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annotate OrthancFramework/Sources/Images/PixelTraits.h @ 5819:7c2b4fa94633 find-refactoring tip

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author Alain Mazy <am@orthanc.team>
date Fri, 27 Sep 2024 14:38:20 +0200
parents f7adfb22e20e
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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 Lesser 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 * Lesser 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 Lesser General Public
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20 * License along with this program. If not, see
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21 * <http://www.gnu.org/licenses/>.
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22 **/
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23
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24
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25 #pragma once
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26
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27 #include "../Compatibility.h" // For ORTHANC_FORCE_INLINE
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28 #include "../Enumerations.h"
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29
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30 #include <limits>
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31
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32 namespace Orthanc
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33 {
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34 template <PixelFormat format,
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35 typename _PixelType>
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36 struct IntegerPixelTraits
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37 {
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38 typedef _PixelType PixelType;
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39
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40 ORTHANC_FORCE_INLINE
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41 static PixelFormat GetPixelFormat()
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42 {
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43 return format;
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44 }
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45
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46 ORTHANC_FORCE_INLINE
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47 static PixelType IntegerToPixel(int64_t value)
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48 {
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49 if (value < static_cast<int64_t>(std::numeric_limits<PixelType>::min()))
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50 {
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51 return std::numeric_limits<PixelType>::min();
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52 }
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53 else if (value > static_cast<int64_t>(std::numeric_limits<PixelType>::max()))
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54 {
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55 return std::numeric_limits<PixelType>::max();
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56 }
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57 else
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58 {
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59 return static_cast<PixelType>(value);
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60 }
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61 }
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62
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63 ORTHANC_FORCE_INLINE
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64 static void SetZero(PixelType& target)
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65 {
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66 target = 0;
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67 }
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68
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69 ORTHANC_FORCE_INLINE
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70 static void SetMinValue(PixelType& target)
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71 {
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72 target = std::numeric_limits<PixelType>::min();
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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 SetMaxValue(PixelType& target)
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77 {
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78 target = std::numeric_limits<PixelType>::max();
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79 }
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80
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81 ORTHANC_FORCE_INLINE
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82 static void Copy(PixelType& target,
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83 const PixelType& source)
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84 {
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85 target = source;
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86 }
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87
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88 ORTHANC_FORCE_INLINE
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89 static float PixelToFloat(const PixelType& source)
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90 {
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91 return static_cast<float>(source);
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92 }
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93
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94 ORTHANC_FORCE_INLINE
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95 static void FloatToPixel(PixelType& target,
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96 float value)
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97 {
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98 value += 0.5f;
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99 if (value < static_cast<float>(std::numeric_limits<PixelType>::min()))
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100 {
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101 target = std::numeric_limits<PixelType>::min();
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102 }
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103 else if (value > static_cast<float>(std::numeric_limits<PixelType>::max()))
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104 {
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105 target = std::numeric_limits<PixelType>::max();
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106 }
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107 else
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108 {
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109 target = static_cast<PixelType>(value);
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110 }
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111 }
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112
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113 ORTHANC_FORCE_INLINE
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114 static bool IsEqual(const PixelType& a,
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115 const PixelType& b)
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116 {
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117 return a == b;
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118 }
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119 };
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120
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121
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122 template <PixelFormat Format>
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123 struct PixelTraits;
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124
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125
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126 template <>
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127 struct PixelTraits<PixelFormat_Grayscale8> :
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128 public IntegerPixelTraits<PixelFormat_Grayscale8, uint8_t>
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129 {
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130 };
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131
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132
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133 template <>
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134 struct PixelTraits<PixelFormat_Grayscale16> :
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135 public IntegerPixelTraits<PixelFormat_Grayscale16, uint16_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_SignedGrayscale16> :
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142 public IntegerPixelTraits<PixelFormat_SignedGrayscale16, int16_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_Grayscale32> :
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149 public IntegerPixelTraits<PixelFormat_Grayscale32, uint32_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_Grayscale64> :
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156 public IntegerPixelTraits<PixelFormat_Grayscale64, uint64_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_RGB24>
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163 {
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164 struct PixelType
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165 {
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166 uint8_t red_;
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167 uint8_t green_;
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168 uint8_t blue_;
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169 };
