Mercurial > hgrepos > Python2 > PyMuPDF

comparison 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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1:1d09e1dec1d9 2:b50eed0cc0ef
1 // Copyright (C) 2004-2025 Artifex Software, Inc.
2 //
3 // This file is part of MuPDF.
4 //
5 // MuPDF is free software: you can redistribute it and/or modify it under the
6 // terms of the GNU Affero General Public License as published by the Free
7 // Software Foundation, either version 3 of the License, or (at your option)
8 // any later version.
9 //
10 // MuPDF is distributed in the hope that it will be useful, but WITHOUT ANY
11 // WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS
12 // FOR A PARTICULAR PURPOSE. See the GNU Affero General Public License for more
13 // details.
14 //
15 // You should have received a copy of the GNU Affero General Public License
16 // along with MuPDF. If not, see <https://www.gnu.org/licenses/agpl-3.0.en.html>
17 //
18 // Alternative licensing terms are available from the licensor.
19 // For commercial licensing, see <https://www.artifex.com/> or contact
20 // Artifex Software, Inc., 39 Mesa Street, Suite 108A, San Francisco,
21 // CA 94129, USA, for further information.
22
23 /* PDF recoloring tool. */
24
25 #include "mupdf/fitz.h"
26 #include "mupdf/pdf.h"
27
28 #include <stdio.h>
29 #include <stdlib.h>
30 #include <string.h>
31
32
33 static int
34 usage(void)
35 {
36 fprintf(stderr, "usage: mutool recolor [options] <input filename>\n");
37 fprintf(stderr, "\t-c -\tOutput colorspace (gray(default), rgb, cmyk)\n");
38 fprintf(stderr, "\t-r\tRemove OutputIntent(s)\n");
39 fprintf(stderr, "\t-o -\tOutput file\n");
40 return 1;
41 }
42
43 int pdfrecolor_main(int argc, char **argv)
44 {
45 fz_context *ctx = NULL;
46 pdf_document *pdf = NULL;
47 fz_document *doc = NULL;
48 pdf_write_options opts = pdf_default_write_options;
49 pdf_recolor_options ropts = { 0 };
50 int n, i, c;
51 char *infile = NULL;
52 char *outputfile = "out.pdf";
53 int code = EXIT_SUCCESS;
54 const char *colorspace = NULL;
55 int remove_oi = 0;
56
57 while ((c = fz_getopt(argc, argv, "c:o:r")) != -1)
58 {
59 switch (c)
60 {
61 default: return usage();
62
63 // color convert
64 case 'c': colorspace = fz_optarg; break;
65 case 'o': outputfile = fz_optpath(fz_optarg); break;
66 case 'r': remove_oi = 1; break;
67 }
68 }
69
70 if (fz_optind == argc || !outputfile)
71 return usage();
72
73 infile = argv[fz_optind];
74
75 if (colorspace == NULL || !strcmp(colorspace, "gray"))
76 ropts.num_comp = 1;
77 else if (!strcmp(colorspace, "rgb"))
78 ropts.num_comp = 3;
79 else if (!strcmp(colorspace, "cmyk"))
80 ropts.num_comp = 4;
81 else
82 {
83 fprintf(stderr, "Unknown colorspace\n");
84 return usage();
85 }
86
87 /* Set up the options for the file saving. */
88 #if 1
89 opts.do_compress = 1;
90 opts.do_compress_images = 1;
91 opts.do_compress_fonts = 1;
92 opts.do_garbage = 3;
93 opts.do_use_objstms = 1;
94 #else
95 opts.do_compress = 0;
96 opts.do_pretty = 1;
97 opts.do_compress = 0;
98 opts.do_compress_images = 1;
99 opts.do_compress_fonts = 0;
100 opts.do_garbage = 0;
101 opts.do_clean = 1;
102 #endif
103
104 /* Create a MuPDF library context. */
105 ctx = fz_new_context(NULL, NULL, FZ_STORE_DEFAULT);
106 if (!ctx)
107 {
108 fprintf(stderr, "Could not create global context.\n");
109 return EXIT_FAILURE;
110 }
111
112 /* Register the document handlers (only really need PDF, but this is
113 * the simplest way. */
114 fz_register_document_handlers(ctx);
115
116 fz_try(ctx)
117 {
118 /* Load the input document. */
119 doc = fz_open_document(ctx, infile);
120
121 /* Get a PDF specific pointer, and count the pages. */
122 pdf = pdf_document_from_fz_document(ctx, doc);
123 n = fz_count_pages(ctx, doc);
124
125 for (i = 0; i < n; i++)
126 pdf_recolor_page(ctx, pdf, i, &ropts);
127
128 if (remove_oi)
129 pdf_remove_output_intents(ctx, pdf);
130
131 pdf_save_document(ctx, pdf, outputfile, &opts);
132 }
133 fz_always(ctx)
134 {
135 fz_drop_document(ctx, doc);
136 }
137 fz_catch(ctx)
138 {
139 fz_report_error(ctx);
140 code = EXIT_FAILURE;
141 }
142 fz_drop_context(ctx);
143
144 return code;
145 }