Mercurial > hg > orthanc-stone
diff Framework/Loaders/SeriesThumbnailsLoader.h @ 1228:c471a0aa137b broker
adding the next generation of loaders
author | Sebastien Jodogne <s.jodogne@gmail.com> |
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date | Mon, 09 Dec 2019 13:58:37 +0100 |
parents | |
children | 7a0460c5e98e |
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--- /dev/null Thu Jan 01 00:00:00 1970 +0000 +++ b/Framework/Loaders/SeriesThumbnailsLoader.h Mon Dec 09 13:58:37 2019 +0100 @@ -0,0 +1,209 @@ +/** + * 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 "../Oracle/GetOrthancImageCommand.h" +#include "../Oracle/HttpCommand.h" +#include "../Oracle/OracleCommandExceptionMessage.h" +#include "../Oracle/OrthancRestApiCommand.h" +#include "DicomSource.h" +#include "ILoaderFactory.h" +#include "OracleScheduler.h" + + +namespace OrthancStone +{ + enum SeriesThumbnailType + { + SeriesThumbnailType_Unknown = 1, + SeriesThumbnailType_Pdf = 2, + SeriesThumbnailType_Video = 3, + SeriesThumbnailType_Image = 4 + }; + + + class SeriesThumbnailsLoader : + public IObservable, + public ObserverBase<SeriesThumbnailsLoader> + { + private: + class Thumbnail : public boost::noncopyable + { + private: + SeriesThumbnailType type_; + std::string image_; + std::string mime_; + + public: + Thumbnail(const std::string& image, + const std::string& mime); + + Thumbnail(SeriesThumbnailType type); + + SeriesThumbnailType GetType() const + { + return type_; + } + + const std::string& GetImage() const + { + return image_; + } + + const std::string& GetMime() const + { + return mime_; + } + }; + + public: + class ThumbnailLoadedMessage : public OriginMessage<SeriesThumbnailsLoader> + { + ORTHANC_STONE_MESSAGE(__FILE__, __LINE__); + + private: + const DicomSource& source_; + const std::string& studyInstanceUid_; + const std::string& seriesInstanceUid_; + const Thumbnail& thumbnail_; + + public: + ThumbnailLoadedMessage(const SeriesThumbnailsLoader& origin, + const DicomSource& source, + const std::string& studyInstanceUid, + const std::string& seriesInstanceUid, + const Thumbnail& thumbnail) : + OriginMessage(origin), + source_(source), + studyInstanceUid_(studyInstanceUid), + seriesInstanceUid_(seriesInstanceUid), + thumbnail_(thumbnail) + { + } + + const DicomSource& GetDicomSource() const + { + return source_; + } + + SeriesThumbnailType GetType() const + { + return thumbnail_.GetType(); + } + + const std::string& GetStudyInstanceUid() const + { + return studyInstanceUid_; + } + + const std::string& GetSeriesInstanceUid() const + { + return seriesInstanceUid_; + } + + const std::string& GetEncodedImage() const + { + return thumbnail_.GetImage(); + } + + const std::string& GetMime() const + { + return thumbnail_.GetMime(); + } + }; + + private: + class Handler; + class DicomWebSopClassHandler; + class DicomWebThumbnailHandler; + class ThumbnailInformation; + class OrthancSopClassHandler; + class SelectOrthancInstanceHandler; + + // Maps a "Series Instance UID" to a thumbnail + typedef std::map<std::string, Thumbnail*> Thumbnails; + + ILoadersContext& context_; + Thumbnails thumbnails_; + int priority_; + unsigned int width_; + unsigned int height_; + + void AcquireThumbnail(const DicomSource& source, + const std::string& studyInstanceUid, + const std::string& seriesInstanceUid, + Thumbnail* thumbnail /* takes ownership */); + + void Schedule(IOracleCommand* command); + + void Handle(const HttpCommand::SuccessMessage& message); + + void Handle(const OrthancRestApiCommand::SuccessMessage& message); + + void Handle(const GetOrthancImageCommand::SuccessMessage& message); + + void Handle(const OracleCommandExceptionMessage& message); + + SeriesThumbnailsLoader(ILoadersContext& context, + int priority); + + public: + class Factory : public ILoaderFactory + { + private: + int priority_; + + public: + Factory() : + priority_(0) + { + } + + void SetPriority(int priority) + { + priority_ = priority; + } + + virtual boost::shared_ptr<IObserver> Create(ILoadersContext::ILock& context); + }; + + + virtual ~SeriesThumbnailsLoader() + { + Clear(); + } + + void SetThumbnailSize(unsigned int width, + unsigned int height); + + void Clear(); + + SeriesThumbnailType GetSeriesThumbnail(std::string& image, + std::string& mime, + const std::string& seriesInstanceUid) const; + + void ScheduleLoadThumbnail(const DicomSource& source, + const std::string& patientId, + const std::string& studyInstanceUid, + const std::string& seriesInstanceUid); + }; +}