Mercurial > hg > orthanc-stone
diff Applications/Samples/Sdl/SingleFrameViewer/SdlSimpleViewerApplication.h @ 1538:d1806b4e4839
moving OrthancStone/Samples/ as Applications/Samples/
author | Sebastien Jodogne <s.jodogne@gmail.com> |
---|---|
date | Tue, 11 Aug 2020 13:24:38 +0200 |
parents | OrthancStone/Samples/Sdl/SingleFrameViewer/SdlSimpleViewerApplication.h@244ad1e4e76a |
children | 6e0da8370270 |
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--- /dev/null Thu Jan 01 00:00:00 1970 +0000 +++ b/Applications/Samples/Sdl/SingleFrameViewer/SdlSimpleViewerApplication.h Tue Aug 11 13:24:38 2020 +0200 @@ -0,0 +1,168 @@ +/** + * 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/>. + **/ + + +#pragma once + +#include "../../../Sources/Viewport/IViewport.h" +#include "../../../Sources/Loaders/DicomResourcesLoader.h" +#include "../../../Sources/Loaders/ILoadersContext.h" +#include "../../../Sources/Loaders/SeriesFramesLoader.h" +#include "../../../Sources/Loaders/SeriesThumbnailsLoader.h" + +#include <Compatibility.h> // For std::unique_ptr<> + +#include <boost/make_shared.hpp> + + +using OrthancStone::ILoadersContext; +using OrthancStone::ObserverBase; +using OrthancStone::IViewport; +using OrthancStone::DicomResourcesLoader; +using OrthancStone::SeriesFramesLoader; +using OrthancStone::TextureBaseSceneLayer; +using OrthancStone::DicomSource; +using OrthancStone::SeriesThumbnailsLoader; +using OrthancStone::LoadedDicomResources; +using OrthancStone::SeriesThumbnailType; +using OrthancStone::OracleScheduler; +using OrthancStone::OrthancRestApiCommand; +using OrthancStone::OracleScheduler; +using OrthancStone::OracleScheduler; +using OrthancStone::OracleScheduler; + + +class SdlSimpleViewerApplication : public ObserverBase<SdlSimpleViewerApplication> +{ + +public: + static boost::shared_ptr<SdlSimpleViewerApplication> Create(ILoadersContext& context, boost::shared_ptr<IViewport> viewport) + { + boost::shared_ptr<SdlSimpleViewerApplication> application(new SdlSimpleViewerApplication(context, viewport)); + + { + std::unique_ptr<ILoadersContext::ILock> lock(context.Lock()); + application->dicomLoader_ = DicomResourcesLoader::Create(*lock); + } + + application->Register<DicomResourcesLoader::SuccessMessage>(*application->dicomLoader_, &SdlSimpleViewerApplication::Handle); + + return application; + } + + void LoadOrthancFrame(const DicomSource& source, const std::string& instanceId, unsigned int frame) + { + std::unique_ptr<ILoadersContext::ILock> lock(context_.Lock()); + + dicomLoader_->ScheduleLoadOrthancResource(boost::make_shared<LoadedDicomResources>(Orthanc::DICOM_TAG_SOP_INSTANCE_UID), + 0, source, Orthanc::ResourceType_Instance, instanceId, + new Orthanc::SingleValueObject<unsigned int>(frame)); + } + +#if 0 + void LoadDicomWebFrame(const DicomSource& source, + const std::string& studyInstanceUid, + const std::string& seriesInstanceUid, + const std::string& sopInstanceUid, + unsigned int frame) + { + std::unique_ptr<ILoadersContext::ILock> lock(context_.Lock()); + + // We first must load the "/metadata" to know the number of frames + dicomLoader_->ScheduleGetDicomWeb( + boost::make_shared<LoadedDicomResources>(Orthanc::DICOM_TAG_SOP_INSTANCE_UID), 0, source, + "/studies/" + studyInstanceUid + "/series/" + seriesInstanceUid + "/instances/" + sopInstanceUid + "/metadata", + new Orthanc::SingleValueObject<unsigned int>(frame)); + } +#endif + + void FitContent() + { + std::unique_ptr<IViewport::ILock> lock(viewport_->Lock()); + lock->GetCompositor().FitContent(lock->GetController().GetScene()); + lock->Invalidate(); + } + +private: + ILoadersContext& context_; + boost::shared_ptr<IViewport> viewport_; + boost::shared_ptr<DicomResourcesLoader> dicomLoader_; + boost::shared_ptr<SeriesFramesLoader> framesLoader_; + + SdlSimpleViewerApplication(ILoadersContext& context, + boost::shared_ptr<IViewport> viewport) : + context_(context), + viewport_(viewport) + { + } + + void Handle(const SeriesFramesLoader::FrameLoadedMessage& message) + { + LOG(INFO) << "Frame decoded! " + << message.GetImage().GetWidth() << "x" << message.GetImage().GetHeight() + << " " << Orthanc::EnumerationToString(message.GetImage().GetFormat()); + + std::unique_ptr<TextureBaseSceneLayer> layer( + message.GetInstanceParameters().CreateTexture(message.GetImage())); + layer->SetLinearInterpolation(true); + + { + std::unique_ptr<IViewport::ILock> lock(viewport_->Lock()); + lock->GetController().GetScene().SetLayer(0, layer.release()); + lock->GetCompositor().FitContent(lock->GetController().GetScene()); + lock->Invalidate(); + } + } + + void Handle(const DicomResourcesLoader::SuccessMessage& message) + { + if (message.GetResources()->GetSize() != 1) + { + throw Orthanc::OrthancException(Orthanc::ErrorCode_InternalError); + } + + //message.GetResources()->GetResource(0).Print(stdout); + + { + std::unique_ptr<ILoadersContext::ILock> lock(context_.Lock()); + SeriesFramesLoader::Factory f(*message.GetResources()); + + framesLoader_ = boost::dynamic_pointer_cast<SeriesFramesLoader>( + f.Create(*lock)); + + Register<SeriesFramesLoader::FrameLoadedMessage>( + *framesLoader_, &SdlSimpleViewerApplication::Handle); + + assert(message.HasUserPayload()); + + const Orthanc::SingleValueObject<unsigned int>& payload = + dynamic_cast<const Orthanc::SingleValueObject<unsigned int>&>( + message.GetUserPayload()); + + LOG(INFO) << "Loading pixel data of frame: " << payload.GetValue(); + framesLoader_->ScheduleLoadFrame( + 0, message.GetDicomSource(), payload.GetValue(), + message.GetDicomSource().GetQualityCount() - 1 /* download best quality available */, + NULL); + } + } + +}; +