annotate Framework/Radiography/RadiographyLayer.h @ 620:fd9b9d993fc7 am-dev

added flip to RadiographyLayer
author Alain Mazy <alain@mazy.be>
date Tue, 07 May 2019 11:15:57 +0200
parents 77e0eb83ff63
children 8d66efecd91c
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1 /**
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2 * Stone of Orthanc
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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 Affero 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 * Affero 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 Affero General Public License
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18 * along with this program. If not, see <http://www.gnu.org/licenses/>.
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19 **/
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21
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22 #pragma once
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23
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24 #include "../Toolbox/AffineTransform2D.h"
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25 #include "../Toolbox/Extent2D.h"
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26 #include "../Viewport/CairoContext.h"
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27 #include "../Messages/IMessage.h"
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28 #include "../Messages/IObservable.h"
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29
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30 namespace OrthancStone
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31 {
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32 class RadiographyScene;
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33
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34 struct ControlPoint
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35 {
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36 double x;
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37 double y;
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38 size_t index;
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39
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40 ControlPoint(double x, double y, size_t index)
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41 : x(x),
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42 y(y),
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43 index(index)
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44 {}
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45
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46 ControlPoint()
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47 : x(0),
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48 y(0),
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49 index(std::numeric_limits<size_t>::max())
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50 {}
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51 };
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52
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53 class RadiographyLayer : public IObservable
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54 {
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55 friend class RadiographyScene;
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56
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57 public:
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58 class LayerEditedMessage :
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59 public OriginMessage<MessageType_RadiographyLayer_Edited, RadiographyLayer>
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60 {
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61 private:
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62
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63 public:
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64 LayerEditedMessage(const RadiographyLayer& origin) :
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65 OriginMessage(origin)
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66 {
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67 }
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68 };
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69
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70
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71 class Geometry
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72 {
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73 bool hasCrop_;
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74 unsigned int cropX_;
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75 unsigned int cropY_;
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76 unsigned int cropWidth_;
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77 unsigned int cropHeight_;
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78 bool verticalFlip_;
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79 bool horizontalFlip_;
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80 double panX_;
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81 double panY_;
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82 double angle_;
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83 bool resizeable_;
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84 double pixelSpacingX_;
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85 double pixelSpacingY_;
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86
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87 public:
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88 Geometry();
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89
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90 void ResetCrop()
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91 {
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92 hasCrop_ = false;
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93 }
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94
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95 void SetCrop(unsigned int x,
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96 unsigned int y,
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97 unsigned int width,
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98 unsigned int height)
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99 {
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100 hasCrop_ = true;
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101 cropX_ = x;
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102 cropY_ = y;
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103 cropWidth_ = width;
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104 cropHeight_ = height;
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105 }
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106
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107 bool HasCrop() const
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108 {
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109 return hasCrop_;
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110 }
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111
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112 void GetCrop(unsigned int& x,
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113 unsigned int& y,
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114 unsigned int& width,
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115 unsigned int& height) const;
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116
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117 void SetAngle(double angle)
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118 {
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119 angle_ = angle;
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120 }
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121
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122 double GetAngle() const
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123 {
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124 return angle_;
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125 }
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126
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127 void SetPan(double x,
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128 double y)
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129 {
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130 panX_ = x;
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131 panY_ = y;
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132 }
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133
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134 double GetPanX() const
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135 {
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136 return panX_;
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137 }
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138
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139 double GetPanY() const
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140 {
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141 return panY_;
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142 }
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143
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144 bool IsResizeable() const
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145 {
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146 return resizeable_;
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147 }
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148
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149 void SetResizeable(bool resizeable)
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150 {
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151 resizeable_ = resizeable;
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152 }
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153
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154 void SetPixelSpacing(double x,
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155 double y)
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156 {
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157 pixelSpacingX_ = x;
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158 pixelSpacingY_ = y;
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159 }
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160
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161 double GetPixelSpacingX() const
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162 {
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163 return pixelSpacingX_;
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164 }
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165
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166 double GetPixelSpacingY() const
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167 {
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168 return pixelSpacingY_;
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169 }
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170
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171 void SetVerticalFlip(bool flip) // mirrors image around an horizontal axis (note: flip is applied before the rotation !)
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172 {
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173 verticalFlip_ = flip;
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174 }
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175
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176 void SetHorizontalFlip(bool flip) // mirrors image around a vertical axis (note: flip is applied before the rotation !)
