annotate mupdf-source/platform/wasm/examples/super-simple-viewer/index.html @ 2:b50eed0cc0ef upstream

ADD: MuPDF v1.26.7: the MuPDF source as downloaded by a default build of PyMuPDF 1.26.4. The directory name has changed: no version number in the expanded directory now.
author Franz Glasner <fzglas.hg@dom66.de>
date Mon, 15 Sep 2025 11:43:07 +0200
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1 <!DOCTYPE html>
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2 <title>MuPDF Simplest Demo</title>
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3 <meta charset="utf-8">
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4 <meta name="viewport" content="width=device-width, initial-scale=1.0, maximum-scale=1.0, user-scalable=0">
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6 <style>
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7 body { background-color: gainsboro; text-align: center; }
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8 img { margin: 12px; box-shadow: 1px 1px 4px #0008; }
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9 </style>
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11 <script type="module">
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13 "use strict"
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15 import * as mupdf from "../../dist/mupdf.js"
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17 window.openFile = async function openFile(file) {
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18 console.log("OPEN DOCUMENT", file.name)
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20 window.pageRoot.replaceChildren()
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22 let pdf = mupdf.Document.openDocument(await file.arrayBuffer(), file.name)
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24 document.title = pdf.getMetaData(mupdf.Document.META_INFO_TITLE) || file.name
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26 // Fire off page renders on a timer to avoid blocking the browser.
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27 let n = pdf.countPages()
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28 for (let i = 0; i < n; ++i)
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29 setTimeout(() => renderPage(pdf, i), 0)
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30 }
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32 function renderPage(pdf, i) {
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33 console.log("RENDER PAGE", i+1)
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34 let z = window.devicePixelRatio * 96 / 72
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35 let png = pdf.loadPage(i).toPixmap([z,0,0,z,0,0], mupdf.ColorSpace.DeviceRGB).asPNG()
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36 let img = new Image()
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37 img.src = URL.createObjectURL(new Blob([png], { type: "image/png" }))
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38 img.onload = function () {
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39 img.style.width = img.width / window.devicePixelRatio + "px"
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40 window.pageRoot.appendChild(img)
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41 }
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42 }
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44 </script>
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46 <body>
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47 <input type="file" accept=".pdf,.xps,application/pdf" onchange="openFile(event.target.files[0])">
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48 <div id="pageRoot">
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49 </div>
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50 </body>
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52 </html>