Mercurial > hgrepos > Python2 > PyMuPDF

annotate mupdf-source/thirdparty/openjpeg/src/lib/openjp2/t2.h @ 46:7ee69f120f19 default tip

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>>>>> tag v1.26.5+1 for changeset b74429b0f5c4
author Franz Glasner <fzglas.hg@dom66.de>
date Sat, 11 Oct 2025 17:17:30 +0200
parents b50eed0cc0ef
children
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1 /*
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2 * The copyright in this software is being made available under the 2-clauses
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3 * BSD License, included below. This software may be subject to other third
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4 * party and contributor rights, including patent rights, and no such rights
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5 * are granted under this license.
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6 *
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7 * Copyright (c) 2002-2014, Universite catholique de Louvain (UCL), Belgium
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8 * Copyright (c) 2002-2014, Professor Benoit Macq
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9 * Copyright (c) 2001-2003, David Janssens
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10 * Copyright (c) 2002-2003, Yannick Verschueren
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11 * Copyright (c) 2003-2007, Francois-Olivier Devaux
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12 * Copyright (c) 2003-2014, Antonin Descampe
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13 * Copyright (c) 2005, Herve Drolon, FreeImage Team
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14 * Copyright (c) 2008, 2011-2012, Centre National d'Etudes Spatiales (CNES), FR
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15 * Copyright (c) 2012, CS Systemes d'Information, France
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16 * Copyright (c) 2017, IntoPIX SA <support@intopix.com>
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17 * All rights reserved.
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18 *
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19 * Redistribution and use in source and binary forms, with or without
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20 * modification, are permitted provided that the following conditions
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21 * are met:
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22 * 1. Redistributions of source code must retain the above copyright
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23 * notice, this list of conditions and the following disclaimer.
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24 * 2. Redistributions in binary form must reproduce the above copyright
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25 * notice, this list of conditions and the following disclaimer in the
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26 * documentation and/or other materials provided with the distribution.
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27 *
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28 * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS `AS IS'
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29 * AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
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30 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
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31 * ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR CONTRIBUTORS BE
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32 * LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
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33 * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
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34 * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
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35 * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
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36 * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
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37 * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
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38 * POSSIBILITY OF SUCH DAMAGE.
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39 */
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40 #ifndef OPJ_T2_H
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41 #define OPJ_T2_H
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42 /**
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43 @file t2.h
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44 @brief Implementation of a tier-2 coding (packetization of code-block data) (T2)
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45
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46 */
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47
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48 /** @defgroup T2 T2 - Implementation of a tier-2 coding */
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49 /*@{*/
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50
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51 /**
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52 Tier-2 coding
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53 */
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54 typedef struct opj_t2 {
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55
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56 /** Encoding: pointer to the src image. Decoding: pointer to the dst image. */
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57 opj_image_t *image;
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58 /** pointer to the image coding parameters */
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59 opj_cp_t *cp;
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60 } opj_t2_t;
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61
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62 /** @name Exported functions */
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63 /*@{*/
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64 /* ----------------------------------------------------------------------- */
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65
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66 /**
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67 Encode the packets of a tile to a destination buffer
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68 @param t2 T2 handle
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69 @param tileno number of the tile encoded
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70 @param tile the tile for which to write the packets
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71 @param maxlayers maximum number of layers
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72 @param dest the destination buffer
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73 @param p_data_written FIXME DOC
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74 @param len the length of the destination buffer
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75 @param cstr_info Codestream information structure
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76 @param p_marker_info Marker information structure
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77 @param tpnum Tile part number of the current tile
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78 @param tppos The position of the tile part flag in the progression order
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79 @param pino FIXME DOC
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80 @param t2_mode If == THRESH_CALC In Threshold calculation ,If == FINAL_PASS Final pass
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81 @param p_manager the user event manager
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82 */
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83 OPJ_BOOL opj_t2_encode_packets(opj_t2_t* t2,
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84 OPJ_UINT32 tileno,
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85 opj_tcd_tile_t *tile,
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86 OPJ_UINT32 maxlayers,
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87 OPJ_BYTE *dest,
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88 OPJ_UINT32 * p_data_written,
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89 OPJ_UINT32 len,
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90 opj_codestream_info_t *cstr_info,
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91 opj_tcd_marker_info_t* p_marker_info,
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92 OPJ_UINT32 tpnum,
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93 OPJ_INT32 tppos,
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94 OPJ_UINT32 pino,
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95 J2K_T2_MODE t2_mode,
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96 opj_event_mgr_t *p_manager);
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97
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98 /**
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99 Decode the packets of a tile from a source buffer
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100 @param tcd TCD handle
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101 @param t2 T2 handle
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102 @param tileno number that identifies the tile for which to decode the packets
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103 @param tile tile for which to decode the packets
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104 @param src FIXME DOC
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105 @param p_data_read the source buffer
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106 @param len length of the source buffer
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107 @param cstr_info FIXME DOC
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108 @param p_manager the user event manager
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109
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110 @return FIXME DOC
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111 */
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112 OPJ_BOOL opj_t2_decode_packets(opj_tcd_t* tcd,
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113 opj_t2_t *t2,
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114 OPJ_UINT32 tileno,
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115 opj_tcd_tile_t *tile,
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116 OPJ_BYTE *src,
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117 OPJ_UINT32 * p_data_read,
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118 OPJ_UINT32 len,
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119 opj_codestream_index_t *cstr_info,
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120 opj_event_mgr_t *p_manager);
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121
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122 /**
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123 * Creates a Tier 2 handle
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124 *
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125 * @param p_image Source or destination image
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126 * @param p_cp Image coding parameters.
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127 * @return a new T2 handle if successful, NULL otherwise.
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128 */
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129 opj_t2_t* opj_t2_create(opj_image_t *p_image, opj_cp_t *p_cp);
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130
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131 /**
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132 Destroy a T2 handle
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133 @param t2 T2 handle to destroy
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134 */
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135 void opj_t2_destroy(opj_t2_t *t2);
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136
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137 /* ----------------------------------------------------------------------- */
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138 /*@}*/
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139
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140 /*@}*/
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141
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142 #endif /* OPJ_T2_H */