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Merge pull request #19717 from calixteman/issue16287

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Don't overwrite the global alpha when switching to smask mode (bug 1764587)
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calixteman 2025-03-25 10:08:36 +01:00 • committed by GitHub
commit a8c77633a1
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2 changed files with 4 additions and 11 deletions
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12
src/display/canvas.js
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@ -1323,8 +1323,7 @@ class CanvasGraphics {
this.current.strokeAlpha = value;
break;
case "ca":
this.current.fillAlpha = value;
this.ctx.globalAlpha = value;
this.ctx.globalAlpha = this.current.fillAlpha = value;
break;
case "BM":
this.ctx.globalCompositeOperation = value;
@ -1378,17 +1377,12 @@ class CanvasGraphics {
drawnHeight
);
this.suspendedCtx = this.ctx;
this.ctx = scratchCanvas.context;
const ctx = this.ctx;
const ctx = (this.ctx = scratchCanvas.context);
ctx.setTransform(this.suspendedCtx.getTransform());
copyCtxState(this.suspendedCtx, ctx);
mirrorContextOperations(ctx, this.suspendedCtx);
this.setGState([
["BM", "source-over"],
["ca", 1],
["CA", 1],
]);
this.setGState([["BM", "source-over"]]);
}
endSMaskMode() {

3
test/test_manifest.json
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@ -5821,8 +5821,7 @@
"file": "pdfs/issue16287.pdf",
"md5": "cd3e0859140465ae8b8bde0c95cb4929",
"rounds": 1,
"type": "eq",
"about": "Please note that this file currently renders incorrectly."
"type": "eq"
},
{
"id": "issue2006",