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PixelTraits and ImageTraits
author Sebastien Jodogne <s.jodogne@gmail.com>
date Tue, 13 Mar 2018 16:29:20 +0100
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children e91bab2d8c75
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2487
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1 /**
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2 * Orthanc - A Lightweight, RESTful DICOM Store
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3 * Copyright (C) 2012-2016 Sebastien Jodogne, Medical Physics
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4 * Department, University Hospital of Liege, Belgium
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5 * Copyright (C) 2017-2018 Osimis S.A., Belgium
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6 *
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7 * This program is free software: you can redistribute it and/or
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8 * modify it under the terms of the GNU General Public License as
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9 * published by the Free Software Foundation, either version 3 of the
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10 * License, or (at your option) any later version.
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11 *
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12 * In addition, as a special exception, the copyright holders of this
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13 * program give permission to link the code of its release with the
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14 * OpenSSL project's "OpenSSL" library (or with modified versions of it
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15 * that use the same license as the "OpenSSL" library), and distribute
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16 * the linked executables. You must obey the GNU General Public License
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17 * in all respects for all of the code used other than "OpenSSL". If you
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18 * modify file(s) with this exception, you may extend this exception to
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19 * your version of the file(s), but you are not obligated to do so. If
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20 * you do not wish to do so, delete this exception statement from your
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21 * version. If you delete this exception statement from all source files
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22 * in the program, then also delete it here.
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23 *
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24 * This program is distributed in the hope that it will be useful, but
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25 * WITHOUT ANY WARRANTY; without even the implied warranty of
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26 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
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27 * General Public License for more details.
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28 *
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29 * You should have received a copy of the GNU General Public License
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30 * along with this program. If not, see <http://www.gnu.org/licenses/>.
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31 **/
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32
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33
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34 #pragma once
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35
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36 #include "../Enumerations.h"
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37
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38
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39 namespace Orthanc
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40 {
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41 template <PixelFormat Format>
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42 struct PixelTraits;
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43
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44
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45 template <>
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46 struct PixelTraits<PixelFormat_Grayscale8>
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47 {
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48 typedef uint8_t PixelType;
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49
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50 ORTHANC_FORCE_INLINE
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51 static PixelFormat GetPixelFormat()
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52 {
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53 return PixelFormat_Grayscale8;
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54 }
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55
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56 ORTHANC_FORCE_INLINE
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57 static void SetZero(PixelType& target)
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58 {
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59 target = 0;
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60 }
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61
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62 ORTHANC_FORCE_INLINE
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63 static void Copy(PixelType& target,
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64 const PixelType& source)
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65 {
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66 target = source;
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67 }
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68
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69 ORTHANC_FORCE_INLINE
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70 static float PixelToFloat(const PixelType& source)
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71 {
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72 return static_cast<float>(source);
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73 }
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74
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75 ORTHANC_FORCE_INLINE
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76 static void FloatToPixel(PixelType& target,
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77 float value)
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78 {
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79 target = static_cast<uint8_t>(value);
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80 }
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81
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82 ORTHANC_FORCE_INLINE
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83 static bool IsEqual(const PixelType& a,
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84 const PixelType& b)
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85 {
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86 return a == b;
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87 }
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88 };
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89
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90
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91 template <>
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92 struct PixelTraits<PixelFormat_Grayscale16>
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93 {
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94 typedef uint16_t PixelType;
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95
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96 ORTHANC_FORCE_INLINE
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97 static PixelFormat GetPixelFormat()
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98 {
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99 return PixelFormat_Grayscale16;
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100 }
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101
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102 ORTHANC_FORCE_INLINE
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103 static void SetZero(PixelType& target)
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104 {
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105 target = 0;
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106 }
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107
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108 ORTHANC_FORCE_INLINE
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109 static void Copy(PixelType& target,
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110 const PixelType& source)
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111 {
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112 target = source;
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113 }
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114
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115 ORTHANC_FORCE_INLINE
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116 static float PixelToFloat(const PixelType& source)
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117 {
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118 return static_cast<float>(source);
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119 }
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120
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121 ORTHANC_FORCE_INLINE
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122 static void FloatToPixel(PixelType& target,
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123 float value)
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124 {
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125 target = static_cast<uint16_t>(value);
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126 }
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127
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128 ORTHANC_FORCE_INLINE
