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Merge pull request #15001 from marco-c/canvas_presentational

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Set "presentation" role for page canvases (issue 14437)
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Jonas Jenwald 2022-06-07 20:03:38 +02:00 committed by GitHub
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web/pdf_page_view.js
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@ -837,6 +837,7 @@ class PDFPageView {
const viewport = this.viewport; const viewport = this.viewport;
const canvas = document.createElement("canvas"); const canvas = document.createElement("canvas");
canvas.setAttribute("role", "presentation");
// Keep the canvas hidden until the first draw callback, or until drawing // Keep the canvas hidden until the first draw callback, or until drawing
// is complete when `!this.renderingQueue`, to prevent black flickering. // is complete when `!this.renderingQueue`, to prevent black flickering.