Mercurial > hg > orthanc-stone
annotate Samples/Sdl/TrackerSampleApp.h @ 1090:71c2dc28a85b broker
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author | Sebastien Jodogne <s.jodogne@gmail.com> |
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date | Wed, 23 Oct 2019 11:43:29 +0200 |
parents | eaaa9b574e05 |
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644 | 1 /** |
2 * Stone of Orthanc | |
3 * Copyright (C) 2012-2016 Sebastien Jodogne, Medical Physics | |
4 * Department, University Hospital of Liege, Belgium | |
5 * Copyright (C) 2017-2019 Osimis S.A., Belgium | |
6 * | |
7 * This program is free software: you can redistribute it and/or | |
8 * modify it under the terms of the GNU Affero General Public License | |
9 * as published by the Free Software Foundation, either version 3 of | |
10 * the License, or (at your option) any later version. | |
11 * | |
12 * This program is distributed in the hope that it will be useful, but | |
13 * WITHOUT ANY WARRANTY; without even the implied warranty of | |
14 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU | |
15 * Affero General Public License for more details. | |
16 * | |
17 * You should have received a copy of the GNU Affero General Public License | |
18 * along with this program. If not, see <http://www.gnu.org/licenses/>. | |
19 **/ | |
20 | |
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21 |
737 | 22 #include "../../Framework/Messages/IObserver.h" |
23 #include "../../Framework/Scene2D/OpenGLCompositor.h" | |
24 #include "../../Framework/Scene2DViewport/IFlexiblePointerTracker.h" | |
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25 #include "../../Framework/Scene2DViewport/MeasureTool.h" |
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26 #include "../../Framework/Scene2DViewport/PredeclaredTypes.h" |
737 | 27 #include "../../Framework/Scene2DViewport/ViewportController.h" |
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28 #include "../../Framework/Viewport/SdlViewport.h" |
644 | 29 |
30 #include <SDL.h> | |
31 | |
32 #include <boost/make_shared.hpp> | |
33 #include <boost/shared_ptr.hpp> | |
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34 #include <boost/enable_shared_from_this.hpp> |
644 | 35 |
36 namespace OrthancStone | |
37 { | |
38 enum GuiTool | |
39 { | |
40 GuiTool_Rotate = 0, | |
41 GuiTool_Pan, | |
42 GuiTool_Zoom, | |
43 GuiTool_LineMeasure, | |
44 GuiTool_CircleMeasure, | |
45 GuiTool_AngleMeasure, | |
46 GuiTool_EllipseMeasure, | |
47 GuiTool_LAST | |
48 }; | |
49 | |
50 const char* MeasureToolToString(size_t i); | |
51 | |
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52 static const unsigned int FONT_SIZE_0 = 32; |
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53 static const unsigned int FONT_SIZE_1 = 24; |
644 | 54 |
55 class Scene2D; | |
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56 class UndoStack; |
644 | 57 |
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58 class TrackerSampleApp : public IObserver |
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59 , public boost::enable_shared_from_this<TrackerSampleApp> |
644 | 60 { |
61 public: | |
62 // 12 because. | |
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63 TrackerSampleApp(MessageBroker& broker); |
644 | 64 void PrepareScene(); |
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65 void Run(); |
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66 void SetInfoDisplayMessage(std::string key, std::string value); |
644 | 67 void DisableTracker(); |
68 | |
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69 void HandleApplicationEvent(const SDL_Event& event); |
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70 |
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71 /** |
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72 This method is called when the scene transform changes. It allows to |
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73 recompute the visual elements whose content depend upon the scene transform |
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74 */ |
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75 void OnSceneTransformChanged( |
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76 const ViewportController::SceneTransformChanged& message); |
644 | 77 |
78 private: | |
79 void SelectNextTool(); | |
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80 void CreateRandomMeasureTool(); |
644 | 81 |
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82 |
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83 /** |
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84 In the case of this app, the viewport is an SDL viewport and it has |
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85 a OpenGLCompositor& GetCompositor() method |
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86 */ |
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87 ICompositor& GetCompositor(); |
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88 |
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89 /** |
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90 See the other overload |
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91 */ |
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92 const ICompositor& GetCompositor() const; |
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93 |
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94 /** |
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95 This returns a random point in the canvas part of the scene, but in |
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96 scene coordinates |
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97 */ |
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98 ScenePoint2D GetRandomPointInScene() const; |
644 | 99 |
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100 boost::shared_ptr<IFlexiblePointerTracker> TrackerHitTest(const PointerEvent& e); |
644 | 101 |
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102 boost::shared_ptr<IFlexiblePointerTracker> CreateSuitableTracker( |
644 | 103 const SDL_Event& event, |
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104 const PointerEvent& e); |
644 | 105 |
106 void TakeScreenshot( | |
107 const std::string& target, | |
108 unsigned int canvasWidth, | |
109 unsigned int canvasHeight); | |
110 | |
111 /** | |
112 This adds the command at the top of the undo stack | |
113 */ | |
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114 void Commit(boost::shared_ptr<TrackerCommand> cmd); |
644 | 115 void Undo(); |
116 void Redo(); | |
117 | |
118 private: | |
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119 void DisplayFloatingCtrlInfoText(const PointerEvent& e); |
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120 void DisplayInfoText(); |
644 | 121 void HideInfoText(); |
122 | |
123 private: | |
124 /** | |
125 WARNING: the measuring tools do store a reference to the scene, and it | |
126 paramount that the scene gets destroyed AFTER the measurement tools. | |
127 */ | |
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128 boost::shared_ptr<ViewportController> controller_; |
644 | 129 |
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130 std::map<std::string, std::string> infoTextMap_; |
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131 boost::shared_ptr<IFlexiblePointerTracker> activeTracker_; |
644 | 132 |
133 //static const int LAYER_POSITION = 150; | |
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134 |
644 | 135 int TEXTURE_2x2_1_ZINDEX; |
136 int TEXTURE_1x1_ZINDEX; | |
137 int TEXTURE_2x2_2_ZINDEX; | |
138 int LINESET_1_ZINDEX; | |
139 int LINESET_2_ZINDEX; | |
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140 int FLOATING_INFOTEXT_LAYER_ZINDEX; |
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141 int FIXED_INFOTEXT_LAYER_ZINDEX; |
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142 |
644 | 143 GuiTool currentTool_; |
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144 boost::shared_ptr<UndoStack> undoStack_; |
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145 SdlOpenGLViewport viewport_; |
644 | 146 }; |
147 | |
148 } |