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170
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171 ORTHANC_FORCE_INLINE
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172 static PixelFormat GetPixelFormat()
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173 {
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174 return PixelFormat_RGB24;
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175 }
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176
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177 ORTHANC_FORCE_INLINE
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178 static void SetZero(PixelType& target)
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179 {
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180 target.red_ = 0;
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181 target.green_ = 0;
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182 target.blue_ = 0;
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183 }
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184
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185 ORTHANC_FORCE_INLINE
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186 static void Copy(PixelType& target,
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187 const PixelType& source)
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188 {
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189 target.red_ = source.red_;
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190 target.green_ = source.green_;
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191 target.blue_ = source.blue_;
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192 }
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193
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194 ORTHANC_FORCE_INLINE
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195 static bool IsEqual(const PixelType& a,
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196 const PixelType& b)
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197 {
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198 return (a.red_ == b.red_ &&
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199 a.green_ == b.green_ &&
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200 a.blue_ == b.blue_);
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201 }
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202
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203 ORTHANC_FORCE_INLINE
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204 static void FloatToPixel(PixelType& target,
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205 float value)
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206 {
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207 uint8_t v;
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208 PixelTraits<PixelFormat_Grayscale8>::FloatToPixel(v, value);
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209
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210 target.red_ = v;
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211 target.green_ = v;
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212 target.blue_ = v;
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213 }
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214 };
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215
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216
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217 template <>
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218 struct PixelTraits<PixelFormat_BGRA32>
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219 {
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220 struct PixelType
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221 {
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222 uint8_t blue_;
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223 uint8_t green_;
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224 uint8_t red_;
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225 uint8_t alpha_;
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226 };
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227
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228 ORTHANC_FORCE_INLINE
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229 static PixelFormat GetPixelFormat()
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230 {
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231 return PixelFormat_BGRA32;
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232 }
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233
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234 ORTHANC_FORCE_INLINE
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235 static void SetZero(PixelType& target)
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236 {
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237 target.blue_ = 0;
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238 target.green_ = 0;
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239 target.red_ = 0;
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240 target.alpha_ = 0;
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241 }
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242
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243 ORTHANC_FORCE_INLINE
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244 static void Copy(PixelType& target,
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245 const PixelType& source)
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246 {
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247 target.blue_ = source.blue_;
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248 target.green_ = source.green_;
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249 target.red_ = source.red_;
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250 target.alpha_ = source.alpha_;
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251 }
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252
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253 ORTHANC_FORCE_INLINE
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254 static bool IsEqual(const PixelType& a,
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255 const PixelType& b)
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256 {
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257 return (a.blue_ == b.blue_ &&
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258 a.green_ == b.green_ &&
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259 a.red_ == b.red_ &&
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260 a.alpha_ == b.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 void FloatToPixel(PixelType& target,
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265 float value)
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266 {
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267 uint8_t v;
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268 PixelTraits<PixelFormat_Grayscale8>::FloatToPixel(v, value);
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269
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270 target.blue_ = v;
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271 target.green_ = v;
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272 target.red_ = v;
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273 target.alpha_ = 255;
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274 }
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275 };
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276
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277
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278 template <>
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279 struct PixelTraits<PixelFormat_RGBA32>
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280 {
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281 struct PixelType
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282 {
65699fcb4e99 PixelTraits<PixelFormat_RGBA32>
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283 uint8_t red_;
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284 uint8_t green_;
65699fcb4e99 PixelTraits<PixelFormat_RGBA32>
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285 uint8_t blue_;
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286 uint8_t alpha_;
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287 };
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288
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289 ORTHANC_FORCE_INLINE
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290 static PixelFormat GetPixelFormat()
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291 {
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292 return PixelFormat_RGBA32;
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293 }
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294
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295 ORTHANC_FORCE_INLINE
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296 static void SetZero(PixelType& target)
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297 {
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298 target.red_ = 0;
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299 target.green_ = 0;
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300 target.blue_ = 0;
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301 target.alpha_ = 0;
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302 }
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303
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304 ORTHANC_FORCE_INLINE
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305 static void Copy(PixelType& target,
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306 const PixelType& source)
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307 {
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308 target.red_ = source.red_;
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309 target.green_ = source.green_;
