\n }\n\n // Set new x1 for current boundary.\n boundary.x1New = maxXNew;\n\n // Adjusts new x2 for the affected boundaries.\n for (q = i; q <= j; q++) {\n horizonPart = horizon[q];\n affectedBoundary = horizonPart.boundary;\n if (affectedBoundary.x2New === undefined) {\n // Was not set yet, choosing new x if possible.\n if (affectedBoundary.x2 > boundary.x1) {\n // Current and affected boundaries intersect. If affected boundary\n // is placed on top of the current, shrinking the affected.\n if (affectedBoundary.index > boundary.index) {\n affectedBoundary.x2New = affectedBoundary.x2;\n }\n } else {\n affectedBoundary.x2New = maxXNew;\n }\n } else if (affectedBoundary.x2New > maxXNew) {\n // Affected boundary is touching new x, pushing it back.\n affectedBoundary.x2New = Math.max(maxXNew, affectedBoundary.x2);\n }\n }\n\n // Fixing the horizon.\n var changedHorizon = [], lastBoundary = null;\n for (q = i; q <= j; q++) {\n horizonPart = horizon[q];\n affectedBoundary = horizonPart.boundary;\n // Checking which boundary will be visible.\n var useBoundary = affectedBoundary.x2 > boundary.x2 ?\n affectedBoundary : boundary;\n if (lastBoundary === useBoundary) {\n // Merging with previous.\n changedHorizon[changedHorizon.length - 1].end = horizonPart.end;\n } else {\n changedHorizon.push({\n start: horizonPart.start,\n end: horizonPart.end,\n boundary: useBoundary,\n });\n lastBoundary = useBoundary;\n }\n }\n if (horizon[i].start < boundary.y1) {\n changedHorizon[0].start = boundary.y1;\n changedHorizon.unshift({\n start: horizon[i].start,\n end: boundary.y1,\n boundary: horizon[i].boundary,\n });\n }\n if (boundary.y2 < horizon[j].end) {\n changedHorizon[changedHorizon.length - 1].end = boundary.y2;\n changedHorizon.push({\n start: boundary.y2,\n end: horizon[j].end,\n boundary: horizon[j].boundary,\n });\n }\n\n // Set x2 new of boundary that is no longer visible (see overlapping case\n // above).\n // TODO more efficient, e.g. via reference counting.\n for (q = i; q <= j; q++) {\n horizonPart = horizon[q];\n affectedBoundary = horizonPart.boundary;\n if (affectedBoundary.x2New !== undefined) {\n continue;\n }\n var used = false;\n for (k = i - 1; !used && k >= 0 &&\n horizon[k].start >= affectedBoundary.y1; k--) {\n used = horizon[k].boundary === affectedBoundary;\n }\n for (k = j + 1; !used && k < horizon.length &&\n horizon[k].end <= affectedBoundary.y2; k++) {\n used = horizon[k].boundary === affectedBoundary;\n }\n for (k = 0; !used && k < changedHorizon.length; k++) {\n used = changedHorizon[k].boundary === affectedBoundary;\n }\n if (!used) {\n affectedBoundary.x2New = maxXNew;\n }\n }\n\n Array.prototype.splice.apply(horizon,\n [i, j - i + 1].concat(changedHorizon));\n });\n\n // Set new x2 for all unset boundaries.\n horizon.forEach(function (horizonPart) {\n var affectedBoundary = horizonPart.boundary;\n if (affectedBoundary.x2New === undefined) {\n affectedBoundary.x2New = Math.max(width, affectedBoundary.x2);\n }\n });\n }\n\n /**\n * Text layer rendering task.\n *\n * @param {TextContent} textContent\n * @param {HTMLElement} container\n * @param {PageViewport} viewport\n * @param {Array} textDivs\n * @param {boolean} enhanceTextSelection\n * @private\n */\n function TextLayerRenderTask({ textContent, textContentStream, container,\n viewport, textDivs, textContentItemsStr,\n enhanceTextSelection, }) {\n this._textContent = textContent;\n this._textContentStream = textContentStream;\n this._container = container;\n this._viewport = viewport;\n this._textDivs = textDivs || [];\n this._textContentItemsStr = textContentItemsStr || [];\n this._enhanceTextSelection = !!enhanceTextSelection;\n\n this._reader = null;\n this._layoutTextLastFontSize = null;\n this._layoutTextLastFontFamily = null;\n this._layoutTextCtx = null;\n this._textDivProperties = new WeakMap();\n this._renderingDone = false;\n this._canceled = false;\n this._capability = createPromiseCapability();\n this._renderTimer = null;\n this._bounds = [];\n }\n TextLayerRenderTask.prototype = {\n get promise() {\n return this._capability.promise;\n },\n\n cancel: function TextLayer_cancel() {\n if (this._reader) {\n this._reader.cancel(new AbortException('text layer task cancelled'));\n this._reader = null;\n }\n this._canceled = true;\n if (this._renderTimer !== null) {\n clearTimeout(this._renderTimer);\n this._renderTimer = null;\n }\n this._capability.reject('canceled');\n },\n\n _processItems(items, styleCache) {\n for (let i = 0, len = items.length; i < len; i++) {\n this._textContentItemsStr.push(items[i].str);\n appendText(this, items[i], styleCache);\n }\n },\n\n _layoutText(textDiv) {\n let textLayerFrag = this._container;\n\n let textDivProperties = this._textDivProperties.get(textDiv);\n if (textDivProperties.isWhitespace) {\n return;\n }\n\n let fontSize = textDiv.style.fontSize;\n let fontFamily = textDiv.style.fontFamily;\n\n // Only build font string and set to context if different from last.\n if (fontSize !== this._layoutTextLastFontSize ||\n fontFamily !== this._layoutTextLastFontFamily) {\n this._layoutTextCtx.font = fontSize + ' ' + fontFamily;\n this._lastFontSize = fontSize;\n this._lastFontFamily = fontFamily;\n }\n\n let width = this._layoutTextCtx.measureText(textDiv.textContent).width;\n\n let transform = '';\n if (textDivProperties.canvasWidth !== 0 && width > 0) {\n textDivProperties.scale = textDivProperties.canvasWidth / width;\n transform = 'scaleX(' + textDivProperties.scale + ')';\n }\n if (textDivProperties.angle !== 0) {\n transform = 'rotate(' + textDivProperties.angle + 'deg) ' + transform;\n }\n if (transform !== '') {\n textDivProperties.originalTransform = transform;\n CustomStyle.setProp('transform', textDiv, transform);\n }\n this._textDivProperties.set(textDiv, textDivProperties);\n textLayerFrag.appendChild(textDiv);\n },\n\n _render: function TextLayer_render(timeout) {\n let capability = createPromiseCapability();\n let styleCache = Object.create(null);\n\n // The temporary canvas is used to measure text length in the DOM.\n let canvas = document.createElement('canvas');\n if (typeof PDFJSDev === 'undefined' ||\n PDFJSDev.test('FIREFOX || MOZCENTRAL || GENERIC')) {\n canvas.mozOpaque = true;\n }\n this._layoutTextCtx = canvas.getContext('2d', { alpha: false, });\n\n if (this._textContent) {\n let textItems = this._textContent.items;\n let textStyles = this._textContent.styles;\n this._processItems(textItems, textStyles);\n capability.resolve();\n } else if (this._textContentStream) {\n let pump = () => {\n this._reader.read().then(({ value, done, }) => {\n if (done) {\n capability.resolve();\n return;\n }\n\n Util.extendObj(styleCache, value.styles);\n this._processItems(value.items, styleCache);\n pump();\n\n }, capability.reject);\n };\n\n this._reader = this._textContentStream.getReader();\n pump();\n } else {\n throw new Error('Neither \"textContent\" nor \"textContentStream\"' +\n ' parameters specified.');\n }\n\n capability.promise.then(() => {\n styleCache = null;\n if (!timeout) { // Render right away\n render(this);\n } else { // Schedule\n this._renderTimer = setTimeout(() => {\n render(this);\n this._renderTimer = null;\n }, timeout);\n }\n }, this._capability.reject);\n },\n\n expandTextDivs: function TextLayer_expandTextDivs(expandDivs) {\n if (!this._enhanceTextSelection || !this._renderingDone) {\n return;\n }\n if (this._bounds !== null) {\n expand(this);\n this._bounds = null;\n }\n\n for (var i = 0, ii = this._textDivs.length; i < ii; i++) {\n var div = this._textDivs[i];\n var divProperties = this._textDivProperties.get(div);\n\n if (divProperties.isWhitespace) {\n continue;\n }\n if (expandDivs) {\n var transform = '', padding = '';\n\n if (divProperties.scale !== 1) {\n transform = 'scaleX(' + divProperties.scale + ')';\n }\n if (divProperties.angle !== 0) {\n transform = 'rotate(' + divProperties.angle + 'deg) ' + transform;\n }\n if (divProperties.paddingLeft !== 0) {\n padding += ' padding-left: ' +\n (divProperties.paddingLeft / divProperties.scale) + 'px;';\n transform += ' translateX(' +\n (-divProperties.paddingLeft / divProperties.scale) + 'px)';\n }\n if (divProperties.paddingTop !== 0) {\n padding += ' padding-top: ' + divProperties.paddingTop + 'px;';\n transform += ' translateY(' + (-divProperties.paddingTop) + 'px)';\n }\n if (divProperties.paddingRight !== 0) {\n padding += ' padding-right: ' +\n (divProperties.paddingRight / divProperties.scale) + 'px;';\n }\n if (divProperties.paddingBottom !== 0) {\n padding += ' padding-bottom: ' +\n divProperties.paddingBottom + 'px;';\n }\n\n if (padding !== '') {\n div.setAttribute('style', divProperties.style + padding);\n }\n if (transform !== '') {\n CustomStyle.setProp('transform', div, transform);\n }\n } else {\n div.style.padding = 0;\n CustomStyle.setProp('transform', div,\n divProperties.originalTransform || '');\n }\n }\n },\n };\n\n /**\n * Starts rendering of the text layer.\n *\n * @param {TextLayerRenderParameters} renderParameters\n * @returns {TextLayerRenderTask}\n */\n function renderTextLayer(renderParameters) {\n var task = new TextLayerRenderTask({\n textContent: renderParameters.textContent,\n textContentStream: renderParameters.textContentStream,\n container: renderParameters.container,\n viewport: renderParameters.viewport,\n textDivs: renderParameters.textDivs,\n textContentItemsStr: renderParameters.textContentItemsStr,\n enhanceTextSelection: renderParameters.enhanceTextSelection,\n });\n task._render(renderParameters.timeout);\n return task;\n }\n\n return renderTextLayer;\n})();\n\nexport {\n renderTextLayer,\n};\n\n\n\n// WEBPACK FOOTER //\n// src/display/text_layer.js","/* Copyright 2012 Mozilla Foundation\n *\n * Licensed under the Apache License, Version 2.0 (the \"License\");\n * you may not use this file except in compliance with the License.\n * You may obtain a copy of the License at\n *\n * http://www.apache.org/licenses/LICENSE-2.0\n *\n * Unless required by applicable law or agreed to in writing, software\n * distributed under the License is distributed on an \"AS IS\" BASIS,\n * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.\n * See the License for the specific language governing permissions and\n * limitations under the License.\n */\n\nfunction fixMetadata(meta) {\n return meta.replace(/>\\\\376\\\\377([^<]+)/g, function(all, codes) {\n var bytes = codes.replace(/\\\\([0-3])([0-7])([0-7])/g,\n function(code, d1, d2, d3) {\n return String.fromCharCode(d1 * 64 + d2 * 8 + d3 * 1);\n });\n var chars = '';\n for (var i = 0; i < bytes.length; i += 2) {\n var code = bytes.charCodeAt(i) * 256 + bytes.charCodeAt(i + 1);\n chars += (code >= 32 && code < 127 && code !== 60 && code !== 62 &&\n code !== 38) ? String.fromCharCode(code) :\n '&#x' + (0x10000 + code).toString(16).substring(1) + ';';\n }\n return '>' + chars;\n });\n}\n\nfunction Metadata(meta) {\n if (typeof meta === 'string') {\n // Ghostscript produces invalid metadata\n meta = fixMetadata(meta);\n\n var parser = new DOMParser();\n meta = parser.parseFromString(meta, 'application/xml');\n } else if (!(meta instanceof Document)) {\n throw new Error('Metadata: Invalid metadata object');\n }\n\n this.metaDocument = meta;\n this.metadata = Object.create(null);\n this.parse();\n}\n\nMetadata.prototype = {\n parse: function Metadata_parse() {\n var doc = this.metaDocument;\n var rdf = doc.documentElement;\n\n if (rdf.nodeName.toLowerCase() !== 'rdf:rdf') { // Wrapped in \n rdf = rdf.firstChild;\n while (rdf && rdf.nodeName.toLowerCase() !== 'rdf:rdf') {\n rdf = rdf.nextSibling;\n }\n }\n\n var nodeName = (rdf) ? rdf.nodeName.toLowerCase() : null;\n if (!rdf || nodeName !== 'rdf:rdf' || !rdf.hasChildNodes()) {\n return;\n }\n\n var children = rdf.childNodes, desc, entry, name, i, ii, length, iLength;\n for (i = 0, length = children.length; i < length; i++) {\n desc = children[i];\n if (desc.nodeName.toLowerCase() !== 'rdf:description') {\n continue;\n }\n\n for (ii = 0, iLength = desc.childNodes.length; ii < iLength; ii++) {\n if (desc.childNodes[ii].nodeName.toLowerCase() !== '#text') {\n entry = desc.childNodes[ii];\n name = entry.nodeName.toLowerCase();\n this.metadata[name] = entry.textContent.trim();\n }\n }\n }\n },\n\n get: function Metadata_get(name) {\n return this.metadata[name] || null;\n },\n\n has: function Metadata_has(name) {\n return typeof this.metadata[name] !== 'undefined';\n },\n};\n\nexport {\n Metadata,\n};\n\n\n\n// WEBPACK FOOTER //\n// src/display/metadata.js","/* Copyright 2014 Mozilla Foundation\n *\n * Licensed under the Apache License, Version 2.0 (the \"License\");\n * you may not use this file except in compliance with the License.\n * You may obtain a copy of the License at\n *\n * http://www.apache.org/licenses/LICENSE-2.0\n *\n * Unless required by applicable law or agreed to in writing, software\n * distributed under the License is distributed on an \"AS IS\" BASIS,\n * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.\n * See the License for the specific language governing permissions and\n * limitations under the License.\n */\n/* eslint-disable no-multi-str */\n\nimport { getDefaultSetting } from './dom_utils';\nimport { shadow } from '../shared/util';\n\nvar WebGLUtils = (function WebGLUtilsClosure() {\n function loadShader(gl, code, shaderType) {\n var shader = gl.createShader(shaderType);\n gl.shaderSource(shader, code);\n gl.compileShader(shader);\n var compiled = gl.getShaderParameter(shader, gl.COMPILE_STATUS);\n if (!compiled) {\n var errorMsg = gl.getShaderInfoLog(shader);\n throw new Error('Error during shader compilation: ' + errorMsg);\n }\n return shader;\n }\n function createVertexShader(gl, code) {\n return loadShader(gl, code, gl.VERTEX_SHADER);\n }\n function createFragmentShader(gl, code) {\n return loadShader(gl, code, gl.FRAGMENT_SHADER);\n }\n function createProgram(gl, shaders) {\n var program = gl.createProgram();\n for (var i = 0, ii = shaders.length; i < ii; ++i) {\n gl.attachShader(program, shaders[i]);\n }\n gl.linkProgram(program);\n var linked = gl.getProgramParameter(program, gl.LINK_STATUS);\n if (!linked) {\n var errorMsg = gl.getProgramInfoLog(program);\n throw new Error('Error during program linking: ' + errorMsg);\n }\n return program;\n }\n function createTexture(gl, image, textureId) {\n gl.activeTexture(textureId);\n var texture = gl.createTexture();\n gl.bindTexture(gl.TEXTURE_2D, texture);\n\n // Set the parameters so we can render any size image.\n gl.texParameteri(gl.TEXTURE_2D, gl.TEXTURE_WRAP_S, gl.CLAMP_TO_EDGE);\n gl.texParameteri(gl.TEXTURE_2D, gl.TEXTURE_WRAP_T, gl.CLAMP_TO_EDGE);\n gl.texParameteri(gl.TEXTURE_2D, gl.TEXTURE_MIN_FILTER, gl.NEAREST);\n gl.texParameteri(gl.TEXTURE_2D, gl.TEXTURE_MAG_FILTER, gl.NEAREST);\n\n // Upload the image into the texture.\n gl.texImage2D(gl.TEXTURE_2D, 0, gl.RGBA, gl.RGBA, gl.UNSIGNED_BYTE, image);\n return texture;\n }\n\n var currentGL, currentCanvas;\n function generateGL() {\n if (currentGL) {\n return;\n }\n\n // The temporary canvas is used in the WebGL context.\n currentCanvas = document.createElement('canvas');\n currentGL = currentCanvas.getContext('webgl',\n { premultipliedalpha: false, });\n }\n\n var smaskVertexShaderCode = '\\\n attribute vec2 a_position; \\\n attribute vec2 a_texCoord; \\\n \\\n uniform vec2 u_resolution; \\\n \\\n varying vec2 v_texCoord; \\\n \\\n void main() { \\\n vec2 clipSpace = (a_position / u_resolution) * 2.0 - 1.0; \\\n gl_Position = vec4(clipSpace * vec2(1, -1), 0, 1); \\\n \\\n v_texCoord = a_texCoord; \\\n } ';\n\n var smaskFragmentShaderCode = '\\\n precision mediump float; \\\n \\\n uniform vec4 u_backdrop; \\\n uniform int u_subtype; \\\n uniform sampler2D u_image; \\\n uniform sampler2D u_mask; \\\n \\\n varying vec2 v_texCoord; \\\n \\\n void main() { \\\n vec4 imageColor = texture2D(u_image, v_texCoord); \\\n vec4 maskColor = texture2D(u_mask, v_texCoord); \\\n if (u_backdrop.a > 0.0) { \\\n maskColor.rgb = maskColor.rgb * maskColor.a + \\\n u_backdrop.rgb * (1.0 - maskColor.a); \\\n } \\\n float lum; \\\n if (u_subtype == 0) { \\\n lum = maskColor.a; \\\n } else { \\\n lum = maskColor.r * 0.3 + maskColor.g * 0.59 + \\\n maskColor.b * 0.11; \\\n } \\\n imageColor.a *= lum; \\\n imageColor.rgb *= imageColor.a; \\\n gl_FragColor = imageColor; \\\n } ';\n\n var smaskCache = null;\n\n function initSmaskGL() {\n var canvas, gl;\n\n generateGL();\n canvas = currentCanvas;\n currentCanvas = null;\n gl = currentGL;\n currentGL = null;\n\n // setup a GLSL program\n var vertexShader = createVertexShader(gl, smaskVertexShaderCode);\n var fragmentShader = createFragmentShader(gl, smaskFragmentShaderCode);\n var program = createProgram(gl, [vertexShader, fragmentShader]);\n gl.useProgram(program);\n\n var cache = {};\n cache.gl = gl;\n cache.canvas = canvas;\n cache.resolutionLocation = gl.getUniformLocation(program, 'u_resolution');\n cache.positionLocation = gl.getAttribLocation(program, 'a_position');\n cache.backdropLocation = gl.getUniformLocation(program, 'u_backdrop');\n cache.subtypeLocation = gl.getUniformLocation(program, 'u_subtype');\n\n var texCoordLocation = gl.getAttribLocation(program, 'a_texCoord');\n var texLayerLocation = gl.getUniformLocation(program, 'u_image');\n var texMaskLocation = gl.getUniformLocation(program, 'u_mask');\n\n // provide texture coordinates for the rectangle.\n var texCoordBuffer = gl.createBuffer();\n gl.bindBuffer(gl.ARRAY_BUFFER, texCoordBuffer);\n gl.bufferData(gl.ARRAY_BUFFER, new Float32Array([\n 0.0, 0.0,\n 1.0, 0.0,\n 0.0, 1.0,\n 0.0, 1.0,\n 1.0, 0.0,\n 1.0, 1.0]), gl.STATIC_DRAW);\n gl.enableVertexAttribArray(texCoordLocation);\n gl.vertexAttribPointer(texCoordLocation, 2, gl.FLOAT, false, 0, 0);\n\n gl.uniform1i(texLayerLocation, 0);\n gl.uniform1i(texMaskLocation, 1);\n\n smaskCache = cache;\n }\n\n function composeSMask(layer, mask, properties) {\n var width = layer.width, height = layer.height;\n\n if (!smaskCache) {\n initSmaskGL();\n }\n var cache = smaskCache, canvas = cache.canvas, gl = cache.gl;\n canvas.width = width;\n canvas.height = height;\n gl.viewport(0, 0, gl.drawingBufferWidth, gl.drawingBufferHeight);\n gl.uniform2f(cache.resolutionLocation, width, height);\n\n if (properties.backdrop) {\n gl.uniform4f(cache.resolutionLocation, properties.backdrop[0],\n properties.backdrop[1], properties.backdrop[2], 1);\n } else {\n gl.uniform4f(cache.resolutionLocation, 0, 0, 0, 0);\n }\n gl.uniform1i(cache.subtypeLocation,\n properties.subtype === 'Luminosity' ? 1 : 0);\n\n // Create a textures\n var texture = createTexture(gl, layer, gl.TEXTURE0);\n var maskTexture = createTexture(gl, mask, gl.TEXTURE1);\n\n\n // Create a buffer and put a single clipspace rectangle in\n // it (2 triangles)\n var buffer = gl.createBuffer();\n gl.bindBuffer(gl.ARRAY_BUFFER, buffer);\n gl.bufferData(gl.ARRAY_BUFFER, new Float32Array([\n 0, 0,\n width, 0,\n 0, height,\n 0, height,\n width, 0,\n width, height]), gl.STATIC_DRAW);\n gl.enableVertexAttribArray(cache.positionLocation);\n gl.vertexAttribPointer(cache.positionLocation, 2, gl.FLOAT, false, 0, 0);\n\n // draw\n gl.clearColor(0, 0, 0, 0);\n gl.enable(gl.BLEND);\n gl.blendFunc(gl.ONE, gl.ONE_MINUS_SRC_ALPHA);\n gl.clear(gl.COLOR_BUFFER_BIT);\n\n gl.drawArrays(gl.TRIANGLES, 0, 6);\n\n gl.flush();\n\n gl.deleteTexture(texture);\n gl.deleteTexture(maskTexture);\n gl.deleteBuffer(buffer);\n\n return canvas;\n }\n\n var figuresVertexShaderCode = '\\\n attribute vec2 a_position; \\\n attribute vec3 a_color; \\\n \\\n uniform vec2 u_resolution; \\\n uniform vec2 u_scale; \\\n uniform vec2 u_offset; \\\n \\\n varying vec4 v_color; \\\n \\\n void main() { \\\n vec2 position = (a_position + u_offset) * u_scale; \\\n vec2 clipSpace = (position / u_resolution) * 2.0 - 1.0; \\\n gl_Position = vec4(clipSpace * vec2(1, -1), 0, 1); \\\n \\\n v_color = vec4(a_color / 255.0, 1.0); \\\n } ';\n\n var figuresFragmentShaderCode = '\\\n precision mediump float; \\\n \\\n varying vec4 v_color; \\\n \\\n void main() { \\\n gl_FragColor = v_color; \\\n } ';\n\n var figuresCache = null;\n\n function initFiguresGL() {\n var canvas, gl;\n\n generateGL();\n canvas = currentCanvas;\n currentCanvas = null;\n gl = currentGL;\n currentGL = null;\n\n // setup a GLSL program\n var vertexShader = createVertexShader(gl, figuresVertexShaderCode);\n var fragmentShader = createFragmentShader(gl, figuresFragmentShaderCode);\n var program = createProgram(gl, [vertexShader, fragmentShader]);\n gl.useProgram(program);\n\n var cache = {};\n cache.gl = gl;\n cache.canvas = canvas;\n cache.resolutionLocation = gl.getUniformLocation(program, 'u_resolution');\n cache.scaleLocation = gl.getUniformLocation(program, 'u_scale');\n cache.offsetLocation = gl.getUniformLocation(program, 'u_offset');\n cache.positionLocation = gl.getAttribLocation(program, 'a_position');\n cache.colorLocation = gl.getAttribLocation(program, 'a_color');\n\n figuresCache = cache;\n }\n\n function drawFigures(width, height, backgroundColor, figures, context) {\n if (!figuresCache) {\n initFiguresGL();\n }\n var cache = figuresCache, canvas = cache.canvas, gl = cache.gl;\n\n canvas.width = width;\n canvas.height = height;\n gl.viewport(0, 0, gl.drawingBufferWidth, gl.drawingBufferHeight);\n gl.uniform2f(cache.resolutionLocation, width, height);\n\n // count triangle points\n var count = 0;\n var i, ii, rows;\n for (i = 0, ii = figures.length; i < ii; i++) {\n switch (figures[i].type) {\n case 'lattice':\n rows = (figures[i].coords.length / figures[i].verticesPerRow) | 0;\n count += (rows - 1) * (figures[i].verticesPerRow - 1) * 6;\n break;\n case 'triangles':\n count += figures[i].coords.length;\n break;\n }\n }\n // transfer data\n var coords = new Float32Array(count * 2);\n var colors = new Uint8Array(count * 3);\n var coordsMap = context.coords, colorsMap = context.colors;\n var pIndex = 0, cIndex = 0;\n for (i = 0, ii = figures.length; i < ii; i++) {\n var figure = figures[i], ps = figure.coords, cs = figure.colors;\n switch (figure.type) {\n case 'lattice':\n var cols = figure.verticesPerRow;\n rows = (ps.length / cols) | 0;\n for (var row = 1; row < rows; row++) {\n var offset = row * cols + 1;\n for (var col = 1; col < cols; col++, offset++) {\n coords[pIndex] = coordsMap[ps[offset - cols - 1]];\n coords[pIndex + 1] = coordsMap[ps[offset - cols - 1] + 1];\n coords[pIndex + 2] = coordsMap[ps[offset - cols]];\n coords[pIndex + 3] = coordsMap[ps[offset - cols] + 1];\n coords[pIndex + 4] = coordsMap[ps[offset - 1]];\n coords[pIndex + 5] = coordsMap[ps[offset - 1] + 1];\n colors[cIndex] = colorsMap[cs[offset - cols - 1]];\n colors[cIndex + 1] = colorsMap[cs[offset - cols - 1] + 1];\n colors[cIndex + 2] = colorsMap[cs[offset - cols - 1] + 2];\n colors[cIndex + 3] = colorsMap[cs[offset - cols]];\n colors[cIndex + 4] = colorsMap[cs[offset - cols] + 1];\n colors[cIndex + 5] = colorsMap[cs[offset - cols] + 2];\n colors[cIndex + 6] = colorsMap[cs[offset - 1]];\n colors[cIndex + 7] = colorsMap[cs[offset - 1] + 1];\n colors[cIndex + 8] = colorsMap[cs[offset - 1] + 2];\n\n coords[pIndex + 6] = coords[pIndex + 2];\n coords[pIndex + 7] = coords[pIndex + 3];\n coords[pIndex + 8] = coords[pIndex + 4];\n coords[pIndex + 9] = coords[pIndex + 5];\n coords[pIndex + 10] = coordsMap[ps[offset]];\n coords[pIndex + 11] = coordsMap[ps[offset] + 1];\n colors[cIndex + 9] = colors[cIndex + 3];\n colors[cIndex + 10] = colors[cIndex + 4];\n colors[cIndex + 11] = colors[cIndex + 5];\n colors[cIndex + 12] = colors[cIndex + 6];\n colors[cIndex + 13] = colors[cIndex + 7];\n colors[cIndex + 14] = colors[cIndex + 8];\n colors[cIndex + 15] = colorsMap[cs[offset]];\n colors[cIndex + 16] = colorsMap[cs[offset] + 1];\n colors[cIndex + 17] = colorsMap[cs[offset] + 2];\n pIndex += 12;\n cIndex += 18;\n }\n }\n break;\n case 'triangles':\n for (var j = 0, jj = ps.length; j < jj; j++) {\n coords[pIndex] = coordsMap[ps[j]];\n coords[pIndex + 1] = coordsMap[ps[j] + 1];\n colors[cIndex] = colorsMap[cs[j]];\n colors[cIndex + 1] = colorsMap[cs[j] + 1];\n colors[cIndex + 2] = colorsMap[cs[j] + 2];\n pIndex += 2;\n cIndex += 3;\n }\n break;\n }\n }\n\n // draw\n if (backgroundColor) {\n gl.clearColor(backgroundColor[0] / 255, backgroundColor[1] / 255,\n backgroundColor[2] / 255, 1.0);\n } else {\n gl.clearColor(0, 0, 0, 0);\n }\n gl.clear(gl.COLOR_BUFFER_BIT);\n\n var coordsBuffer = gl.createBuffer();\n gl.bindBuffer(gl.ARRAY_BUFFER, coordsBuffer);\n gl.bufferData(gl.ARRAY_BUFFER, coords, gl.STATIC_DRAW);\n gl.enableVertexAttribArray(cache.positionLocation);\n gl.vertexAttribPointer(cache.positionLocation, 2, gl.FLOAT, false, 0, 0);\n\n var colorsBuffer = gl.createBuffer();\n gl.bindBuffer(gl.ARRAY_BUFFER, colorsBuffer);\n gl.bufferData(gl.ARRAY_BUFFER, colors, gl.STATIC_DRAW);\n gl.enableVertexAttribArray(cache.colorLocation);\n gl.vertexAttribPointer(cache.colorLocation, 3, gl.UNSIGNED_BYTE, false,\n 0, 0);\n\n gl.uniform2f(cache.scaleLocation, context.scaleX, context.scaleY);\n gl.uniform2f(cache.offsetLocation, context.offsetX, context.offsetY);\n\n gl.drawArrays(gl.TRIANGLES, 0, count);\n\n gl.flush();\n\n gl.deleteBuffer(coordsBuffer);\n gl.deleteBuffer(colorsBuffer);\n\n return canvas;\n }\n\n function cleanup() {\n if (smaskCache && smaskCache.canvas) {\n smaskCache.canvas.width = 0;\n smaskCache.canvas.height = 0;\n }\n if (figuresCache && figuresCache.canvas) {\n figuresCache.canvas.width = 0;\n figuresCache.canvas.height = 0;\n }\n smaskCache = null;\n figuresCache = null;\n }\n\n return {\n get isEnabled() {\n if (getDefaultSetting('disableWebGL')) {\n return false;\n }\n var enabled = false;\n try {\n generateGL();\n enabled = !!currentGL;\n } catch (e) { }\n return shadow(this, 'isEnabled', enabled);\n },\n composeSMask,\n drawFigures,\n clear: cleanup,\n };\n})();\n\nexport {\n WebGLUtils,\n};\n\n\n\n// WEBPACK FOOTER //\n// src/display/webgl.js","/* Copyright 2015 Mozilla Foundation\n *\n * Licensed under the Apache License, Version 2.0 (the \"License\");\n * you may not use this file except in compliance with the License.\n * You may obtain a copy of the License at\n *\n * http://www.apache.org/licenses/LICENSE-2.0\n *\n * Unless required by applicable law or agreed to in writing, software\n * distributed under the License is distributed on an \"AS IS\" BASIS,\n * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.\n * See the License for the specific language governing permissions and\n * limitations under the License.\n */\n\nimport {\n _UnsupportedManager, getDocument, LoopbackPort, PDFDataRangeTransport,\n PDFWorker\n} from './api';\nimport {\n addLinkAttributes, CustomStyle, DEFAULT_LINK_REL, getFilenameFromUrl,\n isExternalLinkTargetSet, isValidUrl, LinkTarget\n} from './dom_utils';\nimport {\n createBlob, createObjectURL, createPromiseCapability, deprecated,\n getVerbosityLevel, globalScope, InvalidPDFException, isLittleEndian,\n MissingPDFException, OPS, PageViewport, PasswordException, PasswordResponses,\n removeNullCharacters, setVerbosityLevel, shadow, UnexpectedResponseException,\n UnknownErrorException, UNSUPPORTED_FEATURES, Util, VERBOSITY_LEVELS, warn\n} from '../shared/util';\nimport { AnnotationLayer } from './annotation_layer';\nimport { Metadata } from './metadata';\nimport { renderTextLayer } from './text_layer';\nimport { SVGGraphics } from './svg';\n\nvar isWorker = (typeof window === 'undefined');\n\n// The global PDFJS object is now deprecated and will not be supported in\n// the future. The members below are maintained for backward compatibility\n// and shall not be extended or modified. If the global.js is included as\n// a module, we will create a global PDFJS object instance or use existing.\nif (!globalScope.PDFJS) {\n globalScope.PDFJS = {};\n}\nvar PDFJS = globalScope.PDFJS;\n\nif (typeof PDFJSDev !== 'undefined') {\n PDFJS.version = PDFJSDev.eval('BUNDLE_VERSION');\n PDFJS.build = PDFJSDev.eval('BUNDLE_BUILD');\n}\n\nPDFJS.pdfBug = false;\n\nif (PDFJS.verbosity !== undefined) {\n setVerbosityLevel(PDFJS.verbosity);\n}\ndelete PDFJS.verbosity;\nObject.defineProperty(PDFJS, 'verbosity', {\n get() {\n return getVerbosityLevel();\n },\n set(level) {\n setVerbosityLevel(level);\n },\n enumerable: true,\n configurable: true,\n});\n\nPDFJS.VERBOSITY_LEVELS = VERBOSITY_LEVELS;\nPDFJS.OPS = OPS;\nPDFJS.UNSUPPORTED_FEATURES = UNSUPPORTED_FEATURES;\nPDFJS.isValidUrl = isValidUrl;\nPDFJS.shadow = shadow;\nPDFJS.createBlob = createBlob;\nPDFJS.createObjectURL = function PDFJS_createObjectURL(data, contentType) {\n return createObjectURL(data, contentType, PDFJS.disableCreateObjectURL);\n};\nObject.defineProperty(PDFJS, 'isLittleEndian', {\n configurable: true,\n get: function PDFJS_isLittleEndian() {\n return shadow(PDFJS, 'isLittleEndian', isLittleEndian());\n },\n});\nPDFJS.removeNullCharacters = removeNullCharacters;\nPDFJS.PasswordResponses = PasswordResponses;\nPDFJS.PasswordException = PasswordException;\nPDFJS.UnknownErrorException = UnknownErrorException;\nPDFJS.InvalidPDFException = InvalidPDFException;\nPDFJS.MissingPDFException = MissingPDFException;\nPDFJS.UnexpectedResponseException = UnexpectedResponseException;\nPDFJS.Util = Util;\nPDFJS.PageViewport = PageViewport;\nPDFJS.createPromiseCapability = createPromiseCapability;\n\n/**\n * The maximum allowed image size in total pixels e.g. width * height. Images\n * above this value will not be drawn. Use -1 for no limit.\n * @var {number}\n */\nPDFJS.maxImageSize = (PDFJS.maxImageSize === undefined ?\n -1 : PDFJS.maxImageSize);\n\n/**\n * The url of where the predefined Adobe CMaps are located. Include trailing\n * slash.\n * @var {string}\n */\nPDFJS.cMapUrl = (PDFJS.cMapUrl === undefined ? null : PDFJS.cMapUrl);\n\n/**\n * Specifies if CMaps are binary packed.\n * @var {boolean}\n */\nPDFJS.cMapPacked = PDFJS.cMapPacked === undefined ? false : PDFJS.cMapPacked;\n\n/**\n * By default fonts are converted to OpenType fonts and loaded via font face\n * rules. If disabled, the font will be rendered using a built in font\n * renderer that constructs the glyphs with primitive path commands.\n * @var {boolean}\n */\nPDFJS.disableFontFace = (PDFJS.disableFontFace === undefined ?\n false : PDFJS.disableFontFace);\n\n/**\n * Path for image resources, mainly for annotation icons. Include trailing\n * slash.\n * @var {string}\n */\nPDFJS.imageResourcesPath = (PDFJS.imageResourcesPath === undefined ?\n '' : PDFJS.imageResourcesPath);\n\n/**\n * Disable the web worker and run all code on the main thread. This will\n * happen automatically if the browser doesn't support workers or sending\n * typed arrays to workers.\n * @var {boolean}\n */\nPDFJS.disableWorker = (PDFJS.disableWorker === undefined ?\n false : PDFJS.disableWorker);\n\n/**\n * Path and filename of the worker file. Required when the worker is enabled\n * in development mode. If unspecified in the production build, the worker\n * will be loaded based on the location of the pdf.js file. It is recommended\n * that the workerSrc is set in a custom application to prevent issues caused\n * by third-party frameworks and libraries.\n * @var {string}\n */\nPDFJS.workerSrc = (PDFJS.workerSrc === undefined ? null : PDFJS.workerSrc);\n\n/**\n * Defines global port for worker process. Overrides workerSrc and\n * disableWorker setting.\n */\nPDFJS.workerPort = (PDFJS.workerPort === undefined ? null : PDFJS.workerPort);\n\n/**\n * Disable range request loading of PDF files. When enabled and if the server\n * supports partial content requests then the PDF will be fetched in chunks.\n * Enabled (false) by default.\n * @var {boolean}\n */\nPDFJS.disableRange = (PDFJS.disableRange === undefined ?\n false : PDFJS.disableRange);\n\n/**\n * Disable streaming of PDF file data. By default PDF.js attempts to load PDF\n * in chunks. This default behavior can be disabled.\n * @var {boolean}\n */\nPDFJS.disableStream = (PDFJS.disableStream === undefined ?\n false : PDFJS.disableStream);\n\n/**\n * Disable pre-fetching of PDF file data. When range requests are enabled\n * PDF.js will automatically keep fetching more data even if it isn't needed\n * to display the current page. This default behavior can be disabled.\n *\n * NOTE: It is also necessary to disable streaming, see above,\n * in order for disabling of pre-fetching to work correctly.\n * @var {boolean}\n */\nPDFJS.disableAutoFetch = (PDFJS.disableAutoFetch === undefined ?\n false : PDFJS.disableAutoFetch);\n\n/**\n * Enables special hooks for debugging PDF.js.\n * @var {boolean}\n */\nPDFJS.pdfBug = (PDFJS.pdfBug === undefined ? false : PDFJS.pdfBug);\n\n/**\n * Enables transfer usage in postMessage for ArrayBuffers.\n * @var {boolean}\n */\nPDFJS.postMessageTransfers = (PDFJS.postMessageTransfers === undefined ?\n true : PDFJS.postMessageTransfers);\n\n/**\n * Disables URL.createObjectURL usage.\n * @var {boolean}\n */\nPDFJS.disableCreateObjectURL = (PDFJS.disableCreateObjectURL === undefined ?\n false : PDFJS.disableCreateObjectURL);\n\n/**\n * Disables WebGL usage.\n * @var {boolean}\n */\nPDFJS.disableWebGL = (PDFJS.disableWebGL === undefined ?\n true : PDFJS.disableWebGL);\n\n/**\n * Specifies the |target| attribute for external links.\n * The constants from PDFJS.LinkTarget should be used:\n * - NONE [default]\n * - SELF\n * - BLANK\n * - PARENT\n * - TOP\n * @var {number}\n */\nPDFJS.externalLinkTarget = (PDFJS.externalLinkTarget === undefined ?\n LinkTarget.NONE : PDFJS.externalLinkTarget);\n\n/**\n * Specifies the |rel| attribute for external links. Defaults to stripping\n * the referrer.\n * @var {string}\n */\nPDFJS.externalLinkRel = (PDFJS.externalLinkRel === undefined ?\n DEFAULT_LINK_REL : PDFJS.externalLinkRel);\n\n/**\n * Determines if we can eval strings as JS. Primarily used to improve\n * performance for font rendering.\n * @var {boolean}\n */\nPDFJS.isEvalSupported = (PDFJS.isEvalSupported === undefined ?\n true : PDFJS.isEvalSupported);\n\n/**\n * Opt-in to backwards incompatible API changes. NOTE:\n * If the `PDFJS_NEXT` build flag is set, it will override this setting.\n * @var {boolean}\n */\nPDFJS.pdfjsNext = (PDFJS.pdfjsNext === undefined) ? false : PDFJS.pdfjsNext;\n\nif (typeof PDFJSDev === 'undefined' || !PDFJSDev.test('MOZCENTRAL')) {\n var savedOpenExternalLinksInNewWindow = PDFJS.openExternalLinksInNewWindow;\n delete PDFJS.openExternalLinksInNewWindow;\n Object.defineProperty(PDFJS, 'openExternalLinksInNewWindow', {\n get() {\n return PDFJS.externalLinkTarget === LinkTarget.BLANK;\n },\n set(value) {\n if (value) {\n deprecated('PDFJS.openExternalLinksInNewWindow, please use ' +\n '\"PDFJS.externalLinkTarget = PDFJS.LinkTarget.BLANK\" instead.');\n }\n if (PDFJS.externalLinkTarget !== LinkTarget.NONE) {\n warn('PDFJS.externalLinkTarget is already initialized');\n return;\n }\n PDFJS.externalLinkTarget = value ? LinkTarget.BLANK : LinkTarget.NONE;\n },\n enumerable: true,\n configurable: true,\n });\n if (savedOpenExternalLinksInNewWindow) {\n /**\n * (Deprecated) Opens external links in a new window if enabled.\n * The default behavior opens external links in the PDF.js window.\n *\n * NOTE: This property has been deprecated, please use\n * `PDFJS.externalLinkTarget = PDFJS.LinkTarget.BLANK` instead.\n * @var {boolean}\n */\n PDFJS.openExternalLinksInNewWindow = savedOpenExternalLinksInNewWindow;\n }\n}\n\nPDFJS.getDocument = getDocument;\nPDFJS.LoopbackPort = LoopbackPort;\nPDFJS.PDFDataRangeTransport = PDFDataRangeTransport;\nPDFJS.PDFWorker = PDFWorker;\n\nPDFJS.hasCanvasTypedArrays = true; // compatibility.js ensures this invariant\nPDFJS.CustomStyle = CustomStyle;\nPDFJS.LinkTarget = LinkTarget;\nPDFJS.addLinkAttributes = addLinkAttributes;\nPDFJS.getFilenameFromUrl = getFilenameFromUrl;\nPDFJS.isExternalLinkTargetSet = isExternalLinkTargetSet;\n\nPDFJS.AnnotationLayer = AnnotationLayer;\n\nPDFJS.renderTextLayer = renderTextLayer;\n\nPDFJS.Metadata = Metadata;\n\nPDFJS.SVGGraphics = SVGGraphics;\n\nPDFJS.UnsupportedManager = _UnsupportedManager;\n\nexport {\n globalScope,\n isWorker,\n PDFJS,\n};\n\n\n\n// WEBPACK FOOTER //\n// src/display/global.js","/* Copyright 2012 Mozilla Foundation\n *\n * Licensed under the Apache License, Version 2.0 (the \"License\");\n * you may not use this file except in compliance with the License.\n * You may obtain a copy of the License at\n *\n * http://www.apache.org/licenses/LICENSE-2.0\n *\n * Unless required by applicable law or agreed to in writing, software\n * distributed under the License is distributed on an \"AS IS\" BASIS,\n * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.\n * See the License for the specific language governing permissions and\n * limitations under the License.\n */\n\nimport {\n assert, createPromiseCapability, globalScope, isInt, MissingPDFException,\n UnexpectedResponseException\n} from '../shared/util';\nimport { setPDFNetworkStreamClass } from './api';\n\nif (typeof PDFJSDev !== 'undefined' && PDFJSDev.test('FIREFOX || MOZCENTRAL')) {\n throw new Error('Module \"./network\" shall not ' +\n 'be used with FIREFOX or MOZCENTRAL build.');\n}\n\nvar OK_RESPONSE = 200;\nvar PARTIAL_CONTENT_RESPONSE = 206;\n\nfunction NetworkManager(url, args) {\n this.url = url;\n args = args || {};\n this.isHttp = /^https?:/i.test(url);\n this.httpHeaders = (this.isHttp && args.httpHeaders) || {};\n this.withCredentials = args.withCredentials || false;\n this.getXhr = args.getXhr ||\n function NetworkManager_getXhr() {\n return new XMLHttpRequest();\n };\n\n this.currXhrId = 0;\n this.pendingRequests = Object.create(null);\n this.loadedRequests = Object.create(null);\n}\n\nfunction getArrayBuffer(xhr) {\n var data = xhr.response;\n if (typeof data !== 'string') {\n return data;\n }\n var length = data.length;\n var array = new Uint8Array(length);\n for (var i = 0; i < length; i++) {\n array[i] = data.charCodeAt(i) & 0xFF;\n }\n return array.buffer;\n}\n\nvar supportsMozChunked =\n typeof PDFJSDev !== 'undefined' && PDFJSDev.test('CHROME') ? false :\n (function supportsMozChunkedClosure() {\n try {\n var x = new XMLHttpRequest();\n // Firefox 37- required .open() to be called before setting responseType.\n // https://bugzilla.mozilla.org/show_bug.cgi?id=707484\n // Even though the URL is not visited, .open() could fail if the URL is\n // blocked, e.g. via the connect-src CSP directive or the NoScript addon.\n // When this error occurs, this feature detection method will mistakenly\n // report that moz-chunked-arraybuffer is not supported in Firefox 37-.\n x.open('GET', globalScope.location.href);\n x.responseType = 'moz-chunked-arraybuffer';\n return x.responseType === 'moz-chunked-arraybuffer';\n } catch (e) {\n return false;\n }\n})();\n\nNetworkManager.prototype = {\n requestRange: function NetworkManager_requestRange(begin, end, listeners) {\n var args = {\n begin,\n end,\n };\n for (var prop in listeners) {\n args[prop] = listeners[prop];\n }\n return this.request(args);\n },\n\n requestFull: function NetworkManager_requestFull(listeners) {\n return this.request(listeners);\n },\n\n request: function NetworkManager_request(args) {\n var xhr = this.getXhr();\n var xhrId = this.currXhrId++;\n var pendingRequest = this.pendingRequests[xhrId] = {\n xhr,\n };\n\n xhr.open('GET', this.url);\n xhr.withCredentials = this.withCredentials;\n for (var property in this.httpHeaders) {\n var value = this.httpHeaders[property];\n if (typeof value === 'undefined') {\n continue;\n }\n xhr.setRequestHeader(property, value);\n }\n if (this.isHttp && 'begin' in args && 'end' in args) {\n var rangeStr = args.begin + '-' + (args.end - 1);\n xhr.setRequestHeader('Range', 'bytes=' + rangeStr);\n pendingRequest.expectedStatus = 206;\n } else {\n pendingRequest.expectedStatus = 200;\n }\n\n var useMozChunkedLoading = supportsMozChunked && !!args.onProgressiveData;\n if (useMozChunkedLoading) {\n xhr.responseType = 'moz-chunked-arraybuffer';\n pendingRequest.onProgressiveData = args.onProgressiveData;\n pendingRequest.mozChunked = true;\n } else {\n xhr.responseType = 'arraybuffer';\n }\n\n if (args.onError) {\n xhr.onerror = function(evt) {\n args.onError(xhr.status);\n };\n }\n xhr.onreadystatechange = this.onStateChange.bind(this, xhrId);\n xhr.onprogress = this.onProgress.bind(this, xhrId);\n\n pendingRequest.onHeadersReceived = args.onHeadersReceived;\n pendingRequest.onDone = args.onDone;\n pendingRequest.onError = args.onError;\n pendingRequest.onProgress = args.onProgress;\n\n xhr.send(null);\n\n return xhrId;\n },\n\n onProgress: function NetworkManager_onProgress(xhrId, evt) {\n var pendingRequest = this.pendingRequests[xhrId];\n if (!pendingRequest) {\n // Maybe abortRequest was called...\n return;\n }\n\n if (pendingRequest.mozChunked) {\n var chunk = getArrayBuffer(pendingRequest.xhr);\n pendingRequest.onProgressiveData(chunk);\n }\n\n var onProgress = pendingRequest.onProgress;\n if (onProgress) {\n onProgress(evt);\n }\n },\n\n onStateChange: function NetworkManager_onStateChange(xhrId, evt) {\n var pendingRequest = this.pendingRequests[xhrId];\n if (!pendingRequest) {\n // Maybe abortRequest was called...\n return;\n }\n\n var xhr = pendingRequest.xhr;\n if (xhr.readyState >= 2 && pendingRequest.onHeadersReceived) {\n pendingRequest.onHeadersReceived();\n delete pendingRequest.onHeadersReceived;\n }\n\n if (xhr.readyState !== 4) {\n return;\n }\n\n if (!(xhrId in this.pendingRequests)) {\n // The XHR request might have been aborted in onHeadersReceived()\n // callback, in which case we should abort request\n return;\n }\n\n delete this.pendingRequests[xhrId];\n\n // success status == 0 can be on ftp, file and other protocols\n if (xhr.status === 0 && this.isHttp) {\n if (pendingRequest.onError) {\n pendingRequest.onError(xhr.status);\n }\n return;\n }\n var xhrStatus = xhr.status || OK_RESPONSE;\n\n // From http://www.w3.org/Protocols/rfc2616/rfc2616-sec14.html#sec14.35.2:\n // \"A server MAY ignore the Range header\". This means it's possible to\n // get a 200 rather than a 206 response from a range request.\n var ok_response_on_range_request =\n xhrStatus === OK_RESPONSE &&\n pendingRequest.expectedStatus === PARTIAL_CONTENT_RESPONSE;\n\n if (!ok_response_on_range_request &&\n xhrStatus !== pendingRequest.expectedStatus) {\n if (pendingRequest.onError) {\n pendingRequest.onError(xhr.status);\n }\n return;\n }\n\n this.loadedRequests[xhrId] = true;\n\n var chunk = getArrayBuffer(xhr);\n if (xhrStatus === PARTIAL_CONTENT_RESPONSE) {\n var rangeHeader = xhr.getResponseHeader('Content-Range');\n var matches = /bytes (\\d+)-(\\d+)\\/(\\d+)/.exec(rangeHeader);\n var begin = parseInt(matches[1], 10);\n pendingRequest.onDone({\n begin,\n chunk,\n });\n } else if (pendingRequest.onProgressiveData) {\n pendingRequest.onDone(null);\n } else if (chunk) {\n pendingRequest.onDone({\n begin: 0,\n chunk,\n });\n } else if (pendingRequest.onError) {\n pendingRequest.onError(xhr.status);\n }\n },\n\n hasPendingRequests: function NetworkManager_hasPendingRequests() {\n for (var xhrId in this.pendingRequests) {\n return true;\n }\n return false;\n },\n\n getRequestXhr: function NetworkManager_getXhr(xhrId) {\n return this.pendingRequests[xhrId].xhr;\n },\n\n isStreamingRequest: function NetworkManager_isStreamingRequest(xhrId) {\n return !!