Mercurial > hg > orthanc-stone
view Framework/Loaders/OrthancSeriesVolumeProgressiveLoader.h @ 1132:58799b7317fa
merge
author | Alain Mazy <alain@mazy.be> |
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date | Wed, 06 Nov 2019 10:47:05 +0100 |
parents | 262a0244e9b2 |
children | e713f1a99861 2d8ab34c8c91 |
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/** * 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/>. **/ #pragma once #include "../Messages/IObservable.h" #include "../Messages/IObserver.h" #include "../Oracle/GetOrthancImageCommand.h" #include "../Oracle/GetOrthancWebViewerJpegCommand.h" #include "../Oracle/IOracle.h" #include "../Oracle/OrthancRestApiCommand.h" #include "../Toolbox/SlicesSorter.h" #include "../Volumes/DicomVolumeImage.h" #include "../Volumes/IVolumeSlicer.h" #include "IFetchingItemsSorter.h" #include "IFetchingStrategy.h" #include <boost/shared_ptr.hpp> namespace OrthancStone { /** This class is used to manage the progressive loading of a volume that is stored in a Dicom series. */ class OrthancSeriesVolumeProgressiveLoader : public IObserver, public IObservable, public IVolumeSlicer, public IGeometryProvider { private: static const unsigned int LOW_QUALITY = 0; static const unsigned int MIDDLE_QUALITY = 1; static const unsigned int BEST_QUALITY = 2; class ExtractedSlice; /** Helper class internal to OrthancSeriesVolumeProgressiveLoader */ class SeriesGeometry : public boost::noncopyable { private: void CheckSlice(size_t index, const DicomInstanceParameters& reference) const; void CheckVolume() const; void Clear(); void CheckSliceIndex(size_t index) const; std::auto_ptr<VolumeImageGeometry> geometry_; std::vector<DicomInstanceParameters*> slices_; std::vector<uint64_t> slicesRevision_; public: ~SeriesGeometry() { Clear(); } void ComputeGeometry(SlicesSorter& slices); virtual bool HasGeometry() const { return geometry_.get() != NULL; } virtual const VolumeImageGeometry& GetImageGeometry() const; const DicomInstanceParameters& GetSliceParameters(size_t index) const; uint64_t GetSliceRevision(size_t index) const; void IncrementSliceRevision(size_t index); }; void ScheduleNextSliceDownload(); void LoadGeometry(const OrthancRestApiCommand::SuccessMessage& message); void SetSliceContent(unsigned int sliceIndex, const Orthanc::ImageAccessor& image, unsigned int quality); void LoadBestQualitySliceContent(const GetOrthancImageCommand::SuccessMessage& message); void LoadJpegSliceContent(const GetOrthancWebViewerJpegCommand::SuccessMessage& message); IOracle& oracle_; IObservable& oracleObservable_; bool active_; unsigned int simultaneousDownloads_; SeriesGeometry seriesGeometry_; boost::shared_ptr<DicomVolumeImage> volume_; std::auto_ptr<IFetchingItemsSorter::IFactory> sorter_; std::auto_ptr<IFetchingStrategy> strategy_; std::vector<unsigned int> slicesQuality_; bool volumeImageReadyInHighQuality_; public: ORTHANC_STONE_DEFINE_ORIGIN_MESSAGE(__FILE__, __LINE__, VolumeImageReadyInHighQuality, OrthancSeriesVolumeProgressiveLoader); OrthancSeriesVolumeProgressiveLoader(const boost::shared_ptr<DicomVolumeImage>& volume, IOracle& oracle, IObservable& oracleObservable); virtual ~OrthancSeriesVolumeProgressiveLoader(); void SetSimultaneousDownloads(unsigned int count); bool IsVolumeImageReadyInHighQuality() const { return volumeImageReadyInHighQuality_; } void LoadSeries(const std::string& seriesId); /** This getter is used by clients that do not receive the geometry through subscribing, for instance if they are created or listening only AFTER the "geometry loaded" message is broadcast */ bool HasGeometry() const ORTHANC_OVERRIDE { return seriesGeometry_.HasGeometry(); } /** Same remark as HasGeometry */ const VolumeImageGeometry& GetImageGeometry() const ORTHANC_OVERRIDE { return seriesGeometry_.GetImageGeometry(); } /** When a slice is requested, the strategy algorithm (that defines the sequence of resources to be loaded from the server) is modified to take into account this request (this is done in the ExtractedSlice ctor) */ virtual IExtractedSlice* ExtractSlice(const CoordinateSystem3D& cuttingPlane) ORTHANC_OVERRIDE; }; }