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310 target.blue_ = source.blue_;
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311 target.alpha_ = source.alpha_;
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312 }
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313
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314 ORTHANC_FORCE_INLINE
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315 static bool IsEqual(const PixelType& a,
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316 const PixelType& b)
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317 {
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318 return (a.red_ == b.red_ &&
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319 a.green_ == b.green_ &&
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320 a.blue_ == b.blue_ &&
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321 a.alpha_ == b.alpha_);
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322 }
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323
65699fcb4e99 PixelTraits<PixelFormat_RGBA32>
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324 ORTHANC_FORCE_INLINE
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325 static void FloatToPixel(PixelType& target,
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326 float value)
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327 {
65699fcb4e99 PixelTraits<PixelFormat_RGBA32>
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328 uint8_t v;
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329 PixelTraits<PixelFormat_Grayscale8>::FloatToPixel(v, value);
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330
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331 target.red_ = v;
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332 target.green_ = v;
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333 target.blue_ = v;
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334 target.alpha_ = 255;
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335 }
65699fcb4e99 PixelTraits<PixelFormat_RGBA32>
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336 };
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337
65699fcb4e99 PixelTraits<PixelFormat_RGBA32>
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diff changeset
338
65699fcb4e99 PixelTraits<PixelFormat_RGBA32>
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diff changeset
339 template <>
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340 struct PixelTraits<PixelFormat_Float32>
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341 {
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342 typedef float PixelType;
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343
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344 ORTHANC_FORCE_INLINE
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345 static PixelFormat GetPixelFormat()
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346 {
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347 return PixelFormat_Float32;
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348 }
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349
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350 ORTHANC_FORCE_INLINE
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351 static void SetZero(PixelType& target)
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352 {
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353 target = 0.0f;
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diff changeset
354 }
89b789366596 Grayscale64 pixel format
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diff changeset
355
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356 ORTHANC_FORCE_INLINE
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diff changeset
357 static void Copy(PixelType& target,
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diff changeset
358 const PixelType& source)
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diff changeset
359 {
89b789366596 Grayscale64 pixel format
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360 target = source;
89b789366596 Grayscale64 pixel format
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diff changeset
361 }
89b789366596 Grayscale64 pixel format
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diff changeset
362
89b789366596 Grayscale64 pixel format
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diff changeset
363 ORTHANC_FORCE_INLINE
89b789366596 Grayscale64 pixel format
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parents: 2493
diff changeset
364 static bool IsEqual(const PixelType& a,
89b789366596 Grayscale64 pixel format
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diff changeset
365 const PixelType& b)
89b789366596 Grayscale64 pixel format
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diff changeset
366 {
89b789366596 Grayscale64 pixel format
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367 float tmp = (a - b);
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diff changeset
368
89b789366596 Grayscale64 pixel format
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diff changeset
369 if (tmp < 0)
89b789366596 Grayscale64 pixel format
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diff changeset
370 {
89b789366596 Grayscale64 pixel format
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diff changeset
371 tmp = -tmp;
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diff changeset
372 }
89b789366596 Grayscale64 pixel format
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373
89b789366596 Grayscale64 pixel format
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374 return tmp <= std::numeric_limits<float>::epsilon();
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diff changeset
375 }
89b789366596 Grayscale64 pixel format
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diff changeset
376
89b789366596 Grayscale64 pixel format
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diff changeset
377 ORTHANC_FORCE_INLINE
3671
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diff changeset
378 static void SetMinValue(PixelType& target)
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diff changeset
379 {
3c4269229566 Added functions to retrieve min and max possible values for floating-point pixels
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parents: 3640
diff changeset
380 // std::numeric_limits<float>::lowest is not supported on
3c4269229566 Added functions to retrieve min and max possible values for floating-point pixels
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parents: 3640
diff changeset
381 // all compilers (for instance, Visual Studio 9.0 2008)
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parents: 3640
diff changeset
382 target = -std::numeric_limits<float>::max();
3c4269229566 Added functions to retrieve min and max possible values for floating-point pixels
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parents: 3640
diff changeset
383 }
3c4269229566 Added functions to retrieve min and max possible values for floating-point pixels
Benjamin Golinvaux <bgo@osimis.io>
parents: 3640
diff changeset
384
3c4269229566 Added functions to retrieve min and max possible values for floating-point pixels
Benjamin Golinvaux <bgo@osimis.io>
parents: 3640
diff changeset
385 ORTHANC_FORCE_INLINE
3c4269229566 Added functions to retrieve min and max possible values for floating-point pixels
Benjamin Golinvaux <bgo@osimis.io>
parents: 3640
diff changeset
386 static void SetMaxValue(PixelType& target)
3c4269229566 Added functions to retrieve min and max possible values for floating-point pixels
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parents: 3640
diff changeset
387 {
3c4269229566 Added functions to retrieve min and max possible values for floating-point pixels
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parents: 3640
diff changeset
388 target = std::numeric_limits<float>::max();
3c4269229566 Added functions to retrieve min and max possible values for floating-point pixels
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parents: 3640
diff changeset
389 }
3c4269229566 Added functions to retrieve min and max possible values for floating-point pixels
Benjamin Golinvaux <bgo@osimis.io>
parents: 3640
diff changeset
390
3c4269229566 Added functions to retrieve min and max possible values for floating-point pixels
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parents: 3640
diff changeset
391 ORTHANC_FORCE_INLINE
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diff changeset
392 static void FloatToPixel(PixelType& target,
89b789366596 Grayscale64 pixel format
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393 float value)
89b789366596 Grayscale64 pixel format
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diff changeset
394 {
89b789366596 Grayscale64 pixel format
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395 target = value;
89b789366596 Grayscale64 pixel format
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396 }
89b789366596 Grayscale64 pixel format
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diff changeset
397
89b789366596 Grayscale64 pixel format
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diff changeset
398 ORTHANC_FORCE_INLINE
89b789366596 Grayscale64 pixel format
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diff changeset
399 static float PixelToFloat(const PixelType& source)
89b789366596 Grayscale64 pixel format
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diff changeset
400 {
89b789366596 Grayscale64 pixel format
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401 return source;
89b789366596 Grayscale64 pixel format
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diff changeset
402 }
89b789366596 Grayscale64 pixel format
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diff changeset
403 };
2487
be1dbb1dcdd6 PixelTraits and ImageTraits
Sebastien Jodogne <s.jodogne@gmail.com>
parents:
diff changeset
404 }