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annotate OrthancFramework/Sources/Images/ImageProcessing.h @ 4224:38d446c9ee1d

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author Sebastien Jodogne <s.jodogne@gmail.com>
date Wed, 30 Sep 2020 17:59:09 +0200
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1 /**
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2 * Orthanc - A Lightweight, RESTful DICOM Store
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3 * Copyright (C) 2012-2016 Sebastien Jodogne, Medical Physics
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4 * Department, University Hospital of Liege, Belgium
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5 * Copyright (C) 2017-2020 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 Lesser General Public License
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9 * as published by the Free Software Foundation, either version 3 of
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10 * the License, or (at your option) any later version.
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11 *
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12 * This program is distributed in the hope that it will be useful, but
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13 * WITHOUT ANY WARRANTY; without even the implied warranty of
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14 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
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15 * Lesser General Public License for more details.
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16 *
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17 * You should have received a copy of the GNU Lesser General Public
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18 * License along with this program. If not, see
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19 * <http://www.gnu.org/licenses/>.
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20 **/
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22
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23 #pragma once
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24
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25 #include "../OrthancFramework.h"
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26
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27 #include "ImageAccessor.h"
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28
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29 #include <vector>
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30 #include <stdint.h>
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31 #include <boost/noncopyable.hpp>
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32
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33 namespace Orthanc
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34 {
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35 class ORTHANC_PUBLIC ImageProcessing : public boost::noncopyable
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36 {
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37 public:
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38 class ORTHANC_PUBLIC ImagePoint
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39 {
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40 int32_t x_;
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41 int32_t y_;
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42
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43 public:
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44 ImagePoint(int32_t x,
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45 int32_t y) :
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46 x_(x),
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47 y_(y)
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48 {
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49 }
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50
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51 int32_t GetX() const
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52 {
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53 return x_;
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54 }
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55
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56 int32_t GetY() const
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57 {
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58 return y_;
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59 }
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60
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61 void Set(int32_t x, int32_t y)
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62 {
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63 x_ = x;
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64 y_ = y;
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65 }
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66
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67 void ClipTo(int32_t minX, int32_t maxX, int32_t minY, int32_t maxY);
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68
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69 double GetDistanceTo(const ImagePoint& other) const;
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71 double GetDistanceToLine(double a, double b, double c) const; // where ax + by + c = 0 is the equation of the line
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72 };
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73
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74 static void Copy(ImageAccessor& target,
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75 const ImageAccessor& source);
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76
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77 static void Convert(ImageAccessor& target,
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78 const ImageAccessor& source);
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79
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80 static void ApplyWindowing_Deprecated(ImageAccessor& target,
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81 const ImageAccessor& source,
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82 float windowCenter,
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83 float windowWidth,
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84 float rescaleSlope,
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85 float rescaleIntercept,
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86 bool invert);
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87
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88 static void Set(ImageAccessor& image,
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89 int64_t value);
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90
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91 static void Set(ImageAccessor& image,
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92 uint8_t red,
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93 uint8_t green,
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94 uint8_t blue,
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95 uint8_t alpha);
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96
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97 static void Set(ImageAccessor& image,
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98 uint8_t red,
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99 uint8_t green,
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100 uint8_t blue,
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101 ImageAccessor& alpha);
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102
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103 static void ShiftRight(ImageAccessor& target,
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104 unsigned int shift);
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105
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106 static void ShiftLeft(ImageAccessor& target,
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107 unsigned int shift);
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108
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109 static void GetMinMaxIntegerValue(int64_t& minValue,
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110 int64_t& maxValue,
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111 const ImageAccessor& image);
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112
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113 static void GetMinMaxFloatValue(float& minValue,
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114 float& maxValue,
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115 const ImageAccessor& image);
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116
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117 static void AddConstant(ImageAccessor& image,
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118 int64_t value);
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119
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120 // "useRound" is expensive
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121 static void MultiplyConstant(ImageAccessor& image,
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122 float factor,
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123 bool useRound);
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124
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125 // Computes "(x + offset) * scaling" inplace. "useRound" is expensive.
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126 static void ShiftScale(ImageAccessor& image,
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127 float offset,
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128 float scaling,
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129 bool useRound);
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130
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131 static void ShiftScale(ImageAccessor& target,
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132 const ImageAccessor& source,
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133 float offset,
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134 float scaling,
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135 bool useRound);
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136
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137 // Computes "x * scaling + offset" inplace. "useRound" is expensive.
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138 static void ShiftScale2(ImageAccessor& image,
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139 float offset,
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140 float scaling,
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141 bool useRound);
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142
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143 static void ShiftScale2(ImageAccessor& target,
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144 const ImageAccessor& source,
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145 float offset,
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146 float scaling,
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147 bool useRound);
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148
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149 static void Invert(ImageAccessor& image);
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150
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151 static void Invert(ImageAccessor& image, int64_t maxValue);
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152
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153 static void DrawLineSegment(ImageAccessor& image,
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154 int x0,
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155 int y0,
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156 int x1,
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157 int y1,
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158 int64_t value);
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159
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160 static void DrawLineSegment(ImageAccessor& image,
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161 int x0,
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162 int y0,
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163 int x1,
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164 int y1,
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165 uint8_t red,
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166 uint8_t green,
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167 uint8_t blue,
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168 uint8_t alpha);
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169
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170 static void FillPolygon(ImageAccessor& image,
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171 const std::vector<ImagePoint>& points,
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172 int64_t value);
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173
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174 static void Resize(ImageAccessor& target,
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175 const ImageAccessor& source);
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176
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177 static ImageAccessor* Halve(const ImageAccessor& source,
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178 bool forceMinimalPitch);
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179
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180 static void FlipX(ImageAccessor& image);
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181
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182 static void FlipY(ImageAccessor& image);
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183
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184 static void SeparableConvolution(ImageAccessor& image /* inplace */,
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185 const std::vector<float>& horizontal,
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186 size_t horizontalAnchor,
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187 const std::vector<float>& vertical,
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188 size_t verticalAnchor,
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189 bool useRound /* this is expensive */);
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190
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191 static void SmoothGaussian5x5(ImageAccessor& image,
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192 bool useRound /* this is expensive */);
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193
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194 static void FitSize(ImageAccessor& target,
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195 const ImageAccessor& source);
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196
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197 // Resize the image to the given width/height. The resized image
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198 // occupies the entire canvas (aspect ratio is not preserved).
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199 static ImageAccessor* FitSize(const ImageAccessor& source,
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200 unsigned int width,
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201 unsigned int height);
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202
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203 // Resize an image, but keeps its original aspect ratio. Zeros are
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204 // added around the image to reach the specified size.
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205 static ImageAccessor* FitSizeKeepAspectRatio(const ImageAccessor& source,
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206 unsigned int width,
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207 unsigned int height);
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208 };
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209 }