Mercurial > hg > orthanc-stone
diff 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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--- /dev/null Thu Jan 01 00:00:00 1970 +0000 +++ b/Framework/Volumes/VolumeSceneLayerSource.cpp Tue May 28 21:59:20 2019 +0200 @@ -0,0 +1,143 @@ +/** + * Stone of Orthanc + * Copyright (C) 2012-2016 Sebastien Jodogne, Medical Physics + * Department, University Hospital of Liege, Belgium + * Copyright (C) 2017-2019 Osimis S.A., Belgium + * + * This program is free software: you can redistribute it and/or + * modify it under the terms of the GNU Affero General Public License + * as published by the Free Software Foundation, either version 3 of + * the License, or (at your option) any later version. + * + * This program is distributed in the hope that it will be useful, but + * WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU + * Affero General Public License for more details. + * + * You should have received a copy of the GNU Affero General Public License + * along with this program. If not, see <http://www.gnu.org/licenses/>. + **/ + + +#include "VolumeSceneLayerSource.h" + +#include <Core/OrthancException.h> + +namespace OrthancStone +{ + static bool IsSameCuttingPlane(const CoordinateSystem3D& a, + const CoordinateSystem3D& b) + { + // TODO - What if the normal is reversed? + double distance; + return (CoordinateSystem3D::ComputeDistance(distance, a, b) && + LinearAlgebra::IsCloseToZero(distance)); + } + + + void VolumeSceneLayerSource::ClearLayer() + { + scene_.DeleteLayer(layerDepth_); + lastPlane_.reset(NULL); + } + + + VolumeSceneLayerSource::VolumeSceneLayerSource(Scene2D& scene, + int layerDepth, + const boost::shared_ptr<IVolumeSlicer>& slicer) : + scene_(scene), + layerDepth_(layerDepth), + slicer_(slicer) + { + if (slicer == NULL) + { + throw Orthanc::OrthancException(Orthanc::ErrorCode_NullPointer); + } + } + + + void VolumeSceneLayerSource::RemoveConfigurator() + { + configurator_.reset(); + lastPlane_.reset(); + } + + + void VolumeSceneLayerSource::SetConfigurator(ILayerStyleConfigurator* configurator) // Takes ownership + { + if (configurator == NULL) + { + throw Orthanc::OrthancException(Orthanc::ErrorCode_NullPointer); + } + + configurator_.reset(configurator); + + // Invalidate the layer + lastPlane_.reset(NULL); + } + + + ILayerStyleConfigurator& VolumeSceneLayerSource::GetConfigurator() const + { + if (configurator_.get() == NULL) + { + throw Orthanc::OrthancException(Orthanc::ErrorCode_BadSequenceOfCalls); + } + + return *configurator_; + } + + + void VolumeSceneLayerSource::Update(const CoordinateSystem3D& plane) + { + assert(slicer_.get() != NULL); + std::auto_ptr<IVolumeSlicer::IExtractedSlice> slice(slicer_->ExtractSlice(plane)); + + if (slice.get() == NULL) + { + throw Orthanc::OrthancException(Orthanc::ErrorCode_InternalError); + } + + if (!slice->IsValid()) + { + // The slicer cannot handle this cutting plane: Clear the layer + ClearLayer(); + } + else if (lastPlane_.get() != NULL && + IsSameCuttingPlane(*lastPlane_, plane) && + lastRevision_ == slice->GetRevision()) + { + // The content of the slice has not changed: Don't update the + // layer content, but possibly update its style + + if (configurator_.get() != NULL && + configurator_->GetRevision() != lastConfiguratorRevision_ && + scene_.HasLayer(layerDepth_)) + { + configurator_->ApplyStyle(scene_.GetLayer(layerDepth_)); + } + } + else + { + // Content has changed: An update is needed + lastPlane_.reset(new CoordinateSystem3D(plane)); + lastRevision_ = slice->GetRevision(); + + std::auto_ptr<ISceneLayer> layer(slice->CreateSceneLayer(configurator_.get(), plane)); + if (layer.get() == NULL) + { + ClearLayer(); + } + else + { + if (configurator_.get() != NULL) + { + lastConfiguratorRevision_ = configurator_->GetRevision(); + configurator_->ApplyStyle(*layer); + } + + scene_.SetLayer(layerDepth_, layer.release()); + } + } + } +}