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annotate Core/Images/PixelTraits.h @ 2971:62b07b30e3db

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date Thu, 06 Dec 2018 10:10:57 +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 {
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57 if (value < static_cast<int64_t>(std::numeric_limits<PixelType>::min()))
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58 {
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59 return std::numeric_limits<PixelType>::min();
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60 }
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61 else if (value > static_cast<int64_t>(std::numeric_limits<PixelType>::max()))
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62 {
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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;
5aa787a03e7d PixelTraits::FloatToPixel for color formats
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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 <>
2783
65699fcb4e99 PixelTraits<PixelFormat_RGBA32>
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286 struct PixelTraits<PixelFormat_RGBA32>
65699fcb4e99 PixelTraits<PixelFormat_RGBA32>
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287 {
65699fcb4e99 PixelTraits<PixelFormat_RGBA32>
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288 struct PixelType
65699fcb4e99 PixelTraits<PixelFormat_RGBA32>
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289 {
65699fcb4e99 PixelTraits<PixelFormat_RGBA32>
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290 uint8_t red_;
65699fcb4e99 PixelTraits<PixelFormat_RGBA32>
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291 uint8_t green_;
65699fcb4e99 PixelTraits<PixelFormat_RGBA32>
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292 uint8_t blue_;
65699fcb4e99 PixelTraits<PixelFormat_RGBA32>
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diff changeset
293 uint8_t alpha_;
65699fcb4e99 PixelTraits<PixelFormat_RGBA32>
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294 };
65699fcb4e99 PixelTraits<PixelFormat_RGBA32>
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295
65699fcb4e99 PixelTraits<PixelFormat_RGBA32>
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296 ORTHANC_FORCE_INLINE
65699fcb4e99 PixelTraits<PixelFormat_RGBA32>
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297 static PixelFormat GetPixelFormat()
65699fcb4e99 PixelTraits<PixelFormat_RGBA32>
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298 {
65699fcb4e99 PixelTraits<PixelFormat_RGBA32>
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299 return PixelFormat_RGBA32;
65699fcb4e99 PixelTraits<PixelFormat_RGBA32>
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300 }
65699fcb4e99 PixelTraits<PixelFormat_RGBA32>
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301
65699fcb4e99 PixelTraits<PixelFormat_RGBA32>
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302 ORTHANC_FORCE_INLINE
65699fcb4e99 PixelTraits<PixelFormat_RGBA32>
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303 static void SetZero(PixelType& target)
65699fcb4e99 PixelTraits<PixelFormat_RGBA32>
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304 {
65699fcb4e99 PixelTraits<PixelFormat_RGBA32>
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305 target.red_ = 0;
65699fcb4e99 PixelTraits<PixelFormat_RGBA32>
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306 target.green_ = 0;
65699fcb4e99 PixelTraits<PixelFormat_RGBA32>
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307 target.blue_ = 0;
65699fcb4e99 PixelTraits<PixelFormat_RGBA32>
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diff changeset
308 target.alpha_ = 0;
65699fcb4e99 PixelTraits<PixelFormat_RGBA32>
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309 }
65699fcb4e99 PixelTraits<PixelFormat_RGBA32>
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310
65699fcb4e99 PixelTraits<PixelFormat_RGBA32>
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311 ORTHANC_FORCE_INLINE
65699fcb4e99 PixelTraits<PixelFormat_RGBA32>
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312 static void Copy(PixelType& target,
65699fcb4e99 PixelTraits<PixelFormat_RGBA32>
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313 const PixelType& source)
65699fcb4e99 PixelTraits<PixelFormat_RGBA32>
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314 {
65699fcb4e99 PixelTraits<PixelFormat_RGBA32>
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315 target.red_ = source.red_;
65699fcb4e99 PixelTraits<PixelFormat_RGBA32>
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316 target.green_ = source.green_;
65699fcb4e99 PixelTraits<PixelFormat_RGBA32>
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317 target.blue_ = source.blue_;
65699fcb4e99 PixelTraits<PixelFormat_RGBA32>
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318 target.alpha_ = source.alpha_;
65699fcb4e99 PixelTraits<PixelFormat_RGBA32>