(this.pendingRequests[xhrId].onProgressiveData);\n },\n\n isPendingRequest: function NetworkManager_isPendingRequest(xhrId) {\n return xhrId in this.pendingRequests;\n },\n\n isLoadedRequest: function NetworkManager_isLoadedRequest(xhrId) {\n return xhrId in this.loadedRequests;\n },\n\n abortAllRequests: function NetworkManager_abortAllRequests() {\n for (var xhrId in this.pendingRequests) {\n this.abortRequest(xhrId | 0);\n }\n },\n\n abortRequest: function NetworkManager_abortRequest(xhrId) {\n var xhr = this.pendingRequests[xhrId].xhr;\n delete this.pendingRequests[xhrId];\n xhr.abort();\n },\n};\n\n/** @implements {IPDFStream} */\nfunction PDFNetworkStream(options) {\n this._options = options;\n var source = options.source;\n this._manager = new NetworkManager(source.url, {\n httpHeaders: source.httpHeaders,\n withCredentials: source.withCredentials,\n });\n this._rangeChunkSize = source.rangeChunkSize;\n this._fullRequestReader = null;\n this._rangeRequestReaders = [];\n}\n\nPDFNetworkStream.prototype = {\n _onRangeRequestReaderClosed:\n function PDFNetworkStream_onRangeRequestReaderClosed(reader) {\n var i = this._rangeRequestReaders.indexOf(reader);\n if (i >= 0) {\n this._rangeRequestReaders.splice(i, 1);\n }\n },\n\n getFullReader: function PDFNetworkStream_getFullReader() {\n assert(!this._fullRequestReader);\n this._fullRequestReader =\n new PDFNetworkStreamFullRequestReader(this._manager, this._options);\n return this._fullRequestReader;\n },\n\n getRangeReader: function PDFNetworkStream_getRangeReader(begin, end) {\n var reader = new PDFNetworkStreamRangeRequestReader(this._manager,\n begin, end);\n reader.onClosed = this._onRangeRequestReaderClosed.bind(this);\n this._rangeRequestReaders.push(reader);\n return reader;\n },\n\n cancelAllRequests: function PDFNetworkStream_cancelAllRequests(reason) {\n if (this._fullRequestReader) {\n this._fullRequestReader.cancel(reason);\n }\n var readers = this._rangeRequestReaders.slice(0);\n readers.forEach(function (reader) {\n reader.cancel(reason);\n });\n },\n};\n\n/** @implements {IPDFStreamReader} */\nfunction PDFNetworkStreamFullRequestReader(manager, options) {\n this._manager = manager;\n\n var source = options.source;\n var args = {\n onHeadersReceived: this._onHeadersReceived.bind(this),\n onProgressiveData: source.disableStream ? null :\n this._onProgressiveData.bind(this),\n onDone: this._onDone.bind(this),\n onError: this._onError.bind(this),\n onProgress: this._onProgress.bind(this),\n };\n this._url = source.url;\n this._fullRequestId = manager.requestFull(args);\n this._headersReceivedCapability = createPromiseCapability();\n this._disableRange = options.disableRange || false;\n this._contentLength = source.length; // optional\n this._rangeChunkSize = source.rangeChunkSize;\n if (!this._rangeChunkSize && !this._disableRange) {\n this._disableRange = true;\n }\n\n this._isStreamingSupported = false;\n this._isRangeSupported = false;\n\n this._cachedChunks = [];\n this._requests = [];\n this._done = false;\n this._storedError = undefined;\n\n this.onProgress = null;\n}\n\nPDFNetworkStreamFullRequestReader.prototype = {\n _validateRangeRequestCapabilities: function\n PDFNetworkStreamFullRequestReader_validateRangeRequestCapabilities() {\n\n if (this._disableRange) {\n return false;\n }\n\n var networkManager = this._manager;\n if (!networkManager.isHttp) {\n return false;\n }\n var fullRequestXhrId = this._fullRequestId;\n var fullRequestXhr = networkManager.getRequestXhr(fullRequestXhrId);\n if (fullRequestXhr.getResponseHeader('Accept-Ranges') !== 'bytes') {\n return false;\n }\n\n var contentEncoding =\n fullRequestXhr.getResponseHeader('Content-Encoding') || 'identity';\n if (contentEncoding !== 'identity') {\n return false;\n }\n\n var length = fullRequestXhr.getResponseHeader('Content-Length');\n length = parseInt(length, 10);\n if (!isInt(length)) {\n return false;\n }\n\n this._contentLength = length; // setting right content length\n\n if (length <= 2 * this._rangeChunkSize) {\n // The file size is smaller than the size of two chunks, so it does\n // not make any sense to abort the request and retry with a range\n // request.\n return false;\n }\n\n return true;\n },\n\n _onHeadersReceived:\n function PDFNetworkStreamFullRequestReader_onHeadersReceived() {\n\n if (this._validateRangeRequestCapabilities()) {\n this._isRangeSupported = true;\n }\n\n var networkManager = this._manager;\n var fullRequestXhrId = this._fullRequestId;\n if (networkManager.isStreamingRequest(fullRequestXhrId)) {\n // We can continue fetching when progressive loading is enabled,\n // and we don't need the autoFetch feature.\n this._isStreamingSupported = true;\n } else if (this._isRangeSupported) {\n // NOTE: by cancelling the full request, and then issuing range\n // requests, there will be an issue for sites where you can only\n // request the pdf once. However, if this is the case, then the\n // server should not be returning that it can support range\n // requests.\n networkManager.abortRequest(fullRequestXhrId);\n }\n\n this._headersReceivedCapability.resolve();\n },\n\n _onProgressiveData:\n function PDFNetworkStreamFullRequestReader_onProgressiveData(chunk) {\n if (this._requests.length > 0) {\n var requestCapability = this._requests.shift();\n requestCapability.resolve({ value: chunk, done: false, });\n } else {\n this._cachedChunks.push(chunk);\n }\n },\n\n _onDone: function PDFNetworkStreamFullRequestReader_onDone(args) {\n if (args) {\n this._onProgressiveData(args.chunk);\n }\n this._done = true;\n if (this._cachedChunks.length > 0) {\n return;\n }\n this._requests.forEach(function (requestCapability) {\n requestCapability.resolve({ value: undefined, done: true, });\n });\n this._requests = [];\n },\n\n _onError: function PDFNetworkStreamFullRequestReader_onError(status) {\n var url = this._url;\n var exception;\n if (status === 404 || status === 0 && /^file:/.test(url)) {\n exception = new MissingPDFException('Missing PDF \"' + url + '\".');\n } else {\n exception = new UnexpectedResponseException(\n 'Unexpected server response (' + status +\n ') while retrieving PDF \"' + url + '\".', status);\n }\n this._storedError = exception;\n this._headersReceivedCapability.reject(exception);\n this._requests.forEach(function (requestCapability) {\n requestCapability.reject(exception);\n });\n this._requests = [];\n this._cachedChunks = [];\n },\n\n _onProgress: function PDFNetworkStreamFullRequestReader_onProgress(data) {\n if (this.onProgress) {\n this.onProgress({\n loaded: data.loaded,\n total: data.lengthComputable ? data.total : this._contentLength,\n });\n }\n },\n\n get isRangeSupported() {\n return this._isRangeSupported;\n },\n\n get isStreamingSupported() {\n return this._isStreamingSupported;\n },\n\n get contentLength() {\n return this._contentLength;\n },\n\n get headersReady() {\n return this._headersReceivedCapability.promise;\n },\n\n read: function PDFNetworkStreamFullRequestReader_read() {\n if (this._storedError) {\n return Promise.reject(this._storedError);\n }\n if (this._cachedChunks.length > 0) {\n var chunk = this._cachedChunks.shift();\n return Promise.resolve({ value: chunk, done: false, });\n }\n if (this._done) {\n return Promise.resolve({ value: undefined, done: true, });\n }\n var requestCapability = createPromiseCapability();\n this._requests.push(requestCapability);\n return requestCapability.promise;\n },\n\n cancel: function PDFNetworkStreamFullRequestReader_cancel(reason) {\n this._done = true;\n this._headersReceivedCapability.reject(reason);\n this._requests.forEach(function (requestCapability) {\n requestCapability.resolve({ value: undefined, done: true, });\n });\n this._requests = [];\n if (this._manager.isPendingRequest(this._fullRequestId)) {\n this._manager.abortRequest(this._fullRequestId);\n }\n this._fullRequestReader = null;\n },\n};\n\n/** @implements {IPDFStreamRangeReader} */\nfunction PDFNetworkStreamRangeRequestReader(manager, begin, end) {\n this._manager = manager;\n var args = {\n onDone: this._onDone.bind(this),\n onProgress: this._onProgress.bind(this),\n };\n this._requestId = manager.requestRange(begin, end, args);\n this._requests = [];\n this._queuedChunk = null;\n this._done = false;\n\n this.onProgress = null;\n this.onClosed = null;\n}\n\nPDFNetworkStreamRangeRequestReader.prototype = {\n _close: function PDFNetworkStreamRangeRequestReader_close() {\n if (this.onClosed) {\n this.onClosed(this);\n }\n },\n\n _onDone: function PDFNetworkStreamRangeRequestReader_onDone(data) {\n var chunk = data.chunk;\n if (this._requests.length > 0) {\n var requestCapability = this._requests.shift();\n requestCapability.resolve({ value: chunk, done: false, });\n } else {\n this._queuedChunk = chunk;\n }\n this._done = true;\n this._requests.forEach(function (requestCapability) {\n requestCapability.resolve({ value: undefined, done: true, });\n });\n this._requests = [];\n this._close();\n },\n\n _onProgress: function PDFNetworkStreamRangeRequestReader_onProgress(evt) {\n if (!this.isStreamingSupported && this.onProgress) {\n this.onProgress({\n loaded: evt.loaded,\n });\n }\n },\n\n get isStreamingSupported() {\n return false; // TODO allow progressive range bytes loading\n },\n\n read: function PDFNetworkStreamRangeRequestReader_read() {\n if (this._queuedChunk !== null) {\n var chunk = this._queuedChunk;\n this._queuedChunk = null;\n return Promise.resolve({ value: chunk, done: false, });\n }\n if (this._done) {\n return Promise.resolve({ value: undefined, done: true, });\n }\n var requestCapability = createPromiseCapability();\n this._requests.push(requestCapability);\n return requestCapability.promise;\n },\n\n cancel: function PDFNetworkStreamRangeRequestReader_cancel(reason) {\n this._done = true;\n this._requests.forEach(function (requestCapability) {\n requestCapability.resolve({ value: undefined, done: true, });\n });\n this._requests = [];\n if (this._manager.isPendingRequest(this._requestId)) {\n this._manager.abortRequest(this._requestId);\n }\n this._close();\n },\n};\n\nsetPDFNetworkStreamClass(PDFNetworkStream);\n\nexport {\n PDFNetworkStream,\n NetworkManager,\n};\n\n\n\n// WEBPACK FOOTER //\n// src/display/network.js","/*\n * To the extent possible under law, the authors have dedicated all copyright\n * and related and neighboring rights to this software to the public\n * domain worldwide. This software is distributed without any warranty.\n *\n * You should have received a copy of the CC0 Public Domain Dedication along\n * with this software. If not, see https://creativecommons.org/publicdomain/zero/1.0/.\n */\n\n(function(e, a) { for(var i in a) e[i] = a[i]; }(exports, /******/ (function(modules) { // webpackBootstrap\n/******/ // The module cache\n/******/ var installedModules = {};\n/******/\n/******/ // The require function\n/******/ function __w_pdfjs_require__(moduleId) {\n/******/\n/******/ // Check if module is in cache\n/******/ if(installedModules[moduleId])\n/******/ return installedModules[moduleId].exports;\n/******/\n/******/ // Create a new module (and put it into the cache)\n/******/ var module = installedModules[moduleId] = {\n/******/ i: moduleId,\n/******/ l: false,\n/******/ exports: {}\n/******/ };\n/******/\n/******/ // Execute the module function\n/******/ modules[moduleId].call(module.exports, module, module.exports, __w_pdfjs_require__);\n/******/\n/******/ // Flag the module as loaded\n/******/ module.l = true;\n/******/\n/******/ // Return the exports of the module\n/******/ return module.exports;\n/******/ }\n/******/\n/******/\n/******/ // expose the modules object (__webpack_modules__)\n/******/ __w_pdfjs_require__.m = modules;\n/******/\n/******/ // expose the module cache\n/******/ __w_pdfjs_require__.c = installedModules;\n/******/\n/******/ // identity function for calling harmony imports with the correct context\n/******/ __w_pdfjs_require__.i = function(value) { return value; };\n/******/\n/******/ // define getter function for harmony exports\n/******/ __w_pdfjs_require__.d = function(exports, name, getter) {\n/******/ if(!__w_pdfjs_require__.o(exports, name)) {\n/******/ Object.defineProperty(exports, name, {\n/******/ configurable: false,\n/******/ enumerable: true,\n/******/ get: getter\n/******/ });\n/******/ }\n/******/ };\n/******/\n/******/ // getDefaultExport function for compatibility with non-harmony modules\n/******/ __w_pdfjs_require__.n = function(module) {\n/******/ var getter = module && module.__esModule ?\n/******/ function getDefault() { return module['default']; } :\n/******/ function getModuleExports() { return module; };\n/******/ __w_pdfjs_require__.d(getter, 'a', getter);\n/******/ return getter;\n/******/ };\n/******/\n/******/ // Object.prototype.hasOwnProperty.call\n/******/ __w_pdfjs_require__.o = function(object, property) { return Object.prototype.hasOwnProperty.call(object, property); };\n/******/\n/******/ // __webpack_public_path__\n/******/ __w_pdfjs_require__.p = \"\";\n/******/\n/******/ // Load entry module and return exports\n/******/ return __w_pdfjs_require__(__w_pdfjs_require__.s = 7);\n/******/ })\n/************************************************************************/\n/******/ ([\n/* 0 */\n/***/ (function(module, exports, __w_pdfjs_require__) {\n\n\"use strict\";\n\n\nvar _typeof = typeof Symbol === \"function\" && typeof Symbol.iterator === \"symbol\" ? function (obj) { return typeof obj; } : function (obj) { return obj && typeof Symbol === \"function\" && obj.constructor === Symbol && obj !== Symbol.prototype ? \"symbol\" : typeof obj; };\n\nvar _require = __w_pdfjs_require__(1),\n assert = _require.assert;\n\nfunction IsPropertyKey(argument) {\n return typeof argument === 'string' || (typeof argument === 'undefined' ? 'undefined' : _typeof(argument)) === 'symbol';\n}\n\nexports.typeIsObject = function (x) {\n return (typeof x === 'undefined' ? 'undefined' : _typeof(x)) === 'object' && x !== null || typeof x === 'function';\n};\n\nexports.createDataProperty = function (o, p, v) {\n assert(exports.typeIsObject(o));\n Object.defineProperty(o, p, { value: v, writable: true, enumerable: true, configurable: true });\n};\n\nexports.createArrayFromList = function (elements) {\n // We use arrays to represent lists, so this is basically a no-op.\n // Do a slice though just in case we happen to depend on the unique-ness.\n return elements.slice();\n};\n\nexports.ArrayBufferCopy = function (dest, destOffset, src, srcOffset, n) {\n new Uint8Array(dest).set(new Uint8Array(src, srcOffset, n), destOffset);\n};\n\nexports.CreateIterResultObject = function (value, done) {\n assert(typeof done === 'boolean');\n var obj = {};\n Object.defineProperty(obj, 'value', { value: value, enumerable: true, writable: true, configurable: true });\n Object.defineProperty(obj, 'done', { value: done, enumerable: true, writable: true, configurable: true });\n return obj;\n};\n\nexports.IsFiniteNonNegativeNumber = function (v) {\n if (Number.isNaN(v)) {\n return false;\n }\n if (v === Infinity) {\n return false;\n }\n if (v < 0) {\n return false;\n }\n\n return true;\n};\n\nfunction Call(F, V, args) {\n if (typeof F !== 'function') {\n throw new TypeError('Argument is not a function');\n }\n\n return Function.prototype.apply.call(F, V, args);\n}\n\nexports.InvokeOrNoop = function (O, P, args) {\n assert(O !== undefined);\n assert(IsPropertyKey(P));\n assert(Array.isArray(args));\n\n var method = O[P];\n if (method === undefined) {\n return undefined;\n }\n\n return Call(method, O, args);\n};\n\nexports.PromiseInvokeOrNoop = function (O, P, args) {\n assert(O !== undefined);\n assert(IsPropertyKey(P));\n assert(Array.isArray(args));\n try {\n return Promise.resolve(exports.InvokeOrNoop(O, P, args));\n } catch (returnValueE) {\n return Promise.reject(returnValueE);\n }\n};\n\nexports.PromiseInvokeOrPerformFallback = function (O, P, args, F, argsF) {\n assert(O !== undefined);\n assert(IsPropertyKey(P));\n assert(Array.isArray(args));\n assert(Array.isArray(argsF));\n\n var method = void 0;\n try {\n method = O[P];\n } catch (methodE) {\n return Promise.reject(methodE);\n }\n\n if (method === undefined) {\n return F.apply(null, argsF);\n }\n\n try {\n return Promise.resolve(Call(method, O, args));\n } catch (e) {\n return Promise.reject(e);\n }\n};\n\n// Not implemented correctly\nexports.TransferArrayBuffer = function (O) {\n return O.slice();\n};\n\nexports.ValidateAndNormalizeHighWaterMark = function (highWaterMark) {\n highWaterMark = Number(highWaterMark);\n if (Number.isNaN(highWaterMark) || highWaterMark < 0) {\n throw new RangeError('highWaterMark property of a queuing strategy must be non-negative and non-NaN');\n }\n\n return highWaterMark;\n};\n\nexports.ValidateAndNormalizeQueuingStrategy = function (size, highWaterMark) {\n if (size !== undefined && typeof size !== 'function') {\n throw new TypeError('size property of a queuing strategy must be a function');\n }\n\n highWaterMark = exports.ValidateAndNormalizeHighWaterMark(highWaterMark);\n\n return { size: size, highWaterMark: highWaterMark };\n};\n\n/***/ }),\n/* 1 */\n/***/ (function(module, exports, __w_pdfjs_require__) {\n\n\"use strict\";\n\n\nfunction rethrowAssertionErrorRejection(e) {\n // Used throughout the reference implementation, as `.catch(rethrowAssertionErrorRejection)`, to ensure any errors\n // get shown. There are places in the spec where we do promise transformations and purposefully ignore or don't\n // expect any errors, but assertion errors are always problematic.\n if (e && e.constructor === AssertionError) {\n setTimeout(function () {\n throw e;\n }, 0);\n }\n};\n\nfunction AssertionError(message) {\n this.name = 'AssertionError';\n this.message = message || '';\n this.stack = new Error().stack;\n}\nAssertionError.prototype = Object.create(Error.prototype);\nAssertionError.prototype.constructor = AssertionError;\n\nfunction assert(value, message) {\n if (!value) {\n throw new AssertionError(message);\n }\n}\n\nmodule.exports = {\n rethrowAssertionErrorRejection: rethrowAssertionErrorRejection,\n AssertionError: AssertionError,\n assert: assert\n};\n\n/***/ }),\n/* 2 */\n/***/ (function(module, exports, __w_pdfjs_require__) {\n\n\"use strict\";\n\n\nvar _createClass = function () { function defineProperties(target, props) { for (var i = 0; i < props.length; i++) { var descriptor = props[i]; descriptor.enumerable = descriptor.enumerable || false; descriptor.configurable = true; if (\"value\" in descriptor) descriptor.writable = true; Object.defineProperty(target, descriptor.key, descriptor); } } return function (Constructor, protoProps, staticProps) { if (protoProps) defineProperties(Constructor.prototype, protoProps); if (staticProps) defineProperties(Constructor, staticProps); return Constructor; }; }();\n\nfunction _classCallCheck(instance, Constructor) { if (!(instance instanceof Constructor)) { throw new TypeError(\"Cannot call a class as a function\"); } }\n\nvar _require = __w_pdfjs_require__(0),\n InvokeOrNoop = _require.InvokeOrNoop,\n PromiseInvokeOrNoop = _require.PromiseInvokeOrNoop,\n ValidateAndNormalizeQueuingStrategy = _require.ValidateAndNormalizeQueuingStrategy,\n typeIsObject = _require.typeIsObject;\n\nvar _require2 = __w_pdfjs_require__(1),\n assert = _require2.assert,\n rethrowAssertionErrorRejection = _require2.rethrowAssertionErrorRejection;\n\nvar _require3 = __w_pdfjs_require__(3),\n DequeueValue = _require3.DequeueValue,\n EnqueueValueWithSize = _require3.EnqueueValueWithSize,\n PeekQueueValue = _require3.PeekQueueValue,\n ResetQueue = _require3.ResetQueue;\n\nvar WritableStream = function () {\n function WritableStream() {\n var underlyingSink = arguments.length > 0 && arguments[0] !== undefined ? arguments[0] : {};\n\n var _ref = arguments.length > 1 && arguments[1] !== undefined ? arguments[1] : {},\n size = _ref.size,\n _ref$highWaterMark = _ref.highWaterMark,\n highWaterMark = _ref$highWaterMark === undefined ? 1 : _ref$highWaterMark;\n\n _classCallCheck(this, WritableStream);\n\n this._state = 'writable';\n\n // The error that will be reported by new method calls once the state becomes errored. Only set when [[state]] is\n // 'erroring' or 'errored'. May be set to an undefined value.\n this._storedError = undefined;\n\n this._writer = undefined;\n\n // Initialize to undefined first because the constructor of the controller checks this\n // variable to validate the caller.\n this._writableStreamController = undefined;\n\n // This queue is placed here instead of the writer class in order to allow for passing a writer to the next data\n // producer without waiting for the queued writes to finish.\n this._writeRequests = [];\n\n // Write requests are removed from _writeRequests when write() is called on the underlying sink. This prevents\n // them from being erroneously rejected on error. If a write() call is in-flight, the request is stored here.\n this._inFlightWriteRequest = undefined;\n\n // The promise that was returned from writer.close(). Stored here because it may be fulfilled after the writer\n // has been detached.\n this._closeRequest = undefined;\n\n // Close request is removed from _closeRequest when close() is called on the underlying sink. This prevents it\n // from being erroneously rejected on error. If a close() call is in-flight, the request is stored here.\n this._inFlightCloseRequest = undefined;\n\n // The promise that was returned from writer.abort(). This may also be fulfilled after the writer has detached.\n this._pendingAbortRequest = undefined;\n\n // The backpressure signal set by the controller.\n this._backpressure = false;\n\n var type = underlyingSink.type;\n\n if (type !== undefined) {\n throw new RangeError('Invalid type is specified');\n }\n\n this._writableStreamController = new WritableStreamDefaultController(this, underlyingSink, size, highWaterMark);\n this._writableStreamController.__startSteps();\n }\n\n _createClass(WritableStream, [{\n key: 'abort',\n value: function abort(reason) {\n if (IsWritableStream(this) === false) {\n return Promise.reject(streamBrandCheckException('abort'));\n }\n\n if (IsWritableStreamLocked(this) === true) {\n return Promise.reject(new TypeError('Cannot abort a stream that already has a writer'));\n }\n\n return WritableStreamAbort(this, reason);\n }\n }, {\n key: 'getWriter',\n value: function getWriter() {\n if (IsWritableStream(this) === false) {\n throw streamBrandCheckException('getWriter');\n }\n\n return AcquireWritableStreamDefaultWriter(this);\n }\n }, {\n key: 'locked',\n get: function get() {\n if (IsWritableStream(this) === false) {\n throw streamBrandCheckException('locked');\n }\n\n return IsWritableStreamLocked(this);\n }\n }]);\n\n return WritableStream;\n}();\n\nmodule.exports = {\n AcquireWritableStreamDefaultWriter: AcquireWritableStreamDefaultWriter,\n IsWritableStream: IsWritableStream,\n IsWritableStreamLocked: IsWritableStreamLocked,\n WritableStream: WritableStream,\n WritableStreamAbort: WritableStreamAbort,\n WritableStreamDefaultControllerError: WritableStreamDefaultControllerError,\n WritableStreamDefaultWriterCloseWithErrorPropagation: WritableStreamDefaultWriterCloseWithErrorPropagation,\n WritableStreamDefaultWriterRelease: WritableStreamDefaultWriterRelease,\n WritableStreamDefaultWriterWrite: WritableStreamDefaultWriterWrite,\n WritableStreamCloseQueuedOrInFlight: WritableStreamCloseQueuedOrInFlight\n};\n\n// Abstract operations for the WritableStream.\n\nfunction AcquireWritableStreamDefaultWriter(stream) {\n return new WritableStreamDefaultWriter(stream);\n}\n\nfunction IsWritableStream(x) {\n if (!typeIsObject(x)) {\n return false;\n }\n\n if (!Object.prototype.hasOwnProperty.call(x, '_writableStreamController')) {\n return false;\n }\n\n return true;\n}\n\nfunction IsWritableStreamLocked(stream) {\n assert(IsWritableStream(stream) === true, 'IsWritableStreamLocked should only be used on known writable streams');\n\n if (stream._writer === undefined) {\n return false;\n }\n\n return true;\n}\n\nfunction WritableStreamAbort(stream, reason) {\n var state = stream._state;\n if (state === 'closed') {\n return Promise.resolve(undefined);\n }\n if (state === 'errored') {\n return Promise.reject(stream._storedError);\n }\n var error = new TypeError('Requested to abort');\n if (stream._pendingAbortRequest !