Mercurial > hg > orthanc-stone
annotate Samples/Sdl/TrackerSampleApp.h @ 858:e3c56d4f863f
GuiAdapter : mouse event routing in SDL + split the undo stack from the
ViewportController for multi-canvas apps + adapted the samples to this change
| author | Benjamin Golinvaux <bgo@osimis.io> |
|---|---|
| date | Mon, 24 Jun 2019 10:31:04 +0200 |
| parents | e42b491f1fb2 |
| children | 0aff28f15ea2 |
| rev | line source |
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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" |
| 644 | 28 |
| 29 #include <SDL.h> | |
| 30 | |
| 31 #include <boost/make_shared.hpp> | |
| 32 #include <boost/shared_ptr.hpp> | |
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33 #include <boost/enable_shared_from_this.hpp> |
| 644 | 34 |
| 35 namespace OrthancStone | |
| 36 { | |
| 37 enum GuiTool | |
| 38 { | |
| 39 GuiTool_Rotate = 0, | |
| 40 GuiTool_Pan, | |
| 41 GuiTool_Zoom, | |
| 42 GuiTool_LineMeasure, | |
| 43 GuiTool_CircleMeasure, | |
| 44 GuiTool_AngleMeasure, | |
| 45 GuiTool_EllipseMeasure, | |
| 46 GuiTool_LAST | |
| 47 }; | |
| 48 | |
| 49 const char* MeasureToolToString(size_t i); | |
| 50 | |
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51 static const unsigned int FONT_SIZE_0 = 32; |
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52 static const unsigned int FONT_SIZE_1 = 24; |
| 644 | 53 |
| 54 class Scene2D; | |
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55 class UndoStack; |
| 644 | 56 |
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57 class TrackerSampleApp : public IObserver |
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58 , public boost::enable_shared_from_this<TrackerSampleApp> |
| 644 | 59 { |
| 60 public: | |
| 61 // 12 because. | |
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62 TrackerSampleApp(MessageBroker& broker); |
| 644 | 63 void PrepareScene(); |
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64 void Run(); |
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65 void SetInfoDisplayMessage(std::string key, std::string value); |
| 644 | 66 void DisableTracker(); |
| 67 | |
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68 boost::shared_ptr<Scene2D> GetScene(); |
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69 boost::shared_ptr<const Scene2D> GetScene() const; |
| 644 | 70 |
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71 void HandleApplicationEvent(const SDL_Event& event); |
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72 |
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73 /** |
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74 This method is called when the scene transform changes. It allows to |
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75 recompute the visual elements whose content depend upon the scene transform |
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76 */ |
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77 void OnSceneTransformChanged( |
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78 const ViewportController::SceneTransformChanged& message); |
| 644 | 79 |
| 80 private: | |
| 81 void SelectNextTool(); | |
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82 void CreateRandomMeasureTool(); |
| 644 | 83 |
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84 /** |
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85 This returns a random point in the canvas part of the scene, but in |
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86 scene coordinates |
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87 */ |
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88 ScenePoint2D GetRandomPointInScene() const; |
| 644 | 89 |
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90 boost::shared_ptr<IFlexiblePointerTracker> TrackerHitTest(const PointerEvent& e); |
| 644 | 91 |
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92 boost::shared_ptr<IFlexiblePointerTracker> CreateSuitableTracker( |
| 644 | 93 const SDL_Event& event, |
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94 const PointerEvent& e); |
| 644 | 95 |
| 96 void TakeScreenshot( | |
| 97 const std::string& target, | |
| 98 unsigned int canvasWidth, | |
| 99 unsigned int canvasHeight); | |
| 100 | |
| 101 /** | |
| 102 This adds the command at the top of the undo stack | |
| 103 */ | |
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104 void Commit(boost::shared_ptr<TrackerCommand> cmd); |
| 644 | 105 void Undo(); |
| 106 void Redo(); | |
| 107 | |
| 108 private: | |
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109 void DisplayFloatingCtrlInfoText(const PointerEvent& e); |
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110 void DisplayInfoText(); |
| 644 | 111 void HideInfoText(); |
| 112 | |
| 113 private: | |
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114 std::auto_ptr<OpenGLCompositor> compositor_; |
| 644 | 115 /** |
| 116 WARNING: the measuring tools do store a reference to the scene, and it | |
| 117 paramount that the scene gets destroyed AFTER the measurement tools. | |
| 118 */ | |
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119 boost::shared_ptr<ViewportController> controller_; |
| 644 | 120 |
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121 std::map<std::string, std::string> infoTextMap_; |
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122 boost::shared_ptr<IFlexiblePointerTracker> activeTracker_; |
| 644 | 123 |
| 124 //static const int LAYER_POSITION = 150; | |
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125 |
| 644 | 126 int TEXTURE_2x2_1_ZINDEX; |
| 127 int TEXTURE_1x1_ZINDEX; | |
| 128 int TEXTURE_2x2_2_ZINDEX; | |
| 129 int LINESET_1_ZINDEX; | |
| 130 int LINESET_2_ZINDEX; | |
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131 int FLOATING_INFOTEXT_LAYER_ZINDEX; |
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132 int FIXED_INFOTEXT_LAYER_ZINDEX; |
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133 |
| 644 | 134 GuiTool currentTool_; |
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135 boost::shared_ptr<UndoStack> undoStack_; |
| 644 | 136 }; |
| 137 | |
| 138 } |