水印透明度在beginText方法后才能生效

2021-12-15 15:16:55 +08:00
parent e35990d25f
commit 2762526260
1 changed files with 6 additions and 5 deletions
@@ -46,16 +46,17 @@ public class WaterMarkUtil {
                // 获得PDF最顶层
                under = stamper.getOverContent(i);
                under.saveState();
-                // set Transparency
-                PdfGState gs = new PdfGState();
-                // 设置透明度为0.2
-                gs.setFillOpacity(0.25f);
-                under.setGState(gs);
+
                under.restoreState();
                under.beginText();
                under.setFontAndSize(base, 30);
                under.setTextMatrix(30, 30);
                under.setColorFill(BaseColor.LIGHT_GRAY);
+                // 设置透明度为0.2
+                // set Transparency
+                PdfGState gs = new PdfGState();
+                gs.setFillOpacity(0.2f);
+                under.setGState(gs);
                for (int y = 0; y < 50; y++) {
                    for (int x = 0; x < 50; x++) {
                        // 水印文字成45度角倾斜  x位置 y位置 角度