== undefined) {\n return Promise.reject(error);\n }\n\n assert(state === 'writable' || state === 'erroring', 'state must be writable or erroring');\n\n var wasAlreadyErroring = false;\n if (state === 'erroring') {\n wasAlreadyErroring = true;\n // reason will not be used, so don't keep a reference to it.\n reason = undefined;\n }\n\n var promise = new Promise(function (resolve, reject) {\n stream._pendingAbortRequest = {\n _resolve: resolve,\n _reject: reject,\n _reason: reason,\n _wasAlreadyErroring: wasAlreadyErroring\n };\n });\n\n if (wasAlreadyErroring === false) {\n WritableStreamStartErroring(stream, error);\n }\n\n return promise;\n}\n\n// WritableStream API exposed for controllers.\n\nfunction WritableStreamAddWriteRequest(stream) {\n assert(IsWritableStreamLocked(stream) === true);\n assert(stream._state === 'writable');\n\n var promise = new Promise(function (resolve, reject) {\n var writeRequest = {\n _resolve: resolve,\n _reject: reject\n };\n\n stream._writeRequests.push(writeRequest);\n });\n\n return promise;\n}\n\nfunction WritableStreamDealWithRejection(stream, error) {\n var state = stream._state;\n\n if (state === 'writable') {\n WritableStreamStartErroring(stream, error);\n return;\n }\n\n assert(state === 'erroring');\n WritableStreamFinishErroring(stream);\n}\n\nfunction WritableStreamStartErroring(stream, reason) {\n assert(stream._storedError === undefined, 'stream._storedError === undefined');\n assert(stream._state === 'writable', 'state must be writable');\n\n var controller = stream._writableStreamController;\n assert(controller !== undefined, 'controller must not be undefined');\n\n stream._state = 'erroring';\n stream._storedError = reason;\n var writer = stream._writer;\n if (writer !== undefined) {\n WritableStreamDefaultWriterEnsureReadyPromiseRejected(writer, reason);\n }\n\n if (WritableStreamHasOperationMarkedInFlight(stream) === false && controller._started === true) {\n WritableStreamFinishErroring(stream);\n }\n}\n\nfunction WritableStreamFinishErroring(stream) {\n assert(stream._state === 'erroring', 'stream._state === erroring');\n assert(WritableStreamHasOperationMarkedInFlight(stream) === false, 'WritableStreamHasOperationMarkedInFlight(stream) === false');\n stream._state = 'errored';\n stream._writableStreamController.__errorSteps();\n\n var storedError = stream._storedError;\n for (var i = 0; i < stream._writeRequests.length; i++) {\n var writeRequest = stream._writeRequests[i];\n writeRequest._reject(storedError);\n }\n stream._writeRequests = [];\n\n if (stream._pendingAbortRequest === undefined) {\n WritableStreamRejectCloseAndClosedPromiseIfNeeded(stream);\n return;\n }\n\n var abortRequest = stream._pendingAbortRequest;\n stream._pendingAbortRequest = undefined;\n\n if (abortRequest._wasAlreadyErroring === true) {\n abortRequest._reject(storedError);\n WritableStreamRejectCloseAndClosedPromiseIfNeeded(stream);\n return;\n }\n\n var promise = stream._writableStreamController.__abortSteps(abortRequest._reason);\n promise.then(function () {\n abortRequest._resolve();\n WritableStreamRejectCloseAndClosedPromiseIfNeeded(stream);\n }, function (reason) {\n abortRequest._reject(reason);\n WritableStreamRejectCloseAndClosedPromiseIfNeeded(stream);\n });\n}\n\nfunction WritableStreamFinishInFlightWrite(stream) {\n assert(stream._inFlightWriteRequest !== undefined);\n stream._inFlightWriteRequest._resolve(undefined);\n stream._inFlightWriteRequest = undefined;\n}\n\nfunction WritableStreamFinishInFlightWriteWithError(stream, error) {\n assert(stream._inFlightWriteRequest !== undefined);\n stream._inFlightWriteRequest._reject(error);\n stream._inFlightWriteRequest = undefined;\n\n assert(stream._state === 'writable' || stream._state === 'erroring');\n\n WritableStreamDealWithRejection(stream, error);\n}\n\nfunction WritableStreamFinishInFlightClose(stream) {\n assert(stream._inFlightCloseRequest !== undefined);\n stream._inFlightCloseRequest._resolve(undefined);\n stream._inFlightCloseRequest = undefined;\n\n var state = stream._state;\n\n assert(state === 'writable' || state === 'erroring');\n\n if (state === 'erroring') {\n // The error was too late to do anything, so it is ignored.\n stream._storedError = undefined;\n if (stream._pendingAbortRequest !== undefined) {\n stream._pendingAbortRequest._resolve();\n stream._pendingAbortRequest = undefined;\n }\n }\n\n stream._state = 'closed';\n\n var writer = stream._writer;\n if (writer !== undefined) {\n defaultWriterClosedPromiseResolve(writer);\n }\n\n assert(stream._pendingAbortRequest === undefined, 'stream._pendingAbortRequest === undefined');\n assert(stream._storedError === undefined, 'stream._storedError === undefined');\n}\n\nfunction WritableStreamFinishInFlightCloseWithError(stream, error) {\n assert(stream._inFlightCloseRequest !== undefined);\n stream._inFlightCloseRequest._reject(error);\n stream._inFlightCloseRequest = undefined;\n\n assert(stream._state === 'writable' || stream._state === 'erroring');\n\n // Never execute sink abort() after sink close().\n if (stream._pendingAbortRequest !== undefined) {\n stream._pendingAbortRequest._reject(error);\n stream._pendingAbortRequest = undefined;\n }\n WritableStreamDealWithRejection(stream, error);\n}\n\n// TODO(ricea): Fix alphabetical order.\nfunction WritableStreamCloseQueuedOrInFlight(stream) {\n if (stream._closeRequest === undefined && stream._inFlightCloseRequest === undefined) {\n return false;\n }\n\n return true;\n}\n\nfunction WritableStreamHasOperationMarkedInFlight(stream) {\n if (stream._inFlightWriteRequest === undefined && stream._inFlightCloseRequest === undefined) {\n return false;\n }\n\n return true;\n}\n\nfunction WritableStreamMarkCloseRequestInFlight(stream) {\n assert(stream._inFlightCloseRequest === undefined);\n assert(stream._closeRequest !== undefined);\n stream._inFlightCloseRequest = stream._closeRequest;\n stream._closeRequest = undefined;\n}\n\nfunction WritableStreamMarkFirstWriteRequestInFlight(stream) {\n assert(stream._inFlightWriteRequest === undefined, 'there must be no pending write request');\n assert(stream._writeRequests.length !== 0, 'writeRequests must not be empty');\n stream._inFlightWriteRequest = stream._writeRequests.shift();\n}\n\nfunction WritableStreamRejectCloseAndClosedPromiseIfNeeded(stream) {\n assert(stream._state === 'errored', '_stream_.[[state]] is `\"errored\"`');\n if (stream._closeRequest !== undefined) {\n assert(stream._inFlightCloseRequest === undefined);\n\n stream._closeRequest._reject(stream._storedError);\n stream._closeRequest = undefined;\n }\n var writer = stream._writer;\n if (writer !== undefined) {\n defaultWriterClosedPromiseReject(writer, stream._storedError);\n writer._closedPromise.catch(function () {});\n }\n}\n\nfunction WritableStreamUpdateBackpressure(stream, backpressure) {\n assert(stream._state === 'writable');\n assert(WritableStreamCloseQueuedOrInFlight(stream) === false);\n\n var writer = stream._writer;\n if (writer !== undefined && backpressure !== stream._backpressure) {\n if (backpressure === true) {\n defaultWriterReadyPromiseReset(writer);\n } else {\n assert(backpressure === false);\n\n defaultWriterReadyPromiseResolve(writer);\n }\n }\n\n stream._backpressure = backpressure;\n}\n\nvar WritableStreamDefaultWriter = function () {\n function WritableStreamDefaultWriter(stream) {\n _classCallCheck(this, WritableStreamDefaultWriter);\n\n if (IsWritableStream(stream) === false) {\n throw new TypeError('WritableStreamDefaultWriter can only be constructed with a WritableStream instance');\n }\n if (IsWritableStreamLocked(stream) === true) {\n throw new TypeError('This stream has already been locked for exclusive writing by another writer');\n }\n\n this._ownerWritableStream = stream;\n stream._writer = this;\n\n var state = stream._state;\n\n if (state === 'writable') {\n if (WritableStreamCloseQueuedOrInFlight(stream) === false && stream._backpressure === true) {\n defaultWriterReadyPromiseInitialize(this);\n } else {\n defaultWriterReadyPromiseInitializeAsResolved(this);\n }\n\n defaultWriterClosedPromiseInitialize(this);\n } else if (state === 'erroring') {\n defaultWriterReadyPromiseInitializeAsRejected(this, stream._storedError);\n this._readyPromise.catch(function () {});\n defaultWriterClosedPromiseInitialize(this);\n } else if (state === 'closed') {\n defaultWriterReadyPromiseInitializeAsResolved(this);\n defaultWriterClosedPromiseInitializeAsResolved(this);\n } else {\n assert(state === 'errored', 'state must be errored');\n\n var storedError = stream._storedError;\n defaultWriterReadyPromiseInitializeAsRejected(this, storedError);\n this._readyPromise.catch(function () {});\n defaultWriterClosedPromiseInitializeAsRejected(this, storedError);\n this._closedPromise.catch(function () {});\n }\n }\n\n _createClass(WritableStreamDefaultWriter, [{\n key: 'abort',\n value: function abort(reason) {\n if (IsWritableStreamDefaultWriter(this) === false) {\n return Promise.reject(defaultWriterBrandCheckException('abort'));\n }\n\n if (this._ownerWritableStream === undefined) {\n return Promise.reject(defaultWriterLockException('abort'));\n }\n\n return WritableStreamDefaultWriterAbort(this, reason);\n }\n }, {\n key: 'close',\n value: function close() {\n if (IsWritableStreamDefaultWriter(this) === false) {\n return Promise.reject(defaultWriterBrandCheckException('close'));\n }\n\n var stream = this._ownerWritableStream;\n\n if (stream === undefined) {\n return Promise.reject(defaultWriterLockException('close'));\n }\n\n if (WritableStreamCloseQueuedOrInFlight(stream) === true) {\n return Promise.reject(new TypeError('cannot close an already-closing stream'));\n }\n\n return WritableStreamDefaultWriterClose(this);\n }\n }, {\n key: 'releaseLock',\n value: function releaseLock() {\n if (IsWritableStreamDefaultWriter(this) === false) {\n throw defaultWriterBrandCheckException('releaseLock');\n }\n\n var stream = this._ownerWritableStream;\n\n if (stream === undefined) {\n return;\n }\n\n assert(stream._writer !== undefined);\n\n WritableStreamDefaultWriterRelease(this);\n }\n }, {\n key: 'write',\n value: function write(chunk) {\n if (IsWritableStreamDefaultWriter(this) === false) {\n return Promise.reject(defaultWriterBrandCheckException('write'));\n }\n\n if (this._ownerWritableStream === undefined) {\n return Promise.reject(defaultWriterLockException('write to'));\n }\n\n return WritableStreamDefaultWriterWrite(this, chunk);\n }\n }, {\n key: 'closed',\n get: function get() {\n if (IsWritableStreamDefaultWriter(this) === false) {\n return Promise.reject(defaultWriterBrandCheckException('closed'));\n }\n\n return this._closedPromise;\n }\n }, {\n key: 'desiredSize',\n get: function get() {\n if (IsWritableStreamDefaultWriter(this) === false) {\n throw defaultWriterBrandCheckException('desiredSize');\n }\n\n if (this._ownerWritableStream === undefined) {\n throw defaultWriterLockException('desiredSize');\n }\n\n return WritableStreamDefaultWriterGetDesiredSize(this);\n }\n }, {\n key: 'ready',\n get: function get() {\n if (IsWritableStreamDefaultWriter(this) === false) {\n return Promise.reject(defaultWriterBrandCheckException('ready'));\n }\n\n return this._readyPromise;\n }\n }]);\n\n return WritableStreamDefaultWriter;\n}();\n\n// Abstract operations for the WritableStreamDefaultWriter.\n\nfunction IsWritableStreamDefaultWriter(x) {\n if (!typeIsObject(x)) {\n return false;\n }\n\n if (!Object.prototype.hasOwnProperty.call(x, '_ownerWritableStream')) {\n return false;\n }\n\n return true;\n}\n\n// A client of WritableStreamDefaultWriter may use these functions directly to bypass state check.\n\nfunction WritableStreamDefaultWriterAbort(writer, reason) {\n var stream = writer._ownerWritableStream;\n\n assert(stream !== undefined);\n\n return WritableStreamAbort(stream, reason);\n}\n\nfunction WritableStreamDefaultWriterClose(writer) {\n var stream = writer._ownerWritableStream;\n\n assert(stream !== undefined);\n\n var state = stream._state;\n if (state === 'closed' || state === 'errored') {\n return Promise.reject(new TypeError('The stream (in ' + state + ' state) is not in the writable state and cannot be closed'));\n }\n\n assert(state === 'writable' || state === 'erroring');\n assert(WritableStreamCloseQueuedOrInFlight(stream) === false);\n\n var promise = new Promise(function (resolve, reject) {\n var closeRequest = {\n _resolve: resolve,\n _reject: reject\n };\n\n stream._closeRequest = closeRequest;\n });\n\n if (stream._backpressure === true && state === 'writable') {\n defaultWriterReadyPromiseResolve(writer);\n }\n\n WritableStreamDefaultControllerClose(stream._writableStreamController);\n\n return promise;\n}\n\nfunction WritableStreamDefaultWriterCloseWithErrorPropagation(writer) {\n var stream = writer._ownerWritableStream;\n\n assert(stream !== undefined);\n\n var state = stream._state;\n if (WritableStreamCloseQueuedOrInFlight(stream) === true || state === 'closed') {\n return Promise.resolve();\n }\n\n if (state === 'errored') {\n return Promise.reject(stream._storedError);\n }\n\n assert(state === 'writable' || state === 'erroring');\n\n return WritableStreamDefaultWriterClose(writer);\n}\n\nfunction WritableStreamDefaultWriterEnsureClosedPromiseRejected(writer, error) {\n if (writer._closedPromiseState === 'pending') {\n defaultWriterClosedPromiseReject(writer, error);\n } else {\n defaultWriterClosedPromiseResetToRejected(writer, error);\n }\n writer._closedPromise.catch(function () {});\n}\n\nfunction WritableStreamDefaultWriterEnsureReadyPromiseRejected(writer, error) {\n if (writer._readyPromiseState === 'pending') {\n defaultWriterReadyPromiseReject(writer, error);\n } else {\n defaultWriterReadyPromiseResetToRejected(writer, error);\n }\n writer._readyPromise.catch(function () {});\n}\n\nfunction WritableStreamDefaultWriterGetDesiredSize(writer) {\n var stream = writer._ownerWritableStream;\n var state = stream._state;\n\n if (state === 'errored' || state === 'erroring') {\n return null;\n }\n\n if (state === 'closed') {\n return 0;\n }\n\n return WritableStreamDefaultControllerGetDesiredSize(stream._writableStreamController);\n}\n\nfunction WritableStreamDefaultWriterRelease(writer) {\n var stream = writer._ownerWritableStream;\n assert(stream !== undefined);\n assert(stream._writer === writer);\n\n var releasedError = new TypeError('Writer was released and can no longer be used to monitor the stream\\'s closedness');\n\n WritableStreamDefaultWriterEnsureReadyPromiseRejected(writer, releasedError);\n\n // The state transitions to \"errored\" before the sink abort() method runs, but the writer.closed promise is not\n // rejected until afterwards. This means that simply testing state will not work.\n WritableStreamDefaultWriterEnsureClosedPromiseRejected(writer, releasedError);\n\n stream._writer = undefined;\n writer._ownerWritableStream = undefined;\n}\n\nfunction WritableStreamDefaultWriterWrite(writer, chunk) {\n var stream = writer._ownerWritableStream;\n\n assert(stream !== undefined);\n\n var controller = stream._writableStreamController;\n\n var chunkSize = WritableStreamDefaultControllerGetChunkSize(controller, chunk);\n\n if (stream !== writer._ownerWritableStream) {\n return Promise.reject(defaultWriterLockException('write to'));\n }\n\n var state = stream._state;\n if (state === 'errored') {\n return Promise.reject(stream._storedError);\n }\n if (WritableStreamCloseQueuedOrInFlight(stream) === true || state === 'closed') {\n return Promise.reject(new TypeError('The stream is closing or closed and cannot be written to'));\n }\n if (state === 'erroring') {\n return Promise.reject(stream._storedError);\n }\n\n assert(state === 'writable');\n\n var promise = WritableStreamAddWriteRequest(stream);\n\n WritableStreamDefaultControllerWrite(controller, chunk, chunkSize);\n\n return promise;\n}\n\nvar WritableStreamDefaultController = function () {\n function WritableStreamDefaultController(stream, underlyingSink, size, highWaterMark) {\n _classCallCheck(this, WritableStreamDefaultController);\n\n if (IsWritableStream(stream) === false) {\n throw new TypeError('WritableStreamDefaultController can only be constructed with a WritableStream instance');\n }\n\n if (stream._writableStreamController !== undefined) {\n throw new TypeError('WritableStreamDefaultController instances can only be created by the WritableStream constructor');\n }\n\n this._controlledWritableStream = stream;\n\n this._underlyingSink = underlyingSink;\n\n // Need to set the slots so that the assert doesn't fire. In the spec the slots already exist implicitly.\n this._queue = undefined;\n this._queueTotalSize = undefined;\n ResetQueue(this);\n\n this._started = false;\n\n var normalizedStrategy = ValidateAndNormalizeQueuingStrategy(size, highWaterMark);\n this._strategySize = normalizedStrategy.size;\n this._strategyHWM = normalizedStrategy.highWaterMark;\n\n var backpressure = WritableStreamDefaultControllerGetBackpressure(this);\n WritableStreamUpdateBackpressure(stream, backpressure);\n }\n\n _createClass(WritableStreamDefaultController, [{\n key: 'error',\n value: function error(e) {\n if (IsWritableStreamDefaultController(this) === false) {\n throw new TypeError('WritableStreamDefaultController.prototype.error can only be used on a WritableStreamDefaultController');\n }\n var state = this._controlledWritableStream._state;\n if (state !== 'writable') {\n // The stream is closed, errored or will be soon. The sink can't do anything useful if it gets an error here, so\n // just treat it as a no-op.\n return;\n }\n\n WritableStreamDefaultControllerError(this, e);\n }\n }, {\n key: '__abortSteps',\n value: function __abortSteps(reason) {\n return PromiseInvokeOrNoop(this._underlyingSink, 'abort', [reason]);\n }\n }, {\n key: '__errorSteps',\n value: function __errorSteps() {\n ResetQueue(this);\n }\n }, {\n key: '__startSteps',\n value: function __startSteps() {\n var _this = this;\n\n var startResult = InvokeOrNoop(this._underlyingSink, 'start', [this]);\n var stream = this._controlledWritableStream;\n\n Promise.resolve(startResult).then(function () {\n assert(stream._state === 'writable' || stream._state === 'erroring');\n _this._started = true;\n WritableStreamDefaultControllerAdvanceQueueIfNeeded(_this);\n }, function (r) {\n assert(stream._state === 'writable' || stream._state === 'erroring');\n _this._started = true;\n WritableStreamDealWithRejection(stream, r);\n }).catch(rethrowAssertionErrorRejection);\n }\n }]);\n\n return WritableStreamDefaultController;\n}();\n\n// Abstract operations implementing interface required by the WritableStream.\n\nfunction WritableStreamDefaultControllerClose(controller) {\n EnqueueValueWithSize(controller, 'close', 0);\n WritableStreamDefaultControllerAdvanceQueueIfNeeded(controller);\n}\n\nfunction WritableStreamDefaultControllerGetChunkSize(controller, chunk) {\n var strategySize = controller._strategySize;\n\n if (strategySize === undefined) {\n return 1;\n }\n\n try {\n return strategySize(chunk);\n } catch (chunkSizeE) {\n WritableStreamDefaultControllerErrorIfNeeded(controller, chunkSizeE);\n return 1;\n }\n}\n\nfunction WritableStreamDefaultControllerGetDesiredSize(controller) {\n return controller._strategyHWM - controller._queueTotalSize;\n}\n\nfunction WritableStreamDefaultControllerWrite(controller, chunk, chunkSize) {\n var writeRecord = { chunk: chunk };\n\n try {\n EnqueueValueWithSize(controller, writeRecord, chunkSize);\n } catch (enqueueE) {\n WritableStreamDefaultControllerErrorIfNeeded(controller, enqueueE);\n return;\n }\n\n var stream = controller._controlledWritableStream;\n if (WritableStreamCloseQueuedOrInFlight(stream) === false && stream._state === 'writable') {\n var backpressure = WritableStreamDefaultControllerGetBackpressure(controller);\n WritableStreamUpdateBackpressure(stream, backpressure);\n }\n\n WritableStreamDefaultControllerAdvanceQueueIfNeeded(controller);\n}\n\n// Abstract operations for the WritableStreamDefaultController.\n\nfunction IsWritableStreamDefaultController(x) {\n if (!typeIsObject(x)) {\n return false;\n }\n\n if (!Object.prototype.hasOwnProperty.call(x, '_underlyingSink')) {\n return false;\n }\n\n return true;\n}\n\nfunction WritableStreamDefaultControllerAdvanceQueueIfNeeded(controller) {\n var stream = controller._controlledWritableStream;\n\n if (controller._started === false) {\n return;\n }\n\n if (stream._inFlightWriteRequest !== undefined) {\n return;\n }\n\n var state = stream._state;\n if (state === 'closed' || state === 'errored') {\n return;\n }\n if (state === 'erroring') {\n WritableStreamFinishErroring(stream);\n return;\n }\n\n if (controller._queue.length === 0) {\n return;\n }\n\n var writeRecord = PeekQueueValue(controller);\n if (writeRecord === 'close') {\n WritableStreamDefaultControllerProcessClose(controller);\n } else {\n WritableStreamDefaultControllerProcessWrite(controller, writeRecord.chunk);\n }\n}\n\nfunction WritableStreamDefaultControllerErrorIfNeeded(controller, error) {\n if (controller._controlledWritableStream._state === 'writable') {\n WritableStreamDefaultControllerError(controller, error);\n }\n}\n\nfunction WritableStreamDefaultControllerProcessClose(controller) {\n var stream = controller._controlledWritableStream;\n\n WritableStreamMarkCloseRequestInFlight(stream);\n\n DequeueValue(controller);\n assert(controller._queue.length === 0, 'queue must be empty once the final write record is dequeued');\n\n var sinkClosePromise = PromiseInvokeOrNoop(controller._underlyingSink, 'close', []);\n sinkClosePromise.then(function () {\n WritableStreamFinishInFlightClose(stream);\n }, function (reason) {\n WritableStreamFinishInFlightCloseWithError(stream, reason);\n }).catch(rethrowAssertionErrorRejection);\n}\n\nfunction WritableStreamDefaultControllerProcessWrite(controller, chunk) {\n var stream = controller._controlledWritableStream;\n\n WritableStreamMarkFirstWriteRequestInFlight(stream);\n\n var sinkWritePromise = PromiseInvokeOrNoop(controller._underlyingSink, 'write', [chunk, controller]);\n sinkWritePromise.then(function () {\n WritableStreamFinishInFlightWrite(stream);\n\n var state = stream._state;\n assert(state === 'writable' || state === 'erroring');\n\n DequeueValue(controller);\n\n if (WritableStreamCloseQueuedOrInFlight(stream) === false && state === 'writable') {\n var backpressure = WritableStreamDefaultControllerGetBackpressure(controller);\n WritableStreamUpdateBackpressure(stream, backpressure);\n }\n\n WritableStreamDefaultControllerAdvanceQueueIfNeeded(controller);\n }, function (reason) {\n WritableStreamFinishInFlightWriteWithError(stream, reason);\n }).catch(rethrowAssertionErrorRejection);\n}\n\nfunction WritableStreamDefaultControllerGetBackpressure(controller) {\n var desiredSize = WritableStreamDefaultControllerGetDesiredSize(controller);\n return desiredSize <= 0;\n}\n\n// A client of WritableStreamDefaultController may use these functions directly to bypass state check.