Mercurial > hg > orthanc-stone

annotate Framework/Radiography/RadiographyLayerCropTracker.cpp @ 621:8adc8cfb50c7

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author Sebastien Jodogne <s.jodogne@gmail.com>
date Tue, 07 May 2019 11:59:46 +0200
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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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20
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21
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22 #include "RadiographyLayerCropTracker.h"
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23
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24 #include "RadiographySceneCommand.h"
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25
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26 #include <Core/OrthancException.h>
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27
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28 namespace OrthancStone
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29 {
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30 class RadiographyLayerCropTracker::UndoRedoCommand : public RadiographySceneCommand
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31 {
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32 private:
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33 unsigned int sourceCropX_;
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34 unsigned int sourceCropY_;
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35 unsigned int sourceCropWidth_;
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36 unsigned int sourceCropHeight_;
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37 unsigned int targetCropX_;
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38 unsigned int targetCropY_;
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39 unsigned int targetCropWidth_;
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40 unsigned int targetCropHeight_;
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41
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42 protected:
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43 virtual void UndoInternal(RadiographyLayer& layer) const
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44 {
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45 layer.SetCrop(sourceCropX_, sourceCropY_, sourceCropWidth_, sourceCropHeight_);
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46 }
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47
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48 virtual void RedoInternal(RadiographyLayer& layer) const
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49 {
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50 layer.SetCrop(targetCropX_, targetCropY_, targetCropWidth_, targetCropHeight_);
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51 }
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52
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53 public:
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54 UndoRedoCommand(const RadiographyLayerCropTracker& tracker) :
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55 RadiographySceneCommand(tracker.accessor_),
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56 sourceCropX_(tracker.cropX_),
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57 sourceCropY_(tracker.cropY_),
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58 sourceCropWidth_(tracker.cropWidth_),
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59 sourceCropHeight_(tracker.cropHeight_)
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60 {
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61 tracker.accessor_.GetLayer().GetCrop(targetCropX_, targetCropY_,
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62 targetCropWidth_, targetCropHeight_);
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63 }
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64 };
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65
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66
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67 RadiographyLayerCropTracker::RadiographyLayerCropTracker(UndoRedoStack& undoRedoStack,
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68 RadiographyScene& scene,
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69 const ViewportGeometry& view,
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70 size_t layer,
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71 const ControlPoint& startControlPoint) :
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72 undoRedoStack_(undoRedoStack),
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73 accessor_(scene, layer),
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74 startControlPoint_(startControlPoint)
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75 {
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76 if (accessor_.IsValid())
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77 {
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78 accessor_.GetLayer().GetCrop(cropX_, cropY_, cropWidth_, cropHeight_);
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79 }
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80 }
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82
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83 void RadiographyLayerCropTracker::Render(CairoContext& context,
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84 double zoom)
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85 {
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86 throw Orthanc::OrthancException(Orthanc::ErrorCode_InternalError);
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87 }
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89
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90 void RadiographyLayerCropTracker::MouseUp()
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91 {
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92 if (accessor_.IsValid())
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93 {
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94 undoRedoStack_.Add(new UndoRedoCommand(*this));
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95 }
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96 }
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97
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98
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99 void RadiographyLayerCropTracker::MouseMove(int displayX,
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100 int displayY,
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101 double sceneX,
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102 double sceneY,
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103 const std::vector<Touch>& displayTouches,
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104 const std::vector<Touch>& sceneTouches)
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105 {
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106 if (accessor_.IsValid())
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107 {
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108 unsigned int x, y;
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109
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110 RadiographyLayer& layer = accessor_.GetLayer();
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111 if (layer.GetPixel(x, y, sceneX, sceneY))
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112 {
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113 unsigned int targetX, targetWidth;
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114
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115 if (startControlPoint_.index == ControlPoint_TopLeftCorner ||
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116 startControlPoint_.index == ControlPoint_BottomLeftCorner)
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117 {
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118 targetX = std::min(x, cropX_ + cropWidth_);
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119 targetWidth = cropX_ + cropWidth_ - targetX;
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120 }
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121 else
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122 {
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123 targetX = cropX_;
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124 targetWidth = std::max(x, cropX_) - cropX_;
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125 }
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126
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127 unsigned int targetY, targetHeight;
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128
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129 if (startControlPoint_.index == ControlPoint_TopLeftCorner ||
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130 startControlPoint_.index == ControlPoint_TopRightCorner)
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131 {
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132 targetY = std::min(y, cropY_ + cropHeight_);
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133 targetHeight = cropY_ + cropHeight_ - targetY;
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134 }
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135 else
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136 {
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137 targetY = cropY_;
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138 targetHeight = std::max(y, cropY_) - cropY_;
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139 }
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140
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141 layer.SetCrop(targetX, targetY, targetWidth, targetHeight);
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142 }
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143 }
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144 }
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145 }