Mercurial > hg > orthanc
annotate OrthancFramework/Sources/Images/PixelTraits.h @ 5031:eec3e4a91663 delayed-deletion
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author | Alain Mazy <am@osimis.io> |
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date | Tue, 21 Jun 2022 17:29:36 +0200 |
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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) 2017-2022 Osimis S.A., Belgium |
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6 * Copyright (C) 2021-2022 Sebastien Jodogne, ICTEAM UCLouvain, Belgium |
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7 * |
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8 * This program is free software: you can redistribute it and/or |
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9 * modify it under the terms of the GNU Lesser General Public License |
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10 * as published by the Free Software Foundation, either version 3 of |
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11 * the License, or (at your option) any later version. |
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12 * |
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13 * This program is distributed in the hope that it will be useful, but |
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14 * WITHOUT ANY WARRANTY; without even the implied warranty of |
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15 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU |
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16 * Lesser General Public License for more details. |
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17 * |
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18 * You should have received a copy of the GNU Lesser General Public |
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19 * License along with this program. If not, see |
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20 * <http://www.gnu.org/licenses/>. |
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21 **/ |
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22 |
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23 |
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24 #pragma once |
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25 |
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26 #include "../Compatibility.h" // For ORTHANC_FORCE_INLINE |
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27 #include "../Enumerations.h" |
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28 |
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29 #include <limits> |
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30 |
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31 namespace Orthanc |
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32 { |
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33 template <PixelFormat format, |
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34 typename _PixelType> |
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35 struct IntegerPixelTraits |
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36 { |
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37 typedef _PixelType PixelType; |
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38 |
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39 ORTHANC_FORCE_INLINE |
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40 static PixelFormat GetPixelFormat() |
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41 { |
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42 return format; |
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43 } |
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44 |
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45 ORTHANC_FORCE_INLINE |
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46 static PixelType IntegerToPixel(int64_t value) |
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47 { |
2895 | 48 if (value < static_cast<int64_t>(std::numeric_limits<PixelType>::min())) |
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49 { |
2895 | 50 return std::numeric_limits<PixelType>::min(); |
51 } | |
52 else if (value > static_cast<int64_t>(std::numeric_limits<PixelType>::max())) | |
53 { | |
54 return std::numeric_limits<PixelType>::max(); | |
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55 } |
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56 else |
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57 { |
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58 return static_cast<PixelType>(value); |
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59 } |
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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 SetZero(PixelType& target) |
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64 { |
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65 target = 0; |
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66 } |
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67 |
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68 ORTHANC_FORCE_INLINE |
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69 static void SetMinValue(PixelType& target) |
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70 { |
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71 target = std::numeric_limits<PixelType>::min(); |
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72 } |
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73 |
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74 ORTHANC_FORCE_INLINE |
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75 static void SetMaxValue(PixelType& target) |
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76 { |
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77 target = std::numeric_limits<PixelType>::max(); |
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78 } |
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79 |
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80 ORTHANC_FORCE_INLINE |
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81 static void Copy(PixelType& target, |
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82 const PixelType& source) |
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83 { |
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84 target = source; |
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85 } |
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86 |
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87 ORTHANC_FORCE_INLINE |
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88 static float PixelToFloat(const PixelType& source) |
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89 { |
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90 return static_cast<float>(source); |
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91 } |
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92 |
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93 ORTHANC_FORCE_INLINE |
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94 static void FloatToPixel(PixelType& target, |
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95 float value) |
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96 { |
3263 | 97 value += 0.5f; |
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98 if (value < static_cast<float>(std::numeric_limits<PixelType>::min())) |
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99 { |
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100 target = std::numeric_limits<PixelType>::min(); |
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101 } |
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102 else if (value > static_cast<float>(std::numeric_limits<PixelType>::max())) |
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103 { |
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104 target = std::numeric_limits<PixelType>::max(); |
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105 } |
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106 else |
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107 { |
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108 target = static_cast<PixelType>(value); |
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109 } |
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110 } |
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111 |
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112 ORTHANC_FORCE_INLINE |
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113 static bool IsEqual(const PixelType& a, |
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114 const PixelType& b) |
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115 { |
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116 return a == b; |
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117 } |
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118 }; |
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119 |
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120 |
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121 template <PixelFormat Format> |
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122 struct PixelTraits; |
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123 |
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124 |
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125 template <> |
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126 struct PixelTraits<PixelFormat_Grayscale8> : |
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127 public IntegerPixelTraits<PixelFormat_Grayscale8, uint8_t> |
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128 { |
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129 }; |
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130 |
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131 |