\n\nfunction WritableStreamDefaultControllerError(controller, error) {\n var stream = controller._controlledWritableStream;\n\n assert(stream._state === 'writable');\n\n WritableStreamStartErroring(stream, error);\n}\n\n// Helper functions for the WritableStream.\n\nfunction streamBrandCheckException(name) {\n return new TypeError('WritableStream.prototype.' + name + ' can only be used on a WritableStream');\n}\n\n// Helper functions for the WritableStreamDefaultWriter.\n\nfunction defaultWriterBrandCheckException(name) {\n return new TypeError('WritableStreamDefaultWriter.prototype.' + name + ' can only be used on a WritableStreamDefaultWriter');\n}\n\nfunction defaultWriterLockException(name) {\n return new TypeError('Cannot ' + name + ' a stream using a released writer');\n}\n\nfunction defaultWriterClosedPromiseInitialize(writer) {\n writer._closedPromise = new Promise(function (resolve, reject) {\n writer._closedPromise_resolve = resolve;\n writer._closedPromise_reject = reject;\n writer._closedPromiseState = 'pending';\n });\n}\n\nfunction defaultWriterClosedPromiseInitializeAsRejected(writer, reason) {\n writer._closedPromise = Promise.reject(reason);\n writer._closedPromise_resolve = undefined;\n writer._closedPromise_reject = undefined;\n writer._closedPromiseState = 'rejected';\n}\n\nfunction defaultWriterClosedPromiseInitializeAsResolved(writer) {\n writer._closedPromise = Promise.resolve(undefined);\n writer._closedPromise_resolve = undefined;\n writer._closedPromise_reject = undefined;\n writer._closedPromiseState = 'resolved';\n}\n\nfunction defaultWriterClosedPromiseReject(writer, reason) {\n assert(writer._closedPromise_resolve !== undefined, 'writer._closedPromise_resolve !== undefined');\n assert(writer._closedPromise_reject !== undefined, 'writer._closedPromise_reject !== undefined');\n assert(writer._closedPromiseState === 'pending', 'writer._closedPromiseState is pending');\n\n writer._closedPromise_reject(reason);\n writer._closedPromise_resolve = undefined;\n writer._closedPromise_reject = undefined;\n writer._closedPromiseState = 'rejected';\n}\n\nfunction defaultWriterClosedPromiseResetToRejected(writer, reason) {\n assert(writer._closedPromise_resolve === undefined, 'writer._closedPromise_resolve === undefined');\n assert(writer._closedPromise_reject === undefined, 'writer._closedPromise_reject === undefined');\n assert(writer._closedPromiseState !== 'pending', 'writer._closedPromiseState is not pending');\n\n writer._closedPromise = Promise.reject(reason);\n writer._closedPromiseState = 'rejected';\n}\n\nfunction defaultWriterClosedPromiseResolve(writer) {\n assert(writer._closedPromise_resolve !== undefined, 'writer._closedPromise_resolve !== undefined');\n assert(writer._closedPromise_reject !== undefined, 'writer._closedPromise_reject !== undefined');\n assert(writer._closedPromiseState === 'pending', 'writer._closedPromiseState is pending');\n\n writer._closedPromise_resolve(undefined);\n writer._closedPromise_resolve = undefined;\n writer._closedPromise_reject = undefined;\n writer._closedPromiseState = 'resolved';\n}\n\nfunction defaultWriterReadyPromiseInitialize(writer) {\n writer._readyPromise = new Promise(function (resolve, reject) {\n writer._readyPromise_resolve = resolve;\n writer._readyPromise_reject = reject;\n });\n writer._readyPromiseState = 'pending';\n}\n\nfunction defaultWriterReadyPromiseInitializeAsRejected(writer, reason) {\n writer._readyPromise = Promise.reject(reason);\n writer._readyPromise_resolve = undefined;\n writer._readyPromise_reject = undefined;\n writer._readyPromiseState = 'rejected';\n}\n\nfunction defaultWriterReadyPromiseInitializeAsResolved(writer) {\n writer._readyPromise = Promise.resolve(undefined);\n writer._readyPromise_resolve = undefined;\n writer._readyPromise_reject = undefined;\n writer._readyPromiseState = 'fulfilled';\n}\n\nfunction defaultWriterReadyPromiseReject(writer, reason) {\n assert(writer._readyPromise_resolve !== undefined, 'writer._readyPromise_resolve !== undefined');\n assert(writer._readyPromise_reject !== undefined, 'writer._readyPromise_reject !== undefined');\n\n writer._readyPromise_reject(reason);\n writer._readyPromise_resolve = undefined;\n writer._readyPromise_reject = undefined;\n writer._readyPromiseState = 'rejected';\n}\n\nfunction defaultWriterReadyPromiseReset(writer) {\n assert(writer._readyPromise_resolve === undefined, 'writer._readyPromise_resolve === undefined');\n assert(writer._readyPromise_reject === undefined, 'writer._readyPromise_reject === undefined');\n\n writer._readyPromise = new Promise(function (resolve, reject) {\n writer._readyPromise_resolve = resolve;\n writer._readyPromise_reject = reject;\n });\n writer._readyPromiseState = 'pending';\n}\n\nfunction defaultWriterReadyPromiseResetToRejected(writer, reason) {\n assert(writer._readyPromise_resolve === undefined, 'writer._readyPromise_resolve === undefined');\n assert(writer._readyPromise_reject === undefined, 'writer._readyPromise_reject === undefined');\n\n writer._readyPromise = Promise.reject(reason);\n writer._readyPromiseState = 'rejected';\n}\n\nfunction defaultWriterReadyPromiseResolve(writer) {\n assert(writer._readyPromise_resolve !== undefined, 'writer._readyPromise_resolve !== undefined');\n assert(writer._readyPromise_reject !== undefined, 'writer._readyPromise_reject !== undefined');\n\n writer._readyPromise_resolve(undefined);\n writer._readyPromise_resolve = undefined;\n writer._readyPromise_reject = undefined;\n writer._readyPromiseState = 'fulfilled';\n}\n\n/***/ }),\n/* 3 */\n/***/ (function(module, exports, __w_pdfjs_require__) {\n\n\"use strict\";\n\n\nvar _require = __w_pdfjs_require__(0),\n IsFiniteNonNegativeNumber = _require.IsFiniteNonNegativeNumber;\n\nvar _require2 = __w_pdfjs_require__(1),\n assert = _require2.assert;\n\nexports.DequeueValue = function (container) {\n assert('_queue' in container && '_queueTotalSize' in container, 'Spec-level failure: DequeueValue should only be used on containers with [[queue]] and [[queueTotalSize]].');\n assert(container._queue.length > 0, 'Spec-level failure: should never dequeue from an empty queue.');\n\n var pair = container._queue.shift();\n container._queueTotalSize -= pair.size;\n if (container._queueTotalSize < 0) {\n container._queueTotalSize = 0;\n }\n\n return pair.value;\n};\n\nexports.EnqueueValueWithSize = function (container, value, size) {\n assert('_queue' in container && '_queueTotalSize' in container, 'Spec-level failure: EnqueueValueWithSize should only be used on containers with [[queue]] and ' + '[[queueTotalSize]].');\n\n size = Number(size);\n if (!IsFiniteNonNegativeNumber(size)) {\n throw new RangeError('Size must be a finite, non-NaN, non-negative number.');\n }\n\n container._queue.push({ value: value, size: size });\n container._queueTotalSize += size;\n};\n\nexports.PeekQueueValue = function (container) {\n assert('_queue' in container && '_queueTotalSize' in container, 'Spec-level failure: PeekQueueValue should only be used on containers with [[queue]] and [[queueTotalSize]].');\n assert(container._queue.length > 0, 'Spec-level failure: should never peek at an empty queue.');\n\n var pair = container._queue[0];\n return pair.value;\n};\n\nexports.ResetQueue = function (container) {\n assert('_queue' in container && '_queueTotalSize' in container, 'Spec-level failure: ResetQueue should only be used on containers with [[queue]] and [[queueTotalSize]].');\n\n container._queue = [];\n container._queueTotalSize = 0;\n};\n\n/***/ }),\n/* 4 */\n/***/ (function(module, exports, __w_pdfjs_require__) {\n\n\"use strict\";\n\n\nvar _createClass = function () { function defineProperties(target, props) { for (var i = 0; i < props.length; i++) { var descriptor = props[i]; descriptor.enumerable = descriptor.enumerable || false; descriptor.configurable = true; if (\"value\" in descriptor) descriptor.writable = true; Object.defineProperty(target, descriptor.key, descriptor); } } return function (Constructor, protoProps, staticProps) { if (protoProps) defineProperties(Constructor.prototype, protoProps); if (staticProps) defineProperties(Constructor, staticProps); return Constructor; }; }();\n\nfunction _classCallCheck(instance, Constructor) { if (!(instance instanceof Constructor)) { throw new TypeError(\"Cannot call a class as a function\"); } }\n\nvar _require = __w_pdfjs_require__(0),\n ArrayBufferCopy = _require.ArrayBufferCopy,\n CreateIterResultObject = _require.CreateIterResultObject,\n IsFiniteNonNegativeNumber = _require.IsFiniteNonNegativeNumber,\n InvokeOrNoop = _require.InvokeOrNoop,\n PromiseInvokeOrNoop = _require.PromiseInvokeOrNoop,\n TransferArrayBuffer = _require.TransferArrayBuffer,\n ValidateAndNormalizeQueuingStrategy = _require.ValidateAndNormalizeQueuingStrategy,\n ValidateAndNormalizeHighWaterMark = _require.ValidateAndNormalizeHighWaterMark;\n\nvar _require2 = __w_pdfjs_require__(0),\n createArrayFromList = _require2.createArrayFromList,\n createDataProperty = _require2.createDataProperty,\n typeIsObject = _require2.typeIsObject;\n\nvar _require3 = __w_pdfjs_require__(1),\n assert = _require3.assert,\n rethrowAssertionErrorRejection = _require3.rethrowAssertionErrorRejection;\n\nvar _require4 = __w_pdfjs_require__(3),\n DequeueValue = _require4.DequeueValue,\n EnqueueValueWithSize = _require4.EnqueueValueWithSize,\n ResetQueue = _require4.ResetQueue;\n\nvar _require5 = __w_pdfjs_require__(2),\n AcquireWritableStreamDefaultWriter = _require5.AcquireWritableStreamDefaultWriter,\n IsWritableStream = _require5.IsWritableStream,\n IsWritableStreamLocked = _require5.IsWritableStreamLocked,\n WritableStreamAbort = _require5.WritableStreamAbort,\n WritableStreamDefaultWriterCloseWithErrorPropagation = _require5.WritableStreamDefaultWriterCloseWithErrorPropagation,\n WritableStreamDefaultWriterRelease = _require5.WritableStreamDefaultWriterRelease,\n WritableStreamDefaultWriterWrite = _require5.WritableStreamDefaultWriterWrite,\n WritableStreamCloseQueuedOrInFlight = _require5.WritableStreamCloseQueuedOrInFlight;\n\nvar ReadableStream = function () {\n function ReadableStream() {\n var underlyingSource = arguments.length > 0 && arguments[0] !== undefined ? arguments[0] : {};\n\n var _ref = arguments.length > 1 && arguments[1] !== undefined ? arguments[1] : {},\n size = _ref.size,\n highWaterMark = _ref.highWaterMark;\n\n _classCallCheck(this, ReadableStream);\n\n // Exposed to controllers.\n this._state = 'readable';\n\n this._reader = undefined;\n this._storedError = undefined;\n\n this._disturbed = false;\n\n // Initialize to undefined first because the constructor of the controller checks this\n // variable to validate the caller.\n this._readableStreamController = undefined;\n var type = underlyingSource.type;\n var typeString = String(type);\n if (typeString === 'bytes') {\n if (highWaterMark === undefined) {\n highWaterMark = 0;\n }\n this._readableStreamController = new ReadableByteStreamController(this, underlyingSource, highWaterMark);\n } else if (type === undefined) {\n if (highWaterMark === undefined) {\n highWaterMark = 1;\n }\n this._readableStreamController = new ReadableStreamDefaultController(this, underlyingSource, size, highWaterMark);\n } else {\n throw new RangeError('Invalid type is specified');\n }\n }\n\n _createClass(ReadableStream, [{\n key: 'cancel',\n value: function cancel(reason) {\n if (IsReadableStream(this) === false) {\n return Promise.reject(streamBrandCheckException('cancel'));\n }\n\n if (IsReadableStreamLocked(this) === true) {\n return Promise.reject(new TypeError('Cannot cancel a stream that already has a reader'));\n }\n\n return ReadableStreamCancel(this, reason);\n }\n }, {\n key: 'getReader',\n value: function getReader() {\n var _ref2 = arguments.length > 0 && arguments[0] !== undefined ? arguments[0] : {},\n mode = _ref2.mode;\n\n if (IsReadableStream(this) === false) {\n throw streamBrandCheckException('getReader');\n }\n\n if (mode === undefined) {\n return AcquireReadableStreamDefaultReader(this);\n }\n\n mode = String(mode);\n\n if (mode === 'byob') {\n return AcquireReadableStreamBYOBReader(this);\n }\n\n throw new RangeError('Invalid mode is specified');\n }\n }, {\n key: 'pipeThrough',\n value: function pipeThrough(_ref3, options) {\n var writable = _ref3.writable,\n readable = _ref3.readable;\n\n var promise = this.pipeTo(writable, options);\n\n ifIsObjectAndHasAPromiseIsHandledInternalSlotSetPromiseIsHandledToTrue(promise);\n\n return readable;\n }\n }, {\n key: 'pipeTo',\n value: function pipeTo(dest) {\n var _this = this;\n\n var _ref4 = arguments.length > 1 && arguments[1] !== undefined ? arguments[1] : {},\n preventClose = _ref4.preventClose,\n preventAbort = _ref4.preventAbort,\n preventCancel = _ref4.preventCancel;\n\n if (IsReadableStream(this) === false) {\n return Promise.reject(streamBrandCheckException('pipeTo'));\n }\n if (IsWritableStream(dest) === false) {\n return Promise.reject(new TypeError('ReadableStream.prototype.pipeTo\\'s first argument must be a WritableStream'));\n }\n\n preventClose = Boolean(preventClose);\n preventAbort = Boolean(preventAbort);\n preventCancel = Boolean(preventCancel);\n\n if (IsReadableStreamLocked(this) === true) {\n return Promise.reject(new TypeError('ReadableStream.prototype.pipeTo cannot be used on a locked ReadableStream'));\n }\n if (IsWritableStreamLocked(dest) === true) {\n return Promise.reject(new TypeError('ReadableStream.prototype.pipeTo cannot be used on a locked WritableStream'));\n }\n\n var reader = AcquireReadableStreamDefaultReader(this);\n var writer = AcquireWritableStreamDefaultWriter(dest);\n\n var shuttingDown = false;\n\n // This is used to keep track of the spec's requirement that we wait for ongoing writes during shutdown.\n var currentWrite = Promise.resolve();\n\n return new Promise(function (resolve, reject) {\n // Using reader and writer, read all chunks from this and write them to dest\n // - Backpressure must be enforced\n // - Shutdown must stop all activity\n function pipeLoop() {\n currentWrite = Promise.resolve();\n\n if (shuttingDown === true) {\n return Promise.resolve();\n }\n\n return writer._readyPromise.then(function () {\n return ReadableStreamDefaultReaderRead(reader).then(function (_ref5) {\n var value = _ref5.value,\n done = _ref5.done;\n\n if (done === true) {\n return;\n }\n\n currentWrite = WritableStreamDefaultWriterWrite(writer, value).catch(function () {});\n });\n }).then(pipeLoop);\n }\n\n // Errors must be propagated forward\n isOrBecomesErrored(_this, reader._closedPromise, function (storedError) {\n if (preventAbort === false) {\n shutdownWithAction(function () {\n return WritableStreamAbort(dest, storedError);\n }, true, storedError);\n } else {\n shutdown(true, storedError);\n }\n });\n\n // Errors must be propagated backward\n isOrBecomesErrored(dest, writer._closedPromise, function (storedError) {\n if (preventCancel === false) {\n shutdownWithAction(function () {\n return ReadableStreamCancel(_this, storedError);\n }, true, storedError);\n } else {\n shutdown(true, storedError);\n }\n });\n\n // Closing must be propagated forward\n isOrBecomesClosed(_this, reader._closedPromise, function () {\n if (preventClose === false) {\n shutdownWithAction(function () {\n return WritableStreamDefaultWriterCloseWithErrorPropagation(writer);\n });\n } else {\n shutdown();\n }\n });\n\n // Closing must be propagated backward\n if (WritableStreamCloseQueuedOrInFlight(dest) === true || dest._state === 'closed') {\n var destClosed = new TypeError('the destination writable stream closed before all data could be piped to it');\n\n if (preventCancel === false) {\n shutdownWithAction(function () {\n return ReadableStreamCancel(_this, destClosed);\n }, true, destClosed);\n } else {\n shutdown(true, destClosed);\n }\n }\n\n pipeLoop().catch(function (err) {\n currentWrite = Promise.resolve();\n rethrowAssertionErrorRejection(err);\n });\n\n function waitForWritesToFinish() {\n // Another write may have started while we were waiting on this currentWrite, so we have to be sure to wait\n // for that too.\n var oldCurrentWrite = currentWrite;\n return currentWrite.then(function () {\n return oldCurrentWrite !== currentWrite ? waitForWritesToFinish() : undefined;\n });\n }\n\n function isOrBecomesErrored(stream, promise, action) {\n if (stream._state === 'errored') {\n action(stream._storedError);\n } else {\n promise.catch(action).catch(rethrowAssertionErrorRejection);\n }\n }\n\n function isOrBecomesClosed(stream, promise, action) {\n if (stream._state === 'closed') {\n action();\n } else {\n promise.then(action).catch(rethrowAssertionErrorRejection);\n }\n }\n\n function shutdownWithAction(action, originalIsError, originalError) {\n if (shuttingDown === true) {\n return;\n }\n shuttingDown = true;\n\n if (dest._state === 'writable' && WritableStreamCloseQueuedOrInFlight(dest) === false) {\n waitForWritesToFinish().then(doTheRest);\n } else {\n doTheRest();\n }\n\n function doTheRest() {\n action().then(function () {\n return finalize(originalIsError, originalError);\n }, function (newError) {\n return finalize(true, newError);\n }).catch(rethrowAssertionErrorRejection);\n }\n }\n\n function shutdown(isError, error) {\n if (shuttingDown === true) {\n return;\n }\n shuttingDown = true;\n\n if (dest._state === 'writable' && WritableStreamCloseQueuedOrInFlight(dest) === false) {\n waitForWritesToFinish().then(function () {\n return finalize(isError, error);\n }).catch(rethrowAssertionErrorRejection);\n } else {\n finalize(isError, error);\n }\n }\n\n function finalize(isError, error) {\n WritableStreamDefaultWriterRelease(writer);\n ReadableStreamReaderGenericRelease(reader);\n\n if (isError) {\n reject(error);\n } else {\n resolve(undefined);\n }\n }\n });\n }\n }, {\n key: 'tee',\n value: function tee() {\n if (IsReadableStream(this) === false) {\n throw streamBrandCheckException('tee');\n }\n\n var branches = ReadableStreamTee(this, false);\n return createArrayFromList(branches);\n }\n }, {\n key: 'locked',\n get: function get() {\n if (IsReadableStream(this) === false) {\n throw streamBrandCheckException('locked');\n }\n\n return IsReadableStreamLocked(this);\n }\n }]);\n\n return ReadableStream;\n}();\n\nmodule.exports = {\n ReadableStream: ReadableStream,\n IsReadableStreamDisturbed: IsReadableStreamDisturbed,\n ReadableStreamDefaultControllerClose: ReadableStreamDefaultControllerClose,\n ReadableStreamDefaultControllerEnqueue: ReadableStreamDefaultControllerEnqueue,\n ReadableStreamDefaultControllerError: ReadableStreamDefaultControllerError,\n ReadableStreamDefaultControllerGetDesiredSize: ReadableStreamDefaultControllerGetDesiredSize\n};\n\n// Abstract operations for the ReadableStream.\n\nfunction AcquireReadableStreamBYOBReader(stream) {\n return new ReadableStreamBYOBReader(stream);\n}\n\nfunction AcquireReadableStreamDefaultReader(stream) {\n return new ReadableStreamDefaultReader(stream);\n}\n\nfunction IsReadableStream(x) {\n if (!typeIsObject(x)) {\n return false;\n }\n\n if (!Object.prototype.hasOwnProperty.call(x, '_readableStreamController')) {\n return false;\n }\n\n return true;\n}\n\nfunction IsReadableStreamDisturbed(stream) {\n assert(IsReadableStream(stream) === true, 'IsReadableStreamDisturbed should only be used on known readable streams');\n\n return stream._disturbed;\n}\n\nfunction IsReadableStreamLocked(stream) {\n assert(IsReadableStream(stream) === true, 'IsReadableStreamLocked should only be used on known readable streams');\n\n if (stream._reader === undefined) {\n return false;\n }\n\n return true;\n}\n\nfunction ReadableStreamTee(stream, cloneForBranch2) {\n assert(IsReadableStream(stream) === true);\n assert(typeof cloneForBranch2 === 'boolean');\n\n var reader = AcquireReadableStreamDefaultReader(stream);\n\n var teeState = {\n closedOrErrored: false,\n canceled1: false,\n canceled2: false,\n reason1: undefined,\n reason2: undefined\n };\n teeState.promise = new Promise(function (resolve) {\n teeState._resolve = resolve;\n });\n\n var pull = create_ReadableStreamTeePullFunction();\n pull._reader = reader;\n pull._teeState = teeState;\n pull._cloneForBranch2 = cloneForBranch2;\n\n var cancel1 = create_ReadableStreamTeeBranch1CancelFunction();\n cancel1._stream = stream;\n cancel1._teeState = teeState;\n\n var cancel2 = create_ReadableStreamTeeBranch2CancelFunction();\n cancel2._stream = stream;\n cancel2._teeState = teeState;\n\n var underlyingSource1 = Object.create(Object.prototype);\n createDataProperty(underlyingSource1, 'pull', pull);\n createDataProperty(underlyingSource1, 'cancel', cancel1);\n var branch1Stream = new ReadableStream(underlyingSource1);\n\n var underlyingSource2 = Object.create(Object.prototype);\n createDataProperty(underlyingSource2, 'pull', pull);\n createDataProperty(underlyingSource2, 'cancel', cancel2);\n var branch2Stream = new ReadableStream(underlyingSource2);\n\n pull._branch1 = branch1Stream._readableStreamController;\n pull._branch2 = branch2Stream._readableStreamController;\n\n reader._closedPromise.catch(function (r) {\n if (teeState.closedOrErrored === true) {\n return;\n }\n\n ReadableStreamDefaultControllerError(pull._branch1, r);\n ReadableStreamDefaultControllerError(pull._branch2, r);\n teeState.closedOrErrored = true;\n });\n\n return [branch1Stream, branch2Stream];\n}\n\nfunction create_ReadableStreamTeePullFunction() {\n function f() {\n var reader = f._reader,\n branch1 = f._branch1,\n branch2 = f._branch2,\n teeState = f._teeState;\n\n\n return ReadableStreamDefaultReaderRead(reader).then(function (result) {\n assert(typeIsObject(result));\n var value = result.value;\n var done = result.done;\n assert(typeof done === 'boolean');\n\n if (done === true && teeState.closedOrErrored === false) {\n if (teeState.canceled1 === false) {\n ReadableStreamDefaultControllerClose(branch1);\n }\n if (teeState.canceled2 === false) {\n ReadableStreamDefaultControllerClose(branch2);\n }\n teeState.closedOrErrored = true;\n }\n\n if (teeState.closedOrErrored === true) {\n return;\n }\n\n var value1 = value;\n var value2 = value;\n\n // There is no way to access the cloning code right now in the reference implementation.