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comparison mupdf-source/thirdparty/openjpeg/src/lib/openjp2/tpix_manager.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 /*
2 * $Id: tpix_manager.c 897 2011-08-28 21:43:57Z Kaori.Hagihara@gmail.com $
3 *
4 * Copyright (c) 2002-2014, Universite catholique de Louvain (UCL), Belgium
5 * Copyright (c) 2002-2014, Professor Benoit Macq
6 * Copyright (c) 2003-2004, Yannick Verschueren
7 * Copyright (c) 2010-2011, Kaori Hagihara
8 * All rights reserved.
9 *
10 * Redistribution and use in source and binary forms, with or without
11 * modification, are permitted provided that the following conditions
12 * are met:
13 * 1. Redistributions of source code must retain the above copyright
14 * notice, this list of conditions and the following disclaimer.
15 * 2. Redistributions in binary form must reproduce the above copyright
16 * notice, this list of conditions and the following disclaimer in the
17 * documentation and/or other materials provided with the distribution.
18 *
19 * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS `AS IS'
20 * AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
21 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
22 * ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR CONTRIBUTORS BE
23 * LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
24 * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
25 * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
26 * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
27 * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
28 * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
29 * POSSIBILITY OF SUCH DAMAGE.
30 */
31
32 /*! \file
33 * \brief Modification of jpip.c from 2KAN indexer
34 */
35
36 #include "opj_includes.h"
37
38 #define MAX(a,b) ((a)>(b)?(a):(b))
39
40 /*
41 * Get number of maximum tile parts per tile
42 *
43 * @param[in] cstr_info codestream information
44 * @return number of maximum tile parts per tile
45 */
46 int get_num_max_tile_parts(opj_codestream_info_t cstr_info);
47
48
49 /*
50 * Write faix box of tpix
51 *
52 * @param[in] coff offset of j2k codestream
53 * @param[in] compno component number
54 * @param[in] cstr_info codestream information
55 * @param[in] j2klen length of j2k codestream
56 * @param[in] cio file output handle
57 * @return length of faix box
58 */
59
60 int opj_write_tpix(int coff,
61 opj_codestream_info_t cstr_info,
62 int j2klen, opj_stream_private_t *cio,
63 opj_event_mgr_t * p_manager)
64 {
65 OPJ_BYTE l_data_header [4];
66 OPJ_UINT32 len;
67 OPJ_OFF_T lenp;
68
69 lenp = opj_stream_tell(cio);
70 opj_stream_skip(cio, 4, p_manager);
71 opj_write_bytes(l_data_header, JPIP_TPIX, 4); /* TPIX */
72 opj_stream_write_data(cio, l_data_header, 4, p_manager);
73
74 opj_write_tpixfaix(coff, 0, cstr_info, j2klen, cio, p_manager);
75
76 len = (OPJ_UINT32)(opj_stream_tell(cio) - lenp);
77
78 opj_stream_skip(cio, lenp, p_manager);
79 opj_write_bytes(l_data_header, len, 4); /* L */
80 opj_stream_write_data(cio, l_data_header, 4, p_manager);
81 opj_stream_seek(cio, lenp + len, p_manager);
82
83 return (int)len;
84 }
85
86 int opj_write_tpixfaix(int coff,
87 int compno,
88 opj_codestream_info_t cstr_info,
89 int j2klen,
90 opj_stream_private_t *cio,
91 opj_event_mgr_t * p_manager)
92 {
93 OPJ_UINT32 len;
