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annotate Core/Images/ImageProcessing.h @ 3886:b808958dff2a transcoding

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transcoding to jpeg-ls
author Sebastien Jodogne <s.jodogne@gmail.com>
date Tue, 05 May 2020 16:03:46 +0200
parents a9ce35d67c3c
children f9863630ec7f
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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 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 "ImageAccessor.h"
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37 #include <vector>
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38
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39 #include <stdint.h>
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40 #include <algorithm>
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41
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42 namespace Orthanc
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43 {
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44 namespace ImageProcessing
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45 {
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46 class ImagePoint
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47 {
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48 int32_t x_;
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49 int32_t y_;
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50
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51 public:
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52 ImagePoint(int32_t x, int32_t y)
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53 : x_(x),
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54 y_(y)
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55 {
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56 }
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57
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58 int32_t GetX() const {return x_;}
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59
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60 int32_t GetY() const {return y_;}
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61
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62 void Set(int32_t x, int32_t y)
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63 {
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64 x_ = x;
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65 y_ = y;
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66 }
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67
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68 void ClipTo(int32_t minX, int32_t maxX, int32_t minY, int32_t maxY)
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69 {
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70 x_ = std::max(minX, std::min(maxX, x_));
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71 y_ = std::max(minY, std::min(maxY, y_));
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72 }
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73
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74 double GetDistanceTo(const ImagePoint& other) const;
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75
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76 double GetDistanceToLine(double a, double b, double c) const; // where ax + by + c = 0 is the equation of the line
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77 };
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78
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79 void Copy(ImageAccessor& target,
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80 const ImageAccessor& source);
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81
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82 void Convert(ImageAccessor& target,
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83 const ImageAccessor& source);
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84
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85 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 void Set(ImageAccessor& image,
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94 int64_t value);
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95
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96 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 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 void ShiftRight(ImageAccessor& target,
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109 unsigned int shift);
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110
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111 void ShiftLeft(ImageAccessor& target,
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112 unsigned int shift);
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113
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114 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 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 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 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 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 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 void Invert(ImageAccessor& image);
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143
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144 void Invert(ImageAccessor& image, int64_t maxValue);
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145
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146 void DrawLineSegment(ImageAccessor& image,
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147 int x0,
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148 int y0,
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149 int x1,
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150 int y1,
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151 int64_t value);
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152
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153 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 uint8_t red,
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159 uint8_t green,
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160 uint8_t blue,
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161 uint8_t alpha);
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162
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163 void FillPolygon(ImageAccessor& image,
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164 const std::vector<ImagePoint>& points,
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165 int64_t value);
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167 void Resize(ImageAccessor& target,
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168 const ImageAccessor& source);
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170 ImageAccessor* Halve(const ImageAccessor& source,
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171 bool forceMinimalPitch);
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173 void FlipX(ImageAccessor& image);
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175 void FlipY(ImageAccessor& image);
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176
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177 void SeparableConvolution(ImageAccessor& image /* inplace */,
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178 const std::vector<float>& horizontal,
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179 size_t horizontalAnchor,
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180 const std::vector<float>& vertical,
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181 size_t verticalAnchor);
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182
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183 void SmoothGaussian5x5(ImageAccessor& image);
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184
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185 void FitSize(ImageAccessor& target,
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186 const ImageAccessor& source);
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187
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188 ImageAccessor* FitSize(const ImageAccessor& source,
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189 unsigned int width,
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190 unsigned int height);
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191 }
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192 }