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annotate Core/Images/PixelTraits.h @ 3349:ef18ea68a362

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author Alain Mazy <alain@mazy.be>
date Thu, 18 Apr 2019 15:52:56 +0200
parents f58553a98204
children 94f4a18a79cc
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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) 2017-2019 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 value += 0.5f;
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107 if (value < static_cast<float>(std::numeric_limits<PixelType>::min()))
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108 {
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109 target = std::numeric_limits<PixelType>::min();
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110 }
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111 else if (value > static_cast<float>(std::numeric_limits<PixelType>::max()))
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112 {
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113 target = std::numeric_limits<PixelType>::max();
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114 }
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115 else
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116 {
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117 target = static_cast<PixelType>(value);
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118 }
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119 }
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120
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121 ORTHANC_FORCE_INLINE
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122 static bool IsEqual(const PixelType& a,
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123 const PixelType& b)
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124 {
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125 return a == b;
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126 }
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127 };
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128
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129
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130 template <PixelFormat Format>
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131 struct PixelTraits;
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132
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133
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134 template <>
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135 struct PixelTraits<PixelFormat_Grayscale8> :
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136 public IntegerPixelTraits<PixelFormat_Grayscale8, uint8_t>
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137 {
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138 };
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139
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140
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141 template <>
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142 struct PixelTraits<PixelFormat_Grayscale16> :
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143 public IntegerPixelTraits<PixelFormat_Grayscale16, uint16_t>
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144 {
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145 };
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146
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147
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148 template <>
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149 struct PixelTraits<PixelFormat_SignedGrayscale16> :
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150 public IntegerPixelTraits<PixelFormat_SignedGrayscale16, int16_t>
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151 {
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152 };
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153
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154
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155 template <>
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156 struct PixelTraits<PixelFormat_Grayscale32> :
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157 public IntegerPixelTraits<PixelFormat_Grayscale32, uint32_t>
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158 {
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159 };
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160
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161
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162 template <>
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163 struct PixelTraits<PixelFormat_Grayscale64> :
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164 public IntegerPixelTraits<PixelFormat_Grayscale64, uint64_t>
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165 {
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166 };
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167
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168
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169 template <>
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170 struct PixelTraits<PixelFormat_RGB24>
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171 {
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172 struct PixelType
