Mercurial > hgrepos > Python2 > PyMuPDF

annotate mupdf-source/thirdparty/openjpeg/src/lib/openjp2/mct.h @ 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 /*
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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 * All rights reserved.
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17 *
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18 * Redistribution and use in source and binary forms, with or without
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19 * modification, are permitted provided that the following conditions
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20 * are met:
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21 * 1. Redistributions of source code must retain the above copyright
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22 * notice, this list of conditions and the following disclaimer.
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23 * 2. Redistributions in binary form must reproduce the above copyright
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24 * notice, this list of conditions and the following disclaimer in the
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25 * documentation and/or other materials provided with the distribution.
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26 *
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27 * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS `AS IS'
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28 * AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
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29 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
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30 * ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR CONTRIBUTORS BE
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31 * LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
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32 * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
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33 * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
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34 * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
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35 * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
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36 * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
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37 * POSSIBILITY OF SUCH DAMAGE.
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38 */
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39
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40 #ifndef OPJ_MCT_H
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41 #define OPJ_MCT_H
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42 /**
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43 @file mct.h
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44 @brief Implementation of a multi-component transforms (MCT)
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45
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46 The functions in MCT.C have for goal to realize reversible and irreversible multicomponent
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47 transform. The functions in MCT.C are used by some function in TCD.C.
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48 */
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49
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50 /** @defgroup MCT MCT - Implementation of a multi-component transform */
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51 /*@{*/
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52
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53 /** @name Exported functions */
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54 /*@{*/
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55 /* ----------------------------------------------------------------------- */
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56 /**
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57 Apply a reversible multi-component transform to an image
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58 @param c0 Samples for red component
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59 @param c1 Samples for green component
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60 @param c2 Samples blue component
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61 @param n Number of samples for each component
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62 */
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63 void opj_mct_encode(OPJ_INT32* OPJ_RESTRICT c0, OPJ_INT32* OPJ_RESTRICT c1,
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64 OPJ_INT32* OPJ_RESTRICT c2, OPJ_SIZE_T n);
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65 /**
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66 Apply a reversible multi-component inverse transform to an image
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67 @param c0 Samples for luminance component
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68 @param c1 Samples for red chrominance component
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69 @param c2 Samples for blue chrominance component
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70 @param n Number of samples for each component
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71 */
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72 void opj_mct_decode(OPJ_INT32* OPJ_RESTRICT c0, OPJ_INT32* OPJ_RESTRICT c1,
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73 OPJ_INT32* OPJ_RESTRICT c2, OPJ_SIZE_T n);
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74 /**
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75 Get norm of the basis function used for the reversible multi-component transform
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76 @param compno Number of the component (0->Y, 1->U, 2->V)
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77 @return
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78 */
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79 OPJ_FLOAT64 opj_mct_getnorm(OPJ_UINT32 compno);
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80
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81 /**
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82 Apply an irreversible multi-component transform to an image
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83 @param c0 Samples for red component
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84 @param c1 Samples for green component
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85 @param c2 Samples blue component
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86 @param n Number of samples for each component
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87 */
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88 void opj_mct_encode_real(OPJ_FLOAT32* OPJ_RESTRICT c0,
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89 OPJ_FLOAT32* OPJ_RESTRICT c1,
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90 OPJ_FLOAT32* OPJ_RESTRICT c2, OPJ_SIZE_T n);
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91 /**
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92 Apply an irreversible multi-component inverse transform to an image
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93 @param c0 Samples for luminance component
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94 @param c1 Samples for red chrominance component
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95 @param c2 Samples for blue chrominance component
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96 @param n Number of samples for each component
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97 */
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98 void opj_mct_decode_real(OPJ_FLOAT32* OPJ_RESTRICT c0,
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99 OPJ_FLOAT32* OPJ_RESTRICT c1, OPJ_FLOAT32* OPJ_RESTRICT c2, OPJ_SIZE_T n);
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100 /**
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101 Get norm of the basis function used for the irreversible multi-component transform
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102 @param compno Number of the component (0->Y, 1->U, 2->V)
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103 @return
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104 */
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105 OPJ_FLOAT64 opj_mct_getnorm_real(OPJ_UINT32 compno);
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106
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107 /**
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108 FIXME DOC
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109 @param p_coding_data MCT data
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110 @param n size of components
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111 @param p_data components
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112 @param p_nb_comp nb of components (i.e. size of p_data)
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113 @param is_signed tells if the data is signed
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114 @return OPJ_FALSE if function encounter a problem, OPJ_TRUE otherwise
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115 */
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116 OPJ_BOOL opj_mct_encode_custom(
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117 OPJ_BYTE * p_coding_data,
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118 OPJ_SIZE_T n,
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119 OPJ_BYTE ** p_data,
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120 OPJ_UINT32 p_nb_comp,
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121 OPJ_UINT32 is_signed);
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122 /**
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123 FIXME DOC
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124 @param pDecodingData MCT data
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125 @param n size of components
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126 @param pData components
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127 @param pNbComp nb of components (i.e. size of p_data)
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128 @param isSigned tells if the data is signed
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129 @return OPJ_FALSE if function encounter a problem, OPJ_TRUE otherwise
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130 */
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131 OPJ_BOOL opj_mct_decode_custom(
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132 OPJ_BYTE * pDecodingData,
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133 OPJ_SIZE_T n,
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134 OPJ_BYTE ** pData,
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135 OPJ_UINT32 pNbComp,
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136 OPJ_UINT32 isSigned);
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137 /**
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138 FIXME DOC
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139 @param pNorms MCT data
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140 @param p_nb_comps size of components
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141 @param pMatrix components
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142 @return
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143 */
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144 void opj_calculate_norms(OPJ_FLOAT64 * pNorms,
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145 OPJ_UINT32 p_nb_comps,
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146 OPJ_FLOAT32 * pMatrix);
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147 /**
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148 FIXME DOC
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149 */
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150 const OPJ_FLOAT64 * opj_mct_get_mct_norms(void);
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151 /**
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152 FIXME DOC
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153 */
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154 const OPJ_FLOAT64 * opj_mct_get_mct_norms_real(void);
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155 /* ----------------------------------------------------------------------- */
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156 /*@}*/
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157
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158 /*@}*/
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159
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160 #endif /* OPJ_MCT_H */