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Simplify the applyTransferMapsToCanvas method (PR 16151 follow-up)

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During review of PR 16151 this method was simplified, however I overlooked the fact that we now can (and really should) improve this by removing duplication.
This commit is contained in:
Jonas Jenwald 2023-03-17 12:58:35 +01:00
parent 85166c60fd
commit 2fea9ee21b
1 changed files with 4 additions and 12 deletions
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16
src/display/canvas.js
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@ -2964,19 +2964,11 @@ class CanvasGraphics {
}
applyTransferMapsToCanvas(ctx) {
if (typeof PDFJSDev !== "undefined" && PDFJSDev.test("MOZCENTRAL")) {
if (this.current.transferMaps !== "none") {
warn("Ignoring transferMaps - `OffscreenCanvas` support is disabled.");
}
return ctx.canvas;
if (this.current.transferMaps !== "none") {
ctx.filter = this.current.transferMaps;
ctx.drawImage(ctx.canvas, 0, 0);
ctx.filter = "none";
}
if (this.current.transferMaps === "none") {
return ctx.canvas;
}
ctx.filter = this.current.transferMaps;
ctx.drawImage(ctx.canvas, 0, 0);
ctx.filter = "none";
return ctx.canvas;
}