Mercurial > hg > orthanc-stone
comparison Framework/Volumes/VolumeSceneLayerSource.cpp @ 815:df442f1ba0c6
reorganization
author | Sebastien Jodogne <s.jodogne@gmail.com> |
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date | Tue, 28 May 2019 21:59:20 +0200 |
parents | |
children | 81d30cd93b65 |
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814:aead999345e0 | 815:df442f1ba0c6 |
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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) 2017-2019 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 #include "VolumeSceneLayerSource.h" | |
23 | |
24 #include <Core/OrthancException.h> | |
25 | |
26 namespace OrthancStone | |
27 { | |
28 static bool IsSameCuttingPlane(const CoordinateSystem3D& a, | |
29 const CoordinateSystem3D& b) | |
30 { | |
31 // TODO - What if the normal is reversed? | |
32 double distance; | |
33 return (CoordinateSystem3D::ComputeDistance(distance, a, b) && | |
34 LinearAlgebra::IsCloseToZero(distance)); | |
35 } | |
36 | |
37 | |
38 void VolumeSceneLayerSource::ClearLayer() | |
39 { | |
40 scene_.DeleteLayer(layerDepth_); | |
41 lastPlane_.reset(NULL); | |
42 } | |
43 | |
44 | |
45 VolumeSceneLayerSource::VolumeSceneLayerSource(Scene2D& scene, | |
46 int layerDepth, | |
47 const boost::shared_ptr<IVolumeSlicer>& slicer) : | |
48 scene_(scene), | |
49 layerDepth_(layerDepth), | |
50 slicer_(slicer) | |
51 { | |
52 if (slicer == NULL) | |
53 { | |
54 throw Orthanc::OrthancException(Orthanc::ErrorCode_NullPointer); | |
55 } | |
56 } | |
57 | |
58 | |
59 void VolumeSceneLayerSource::RemoveConfigurator() | |
60 { | |
61 configurator_.reset(); | |
62 lastPlane_.reset(); | |
63 } | |
64 | |
65 | |
66 void VolumeSceneLayerSource::SetConfigurator(ILayerStyleConfigurator* configurator) // Takes ownership | |
67 { | |
68 if (configurator == NULL) | |
69 { | |
70 throw Orthanc::OrthancException(Orthanc::ErrorCode_NullPointer); | |
71 } | |
72 | |
73 configurator_.reset(configurator); | |
74 | |
75 // Invalidate the layer | |
76 lastPlane_.reset(NULL); | |
77 } | |
78 | |
79 | |
80 ILayerStyleConfigurator& VolumeSceneLayerSource::GetConfigurator() const | |
81 { | |
82 if (configurator_.get() == NULL) | |
83 { | |
84 throw Orthanc::OrthancException(Orthanc::ErrorCode_BadSequenceOfCalls); | |
85 } | |
86 | |
87 return *configurator_; | |
88 } | |
89 | |
90 | |
91 void VolumeSceneLayerSource::Update(const CoordinateSystem3D& plane) | |
92 { | |
93 assert(slicer_.get() != NULL); | |
94 std::auto_ptr<IVolumeSlicer::IExtractedSlice> slice(slicer_->ExtractSlice(plane)); | |
95 | |
96 if (slice.get() == NULL) | |
97 { | |
98 throw Orthanc::OrthancException(Orthanc::ErrorCode_InternalError); | |
99 } | |
100 | |
101 if (!slice->IsValid()) | |
102 { | |
103 // The slicer cannot handle this cutting plane: Clear the layer | |
104 ClearLayer(); | |
105 } | |
106 else if (lastPlane_.get() != NULL && | |
107 IsSameCuttingPlane(*lastPlane_, plane) && | |
108 lastRevision_ == slice->GetRevision()) | |
109 { | |
110 // The content of the slice has not changed: Don't update the | |
111 // layer content, but possibly update its style | |
112 | |
113 if (configurator_.get() != NULL && | |
114 configurator_->GetRevision() != lastConfiguratorRevision_ && | |
115 scene_.HasLayer(layerDepth_)) | |
116 { | |
117 configurator_->ApplyStyle(scene_.GetLayer(layerDepth_)); | |
118 } | |
119 } | |
120 else | |
121 { | |
122 // Content has changed: An update is needed | |
123 lastPlane_.reset(new CoordinateSystem3D(plane)); | |
124 lastRevision_ = slice->GetRevision(); | |
125 | |
126 std::auto_ptr<ISceneLayer> layer(slice->CreateSceneLayer(configurator_.get(), plane)); | |
127 if (layer.get() == NULL) | |
128 { | |
129 ClearLayer(); | |
130 } | |
131 else | |
132 { | |
133 if (configurator_.get() != NULL) | |
134 { | |
135 lastConfiguratorRevision_ = configurator_->GetRevision(); | |
136 configurator_->ApplyStyle(*layer); | |
137 } | |
138 | |
139 scene_.SetLayer(layerDepth_, layer.release()); | |
140 } | |
141 } | |
142 } | |
143 } |