Mercurial > hg > orthanc-stone
annotate Samples/Sdl/TrackerSampleApp.h @ 654:462a5074f914
Turned the scene into an observable to be able to dynamically react to
scene to canvas transform changes --> now the handles and angle measure
adornments are immune to zoom changes
| author | Benjamin Golinvaux <bgo@osimis.io> |
|---|---|
| date | Tue, 14 May 2019 13:51:00 +0200 |
| parents | f939f449482c |
| children | 002d9562c8f5 |
| rev | line source |
|---|---|
| 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 | |
| 21 #include <Framework/Scene2D/OpenGLCompositor.h> | |
|
654
462a5074f914
Turned the scene into an observable to be able to dynamically react to
Benjamin Golinvaux <bgo@osimis.io>
parents:
644
diff
changeset
|
22 #include <Framework/Messages/IObserver.h> |
| 644 | 23 |
| 24 #include "../Common/IFlexiblePointerTracker.h" | |
| 25 #include "../Common/MeasureTools.h" | |
| 26 | |
| 27 #include <SDL.h> | |
| 28 | |
| 29 #include <boost/make_shared.hpp> | |
| 30 #include <boost/shared_ptr.hpp> | |
| 31 | |
| 32 namespace OrthancStone | |
| 33 { | |
| 34 class TrackerCommand; | |
| 35 typedef boost::shared_ptr<TrackerCommand> TrackerCommandPtr; | |
| 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 | |
| 51 static const unsigned int FONT_SIZE = 32; | |
| 52 | |
| 53 class Scene2D; | |
| 54 | |
|
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462a5074f914
Turned the scene into an observable to be able to dynamically react to
Benjamin Golinvaux <bgo@osimis.io>
parents:
644
diff
changeset
|
55 class TrackerSampleApp : public IObserver |
| 644 | 56 { |
| 57 public: | |
| 58 // 12 because. | |
|
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462a5074f914
Turned the scene into an observable to be able to dynamically react to
Benjamin Golinvaux <bgo@osimis.io>
parents:
644
diff
changeset
|
59 TrackerSampleApp(MessageBroker& broker) |
|
462a5074f914
Turned the scene into an observable to be able to dynamically react to
Benjamin Golinvaux <bgo@osimis.io>
parents:
644
diff
changeset
|
60 : IObserver(broker) |
|
462a5074f914
Turned the scene into an observable to be able to dynamically react to
Benjamin Golinvaux <bgo@osimis.io>
parents:
644
diff
changeset
|
61 , currentTool_(GuiTool_Rotate) |
|
462a5074f914
Turned the scene into an observable to be able to dynamically react to
Benjamin Golinvaux <bgo@osimis.io>
parents:
644
diff
changeset
|
62 , scene_(broker) |
| 644 | 63 { |
| 64 TEXTURE_2x2_1_ZINDEX = 1; | |
| 65 TEXTURE_1x1_ZINDEX = 2; | |
| 66 TEXTURE_2x2_2_ZINDEX = 3; | |
| 67 LINESET_1_ZINDEX = 4; | |
| 68 LINESET_2_ZINDEX = 5; | |
| 69 INFOTEXT_LAYER_ZINDEX = 6; | |
| 70 } | |
| 71 void PrepareScene(); | |
| 72 | |
| 73 void DisableTracker(); | |
| 74 | |
| 75 Scene2D& GetScene(); | |
| 76 | |
| 77 void HandleApplicationEvent( | |
| 78 const OpenGLCompositor& compositor, | |
| 79 const SDL_Event& event); | |
| 80 | |
| 81 private: | |
| 82 void SelectNextTool(); | |
| 83 | |
| 84 | |
| 85 FlexiblePointerTrackerPtr TrackerHitTest(const PointerEvent& e); | |
| 86 | |
| 87 FlexiblePointerTrackerPtr CreateSuitableTracker( | |
| 88 const SDL_Event& event, | |
| 89 const PointerEvent& e, | |
| 90 const OpenGLCompositor& compositor); | |
| 91 | |
| 92 void TakeScreenshot( | |
| 93 const std::string& target, | |
| 94 unsigned int canvasWidth, | |
| 95 unsigned int canvasHeight); | |
| 96 | |
| 97 /** | |
| 98 This adds the command at the top of the undo stack | |
| 99 */ | |
| 100 void Commit(TrackerCommandPtr cmd); | |
| 101 void Undo(); | |
| 102 void Redo(); | |
| 103 | |
| 104 private: | |
| 105 void DisplayInfoText(const PointerEvent& e); | |
| 106 void HideInfoText(); | |
| 107 | |
| 108 private: | |
| 109 /** | |
| 110 WARNING: the measuring tools do store a reference to the scene, and it | |
| 111 paramount that the scene gets destroyed AFTER the measurement tools. | |
| 112 */ | |
| 113 Scene2D scene_; | |
| 114 | |
| 115 FlexiblePointerTrackerPtr activeTracker_; | |
| 116 std::vector<TrackerCommandPtr> undoStack_; | |
| 117 | |
| 118 // we store the measure tools here so that they don't get deleted | |
| 119 std::vector<MeasureToolPtr> measureTools_; | |
| 120 | |
| 121 //static const int LAYER_POSITION = 150; | |
| 122 #if 0 | |
| 123 int TEXTURE_2x2_1_ZINDEX = 12; | |
| 124 int TEXTURE_1x1_ZINDEX = 13; | |
| 125 int TEXTURE_2x2_2_ZINDEX = 14; | |
| 126 int LINESET_1_ZINDEX = 50; | |
| 127 int LINESET_2_ZINDEX = 100; | |
| 128 int INFOTEXT_LAYER_ZINDEX = 150; | |
| 129 #else | |
| 130 int TEXTURE_2x2_1_ZINDEX; | |
| 131 int TEXTURE_1x1_ZINDEX; | |
| 132 int TEXTURE_2x2_2_ZINDEX; | |
| 133 int LINESET_1_ZINDEX; | |
| 134 int LINESET_2_ZINDEX; | |
| 135 int INFOTEXT_LAYER_ZINDEX; | |
| 136 #endif | |
| 137 GuiTool currentTool_; | |
| 138 }; | |
| 139 | |
| 140 } |