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Merge pull request #12922 from Snuffleupagus/getTextContent-globalImageCache

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Ignore globally cached images in `PartialEvaluator.getTextContent` (PR 11930 follow-up)
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Tim van der Meij 2021-01-28 23:44:10 +01:00 committed by GitHub
commit e4e92d10e8
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2 changed files with 12 additions and 2 deletions
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9
src/core/evaluator.js
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@ -2515,6 +2515,15 @@ class PartialEvaluator {
return; return;
} }
const globalImage = self.globalImageCache.getData(
xobj,
self.pageIndex
);
if (globalImage) {
resolveXObject();
return;
}
xobj = xref.fetch(xobj); xobj = xref.fetch(xobj);
} }

5
src/core/image_utils.js
View File

@ -247,13 +247,14 @@ class GlobalImageCache {
if (pageIndexSet.size < GlobalImageCache.NUM_PAGES_THRESHOLD) { if (pageIndexSet.size < GlobalImageCache.NUM_PAGES_THRESHOLD) {
return null; return null;
} }
if (!this._imageCache.has(ref)) { const imageData = this._imageCache.get(ref);
if (!imageData) {
return null; return null;
} }
// Ensure that we keep track of all pages containing the image reference. // Ensure that we keep track of all pages containing the image reference.
pageIndexSet.add(pageIndex); pageIndexSet.add(pageIndex);
return this._imageCache.get(ref); return imageData;
} }
setData(ref, data) { setData(ref, data) {