Mercurial > hg > orthanc-stone
annotate OrthancStone/Sources/Volumes/VolumeSceneLayerSource.cpp @ 1598:8563ea5d8ae4
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author | Sebastien Jodogne <s.jodogne@gmail.com> |
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date | Mon, 26 Oct 2020 20:49:28 +0100 |
parents | 4fb8fdf03314 |
children | 874e178f34e9 |
rev | line source |
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815 | 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) 2017-2020 Osimis S.A., Belgium |
815 | 6 * |
7 * This program is free software: you can redistribute it and/or | |
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8 * modify it under the terms of the GNU Lesser General Public License |
815 | 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 | |
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14 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU |
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15 * Lesser General Public License for more details. |
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16 * |
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17 * You should have received a copy of the GNU Lesser General Public |
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18 * License along with this program. If not, see |
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19 * <http://www.gnu.org/licenses/>. |
815 | 20 **/ |
21 | |
22 | |
23 #include "VolumeSceneLayerSource.h" | |
24 | |
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25 #include "../Scene2D/NullLayer.h" |
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26 #include "../Viewport/IViewport.h" |
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27 #include "../StoneException.h" |
1558 | 28 #include "../Scene2DViewport/ViewportController.h" |
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29 |
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30 #include <OrthancException.h> |
815 | 31 |
32 namespace OrthancStone | |
33 { | |
34 static bool IsSameCuttingPlane(const CoordinateSystem3D& a, | |
35 const CoordinateSystem3D& b) | |
36 { | |
37 // TODO - What if the normal is reversed? | |
38 double distance; | |
39 return (CoordinateSystem3D::ComputeDistance(distance, a, b) && | |
40 LinearAlgebra::IsCloseToZero(distance)); | |
41 } | |
42 | |
43 | |
44 void VolumeSceneLayerSource::ClearLayer() | |
45 { | |
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46 { |
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47 std::unique_ptr<IViewport::ILock> lock(viewport_->Lock()); |
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48 ViewportController& controller = lock->GetController(); |
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49 Scene2D& scene = controller.GetScene(); |
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50 scene.DeleteLayer(layerDepth_); |
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51 } |
815 | 52 lastPlane_.reset(NULL); |
53 } | |
54 | |
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55 VolumeSceneLayerSource::VolumeSceneLayerSource( |
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56 boost::shared_ptr<OrthancStone::IViewport> viewport, |
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57 int layerDepth, |
1571 | 58 const boost::shared_ptr<IVolumeSlicer>& slicer) : |
59 viewport_(viewport), | |
60 layerDepth_(layerDepth), | |
61 slicer_(slicer), | |
62 lastRevision_(0), | |
63 lastConfiguratorRevision_(0) | |
815 | 64 { |
65 if (slicer == NULL) | |
66 { | |
67 throw Orthanc::OrthancException(Orthanc::ErrorCode_NullPointer); | |
68 } | |
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69 |
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70 { |
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71 std::unique_ptr<IViewport::ILock> lock(viewport_->Lock()); |
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72 ViewportController& controller = lock->GetController(); |
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73 Scene2D& scene = controller.GetScene(); |
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74 ORTHANC_ASSERT(!scene.HasLayer(layerDepth_)); |
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75 |
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76 // we need to book the scene layer depth by adding a dummy layer |
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77 std::unique_ptr<NullLayer> nullLayer(new NullLayer); |
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78 scene.SetLayer(layerDepth_,nullLayer.release()); |
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79 } |
815 | 80 } |
81 | |
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82 VolumeSceneLayerSource::~VolumeSceneLayerSource() |
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83 { |
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84 ClearLayer(); |
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85 } |
815 | 86 |
87 void VolumeSceneLayerSource::RemoveConfigurator() | |
88 { | |
89 configurator_.reset(); | |
90 lastPlane_.reset(); | |
91 } | |
92 | |
93 | |
94 void VolumeSceneLayerSource::SetConfigurator(ILayerStyleConfigurator* configurator) // Takes ownership | |
95 { | |
96 if (configurator == NULL) | |
97 { | |
98 throw Orthanc::OrthancException(Orthanc::ErrorCode_NullPointer); | |
99 } | |
100 | |
101 configurator_.reset(configurator); | |
102 | |
103 // Invalidate the layer | |
104 lastPlane_.reset(NULL); | |
105 } | |
106 | |
107 | |
108 ILayerStyleConfigurator& VolumeSceneLayerSource::GetConfigurator() const | |
109 { | |
110 if (configurator_.get() == NULL) | |
111 { | |
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112 LOG(ERROR) << "VolumeSceneLayerSource::GetConfigurator(): (configurator_.get() == NULL)"; |
815 | 113 throw Orthanc::OrthancException(Orthanc::ErrorCode_BadSequenceOfCalls); |
114 } | |
115 | |
116 return *configurator_; | |
117 } | |
118 | |
119 | |
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120 void VolumeSceneLayerSource::Update(const CoordinateSystem3D& plane) |
815 | 121 { |
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122 std::unique_ptr<IViewport::ILock> lock(viewport_->Lock()); |
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123 ViewportController& controller = lock->GetController(); |
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124 Scene2D& scene = controller.GetScene(); |
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125 |
815 | 126 assert(slicer_.get() != NULL); |
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127 std::unique_ptr<IVolumeSlicer::IExtractedSlice> slice(slicer_->ExtractSlice(plane)); |
815 | 128 |
129 if (slice.get() == NULL) | |
130 { | |
131 throw Orthanc::OrthancException(Orthanc::ErrorCode_InternalError); | |
132 } | |
133 | |
134 if (!slice->IsValid()) | |
135 { | |
136 // The slicer cannot handle this cutting plane: Clear the layer | |
137 ClearLayer(); | |
138 } | |
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139 else if (lastPlane_.get() != NULL && |
815 | 140 IsSameCuttingPlane(*lastPlane_, plane) && |
141 lastRevision_ == slice->GetRevision()) | |
142 { | |
143 // The content of the slice has not changed: Don't update the | |
144 // layer content, but possibly update its style | |
145 | |
146 if (configurator_.get() != NULL && | |
147 configurator_->GetRevision() != lastConfiguratorRevision_ && | |
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148 scene.HasLayer(layerDepth_)) |
815 | 149 { |
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150 configurator_->ApplyStyle(scene.GetLayer(layerDepth_)); |
815 | 151 } |
152 } | |
153 else | |
154 { | |
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155 LOG(TRACE) << "VolumeSceneLayerSource::Update -- Content has changed: An update is needed"; |
815 | 156 // Content has changed: An update is needed |
157 lastPlane_.reset(new CoordinateSystem3D(plane)); | |
158 lastRevision_ = slice->GetRevision(); | |
159 | |
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160 std::unique_ptr<ISceneLayer> layer(slice->CreateSceneLayer(configurator_.get(), plane)); |
815 | 161 if (layer.get() == NULL) |
162 { | |
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163 LOG(TRACE) << "VolumeSceneLayerSource::Update -- (layer.get() == NULL)"; |
815 | 164 ClearLayer(); |
165 } | |
166 else | |
167 { | |
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168 LOG(TRACE) << "VolumeSceneLayerSource::Update -- (layer.get() != NULL)"; |
815 | 169 if (configurator_.get() != NULL) |
170 { | |
171 lastConfiguratorRevision_ = configurator_->GetRevision(); | |
172 configurator_->ApplyStyle(*layer); | |
173 } | |
174 | |
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175 scene.SetLayer(layerDepth_, layer.release()); |
815 | 176 } |
177 } | |
178 } | |
179 } |