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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 #pragma once
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23
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24 #include "SampleApplicationBase.h"
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25
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26 #include "../../Framework/Widgets/LayeredSceneWidget.h"
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27 #include "../../Framework/Widgets/IWorldSceneInteractor.h"
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28 #include "../../Framework/Toolbox/ParallelSlicesCursor.h"
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29
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30 namespace OrthancStone
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31 {
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32 namespace Samples
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33 {
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34 /**
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35 * This is a basic mouse interactor for sample applications. It
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36 * contains a set of parallel slices in the 3D space. The mouse
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37 * wheel events make the widget change the slice that is
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38 * displayed.
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39 **/
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40 class SampleInteractor : public IWorldSceneInteractor
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41 {
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42 private:
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43 ParallelSlicesCursor cursor_;
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44
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45 public:
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46 SampleInteractor(VolumeImage& volume,
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47 VolumeProjection projection,
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48 bool reverse)
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49 {
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50 std::auto_ptr<ParallelSlices> slices(volume.GetGeometry(projection, reverse));
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51 cursor_.SetGeometry(*slices);
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52 }
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53
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54 SampleInteractor(ISeriesLoader& series,
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55 bool reverse)
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56 {
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57 if (reverse)
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58 {
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59 std::auto_ptr<ParallelSlices> slices(series.GetGeometry().Reverse());
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60 cursor_.SetGeometry(*slices);
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61 }
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62 else
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63 {
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64 cursor_.SetGeometry(series.GetGeometry());
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65 }
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66 }
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67
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68 SampleInteractor(const ParallelSlices& slices)
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69 {
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70 cursor_.SetGeometry(slices);
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71 }
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72
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73 ParallelSlicesCursor& GetCursor()
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74 {
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75 return cursor_;
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76 }
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77
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78 void AddWidget(LayeredSceneWidget& widget)
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79 {
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80 widget.SetInteractor(*this);
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81 widget.SetSlice(cursor_.GetCurrentSlice());
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82 }
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83
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84 virtual IWorldSceneMouseTracker* CreateMouseTracker(WorldSceneWidget& widget,
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85 const ViewportGeometry& view,
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86 MouseButton button,
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87 double x,
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88 double y,
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89 IStatusBar* statusBar)
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90 {
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91 return NULL;
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92 }
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93
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94 virtual void MouseOver(CairoContext& context,
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95 WorldSceneWidget& widget,
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96 const ViewportGeometry& view,
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97 double x,
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98 double y,
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99 IStatusBar* statusBar)
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100 {
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101 }
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102
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103 virtual void MouseWheel(WorldSceneWidget& widget,
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104 MouseWheelDirection direction,
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105 KeyboardModifiers modifiers,
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106 IStatusBar* statusBar)
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107 {
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108 if (cursor_.ApplyWheelEvent(direction, modifiers))
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109 {
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110 dynamic_cast<LayeredSceneWidget&>(widget).SetSlice(cursor_.GetCurrentSlice());
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111 }
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112 }
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113
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114 virtual void KeyPressed(WorldSceneWidget& widget,
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115 char key,
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116 KeyboardModifiers modifiers,
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117 IStatusBar* statusBar)
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118 {
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119 }
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120
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121 void LookupSliceContainingPoint(LayeredSceneWidget& widget,
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122 const Vector& p)
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123 {
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124 if (cursor_.LookupSliceContainingPoint(p))
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125 {
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126 widget.SetSlice(cursor_.GetCurrentSlice());
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127 }
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128 }
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129 };
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130 }
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131 }
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