Mercurial > hgrepos > Python2 > PyMuPDF

annotate mupdf-source/docs/examples/jpx-to-pdf.js @ 2:b50eed0cc0ef upstream

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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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b50eed0cc0ef ADD: MuPDF v1.26.7: the MuPDF source as downloaded by a default build of PyMuPDF 1.26.4.
Franz Glasner <fzglas.hg@dom66.de>
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1 // Script to create a PDF from JPEG2000 images.
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2 // Each image be put on its own page.
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3 // This script can be used to create files to test JPEG2000 support in PDF viewers.
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5 var doc = new PDFDocument();
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7 function addJPXImage(filename, w, h) {
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8 return doc.addRawStream(
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9 readFile(filename),
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10 {
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11 Type: "XObject",
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12 Subtype: "Image",
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13 Width: w,
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14 Height: h,
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15 Filter: "JPXDecode"
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16 }
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17 );
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18 }
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20 function addJPXPage(filename) {
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21 var image = new Image(filename);
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22 var w = image.getWidth();
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23 var h = image.getHeight();
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24 var mediabox = [0, 0, w, h];
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25 var resources = { XObject: { I: addJPXImage(filename, w, h) } };
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26 var contents = "q " + w + " 0 0 " + h + " 0 0 cm /I Do Q";
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27 doc.insertPage(-1, doc.addPage(mediabox, 0, resources, contents));
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28 }
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30 var i, n = scriptArgs.length;
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31 if (n < 1) {
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32 print("usage: mutool run jpx-to-pdf.js file.jpx ...");
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33 quit();
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34 }
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35 for (i = 0; i < n; ++i) {
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36 addJPXPage(scriptArgs[i]);
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37 }
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39 doc.save("out.pdf", "ascii,pretty");