Mercurial > hg > orthanc-stone
annotate Framework/Volumes/VolumeSceneLayerSource.cpp @ 1368:33da5d02885f broker
SdlSimpleViewer rename
author | Benjamin Golinvaux <bgo@osimis.io> |
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date | Sat, 18 Apr 2020 14:45:22 +0200 |
parents | 0d6a01ffa1dd |
children | 8635b333fa5b |
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 | |
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 #include "VolumeSceneLayerSource.h" | |
23 | |
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24 #include "../Scene2D/NullLayer.h" |
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25 #include "../StoneException.h" |
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26 |
815 | 27 #include <Core/OrthancException.h> |
28 | |
29 namespace OrthancStone | |
30 { | |
31 static bool IsSameCuttingPlane(const CoordinateSystem3D& a, | |
32 const CoordinateSystem3D& b) | |
33 { | |
34 // TODO - What if the normal is reversed? | |
35 double distance; | |
36 return (CoordinateSystem3D::ComputeDistance(distance, a, b) && | |
37 LinearAlgebra::IsCloseToZero(distance)); | |
38 } | |
39 | |
40 | |
41 void VolumeSceneLayerSource::ClearLayer() | |
42 { | |
43 scene_.DeleteLayer(layerDepth_); | |
44 lastPlane_.reset(NULL); | |
45 } | |
46 | |
47 | |
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48 VolumeSceneLayerSource::VolumeSceneLayerSource( |
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49 Scene2D& scene, |
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50 int layerDepth, |
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51 const boost::shared_ptr<IVolumeSlicer>& slicer) |
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52 : scene_(scene) |
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53 , layerDepth_(layerDepth) |
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54 , slicer_(slicer) |
815 | 55 { |
56 if (slicer == NULL) | |
57 { | |
58 throw Orthanc::OrthancException(Orthanc::ErrorCode_NullPointer); | |
59 } | |
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60 ORTHANC_ASSERT(!scene_.HasLayer(layerDepth_)); |
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61 |
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62 // we need to book the scene layer depth by adding a dummy layer |
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63 std::unique_ptr<NullLayer> nullLayer(new NullLayer); |
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64 scene_.SetLayer(layerDepth_,nullLayer.release()); |
815 | 65 } |
66 | |
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67 VolumeSceneLayerSource::~VolumeSceneLayerSource() |
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68 { |
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69 ClearLayer(); |
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70 } |
815 | 71 |
72 void VolumeSceneLayerSource::RemoveConfigurator() | |
73 { | |
74 configurator_.reset(); | |
75 lastPlane_.reset(); | |
76 } | |
77 | |
78 | |
79 void VolumeSceneLayerSource::SetConfigurator(ILayerStyleConfigurator* configurator) // Takes ownership | |
80 { | |
81 if (configurator == NULL) | |
82 { | |
83 throw Orthanc::OrthancException(Orthanc::ErrorCode_NullPointer); | |
84 } | |
85 | |
86 configurator_.reset(configurator); | |
87 | |
88 // Invalidate the layer | |
89 lastPlane_.reset(NULL); | |
90 } | |
91 | |
92 | |
93 ILayerStyleConfigurator& VolumeSceneLayerSource::GetConfigurator() const | |
94 { | |
95 if (configurator_.get() == NULL) | |
96 { | |
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97 LOG(ERROR) << "VolumeSceneLayerSource::GetConfigurator(): (configurator_.get() == NULL)"; |
815 | 98 throw Orthanc::OrthancException(Orthanc::ErrorCode_BadSequenceOfCalls); |
99 } | |
100 | |
101 return *configurator_; | |
102 } | |
103 | |
104 | |
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105 void VolumeSceneLayerSource::Update(const CoordinateSystem3D& plane) |
815 | 106 { |
107 assert(slicer_.get() != NULL); | |
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108 std::unique_ptr<IVolumeSlicer::IExtractedSlice> slice(slicer_->ExtractSlice(plane)); |
815 | 109 |
110 if (slice.get() == NULL) | |
111 { | |
112 throw Orthanc::OrthancException(Orthanc::ErrorCode_InternalError); | |
113 } | |
114 | |
115 if (!slice->IsValid()) | |
116 { | |
117 // The slicer cannot handle this cutting plane: Clear the layer | |
118 ClearLayer(); | |
119 } | |
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120 else if (lastPlane_.get() != NULL && |
815 | 121 IsSameCuttingPlane(*lastPlane_, plane) && |
122 lastRevision_ == slice->GetRevision()) | |
123 { | |
124 // The content of the slice has not changed: Don't update the | |
125 // layer content, but possibly update its style | |
126 | |
127 if (configurator_.get() != NULL && | |
128 configurator_->GetRevision() != lastConfiguratorRevision_ && | |
129 scene_.HasLayer(layerDepth_)) | |
130 { | |
131 configurator_->ApplyStyle(scene_.GetLayer(layerDepth_)); | |
132 } | |
133 } | |
134 else | |
135 { | |
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136 LOG(TRACE) << "VolumeSceneLayerSource::Update -- Content has changed: An update is needed"; |
815 | 137 // Content has changed: An update is needed |
138 lastPlane_.reset(new CoordinateSystem3D(plane)); | |
139 lastRevision_ = slice->GetRevision(); | |
140 | |
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141 std::unique_ptr<ISceneLayer> layer(slice->CreateSceneLayer(configurator_.get(), plane)); |
815 | 142 if (layer.get() == NULL) |
143 { | |
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144 LOG(TRACE) << "VolumeSceneLayerSource::Update -- (layer.get() == NULL)"; |
815 | 145 ClearLayer(); |
146 } | |
147 else | |
148 { | |
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149 LOG(TRACE) << "VolumeSceneLayerSource::Update -- (layer.get() != NULL)"; |
815 | 150 if (configurator_.get() != NULL) |
151 { | |
152 lastConfiguratorRevision_ = configurator_->GetRevision(); | |
153 configurator_->ApplyStyle(*layer); | |
154 } | |
155 | |
156 scene_.SetLayer(layerDepth_, layer.release()); | |
157 } | |
158 } | |
159 } | |
160 } |