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水印适配 pdf大小和分辨率大小

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zhaokaiyao@91isoft.com
2021-12-06 16:50:53 +08:00
parent af41c9909b
commit 5bd211fc02
1 changed files with 38 additions and 16 deletions
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public/static/pdf/web/viewer.js
+38 -16
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@@ -6647,10 +6647,10 @@ var PDFPageView = function () {
//cover.innerText = userInfo.uName + "," + userInfo.workNum; //cover.innerText = userInfo.uName + "," + userInfo.workNum;
var defaultSettings = { var defaultSettings = {
watermark_txt: msg, watermark_txt: msg,
watermark_x: 50,//水印起始位置x轴坐标 watermark_x: 100,//水印起始位置x轴坐标
watermark_y: -100,//水印起始位置Y轴坐标 watermark_y: 0,//水印起始位置Y轴坐标
watermark_rows: 13,//水印行数 watermark_rows: 0,//水印行数
watermark_cols: 7,//水印列数 watermark_cols: 0,//水印列数
watermark_x_space: 18,//水印x轴间隔 watermark_x_space: 18,//水印x轴间隔
watermark_y_space: 20,//水印y轴间隔 watermark_y_space: 20,//水印y轴间隔
watermark_color: 'rgba(192, 192, 192)',//水印字体颜色 watermark_color: 'rgba(192, 192, 192)',//水印字体颜色
@@ -6665,10 +6665,10 @@ var PDFPageView = function () {
if (screen.width+"*"+screen.height === '800*600' ){ if (screen.width+"*"+screen.height === '800*600' ){
defaultSettings = { defaultSettings = {
watermark_txt: msg, watermark_txt: msg,
watermark_x: 80,//水印起始位置x轴坐标 watermark_x: 0,//水印起始位置x轴坐标
watermark_y: -100,//水印起始位置Y轴坐标 watermark_y: 0,//水印起始位置Y轴坐标
watermark_rows: 11,//水印行数 watermark_rows: 0,//水印行数
watermark_cols: 6,//水印列数 watermark_cols: 0,//水印列数
watermark_x_space: 2,//水印x轴间隔 watermark_x_space: 2,//水印x轴间隔
watermark_y_space: 27,//水印y轴间隔 watermark_y_space: 27,//水印y轴间隔
watermark_color: 'rgba(192, 192, 192)',//水印字体颜色 watermark_color: 'rgba(192, 192, 192)',//水印字体颜色
@@ -6686,11 +6686,15 @@ var PDFPageView = function () {
var oTemp = document.createDocumentFragment(); var oTemp = document.createDocumentFragment();
//获取页面最大宽度 //获取页面最大宽度
var getPage = Math.max(document.body.scrollWidth, document.body.clientWidth); // var getPage = Math.max(document.body.scrollWidth, document.body.clientWidth);
var page_width = getPage - (0.35 * getPage); // var getPage =document.body.scrollWidth;
var page_width = parseInt(textLayerDiv.style.width) //获取pdf页面宽度
// var page_width = getPage - (0.35 * getPage);
//var page_width = canvasWrapper.style.width; //var page_width = canvasWrapper.style.width;
//获取页面最大长度 //获取页面最大长度
var page_height = Math.max(document.body.scrollHeight, document.body.clientHeight+350); // var page_height = Math.max(document.body.scrollHeight, document.body.clientHeight+350);
var page_height = parseInt(textLayerDiv.style.height) //获取pdf页面长度
var pdf_page =document.getElementById("viewer"); var pdf_page =document.getElementById("viewer");
//2021/12/5 分辨率不同的情况会出现问题 //2021/12/5 分辨率不同的情况会出现问题
//如果将水印列数设置为0，或水印列数设置过大，超过页面最大宽度，则重新计算水印列数和水印x轴间隔 //如果将水印列数设置为0，或水印列数设置过大，超过页面最大宽度，则重新计算水印列数和水印x轴间隔
@@ -6698,18 +6702,36 @@ var PDFPageView = function () {
// defaultSettings.watermark_cols = parseInt((page_width - defaultSettings.watermark_x + defaultSettings.watermark_x_space) / (defaultSettings.watermark_width + defaultSettings.watermark_x_space))-1; // defaultSettings.watermark_cols = parseInt((page_width - defaultSettings.watermark_x + defaultSettings.watermark_x_space) / (defaultSettings.watermark_width + defaultSettings.watermark_x_space))-1;
// console.log("------------------------------------") // console.log("------------------------------------")
// console.log(defaultSettings.watermark_cols) // console.log(defaultSettings.watermark_cols)
// defaultSettings.watermark_x_space = parseInt((page_width - defaultSettings.watermark_x - defaultSettings.watermark_width * defaultSettings.watermark_cols) / (defaultSettings.watermark_cols - 1)); // // defaultSettings.watermark_x_space = parseInt((page_width - defaultSettings.watermark_x - defaultSettings.watermark_width * defaultSettings.watermark_cols) / (defaultSettings.watermark_cols - 1));
