Marmelator/pdf.js.mirror
1
0
Fork 0
mirror of https://github.com/mozilla/pdf.js.git synced 2026-05-31 07:11:00 +02:00
Code Issues Packages Projects Releases Wiki Activity

Use FeatureTest.isCanvasFilterSupported in _bakeSMaskCanvas

Browse Source
This commit is contained in:
Calixte Denizet 2026-05-12 19:59:44 +02:00
parent 0c66063cd4
commit 1dac67ff54
1 changed files with 4 additions and 5 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

9
src/display/canvas.js
View File

@ -1437,16 +1437,15 @@ class CanvasGraphics {
}
const preparedEntry = this.canvasFactory.create(w, h);
const pCtx = preparedEntry.context;
// Pre-assign read: undefined means no canvas filter API (assigning
// would just set a JS property and post-assign read would lie).
// Post-assign "none"/"" means the URL was rejected (Firefox
// normalizes accepted url(#id) to an absolute URL).
const filterSupported = pCtx.filter !== undefined;
pCtx.filter = filterSpec.url;
const filterApplied =
filterSupported && pCtx.filter !== "none" && pCtx.filter !== "";
FeatureTest.isCanvasFilterSupported &&
pCtx.filter !== "none" &&
pCtx.filter !== "";
pCtx.drawImage(srcEntry.canvas, 0, 0);
if (filterSupported) {
if (FeatureTest.isCanvasFilterSupported) {
pCtx.filter = "none";
}
if (!filterApplied) {