\n // If we add one then we'll need an implementation for serializable objects.\n // if (teeState.canceled2 === false && cloneForBranch2 === true) {\n // value2 = StructuredDeserialize(StructuredSerialize(value2));\n // }\n\n if (teeState.canceled1 === false) {\n ReadableStreamDefaultControllerEnqueue(branch1, value1);\n }\n\n if (teeState.canceled2 === false) {\n ReadableStreamDefaultControllerEnqueue(branch2, value2);\n }\n });\n }\n return f;\n}\n\nfunction create_ReadableStreamTeeBranch1CancelFunction() {\n function f(reason) {\n var stream = f._stream,\n teeState = f._teeState;\n\n\n teeState.canceled1 = true;\n teeState.reason1 = reason;\n if (teeState.canceled2 === true) {\n var compositeReason = createArrayFromList([teeState.reason1, teeState.reason2]);\n var cancelResult = ReadableStreamCancel(stream, compositeReason);\n teeState._resolve(cancelResult);\n }\n return teeState.promise;\n }\n return f;\n}\n\nfunction create_ReadableStreamTeeBranch2CancelFunction() {\n function f(reason) {\n var stream = f._stream,\n teeState = f._teeState;\n\n\n teeState.canceled2 = true;\n teeState.reason2 = reason;\n if (teeState.canceled1 === true) {\n var compositeReason = createArrayFromList([teeState.reason1, teeState.reason2]);\n var cancelResult = ReadableStreamCancel(stream, compositeReason);\n teeState._resolve(cancelResult);\n }\n return teeState.promise;\n }\n return f;\n}\n\n// ReadableStream API exposed for controllers.\n\nfunction ReadableStreamAddReadIntoRequest(stream) {\n assert(IsReadableStreamBYOBReader(stream._reader) === true);\n assert(stream._state === 'readable' || stream._state === 'closed');\n\n var promise = new Promise(function (resolve, reject) {\n var readIntoRequest = {\n _resolve: resolve,\n _reject: reject\n };\n\n stream._reader._readIntoRequests.push(readIntoRequest);\n });\n\n return promise;\n}\n\nfunction ReadableStreamAddReadRequest(stream) {\n assert(IsReadableStreamDefaultReader(stream._reader) === true);\n assert(stream._state === 'readable');\n\n var promise = new Promise(function (resolve, reject) {\n var readRequest = {\n _resolve: resolve,\n _reject: reject\n };\n\n stream._reader._readRequests.push(readRequest);\n });\n\n return promise;\n}\n\nfunction ReadableStreamCancel(stream, reason) {\n stream._disturbed = true;\n\n if (stream._state === 'closed') {\n return Promise.resolve(undefined);\n }\n if (stream._state === 'errored') {\n return Promise.reject(stream._storedError);\n }\n\n ReadableStreamClose(stream);\n\n var sourceCancelPromise = stream._readableStreamController.__cancelSteps(reason);\n return sourceCancelPromise.then(function () {\n return undefined;\n });\n}\n\nfunction ReadableStreamClose(stream) {\n assert(stream._state === 'readable');\n\n stream._state = 'closed';\n\n var reader = stream._reader;\n\n if (reader === undefined) {\n return undefined;\n }\n\n if (IsReadableStreamDefaultReader(reader) === true) {\n for (var i = 0; i < reader._readRequests.length; i++) {\n var _resolve = reader._readRequests[i]._resolve;\n\n _resolve(CreateIterResultObject(undefined, true));\n }\n reader._readRequests = [];\n }\n\n defaultReaderClosedPromiseResolve(reader);\n\n return undefined;\n}\n\nfunction ReadableStreamError(stream, e) {\n assert(IsReadableStream(stream) === true, 'stream must be ReadableStream');\n assert(stream._state === 'readable', 'state must be readable');\n\n stream._state = 'errored';\n stream._storedError = e;\n\n var reader = stream._reader;\n\n if (reader === undefined) {\n return undefined;\n }\n\n if (IsReadableStreamDefaultReader(reader) === true) {\n for (var i = 0; i < reader._readRequests.length; i++) {\n var readRequest = reader._readRequests[i];\n readRequest._reject(e);\n }\n\n reader._readRequests = [];\n } else {\n assert(IsReadableStreamBYOBReader(reader), 'reader must be ReadableStreamBYOBReader');\n\n for (var _i = 0; _i < reader._readIntoRequests.length; _i++) {\n var readIntoRequest = reader._readIntoRequests[_i];\n readIntoRequest._reject(e);\n }\n\n reader._readIntoRequests = [];\n }\n\n defaultReaderClosedPromiseReject(reader, e);\n reader._closedPromise.catch(function () {});\n}\n\nfunction ReadableStreamFulfillReadIntoRequest(stream, chunk, done) {\n var reader = stream._reader;\n\n assert(reader._readIntoRequests.length > 0);\n\n var readIntoRequest = reader._readIntoRequests.shift();\n readIntoRequest._resolve(CreateIterResultObject(chunk, done));\n}\n\nfunction ReadableStreamFulfillReadRequest(stream, chunk, done) {\n var reader = stream._reader;\n\n assert(reader._readRequests.length > 0);\n\n var readRequest = reader._readRequests.shift();\n readRequest._resolve(CreateIterResultObject(chunk, done));\n}\n\nfunction ReadableStreamGetNumReadIntoRequests(stream) {\n return stream._reader._readIntoRequests.length;\n}\n\nfunction ReadableStreamGetNumReadRequests(stream) {\n return stream._reader._readRequests.length;\n}\n\nfunction ReadableStreamHasBYOBReader(stream) {\n var reader = stream._reader;\n\n if (reader === undefined) {\n return false;\n }\n\n if (IsReadableStreamBYOBReader(reader) === false) {\n return false;\n }\n\n return true;\n}\n\nfunction ReadableStreamHasDefaultReader(stream) {\n var reader = stream._reader;\n\n if (reader === undefined) {\n return false;\n }\n\n if (IsReadableStreamDefaultReader(reader) === false) {\n return false;\n }\n\n return true;\n}\n\n// Readers\n\nvar ReadableStreamDefaultReader = function () {\n function ReadableStreamDefaultReader(stream) {\n _classCallCheck(this, ReadableStreamDefaultReader);\n\n if (IsReadableStream(stream) === false) {\n throw new TypeError('ReadableStreamDefaultReader can only be constructed with a ReadableStream instance');\n }\n if (IsReadableStreamLocked(stream) === true) {\n throw new TypeError('This stream has already been locked for exclusive reading by another reader');\n }\n\n ReadableStreamReaderGenericInitialize(this, stream);\n\n this._readRequests = [];\n }\n\n _createClass(ReadableStreamDefaultReader, [{\n key: 'cancel',\n value: function cancel(reason) {\n if (IsReadableStreamDefaultReader(this) === false) {\n return Promise.reject(defaultReaderBrandCheckException('cancel'));\n }\n\n if (this._ownerReadableStream === undefined) {\n return Promise.reject(readerLockException('cancel'));\n }\n\n return ReadableStreamReaderGenericCancel(this, reason);\n }\n }, {\n key: 'read',\n value: function read() {\n if (IsReadableStreamDefaultReader(this) === false) {\n return Promise.reject(defaultReaderBrandCheckException('read'));\n }\n\n if (this._ownerReadableStream === undefined) {\n return Promise.reject(readerLockException('read from'));\n }\n\n return ReadableStreamDefaultReaderRead(this);\n }\n }, {\n key: 'releaseLock',\n value: function releaseLock() {\n if (IsReadableStreamDefaultReader(this) === false) {\n throw defaultReaderBrandCheckException('releaseLock');\n }\n\n if (this._ownerReadableStream === undefined) {\n return;\n }\n\n if (this._readRequests.length > 0) {\n throw new TypeError('Tried to release a reader lock when that reader has pending read() calls un-settled');\n }\n\n ReadableStreamReaderGenericRelease(this);\n }\n }, {\n key: 'closed',\n get: function get() {\n if (IsReadableStreamDefaultReader(this) === false) {\n return Promise.reject(defaultReaderBrandCheckException('closed'));\n }\n\n return this._closedPromise;\n }\n }]);\n\n return ReadableStreamDefaultReader;\n}();\n\nvar ReadableStreamBYOBReader = function () {\n function ReadableStreamBYOBReader(stream) {\n _classCallCheck(this, ReadableStreamBYOBReader);\n\n if (!IsReadableStream(stream)) {\n throw new TypeError('ReadableStreamBYOBReader can only be constructed with a ReadableStream instance given a ' + 'byte source');\n }\n if (IsReadableByteStreamController(stream._readableStreamController) === false) {\n throw new TypeError('Cannot construct a ReadableStreamBYOBReader for a stream not constructed with a byte ' + 'source');\n }\n if (IsReadableStreamLocked(stream)) {\n throw new TypeError('This stream has already been locked for exclusive reading by another reader');\n }\n\n ReadableStreamReaderGenericInitialize(this, stream);\n\n this._readIntoRequests = [];\n }\n\n _createClass(ReadableStreamBYOBReader, [{\n key: 'cancel',\n value: function cancel(reason) {\n if (!IsReadableStreamBYOBReader(this)) {\n return Promise.reject(byobReaderBrandCheckException('cancel'));\n }\n\n if (this._ownerReadableStream === undefined) {\n return Promise.reject(readerLockException('cancel'));\n }\n\n return ReadableStreamReaderGenericCancel(this, reason);\n }\n }, {\n key: 'read',\n value: function read(view) {\n if (!IsReadableStreamBYOBReader(this)) {\n return Promise.reject(byobReaderBrandCheckException('read'));\n }\n\n if (this._ownerReadableStream === undefined) {\n return Promise.reject(readerLockException('read from'));\n }\n\n if (!ArrayBuffer.isView(view)) {\n return Promise.reject(new TypeError('view must be an array buffer view'));\n }\n\n if (view.byteLength === 0) {\n return Promise.reject(new TypeError('view must have non-zero byteLength'));\n }\n\n return ReadableStreamBYOBReaderRead(this, view);\n }\n }, {\n key: 'releaseLock',\n value: function releaseLock() {\n if (!IsReadableStreamBYOBReader(this)) {\n throw byobReaderBrandCheckException('releaseLock');\n }\n\n if (this._ownerReadableStream === undefined) {\n return;\n }\n\n if (this._readIntoRequests.length > 0) {\n throw new TypeError('Tried to release a reader lock when that reader has pending read() calls un-settled');\n }\n\n ReadableStreamReaderGenericRelease(this);\n }\n }, {\n key: 'closed',\n get: function get() {\n if (!IsReadableStreamBYOBReader(this)) {\n return Promise.reject(byobReaderBrandCheckException('closed'));\n }\n\n return this._closedPromise;\n }\n }]);\n\n return ReadableStreamBYOBReader;\n}();\n\n// Abstract operations for the readers.\n\nfunction IsReadableStreamBYOBReader(x) {\n if (!typeIsObject(x)) {\n return false;\n }\n\n if (!Object.prototype.hasOwnProperty.call(x, '_readIntoRequests')) {\n return false;\n }\n\n return true;\n}\n\nfunction IsReadableStreamDefaultReader(x) {\n if (!typeIsObject(x)) {\n return false;\n }\n\n if (!Object.prototype.hasOwnProperty.call(x, '_readRequests')) {\n return false;\n }\n\n return true;\n}\n\nfunction ReadableStreamReaderGenericInitialize(reader, stream) {\n reader._ownerReadableStream = stream;\n stream._reader = reader;\n\n if (stream._state === 'readable') {\n defaultReaderClosedPromiseInitialize(reader);\n } else if (stream._state === 'closed') {\n defaultReaderClosedPromiseInitializeAsResolved(reader);\n } else {\n assert(stream._state === 'errored', 'state must be errored');\n\n defaultReaderClosedPromiseInitializeAsRejected(reader, stream._storedError);\n reader._closedPromise.catch(function () {});\n }\n}\n\n// A client of ReadableStreamDefaultReader and ReadableStreamBYOBReader may use these functions directly to bypass state\n// check.\n\nfunction ReadableStreamReaderGenericCancel(reader, reason) {\n var stream = reader._ownerReadableStream;\n assert(stream !== undefined);\n return ReadableStreamCancel(stream, reason);\n}\n\nfunction ReadableStreamReaderGenericRelease(reader) {\n assert(reader._ownerReadableStream !== undefined);\n assert(reader._ownerReadableStream._reader === reader);\n\n if (reader._ownerReadableStream._state === 'readable') {\n defaultReaderClosedPromiseReject(reader, new TypeError('Reader was released and can no longer be used to monitor the stream\\'s closedness'));\n } else {\n defaultReaderClosedPromiseResetToRejected(reader, new TypeError('Reader was released and can no longer be used to monitor the stream\\'s closedness'));\n }\n reader._closedPromise.catch(function () {});\n\n reader._ownerReadableStream._reader = undefined;\n reader._ownerReadableStream = undefined;\n}\n\nfunction ReadableStreamBYOBReaderRead(reader, view) {\n var stream = reader._ownerReadableStream;\n\n assert(stream !== undefined);\n\n stream._disturbed = true;\n\n if (stream._state === 'errored') {\n return Promise.reject(stream._storedError);\n }\n\n // Controllers must implement this.\n return ReadableByteStreamControllerPullInto(stream._readableStreamController, view);\n}\n\nfunction ReadableStreamDefaultReaderRead(reader) {\n var stream = reader._ownerReadableStream;\n\n assert(stream !== undefined);\n\n stream._disturbed = true;\n\n if (stream._state === 'closed') {\n return Promise.resolve(CreateIterResultObject(undefined, true));\n }\n\n if (stream._state === 'errored') {\n return Promise.reject(stream._storedError);\n }\n\n assert(stream._state === 'readable');\n\n return stream._readableStreamController.__pullSteps();\n}\n\n// Controllers\n\nvar ReadableStreamDefaultController = function () {\n function ReadableStreamDefaultController(stream, underlyingSource, size, highWaterMark) {\n _classCallCheck(this, ReadableStreamDefaultController);\n\n if (IsReadableStream(stream) === false) {\n throw new TypeError('ReadableStreamDefaultController can only be constructed with a ReadableStream instance');\n }\n\n if (stream._readableStreamController !== undefined) {\n throw new TypeError('ReadableStreamDefaultController instances can only be created by the ReadableStream constructor');\n }\n\n this._controlledReadableStream = stream;\n\n this._underlyingSource = underlyingSource;\n\n // Need to set the slots so that the assert doesn't fire. In the spec the slots already exist implicitly.\n this._queue = undefined;\n this._queueTotalSize = undefined;\n ResetQueue(this);\n\n this._started = false;\n this._closeRequested = false;\n this._pullAgain = false;\n this._pulling = false;\n\n var normalizedStrategy = ValidateAndNormalizeQueuingStrategy(size, highWaterMark);\n this._strategySize = normalizedStrategy.size;\n this._strategyHWM = normalizedStrategy.highWaterMark;\n\n var controller = this;\n\n var startResult = InvokeOrNoop(underlyingSource, 'start', [this]);\n Promise.resolve(startResult).then(function () {\n controller._started = true;\n\n assert(controller._pulling === false);\n assert(controller._pullAgain === false);\n\n ReadableStreamDefaultControllerCallPullIfNeeded(controller);\n }, function (r) {\n ReadableStreamDefaultControllerErrorIfNeeded(controller, r);\n }).catch(rethrowAssertionErrorRejection);\n }\n\n _createClass(ReadableStreamDefaultController, [{\n key: 'close',\n value: function close() {\n if (IsReadableStreamDefaultController(this) === false) {\n throw defaultControllerBrandCheckException('close');\n }\n\n if (this._closeRequested === true) {\n throw new TypeError('The stream has already been closed; do not close it again!');\n }\n\n var state = this._controlledReadableStream._state;\n if (state !== 'readable') {\n throw new TypeError('The stream (in ' + state + ' state) is not in the readable state and cannot be closed');\n }\n\n ReadableStreamDefaultControllerClose(this);\n }\n }, {\n key: 'enqueue',\n value: function enqueue(chunk) {\n if (IsReadableStreamDefaultController(this) === false) {\n throw defaultControllerBrandCheckException('enqueue');\n }\n\n if (this._closeRequested === true) {\n throw new TypeError('stream is closed or draining');\n }\n\n var state = this._controlledReadableStream._state;\n if (state !== 'readable') {\n throw new TypeError('The stream (in ' + state + ' state) is not in the readable state and cannot be enqueued to');\n }\n\n return ReadableStreamDefaultControllerEnqueue(this, chunk);\n }\n }, {\n key: 'error',\n value: function error(e) {\n if (IsReadableStreamDefaultController(this) === false) {\n throw defaultControllerBrandCheckException('error');\n }\n\n var stream = this._controlledReadableStream;\n if (stream._state !== 'readable') {\n throw new TypeError('The stream is ' + stream._state + ' and so cannot be errored');\n }\n\n ReadableStreamDefaultControllerError(this, e);\n }\n }, {\n key: '__cancelSteps',\n value: function __cancelSteps(reason) {\n ResetQueue(this);\n return PromiseInvokeOrNoop(this._underlyingSource, 'cancel', [reason]);\n }\n }, {\n key: '__pullSteps',\n value: function __pullSteps() {\n var stream = this._controlledReadableStream;\n\n if (this._queue.length > 0) {\n var chunk = DequeueValue(this);\n\n if (this._closeRequested === true && this._queue.length === 0) {\n ReadableStreamClose(stream);\n } else {\n ReadableStreamDefaultControllerCallPullIfNeeded(this);\n }\n\n return Promise.resolve(CreateIterResultObject(chunk, false));\n }\n\n var pendingPromise = ReadableStreamAddReadRequest(stream);\n ReadableStreamDefaultControllerCallPullIfNeeded(this);\n return pendingPromise;\n }\n }, {\n key: 'desiredSize',\n get: function get() {\n if (IsReadableStreamDefaultController(this) === false) {\n throw defaultControllerBrandCheckException('desiredSize');\n }\n\n return ReadableStreamDefaultControllerGetDesiredSize(this);\n }\n }]);\n\n return ReadableStreamDefaultController;\n}();\n\n// Abstract operations for the ReadableStreamDefaultController.\n\nfunction IsReadableStreamDefaultController(x) {\n if (!typeIsObject(x)) {\n return false;\n }\n\n if (!Object.prototype.hasOwnProperty.call(x, '_underlyingSource')) {\n return false;\n }\n\n return true;\n}\n\nfunction ReadableStreamDefaultControllerCallPullIfNeeded(controller) {\n var shouldPull = ReadableStreamDefaultControllerShouldCallPull(controller);\n if (shouldPull === false) {\n return undefined;\n }\n\n if (controller._pulling === true) {\n controller._pullAgain = true;\n return undefined;\n }\n\n assert(controller._pullAgain === false);\n\n controller._pulling = true;\n\n var pullPromise = PromiseInvokeOrNoop(controller._underlyingSource, 'pull', [controller]);\n pullPromise.then(function () {\n controller._pulling = false;\n\n if (controller._pullAgain === true) {\n controller._pullAgain = false;\n return ReadableStreamDefaultControllerCallPullIfNeeded(controller);\n }\n return undefined;\n }, function (e) {\n ReadableStreamDefaultControllerErrorIfNeeded(controller, e);\n }).catch(rethrowAssertionErrorRejection);\n\n return undefined;\n}\n\nfunction ReadableStreamDefaultControllerShouldCallPull(controller) {\n var stream = controller._controlledReadableStream;\n\n if (stream._state === 'closed' || stream._state === 'errored') {\n return false;\n }\n\n if (controller._closeRequested === true) {\n return false;\n }\n\n if (controller._started === false) {\n return false;\n }\n\n if (IsReadableStreamLocked(stream) === true && ReadableStreamGetNumReadRequests(stream) > 0) {\n return true;\n }\n\n var desiredSize = ReadableStreamDefaultControllerGetDesiredSize(controller);\n if (desiredSize > 0) {\n return true;\n }\n\n return false;\n}\n\n// A client of ReadableStreamDefaultController may use these functions directly to bypass state check.\n\nfunction ReadableStreamDefaultControllerClose(controller) {\n var stream = controller._controlledReadableStream;\n\n assert(controller._closeRequested === false);\n assert(stream._state === 'readable');\n\n controller._closeRequested = true;\n\n if (controller._queue.length === 0) {\n ReadableStreamClose(stream);\n }\n}\n\nfunction ReadableStreamDefaultControllerEnqueue(controller, chunk) {\n var stream = controller._controlledReadableStream;\n\n assert(controller._closeRequested === false);\n assert(stream._state === 'readable');\n\n if (IsReadableStreamLocked(stream) === true && ReadableStreamGetNumReadRequests(stream) > 0) {\n ReadableStreamFulfillReadRequest(stream, chunk, false);\n } else {\n var chunkSize = 1;\n\n if (controller._strategySize !== undefined) {\n var strategySize = controller._strategySize;\n try {\n chunkSize = strategySize(chunk);\n } catch (chunkSizeE) {\n ReadableStreamDefaultControllerErrorIfNeeded(controller, chunkSizeE);\n throw chunkSizeE;\n }\n }\n\n try {\n EnqueueValueWithSize(controller, chunk, chunkSize);\n } catch (enqueueE) {\n ReadableStreamDefaultControllerErrorIfNeeded(controller, enqueueE);\n throw enqueueE;\n }\n }\n\n ReadableStreamDefaultControllerCallPullIfNeeded(controller);\n\n return undefined;\n}\n\nfunction ReadableStreamDefaultControllerError(controller, e) {\n var stream = controller._controlledReadableStream;\n\n assert(stream._state === 'readable');\n\n ResetQueue(controller);\n\n ReadableStreamError(stream, e);\n}\n\nfunction ReadableStreamDefaultControllerErrorIfNeeded(controller, e) {\n if (controller._controlledReadableStream._state === 'readable') {\n ReadableStreamDefaultControllerError(controller, e);\n }\n}\n\nfunction ReadableStreamDefaultControllerGetDesiredSize(controller) {\n var stream = controller._controlledReadableStream;\n var state = stream._state;\n\n if (state === 'errored') {\n return null;\n }\n if (state === 'closed') {\n return 0;\n }\n\n return controller._strategyHWM - controller._queueTotalSize;\n}\n\nvar ReadableStreamBYOBRequest = function () {\n function ReadableStreamBYOBRequest(controller, view) {\n _classCallCheck(this, ReadableStreamBYOBRequest);\n\n this._associatedReadableByteStreamController = controller;\n this._view = view;\n }\n\n _createClass(ReadableStreamBYOBRequest, [{\n key: 'respond',\n value: function respond(bytesWritten) {\n if (IsReadableStreamBYOBRequest(this) === false) {\n throw byobRequestBrandCheckException('respond');\n }\n\n if (this._associatedReadableByteStreamController === undefined) {\n throw new TypeError('This BYOB request has been invalidated');\n }\n\n ReadableByteStreamControllerRespond(this._associatedReadableByteStreamController, bytesWritten);\n }\n }, {\n key: 'respondWithNewView',\n value: function respondWithNewView(view) {\n if (IsReadableStreamBYOBRequest(this) === false) {\n throw byobRequestBrandCheckException('respond');\n }\n\n if (this._associatedReadableByteStreamController === undefined) {\n throw new TypeError('This BYOB request has been invalidated');\n }\n\n if (!ArrayBuffer.isView(view)) {\n throw new TypeError('You can only respond with array buffer views');\n }\n\n ReadableByteStreamControllerRespondWithNewView(this._associatedReadableByteStreamController, view);\n }\n }, {\n key: 'view',\n get: function get() {\n return this._view;\n }\n }]);\n\n return ReadableStreamBYOBRequest;\n}();\n\nvar ReadableByteStreamController = function () {\n function ReadableByteStreamController(stream, underlyingByteSource, highWaterMark) {\n _classCallCheck(this, ReadableByteStreamController);\n\n if (IsReadableStream(stream) === false) {\n throw new TypeError('ReadableByteStreamController can only be constructed with a ReadableStream instance given ' + 'a byte source');\n }\n\n if (stream._readableStreamController !