52 lines
1.5 KiB
PHP
52 lines
1.5 KiB
PHP
@if(!defined('LOAD_PDFJS'))
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@push('scripts')
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<script type="text/javascript" src="//mozilla.github.io/pdf.js/build/pdf.js"></script>
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<script type="text/javascript">
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var pdfjsLib = window['pdfjs-dist/build/pdf'];
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var canvas = null;
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// The workerSrc property shall be specified.
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pdfjsLib.GlobalWorkerOptions.workerSrc = '//mozilla.github.io/pdf.js/build/pdf.worker.js';
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window.initPDFViewer = function(url, container) {
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canvas = container;
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var loadingTask = pdfjsLib.getDocument(url);
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loadingTask.promise.then(function(pdf) {
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console.log('PDF loaded');
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// Fetch the first page
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var pageNumber = 1;
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pdf.getPage(pageNumber).then(function(page) {
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console.log('Page loaded');
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var scale = 0.25;
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var viewport = page.getViewport({scale: scale});
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console.log(canvas);
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// Prepare canvas using PDF page dimensions
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// var canvas = document.getElementById('the-canvas');
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var context = canvas.getContext('2d');
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canvas.height = viewport.height;
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canvas.width = viewport.width;
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// Render PDF page into canvas context
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var renderContext = {
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canvasContext: context,
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viewport: viewport
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};
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var renderTask = page.render(renderContext);
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renderTask.promise.then(function () {
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console.log('Page rendered');
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});
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});
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}, function (reason) {
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// PDF loading error
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console.error(reason);
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});
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};
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</script>
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@endpush
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@php(define('LOAD_PDFJS', true))
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@endif |