Mercurial > hg > orthanc-stone
annotate OrthancStone/Sources/Volumes/VolumeSceneLayerSource.cpp @ 1571:85e117739eca
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| author | Sebastien Jodogne <s.jodogne@gmail.com> |
|---|---|
| date | Mon, 21 Sep 2020 17:46:39 +0200 |
| parents | 314b6dc507d9 |
| children | 4fb8fdf03314 |
| rev | line source |
|---|---|
| 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 "../Viewport/IViewport.h" |
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26 #include "../StoneException.h" |
| 1558 | 27 #include "../Scene2DViewport/ViewportController.h" |
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28 |
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29 #include <OrthancException.h> |
| 815 | 30 |
| 31 namespace OrthancStone | |
| 32 { | |
| 33 static bool IsSameCuttingPlane(const CoordinateSystem3D& a, | |
| 34 const CoordinateSystem3D& b) | |
| 35 { | |
| 36 // TODO - What if the normal is reversed? | |
| 37 double distance; | |
| 38 return (CoordinateSystem3D::ComputeDistance(distance, a, b) && | |
| 39 LinearAlgebra::IsCloseToZero(distance)); | |
| 40 } | |
| 41 | |
| 42 | |
| 43 void VolumeSceneLayerSource::ClearLayer() | |
| 44 { | |
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45 { |
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46 std::unique_ptr<IViewport::ILock> lock(viewport_->Lock()); |
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47 ViewportController& controller = lock->GetController(); |
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48 Scene2D& scene = controller.GetScene(); |
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49 scene.DeleteLayer(layerDepth_); |
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50 } |
| 815 | 51 lastPlane_.reset(NULL); |
| 52 } | |
| 53 | |
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54 VolumeSceneLayerSource::VolumeSceneLayerSource( |
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55 boost::shared_ptr<OrthancStone::IViewport> viewport, |
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56 int layerDepth, |
| 1571 | 57 const boost::shared_ptr<IVolumeSlicer>& slicer) : |
| 58 viewport_(viewport), | |
| 59 layerDepth_(layerDepth), | |
| 60 slicer_(slicer), | |
| 61 lastRevision_(0), | |
| 62 lastConfiguratorRevision_(0) | |
| 815 | 63 { |
| 64 if (slicer == NULL) | |
| 65 { | |
| 66 throw Orthanc::OrthancException(Orthanc::ErrorCode_NullPointer); | |
| 67 } | |
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68 |
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69 { |
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70 std::unique_ptr<IViewport::ILock> lock(viewport_->Lock()); |
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71 ViewportController& controller = lock->GetController(); |
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72 Scene2D& scene = controller.GetScene(); |
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73 ORTHANC_ASSERT(!scene.HasLayer(layerDepth_)); |
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74 |
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75 // we need to book the scene layer depth by adding a dummy layer |
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76 std::unique_ptr<NullLayer> nullLayer(new NullLayer); |
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77 scene.SetLayer(layerDepth_,nullLayer.release()); |
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78 } |
| 815 | 79 } |
| 80 | |
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81 VolumeSceneLayerSource::~VolumeSceneLayerSource() |
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82 { |
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83 ClearLayer(); |
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84 } |
| 815 | 85 |
| 86 void VolumeSceneLayerSource::RemoveConfigurator() | |
| 87 { | |
| 88 configurator_.reset(); | |
| 89 lastPlane_.reset(); | |
| 90 } | |
| 91 | |
| 92 | |
| 93 void VolumeSceneLayerSource::SetConfigurator(ILayerStyleConfigurator* configurator) // Takes ownership | |
| 94 { | |
| 95 if (configurator == NULL) | |
| 96 { | |
| 97 throw Orthanc::OrthancException(Orthanc::ErrorCode_NullPointer); | |
| 98 } | |
| 99 | |
| 100 configurator_.reset(configurator); | |
| 101 | |
| 102 // Invalidate the layer | |
| 103 lastPlane_.reset(NULL); | |
| 104 } | |
| 105 | |
| 106 | |
| 107 ILayerStyleConfigurator& VolumeSceneLayerSource::GetConfigurator() const | |
| 108 { | |
| 109 if (configurator_.get() == NULL) | |
| 110 { | |
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111 LOG(ERROR) << "VolumeSceneLayerSource::GetConfigurator(): (configurator_.get() == NULL)"; |
| 815 | 112 throw Orthanc::OrthancException(Orthanc::ErrorCode_BadSequenceOfCalls); |
| 113 } | |
| 114 | |
| 115 return *configurator_; | |
| 116 } | |
| 117 | |
| 118 | |
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119 void VolumeSceneLayerSource::Update(const CoordinateSystem3D& plane) |
| 815 | 120 { |
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121 std::unique_ptr<IViewport::ILock> lock(viewport_->Lock()); |
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122 ViewportController& controller = lock->GetController(); |
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123 Scene2D& scene = controller.GetScene(); |
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124 |
| 815 | 125 assert(slicer_.get() != NULL); |
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126 std::unique_ptr<IVolumeSlicer::IExtractedSlice> slice(slicer_->ExtractSlice(plane)); |
| 815 | 127 |
| 128 if (slice.get() == NULL) | |
| 129 { | |
| 130 throw Orthanc::OrthancException(Orthanc::ErrorCode_InternalError); | |
| 131 } | |
| 132 | |
| 133 if (!slice->IsValid()) | |
| 134 { | |
| 135 // The slicer cannot handle this cutting plane: Clear the layer | |
| 136 ClearLayer(); | |
| 137 } | |
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138 else if (lastPlane_.get() != NULL && |
| 815 | 139 IsSameCuttingPlane(*lastPlane_, plane) && |
| 140 lastRevision_ == slice->GetRevision()) | |
| 141 { | |
| 142 // The content of the slice has not changed: Don't update the | |
| 143 // layer content, but possibly update its style | |
| 144 | |
| 145 if (configurator_.get() != NULL && | |
| 146 configurator_->GetRevision() != lastConfiguratorRevision_ && | |
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147 scene.HasLayer(layerDepth_)) |
| 815 | 148 { |
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149 configurator_->ApplyStyle(scene.GetLayer(layerDepth_)); |
| 815 | 150 } |
| 151 } | |
| 152 else | |
| 153 { | |
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154 LOG(TRACE) << "VolumeSceneLayerSource::Update -- Content has changed: An update is needed"; |
| 815 | 155 // Content has changed: An update is needed |
| 156 lastPlane_.reset(new CoordinateSystem3D(plane)); | |
| 157 lastRevision_ = slice->GetRevision(); | |
| 158 | |
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159 std::unique_ptr<ISceneLayer> layer(slice->CreateSceneLayer(configurator_.get(), plane)); |
| 815 | 160 if (layer.get() == NULL) |
| 161 { | |
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162 LOG(TRACE) << "VolumeSceneLayerSource::Update -- (layer.get() == NULL)"; |
| 815 | 163 ClearLayer(); |
| 164 } | |
| 165 else | |
| 166 { | |
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167 LOG(TRACE) << "VolumeSceneLayerSource::Update -- (layer.get() != NULL)"; |
| 815 | 168 if (configurator_.get() != NULL) |
| 169 { | |
| 170 lastConfiguratorRevision_ = configurator_->GetRevision(); | |
| 171 configurator_->ApplyStyle(*layer); | |
| 172 } | |
| 173 | |
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174 scene.SetLayer(layerDepth_, layer.release()); |
| 815 | 175 } |
| 176 } | |
| 177 } | |
| 178 } |