Mercurial > hgrepos > Python2 > PyMuPDF

annotate mupdf-source/source/tools/pdfrecolor.c @ 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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1 // Copyright (C) 2004-2025 Artifex Software, Inc.
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2 //
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3 // This file is part of MuPDF.
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4 //
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5 // MuPDF is free software: you can redistribute it and/or modify it under the
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6 // terms of the GNU Affero General Public License as published by the Free
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7 // Software Foundation, either version 3 of the License, or (at your option)
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8 // any later version.
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9 //
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10 // MuPDF is distributed in the hope that it will be useful, but WITHOUT ANY
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11 // WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS
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12 // FOR A PARTICULAR PURPOSE. See the GNU Affero General Public License for more
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13 // details.
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14 //
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15 // You should have received a copy of the GNU Affero General Public License
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16 // along with MuPDF. If not, see <https://www.gnu.org/licenses/agpl-3.0.en.html>
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17 //
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18 // Alternative licensing terms are available from the licensor.
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19 // For commercial licensing, see <https://www.artifex.com/> or contact
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20 // Artifex Software, Inc., 39 Mesa Street, Suite 108A, San Francisco,
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21 // CA 94129, USA, for further information.
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22
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23 /* PDF recoloring tool. */
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24
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25 #include "mupdf/fitz.h"
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26 #include "mupdf/pdf.h"
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27
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28 #include <stdio.h>
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29 #include <stdlib.h>
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30 #include <string.h>
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31
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32
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33 static int
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34 usage(void)
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35 {
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36 fprintf(stderr, "usage: mutool recolor [options] <input filename>\n");
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37 fprintf(stderr, "\t-c -\tOutput colorspace (gray(default), rgb, cmyk)\n");
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38 fprintf(stderr, "\t-r\tRemove OutputIntent(s)\n");
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39 fprintf(stderr, "\t-o -\tOutput file\n");
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40 return 1;
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41 }
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42
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43 int pdfrecolor_main(int argc, char **argv)
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44 {
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45 fz_context *ctx = NULL;
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46 pdf_document *pdf = NULL;
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47 fz_document *doc = NULL;
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48 pdf_write_options opts = pdf_default_write_options;
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49 pdf_recolor_options ropts = { 0 };
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50 int n, i, c;
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51 char *infile = NULL;
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52 char *outputfile = "out.pdf";
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53 int code = EXIT_SUCCESS;
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54 const char *colorspace = NULL;
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55 int remove_oi = 0;
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56
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57 while ((c = fz_getopt(argc, argv, "c:o:r")) != -1)
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58 {
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59 switch (c)
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60 {
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61 default: return usage();
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62
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63 // color convert
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64 case 'c': colorspace = fz_optarg; break;
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65 case 'o': outputfile = fz_optpath(fz_optarg); break;
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66 case 'r': remove_oi = 1; break;
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67 }
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68 }
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69
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70 if (fz_optind == argc || !outputfile)
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71 return usage();
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72
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73 infile = argv[fz_optind];
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74
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75 if (colorspace == NULL || !strcmp(colorspace, "gray"))
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76 ropts.num_comp = 1;
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77 else if (!strcmp(colorspace, "rgb"))
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78 ropts.num_comp = 3;
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79 else if (!strcmp(colorspace, "cmyk"))
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80 ropts.num_comp = 4;
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81 else
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82 {
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83 fprintf(stderr, "Unknown colorspace\n");
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84 return usage();
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85 }
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86
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87 /* Set up the options for the file saving. */
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88 #if 1
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89 opts.do_compress = 1;
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90 opts.do_compress_images = 1;
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91 opts.do_compress_fonts = 1;
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92 opts.do_garbage = 3;
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93 opts.do_use_objstms = 1;
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94 #else
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95 opts.do_compress = 0;
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96 opts.do_pretty = 1;
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97 opts.do_compress = 0;
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98 opts.do_compress_images = 1;
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99 opts.do_compress_fonts = 0;
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100 opts.do_garbage = 0;
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101 opts.do_clean = 1;
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102 #endif
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103
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104 /* Create a MuPDF library context. */
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105 ctx = fz_new_context(NULL, NULL, FZ_STORE_DEFAULT);
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106 if (!ctx)
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107 {
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108 fprintf(stderr, "Could not create global context.\n");
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109 return EXIT_FAILURE;
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110 }
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111
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112 /* Register the document handlers (only really need PDF, but this is
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113 * the simplest way. */
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114 fz_register_document_handlers(ctx);
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115
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116 fz_try(ctx)
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117 {
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118 /* Load the input document. */
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119 doc = fz_open_document(ctx, infile);
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120
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121 /* Get a PDF specific pointer, and count the pages. */
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122 pdf = pdf_document_from_fz_document(ctx, doc);
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123 n = fz_count_pages(ctx, doc);
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124
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125 for (i = 0; i < n; i++)
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126 pdf_recolor_page(ctx, pdf, i, &ropts);
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127
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128 if (remove_oi)
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129 pdf_remove_output_intents(ctx, pdf);
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130
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131 pdf_save_document(ctx, pdf, outputfile, &opts);
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132 }
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133 fz_always(ctx)
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134 {
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135 fz_drop_document(ctx, doc);
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136 }
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parents:
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137 fz_catch(ctx)
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parents:
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138 {
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parents:
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139 fz_report_error(ctx);
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140 code = EXIT_FAILURE;
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141 }
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parents:
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142 fz_drop_context(ctx);
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parents:
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143
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144 return code;
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145 }