Mercurial > hg > orthanc-stone
annotate Framework/Radiography/RadiographyLayerCropTracker.cpp @ 438:237160cbb44f am-vsol-upgrade
allow derivation of RadiographyScene
author | am@osimis.io |
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date | Thu, 20 Dec 2018 18:24:52 +0100 |
parents | 04711a2e12cd |
children | a750f11892ec |
rev | line source |
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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) 2017-2018 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 double x, |
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72 double y, |
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73 Corner corner) : |
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74 undoRedoStack_(undoRedoStack), |
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75 accessor_(scene, layer), |
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76 corner_(corner) |
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77 { |
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78 if (accessor_.IsValid()) |
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79 { |
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80 accessor_.GetLayer().GetCrop(cropX_, cropY_, cropWidth_, cropHeight_); |
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81 } |
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82 } |
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83 |
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84 |
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85 void RadiographyLayerCropTracker::Render(CairoContext& context, |
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86 double zoom) |
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87 { |
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88 throw Orthanc::OrthancException(Orthanc::ErrorCode_InternalError); |
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89 } |
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90 |
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91 |
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92 void RadiographyLayerCropTracker::MouseUp() |
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93 { |
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94 if (accessor_.IsValid()) |
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95 { |
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96 undoRedoStack_.Add(new UndoRedoCommand(*this)); |
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97 } |
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98 } |
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99 |
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100 |
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101 void RadiographyLayerCropTracker::MouseMove(int displayX, |
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102 int displayY, |
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103 double sceneX, |
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104 double sceneY) |
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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 (corner_ == Corner_TopLeft || |
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116 corner_ == Corner_BottomLeft) |
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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 (corner_ == Corner_TopLeft || |
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130 corner_ == Corner_TopRight) |
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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 } |