Mercurial > hg > orthanc-stone
annotate Framework/Widgets/LayeredSceneWidget.h @ 56:9e3c2e75b870 wasm
extremely simplified SDL engine
author | Sebastien Jodogne <s.jodogne@gmail.com> |
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date | Fri, 28 Apr 2017 21:46:41 +0200 |
parents | c2dc924f1a63 |
children | 468c48eaa01c |
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 | |
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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 "WorldSceneWidget.h" | |
25 | |
26 #include "../Layers/ILayerRendererFactory.h" | |
27 | |
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28 #include <boost/thread/mutex.hpp> // TODO remove |
0 | 29 |
30 namespace OrthancStone | |
31 { | |
32 class LayeredSceneWidget : public WorldSceneWidget | |
33 { | |
34 public: | |
35 class ISliceObserver : public boost::noncopyable | |
36 { | |
37 public: | |
38 virtual ~ISliceObserver() | |
39 { | |
40 } | |
41 | |
42 virtual void NotifySliceChange(const LayeredSceneWidget& source, | |
43 const SliceGeometry& slice) = 0; | |
44 }; | |
45 | |
46 private: | |
47 struct SliceChangeFunctor; | |
48 class Renderers; | |
49 class PendingLayers; | |
50 class Layer; | |
51 | |
52 typedef ObserversRegistry<LayeredSceneWidget, ISliceObserver> Observers; | |
53 | |
54 std::vector<Layer*> layers_; | |
55 std::auto_ptr<Renderers> renderers_; | |
56 std::auto_ptr<PendingLayers> pendingLayers_; | |
57 std::auto_ptr<Renderers> pendingRenderers_; | |
58 boost::mutex sliceMutex_; | |
59 SliceGeometry slice_; | |
60 Observers observers_; | |
61 | |
62 protected: | |
63 virtual bool RenderScene(CairoContext& context, | |
64 const ViewportGeometry& view); | |
65 | |
66 public: | |
67 LayeredSceneWidget(); | |
68 | |
69 virtual ~LayeredSceneWidget(); | |
70 | |
71 virtual SliceGeometry GetSlice(); | |
72 | |
73 virtual void GetSceneExtent(double& x1, | |
74 double& y1, | |
75 double& x2, | |
76 double& y2); | |
77 | |
78 ILayerRendererFactory& AddLayer(size_t& layerIndex, | |
79 ILayerRendererFactory* factory); // Takes ownership | |
80 | |
81 // Simpler version for basic use cases | |
82 void AddLayer(ILayerRendererFactory* factory); // Takes ownership | |
83 | |
84 size_t GetLayerCount() const | |
85 { | |
86 return layers_.size(); | |
87 } | |
88 | |
89 RenderStyle GetLayerStyle(size_t layer); | |
90 | |
91 void SetLayerStyle(size_t layer, | |
92 const RenderStyle& style); | |
93 | |
94 void SetSlice(const SliceGeometry& slice); | |
95 | |
96 void InvalidateLayer(unsigned int layer); | |
97 | |
98 void InvalidateAllLayers(); | |
99 | |
100 virtual void Start(); | |
101 | |
102 virtual void Stop(); | |
103 | |
104 using WorldSceneWidget::Register; | |
105 using WorldSceneWidget::Unregister; | |
106 | |
107 void Register(ISliceObserver& observer) | |
108 { | |
109 observers_.Register(observer); | |
110 } | |
111 | |
112 void Unregister(ISliceObserver& observer) | |
113 { | |
114 observers_.Unregister(observer); | |
115 } | |
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116 |
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117 virtual bool HasUpdateContent() const |
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118 { |
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119 return true; |
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120 } |
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121 |
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122 virtual void UpdateContent(); |
0 | 123 }; |
124 } |