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comparison Framework/Widgets/LayerWidget.h @ 66:298f375dcb68 wasm

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LayerWidget
author Sebastien Jodogne <s.jodogne@gmail.com>
date Wed, 17 May 2017 22:03:09 +0200
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children f5f54ed8d307
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65:885932a893de 66:298f375dcb68
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 Osimis, 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
22 #pragma once
23
24 #include "WorldSceneWidget.h"
25 #include "../Layers/ILayerSource.h"
26
27 #include <map>
28
29 namespace OrthancStone
30 {
31 class LayerWidget :
32 public WorldSceneWidget,
33 public ILayerSource::IObserver // TODO move this as PImpl
34 {
35 private:
36 class Scene;
37
38 typedef std::map<ILayerSource*, size_t> LayersIndex;
39
40 bool started_;
41 LayersIndex layersIndex_;
42 std::vector<ILayerSource*> layers_;
43 std::vector<RenderStyle> styles_;
44 SliceGeometry slice_;
45 double sliceThickness_;
46 std::auto_ptr<Scene> currentScene_;
47 std::auto_ptr<Scene> pendingScene_;
48
49
50 bool LookupLayer(size_t& index /* out */,
51 ILayerSource& layer) const;
52
53
54 protected:
55 virtual void GetSceneExtent(double& x1,
56 double& y1,
57 double& x2,
58 double& y2);
59
60 virtual bool RenderScene(CairoContext& context,
61 const ViewportGeometry& view);
62
63 void ResetPendingScene();
64
65 void UpdateLayer(size_t index,
66 ILayerRenderer* renderer,
67 const SliceGeometry& slice);
68
69 public:
70 LayerWidget();
71
72 virtual ~LayerWidget();
73
74 size_t AddLayer(ILayerSource* layer); // Takes ownership
75
76 void SetLayerStyle(size_t layer,
77 const RenderStyle& style);
78
79 void SetSlice(const SliceGeometry& slice,
80 double sliceThickness);
81
82 virtual void NotifyGeometryReady(ILayerSource& source);
83
84 virtual void NotifySourceChange(ILayerSource& source);
85
86 virtual void NotifySliceChange(ILayerSource& source,
87 const SliceGeometry& slice);
88
89 virtual void NotifyLayerReady(ILayerRenderer* renderer,
90 ILayerSource& source,
91 const SliceGeometry& viewportSlice);
92
93 virtual void NotifyLayerError(ILayerSource& source,
94 const SliceGeometry& viewportSlice);
95
96 virtual void Start();
97 };
98 }