// console.log(defaultSettings.watermark_x_space) // // console.log(defaultSettings.watermark_x_space)
// } // }
// //如果将水印行数设置为0，或水印行数设置过大，超过页面最大长度，则重新计算水印行数和水印y轴间隔 // //如果将水印行数设置为0，或水印行数设置过大，超过页面最大长度，则重新计算水印行数和水印y轴间隔
// if (defaultSettings.watermark_rows == 0 || (parseInt(defaultSettings.watermark_y + defaultSettings.watermark_height * defaultSettings.watermark_rows + defaultSettings.watermark_y_space * (defaultSettings.watermark_rows - 1)) > page_height)) { // if (defaultSettings.watermark_rows == 0 || (parseInt(defaultSettings.watermark_y + defaultSettings.watermark_height * defaultSettings.watermark_rows + defaultSettings.watermark_y_space * (defaultSettings.watermark_rows - 1)) > page_height)) {
// defaultSettings.watermark_rows = parseInt((defaultSettings.watermark_y_space + page_height - defaultSettings.watermark_y) / (defaultSettings.watermark_height + defaultSettings.watermark_y_space))-3; // defaultSettings.watermark_rows = parseInt((defaultSettings.watermark_y_space + page_height - defaultSettings.watermark_y) / (defaultSettings.watermark_height + defaultSettings.watermark_y_space))-3;
// defaultSettings.watermark_y_space = parseInt(((page_height - defaultSettings.watermark_y) - defaultSettings.watermark_height * defaultSettings.watermark_rows) / (defaultSettings.watermark_rows - 1)); // // defaultSettings.watermark_y_space = parseInt(((page_height - defaultSettings.watermark_y) - defaultSettings.watermark_height * defaultSettings.watermark_rows) / (defaultSettings.watermark_rows - 1));
// console.log("------------------------------------") // console.log("------------------------------------")
// console.log(defaultSettings.watermark_rows+10) // console.log(defaultSettings.watermark_rows)
// console.log(defaultSettings.watermark_y_space) // // console.log(defaultSettings.watermark_y_space)
// //
// } // }
//如果将水印列数设置为0，或水印列数设置过大，超过页面最大宽度，则重新计算水印列数和水印x轴间隔
if (defaultSettings.watermark_cols == 0 || (parseInt(defaultSettings.watermark_x + defaultSettings.watermark_width * defaultSettings.watermark_cols + defaultSettings.watermark_x_space * (defaultSettings.watermark_cols - 1)) > page_width)) {
defaultSettings.watermark_cols = parseInt((page_width - defaultSettings.watermark_x + defaultSettings.watermark_x_space) / (defaultSettings.watermark_width + defaultSettings.watermark_x_space));
defaultSettings.watermark_x_space = parseInt((page_width - defaultSettings.watermark_x - defaultSettings.watermark_width * defaultSettings.watermark_cols) / (defaultSettings.watermark_cols - 1));
console.log("---------------watermark_cols---------------------")
console.log(defaultSettings.watermark_cols)
}
//如果将水印行数设置为0，或水印行数设置过大，超过页面最大长度，则重新计算水印行数和水印y轴间隔
if (defaultSettings.watermark_rows == 0 || (parseInt(defaultSettings.watermark_y + defaultSettings.watermark_height * defaultSettings.watermark_rows + defaultSettings.watermark_y_space * (defaultSettings.watermark_rows - 1)) > page_height)) {
defaultSettings.watermark_rows = parseInt((defaultSettings.watermark_y_space + page_height - defaultSettings.watermark_y) / (defaultSettings.watermark_height + defaultSettings.watermark_y_space));
defaultSettings.watermark_y_space = parseInt(((page_height - defaultSettings.watermark_y) - defaultSettings.watermark_height * defaultSettings.watermark_rows) / (defaultSettings.watermark_rows - 1));
console.log("--------------watermark_rows----------------------")
console.log(defaultSettings.watermark_rows)
}
var x; var x;
var y; var y;
for (var i = 0; i < defaultSettings.watermark_rows; i++) { for (var i = 0; i < defaultSettings.watermark_rows; i++) {