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177 {
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178 horizontalFlip_ = flip;
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179 }
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180
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181 bool GetVerticalFlip() const
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182 {
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183 return verticalFlip_;
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184 }
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185
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186 bool GetHorizontalFlip() const
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187 {
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188 return horizontalFlip_;
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189 }
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190
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191 double GetScalingX() const
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192 {
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193 return (horizontalFlip_ ? - pixelSpacingX_: pixelSpacingX_);
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194 }
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195
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196 double GetScalingY() const
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197 {
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198 return (verticalFlip_ ? - pixelSpacingY_: pixelSpacingY_);
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199 }
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200 };
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201
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202 private:
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203 size_t index_;
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204 bool hasSize_;
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205 unsigned int width_;
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206 unsigned int height_;
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207 AffineTransform2D transform_;
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208 AffineTransform2D transformInverse_;
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209 Geometry geometry_;
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210 PhotometricDisplayMode prefferedPhotometricDisplayMode_;
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211 const RadiographyScene& scene_;
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212
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213 protected:
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214 virtual const AffineTransform2D& GetTransform() const
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215 {
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216 return transform_;
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217 }
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218
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219 virtual const AffineTransform2D& GetTransformInverse() const
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220 {
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221 return transformInverse_;
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222 }
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223
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224 void SetPreferredPhotomotricDisplayMode(PhotometricDisplayMode prefferedPhotometricDisplayMode);
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225
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226 private:
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227 void UpdateTransform();
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228
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229 void AddToExtent(Extent2D& extent,
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230 double x,
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231 double y) const;
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232
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233 void SetIndex(size_t index)
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234 {
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235 index_ = index;
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236 }
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237
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238 bool Contains(double x,
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239 double y) const;
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240
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241 void DrawBorders(CairoContext& context,
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242 double zoom);
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243
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244 public:
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245 RadiographyLayer(MessageBroker& broker, const RadiographyScene& scene);
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246
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247 virtual ~RadiographyLayer()
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248 {
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249 }
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250
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251 size_t GetIndex() const
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252 {
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253 return index_;
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254 }
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255
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256 const RadiographyScene& GetScene() const
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257 {
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258 return scene_;
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259 }
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260
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261 const Geometry& GetGeometry() const
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262 {
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263 return geometry_;
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264 }
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265
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266 void SetGeometry(const Geometry& geometry);
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267
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268 void ResetCrop();
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269
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270 void SetCrop(unsigned int x,
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271 unsigned int y,
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272 unsigned int width,
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273 unsigned int height);
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274
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275 void GetCrop(unsigned int& x,
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276 unsigned int& y,
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277 unsigned int& width,
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278 unsigned int& height) const;
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279
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280 void SetAngle(double angle);
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281
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282 void SetPan(double x,
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283 double y);
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284
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285 void SetVerticalFlip(bool flip); // mirrors image around an horizontal axis (note: flip is applied before the rotation !)
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286
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287 void SetHorizontalFlip(bool flip); // mirrors image around a vertical axis (note: flip is applied before the rotation !)
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288
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289 void SetResizeable(bool resizeable)
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290 {
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291 geometry_.SetResizeable(resizeable);
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292 }
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293
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294 void SetSize(unsigned int width,
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295 unsigned int height);
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296
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297 bool HasSize() const
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298 {
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299 return hasSize_;
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300 }
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301
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302 unsigned int GetWidth() const
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303 {
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304 return width_;
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305 }
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306
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307 unsigned int GetHeight() const
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308 {
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309 return height_;
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310 }
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311
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312 Extent2D GetExtent() const;
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313
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314 virtual bool GetPixel(unsigned int& imageX,
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315 unsigned int& imageY,
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316 double sceneX,
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317 double sceneY) const;
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318
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319 void SetPixelSpacing(double x,
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320 double y);
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321
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322 void GetCenter(double& centerX,
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323 double& centerY) const;
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324
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325 virtual void GetControlPoint(ControlPoint& cpScene /* out in scene coordinates */,
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326 size_t index) const;
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327
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328 virtual size_t GetControlPointCount() const;
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329
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330 bool LookupControlPoint(ControlPoint& cpScene /* out */,
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331 double x,
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332 double y,
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333 double zoom,
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334 double viewportDistance) const;
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335
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336 virtual bool GetDefaultWindowing(float& center,
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337 float& width) const = 0;
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338
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339 PhotometricDisplayMode GetPreferredPhotomotricDisplayMode() const
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340 {
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341 return prefferedPhotometricDisplayMode_;
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342 }
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343
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344 virtual void Render(Orthanc::ImageAccessor& buffer,
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345 const AffineTransform2D& viewTransform,
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346 ImageInterpolation interpolation) const = 0;
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347
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348 virtual bool GetRange(float& minValue,
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349 float& maxValue) const = 0;
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350
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351 friend class RadiographyMaskLayer; // because it needs to GetTransform on the dicomLayer it relates to
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352 };
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353 }