== undefined) {\n throw new TypeError('ReadableByteStreamController instances can only be created by the ReadableStream constructor given a byte ' + 'source');\n }\n\n this._controlledReadableStream = stream;\n\n this._underlyingByteSource = underlyingByteSource;\n\n this._pullAgain = false;\n this._pulling = false;\n\n ReadableByteStreamControllerClearPendingPullIntos(this);\n\n // Need to set the slots so that the assert doesn't fire. In the spec the slots already exist implicitly.\n this._queue = this._queueTotalSize = undefined;\n ResetQueue(this);\n\n this._closeRequested = false;\n this._started = false;\n\n this._strategyHWM = ValidateAndNormalizeHighWaterMark(highWaterMark);\n\n var autoAllocateChunkSize = underlyingByteSource.autoAllocateChunkSize;\n if (autoAllocateChunkSize !== undefined) {\n if (Number.isInteger(autoAllocateChunkSize) === false || autoAllocateChunkSize <= 0) {\n throw new RangeError('autoAllocateChunkSize must be a positive integer');\n }\n }\n this._autoAllocateChunkSize = autoAllocateChunkSize;\n\n this._pendingPullIntos = [];\n\n var controller = this;\n\n var startResult = InvokeOrNoop(underlyingByteSource, 'start', [this]);\n Promise.resolve(startResult).then(function () {\n controller._started = true;\n\n assert(controller._pulling === false);\n assert(controller._pullAgain === false);\n\n ReadableByteStreamControllerCallPullIfNeeded(controller);\n }, function (r) {\n if (stream._state === 'readable') {\n ReadableByteStreamControllerError(controller, r);\n }\n }).catch(rethrowAssertionErrorRejection);\n }\n\n _createClass(ReadableByteStreamController, [{\n key: 'close',\n value: function close() {\n if (IsReadableByteStreamController(this) === false) {\n throw byteStreamControllerBrandCheckException('close');\n }\n\n if (this._closeRequested === true) {\n throw new TypeError('The stream has already been closed; do not close it again!');\n }\n\n var state = this._controlledReadableStream._state;\n if (state !== 'readable') {\n throw new TypeError('The stream (in ' + state + ' state) is not in the readable state and cannot be closed');\n }\n\n ReadableByteStreamControllerClose(this);\n }\n }, {\n key: 'enqueue',\n value: function enqueue(chunk) {\n if (IsReadableByteStreamController(this) === false) {\n throw byteStreamControllerBrandCheckException('enqueue');\n }\n\n if (this._closeRequested === true) {\n throw new TypeError('stream is closed or draining');\n }\n\n var state = this._controlledReadableStream._state;\n if (state !== 'readable') {\n throw new TypeError('The stream (in ' + state + ' state) is not in the readable state and cannot be enqueued to');\n }\n\n if (!ArrayBuffer.isView(chunk)) {\n throw new TypeError('You can only enqueue array buffer views when using a ReadableByteStreamController');\n }\n\n ReadableByteStreamControllerEnqueue(this, chunk);\n }\n }, {\n key: 'error',\n value: function error(e) {\n if (IsReadableByteStreamController(this) === false) {\n throw byteStreamControllerBrandCheckException('error');\n }\n\n var stream = this._controlledReadableStream;\n if (stream._state !== 'readable') {\n throw new TypeError('The stream is ' + stream._state + ' and so cannot be errored');\n }\n\n ReadableByteStreamControllerError(this, e);\n }\n }, {\n key: '__cancelSteps',\n value: function __cancelSteps(reason) {\n if (this._pendingPullIntos.length > 0) {\n var firstDescriptor = this._pendingPullIntos[0];\n firstDescriptor.bytesFilled = 0;\n }\n\n ResetQueue(this);\n\n return PromiseInvokeOrNoop(this._underlyingByteSource, 'cancel', [reason]);\n }\n }, {\n key: '__pullSteps',\n value: function __pullSteps() {\n var stream = this._controlledReadableStream;\n assert(ReadableStreamHasDefaultReader(stream) === true);\n\n if (this._queueTotalSize > 0) {\n assert(ReadableStreamGetNumReadRequests(stream) === 0);\n\n var entry = this._queue.shift();\n this._queueTotalSize -= entry.byteLength;\n\n ReadableByteStreamControllerHandleQueueDrain(this);\n\n var view = void 0;\n try {\n view = new Uint8Array(entry.buffer, entry.byteOffset, entry.byteLength);\n } catch (viewE) {\n return Promise.reject(viewE);\n }\n\n return Promise.resolve(CreateIterResultObject(view, false));\n }\n\n var autoAllocateChunkSize = this._autoAllocateChunkSize;\n if (autoAllocateChunkSize !== undefined) {\n var buffer = void 0;\n try {\n buffer = new ArrayBuffer(autoAllocateChunkSize);\n } catch (bufferE) {\n return Promise.reject(bufferE);\n }\n\n var pullIntoDescriptor = {\n buffer: buffer,\n byteOffset: 0,\n byteLength: autoAllocateChunkSize,\n bytesFilled: 0,\n elementSize: 1,\n ctor: Uint8Array,\n readerType: 'default'\n };\n\n this._pendingPullIntos.push(pullIntoDescriptor);\n }\n\n var promise = ReadableStreamAddReadRequest(stream);\n\n ReadableByteStreamControllerCallPullIfNeeded(this);\n\n return promise;\n }\n }, {\n key: 'byobRequest',\n get: function get() {\n if (IsReadableByteStreamController(this) === false) {\n throw byteStreamControllerBrandCheckException('byobRequest');\n }\n\n if (this._byobRequest === undefined && this._pendingPullIntos.length > 0) {\n var firstDescriptor = this._pendingPullIntos[0];\n var view = new Uint8Array(firstDescriptor.buffer, firstDescriptor.byteOffset + firstDescriptor.bytesFilled, firstDescriptor.byteLength - firstDescriptor.bytesFilled);\n\n this._byobRequest = new ReadableStreamBYOBRequest(this, view);\n }\n\n return this._byobRequest;\n }\n }, {\n key: 'desiredSize',\n get: function get() {\n if (IsReadableByteStreamController(this) === false) {\n throw byteStreamControllerBrandCheckException('desiredSize');\n }\n\n return ReadableByteStreamControllerGetDesiredSize(this);\n }\n }]);\n\n return ReadableByteStreamController;\n}();\n\n// Abstract operations for the ReadableByteStreamController.\n\nfunction IsReadableByteStreamController(x) {\n if (!typeIsObject(x)) {\n return false;\n }\n\n if (!Object.prototype.hasOwnProperty.call(x, '_underlyingByteSource')) {\n return false;\n }\n\n return true;\n}\n\nfunction IsReadableStreamBYOBRequest(x) {\n if (!typeIsObject(x)) {\n return false;\n }\n\n if (!Object.prototype.hasOwnProperty.call(x, '_associatedReadableByteStreamController')) {\n return false;\n }\n\n return true;\n}\n\nfunction ReadableByteStreamControllerCallPullIfNeeded(controller) {\n var shouldPull = ReadableByteStreamControllerShouldCallPull(controller);\n if (shouldPull === false) {\n return undefined;\n }\n\n if (controller._pulling === true) {\n controller._pullAgain = true;\n return undefined;\n }\n\n assert(controller._pullAgain === false);\n\n controller._pulling = true;\n\n // TODO: Test controller argument\n var pullPromise = PromiseInvokeOrNoop(controller._underlyingByteSource, 'pull', [controller]);\n pullPromise.then(function () {\n controller._pulling = false;\n\n if (controller._pullAgain === true) {\n controller._pullAgain = false;\n ReadableByteStreamControllerCallPullIfNeeded(controller);\n }\n }, function (e) {\n if (controller._controlledReadableStream._state === 'readable') {\n ReadableByteStreamControllerError(controller, e);\n }\n }).catch(rethrowAssertionErrorRejection);\n\n return undefined;\n}\n\nfunction ReadableByteStreamControllerClearPendingPullIntos(controller) {\n ReadableByteStreamControllerInvalidateBYOBRequest(controller);\n controller._pendingPullIntos = [];\n}\n\nfunction ReadableByteStreamControllerCommitPullIntoDescriptor(stream, pullIntoDescriptor) {\n assert(stream._state !== 'errored', 'state must not be errored');\n\n var done = false;\n if (stream._state === 'closed') {\n assert(pullIntoDescriptor.bytesFilled === 0);\n done = true;\n }\n\n var filledView = ReadableByteStreamControllerConvertPullIntoDescriptor(pullIntoDescriptor);\n if (pullIntoDescriptor.readerType === 'default') {\n ReadableStreamFulfillReadRequest(stream, filledView, done);\n } else {\n assert(pullIntoDescriptor.readerType === 'byob');\n ReadableStreamFulfillReadIntoRequest(stream, filledView, done);\n }\n}\n\nfunction ReadableByteStreamControllerConvertPullIntoDescriptor(pullIntoDescriptor) {\n var bytesFilled = pullIntoDescriptor.bytesFilled;\n var elementSize = pullIntoDescriptor.elementSize;\n\n assert(bytesFilled <= pullIntoDescriptor.byteLength);\n assert(bytesFilled % elementSize === 0);\n\n return new pullIntoDescriptor.ctor(pullIntoDescriptor.buffer, pullIntoDescriptor.byteOffset, bytesFilled / elementSize);\n}\n\nfunction ReadableByteStreamControllerEnqueueChunkToQueue(controller, buffer, byteOffset, byteLength) {\n controller._queue.push({ buffer: buffer, byteOffset: byteOffset, byteLength: byteLength });\n controller._queueTotalSize += byteLength;\n}\n\nfunction ReadableByteStreamControllerFillPullIntoDescriptorFromQueue(controller, pullIntoDescriptor) {\n var elementSize = pullIntoDescriptor.elementSize;\n\n var currentAlignedBytes = pullIntoDescriptor.bytesFilled - pullIntoDescriptor.bytesFilled % elementSize;\n\n var maxBytesToCopy = Math.min(controller._queueTotalSize, pullIntoDescriptor.byteLength - pullIntoDescriptor.bytesFilled);\n var maxBytesFilled = pullIntoDescriptor.bytesFilled + maxBytesToCopy;\n var maxAlignedBytes = maxBytesFilled - maxBytesFilled % elementSize;\n\n var totalBytesToCopyRemaining = maxBytesToCopy;\n var ready = false;\n if (maxAlignedBytes > currentAlignedBytes) {\n totalBytesToCopyRemaining = maxAlignedBytes - pullIntoDescriptor.bytesFilled;\n ready = true;\n }\n\n var queue = controller._queue;\n\n while (totalBytesToCopyRemaining > 0) {\n var headOfQueue = queue[0];\n\n var bytesToCopy = Math.min(totalBytesToCopyRemaining, headOfQueue.byteLength);\n\n var destStart = pullIntoDescriptor.byteOffset + pullIntoDescriptor.bytesFilled;\n ArrayBufferCopy(pullIntoDescriptor.buffer, destStart, headOfQueue.buffer, headOfQueue.byteOffset, bytesToCopy);\n\n if (headOfQueue.byteLength === bytesToCopy) {\n queue.shift();\n } else {\n headOfQueue.byteOffset += bytesToCopy;\n headOfQueue.byteLength -= bytesToCopy;\n }\n controller._queueTotalSize -= bytesToCopy;\n\n ReadableByteStreamControllerFillHeadPullIntoDescriptor(controller, bytesToCopy, pullIntoDescriptor);\n\n totalBytesToCopyRemaining -= bytesToCopy;\n }\n\n if (ready === false) {\n assert(controller._queueTotalSize === 0, 'queue must be empty');\n assert(pullIntoDescriptor.bytesFilled > 0);\n assert(pullIntoDescriptor.bytesFilled < pullIntoDescriptor.elementSize);\n }\n\n return ready;\n}\n\nfunction ReadableByteStreamControllerFillHeadPullIntoDescriptor(controller, size, pullIntoDescriptor) {\n assert(controller._pendingPullIntos.length === 0 || controller._pendingPullIntos[0] === pullIntoDescriptor);\n\n ReadableByteStreamControllerInvalidateBYOBRequest(controller);\n pullIntoDescriptor.bytesFilled += size;\n}\n\nfunction ReadableByteStreamControllerHandleQueueDrain(controller) {\n assert(controller._controlledReadableStream._state === 'readable');\n\n if (controller._queueTotalSize === 0 && controller._closeRequested === true) {\n ReadableStreamClose(controller._controlledReadableStream);\n } else {\n ReadableByteStreamControllerCallPullIfNeeded(controller);\n }\n}\n\nfunction ReadableByteStreamControllerInvalidateBYOBRequest(controller) {\n if (controller._byobRequest === undefined) {\n return;\n }\n\n controller._byobRequest._associatedReadableByteStreamController = undefined;\n controller._byobRequest._view = undefined;\n controller._byobRequest = undefined;\n}\n\nfunction ReadableByteStreamControllerProcessPullIntoDescriptorsUsingQueue(controller) {\n assert(controller._closeRequested === false);\n\n while (controller._pendingPullIntos.length > 0) {\n if (controller._queueTotalSize === 0) {\n return;\n }\n\n var pullIntoDescriptor = controller._pendingPullIntos[0];\n\n if (ReadableByteStreamControllerFillPullIntoDescriptorFromQueue(controller, pullIntoDescriptor) === true) {\n ReadableByteStreamControllerShiftPendingPullInto(controller);\n\n ReadableByteStreamControllerCommitPullIntoDescriptor(controller._controlledReadableStream, pullIntoDescriptor);\n }\n }\n}\n\nfunction ReadableByteStreamControllerPullInto(controller, view) {\n var stream = controller._controlledReadableStream;\n\n var elementSize = 1;\n if (view.constructor !== DataView) {\n elementSize = view.constructor.BYTES_PER_ELEMENT;\n }\n\n var ctor = view.constructor;\n\n var pullIntoDescriptor = {\n buffer: view.buffer,\n byteOffset: view.byteOffset,\n byteLength: view.byteLength,\n bytesFilled: 0,\n elementSize: elementSize,\n ctor: ctor,\n readerType: 'byob'\n };\n\n if (controller._pendingPullIntos.length > 0) {\n pullIntoDescriptor.buffer = TransferArrayBuffer(pullIntoDescriptor.buffer);\n controller._pendingPullIntos.push(pullIntoDescriptor);\n\n // No ReadableByteStreamControllerCallPullIfNeeded() call since:\n // - No change happens on desiredSize\n // - The source has already been notified of that there's at least 1 pending read(view)\n\n return ReadableStreamAddReadIntoRequest(stream);\n }\n\n if (stream._state === 'closed') {\n var emptyView = new view.constructor(pullIntoDescriptor.buffer, pullIntoDescriptor.byteOffset, 0);\n return Promise.resolve(CreateIterResultObject(emptyView, true));\n }\n\n if (controller._queueTotalSize > 0) {\n if (ReadableByteStreamControllerFillPullIntoDescriptorFromQueue(controller, pullIntoDescriptor) === true) {\n var filledView = ReadableByteStreamControllerConvertPullIntoDescriptor(pullIntoDescriptor);\n\n ReadableByteStreamControllerHandleQueueDrain(controller);\n\n return Promise.resolve(CreateIterResultObject(filledView, false));\n }\n\n if (controller._closeRequested === true) {\n var e = new TypeError('Insufficient bytes to fill elements in the given buffer');\n ReadableByteStreamControllerError(controller, e);\n\n return Promise.reject(e);\n }\n }\n\n pullIntoDescriptor.buffer = TransferArrayBuffer(pullIntoDescriptor.buffer);\n controller._pendingPullIntos.push(pullIntoDescriptor);\n\n var promise = ReadableStreamAddReadIntoRequest(stream);\n\n ReadableByteStreamControllerCallPullIfNeeded(controller);\n\n return promise;\n}\n\nfunction ReadableByteStreamControllerRespondInClosedState(controller, firstDescriptor) {\n firstDescriptor.buffer = TransferArrayBuffer(firstDescriptor.buffer);\n\n assert(firstDescriptor.bytesFilled === 0, 'bytesFilled must be 0');\n\n var stream = controller._controlledReadableStream;\n if (ReadableStreamHasBYOBReader(stream) === true) {\n while (ReadableStreamGetNumReadIntoRequests(stream) > 0) {\n var pullIntoDescriptor = ReadableByteStreamControllerShiftPendingPullInto(controller);\n ReadableByteStreamControllerCommitPullIntoDescriptor(stream, pullIntoDescriptor);\n }\n }\n}\n\nfunction ReadableByteStreamControllerRespondInReadableState(controller, bytesWritten, pullIntoDescriptor) {\n if (pullIntoDescriptor.bytesFilled + bytesWritten > pullIntoDescriptor.byteLength) {\n throw new RangeError('bytesWritten out of range');\n }\n\n ReadableByteStreamControllerFillHeadPullIntoDescriptor(controller, bytesWritten, pullIntoDescriptor);\n\n if (pullIntoDescriptor.bytesFilled < pullIntoDescriptor.elementSize) {\n // TODO: Figure out whether we should detach the buffer or not here.\n return;\n }\n\n ReadableByteStreamControllerShiftPendingPullInto(controller);\n\n var remainderSize = pullIntoDescriptor.bytesFilled % pullIntoDescriptor.elementSize;\n if (remainderSize > 0) {\n var end = pullIntoDescriptor.byteOffset + pullIntoDescriptor.bytesFilled;\n var remainder = pullIntoDescriptor.buffer.slice(end - remainderSize, end);\n ReadableByteStreamControllerEnqueueChunkToQueue(controller, remainder, 0, remainder.byteLength);\n }\n\n pullIntoDescriptor.buffer = TransferArrayBuffer(pullIntoDescriptor.buffer);\n pullIntoDescriptor.bytesFilled -= remainderSize;\n ReadableByteStreamControllerCommitPullIntoDescriptor(controller._controlledReadableStream, pullIntoDescriptor);\n\n ReadableByteStreamControllerProcessPullIntoDescriptorsUsingQueue(controller);\n}\n\nfunction ReadableByteStreamControllerRespondInternal(controller, bytesWritten) {\n var firstDescriptor = controller._pendingPullIntos[0];\n\n var stream = controller._controlledReadableStream;\n\n if (stream._state === 'closed') {\n if (bytesWritten !== 0) {\n throw new TypeError('bytesWritten must be 0 when calling respond() on a closed stream');\n }\n\n ReadableByteStreamControllerRespondInClosedState(controller, firstDescriptor);\n } else {\n assert(stream._state === 'readable');\n\n ReadableByteStreamControllerRespondInReadableState(controller, bytesWritten, firstDescriptor);\n }\n}\n\nfunction ReadableByteStreamControllerShiftPendingPullInto(controller) {\n var descriptor = controller._pendingPullIntos.shift();\n ReadableByteStreamControllerInvalidateBYOBRequest(controller);\n return descriptor;\n}\n\nfunction ReadableByteStreamControllerShouldCallPull(controller) {\n var stream = controller._controlledReadableStream;\n\n if (stream._state !== 'readable') {\n return false;\n }\n\n if (controller._closeRequested === true) {\n return false;\n }\n\n if (controller._started === false) {\n return false;\n }\n\n if (ReadableStreamHasDefaultReader(stream) === true && ReadableStreamGetNumReadRequests(stream) > 0) {\n return true;\n }\n\n if (ReadableStreamHasBYOBReader(stream) === true && ReadableStreamGetNumReadIntoRequests(stream) > 0) {\n return true;\n }\n\n if (ReadableByteStreamControllerGetDesiredSize(controller) > 0) {\n return true;\n }\n\n return false;\n}\n\n// A client of ReadableByteStreamController may use these functions directly to bypass state check.\n\nfunction ReadableByteStreamControllerClose(controller) {\n var stream = controller._controlledReadableStream;\n\n assert(controller._closeRequested === false);\n assert(stream._state === 'readable');\n\n if (controller._queueTotalSize > 0) {\n controller._closeRequested = true;\n\n return;\n }\n\n if (controller._pendingPullIntos.length > 0) {\n var firstPendingPullInto = controller._pendingPullIntos[0];\n if (firstPendingPullInto.bytesFilled > 0) {\n var e = new TypeError('Insufficient bytes to fill elements in the given buffer');\n ReadableByteStreamControllerError(controller, e);\n\n throw e;\n }\n }\n\n ReadableStreamClose(stream);\n}\n\nfunction ReadableByteStreamControllerEnqueue(controller, chunk) {\n var stream = controller._controlledReadableStream;\n\n assert(controller._closeRequested === false);\n assert(stream._state === 'readable');\n\n var buffer = chunk.buffer;\n var byteOffset = chunk.byteOffset;\n var byteLength = chunk.byteLength;\n var transferredBuffer = TransferArrayBuffer(buffer);\n\n if (ReadableStreamHasDefaultReader(stream) === true) {\n if (ReadableStreamGetNumReadRequests(stream) === 0) {\n ReadableByteStreamControllerEnqueueChunkToQueue(controller, transferredBuffer, byteOffset, byteLength);\n } else {\n assert(controller._queue.length === 0);\n\n var transferredView = new Uint8Array(transferredBuffer, byteOffset, byteLength);\n ReadableStreamFulfillReadRequest(stream, transferredView, false);\n }\n } else if (ReadableStreamHasBYOBReader(stream) === true) {\n // TODO: Ideally in this branch detaching should happen only if the buffer is not consumed fully.\n ReadableByteStreamControllerEnqueueChunkToQueue(controller, transferredBuffer, byteOffset, byteLength);\n ReadableByteStreamControllerProcessPullIntoDescriptorsUsingQueue(controller);\n } else {\n assert(IsReadableStreamLocked(stream) === false, 'stream must not be locked');\n ReadableByteStreamControllerEnqueueChunkToQueue(controller, transferredBuffer, byteOffset, byteLength);\n }\n}\n\nfunction ReadableByteStreamControllerError(controller, e) {\n var stream = controller._controlledReadableStream;\n\n assert(stream._state === 'readable');\n\n ReadableByteStreamControllerClearPendingPullIntos(controller);\n\n ResetQueue(controller);\n ReadableStreamError(stream, e);\n}\n\nfunction ReadableByteStreamControllerGetDesiredSize(controller) {\n var stream = controller._controlledReadableStream;\n var state = stream._state;\n\n if (state === 'errored') {\n return null;\n }\n if (state === 'closed') {\n return 0;\n }\n\n return controller._strategyHWM - controller._queueTotalSize;\n}\n\nfunction ReadableByteStreamControllerRespond(controller, bytesWritten) {\n bytesWritten = Number(bytesWritten);\n if (IsFiniteNonNegativeNumber(bytesWritten) === false) {\n throw new RangeError('bytesWritten must be a finite');\n }\n\n assert(controller._pendingPullIntos.length > 0);\n\n ReadableByteStreamControllerRespondInternal(controller, bytesWritten);\n}\n\nfunction ReadableByteStreamControllerRespondWithNewView(controller, view) {\n assert(controller._pendingPullIntos.length > 0);\n\n var firstDescriptor = controller._pendingPullIntos[0];\n\n if (firstDescriptor.byteOffset + firstDescriptor.bytesFilled !== view.byteOffset) {\n throw new RangeError('The region specified by view does not match byobRequest');\n }\n if (firstDescriptor.byteLength !== view.byteLength) {\n throw new RangeError('The buffer of view has different capacity than byobRequest');\n }\n\n firstDescriptor.buffer = view.buffer;\n\n ReadableByteStreamControllerRespondInternal(controller, view.byteLength);\n}\n\n// Helper functions for the ReadableStream.\n\nfunction streamBrandCheckException(name) {\n return new TypeError('ReadableStream.prototype.' + name + ' can only be used on a ReadableStream');\n}\n\n// Helper functions for the readers.\n\nfunction readerLockException(name) {\n return new TypeError('Cannot ' + name + ' a stream using a released reader');\n}\n\n// Helper functions for the ReadableStreamDefaultReader.