Mercurial > hgrepos > Python2 > PyMuPDF

annotate mupdf-source/thirdparty/openjpeg/src/lib/openjp2/pi.h @ 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 * 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 * All rights reserved.
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15 *
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16 * Redistribution and use in source and binary forms, with or without
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17 * modification, are permitted provided that the following conditions
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18 * are met:
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19 * 1. Redistributions of source code must retain the above copyright
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20 * notice, this list of conditions and the following disclaimer.
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21 * 2. Redistributions in binary form must reproduce the above copyright
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22 * notice, this list of conditions and the following disclaimer in the
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23 * documentation and/or other materials provided with the distribution.
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24 *
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25 * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS `AS IS'
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26 * AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
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27 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
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28 * ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR CONTRIBUTORS BE
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29 * LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
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30 * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
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31 * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
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32 * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
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33 * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
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34 * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
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35 * POSSIBILITY OF SUCH DAMAGE.
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36 */
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37
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38 #ifndef OPJ_PI_H
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39 #define OPJ_PI_H
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40 /**
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41 @file pi.h
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42 @brief Implementation of a packet iterator (PI)
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43
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44 The functions in PI.C have for goal to realize a packet iterator that permits to get the next
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45 packet following the progression order and change of it. The functions in PI.C are used
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46 by some function in T2.C.
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47 */
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48
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49 /** @defgroup PI PI - Implementation of a packet iterator */
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50 /*@{*/
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51
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52 /**
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53 FIXME DOC
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54 */
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55 typedef struct opj_pi_resolution {
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56 OPJ_UINT32 pdx, pdy;
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57 OPJ_UINT32 pw, ph;
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58 } opj_pi_resolution_t;
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59
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60 /**
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61 FIXME DOC
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62 */
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63 typedef struct opj_pi_comp {
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64 OPJ_UINT32 dx, dy;
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65 /** number of resolution levels */
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66 OPJ_UINT32 numresolutions;
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67 opj_pi_resolution_t *resolutions;
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68 } opj_pi_comp_t;
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69
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70 /**
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71 Packet iterator
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72 */
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73 typedef struct opj_pi_iterator {
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74 /** Enabling Tile part generation*/
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75 OPJ_BYTE tp_on;
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76 /** precise if the packet has been already used (useful for progression order change) */
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77 OPJ_INT16 *include;
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78 /** Number of elements in include array */
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79 OPJ_UINT32 include_size;
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80 /** layer step used to localize the packet in the include vector */
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81 OPJ_UINT32 step_l;
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82 /** resolution step used to localize the packet in the include vector */
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83 OPJ_UINT32 step_r;
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84 /** component step used to localize the packet in the include vector */
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85 OPJ_UINT32 step_c;
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86 /** precinct step used to localize the packet in the include vector */
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87 OPJ_UINT32 step_p;
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88 /** component that identify the packet */
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89 OPJ_UINT32 compno;
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90 /** resolution that identify the packet */
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91 OPJ_UINT32 resno;
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92 /** precinct that identify the packet */
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93 OPJ_UINT32 precno;
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94 /** layer that identify the packet */
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95 OPJ_UINT32 layno;
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96 /** 0 if the first packet */
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97 OPJ_BOOL first;
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98 /** progression order change information */
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99 opj_poc_t poc;
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100 /** number of components in the image */
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101 OPJ_UINT32 numcomps;
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102 /** Components*/
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103 opj_pi_comp_t *comps;
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104 /** FIXME DOC*/
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105 OPJ_UINT32 tx0, ty0, tx1, ty1;
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106 /** FIXME DOC*/
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107 OPJ_UINT32 x, y;
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108 /** FIXME DOC*/
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109 OPJ_UINT32 dx, dy;
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110 /** event manager */
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111 opj_event_mgr_t* manager;
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112 } opj_pi_iterator_t;
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113
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114 /** @name Exported functions */
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115 /*@{*/
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116 /* ----------------------------------------------------------------------- */
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117 /**
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118 * Creates a packet iterator for encoding.
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119 *
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120 * @param image the image being encoded.
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121 * @param cp the coding parameters.
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122 * @param tileno index of the tile being encoded.
