Mercurial > hg > orthanc-stone
annotate Samples/Sdl/TrackerSampleApp.h @ 892:50cd372e2460
fix OpenGL context for fonts
author | Sebastien Jodogne <s.jodogne@gmail.com> |
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date | Thu, 11 Jul 2019 09:18:55 +0200 |
parents | 0aff28f15ea2 |
children | 0c5201499af8 |
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 void HandleApplicationEvent(const SDL_Event& event); |
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69 |
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70 /** |
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71 This method is called when the scene transform changes. It allows to |
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72 recompute the visual elements whose content depend upon the scene transform |
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73 */ |
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74 void OnSceneTransformChanged( |
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75 const ViewportController::SceneTransformChanged& message); |
644 | 76 |
77 private: | |
78 void SelectNextTool(); | |
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79 void CreateRandomMeasureTool(); |
644 | 80 |
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81 /** |
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82 This returns a random point in the canvas part of the scene, but in |
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83 scene coordinates |
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84 */ |
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85 ScenePoint2D GetRandomPointInScene() const; |
644 | 86 |
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87 boost::shared_ptr<IFlexiblePointerTracker> TrackerHitTest(const PointerEvent& e); |
644 | 88 |
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89 boost::shared_ptr<IFlexiblePointerTracker> CreateSuitableTracker( |
644 | 90 const SDL_Event& event, |
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91 const PointerEvent& e); |
644 | 92 |
93 void TakeScreenshot( | |
94 const std::string& target, | |
95 unsigned int canvasWidth, | |
96 unsigned int canvasHeight); | |
97 | |
98 /** | |
99 This adds the command at the top of the undo stack | |
100 */ | |
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101 void Commit(boost::shared_ptr<TrackerCommand> cmd); |
644 | 102 void Undo(); |
103 void Redo(); | |
104 | |
105 private: | |
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106 void DisplayFloatingCtrlInfoText(const PointerEvent& e); |
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107 void DisplayInfoText(); |
644 | 108 void HideInfoText(); |
109 | |
110 private: | |
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111 std::auto_ptr<OpenGLCompositor> compositor_; |
644 | 112 /** |
113 WARNING: the measuring tools do store a reference to the scene, and it | |
114 paramount that the scene gets destroyed AFTER the measurement tools. | |
115 */ | |
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116 boost::shared_ptr<ViewportController> controller_; |
644 | 117 |
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118 std::map<std::string, std::string> infoTextMap_; |
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119 boost::shared_ptr<IFlexiblePointerTracker> activeTracker_; |
644 | 120 |
121 //static const int LAYER_POSITION = 150; | |
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122 |
644 | 123 int TEXTURE_2x2_1_ZINDEX; |
124 int TEXTURE_1x1_ZINDEX; | |
125 int TEXTURE_2x2_2_ZINDEX; | |
126 int LINESET_1_ZINDEX; | |
127 int LINESET_2_ZINDEX; | |
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128 int FLOATING_INFOTEXT_LAYER_ZINDEX; |
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129 int FIXED_INFOTEXT_LAYER_ZINDEX; |
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130 |
644 | 131 GuiTool currentTool_; |
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132 boost::shared_ptr<UndoStack> undoStack_; |
644 | 133 }; |
134 | |
135 } |