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Fix blurry pdf player rendering for all viewport sizes #6182

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Fix blurry pdf player rendering for all viewport sizes #6182

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8046142
fix: make determination of pdf rendering scale dpi aware
dulli Oct 9, 2024
d2199d9
style: fix missing space to adhere to ESlint guidelines
dulli Oct 9, 2024
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16 changes: 5 additions & 11 deletions src/plugins/pdfPlayer/plugin.js
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Original file line number Diff line number Diff line change
Expand Up @@ -290,22 +290,16 @@ export class PdfPlayer {
}

renderPage(canvas, number) {
const devicePixelRatio = window.devicePixelRatio || 1;
this.book.getPage(number).then(page => {
const width = dom.getWindowSize().innerWidth;
const height = dom.getWindowSize().innerHeight;
const scale = Math.ceil(window.devicePixelRatio || 1);
const original = page.getViewport({ scale: 1 });
const scale = Math.max((window.screen.height / original.height), (window.screen.width / original.width)) * devicePixelRatio;
const viewport = page.getViewport({ scale });
const context = canvas.getContext('2d');

canvas.width = viewport.width;
canvas.height = viewport.height;

if (width < height) {
canvas.style.width = '100%';
canvas.style.height = 'auto';
} else {
canvas.style.height = '100%';
canvas.style.width = 'auto';
}
const context = canvas.getContext('2d');

const renderContext = {
canvasContext: context,
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