Mercurial > hg > orthanc
annotate Core/Images/PixelTraits.h @ 2932:00504dcc996f
"SynchronousCMove" is now "true" by default
author | Sebastien Jodogne <s.jodogne@gmail.com> |
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date | Thu, 15 Nov 2018 11:35:35 +0100 |
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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 #include <limits> |
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39 |
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40 namespace Orthanc |
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41 { |
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42 template <PixelFormat format, |
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43 typename _PixelType> |
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44 struct IntegerPixelTraits |
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45 { |
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46 typedef _PixelType PixelType; |
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47 |
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48 ORTHANC_FORCE_INLINE |
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49 static PixelFormat GetPixelFormat() |
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50 { |
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51 return format; |
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52 } |
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53 |
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54 ORTHANC_FORCE_INLINE |
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55 static PixelType IntegerToPixel(int64_t value) |
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56 { |
2895 | 57 if (value < static_cast<int64_t>(std::numeric_limits<PixelType>::min())) |
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58 { |
2895 | 59 return std::numeric_limits<PixelType>::min(); |
60 } | |
61 else if (value > static_cast<int64_t>(std::numeric_limits<PixelType>::max())) | |
62 { | |
63 return std::numeric_limits<PixelType>::max(); | |
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64 } |
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65 else |
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66 { |
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67 return static_cast<PixelType>(value); |
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68 } |
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69 } |
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70 |
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71 ORTHANC_FORCE_INLINE |
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72 static void SetZero(PixelType& target) |
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73 { |
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74 target = 0; |
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75 } |
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76 |
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77 ORTHANC_FORCE_INLINE |
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78 static void SetMinValue(PixelType& target) |
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79 { |
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80 target = std::numeric_limits<PixelType>::min(); |
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81 } |
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82 |
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83 ORTHANC_FORCE_INLINE |
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84 static void SetMaxValue(PixelType& target) |
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85 { |
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86 target = std::numeric_limits<PixelType>::max(); |
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87 } |
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88 |
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89 ORTHANC_FORCE_INLINE |
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90 static void Copy(PixelType& target, |
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91 const PixelType& source) |
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92 { |
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93 target = source; |
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94 } |
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95 |
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96 ORTHANC_FORCE_INLINE |
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97 static float PixelToFloat(const PixelType& source) |
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98 { |
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99 return static_cast<float>(source); |
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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 FloatToPixel(PixelType& target, |
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104 float value) |
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105 { |
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106 if (value < static_cast<float>(std::numeric_limits<PixelType>::min())) |
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107 { |
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108 target = std::numeric_limits<PixelType>::min(); |
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109 } |
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110 else if (value > static_cast<float>(std::numeric_limits<PixelType>::max())) |
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111 { |
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112 target = std::numeric_limits<PixelType>::max(); |
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113 } |
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114 else |
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115 { |
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116 target = static_cast<PixelType>(value); |
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117 } |
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118 } |
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119 |
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120 ORTHANC_FORCE_INLINE |
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121 static bool IsEqual(const PixelType& a, |
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122 const PixelType& b) |
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123 { |
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124 return a == b; |
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125 } |
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126 }; |
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127 |
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128 |
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129 template <PixelFormat Format> |
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130 struct PixelTraits; |
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131 |
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132 |
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133 template <> |
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134 struct PixelTraits<PixelFormat_Grayscale8> : |
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135 public IntegerPixelTraits<PixelFormat_Grayscale8, uint8_t> |
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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 template <> |
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141 struct PixelTraits<PixelFormat_Grayscale16> : |
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142 public IntegerPixelTraits<PixelFormat_Grayscale16, uint16_t> |
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143 { |
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144 }; |
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145 |
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146 |
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147 template <> |
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148 struct PixelTraits<PixelFormat_SignedGrayscale16> : |
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149 public IntegerPixelTraits<PixelFormat_SignedGrayscale16, int16_t> |
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150 { |
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151 }; |
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152 |
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153 |
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154 template <> |
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155 struct PixelTraits<PixelFormat_Grayscale32> : |
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156 public IntegerPixelTraits<PixelFormat_Grayscale32, uint32_t> |
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157 { |
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158 }; |