94 OPJ_OFF_T lenp;
95 OPJ_UINT32 i, j;
96 OPJ_UINT32 Aux;
97 OPJ_UINT32 num_max_tile_parts;
98 OPJ_UINT32 size_of_coding; /* 4 or 8 */
99 opj_tp_info_t tp;
100 OPJ_BYTE l_data_header [8];
101 OPJ_UINT32 version;
102
103 num_max_tile_parts = (OPJ_UINT32)get_num_max_tile_parts(cstr_info);
104
105 if (j2klen > pow(2, 32)) {
106 size_of_coding = 8;
107 version = num_max_tile_parts == 1 ? 1 : 3;
108 } else {
109 size_of_coding = 4;
110 version = num_max_tile_parts == 1 ? 0 : 2;
111 }
112
113 lenp = opj_stream_tell(cio);
114 opj_stream_skip(cio, 4, p_manager); /* L [at the end] */
115 opj_write_bytes(l_data_header, JPIP_FAIX, 4); /* FAIX */
116 opj_stream_write_data(cio, l_data_header, 4, p_manager);
117 opj_write_bytes(l_data_header, version, 1); /* Version 0 = 4 bytes */
118 opj_stream_write_data(cio, l_data_header, 1, p_manager);
119
120 opj_write_bytes(l_data_header, num_max_tile_parts,
121 size_of_coding); /* NMAX */
122 opj_stream_write_data(cio, l_data_header, size_of_coding, p_manager);
123 opj_write_bytes(l_data_header, (OPJ_UINT32)(cstr_info.tw * cstr_info.th),
124 size_of_coding); /* M */
125 opj_stream_write_data(cio, l_data_header, size_of_coding, p_manager);
126
127 for (i = 0; i < (OPJ_UINT32)(cstr_info.tw * cstr_info.th); i++) {
128 for (j = 0; j < (OPJ_UINT32)cstr_info.tile[i].num_tps; j++) {
129 tp = cstr_info.tile[i].tp[j];
130
131 opj_write_bytes(l_data_header, (OPJ_UINT32)(tp.tp_start_pos - coff),
132 size_of_coding); /* start position */
133 opj_stream_write_data(cio, l_data_header, size_of_coding, p_manager);
134 opj_write_bytes(l_data_header,
135 (OPJ_UINT32)(tp.tp_end_pos - tp.tp_start_pos + 1),
136 size_of_coding); /* length */
137 opj_stream_write_data(cio, l_data_header, size_of_coding, p_manager);
138
139 if (version & 0x02) {
140 if (cstr_info.tile[i].num_tps == 1 && cstr_info.numdecompos[compno] > 1) {
141 Aux = (OPJ_UINT32)(cstr_info.numdecompos[compno] + 1);
142 } else {
143 Aux = j + 1;
144 }
145
146 opj_write_bytes(l_data_header, Aux, 4);
147 opj_stream_write_data(cio, l_data_header, 4, p_manager);
148
149 /*cio_write(img.tile[i].tile_parts[j].num_reso_AUX,4);*/ /* Aux_i,j : Auxiliary value */
150 /* fprintf(stderr,"AUX value %d\n",Aux);*/
151 }
152 /*cio_write(0,4);*/
153 }
154 /* PADDING */
155 while (j < num_max_tile_parts) {
156
157 opj_write_bytes(l_data_header, 0,
158 size_of_coding); /* start position */
159 opj_stream_write_data(cio, l_data_header, size_of_coding, p_manager);
160 opj_write_bytes(l_data_header, 0,
161 size_of_coding); /* length */
162 opj_stream_write_data(cio, l_data_header, size_of_coding, p_manager);
163
164 if (version & 0x02) {
165 opj_write_bytes(l_data_header, 0, 4); /* Aux_i,j : Auxiliary value */
166 }
167 opj_stream_write_data(cio, l_data_header, 4, p_manager);
168 j++;
169 }
170 }
171
172 len = (OPJ_UINT32)(opj_stream_tell(cio) - lenp);
173 opj_stream_seek(cio, lenp, p_manager);
174 opj_write_bytes(l_data_header, len, 4); /* L */
175 opj_stream_write_data(cio, l_data_header, 4, p_manager);
176 opj_stream_seek(cio, lenp + len, p_manager);
177
178 return (int)len;
179 }
180
181 int get_num_max_tile_parts(opj_codestream_info_t cstr_info)
182 {
183 int num_max_tp = 0, i;
184
185 for (i = 0; i < cstr_info.tw * cstr_info.th; i++) {
186 num_max_tp = MAX(cstr_info.tile[i].num_tps, num_max_tp);
187 }
188
189 return num_max_tp;
190 }