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Merge pull request #16722 from calixteman/dont_set_filter

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Don't uselessly change the filter when drawing (bug 1508765)
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calixteman 2023-07-21 14:37:54 +02:00 committed by GitHub
commit d74b68cd09
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1 changed files with 8 additions and 2 deletions
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src/display/canvas.js
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@ -790,7 +790,10 @@ function resetCtxToDefault(ctx) {
(typeof PDFJSDev !== "undefined" && PDFJSDev.test("MOZCENTRAL")) || (typeof PDFJSDev !== "undefined" && PDFJSDev.test("MOZCENTRAL")) ||
!isNodeJS !isNodeJS
) { ) {
ctx.filter = "none"; const { filter } = ctx;
if (filter !== "none" && filter !== "") {
ctx.filter = "none";
}
} }
} }
@ -2961,7 +2964,10 @@ class CanvasGraphics {
// It must be applied to the image before rescaling else some artifacts // It must be applied to the image before rescaling else some artifacts
// could appear. // could appear.
// The final restore will reset it to its value. // The final restore will reset it to its value.
ctx.filter = "none"; const { filter } = ctx;
if (filter !== "none" && filter !== "") {
ctx.filter = "none";
}
} }
// scale the image to the unit square // scale the image to the unit square