Mercurial > hgrepos > Python2 > PyMuPDF

annotate mupdf-source/docs/examples/pdf-extract-rich-media.js @ 40:aa33339d6b8a upstream

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ADD: MuPDF v1.26.10: the MuPDF source as downloaded by a default build of PyMuPDF 1.26.5.
author Franz Glasner <fzglas.hg@dom66.de>
date Sat, 11 Oct 2025 11:31:38 +0200
parents b50eed0cc0ef
children
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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>
parents:
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1 // List and extract embedded rich media in a PDF document.
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2
b50eed0cc0ef ADD: MuPDF v1.26.7: the MuPDF source as downloaded by a default build of PyMuPDF 1.26.4.
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3 if (scriptArgs.length != 1 && scriptArgs.length != 3) {
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4 print("usage: mutool run pdf-extract-rich-media.js input.pdf [index filename]");
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5 print(" List embedded rich media, or extract an embedded rich media file from a PDF document.")
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6 quit();
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7 }
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8
b50eed0cc0ef ADD: MuPDF v1.26.7: the MuPDF source as downloaded by a default build of PyMuPDF 1.26.4.
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9 var doc = Document.openDocument(scriptArgs[0]);
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10
b50eed0cc0ef ADD: MuPDF v1.26.7: the MuPDF source as downloaded by a default build of PyMuPDF 1.26.4.
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11 function mapNameTree(N, fn) {
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12 function mapNameTreeNames(NN) {
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13 var i, n = NN.length;
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14 for (i = 0; i < n; i += 2)
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15 fn(NN[i], NN[i+1]);
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16 }
b50eed0cc0ef ADD: MuPDF v1.26.7: the MuPDF source as downloaded by a default build of PyMuPDF 1.26.4.
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17 function mapNameTreeKids(NK) {
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18 var i, n = NK.length;
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19 for (i = 0; i < n; ++i)
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20 mapNameTree(NK[i], fn)
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21 }
b50eed0cc0ef ADD: MuPDF v1.26.7: the MuPDF source as downloaded by a default build of PyMuPDF 1.26.4.
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22 if ("Names" in N)
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23 mapNameTreeNames(N.Names);
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24 if ("Kids" in N)
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25 mapNameTreeKids(N.Kids);
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26 }
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27
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28 function fileNameFromFS(fs) {
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29 if ("UF" in fs) return fs.UF.asString();
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30 if ("F" in fs) return fs.F.asString();
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31 if ("Unix" in fs) return fs.Unix.asString();
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32 if ("DOS" in fs) return fs.DOS.asString();
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33 if ("Mac" in fs) return fs.Mac.asString();
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34 return "Untitled";
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35 }
b50eed0cc0ef ADD: MuPDF v1.26.7: the MuPDF source as downloaded by a default build of PyMuPDF 1.26.4.
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36
b50eed0cc0ef ADD: MuPDF v1.26.7: the MuPDF source as downloaded by a default build of PyMuPDF 1.26.4.
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37 function mapRichMediaAssets(fn) {
b50eed0cc0ef ADD: MuPDF v1.26.7: the MuPDF source as downloaded by a default build of PyMuPDF 1.26.4.
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38 var pageCount = doc.countPages();
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39 var page, annots, a;
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40 for (page = 0; page < pageCount; ++page) {
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41 annots = doc.findPage(page).Annots;
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42 if (annots && annots.length > 0) {
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43 for (a = 0; a < annots.length; ++a) {
b50eed0cc0ef ADD: MuPDF v1.26.7: the MuPDF source as downloaded by a default build of PyMuPDF 1.26.4.
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44 if (annots[a].Subtype == "RichMedia")
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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45 mapNameTree(annots[a].RichMediaContent.Assets, fn);
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46 }
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47 }
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48 }
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49 }
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50
b50eed0cc0ef ADD: MuPDF v1.26.7: the MuPDF source as downloaded by a default build of PyMuPDF 1.26.4.
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51 if (scriptArgs.length == 1) {
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52 var idx = 1;
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53 mapRichMediaAssets(function (name, fs) {
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54 print(idx, name.asString());
b50eed0cc0ef ADD: MuPDF v1.26.7: the MuPDF source as downloaded by a default build of PyMuPDF 1.26.4.
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55 print("\tFilename:", fileNameFromFS(fs));
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56 if ("Desc" in fs)
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57 print("\tDescription:", fs.Desc.asString());
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58 ++idx;
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59 });
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60 }
b50eed0cc0ef ADD: MuPDF v1.26.7: the MuPDF source as downloaded by a default build of PyMuPDF 1.26.4.
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parents:
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61
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62 if (scriptArgs.length == 3) {
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63 var idx = 1;
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64 mapRichMediaAssets(function (name, fs) {
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65 if (idx == scriptArgs[1]) {
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66 print("Saving embedded file", idx, "as:", scriptArgs[2]);
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67 fs.EF.F.readStream().save(scriptArgs[2]);
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68 }
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69 ++idx;
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70 });
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71 }