815
|
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 }
|