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fcingolani/index.html

Created August 9, 2012 02:16
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How to render a full PDF using Mozilla's pdf.js
Raw
index.html
<html>
<body>
<!-- really dirty! this is just a test drive ;) -->
<script type="text/javascript" src="https://raw.github.com/mozilla/pdf.js/gh-pages/build/pdf.js"></script>
<script type="text/javascript">
function renderPDF(url, canvasContainer, options) {
var options = options || { scale: 1 };
function renderPage(page) {
var viewport = page.getViewport(options.scale);
var canvas = document.createElement('canvas');
var ctx = canvas.getContext('2d');
var renderContext = {
canvasContext: ctx,
viewport: viewport
};
canvas.height = viewport.height;
canvas.width = viewport.width;
canvasContainer.appendChild(canvas);
page.render(renderContext);
}
function renderPages(pdfDoc) {
for(var num = 1; num <= pdfDoc.numPages; num++)
pdfDoc.getPage(num).then(renderPage);
}
PDFJS.disableWorker = true;
PDFJS.getDocument(url).then(renderPages);
}
</script>
<div id="holder"></div>
<script type="text/javascript">
renderPDF('sample.pdf', document.getElementById('holder'));
</script>
</body>
</html>
@beingshaif
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thanks @levenokk

@Ajitpatil92002
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Thank you @levenokk

@huunamtn
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huunamtn commented Jul 22, 2022 •
edited

how to add zoom functionality in above mention code so that after zoom it stay on the same page?

add html zoom
<div id="zoom_controls">
<button id="zoom_in">+</button>
<button id="zoom_out">-</button>
</div>

<script> document.getElementById('zoom_in').addEventListener('click', (e) => { if(options.scale < 4) { options.scale += 0.5; document.querySelector("#holder").style.zoom = options.scale; } }); document.getElementById('zoom_out').addEventListener('click', (e) => { if(options.scale > 1) { options.scale -= 0.5; document.querySelector("#holder").style.zoom = options.scale; } }); </script>

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