Mercurial > hgrepos > Python2 > PyMuPDF

annotate mupdf-source/thirdparty/openjpeg/src/lib/openjp2/thix_manager.c @ 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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1 /*
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2 * $Id: thix_manager.c 897 2011-08-28 21:43:57Z Kaori.Hagihara@gmail.com $
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3 *
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4 * Copyright (c) 2002-2014, Universite catholique de Louvain (UCL), Belgium
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5 * Copyright (c) 2002-2014, Professor Benoit Macq
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6 * Copyright (c) 2003-2004, Yannick Verschueren
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7 * Copyright (c) 2010-2011, Kaori Hagihara
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8 * All rights reserved.
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9 *
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10 * Redistribution and use in source and binary forms, with or without
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11 * modification, are permitted provided that the following conditions
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12 * are met:
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13 * 1. Redistributions of source code must retain the above copyright
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14 * notice, this list of conditions and the following disclaimer.
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15 * 2. Redistributions in binary form must reproduce the above copyright
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16 * notice, this list of conditions and the following disclaimer in the
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17 * documentation and/or other materials provided with the distribution.
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18 *
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19 * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS `AS IS'
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20 * AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
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21 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
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22 * ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR CONTRIBUTORS BE
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23 * LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
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24 * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
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25 * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
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26 * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
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27 * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
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28 * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
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29 * POSSIBILITY OF SUCH DAMAGE.
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30 */
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31
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32 /*! \file
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33 * \brief Modification of jpip.c from 2KAN indexer
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34 */
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36 #include "opj_includes.h"
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38
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39
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40 int opj_write_thix(int coff, opj_codestream_info_t cstr_info,
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41 opj_stream_private_t *cio,
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42 opj_event_mgr_t * p_manager)
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43 {
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44 OPJ_BYTE l_data_header [4];
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45 int i;
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46 int tileno;
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47 opj_jp2_box_t *box;
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48 OPJ_UINT32 len;
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49 OPJ_OFF_T lenp;
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51 lenp = 0;
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52 box = (opj_jp2_box_t *)opj_calloc((size_t)(cstr_info.tw * cstr_info.th),
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53 sizeof(opj_jp2_box_t));
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54 if (box == NULL) {
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55 return 0;
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56 }
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57 for (i = 0; i < 2 ; i++) {
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58 if (i) {
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59 opj_stream_seek(cio, lenp, p_manager);
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60 }
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61
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62 lenp = opj_stream_tell(cio);
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63 opj_stream_skip(cio, 4, p_manager); /* L [at the end] */
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64 opj_write_bytes(l_data_header, JPIP_THIX, 4); /* THIX */
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65 opj_stream_write_data(cio, l_data_header, 4, p_manager);
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66
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67 opj_write_manf(i, cstr_info.tw * cstr_info.th, box, cio, p_manager);
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68
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69 for (tileno = 0; tileno < cstr_info.tw * cstr_info.th; tileno++) {
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70 box[tileno].length = (OPJ_UINT32)opj_write_tilemhix(coff, cstr_info, tileno,
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71 cio, p_manager);
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72 box[tileno].type = JPIP_MHIX;
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73 }
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74
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75 len = (OPJ_UINT32)(opj_stream_tell(cio) - lenp);
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76 opj_stream_seek(cio, lenp, p_manager);
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77 opj_write_bytes(l_data_header, len, 4); /* L */
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78 opj_stream_write_data(cio, l_data_header, 4, p_manager);
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79 opj_stream_seek(cio, lenp + len, p_manager);
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80
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81 }
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83 opj_free(box);
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85 return (int)len;
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86 }
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87
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88 /*
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89 * Write tile-part headers mhix box
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90 *
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91 * @param[in] coff offset of j2k codestream
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92 * @param[in] cstr_info codestream information
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93 * @param[in] tileno tile number
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94 * @param[in] cio file output handle
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95 * @return length of mhix box
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96 */
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97 int opj_write_tilemhix(int coff, opj_codestream_info_t cstr_info, int tileno,
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98 opj_stream_private_t *cio,
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99 opj_event_mgr_t * p_manager)
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100 {
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101 OPJ_BYTE l_data_header [8];
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102 int i;
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103 opj_tile_info_t tile;
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104 opj_tp_info_t tp;
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105 opj_marker_info_t *marker;
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106 OPJ_UINT32 len;
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107 OPJ_OFF_T lenp;
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108
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109 lenp = opj_stream_tell(cio);
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110 opj_stream_skip(cio, 4,
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111 p_manager); /* L [at the end] */
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112 opj_write_bytes(l_data_header, JPIP_MHIX,
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113 4); /* MHIX */
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114 opj_stream_write_data(cio, l_data_header, 4, p_manager);
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115
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116 tile = cstr_info.tile[tileno];
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117 tp = tile.tp[0];
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118
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119 opj_write_bytes(l_data_header,
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120 (OPJ_UINT32)(tp.tp_end_header - tp.tp_start_pos + 1),
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121 8); /* TLEN */
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122 opj_stream_write_data(cio, l_data_header, 8, p_manager);
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123
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124 marker = cstr_info.tile[tileno].marker;
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125
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126 for (i = 0; i < cstr_info.tile[tileno].marknum;
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127 i++) { /* Marker restricted to 1 apparition */
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128 opj_write_bytes(l_data_header, marker[i].type, 2);
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129 opj_write_bytes(l_data_header + 2, 0, 2);
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130 opj_stream_write_data(cio, l_data_header, 4, p_manager);
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131 opj_write_bytes(l_data_header, (OPJ_UINT32)(marker[i].pos - coff), 8);
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132 opj_stream_write_data(cio, l_data_header, 8, p_manager);
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133 opj_write_bytes(l_data_header, (OPJ_UINT32)marker[i].len, 2);
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134 opj_stream_write_data(cio, l_data_header, 2, p_manager);
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135 }
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136
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137 /* free( marker);*/
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138
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139 len = (OPJ_UINT32)(opj_stream_tell(cio) - lenp);
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140 opj_stream_seek(cio, lenp, p_manager);
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141 opj_write_bytes(l_data_header, len, 4); /* L */
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142 opj_stream_write_data(cio, l_data_header, 4, p_manager);
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143 opj_stream_seek(cio, lenp + len, p_manager);
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144
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145 return (int)len;
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146 }