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173 {
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174 uint8_t red_;
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175 uint8_t green_;
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176 uint8_t blue_;
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177 };
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178
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179 ORTHANC_FORCE_INLINE
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180 static PixelFormat GetPixelFormat()
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181 {
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182 return PixelFormat_RGB24;
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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 SetZero(PixelType& target)
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187 {
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188 target.red_ = 0;
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189 target.green_ = 0;
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190 target.blue_ = 0;
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191 }
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192
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193 ORTHANC_FORCE_INLINE
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194 static void Copy(PixelType& target,
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195 const PixelType& source)
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196 {
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197 target.red_ = source.red_;
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198 target.green_ = source.green_;
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199 target.blue_ = source.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 bool IsEqual(const PixelType& a,
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204 const PixelType& b)
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205 {
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206 return (a.red_ == b.red_ &&
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207 a.green_ == b.green_ &&
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208 a.blue_ == b.blue_);
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209 }
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210
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211 ORTHANC_FORCE_INLINE
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212 static void FloatToPixel(PixelType& target,
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213 float value)
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214 {
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215 uint8_t v;
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216 PixelTraits<PixelFormat_Grayscale8>::FloatToPixel(v, value);
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217
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218 target.red_ = v;
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219 target.green_ = v;
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220 target.blue_ = v;
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221 }
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222 };
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223
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224
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225 template <>
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226 struct PixelTraits<PixelFormat_BGRA32>
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227 {
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228 struct PixelType
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229 {
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230 uint8_t blue_;
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231 uint8_t green_;
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232 uint8_t red_;
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233 uint8_t alpha_;
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234 };
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235
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236 ORTHANC_FORCE_INLINE
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237 static PixelFormat GetPixelFormat()
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238 {
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239 return PixelFormat_BGRA32;
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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 SetZero(PixelType& target)
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244 {
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245 target.blue_ = 0;
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246 target.green_ = 0;
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247 target.red_ = 0;
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248 target.alpha_ = 0;
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249 }
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250
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251 ORTHANC_FORCE_INLINE
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252 static void Copy(PixelType& target,
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253 const PixelType& source)
