Mercurial > hg > orthanc-stone
annotate Framework/Widgets/WorldSceneWidget.h @ 47:28956ed68280
agpl license
| author | Sebastien Jodogne <s.jodogne@gmail.com> |
|---|---|
| date | Thu, 27 Apr 2017 11:00:15 +0200 |
| parents | 7207a407bcd8 |
| children | 25befef48c35 4cff7b1ed31d |
| rev | line source |
|---|---|
| 0 | 1 /** |
| 2 * Stone of Orthanc | |
| 3 * Copyright (C) 2012-2016 Sebastien Jodogne, Medical Physics | |
| 4 * Department, University Hospital of Liege, Belgium | |
|
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7207a407bcd8
shared copyright with osimis
Sebastien Jodogne <s.jodogne@gmail.com>
parents:
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changeset
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5 * Copyright (C) 2017 Osimis, Belgium |
| 0 | 6 * |
| 7 * This program is free software: you can redistribute it and/or | |
| 47 | 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. | |
| 0 | 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 | |
| 47 | 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 | |
| 0 | 18 * along with this program. If not, see <http://www.gnu.org/licenses/>. |
| 19 **/ | |
| 20 | |
| 21 | |
| 22 #pragma once | |
| 23 | |
| 24 #include "CairoWidget.h" | |
| 25 #include "IWorldSceneInteractor.h" | |
| 26 | |
| 27 #include "../Toolbox/SharedValue.h" | |
| 28 #include "../Toolbox/ViewportGeometry.h" | |
| 29 | |
| 30 namespace OrthancStone | |
| 31 { | |
| 32 class WorldSceneWidget : public CairoWidget | |
| 33 { | |
| 34 public: | |
| 35 // Must be thread-safe | |
| 36 class IWorldObserver : public boost::noncopyable | |
| 37 { | |
| 38 public: | |
| 39 virtual ~IWorldObserver() | |
| 40 { | |
| 41 } | |
| 42 | |
| 43 virtual void NotifySizeChange(const WorldSceneWidget& source, | |
| 44 ViewportGeometry& view) = 0; // Can be tuned by the observer | |
| 45 | |
| 46 virtual void NotifyViewChange(const WorldSceneWidget& source, | |
| 47 const ViewportGeometry& view) = 0; | |
| 48 }; | |
| 49 | |
| 50 private: | |
| 51 struct ViewChangeFunctor; | |
| 52 struct SizeChangeFunctor; | |
| 53 | |
| 54 class SceneMouseTracker; | |
| 55 class PanMouseTracker; | |
| 56 class ZoomMouseTracker; | |
| 57 | |
| 58 typedef ObserversRegistry<WorldSceneWidget, IWorldObserver> Observers; | |
| 59 | |
| 60 SharedValue<ViewportGeometry> view_; | |
| 61 Observers observers_; | |
| 62 IWorldSceneInteractor* interactor_; | |
| 63 | |
| 64 | |
| 65 protected: | |
| 66 virtual bool RenderScene(CairoContext& context, | |
| 67 const ViewportGeometry& view) = 0; | |
| 68 | |
| 69 virtual bool HasUpdateThread() const | |
| 70 { | |
| 71 return false; | |
| 72 } | |
| 73 | |
| 74 virtual void UpdateStep(); | |
| 75 | |
| 76 virtual bool RenderCairo(CairoContext& context); | |
| 77 | |
| 78 virtual void RenderMouseOverCairo(CairoContext& context, | |
| 79 int x, | |
| 80 int y); | |
| 81 | |
| 82 void SetSceneExtent(SharedValue<ViewportGeometry>::Locker& locker); | |
| 83 | |
| 84 public: | |
| 85 WorldSceneWidget() : | |
| 86 interactor_(NULL) | |
| 87 { | |
| 88 } | |
| 89 | |
| 90 using WidgetBase::Register; | |
| 91 using WidgetBase::Unregister; | |
| 92 | |
| 93 void Register(IWorldObserver& observer) | |
| 94 { | |
| 95 observers_.Register(observer); | |
| 96 } | |
| 97 | |
| 98 void Unregister(IWorldObserver& observer) | |
| 99 { | |
| 100 observers_.Unregister(observer); | |
| 101 } | |
| 102 | |
| 103 virtual SliceGeometry GetSlice() = 0; | |
| 104 | |
| 105 virtual void GetSceneExtent(double& x1, | |
| 106 double& y1, | |
| 107 double& x2, | |
| 108 double& y2) = 0; | |
| 109 | |
| 110 virtual void SetSize(unsigned int width, | |
| 111 unsigned int height); | |
| 112 | |
| 113 void SetInteractor(IWorldSceneInteractor& interactor); | |
| 114 | |
| 115 virtual void Start(); | |
| 116 | |
| 117 void SetDefaultView(); | |
| 118 | |
| 119 void SetView(const ViewportGeometry& view); | |
| 120 | |
| 121 ViewportGeometry GetView(); | |
| 122 | |
| 123 virtual IMouseTracker* CreateMouseTracker(MouseButton button, | |
| 124 int x, | |
| 125 int y, | |
| 126 KeyboardModifiers modifiers); | |
| 127 | |
| 128 virtual void RenderSceneMouseOver(CairoContext& context, | |
| 129 const ViewportGeometry& view, | |
| 130 double x, | |
| 131 double y); | |
| 132 | |
| 133 virtual IWorldSceneMouseTracker* CreateMouseSceneTracker(const ViewportGeometry& view, | |
| 134 MouseButton button, | |
| 135 double x, | |
| 136 double y, | |
| 137 KeyboardModifiers modifiers); | |
| 138 | |
| 139 virtual void MouseWheel(MouseWheelDirection direction, | |
| 140 int x, | |
| 141 int y, | |
| 142 KeyboardModifiers modifiers); | |
| 143 | |
| 144 virtual void KeyPressed(char key, | |
| 145 KeyboardModifiers modifiers); | |
| 146 }; | |
| 147 } |