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diff changeset
319 }
65699fcb4e99 PixelTraits<PixelFormat_RGBA32>
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diff changeset
320
65699fcb4e99 PixelTraits<PixelFormat_RGBA32>
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diff changeset
321 ORTHANC_FORCE_INLINE
65699fcb4e99 PixelTraits<PixelFormat_RGBA32>
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diff changeset
322 static bool IsEqual(const PixelType& a,
65699fcb4e99 PixelTraits<PixelFormat_RGBA32>
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diff changeset
323 const PixelType& b)
65699fcb4e99 PixelTraits<PixelFormat_RGBA32>
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diff changeset
324 {
65699fcb4e99 PixelTraits<PixelFormat_RGBA32>
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diff changeset
325 return (a.red_ == b.red_ &&
65699fcb4e99 PixelTraits<PixelFormat_RGBA32>
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diff changeset
326 a.green_ == b.green_ &&
65699fcb4e99 PixelTraits<PixelFormat_RGBA32>
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diff changeset
327 a.blue_ == b.blue_ &&
65699fcb4e99 PixelTraits<PixelFormat_RGBA32>
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diff changeset
328 a.alpha_ == b.alpha_);
65699fcb4e99 PixelTraits<PixelFormat_RGBA32>
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diff changeset
329 }
65699fcb4e99 PixelTraits<PixelFormat_RGBA32>
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diff changeset
330
65699fcb4e99 PixelTraits<PixelFormat_RGBA32>
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diff changeset
331 ORTHANC_FORCE_INLINE
65699fcb4e99 PixelTraits<PixelFormat_RGBA32>
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diff changeset
332 static void FloatToPixel(PixelType& target,
65699fcb4e99 PixelTraits<PixelFormat_RGBA32>
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diff changeset
333 float value)
65699fcb4e99 PixelTraits<PixelFormat_RGBA32>
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diff changeset
334 {
65699fcb4e99 PixelTraits<PixelFormat_RGBA32>
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diff changeset
335 uint8_t v;
65699fcb4e99 PixelTraits<PixelFormat_RGBA32>
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diff changeset
336 PixelTraits<PixelFormat_Grayscale8>::FloatToPixel(v, value);
65699fcb4e99 PixelTraits<PixelFormat_RGBA32>
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diff changeset
337
65699fcb4e99 PixelTraits<PixelFormat_RGBA32>
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diff changeset
338 target.red_ = v;
65699fcb4e99 PixelTraits<PixelFormat_RGBA32>
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diff changeset
339 target.green_ = v;
65699fcb4e99 PixelTraits<PixelFormat_RGBA32>
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diff changeset
340 target.blue_ = v;
65699fcb4e99 PixelTraits<PixelFormat_RGBA32>
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diff changeset
341 target.alpha_ = 255;
65699fcb4e99 PixelTraits<PixelFormat_RGBA32>
Sebastien Jodogne <s.jodogne@gmail.com>
parents: 2645
diff changeset
342 }
65699fcb4e99 PixelTraits<PixelFormat_RGBA32>
Sebastien Jodogne <s.jodogne@gmail.com>
parents: 2645
diff changeset
343 };
65699fcb4e99 PixelTraits<PixelFormat_RGBA32>
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parents: 2645
diff changeset
344
65699fcb4e99 PixelTraits<PixelFormat_RGBA32>
Sebastien Jodogne <s.jodogne@gmail.com>
parents: 2645
diff changeset
345
65699fcb4e99 PixelTraits<PixelFormat_RGBA32>
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parents: 2645
diff changeset
346 template <>
2645
89b789366596 Grayscale64 pixel format
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diff changeset
347 struct PixelTraits<PixelFormat_Float32>
89b789366596 Grayscale64 pixel format
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diff changeset
348 {
89b789366596 Grayscale64 pixel format
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diff changeset
349 typedef float PixelType;
89b789366596 Grayscale64 pixel format
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diff changeset
350
89b789366596 Grayscale64 pixel format
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diff changeset
351 ORTHANC_FORCE_INLINE
89b789366596 Grayscale64 pixel format
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diff changeset
352 static PixelFormat GetPixelFormat()
89b789366596 Grayscale64 pixel format
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diff changeset
353 {
89b789366596 Grayscale64 pixel format
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diff changeset
354 return PixelFormat_Float32;
89b789366596 Grayscale64 pixel format
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parents: 2493
diff changeset
355 }
89b789366596 Grayscale64 pixel format
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parents: 2493
diff changeset
356
89b789366596 Grayscale64 pixel format
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parents: 2493
