Mercurial > hg > orthanc-stone
view Applications/Samples/Sdl/SingleFrameViewer/SdlSimpleViewerApplication.h @ 1719:9a1f79d21a3f
added buttons to go to the first and last frames
author | Sebastien Jodogne <s.jodogne@gmail.com> |
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date | Tue, 01 Dec 2020 10:42:45 +0100 |
parents | 4fb8fdf03314 |
children | 9ac2a65d4172 |
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/** * 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 "../../../../OrthancStone/Sources/Loaders/DicomResourcesLoader.h" #include "../../../../OrthancStone/Sources/Loaders/ILoadersContext.h" #include "../../../../OrthancStone/Sources/Loaders/SeriesFramesLoader.h" #include "../../../../OrthancStone/Sources/Loaders/SeriesThumbnailsLoader.h" #include "../../../../OrthancStone/Sources/Scene2DViewport/ViewportController.h" #include "../../../../OrthancStone/Sources/Viewport/IViewport.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); } } };