Mercurial > hg > orthanc-stone
annotate Framework/Scene2D/Scene2D.h @ 697:14557e550920
BasicFetchingStrategy
author | Sebastien Jodogne <s.jodogne@gmail.com> |
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date | Sun, 19 May 2019 13:21:22 +0200 |
parents | 462a5074f914 |
children | 8b6adfb62a2f |
rev | line source |
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582 | 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 | |
22 #pragma once | |
23 | |
24 #include "ISceneLayer.h" | |
25 #include "../Toolbox/AffineTransform2D.h" | |
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26 #include <Framework/Messages/IObservable.h> |
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27 #include <Framework/Messages/IMessage.h> |
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28 |
582 | 29 #include <map> |
30 | |
31 namespace OrthancStone | |
32 { | |
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33 class Scene2D : public IObservable |
582 | 34 { |
35 public: | |
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36 ORTHANC_STONE_DEFINE_ORIGIN_MESSAGE(__FILE__, __LINE__, SceneTransformChanged, Scene2D); |
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37 |
582 | 38 class IVisitor : public boost::noncopyable |
39 { | |
40 public: | |
41 virtual ~IVisitor() | |
42 { | |
43 } | |
44 | |
45 virtual void Visit(const ISceneLayer& layer, | |
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46 uint64_t layerIdentifier, |
582 | 47 int depth) = 0; |
48 }; | |
49 | |
50 private: | |
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51 class Item; |
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52 |
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53 typedef std::map<int, Item*> Content; |
582 | 54 |
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55 Content content_; |
582 | 56 AffineTransform2D sceneToCanvas_; |
57 AffineTransform2D canvasToScene_; | |
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58 uint64_t layerCounter_; |
582 | 59 |
60 Scene2D(const Scene2D& other); | |
61 | |
62 public: | |
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63 Scene2D(MessageBroker& broker) |
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64 : IObservable(broker) |
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65 , layerCounter_(0) |
582 | 66 { |
67 } | |
68 | |
69 ~Scene2D(); | |
70 | |
71 Scene2D* Clone() const | |
72 { | |
73 return new Scene2D(*this); | |
74 } | |
75 | |
76 void SetLayer(int depth, | |
77 ISceneLayer* layer); // Takes ownership | |
78 | |
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79 /** |
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80 Removes the layer at specified depth and deletes the underlying object |
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81 */ |
582 | 82 void DeleteLayer(int depth); |
83 | |
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84 bool HasLayer(int depth) const; |
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85 |
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86 ISceneLayer& GetLayer(int depth) const; |
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87 |
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88 /** |
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89 Returns the minimum depth among all layers or 0 if there are no layers |
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90 */ |
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91 int GetMinDepth() const; |
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92 |
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93 /** |
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94 Returns the minimum depth among all layers or 0 if there are no layers |
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95 */ |
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96 int GetMaxDepth() const; |
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97 |
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98 /** |
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99 Removes the layer at specified depth and transfers the object |
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100 ownership to the caller |
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101 */ |
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102 ISceneLayer* ReleaseLayer(int depth); |
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103 |
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104 void Apply(IVisitor& visitor) const; |
582 | 105 |
106 const AffineTransform2D& GetSceneToCanvasTransform() const | |
107 { | |
108 return sceneToCanvas_; | |
109 } | |
110 | |
111 const AffineTransform2D& GetCanvasToSceneTransform() const | |
112 { | |
113 return canvasToScene_; | |
114 } | |
115 | |
116 void SetSceneToCanvasTransform(const AffineTransform2D& transform); | |
117 | |
118 void FitContent(unsigned int canvasWidth, | |
119 unsigned int canvasHeight); | |
120 }; | |
121 } |