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132 template <> |
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133 struct PixelTraits<PixelFormat_Grayscale16> : |
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134 public IntegerPixelTraits<PixelFormat_Grayscale16, uint16_t> |
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135 { |
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136 }; |
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137 |
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138 |
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139 template <> |
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140 struct PixelTraits<PixelFormat_SignedGrayscale16> : |
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141 public IntegerPixelTraits<PixelFormat_SignedGrayscale16, int16_t> |
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142 { |
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143 }; |
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144 |
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145 |
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146 template <> |
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147 struct PixelTraits<PixelFormat_Grayscale32> : |
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148 public IntegerPixelTraits<PixelFormat_Grayscale32, uint32_t> |
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149 { |
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150 }; |
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151 |
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152 |
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153 template <> |
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154 struct PixelTraits<PixelFormat_Grayscale64> : |
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155 public IntegerPixelTraits<PixelFormat_Grayscale64, uint64_t> |
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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 template <> |
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161 struct PixelTraits<PixelFormat_RGB24> |
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162 { |
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163 struct PixelType |
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164 { |
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165 uint8_t red_; |
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166 uint8_t green_; |
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167 uint8_t blue_; |
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168 }; |
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169 |
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170 ORTHANC_FORCE_INLINE |
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171 static PixelFormat GetPixelFormat() |
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172 { |
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173 return PixelFormat_RGB24; |
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174 } |
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175 |
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176 ORTHANC_FORCE_INLINE |
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177 static void SetZero(PixelType& target) |
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178 { |
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179 target.red_ = 0; |
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180 target.green_ = 0; |
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181 target.blue_ = 0; |
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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 Copy(PixelType& target, |
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186 const PixelType& source) |
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187 { |
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188 target.red_ = source.red_; |
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189 target.green_ = source.green_; |
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190 target.blue_ = source.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 bool IsEqual(const PixelType& a, |
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195 const PixelType& b) |
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196 { |
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197 return (a.red_ == b.red_ && |
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198 a.green_ == b.green_ && |
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199 a.blue_ == b.blue_); |
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200 } |
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201 |
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202 ORTHANC_FORCE_INLINE |
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203 static void FloatToPixel(PixelType& target, |
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204 float value) |
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205 { |
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206 uint8_t v; |
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207 PixelTraits<PixelFormat_Grayscale8>::FloatToPixel(v, value); |
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208 |
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209 target.red_ = v; |
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210 target.green_ = v; |
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211 target.blue_ = v; |
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212 } |
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213 }; |
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214 |
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215 |
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216 template <> |
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217 struct PixelTraits<PixelFormat_BGRA32> |
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218 { |
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219 struct PixelType |
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220 { |
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221 uint8_t blue_; |
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222 uint8_t green_; |
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223 uint8_t red_; |
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224 uint8_t alpha_; |
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225 }; |
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226 |
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227 ORTHANC_FORCE_INLINE |
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228 static PixelFormat GetPixelFormat() |
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229 { |
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230 return PixelFormat_BGRA32; |
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231 } |
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232 |
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233 ORTHANC_FORCE_INLINE |
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234 static void SetZero(PixelType& target) |
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235 { |
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236 target.blue_ = 0; |
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237 target.green_ = 0; |
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238 target.red_ = 0; |
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239 target.alpha_ = 0; |
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240 } |
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241 |
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242 ORTHANC_FORCE_INLINE |
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243 static void Copy(PixelType& target, |
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244 const PixelType& source) |
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245 { |
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246 target.blue_ = source.blue_; |
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247 target.green_ = source.green_; |
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248 target.red_ = source.red_; |
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249 target.alpha_ = source.alpha_; |
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250 } |
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251 |
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252 ORTHANC_FORCE_INLINE |
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253 static bool IsEqual(const PixelType& a, |
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254 const PixelType& b) |
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255 { |
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256 return (a.blue_ == b.blue_ && |
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257 a.green_ == b.green_ && |
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258 a.red_ == b.red_ && |
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259 a.alpha_ == b.alpha_); |
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260 } |
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261 |
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262 ORTHANC_FORCE_INLINE |
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263 static void FloatToPixel(PixelType& target, |
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264 float value) |
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265 { |
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266 uint8_t v; |
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267 PixelTraits<PixelFormat_Grayscale8>::FloatToPixel(v, value); |
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268 |
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269 target.blue_ = v; |
