Mercurial > hg > orthanc-stone
diff OrthancStone/Sources/Volumes/VolumeSceneLayerSource.cpp @ 1512:244ad1e4e76a
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 |
line wrap: on
line diff
--- /dev/null Thu Jan 01 00:00:00 1970 +0000 +++ b/OrthancStone/Sources/Volumes/VolumeSceneLayerSource.cpp Tue Jul 07 16:21:02 2020 +0200 @@ -0,0 +1,175 @@ +/** + * Stone of Orthanc + * Copyright (C) 2012-2016 Sebastien Jodogne, Medical Physics + * Department, University Hospital of Liege, Belgium + * Copyright (C) 2017-2020 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 "../Scene2D/NullLayer.h" +#include "../Viewport/IViewport.h" +#include "../StoneException.h" + +#include <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() + { + { + std::unique_ptr<IViewport::ILock> lock(viewport_->Lock()); + ViewportController& controller = lock->GetController(); + Scene2D& scene = controller.GetScene(); + scene.DeleteLayer(layerDepth_); + } + lastPlane_.reset(NULL); + } + + VolumeSceneLayerSource::VolumeSceneLayerSource( + boost::shared_ptr<OrthancStone::IViewport> viewport, + int layerDepth, + const boost::shared_ptr<IVolumeSlicer>& slicer) + : viewport_(viewport) + , layerDepth_(layerDepth) + , slicer_(slicer) + { + if (slicer == NULL) + { + throw Orthanc::OrthancException(Orthanc::ErrorCode_NullPointer); + } + + { + std::unique_ptr<IViewport::ILock> lock(viewport_->Lock()); + ViewportController& controller = lock->GetController(); + Scene2D& scene = controller.GetScene(); + ORTHANC_ASSERT(!scene.HasLayer(layerDepth_)); + + // we need to book the scene layer depth by adding a dummy layer + std::unique_ptr<NullLayer> nullLayer(new NullLayer); + scene.SetLayer(layerDepth_,nullLayer.release()); + } + } + + VolumeSceneLayerSource::~VolumeSceneLayerSource() + { + ClearLayer(); + } + + 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) + { + LOG(ERROR) << "VolumeSceneLayerSource::GetConfigurator(): (configurator_.get() == NULL)"; + throw Orthanc::OrthancException(Orthanc::ErrorCode_BadSequenceOfCalls); + } + + return *configurator_; + } + + + void VolumeSceneLayerSource::Update(const CoordinateSystem3D& plane) + { + std::unique_ptr<IViewport::ILock> lock(viewport_->Lock()); + ViewportController& controller = lock->GetController(); + Scene2D& scene = controller.GetScene(); + + assert(slicer_.get() != NULL); + std::unique_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 + { + LOG(TRACE) << "VolumeSceneLayerSource::Update -- Content has changed: An update is needed"; + // Content has changed: An update is needed + lastPlane_.reset(new CoordinateSystem3D(plane)); + lastRevision_ = slice->GetRevision(); + + std::unique_ptr<ISceneLayer> layer(slice->CreateSceneLayer(configurator_.get(), plane)); + if (layer.get() == NULL) + { + LOG(TRACE) << "VolumeSceneLayerSource::Update -- (layer.get() == NULL)"; + ClearLayer(); + } + else + { + LOG(TRACE) << "VolumeSceneLayerSource::Update -- (layer.get() != NULL)"; + if (configurator_.get() != NULL) + { + lastConfiguratorRevision_ = configurator_->GetRevision(); + configurator_->ApplyStyle(*layer); + } + + scene.SetLayer(layerDepth_, layer.release()); + } + } + } +}