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annotate OrthancFramework/Sources/Images/ImageProcessing.h @ 5559:462b8f8a619c

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author Alain Mazy <am@orthanc.team>
date Mon, 22 Apr 2024 10:39:33 +0200
parents 48b8dae6dc77
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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) 2017-2024 Osimis S.A., Belgium
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6 * Copyright (C) 2021-2024 Sebastien Jodogne, ICTEAM UCLouvain, Belgium
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7 *
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8 * This program is free software: you can redistribute it and/or
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9 * modify it under the terms of the GNU Lesser General Public License
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10 * as published by the Free Software Foundation, either version 3 of
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11 * the License, or (at your option) any later version.
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12 *
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13 * This program is distributed in the hope that it will be useful, but
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14 * WITHOUT ANY WARRANTY; without even the implied warranty of
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15 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
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16 * Lesser General Public License for more details.
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17 *
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18 * You should have received a copy of the GNU Lesser General Public
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19 * License along with this program. If not, see
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20 * <http://www.gnu.org/licenses/>.
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21 **/
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24 #pragma once
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25
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26 #include "../OrthancFramework.h"
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27
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28 #include "ImageAccessor.h"
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29
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30 #include <vector>
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31 #include <stdint.h>
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32 #include <boost/noncopyable.hpp>
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33
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34 namespace Orthanc
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35 {
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36 class ORTHANC_PUBLIC ImageProcessing : public boost::noncopyable
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37 {
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38 public:
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39 class ORTHANC_PUBLIC ImagePoint
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40 {
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41 private:
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42 int32_t x_;
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43 int32_t y_;
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44
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45 public:
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46 ImagePoint(int32_t x,
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47 int32_t y);
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48
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49 int32_t GetX() const;
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50
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51 int32_t GetY() const;
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52
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53 void Set(int32_t x, int32_t y);
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54
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55 void ClipTo(int32_t minX,
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56 int32_t maxX,
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57 int32_t minY,
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58 int32_t maxY);
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59
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60 double GetDistanceTo(const ImagePoint& other) const;
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61
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62 double GetDistanceToLine(double a,
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63 double b,
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64 double c) const; // where ax + by + c = 0 is the equation of the line
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65 };
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66
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67 class ORTHANC_PUBLIC IPolygonFiller : public boost::noncopyable
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68 {
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69 public:
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70 virtual ~IPolygonFiller()
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71 {
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72 }
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73
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74 virtual void Fill(int y,
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75 int x1,
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76 int x2) = 0;
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77 };
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78
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79 static void Copy(ImageAccessor& target,
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80 const ImageAccessor& source);
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81
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82 static void Convert(ImageAccessor& target,
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83 const ImageAccessor& source);
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84
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85 static void ApplyWindowing_Deprecated(ImageAccessor& target,
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86 const ImageAccessor& source,
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87 float windowCenter,
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88 float windowWidth,
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89 float rescaleSlope,
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90 float rescaleIntercept,
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91 bool invert);
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92
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93 static void Set(ImageAccessor& image,
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94 int64_t value);
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95
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96 static void Set(ImageAccessor& image,
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97 uint8_t red,
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98 uint8_t green,
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99 uint8_t blue,
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100 uint8_t alpha);
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101
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102 static void Set(ImageAccessor& image,
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103 uint8_t red,
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104 uint8_t green,
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105 uint8_t blue,
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106 ImageAccessor& alpha);
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107
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108 static void ShiftRight(ImageAccessor& target,
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109 unsigned int shift);
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110
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111 static void ShiftLeft(ImageAccessor& target,
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112 unsigned int shift);
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113
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114 static void GetMinMaxIntegerValue(int64_t& minValue,
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115 int64_t& maxValue,
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116 const ImageAccessor& image);
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117
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118 static void GetMinMaxFloatValue(float& minValue,
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119 float& maxValue,
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120 const ImageAccessor& image);
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121
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122 static void AddConstant(ImageAccessor& image,
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123 int64_t value);
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124
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125 // "useRound" is expensive
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126 static void MultiplyConstant(ImageAccessor& image,
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127 float factor,
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128 bool useRound);
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129
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130 // Computes "(x + offset) * scaling" inplace. "useRound" is expensive.
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131 static void ShiftScale(ImageAccessor& image,
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132 float offset,
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133 float scaling,
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134 bool useRound);
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135
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136 static void ShiftScale(ImageAccessor& target,
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137 const ImageAccessor& source,
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138 float offset,
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139 float scaling,
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140 bool useRound);
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141
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142 // Computes "x * scaling + offset" inplace. "useRound" is expensive.
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143 static void ShiftScale2(ImageAccessor& image,
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144 float offset,
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145 float scaling,
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146 bool useRound);
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147
73c22208272f ImageProcessing::ShiftScale2()
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148 static void ShiftScale2(ImageAccessor& target,
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149 const ImageAccessor& source,
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150 float offset,
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151 float scaling,
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152 bool useRound);
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153
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154 static void Invert(ImageAccessor& image);
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155
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156 static void Invert(ImageAccessor& image, int64_t maxValue);
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157
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158 static void DrawLineSegment(ImageAccessor& image,
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159 int x0,
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160 int y0,
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161 int x1,
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162 int y1,
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163 int64_t value);
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164
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165 static void DrawLineSegment(ImageAccessor& image,
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166 int x0,
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167 int y0,
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168 int x1,
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169 int y1,
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170 uint8_t red,
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171 uint8_t green,
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172 uint8_t blue,
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173 uint8_t alpha);
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174
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175 static void FillPolygon(IPolygonFiller& filler,
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176 const std::vector<ImagePoint>& points);
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177
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178 static void FillPolygon(ImageAccessor& image,
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179 const std::vector<ImagePoint>& points,
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180 int64_t value);
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181
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182 static void Resize(ImageAccessor& target,
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183 const ImageAccessor& source);
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184
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185 static ImageAccessor* Halve(const ImageAccessor& source,
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186 bool forceMinimalPitch);
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187
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188 static void FlipX(ImageAccessor& image);
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189
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190 static void FlipY(ImageAccessor& image);
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191
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192 static void SeparableConvolution(ImageAccessor& image /* inplace */,
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193 const std::vector<float>& horizontal,
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194 size_t horizontalAnchor,
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195 const std::vector<float>& vertical,
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196 size_t verticalAnchor,
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197 bool useRound /* this is expensive */);
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198
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199 static void SmoothGaussian5x5(ImageAccessor& image,
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200 bool useRound /* this is expensive */);
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201
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202 static void FitSize(ImageAccessor& target,
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203 const ImageAccessor& source);
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204
2e1564f57542 ImageProcessing::FitSizeKeepAspectRatio()
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205 // Resize the image to the given width/height. The resized image
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206 // occupies the entire canvas (aspect ratio is not preserved).
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207 static ImageAccessor* FitSize(const ImageAccessor& source,
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208 unsigned int width,
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209 unsigned int height);
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210
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211 // Resize an image, but keeps its original aspect ratio. Zeros are
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212 // added around the image to reach the specified size.
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213 static ImageAccessor* FitSizeKeepAspectRatio(const ImageAccessor& source,
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214 unsigned int width,
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215 unsigned int height);
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216
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217 // https://en.wikipedia.org/wiki/YCbCr#JPEG_conversion
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218 static void ConvertJpegYCbCrToRgb(ImageAccessor& image /* inplace */);
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219
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220 static void SwapEndianness(ImageAccessor& image /* inplace */);
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221
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222 static void Maximum(ImageAccessor& image /* inout */,
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223 const ImageAccessor& other);
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224 };
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839be3022203 DicomImageInformation
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225 }