Mercurial > hgrepos > Python2 > PyMuPDF

annotate src_classic/helper-portfolio.i @ 1:1d09e1dec1d9 upstream

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ADD: PyMuPDF v1.26.4: the original sdist. It does not yet contain MuPDF. This normally will be downloaded when building PyMuPDF.
author Franz Glasner <fzglas.hg@dom66.de>
date Mon, 15 Sep 2025 11:37:51 +0200
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1d09e1dec1d9 ADD: PyMuPDF v1.26.4: the original sdist.
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1 %{
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2 /*
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3 # ------------------------------------------------------------------------
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4 # Copyright 2020-2022, Harald Lieder, mailto:harald.lieder@outlook.com
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5 # License: GNU AFFERO GPL 3.0, https://www.gnu.org/licenses/agpl-3.0.html
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6 #
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7 # Part of "PyMuPDF", a Python binding for "MuPDF" (http://mupdf.com), a
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8 # lightweight PDF, XPS, and E-book viewer, renderer and toolkit which is
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9 # maintained and developed by Artifex Software, Inc. https://artifex.com.
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10 # ------------------------------------------------------------------------
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11 */
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12 //-----------------------------------------------------------------------------
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13 // perform some cleaning if we have /EmbeddedFiles:
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14 // (1) remove any /Limits if /Names exists
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15 // (2) remove any empty /Collection
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16 // (3) set /PageMode/UseAttachments
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17 //-----------------------------------------------------------------------------
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18 void JM_embedded_clean(fz_context *ctx, pdf_document *pdf)
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19 {
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20 pdf_obj *root = pdf_dict_get(ctx, pdf_trailer(ctx, pdf), PDF_NAME(Root));
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21
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22 // remove any empty /Collection entry
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23 pdf_obj *coll = pdf_dict_get(ctx, root, PDF_NAME(Collection));
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24 if (coll && pdf_dict_len(ctx, coll) == 0)
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25 pdf_dict_del(ctx, root, PDF_NAME(Collection));
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26
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27 pdf_obj *efiles = pdf_dict_getl(ctx, root,
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28 PDF_NAME(Names),
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29 PDF_NAME(EmbeddedFiles),
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30 PDF_NAME(Names),
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31 NULL);
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32 if (efiles) {
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33 pdf_dict_put_name(ctx, root, PDF_NAME(PageMode), "UseAttachments");
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34 }
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35 return;
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36 }
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37
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38 //-----------------------------------------------------------------------------
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39 // embed a new file in a PDF (not only /EmbeddedFiles entries)
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40 //-----------------------------------------------------------------------------
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41 pdf_obj *JM_embed_file(fz_context *ctx,
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42 pdf_document *pdf,
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43 fz_buffer *buf,
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44 char *filename,
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45 char *ufilename,
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46 char *desc,
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47 int compress)
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48 {
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49 size_t len = 0;
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50 pdf_obj *ef, *f, *params, *val = NULL;
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51 fz_buffer *buff2 = NULL;
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52 fz_var(buff2);
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53 fz_try(ctx) {
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54 val = pdf_new_dict(ctx, pdf, 6);
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55 pdf_dict_put_dict(ctx, val, PDF_NAME(CI), 4);
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56 ef = pdf_dict_put_dict(ctx, val, PDF_NAME(EF), 4);
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57 pdf_dict_put_text_string(ctx, val, PDF_NAME(F), filename);
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58 pdf_dict_put_text_string(ctx, val, PDF_NAME(UF), ufilename);
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59 pdf_dict_put_text_string(ctx, val, PDF_NAME(Desc), desc);
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60 pdf_dict_put(ctx, val, PDF_NAME(Type), PDF_NAME(Filespec));
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61 buff2 = fz_new_buffer_from_copied_data(ctx, " ", 1);
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62 f = pdf_add_stream(ctx, pdf, buff2, NULL, 0);
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63 pdf_dict_put_drop(ctx, ef, PDF_NAME(F), f);
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64 JM_update_stream(ctx, pdf, f, buf, compress);
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65 len = fz_buffer_storage(ctx, buf, NULL);
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66 pdf_dict_put_int(ctx, f, PDF_NAME(DL), len);
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67 pdf_dict_put_int(ctx, f, PDF_NAME(Length), len);
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68 params = pdf_dict_put_dict(ctx, f, PDF_NAME(Params), 4);
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69 pdf_dict_put_int(ctx, params, PDF_NAME(Size), len);
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70 }
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71 fz_always(ctx) {
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72 fz_drop_buffer(ctx, buff2);
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73 }
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74 fz_catch(ctx) {
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75 fz_rethrow(ctx);
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76 }
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77 return val;
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78 }
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79 %}