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Merge pull request #14096 from Snuffleupagus/spreadMode-preRender

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Pre-render *one* additional page when spreadModes are enabled
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Tim van der Meij 2021-10-02 12:54:19 +02:00 • committed by GitHub
commit dedff3c982
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2 changed files with 23 additions and 16 deletions
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8
web/base_viewer.js
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@ -1250,10 +1250,16 @@ class BaseViewer {
const scrollAhead = this._isScrollModeHorizontal
? this.scroll.right
: this.scroll.down;
const preRenderExtra =
this._scrollMode === ScrollMode.VERTICAL &&
this._spreadMode !== SpreadMode.NONE &&
!this.isInPresentationMode;
const pageView = this.renderingQueue.getHighestPriority(
visiblePages,
this._pages,
scrollAhead
scrollAhead,
preRenderExtra
);
if (pageView) {
this._ensurePdfPageLoaded(pageView).then(() => {