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159 |
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160 |
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161 template <> |
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162 struct PixelTraits<PixelFormat_Grayscale64> : |
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163 public IntegerPixelTraits<PixelFormat_Grayscale64, uint64_t> |
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164 { |
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165 }; |
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166 |
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167 |
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168 template <> |
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169 struct PixelTraits<PixelFormat_RGB24> |
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170 { |
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171 struct PixelType |
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172 { |
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173 uint8_t red_; |
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174 uint8_t green_; |
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175 uint8_t blue_; |
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176 }; |
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177 |
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178 ORTHANC_FORCE_INLINE |
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179 static PixelFormat GetPixelFormat() |
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180 { |
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181 return PixelFormat_RGB24; |
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182 } |
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183 |
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184 ORTHANC_FORCE_INLINE |
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185 static void SetZero(PixelType& target) |
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186 { |
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187 target.red_ = 0; |
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188 target.green_ = 0; |
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189 target.blue_ = 0; |
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190 } |
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191 |
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192 ORTHANC_FORCE_INLINE |
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193 static void Copy(PixelType& target, |
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194 const PixelType& source) |
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195 { |
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196 target.red_ = source.red_; |
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197 target.green_ = source.green_; |
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198 target.blue_ = source.blue_; |
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199 } |
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200 |
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201 ORTHANC_FORCE_INLINE |
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202 static bool IsEqual(const PixelType& a, |
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203 const PixelType& b) |
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204 { |
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205 return (a.red_ == b.red_ && |
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206 a.green_ == b.green_ && |
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207 a.blue_ == b.blue_); |
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208 } |
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209 |
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210 ORTHANC_FORCE_INLINE |
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211 static void FloatToPixel(PixelType& target, |
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212 float value) |
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213 { |
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214 uint8_t v; |
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215 PixelTraits<PixelFormat_Grayscale8>::FloatToPixel(v, value); |
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216 |
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217 target.red_ = v; |
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218 target.green_ = v; |
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219 target.blue_ = v; |
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220 } |
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221 }; |
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222 |
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223 |
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224 template <> |
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225 struct PixelTraits<PixelFormat_BGRA32> |
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226 { |
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227 struct PixelType |
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228 { |
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229 uint8_t blue_; |
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230 uint8_t green_; |
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231 uint8_t red_; |
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232 uint8_t alpha_; |
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233 }; |
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234 |
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235 ORTHANC_FORCE_INLINE |
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236 static PixelFormat GetPixelFormat() |
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237 { |
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238 return PixelFormat_BGRA32; |
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239 } |
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240 |
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241 ORTHANC_FORCE_INLINE |
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242 static void SetZero(PixelType& target) |
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243 { |
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244 target.blue_ = 0; |
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245 target.green_ = 0; |
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246 target.red_ = 0; |
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247 target.alpha_ = 0; |
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248 } |
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249 |
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250 ORTHANC_FORCE_INLINE |
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251 static void Copy(PixelType& target, |
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252 const PixelType& source) |
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253 { |
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254 target.blue_ = source.blue_; |
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255 target.green_ = source.green_; |
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256 target.red_ = source.red_; |
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257 target.alpha_ = source.alpha_; |
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258 } |
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259 |
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260 ORTHANC_FORCE_INLINE |
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261 static bool IsEqual(const PixelType& a, |
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262 const PixelType& b) |
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263 { |
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264 return (a.blue_ == b.blue_ && |
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265 a.green_ == b.green_ && |
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266 a.red_ == b.red_ && |
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267 a.alpha_ == b.alpha_); |
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268 } |
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269 |
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270 ORTHANC_FORCE_INLINE |
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271 static void FloatToPixel(PixelType& target, |
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272 float value) |
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273 { |
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274 uint8_t v; |
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275 PixelTraits<PixelFormat_Grayscale8>::FloatToPixel(v, value); |
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276 |
