Mercurial > hg > orthanc-stone
comparison OrthancStone/Sources/Scene2DViewport/LayerHolder.cpp @ 1512:244ad1e4e76a
reorganization of folders
author | Sebastien Jodogne <s.jodogne@gmail.com> |
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date | Tue, 07 Jul 2020 16:21:02 +0200 |
parents | Framework/Scene2DViewport/LayerHolder.cpp@ab81ee8fce1f |
children | 314b6dc507d9 |
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1511:9dfeee74c1e6 | 1512:244ad1e4e76a |
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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 #include "LayerHolder.h" | |
22 #include "../Scene2D/TextSceneLayer.h" | |
23 #include "../Scene2D/PolylineSceneLayer.h" | |
24 #include "../Scene2D/Scene2D.h" | |
25 #include "../Viewport/IViewport.h" | |
26 #include "../StoneException.h" | |
27 | |
28 namespace OrthancStone | |
29 { | |
30 LayerHolder::LayerHolder( | |
31 boost::shared_ptr<IViewport> viewport, | |
32 int polylineLayerCount, | |
33 int textLayerCount, | |
34 int infoTextCount) | |
35 : textLayerCount_(textLayerCount) | |
36 , polylineLayerCount_(polylineLayerCount) | |
37 , infoTextCount_(infoTextCount) | |
38 , viewport_(viewport) | |
39 , baseLayerIndex_(-1) | |
40 { | |
41 | |
42 } | |
43 | |
44 void LayerHolder::CreateLayers() | |
45 { | |
46 std::unique_ptr<IViewport::ILock> lock(viewport_->Lock()); | |
47 ViewportController& controller = lock->GetController(); | |
48 Scene2D& scene = controller.GetScene(); | |
49 | |
50 assert(baseLayerIndex_ == -1); | |
51 | |
52 baseLayerIndex_ = scene.GetMaxDepth() + 100; | |
53 | |
54 for (int i = 0; i < polylineLayerCount_; ++i) | |
55 { | |
56 std::unique_ptr<PolylineSceneLayer> layer(new PolylineSceneLayer()); | |
57 scene.SetLayer(baseLayerIndex_ + i, layer.release()); | |
58 } | |
59 | |
60 for (int i = 0; i < textLayerCount_; ++i) | |
61 { | |
62 std::unique_ptr<TextSceneLayer> layer(new TextSceneLayer()); | |
63 scene.SetLayer(baseLayerIndex_ + polylineLayerCount_ + i, layer.release()); | |
64 } | |
65 lock->Invalidate(); | |
66 } | |
67 | |
68 void LayerHolder::CreateLayersIfNeeded() | |
69 { | |
70 if (baseLayerIndex_ == -1) | |
71 CreateLayers(); | |
72 } | |
73 | |
74 bool LayerHolder::AreLayersCreated() const | |
75 { | |
76 return (baseLayerIndex_ != -1); | |
77 } | |
78 | |
79 void LayerHolder::DeleteLayersIfNeeded() | |
80 { | |
81 if (baseLayerIndex_ != -1) | |
82 DeleteLayers(); | |
83 } | |
84 | |
85 void LayerHolder::DeleteLayers() | |
86 { | |
87 std::unique_ptr<IViewport::ILock> lock(viewport_->Lock()); | |
88 Scene2D& scene = lock->GetController().GetScene(); | |
89 | |
90 for (int i = 0; i < textLayerCount_ + polylineLayerCount_; ++i) | |
91 { | |
92 ORTHANC_ASSERT(scene.HasLayer(baseLayerIndex_ + i), "No layer"); | |
93 scene.DeleteLayer(baseLayerIndex_ + i); | |
94 } | |
95 baseLayerIndex_ = -1; | |
96 lock->Invalidate(); | |
97 } | |
98 | |
99 PolylineSceneLayer* LayerHolder::GetPolylineLayer(int index /*= 0*/) | |
100 { | |
101 std::unique_ptr<IViewport::ILock> lock(viewport_->Lock()); | |
102 Scene2D& scene = lock->GetController().GetScene(); | |
103 | |
104 using namespace Orthanc; | |
105 ORTHANC_ASSERT(baseLayerIndex_ != -1); | |
106 ORTHANC_ASSERT(scene.HasLayer(GetPolylineLayerIndex(index))); | |
107 ISceneLayer* layer = &(scene.GetLayer(GetPolylineLayerIndex(index))); | |
108 | |
109 PolylineSceneLayer* concreteLayer = | |
110 dynamic_cast<PolylineSceneLayer*>(layer); | |
111 | |
112 ORTHANC_ASSERT(concreteLayer != NULL); | |
113 return concreteLayer; | |
114 } | |
115 | |
116 TextSceneLayer* LayerHolder::GetTextLayer(int index /*= 0*/) | |
117 { | |
118 std::unique_ptr<IViewport::ILock> lock(viewport_->Lock()); | |
119 Scene2D& scene = lock->GetController().GetScene(); | |
120 | |
121 using namespace Orthanc; | |
122 ORTHANC_ASSERT(baseLayerIndex_ != -1); | |
123 ORTHANC_ASSERT(scene.HasLayer(GetTextLayerIndex(index))); | |
124 ISceneLayer* layer = &(scene.GetLayer(GetTextLayerIndex(index))); | |
125 | |
126 TextSceneLayer* concreteLayer = | |
127 dynamic_cast<TextSceneLayer*>(layer); | |
128 | |
129 ORTHANC_ASSERT(concreteLayer != NULL); | |
130 return concreteLayer; | |
131 } | |
132 | |
133 int LayerHolder::GetPolylineLayerIndex(int index /*= 0*/) | |
134 { | |
135 using namespace Orthanc; | |
136 ORTHANC_ASSERT(index < polylineLayerCount_); | |
137 return baseLayerIndex_ + index; | |
138 } | |
139 | |
140 int LayerHolder::GetTextLayerIndex(int index /*= 0*/) | |
141 { | |
142 using namespace Orthanc; | |
143 ORTHANC_ASSERT(index < textLayerCount_); | |
144 | |
145 // the text layers are placed right after the polyline layers | |
146 // this means they are drawn ON TOP | |
147 return baseLayerIndex_ + polylineLayerCount_ + index; | |
148 } | |
149 } |