\n\nfunction defaultReaderBrandCheckException(name) {\n return new TypeError('ReadableStreamDefaultReader.prototype.' + name + ' can only be used on a ReadableStreamDefaultReader');\n}\n\nfunction defaultReaderClosedPromiseInitialize(reader) {\n reader._closedPromise = new Promise(function (resolve, reject) {\n reader._closedPromise_resolve = resolve;\n reader._closedPromise_reject = reject;\n });\n}\n\nfunction defaultReaderClosedPromiseInitializeAsRejected(reader, reason) {\n reader._closedPromise = Promise.reject(reason);\n reader._closedPromise_resolve = undefined;\n reader._closedPromise_reject = undefined;\n}\n\nfunction defaultReaderClosedPromiseInitializeAsResolved(reader) {\n reader._closedPromise = Promise.resolve(undefined);\n reader._closedPromise_resolve = undefined;\n reader._closedPromise_reject = undefined;\n}\n\nfunction defaultReaderClosedPromiseReject(reader, reason) {\n assert(reader._closedPromise_resolve !== undefined);\n assert(reader._closedPromise_reject !== undefined);\n\n reader._closedPromise_reject(reason);\n reader._closedPromise_resolve = undefined;\n reader._closedPromise_reject = undefined;\n}\n\nfunction defaultReaderClosedPromiseResetToRejected(reader, reason) {\n assert(reader._closedPromise_resolve === undefined);\n assert(reader._closedPromise_reject === undefined);\n\n reader._closedPromise = Promise.reject(reason);\n}\n\nfunction defaultReaderClosedPromiseResolve(reader) {\n assert(reader._closedPromise_resolve !== undefined);\n assert(reader._closedPromise_reject !== undefined);\n\n reader._closedPromise_resolve(undefined);\n reader._closedPromise_resolve = undefined;\n reader._closedPromise_reject = undefined;\n}\n\n// Helper functions for the ReadableStreamDefaultReader.\n\nfunction byobReaderBrandCheckException(name) {\n return new TypeError('ReadableStreamBYOBReader.prototype.' + name + ' can only be used on a ReadableStreamBYOBReader');\n}\n\n// Helper functions for the ReadableStreamDefaultController.\n\nfunction defaultControllerBrandCheckException(name) {\n return new TypeError('ReadableStreamDefaultController.prototype.' + name + ' can only be used on a ReadableStreamDefaultController');\n}\n\n// Helper functions for the ReadableStreamBYOBRequest.\n\nfunction byobRequestBrandCheckException(name) {\n return new TypeError('ReadableStreamBYOBRequest.prototype.' + name + ' can only be used on a ReadableStreamBYOBRequest');\n}\n\n// Helper functions for the ReadableByteStreamController.\n\nfunction byteStreamControllerBrandCheckException(name) {\n return new TypeError('ReadableByteStreamController.prototype.' + name + ' can only be used on a ReadableByteStreamController');\n}\n\n// Helper function for ReadableStream pipeThrough\n\nfunction ifIsObjectAndHasAPromiseIsHandledInternalSlotSetPromiseIsHandledToTrue(promise) {\n try {\n // This relies on the brand-check that is enforced by Promise.prototype.then(). As with the rest of the reference\n // implementation, it doesn't attempt to do the right thing if someone has modified the global environment.\n Promise.prototype.then.call(promise, undefined, function () {});\n } catch (e) {\n // The brand check failed, therefore the internal slot is not present and there's nothing further to do.\n }\n}\n\n/***/ }),\n/* 5 */\n/***/ (function(module, exports, __w_pdfjs_require__) {\n\n\"use strict\";\n\n\nvar transformStream = __w_pdfjs_require__(6);\nvar readableStream = __w_pdfjs_require__(4);\nvar writableStream = __w_pdfjs_require__(2);\n\nexports.TransformStream = transformStream.TransformStream;\nexports.ReadableStream = readableStream.ReadableStream;\nexports.IsReadableStreamDisturbed = readableStream.IsReadableStreamDisturbed;\nexports.ReadableStreamDefaultControllerClose = readableStream.ReadableStreamDefaultControllerClose;\nexports.ReadableStreamDefaultControllerEnqueue = readableStream.ReadableStreamDefaultControllerEnqueue;\nexports.ReadableStreamDefaultControllerError = readableStream.ReadableStreamDefaultControllerError;\nexports.ReadableStreamDefaultControllerGetDesiredSize = readableStream.ReadableStreamDefaultControllerGetDesiredSize;\nexports.AcquireWritableStreamDefaultWriter = writableStream.AcquireWritableStreamDefaultWriter;\nexports.IsWritableStream = writableStream.IsWritableStream;\nexports.IsWritableStreamLocked = writableStream.IsWritableStreamLocked;\nexports.WritableStream = writableStream.WritableStream;\nexports.WritableStreamAbort = writableStream.WritableStreamAbort;\nexports.WritableStreamDefaultControllerError = writableStream.WritableStreamDefaultControllerError;\nexports.WritableStreamDefaultWriterCloseWithErrorPropagation = writableStream.WritableStreamDefaultWriterCloseWithErrorPropagation;\nexports.WritableStreamDefaultWriterRelease = writableStream.WritableStreamDefaultWriterRelease;\nexports.WritableStreamDefaultWriterWrite = writableStream.WritableStreamDefaultWriterWrite;\n\n/***/ }),\n/* 6 */\n/***/ (function(module, exports, __w_pdfjs_require__) {\n\n\"use strict\";\n\n\nvar _createClass = function () { function defineProperties(target, props) { for (var i = 0; i < props.length; i++) { var descriptor = props[i]; descriptor.enumerable = descriptor.enumerable || false; descriptor.configurable = true; if (\"value\" in descriptor) descriptor.writable = true; Object.defineProperty(target, descriptor.key, descriptor); } } return function (Constructor, protoProps, staticProps) { if (protoProps) defineProperties(Constructor.prototype, protoProps); if (staticProps) defineProperties(Constructor, staticProps); return Constructor; }; }();\n\nfunction _classCallCheck(instance, Constructor) { if (!(instance instanceof Constructor)) { throw new TypeError(\"Cannot call a class as a function\"); } }\n\nvar _require = __w_pdfjs_require__(1),\n assert = _require.assert;\n\nvar _require2 = __w_pdfjs_require__(0),\n InvokeOrNoop = _require2.InvokeOrNoop,\n PromiseInvokeOrPerformFallback = _require2.PromiseInvokeOrPerformFallback,\n PromiseInvokeOrNoop = _require2.PromiseInvokeOrNoop,\n typeIsObject = _require2.typeIsObject;\n\nvar _require3 = __w_pdfjs_require__(4),\n ReadableStream = _require3.ReadableStream,\n ReadableStreamDefaultControllerClose = _require3.ReadableStreamDefaultControllerClose,\n ReadableStreamDefaultControllerEnqueue = _require3.ReadableStreamDefaultControllerEnqueue,\n ReadableStreamDefaultControllerError = _require3.ReadableStreamDefaultControllerError,\n ReadableStreamDefaultControllerGetDesiredSize = _require3.ReadableStreamDefaultControllerGetDesiredSize;\n\nvar _require4 = __w_pdfjs_require__(2),\n WritableStream = _require4.WritableStream,\n WritableStreamDefaultControllerError = _require4.WritableStreamDefaultControllerError;\n\n// Methods on the transform stream controller object\n\nfunction TransformStreamCloseReadable(transformStream) {\n // console.log('TransformStreamCloseReadable()');\n\n if (transformStream._errored === true) {\n throw new TypeError('TransformStream is already errored');\n }\n\n if (transformStream._readableClosed === true) {\n throw new TypeError('Readable side is already closed');\n }\n\n TransformStreamCloseReadableInternal(transformStream);\n}\n\nfunction TransformStreamEnqueueToReadable(transformStream, chunk) {\n // console.log('TransformStreamEnqueueToReadable()');\n\n if (transformStream._errored === true) {\n throw new TypeError('TransformStream is already errored');\n }\n\n if (transformStream._readableClosed === true) {\n throw new TypeError('Readable side is already closed');\n }\n\n // We throttle transformer.transform invocation based on the backpressure of the ReadableStream, but we still\n // accept TransformStreamEnqueueToReadable() calls.\n\n var controller = transformStream._readableController;\n\n try {\n ReadableStreamDefaultControllerEnqueue(controller, chunk);\n } catch (e) {\n // This happens when readableStrategy.size() throws.\n // The ReadableStream has already errored itself.\n transformStream._readableClosed = true;\n TransformStreamErrorIfNeeded(transformStream, e);\n\n throw transformStream._storedError;\n }\n\n var desiredSize = ReadableStreamDefaultControllerGetDesiredSize(controller);\n var maybeBackpressure = desiredSize <= 0;\n\n if (maybeBackpressure === true && transformStream._backpressure === false) {\n // This allows pull() again. When desiredSize is 0, it's possible that a pull() will happen immediately (but\n // asynchronously) after this because of pending read()s and set _backpressure back to false.\n //\n // If pull() could be called from inside enqueue(), then this logic would be wrong. This cannot happen\n // because there is always a promise pending from start() or pull() when _backpressure is false.\n TransformStreamSetBackpressure(transformStream, true);\n }\n}\n\nfunction TransformStreamError(transformStream, e) {\n if (transformStream._errored === true) {\n throw new TypeError('TransformStream is already errored');\n }\n\n TransformStreamErrorInternal(transformStream, e);\n}\n\n// Abstract operations.\n\nfunction TransformStreamCloseReadableInternal(transformStream) {\n assert(transformStream._errored === false);\n assert(transformStream._readableClosed === false);\n\n try {\n ReadableStreamDefaultControllerClose(transformStream._readableController);\n } catch (e) {\n assert(false);\n }\n\n transformStream._readableClosed = true;\n}\n\nfunction TransformStreamErrorIfNeeded(transformStream, e) {\n if (transformStream._errored === false) {\n TransformStreamErrorInternal(transformStream, e);\n }\n}\n\nfunction TransformStreamErrorInternal(transformStream, e) {\n // console.log('TransformStreamErrorInternal()');\n\n assert(transformStream._errored === false);\n\n transformStream._errored = true;\n transformStream._storedError = e;\n\n if (transformStream._writableDone === false) {\n WritableStreamDefaultControllerError(transformStream._writableController, e);\n }\n if (transformStream._readableClosed === false) {\n ReadableStreamDefaultControllerError(transformStream._readableController, e);\n }\n}\n\n// Used for preventing the next write() call on TransformStreamSink until there\n// is no longer backpressure.\nfunction TransformStreamReadableReadyPromise(transformStream) {\n assert(transformStream._backpressureChangePromise !== undefined, '_backpressureChangePromise should have been initialized');\n\n if (transformStream._backpressure === false) {\n return Promise.resolve();\n }\n\n assert(transformStream._backpressure === true, '_backpressure should have been initialized');\n\n return transformStream._backpressureChangePromise;\n}\n\nfunction TransformStreamSetBackpressure(transformStream, backpressure) {\n // console.log(`TransformStreamSetBackpressure(${backpressure})`);\n\n // Passes also when called during construction.\n assert(transformStream._backpressure !== backpressure, 'TransformStreamSetBackpressure() should be called only when backpressure is changed');\n\n if (transformStream._backpressureChangePromise !== undefined) {\n // The fulfillment value is just for a sanity check.\n transformStream._backpressureChangePromise_resolve(backpressure);\n }\n\n transformStream._backpressureChangePromise = new Promise(function (resolve) {\n transformStream._backpressureChangePromise_resolve = resolve;\n });\n\n transformStream._backpressureChangePromise.then(function (resolution) {\n assert(resolution !== backpressure, '_backpressureChangePromise should be fulfilled only when backpressure is changed');\n });\n\n transformStream._backpressure = backpressure;\n}\n\nfunction TransformStreamDefaultTransform(chunk, transformStreamController) {\n var transformStream = transformStreamController._controlledTransformStream;\n TransformStreamEnqueueToReadable(transformStream, chunk);\n return Promise.resolve();\n}\n\nfunction TransformStreamTransform(transformStream, chunk) {\n // console.log('TransformStreamTransform()');\n\n assert(transformStream._errored === false);\n assert(transformStream._transforming === false);\n assert(transformStream._backpressure === false);\n\n transformStream._transforming = true;\n\n var transformer = transformStream._transformer;\n var controller = transformStream._transformStreamController;\n\n var transformPromise = PromiseInvokeOrPerformFallback(transformer, 'transform', [chunk, controller], TransformStreamDefaultTransform, [chunk, controller]);\n\n return transformPromise.then(function () {\n transformStream._transforming = false;\n\n return TransformStreamReadableReadyPromise(transformStream);\n }, function (e) {\n TransformStreamErrorIfNeeded(transformStream, e);\n return Promise.reject(e);\n });\n}\n\nfunction IsTransformStreamDefaultController(x) {\n if (!typeIsObject(x)) {\n return false;\n }\n\n if (!Object.prototype.hasOwnProperty.call(x, '_controlledTransformStream')) {\n return false;\n }\n\n return true;\n}\n\nfunction IsTransformStream(x) {\n if (!typeIsObject(x)) {\n return false;\n }\n\n if (!Object.prototype.hasOwnProperty.call(x, '_transformStreamController')) {\n return false;\n }\n\n return true;\n}\n\nvar TransformStreamSink = function () {\n function TransformStreamSink(transformStream, startPromise) {\n _classCallCheck(this, TransformStreamSink);\n\n this._transformStream = transformStream;\n this._startPromise = startPromise;\n }\n\n _createClass(TransformStreamSink, [{\n key: 'start',\n value: function start(c) {\n var transformStream = this._transformStream;\n\n transformStream._writableController = c;\n\n return this._startPromise.then(function () {\n return TransformStreamReadableReadyPromise(transformStream);\n });\n }\n }, {\n key: 'write',\n value: function write(chunk) {\n // console.log('TransformStreamSink.write()');\n\n var transformStream = this._transformStream;\n\n return TransformStreamTransform(transformStream, chunk);\n }\n }, {\n key: 'abort',\n value: function abort() {\n var transformStream = this._transformStream;\n transformStream._writableDone = true;\n TransformStreamErrorInternal(transformStream, new TypeError('Writable side aborted'));\n }\n }, {\n key: 'close',\n value: function close() {\n // console.log('TransformStreamSink.close()');\n\n var transformStream = this._transformStream;\n\n assert(transformStream._transforming === false);\n\n transformStream._writableDone = true;\n\n var flushPromise = PromiseInvokeOrNoop(transformStream._transformer, 'flush', [transformStream._transformStreamController]);\n // Return a promise that is fulfilled with undefined on success.\n return flushPromise.then(function () {\n if (transformStream._errored === true) {\n return Promise.reject(transformStream._storedError);\n }\n if (transformStream._readableClosed === false) {\n TransformStreamCloseReadableInternal(transformStream);\n }\n return Promise.resolve();\n }).catch(function (r) {\n TransformStreamErrorIfNeeded(transformStream, r);\n return Promise.reject(transformStream._storedError);\n });\n }\n }]);\n\n return TransformStreamSink;\n}();\n\nvar TransformStreamSource = function () {\n function TransformStreamSource(transformStream, startPromise) {\n _classCallCheck(this, TransformStreamSource);\n\n this._transformStream = transformStream;\n this._startPromise = startPromise;\n }\n\n _createClass(TransformStreamSource, [{\n key: 'start',\n value: function start(c) {\n var transformStream = this._transformStream;\n\n transformStream._readableController = c;\n\n return this._startPromise.then(function () {\n // Prevent the first pull() call until there is backpressure.\n\n assert(transformStream._backpressureChangePromise !== undefined, '_backpressureChangePromise should have been initialized');\n\n if (transformStream._backpressure === true) {\n return Promise.resolve();\n }\n\n assert(transformStream._backpressure === false, '_backpressure should have been initialized');\n\n return transformStream._backpressureChangePromise;\n });\n }\n }, {\n key: 'pull',\n value: function pull() {\n // console.log('TransformStreamSource.pull()');\n\n var transformStream = this._transformStream;\n\n // Invariant. Enforced by the promises returned by start() and pull().\n assert(transformStream._backpressure === true, 'pull() should be never called while _backpressure is false');\n\n assert(transformStream._backpressureChangePromise !== undefined, '_backpressureChangePromise should have been initialized');\n\n TransformStreamSetBackpressure(transformStream, false);\n\n // Prevent the next pull() call until there is backpressure.\n return transformStream._backpressureChangePromise;\n }\n }, {\n key: 'cancel',\n value: function cancel() {\n var transformStream = this._transformStream;\n transformStream._readableClosed = true;\n TransformStreamErrorInternal(transformStream, new TypeError('Readable side canceled'));\n }\n }]);\n\n return TransformStreamSource;\n}();\n\nvar TransformStreamDefaultController = function () {\n function TransformStreamDefaultController(transformStream) {\n _classCallCheck(this, TransformStreamDefaultController);\n\n if (IsTransformStream(transformStream) === false) {\n throw new TypeError('TransformStreamDefaultController can only be ' + 'constructed with a TransformStream instance');\n }\n\n if (transformStream._transformStreamController !== undefined) {\n throw new TypeError('TransformStreamDefaultController instances can ' + 'only be created by the TransformStream constructor');\n }\n\n this._controlledTransformStream = transformStream;\n }\n\n _createClass(TransformStreamDefaultController, [{\n key: 'enqueue',\n value: function enqueue(chunk) {\n if (IsTransformStreamDefaultController(this) === false) {\n throw defaultControllerBrandCheckException('enqueue');\n }\n\n TransformStreamEnqueueToReadable(this._controlledTransformStream, chunk);\n }\n }, {\n key: 'close',\n value: function close() {\n if (IsTransformStreamDefaultController(this) === false) {\n throw defaultControllerBrandCheckException('close');\n }\n\n TransformStreamCloseReadable(this._controlledTransformStream);\n }\n }, {\n key: 'error',\n value: function error(reason) {\n if (IsTransformStreamDefaultController(this) === false) {\n throw defaultControllerBrandCheckException('error');\n }\n\n TransformStreamError(this._controlledTransformStream, reason);\n }\n }, {\n key: 'desiredSize',\n get: function get() {\n if (IsTransformStreamDefaultController(this) === false) {\n throw defaultControllerBrandCheckException('desiredSize');\n }\n\n var transformStream = this._controlledTransformStream;\n var readableController = transformStream._readableController;\n\n return ReadableStreamDefaultControllerGetDesiredSize(readableController);\n }\n }]);\n\n return TransformStreamDefaultController;\n}();\n\nvar TransformStream = function () {\n function TransformStream() {\n var transformer = arguments.length > 0 && arguments[0] !== undefined ? arguments[0] : {};\n\n _classCallCheck(this, TransformStream);\n\n this._transformer = transformer;\n var readableStrategy = transformer.readableStrategy,\n writableStrategy = transformer.writableStrategy;\n\n\n this._transforming = false;\n this._errored = false;\n this._storedError = undefined;\n\n this._writableController = undefined;\n this._readableController = undefined;\n this._transformStreamController = undefined;\n\n this._writableDone = false;\n this._readableClosed = false;\n\n this._backpressure = undefined;\n this._backpressureChangePromise = undefined;\n this._backpressureChangePromise_resolve = undefined;\n\n this._transformStreamController = new TransformStreamDefaultController(this);\n\n var startPromise_resolve = void 0;\n var startPromise = new Promise(function (resolve) {\n startPromise_resolve = resolve;\n });\n\n var source = new TransformStreamSource(this, startPromise);\n\n this._readable = new ReadableStream(source, readableStrategy);\n\n var sink = new TransformStreamSink(this, startPromise);\n\n this._writable = new WritableStream(sink, writableStrategy);\n\n assert(this._writableController !== undefined);\n assert(this._readableController !== undefined);\n\n var desiredSize = ReadableStreamDefaultControllerGetDesiredSize(this._readableController);\n // Set _backpressure based on desiredSize. As there is no read() at this point, we can just interpret\n // desiredSize being non-positive as backpressure.\n TransformStreamSetBackpressure(this, desiredSize <= 0);\n\n var transformStream = this;\n var startResult = InvokeOrNoop(transformer, 'start', [transformStream._transformStreamController]);\n startPromise_resolve(startResult);\n startPromise.catch(function (e) {\n // The underlyingSink and underlyingSource will error the readable and writable ends on their own.\n if (transformStream._errored === false) {\n transformStream._errored = true;\n transformStream._storedError = e;\n }\n });\n }\n\n _createClass(TransformStream, [{\n key: 'readable',\n get: function get() {\n if (IsTransformStream(this) === false) {\n throw streamBrandCheckException('readable');\n }\n\n return this._readable;\n }\n }, {\n key: 'writable',\n get: function get() {\n if (IsTransformStream(this) === false) {\n throw streamBrandCheckException('writable');\n }\n\n return this._writable;\n }\n }]);\n\n return TransformStream;\n}();\n\nmodule.exports = { TransformStream: TransformStream };\n\n// Helper functions for the TransformStreamDefaultController.\n\nfunction defaultControllerBrandCheckException(name) {\n return new TypeError('TransformStreamDefaultController.prototype.' + name + ' can only be used on a TransformStreamDefaultController');\n}\n\n// Helper functions for the TransformStream.\n\nfunction streamBrandCheckException(name) {\n return new TypeError('TransformStream.prototype.' + name + ' can only be used on a TransformStream');\n}\n\n/***/ }),\n/* 7 */\n/***/ (function(module, exports, __w_pdfjs_require__) {\n\nmodule.exports = __w_pdfjs_require__(5);\n\n\n/***/ })\n/******/ ])));\n\n\n// WEBPACK FOOTER //\n// external/streams/streams-lib.js","/* Copyright 2012 Mozilla Foundation\n *\n * Licensed under the Apache License, Version 2.0 (the \"License\");\n * you may not use this file except in compliance with the License.\n * You may obtain a copy of the License at\n *\n * http://www.apache.org/licenses/LICENSE-2.0\n *\n * Unless required by applicable law or agreed to in writing, software\n * distributed under the License is distributed on an \"AS IS\" BASIS,\n * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.\n * See the License for the specific language governing permissions and\n * limitations under the License.\n */\n\nimport {\n FONT_IDENTITY_MATRIX, IDENTITY_MATRIX, ImageKind, info, isArray,\n isLittleEndian, isNum, OPS, shadow, TextRenderingMode, Util, warn\n} from '../shared/util';\nimport { getShadingPatternFromIR, TilingPattern } from './pattern_helper';\nimport { WebGLUtils } from './webgl';\n\n//