Mercurial > hg > orthanc-stone
annotate Framework/Widgets/WorldSceneWidget.h @ 47:28956ed68280
agpl license
author | Sebastien Jodogne <s.jodogne@gmail.com> |
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date | Thu, 27 Apr 2017 11:00:15 +0200 |
parents | 7207a407bcd8 |
children | 25befef48c35 4cff7b1ed31d |
rev | line source |
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0 | 1 /** |
2 * Stone of Orthanc | |
3 * Copyright (C) 2012-2016 Sebastien Jodogne, Medical Physics | |
4 * Department, University Hospital of Liege, Belgium | |
40
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 } |