diff changeset
357 ORTHANC_FORCE_INLINE
89b789366596 Grayscale64 pixel format
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parents: 2493
diff changeset
358 static void SetZero(PixelType& target)
89b789366596 Grayscale64 pixel format
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parents: 2493
diff changeset
359 {
89b789366596 Grayscale64 pixel format
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diff changeset
360 target = 0.0f;
89b789366596 Grayscale64 pixel format
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parents: 2493
diff changeset
361 }
89b789366596 Grayscale64 pixel format
Sebastien Jodogne <s.jodogne@gmail.com>
parents: 2493
diff changeset
362
89b789366596 Grayscale64 pixel format
Sebastien Jodogne <s.jodogne@gmail.com>
parents: 2493
diff changeset
363 ORTHANC_FORCE_INLINE
89b789366596 Grayscale64 pixel format
Sebastien Jodogne <s.jodogne@gmail.com>
parents: 2493
diff changeset
364 static void Copy(PixelType& target,
89b789366596 Grayscale64 pixel format
Sebastien Jodogne <s.jodogne@gmail.com>
parents: 2493
diff changeset
365 const PixelType& source)
89b789366596 Grayscale64 pixel format
Sebastien Jodogne <s.jodogne@gmail.com>
parents: 2493
diff changeset
366 {
89b789366596 Grayscale64 pixel format
Sebastien Jodogne <s.jodogne@gmail.com>
parents: 2493
diff changeset
367 target = source;
89b789366596 Grayscale64 pixel format
Sebastien Jodogne <s.jodogne@gmail.com>
parents: 2493
diff changeset
368 }
89b789366596 Grayscale64 pixel format
Sebastien Jodogne <s.jodogne@gmail.com>
parents: 2493
diff changeset
369
89b789366596 Grayscale64 pixel format
Sebastien Jodogne <s.jodogne@gmail.com>
parents: 2493
diff changeset
370 ORTHANC_FORCE_INLINE
89b789366596 Grayscale64 pixel format
Sebastien Jodogne <s.jodogne@gmail.com>
parents: 2493
diff changeset
371 static bool IsEqual(const PixelType& a,
89b789366596 Grayscale64 pixel format
Sebastien Jodogne <s.jodogne@gmail.com>
parents: 2493
diff changeset
372 const PixelType& b)
89b789366596 Grayscale64 pixel format
Sebastien Jodogne <s.jodogne@gmail.com>
parents: 2493
diff changeset
373 {
89b789366596 Grayscale64 pixel format
Sebastien Jodogne <s.jodogne@gmail.com>
parents: 2493
diff changeset
374 float tmp = (a - b);
89b789366596 Grayscale64 pixel format
Sebastien Jodogne <s.jodogne@gmail.com>
parents: 2493
diff changeset
375
89b789366596 Grayscale64 pixel format
Sebastien Jodogne <s.jodogne@gmail.com>
parents: 2493
diff changeset
376 if (tmp < 0)
89b789366596 Grayscale64 pixel format
Sebastien Jodogne <s.jodogne@gmail.com>
parents: 2493
diff changeset
377 {
89b789366596 Grayscale64 pixel format
Sebastien Jodogne <s.jodogne@gmail.com>
parents: 2493
diff changeset
378 tmp = -tmp;
89b789366596 Grayscale64 pixel format
Sebastien Jodogne <s.jodogne@gmail.com>
parents: 2493
diff changeset
379 }
89b789366596 Grayscale64 pixel format
Sebastien Jodogne <s.jodogne@gmail.com>
parents: 2493
diff changeset
380
89b789366596 Grayscale64 pixel format
Sebastien Jodogne <s.jodogne@gmail.com>
parents: 2493
diff changeset
381 return tmp <= std::numeric_limits<float>::epsilon();
89b789366596 Grayscale64 pixel format
Sebastien Jodogne <s.jodogne@gmail.com>
parents: 2493
diff changeset
382 }
89b789366596 Grayscale64 pixel format
Sebastien Jodogne <s.jodogne@gmail.com>
parents: 2493
diff changeset
383
89b789366596 Grayscale64 pixel format
Sebastien Jodogne <s.jodogne@gmail.com>
parents: 2493
diff changeset
384 ORTHANC_FORCE_INLINE
89b789366596 Grayscale64 pixel format
Sebastien Jodogne <s.jodogne@gmail.com>
parents: 2493
diff changeset
385 static void FloatToPixel(PixelType& target,
89b789366596 Grayscale64 pixel format
Sebastien Jodogne <s.jodogne@gmail.com>
parents: 2493
diff changeset
386 float value)
89b789366596 Grayscale64 pixel format
Sebastien Jodogne <s.jodogne@gmail.com>
parents: 2493
diff changeset
387 {
89b789366596 Grayscale64 pixel format
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parents: 2493
diff changeset
388 target = value;
89b789366596 Grayscale64 pixel format
Sebastien Jodogne <s.jodogne@gmail.com>
parents: 2493
diff changeset
389 }
89b789366596 Grayscale64 pixel format
Sebastien Jodogne <s.jodogne@gmail.com>
parents: 2493
diff changeset
390
89b789366596 Grayscale64 pixel format
Sebastien Jodogne <s.jodogne@gmail.com>
parents: 2493
diff changeset
391 ORTHANC_FORCE_INLINE
89b789366596 Grayscale64 pixel format
Sebastien Jodogne <s.jodogne@gmail.com>
parents: 2493
diff changeset
392 static float PixelToFloat(const PixelType& source)
89b789366596 Grayscale64 pixel format
Sebastien Jodogne <s.jodogne@gmail.com>
parents: 2493
diff changeset
393 {
89b789366596 Grayscale64 pixel format
Sebastien Jodogne <s.jodogne@gmail.com>
parents: 2493
diff changeset
394 return source;
89b789366596 Grayscale64 pixel format
Sebastien Jodogne <s.jodogne@gmail.com>
parents: 2493
diff changeset
395 }
89b789366596 Grayscale64 pixel format
Sebastien Jodogne <s.jodogne@gmail.com>
parents: 2493
diff changeset
396 };
2487
be1dbb1dcdd6 PixelTraits and ImageTraits
Sebastien Jodogne <s.jodogne@gmail.com>
parents:
diff changeset
397 }