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comparison OrthancStone/Sources/Volumes/VolumeSceneLayerSource.cpp @ 1512:244ad1e4e76a

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reorganization of folders
author Sebastien Jodogne <s.jodogne@gmail.com>
date Tue, 07 Jul 2020 16:21:02 +0200
parents Framework/Volumes/VolumeSceneLayerSource.cpp@30deba7bc8e2
children 314b6dc507d9
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1511:9dfeee74c1e6 1512:244ad1e4e76a
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
22 #include "VolumeSceneLayerSource.h"
23
24 #include "../Scene2D/NullLayer.h"
25 #include "../Viewport/IViewport.h"
26 #include "../StoneException.h"
27
28 #include <OrthancException.h>
29
30 namespace OrthancStone
31 {
32 static bool IsSameCuttingPlane(const CoordinateSystem3D& a,
33 const CoordinateSystem3D& b)
34 {
35 // TODO - What if the normal is reversed?
36 double distance;
37 return (CoordinateSystem3D::ComputeDistance(distance, a, b) &&
38 LinearAlgebra::IsCloseToZero(distance));
39 }
40
41
42 void VolumeSceneLayerSource::ClearLayer()
43 {
44 {
45 std::unique_ptr<IViewport::ILock> lock(viewport_->Lock());
46 ViewportController& controller = lock->GetController();
47 Scene2D& scene = controller.GetScene();
48 scene.DeleteLayer(layerDepth_);
49 }
50 lastPlane_.reset(NULL);
51 }
52
53 VolumeSceneLayerSource::VolumeSceneLayerSource(
54 boost::shared_ptr<OrthancStone::IViewport> viewport,
55 int layerDepth,
56 const boost::shared_ptr<IVolumeSlicer>& slicer)
57 : viewport_(viewport)
58 , layerDepth_(layerDepth)
59 , slicer_(slicer)
60 {
61 if (slicer == NULL)
62 {
63 throw Orthanc::OrthancException(Orthanc::ErrorCode_NullPointer);
64 }
65
66 {
67 std::unique_ptr<IViewport::ILock> lock(viewport_->Lock());
68 ViewportController& controller = lock->GetController();
69 Scene2D& scene = controller.GetScene();
70 ORTHANC_ASSERT(!scene.HasLayer(layerDepth_));
71
72 // we need to book the scene layer depth by adding a dummy layer
73 std::unique_ptr<NullLayer> nullLayer(new NullLayer);
74 scene.SetLayer(layerDepth_,nullLayer.release());
75 }
76 }
77
78 VolumeSceneLayerSource::~VolumeSceneLayerSource()
79 {
80 ClearLayer();
81 }
82
83 void VolumeSceneLayerSource::RemoveConfigurator()
84 {
85 configurator_.reset();
86 lastPlane_.reset();
87 }
88
89
90 void VolumeSceneLayerSource::SetConfigurator(ILayerStyleConfigurator* configurator) // Takes ownership
91 {
92 if (configurator == NULL)
93 {
94 throw Orthanc::OrthancException(Orthanc::ErrorCode_NullPointer);
95 }
96
97 configurator_.reset(configurator);
98
99 // Invalidate the layer
100 lastPlane_.reset(NULL);
101 }
102
103
104 ILayerStyleConfigurator& VolumeSceneLayerSource::GetConfigurator() const
105 {
106 if (configurator_.get() == NULL)
107 {
108 LOG(ERROR) << "VolumeSceneLayerSource::GetConfigurator(): (configurator_.get() == NULL)";
109 throw Orthanc::OrthancException(Orthanc::ErrorCode_BadSequenceOfCalls);
110 }
111
112 return *configurator_;
113 }
114
115
116 void VolumeSceneLayerSource::Update(const CoordinateSystem3D& plane)
117 {
118 std::unique_ptr<IViewport::ILock> lock(viewport_->Lock());
119 ViewportController& controller = lock->GetController();
120 Scene2D& scene = controller.GetScene();
121
122 assert(slicer_.get() != NULL);
123 std::unique_ptr<IVolumeSlicer::IExtractedSlice> slice(slicer_->ExtractSlice(plane));
124
125 if (slice.get() == NULL)
126 {
127 throw Orthanc::OrthancException(Orthanc::ErrorCode_InternalError);
128 }
129
130 if (!slice->IsValid())
131 {
132 // The slicer cannot handle this cutting plane: Clear the layer
133 ClearLayer();
134 }
135 else if (lastPlane_.get() != NULL &&
136 IsSameCuttingPlane(*lastPlane_, plane) &&
137 lastRevision_ == slice->GetRevision())
138 {
139 // The content of the slice has not changed: Don't update the
140 // layer content, but possibly update its style
141
142 if (configurator_.get() != NULL &&
143 configurator_->GetRevision() != lastConfiguratorRevision_ &&
144 scene.HasLayer(layerDepth_))
145 {
146 configurator_->ApplyStyle(scene.GetLayer(layerDepth_));
147 }
148 }
149 else
150 {
151 LOG(TRACE) << "VolumeSceneLayerSource::Update -- Content has changed: An update is needed";
152 // Content has changed: An update is needed
153 lastPlane_.reset(new CoordinateSystem3D(plane));
154 lastRevision_ = slice->GetRevision();
155
156 std::unique_ptr<ISceneLayer> layer(slice->CreateSceneLayer(configurator_.get(), plane));
157 if (layer.get() == NULL)
158 {
159 LOG(TRACE) << "VolumeSceneLayerSource::Update -- (layer.get() == NULL)";
160 ClearLayer();
161 }
162 else
163 {
164 LOG(TRACE) << "VolumeSceneLayerSource::Update -- (layer.get() != NULL)";
165 if (configurator_.get() != NULL)
166 {
167 lastConfiguratorRevision_ = configurator_->GetRevision();
168 configurator_->ApplyStyle(*layer);
169 }
170
171 scene.SetLayer(layerDepth_, layer.release());
172 }
173 }
174 }
175 }