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254 {
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255 target.blue_ = source.blue_;
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256 target.green_ = source.green_;
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257 target.red_ = source.red_;
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258 target.alpha_ = source.alpha_;
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259 }
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260
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261 ORTHANC_FORCE_INLINE
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262 static bool IsEqual(const PixelType& a,
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263 const PixelType& b)
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264 {
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265 return (a.blue_ == b.blue_ &&
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266 a.green_ == b.green_ &&
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267 a.red_ == b.red_ &&
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268 a.alpha_ == b.alpha_);
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269 }
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270
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271 ORTHANC_FORCE_INLINE
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272 static void FloatToPixel(PixelType& target,
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273 float value)
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274 {
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275 uint8_t v;
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276 PixelTraits<PixelFormat_Grayscale8>::FloatToPixel(v, value);
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277
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278 target.blue_ = v;
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279 target.green_ = v;
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280 target.red_ = v;
5aa787a03e7d PixelTraits::FloatToPixel for color formats
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281 target.alpha_ = 255;
5aa787a03e7d PixelTraits::FloatToPixel for color formats
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282 }
2487
be1dbb1dcdd6 PixelTraits and ImageTraits
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diff changeset
283 };
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284
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285
89b789366596 Grayscale64 pixel format
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286 template <>
2783
65699fcb4e99 PixelTraits<PixelFormat_RGBA32>
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287 struct PixelTraits<PixelFormat_RGBA32>
65699fcb4e99 PixelTraits<PixelFormat_RGBA32>
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288 {
65699fcb4e99 PixelTraits<PixelFormat_RGBA32>
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289 struct PixelType
65699fcb4e99 PixelTraits<PixelFormat_RGBA32>
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290 {
65699fcb4e99 PixelTraits<PixelFormat_RGBA32>
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291 uint8_t red_;
65699fcb4e99 PixelTraits<PixelFormat_RGBA32>
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292 uint8_t green_;
65699fcb4e99 PixelTraits<PixelFormat_RGBA32>
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293 uint8_t blue_;
65699fcb4e99 PixelTraits<PixelFormat_RGBA32>
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diff changeset
294 uint8_t alpha_;
65699fcb4e99 PixelTraits<PixelFormat_RGBA32>
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295 };
65699fcb4e99 PixelTraits<PixelFormat_RGBA32>
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296
65699fcb4e99 PixelTraits<PixelFormat_RGBA32>
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297 ORTHANC_FORCE_INLINE
65699fcb4e99 PixelTraits<PixelFormat_RGBA32>
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298 static PixelFormat GetPixelFormat()
65699fcb4e99 PixelTraits<PixelFormat_RGBA32>
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299 {
65699fcb4e99 PixelTraits<PixelFormat_RGBA32>
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300 return PixelFormat_RGBA32;
65699fcb4e99 PixelTraits<PixelFormat_RGBA32>
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301 }
65699fcb4e99 PixelTraits<PixelFormat_RGBA32>
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302
65699fcb4e99 PixelTraits<PixelFormat_RGBA32>
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303 ORTHANC_FORCE_INLINE
65699fcb4e99 PixelTraits<PixelFormat_RGBA32>
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304 static void SetZero(PixelType& target)
65699fcb4e99 PixelTraits<PixelFormat_RGBA32>
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305 {
65699fcb4e99 PixelTraits<PixelFormat_RGBA32>
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306 target.red_ = 0;
65699fcb4e99 PixelTraits<PixelFormat_RGBA32>
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307 target.green_ = 0;
65699fcb4e99 PixelTraits<PixelFormat_RGBA32>
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diff changeset
308 target.blue_ = 0;
65699fcb4e99 PixelTraits<PixelFormat_RGBA32>
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diff changeset
