Beanz/pdf.js
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Merge pull request #20256 from nicolo-ribaudo/bboxes-when-needed

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Only record bboxes when needed
This commit is contained in:
Tim van der Meij 2025-09-14 16:22:46 +02:00 committed by GitHub
commit e78c7d0cc2
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GPG Key ID: B5690EEEBB952194
2 changed files with 14 additions and 7 deletions
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9
web/pdf_page_detail_view.js
View File

@ -187,11 +187,15 @@ class PDFPageDetailView extends BasePDFPageView {
}
_getRenderingContext(canvas, transform) {
const baseContext = this.pageView._getRenderingContext(canvas, transform);
const baseContext = this.pageView._getRenderingContext(
canvas,
transform,
false
);
const recordedBBoxes = this.pdfPage.recordedBBoxes;
if (!recordedBBoxes || !this.enableOptimizedPartialRendering) {
return { ...baseContext, recordOperations: false };
return baseContext;
}
const {
@ -211,7 +215,6 @@ class PDFPageDetailView extends BasePDFPageView {
return {
...baseContext,
recordOperations: false,
operationsFilter(index) {
if (recordedBBoxes.isEmpty(index)) {
return false;

12
web/pdf_page_view.js
View File

@ -929,7 +929,7 @@ class PDFPageView extends BasePDFPageView {
return canvasWrapper;
}
_getRenderingContext(canvas, transform) {
_getRenderingContext(canvas, transform, recordOperations) {
return {
canvas,
transform,
@ -939,8 +939,7 @@ class PDFPageView extends BasePDFPageView {
annotationCanvasMap: this._annotationCanvasMap,
pageColors: this.pageColors,
isEditing: this.#isEditing,
recordOperations:
this.enableOptimizedPartialRendering && !this.recordedBBoxes,
recordOperations,
};
}
@ -1058,12 +1057,17 @@ class PDFPageView extends BasePDFPageView {
this.#scaleRoundY = sfy[1];
}
const recordBBoxes =
this.enableOptimizedPartialRendering &&
this.#hasRestrictedScaling &&
!this.recordedBBoxes;
// Rendering area
const transform = outputScale.scaled
? [outputScale.sx, 0, 0, outputScale.sy, 0, 0]
: null;
const resultPromise = this._drawCanvas(
this._getRenderingContext(canvas, transform),
this._getRenderingContext(canvas, transform, recordBBoxes),
() => {
prevCanvas?.remove();
this._resetCanvas();