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129 static bool IsEqual(const PixelType& a,
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130 const PixelType& b)
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131 {
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132 return a == b;
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133 }
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134 };
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135
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136
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137 template <>
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138 struct PixelTraits<PixelFormat_SignedGrayscale16>
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139 {
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140 typedef int16_t PixelType;
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141
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142 ORTHANC_FORCE_INLINE
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143 static PixelFormat GetPixelFormat()
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144 {
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145 return PixelFormat_SignedGrayscale16;
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146 }
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147
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148 ORTHANC_FORCE_INLINE
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149 static void SetZero(PixelType& target)
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150 {
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151 target = 0;
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152 }
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153
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154 ORTHANC_FORCE_INLINE
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155 static void Copy(PixelType& target,
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156 const PixelType& source)
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157 {
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158 target = source;
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159 }
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160
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161 ORTHANC_FORCE_INLINE
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162 static float PixelToFloat(const PixelType& source)
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163 {
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164 return static_cast<float>(source);
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165 }
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166
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167 ORTHANC_FORCE_INLINE
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168 static void FloatToPixel(PixelType& target,
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169 float value)
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170 {
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171 target = static_cast<int16_t>(value);
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172 }
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173
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174 ORTHANC_FORCE_INLINE
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175 static bool IsEqual(const PixelType& a,
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176 const PixelType& b)
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177 {
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178 return a == b;
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179 }
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180 };
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181
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182
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183 template <>
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184 struct PixelTraits<PixelFormat_RGB24>
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185 {
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186 struct PixelType
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187 {
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188 uint8_t red_;
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189 uint8_t green_;
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190 uint8_t blue_;
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191 };
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192
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193 ORTHANC_FORCE_INLINE
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194 static PixelFormat GetPixelFormat()
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195 {
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196 return PixelFormat_RGB24;
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197 }
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198
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199 ORTHANC_FORCE_INLINE
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200 static void SetZero(PixelType& target)
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201 {
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202 target.red_ = 0;
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203 target.green_ = 0;
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204 target.blue_ = 0;
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205 }
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206
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207 ORTHANC_FORCE_INLINE
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208 static void Copy(PixelType& target,
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209 const PixelType& source)
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210 {
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211 target.red_ = source.red_;
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212 target.green_ = source.green_;
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213 target.blue_ = source.blue_;
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214 }
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215
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216 ORTHANC_FORCE_INLINE
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217 static bool IsEqual(const PixelType& a,
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218 const PixelType& b)
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219 {
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220 return (a.red_ == b.red_ &&
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221 a.green_ == b.green_ &&
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222 a.blue_ == b.blue_);
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223 }
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224 };
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225
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226
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227 template <>
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228 struct PixelTraits<PixelFormat_BGRA32>
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229 {
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230 struct PixelType
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231 {
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232 uint8_t blue_;
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233 uint8_t green_;
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234 uint8_t red_;
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235 uint8_t alpha_;
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236 };
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237
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238 ORTHANC_FORCE_INLINE
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239 static PixelFormat GetPixelFormat()
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240 {
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241 return PixelFormat_BGRA32;
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242 }
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243
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244 ORTHANC_FORCE_INLINE
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245 static void SetZero(PixelType& target)
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246 {
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247 target.blue_ = 0;
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248 target.green_ = 0;
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249 target.red_ = 0;
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250 target.alpha_ = 0;
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251 }
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252
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253 ORTHANC_FORCE_INLINE
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254 static void Copy(PixelType& target,
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255 const PixelType& source)
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256 {
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257 target.blue_ = source.blue_;
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258 target.green_ = source.green_;
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259 target.red_ = source.red_;
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260 target.alpha_ = source.alpha_;
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261 }
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262
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263 ORTHANC_FORCE_INLINE
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264 static bool IsEqual(const PixelType& a,
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265 const PixelType& b)
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266 {
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267 return (a.blue_ == b.blue_ &&
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268 a.green_ == b.green_ &&
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269 a.red_ == b.red_ &&
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270 a.alpha_ == b.alpha_);
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271 }
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272 };
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273 }