Mercurial > hg > orthanc-stone

comparison OrthancStone/Sources/Scene2DViewport/LayerHolder.h @ 1512:244ad1e4e76a

Find changesets by keywords (author, files, the commit message), revision number or hash, or revset expression.
reorganization of folders
author Sebastien Jodogne <s.jodogne@gmail.com>
date Tue, 07 Jul 2020 16:21:02 +0200
parents Framework/Scene2DViewport/LayerHolder.h@2a11bbf7f6b0
children 8563ea5d8ae4
comparison
equal deleted inserted replaced
1511:9dfeee74c1e6 1512:244ad1e4e76a
1 /**
2 * Stone of Orthanc
3 * Copyright (C) 2012-2016 Sebastien Jodogne, Medical Physics
4 * Department, University Hospital of Liege, Belgium
5 * Copyright (C) 2017-2020 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 #pragma once
22
23 #include "PredeclaredTypes.h"
24
25 #include <boost/noncopyable.hpp>
26 #include <boost/weak_ptr.hpp>
27 #include <boost/shared_ptr.hpp>
28
29 namespace OrthancStone
30 {
31 class PolylineSceneLayer;
32 class TextSceneLayer;
33
34 /**
35 This class holds the indices of a set a layer and supplies
36 getters to the concrete layer objects. Sounds very ad hoc, and it is.
37 */
38 class LayerHolder : public boost::noncopyable
39 {
40 public:
41 /**
42 This ctor merely stores the scene and layer counts. No layer creation
43 performed at this time
44 */
45 LayerHolder(
46 boost::shared_ptr<IViewport> viewport,
47 int polylineLayerCount, int textLayerCount, int infoTextCount = 0);
48
49 /**
50 This actually creates the layers
51 */
52 void CreateLayers();
53
54 /**
55 This creates the layers if they are not created yet. Can be useful in
56 some scenarios
57 */
58 void CreateLayersIfNeeded();
59
60 /**
61 Whether the various text and polylines layers have all been created or
62 none at all
63 */
64 bool AreLayersCreated() const;
65
66 /**
67 This removes the layers from the scene
68 */
69 void DeleteLayers();
70
71 /**
72 This removes the layers from the scene if they are already created
73 */
74 void DeleteLayersIfNeeded();
75
76 /**
77 Please note that the returned pointer belongs to the scene.Don't you dare
78 storing or deleting it, you fool!
79
80 This throws if the index is not valid or if the layers are not created or
81 have been deleted
82 */
83 PolylineSceneLayer* GetPolylineLayer(int index = 0);
84
85 /**
86 Please note that the returned pointer belongs to the scene. Don't you dare
87 storing or deleting it, you fool!
88
89 This throws if the index is not valid or if the layers are not created or
90 have been deleted
91 */
92 TextSceneLayer* GetTextLayer(int index = 0);
93
94 //TextSceneLayer* GetTextLayer(int index = 0);
95
96 private:
97 int GetPolylineLayerIndex(int index = 0);
98 int GetTextLayerIndex(int index = 0);
99 int GetInfoTextLayerIndex(int index = 0);
100
101 int textLayerCount_;
102 int polylineLayerCount_;
103 int infoTextCount_;
104 boost::shared_ptr<IViewport> viewport_;
105 int baseLayerIndex_;
106 };
107 }
108