309 target.alpha_ = 0;
65699fcb4e99 PixelTraits<PixelFormat_RGBA32>
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310 }
65699fcb4e99 PixelTraits<PixelFormat_RGBA32>
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diff changeset
311
65699fcb4e99 PixelTraits<PixelFormat_RGBA32>
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diff changeset
312 ORTHANC_FORCE_INLINE
65699fcb4e99 PixelTraits<PixelFormat_RGBA32>
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313 static void Copy(PixelType& target,
65699fcb4e99 PixelTraits<PixelFormat_RGBA32>
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314 const PixelType& source)
65699fcb4e99 PixelTraits<PixelFormat_RGBA32>
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315 {
65699fcb4e99 PixelTraits<PixelFormat_RGBA32>
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316 target.red_ = source.red_;
65699fcb4e99 PixelTraits<PixelFormat_RGBA32>
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317 target.green_ = source.green_;
65699fcb4e99 PixelTraits<PixelFormat_RGBA32>
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318 target.blue_ = source.blue_;
65699fcb4e99 PixelTraits<PixelFormat_RGBA32>
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diff changeset
319 target.alpha_ = source.alpha_;
65699fcb4e99 PixelTraits<PixelFormat_RGBA32>
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diff changeset
320 }
65699fcb4e99 PixelTraits<PixelFormat_RGBA32>
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parents: 2645
diff changeset
321
65699fcb4e99 PixelTraits<PixelFormat_RGBA32>
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parents: 2645
diff changeset
322 ORTHANC_FORCE_INLINE
65699fcb4e99 PixelTraits<PixelFormat_RGBA32>
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parents: 2645
diff changeset
323 static bool IsEqual(const PixelType& a,
65699fcb4e99 PixelTraits<PixelFormat_RGBA32>
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diff changeset
324 const PixelType& b)
65699fcb4e99 PixelTraits<PixelFormat_RGBA32>
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diff changeset
325 {
65699fcb4e99 PixelTraits<PixelFormat_RGBA32>
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diff changeset
326 return (a.red_ == b.red_ &&
65699fcb4e99 PixelTraits<PixelFormat_RGBA32>
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diff changeset
327 a.green_ == b.green_ &&
65699fcb4e99 PixelTraits<PixelFormat_RGBA32>
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diff changeset
328 a.blue_ == b.blue_ &&
65699fcb4e99 PixelTraits<PixelFormat_RGBA32>
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diff changeset
329 a.alpha_ == b.alpha_);
65699fcb4e99 PixelTraits<PixelFormat_RGBA32>
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diff changeset
330 }
65699fcb4e99 PixelTraits<PixelFormat_RGBA32>
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parents: 2645
diff changeset
331
65699fcb4e99 PixelTraits<PixelFormat_RGBA32>
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diff changeset
332 ORTHANC_FORCE_INLINE
65699fcb4e99 PixelTraits<PixelFormat_RGBA32>
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diff changeset
333 static void FloatToPixel(PixelType& target,
65699fcb4e99 PixelTraits<PixelFormat_RGBA32>
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diff changeset
334 float value)
65699fcb4e99 PixelTraits<PixelFormat_RGBA32>
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parents: 2645
diff changeset
335 {
65699fcb4e99 PixelTraits<PixelFormat_RGBA32>
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diff changeset
336 uint8_t v;
65699fcb4e99 PixelTraits<PixelFormat_RGBA32>
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diff changeset
337 PixelTraits<PixelFormat_Grayscale8>::FloatToPixel(v, value);
65699fcb4e99 PixelTraits<PixelFormat_RGBA32>
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parents: 2645
diff changeset
338
65699fcb4e99 PixelTraits<PixelFormat_RGBA32>
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parents: 2645
diff changeset
339 target.red_ = v;
65699fcb4e99 PixelTraits<PixelFormat_RGBA32>
Sebastien Jodogne <s.jodogne@gmail.com>
parents: 2645
diff changeset
340 target.green_ = v;
65699fcb4e99 PixelTraits<PixelFormat_RGBA32>
Sebastien Jodogne <s.jodogne@gmail.com>
parents: 2645
diff changeset
341 target.blue_ = v;
65699fcb4e99 PixelTraits<PixelFormat_RGBA32>
Sebastien Jodogne <s.jodogne@gmail.com>
parents: 2645
diff changeset
342 target.alpha_ = 255;
65699fcb4e99 PixelTraits<PixelFormat_RGBA32>
Sebastien Jodogne <s.jodogne@gmail.com>
parents: 2645
diff changeset
343 }
65699fcb4e99 PixelTraits<PixelFormat_RGBA32>
Sebastien Jodogne <s.jodogne@gmail.com>
parents: 2645
diff changeset
344 };
65699fcb4e99 PixelTraits<PixelFormat_RGBA32>
Sebastien Jodogne <s.jodogne@gmail.com>
parents: 2645
diff changeset
345
65699fcb4e99 PixelTraits<PixelFormat_RGBA32>
Sebastien Jodogne <s.jodogne@gmail.com>
parents: 2645
diff changeset
346
65699fcb4e99 PixelTraits<PixelFormat_RGBA32>
Sebastien Jodogne <s.jodogne@gmail.com>
parents: 2645
diff changeset
347 template <>
2645
89b789366596 Grayscale64 pixel format
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parents: 2493
diff changeset
348 struct PixelTraits<PixelFormat_Float32>
89b789366596 Grayscale64 pixel format
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parents: 2493
