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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 #pragma once
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23
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24 #include "../Widgets/WorldSceneWidget.h"
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25 #include "RadiographyScene.h"
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26
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27
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28 namespace OrthancStone
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29 {
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30 class RadiographyWidget :
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31 public WorldSceneWidget,
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32 public IObserver
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33 {
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34 private:
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35 RadiographyScene& scene_;
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36 std::auto_ptr<Orthanc::ImageAccessor> floatBuffer_;
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37 std::auto_ptr<CairoSurface> cairoBuffer_;
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38 bool invert_;
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39 ImageInterpolation interpolation_;
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40 bool hasSelection_;
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41 size_t selectedLayer_;
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42
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43 bool RenderInternal(unsigned int width,
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44 unsigned int height,
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45 ImageInterpolation interpolation);
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46
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47 protected:
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48 virtual Extent2D GetSceneExtent()
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49 {
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50 return scene_.GetSceneExtent();
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51 }
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52
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53 virtual bool RenderScene(CairoContext& context,
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54 const ViewportGeometry& view);
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55
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56 public:
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57 RadiographyWidget(MessageBroker& broker,
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58 RadiographyScene& scene,
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59 const std::string& name);
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60
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61 RadiographyScene& GetScene() const
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62 {
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63 return scene_;
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64 }
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65
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66 void Unselect()
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67 {
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68 hasSelection_ = false;
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69 }
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70
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71 void Select(size_t layer);
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72
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73 bool LookupSelectedLayer(size_t& layer);
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74
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75 void OnGeometryChanged(const RadiographyScene::GeometryChangedMessage& message);
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76
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77 void OnContentChanged(const RadiographyScene::ContentChangedMessage& message);
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78
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79 void SetInvert(bool invert);
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80
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81 void SwitchInvert();
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82
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83 bool IsInverted() const
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84 {
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85 return invert_;
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86 }
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87
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88 void SetInterpolation(ImageInterpolation interpolation);
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89
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90 ImageInterpolation GetInterpolation() const
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91 {
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92 return interpolation_;
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93 }
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94 };
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95 }
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