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270 target.green_ = v; |
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271 target.red_ = v; |
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272 target.alpha_ = 255; |
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273 } |
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274 }; |
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275 |
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276 |
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277 template <> |
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278 struct PixelTraits<PixelFormat_RGBA32> |
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279 { |
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280 struct PixelType |
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281 { |
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282 uint8_t red_; |
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283 uint8_t green_; |
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284 uint8_t blue_; |
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285 uint8_t alpha_; |
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286 }; |
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287 |
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288 ORTHANC_FORCE_INLINE |
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289 static PixelFormat GetPixelFormat() |
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290 { |
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291 return PixelFormat_RGBA32; |
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292 } |
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293 |
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294 ORTHANC_FORCE_INLINE |
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295 static void SetZero(PixelType& target) |
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296 { |
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297 target.red_ = 0; |
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298 target.green_ = 0; |
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299 target.blue_ = 0; |
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300 target.alpha_ = 0; |
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301 } |
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302 |
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303 ORTHANC_FORCE_INLINE |
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304 static void Copy(PixelType& target, |
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305 const PixelType& source) |
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306 { |
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307 target.red_ = source.red_; |
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308 target.green_ = source.green_; |
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309 target.blue_ = source.blue_; |
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310 target.alpha_ = source.alpha_; |
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311 } |
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312 |
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313 ORTHANC_FORCE_INLINE |
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314 static bool IsEqual(const PixelType& a, |
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315 const PixelType& b) |
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316 { |
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317 return (a.red_ == b.red_ && |
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318 a.green_ == b.green_ && |
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319 a.blue_ == b.blue_ && |
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320 a.alpha_ == b.alpha_); |
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321 } |
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322 |
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323 ORTHANC_FORCE_INLINE |
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324 static void FloatToPixel(PixelType& target, |
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325 float value) |
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326 { |
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327 uint8_t v; |
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328 PixelTraits<PixelFormat_Grayscale8>::FloatToPixel(v, value); |
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329 |
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330 target.red_ = v; |
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331 target.green_ = v; |
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332 target.blue_ = v; |
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333 target.alpha_ = 255; |
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334 } |
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335 }; |
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336 |
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337 |
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338 template <> |
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339 struct PixelTraits<PixelFormat_Float32> |
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340 { |
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341 typedef float PixelType; |
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342 |
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343 ORTHANC_FORCE_INLINE |
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344 static PixelFormat GetPixelFormat() |
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345 { |
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346 return PixelFormat_Float32; |
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347 } |
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348 |
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349 ORTHANC_FORCE_INLINE |
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350 static void SetZero(PixelType& target) |
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351 { |
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352 target = 0.0f; |
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353 } |
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354 |
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355 ORTHANC_FORCE_INLINE |
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356 static void Copy(PixelType& target, |
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357 const PixelType& source) |
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358 { |
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359 target = source; |
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360 } |
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361 |
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362 ORTHANC_FORCE_INLINE |
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363 static bool IsEqual(const PixelType& a, |
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364 const PixelType& b) |
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365 { |
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366 float tmp = (a - b); |
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367 |
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368 if (tmp < 0) |
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369 { |
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370 tmp = -tmp; |
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371 } |
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372 |
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373 return tmp <= std::numeric_limits<float>::epsilon(); |
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374 } |
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375 |
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376 ORTHANC_FORCE_INLINE |
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377 static void SetMinValue(PixelType& target) |
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378 { |
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379 // std::numeric_limits<float>::lowest is not supported on |
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380 // all compilers (for instance, Visual Studio 9.0 2008) |
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381 target = -std::numeric_limits<float>::max(); |
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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 SetMaxValue(PixelType& target) |
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386 { |
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387 target = std::numeric_limits<float>::max(); |
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388 } |
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389 |
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390 ORTHANC_FORCE_INLINE |
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391 static void FloatToPixel(PixelType& target, |
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392 float value) |
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393 { |
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394 target = value; |
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395 } |
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396 |
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397 ORTHANC_FORCE_INLINE |
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398 static float PixelToFloat(const PixelType& source) |
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399 { |
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400 return source; |
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401 } |
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402 }; |
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403 } |