diff changeset
349 {
89b789366596 Grayscale64 pixel format
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diff changeset
350 typedef float PixelType;
89b789366596 Grayscale64 pixel format
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diff changeset
351
89b789366596 Grayscale64 pixel format
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parents: 2493
diff changeset
352 ORTHANC_FORCE_INLINE
89b789366596 Grayscale64 pixel format
Sebastien Jodogne <s.jodogne@gmail.com>
parents: 2493
diff changeset
353 static PixelFormat GetPixelFormat()
89b789366596 Grayscale64 pixel format
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parents: 2493
diff changeset
354 {
89b789366596 Grayscale64 pixel format
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diff changeset
355 return PixelFormat_Float32;
89b789366596 Grayscale64 pixel format
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parents: 2493
diff changeset
356 }
89b789366596 Grayscale64 pixel format
Sebastien Jodogne <s.jodogne@gmail.com>
parents: 2493
diff changeset
357
89b789366596 Grayscale64 pixel format
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parents: 2493
diff changeset
358 ORTHANC_FORCE_INLINE
89b789366596 Grayscale64 pixel format
Sebastien Jodogne <s.jodogne@gmail.com>
parents: 2493
diff changeset
359 static void SetZero(PixelType& target)
89b789366596 Grayscale64 pixel format
Sebastien Jodogne <s.jodogne@gmail.com>
parents: 2493
diff changeset
360 {
89b789366596 Grayscale64 pixel format
Sebastien Jodogne <s.jodogne@gmail.com>
parents: 2493
diff changeset
361 target = 0.0f;
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
89b789366596 Grayscale64 pixel format
Sebastien Jodogne <s.jodogne@gmail.com>
parents: 2493
diff changeset
364 ORTHANC_FORCE_INLINE
89b789366596 Grayscale64 pixel format
Sebastien Jodogne <s.jodogne@gmail.com>
parents: 2493
diff changeset
365 static void Copy(PixelType& target,
89b789366596 Grayscale64 pixel format
Sebastien Jodogne <s.jodogne@gmail.com>
parents: 2493
diff changeset
366 const PixelType& source)
89b789366596 Grayscale64 pixel format
Sebastien Jodogne <s.jodogne@gmail.com>
parents: 2493
diff changeset
367 {
89b789366596 Grayscale64 pixel format
Sebastien Jodogne <s.jodogne@gmail.com>
parents: 2493
diff changeset
368 target = source;
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
89b789366596 Grayscale64 pixel format
Sebastien Jodogne <s.jodogne@gmail.com>
parents: 2493
diff changeset
371 ORTHANC_FORCE_INLINE
89b789366596 Grayscale64 pixel format
Sebastien Jodogne <s.jodogne@gmail.com>
parents: 2493
diff changeset
372 static bool IsEqual(const PixelType& a,
89b789366596 Grayscale64 pixel format
Sebastien Jodogne <s.jodogne@gmail.com>
parents: 2493
diff changeset
373 const PixelType& b)
89b789366596 Grayscale64 pixel format
Sebastien Jodogne <s.jodogne@gmail.com>
parents: 2493
diff changeset
374 {
89b789366596 Grayscale64 pixel format
Sebastien Jodogne <s.jodogne@gmail.com>
parents: 2493
diff changeset
375 float tmp = (a - b);
89b789366596 Grayscale64 pixel format
Sebastien Jodogne <s.jodogne@gmail.com>
parents: 2493
diff changeset
376
89b789366596 Grayscale64 pixel format
Sebastien Jodogne <s.jodogne@gmail.com>
parents: 2493
diff changeset
377 if (tmp < 0)
89b789366596 Grayscale64 pixel format
Sebastien Jodogne <s.jodogne@gmail.com>
parents: 2493
diff changeset
378 {
89b789366596 Grayscale64 pixel format
Sebastien Jodogne <s.jodogne@gmail.com>
parents: 2493
diff changeset
379 tmp = -tmp;
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
89b789366596 Grayscale64 pixel format
Sebastien Jodogne <s.jodogne@gmail.com>
parents: 2493
diff changeset
382 return tmp <= std::numeric_limits<float>::epsilon();
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
89b789366596 Grayscale64 pixel format
Sebastien Jodogne <s.jodogne@gmail.com>
parents: 2493
diff changeset
385 ORTHANC_FORCE_INLINE
89b789366596 Grayscale64 pixel format
Sebastien Jodogne <s.jodogne@gmail.com>
parents: 2493
diff changeset
386 static void FloatToPixel(PixelType& target,
89b789366596 Grayscale64 pixel format
Sebastien Jodogne <s.jodogne@gmail.com>
parents: 2493
diff changeset
387 float value)
89b789366596 Grayscale64 pixel format
Sebastien Jodogne <s.jodogne@gmail.com>
parents: 2493
diff changeset
388 {
89b789366596 Grayscale64 pixel format
Sebastien Jodogne <s.jodogne@gmail.com>
parents: 2493
diff changeset
389 target = value;
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
89b789366596 Grayscale64 pixel format
Sebastien Jodogne <s.jodogne@gmail.com>
parents: 2493
diff changeset
392 ORTHANC_FORCE_INLINE
89b789366596 Grayscale64 pixel format
Sebastien Jodogne <s.jodogne@gmail.com>
parents: 2493
diff changeset
393 static float PixelToFloat(const PixelType& source)
89b789366596 Grayscale64 pixel format
Sebastien Jodogne <s.jodogne@gmail.com>
parents: 2493
diff changeset
394 {
89b789366596 Grayscale64 pixel format
Sebastien Jodogne <s.jodogne@gmail.com>
parents: 2493
diff changeset
395 return source;
89b789366596 Grayscale64 pixel format
Sebastien Jodogne <s.jodogne@gmail.com>
parents: 2493
diff changeset
396 }
89b789366596 Grayscale64 pixel format
Sebastien Jodogne <s.jodogne@gmail.com>
parents: 2493
diff changeset
397 };
2487
be1dbb1dcdd6 PixelTraits and ImageTraits
Sebastien Jodogne <s.jodogne@gmail.com>
parents:
diff changeset
398 }