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123 * @param t2_mode the type of pass for generating the packet iterator
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124 * @param manager Event manager
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125 *
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126 * @return a list of packet iterator that points to the first packet of the tile (not true).
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127 */
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128 opj_pi_iterator_t *opj_pi_initialise_encode(const opj_image_t *image,
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129 opj_cp_t *cp,
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130 OPJ_UINT32 tileno,
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131 J2K_T2_MODE t2_mode,
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132 opj_event_mgr_t* manager);
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133
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134 /**
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135 * Updates the encoding parameters of the codec.
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136 *
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137 * @param p_image the image being encoded.
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138 * @param p_cp the coding parameters.
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139 * @param p_tile_no index of the tile being encoded.
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140 */
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141 void opj_pi_update_encoding_parameters(const opj_image_t *p_image,
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142 opj_cp_t *p_cp,
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143 OPJ_UINT32 p_tile_no);
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144
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145 /**
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146 Modify the packet iterator for enabling tile part generation
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147 @param pi Handle to the packet iterator generated in pi_initialise_encode
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148 @param cp Coding parameters
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149 @param tileno Number that identifies the tile for which to list the packets
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150 @param pino FIXME DOC
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151 @param tpnum Tile part number of the current tile
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152 @param tppos The position of the tile part flag in the progression order
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153 @param t2_mode FIXME DOC
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154 */
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155 void opj_pi_create_encode(opj_pi_iterator_t *pi,
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156 opj_cp_t *cp,
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157 OPJ_UINT32 tileno,
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158 OPJ_UINT32 pino,
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159 OPJ_UINT32 tpnum,
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160 OPJ_INT32 tppos,
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161 J2K_T2_MODE t2_mode);
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162
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163 /**
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164 Create a packet iterator for Decoder
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165 @param image Raw image for which the packets will be listed
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166 @param cp Coding parameters
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167 @param tileno Number that identifies the tile for which to list the packets
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168 @param manager Event manager
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169 @return Returns a packet iterator that points to the first packet of the tile
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170 @see opj_pi_destroy
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171 */
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172 opj_pi_iterator_t *opj_pi_create_decode(opj_image_t * image,
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173 opj_cp_t * cp,
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174 OPJ_UINT32 tileno,
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175 opj_event_mgr_t* manager);
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176 /**
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177 * Destroys a packet iterator array.
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178 *
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179 * @param p_pi the packet iterator array to destroy.
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180 * @param p_nb_elements the number of elements in the array.
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181 */
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182 void opj_pi_destroy(opj_pi_iterator_t *p_pi,
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183 OPJ_UINT32 p_nb_elements);
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184
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185 /**
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186 Modify the packet iterator to point to the next packet
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187 @param pi Packet iterator to modify
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188 @return Returns false if pi pointed to the last packet or else returns true
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189 */
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190 OPJ_BOOL opj_pi_next(opj_pi_iterator_t * pi);
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191
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192 /**
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193 * Return the number of packets in the tile.
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194 * @param image the image being encoded.
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195 * @param cp Coding parameters
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196 * @param tileno Number that identifies the tile.
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197 */
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198 OPJ_UINT32 opj_get_encoding_packet_count(const opj_image_t *p_image,
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199 const opj_cp_t *p_cp,
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parents:
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200 OPJ_UINT32 p_tile_no);
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Franz Glasner <fzglas.hg@dom66.de>
parents:
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201
b50eed0cc0ef ADD: MuPDF v1.26.7: the MuPDF source as downloaded by a default build of PyMuPDF 1.26.4.
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parents:
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202 /* ----------------------------------------------------------------------- */
b50eed0cc0ef ADD: MuPDF v1.26.7: the MuPDF source as downloaded by a default build of PyMuPDF 1.26.4.
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parents:
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203 /*@}*/
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parents:
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204
b50eed0cc0ef ADD: MuPDF v1.26.7: the MuPDF source as downloaded by a default build of PyMuPDF 1.26.4.
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parents:
diff changeset
205 /*@}*/
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parents:
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206
b50eed0cc0ef ADD: MuPDF v1.26.7: the MuPDF source as downloaded by a default build of PyMuPDF 1.26.4.
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parents:
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207 #endif /* OPJ_PI_H */