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277 target.blue_ = v; |
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278 target.green_ = v; |
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279 target.red_ = v; |
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280 target.alpha_ = 255; |
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281 } |
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282 }; |
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283 |
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284 |
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285 template <> |
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286 struct PixelTraits<PixelFormat_RGBA32> |
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287 { |
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288 struct PixelType |
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289 { |
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290 uint8_t red_; |
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291 uint8_t green_; |
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292 uint8_t blue_; |
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293 uint8_t alpha_; |
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294 }; |
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295 |
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296 ORTHANC_FORCE_INLINE |
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297 static PixelFormat GetPixelFormat() |
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298 { |
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299 return PixelFormat_RGBA32; |
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300 } |
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301 |
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302 ORTHANC_FORCE_INLINE |
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303 static void SetZero(PixelType& target) |
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304 { |
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305 target.red_ = 0; |
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306 target.green_ = 0; |
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307 target.blue_ = 0; |
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308 target.alpha_ = 0; |
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309 } |
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310 |
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311 ORTHANC_FORCE_INLINE |
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312 static void Copy(PixelType& target, |
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313 const PixelType& source) |
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314 { |
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315 target.red_ = source.red_; |
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316 target.green_ = source.green_; |
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317 target.blue_ = source.blue_; |
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318 target.alpha_ = source.alpha_; |
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319 } |
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320 |
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321 ORTHANC_FORCE_INLINE |
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322 static bool IsEqual(const PixelType& a, |
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323 const PixelType& b) |
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324 { |
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325 return (a.red_ == b.red_ && |
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326 a.green_ == b.green_ && |
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327 a.blue_ == b.blue_ && |
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328 a.alpha_ == b.alpha_); |
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329 } |
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330 |
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331 ORTHANC_FORCE_INLINE |
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332 static void FloatToPixel(PixelType& target, |
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333 float value) |
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334 { |
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335 uint8_t v; |
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336 PixelTraits<PixelFormat_Grayscale8>::FloatToPixel(v, value); |
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337 |
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338 target.red_ = v; |
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339 target.green_ = v; |
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340 target.blue_ = v; |
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341 target.alpha_ = 255; |
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342 } |
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343 }; |
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344 |
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345 |
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346 template <> |
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347 struct PixelTraits<PixelFormat_Float32> |
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348 { |
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349 typedef float PixelType; |
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350 |
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351 ORTHANC_FORCE_INLINE |
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352 static PixelFormat GetPixelFormat() |
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353 { |
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354 return PixelFormat_Float32; |
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355 } |
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356 |
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357 ORTHANC_FORCE_INLINE |
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358 static void SetZero(PixelType& target) |
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359 { |
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360 target = 0.0f; |
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361 } |
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362 |
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363 ORTHANC_FORCE_INLINE |
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364 static void Copy(PixelType& target, |
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365 const PixelType& source) |
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366 { |
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367 target = source; |
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368 } |
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369 |
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370 ORTHANC_FORCE_INLINE |
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371 static bool IsEqual(const PixelType& a, |
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372 const PixelType& b) |
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373 { |
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374 float tmp = (a - b); |
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375 |
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376 if (tmp < 0) |
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377 { |
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378 tmp = -tmp; |
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379 } |
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380 |
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381 return tmp <= std::numeric_limits<float>::epsilon(); |
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382 } |
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383 |
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384 ORTHANC_FORCE_INLINE |
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385 static void FloatToPixel(PixelType& target, |
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386 float value) |
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387 { |
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388 target = value; |
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389 } |
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390 |
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391 ORTHANC_FORCE_INLINE |
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392 static float PixelToFloat(const PixelType& source) |
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393 { |
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394 return source; |
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395 } |
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396 }; |
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397 } |