annotate mupdf-source/docs/examples/pdf-create-lowlevel.js @ 25:575f70dbc259

Do not expose local directory names in mupdf_location in _build.py.
author Franz Glasner <fzglas.hg@dom66.de>
date Fri, 19 Sep 2025 18:20:23 +0200
parents b50eed0cc0ef
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Ignore whitespace changes - Everywhere: Within whitespace: At end of lines:
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1 import * as mupdf from "mupdf"
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3 // Create a PDF from scratch.
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5 // This example creates a new PDF file from scratch, using only the low level APIs.
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6 // This assumes a basic working knowledge of the PDF file format.
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8 // Create a new empty document with no pages.
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9 var pdf = new mupdf.PDFDocument()
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11 // Create and add a font resource.
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12 var font = pdf.addObject({
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13 Type: "Font",
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14 Subtype: "Type1",
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15 Encoding: "WinAnsiEncoding",
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16 BaseFont: "Times-Roman",
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17 })
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19 // Create and add an image resource:
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20 var image = pdf.addRawStream(
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21 // The raw stream contents, hex encoded to match the Filter entry:
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22 "004488CCEEBB7733>",
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23 // The image object dictionary:
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24 {
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25 Type: "XObject",
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26 Subtype: "Image",
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27 Width: 4,
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28 Height: 2,
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29 BitsPerComponent: 8,
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30 ColorSpace: "DeviceGray",
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31 Filter: "ASCIIHexDecode",
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32 }
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33 );
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35 // Create resource dictionary.
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36 var resources = pdf.addObject({
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37 Font: { Tm: font },
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38 XObject: { Im0: image },
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39 })
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41 // Create content stream.
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42 var buffer = new Buffer()
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43 buffer.writeLine("10 10 280 330 re s")
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44 buffer.writeLine("q 200 0 0 200 50 100 cm /Im0 Do Q")
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45 buffer.writeLine("BT /Tm 16 Tf 50 50 TD (Hello, world!) Tj ET")
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46 var contents = pdf.addStream(buffer)
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48 // Create page object.
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49 var page = pdf.addObject({
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50 Type: "Page",
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51 MediaBox: [0,0,300,350],
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52 Contents: contents,
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53 Resources: resources,
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54 })
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56 // Insert page object into page tree.
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57 var pagetree = pdf.getTrailer().Root.Pages
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58 pagetree.Count = 1
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59 pagetree.Kids = [ page ]
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60 page.Parent = pagetree
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61
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62 // Save the document.
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63 pdf.save("out.pdf")