40 lines
946 B
JavaScript
40 lines
946 B
JavaScript
// Script to create a PDF from JPEG2000 images.
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// Each image be put on its own page.
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// This script can be used to create files to test JPEG2000 support in PDF viewers.
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var doc = new PDFDocument();
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function addJPXImage(filename, w, h) {
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return doc.addRawStream(
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readFile(filename),
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{
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Type: "XObject",
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Subtype: "Image",
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Width: w,
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Height: h,
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Filter: "JPXDecode"
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}
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);
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}
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function addJPXPage(filename) {
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var image = new Image(filename);
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var w = image.getWidth();
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var h = image.getHeight();
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var mediabox = [0, 0, w, h];
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var resources = { XObject: { I: addJPXImage(filename, w, h) } };
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var contents = "q " + w + " 0 0 " + h + " 0 0 cm /I Do Q";
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doc.insertPage(-1, doc.addPage(mediabox, 0, resources, contents));
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}
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var i, n = scriptArgs.length;
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if (n < 1) {
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print("usage: mutool run jpx-to-pdf.js file.jpx ...");
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quit();
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}
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for (i = 0; i < n; ++i) {
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addJPXPage(scriptArgs[i]);
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}
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doc.save("out.pdf", "ascii,pretty");
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