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annotate Framework/ColorSpaces.h @ 334:f011fc199b6a default tip

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author Sebastien Jodogne <s.jodogne@gmail.com>
date Fri, 18 Oct 2024 15:44:18 +0200
parents cf828b381bc9
children
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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) 2017-2023 Osimis S.A., Belgium
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6 * Copyright (C) 2024-2024 Orthanc Team SRL, Belgium
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7 * Copyright (C) 2021-2024 Sebastien Jodogne, ICTEAM UCLouvain, Belgium
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8 *
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9 * This program is free software: you can redistribute it and/or
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10 * modify it under the terms of the GNU Affero General Public License
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11 * as published by the Free Software Foundation, either version 3 of
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12 * the License, or (at your option) any later version.
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13 *
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14 * This program is distributed in the hope that it will be useful, but
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15 * WITHOUT ANY WARRANTY; without even the implied warranty of
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16 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
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17 * Affero General Public License for more details.
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18 *
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19 * You should have received a copy of the GNU Affero General Public License
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20 * along with this program. If not, see <http://www.gnu.org/licenses/>.
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21 **/
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24 #pragma once
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26 #include <stdint.h>
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27 #include <string>
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30 namespace OrthancWSI
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31 {
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32 class sRGBColor;
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33 class XYZColor;
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34 class LABColor;
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35
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36
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37 class RGBColor
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38 {
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39 private:
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40 uint8_t r_;
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41 uint8_t g_;
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42 uint8_t b_;
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44 public:
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45 RGBColor(uint8_t r,
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46 uint8_t g,
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47 uint8_t b) :
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48 r_(r),
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49 g_(g),
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50 b_(b)
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51 {
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52 }
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53
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54 explicit RGBColor(const sRGBColor& srgb);
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56 uint8_t GetR() const
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57 {
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58 return r_;
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59 }
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61 uint8_t GetG() const
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62 {
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63 return g_;
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64 }
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65
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66 uint8_t GetB() const
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67 {
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68 return b_;
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69 }
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70 };
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71
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73 // Those correspond to Standard Illuminant D65
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74 // https://en.wikipedia.org/wiki/SRGB#From_CIE_XYZ_to_sRGB
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75 class sRGBColor
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76 {
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77 private:
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78 float r_;
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79 float g_;
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80 float b_;
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81
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82 public:
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83 sRGBColor(float r,
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84 float g,
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85 float b) :
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86 r_(r),
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87 g_(g),
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88 b_(b)
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89 {
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90 }
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91
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92 explicit sRGBColor(const RGBColor& rgb);
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93
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94 explicit sRGBColor(const XYZColor& xyz);
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95
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96 float GetR() const
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97 {
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98 return r_;
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99 }
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100
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101 float GetG() const
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102 {
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103 return g_;
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104 }
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105
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106 float GetB() const
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107 {
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108 return b_;
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109 }
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110 };
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111
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113 class XYZColor
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114 {
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115 private:
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116 float x_;
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117 float y_;
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118 float z_;
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119
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120 public:
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121 explicit XYZColor(const sRGBColor& srgb);
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122
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123 explicit XYZColor(const LABColor& lab);
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124
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125 float GetX() const
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126 {
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127 return x_;
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128 }
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129
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130 float GetY() const
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131 {
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132 return y_;
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133 }
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134
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135 float GetZ() const
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136 {
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137 return z_;
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138 }
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139 };
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140
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141
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142 class LABColor
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143 {
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144 private:
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145 float l_;
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146 float a_;
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147 float b_;
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148
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149 public:
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150 LABColor() :
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151 l_(0),
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152 a_(0),
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153 b_(0)
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154 {
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155 }
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156
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157 LABColor(float l,
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158 float a,
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159 float b) :
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160 l_(l),
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161 a_(a),
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162 b_(b)
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163 {
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164 }
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165
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166 explicit LABColor(const XYZColor& xyz);
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167
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168 float GetL() const
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169 {
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170 return l_;
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171 }
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172
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173 float GetA() const
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174 {
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175 return a_;
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176 }
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177
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178 float GetB() const
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179 {
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180 return b_;
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181 }
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182
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183 void EncodeDicomRecommendedAbsentPixelCIELab(uint16_t target[3]) const;
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184
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185 static LABColor DecodeDicomRecommendedAbsentPixelCIELab(uint16_t l,
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186 uint16_t a,
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187 uint16_t b);
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188
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189 static bool DecodeDicomRecommendedAbsentPixelCIELab(LABColor& target,
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190 const std::string& tag);
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191 };
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192 }