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Merge pull request #16166 from Snuffleupagus/pr-16151-followup

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Simplify the `applyTransferMapsToCanvas` method (PR 16151 follow-up)
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Tim van der Meij 2023-03-18 14:06:42 +01:00 committed by GitHub
commit 9db4509664
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1 changed files with 4 additions and 12 deletions
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10
src/display/canvas.js
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@ -2964,19 +2964,11 @@ class CanvasGraphics {
} }
applyTransferMapsToCanvas(ctx) { applyTransferMapsToCanvas(ctx) {
if (typeof PDFJSDev !== "undefined" && PDFJSDev.test("MOZCENTRAL")) {
if (this.current.transferMaps !== "none") { if (this.current.transferMaps !== "none") {
warn("Ignoring transferMaps - `OffscreenCanvas` support is disabled.");
}
return ctx.canvas;
}
if (this.current.transferMaps === "none") {
return ctx.canvas;
}
ctx.filter = this.current.transferMaps; ctx.filter = this.current.transferMaps;
ctx.drawImage(ctx.canvas, 0, 0); ctx.drawImage(ctx.canvas, 0, 0);
ctx.filter = "none"; ctx.filter = "none";
}
return ctx.canvas; return ctx.canvas;
} }