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Merge pull request #19756 from Snuffleupagus/canvas-unconditional-ctx-filter

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Use `ctx.filter` unconditionally in the `src/display/canvas.js` file
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Jonas Jenwald 2025-04-05 18:45:19 +02:00 committed by GitHub
commit a70f42339e
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1 changed files with 10 additions and 21 deletions
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31
src/display/canvas.js
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@ -20,7 +20,6 @@ import {
IDENTITY_MATRIX, IDENTITY_MATRIX,
ImageKind, ImageKind,
info, info,
isNodeJS,
OPS, OPS,
shadow, shadow,
TextRenderingMode, TextRenderingMode,
@ -589,14 +588,9 @@ function resetCtxToDefault(ctx) {
ctx.setLineDash([]); ctx.setLineDash([]);
ctx.lineDashOffset = 0; ctx.lineDashOffset = 0;
} }
if ( const { filter } = ctx;
(typeof PDFJSDev !== "undefined" && PDFJSDev.test("MOZCENTRAL")) || if (filter !== "none" && filter !== "") {
!isNodeJS ctx.filter = "none";
) {
const { filter } = ctx;
if (filter !== "none" && filter !== "") {
ctx.filter = "none";
}
} }
} }
@ -2734,18 +2728,13 @@ class CanvasGraphics {
this.save(); this.save();
if ( // The filter, if any, will be applied in applyTransferMapsToBitmap.
(typeof PDFJSDev !== "undefined" && PDFJSDev.test("MOZCENTRAL")) || // It must be applied to the image before rescaling else some artifacts
!isNodeJS // could appear.
) { // The final restore will reset it to its value.
// The filter, if any, will be applied in applyTransferMapsToBitmap. const { filter } = ctx;
// It must be applied to the image before rescaling else some artifacts if (filter !== "none" && filter !== "") {
// could appear. ctx.filter = "none";
// The final restore will reset it to its value.
const { filter } = ctx;
if (filter !== "none" && filter !== "") {
ctx.filter = "none";
}
} }
// scale the image to the unit square // scale the image to the unit square