orthanc-stone: Samples/Sdl/Loader.cpp comparison

comparison Samples/Sdl/Loader.cpp @ 633:b0652595b62a

Merge

author	Benjamin Golinvaux <bgo@osimis.io>
date	Thu, 09 May 2019 14:38:27 +0200
parents	ea8322566596
children	fb00a8be03e2

comparison

equal deleted inserted replaced

-:500c3f70b6c2
+:b0652595b62a
+/**
+* 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/>.
+**/
+// From Stone
+#include "../../Framework/Messages/ICallable.h"
+#include "../../Framework/Messages/IMessage.h"
+#include "../../Framework/Messages/IObservable.h"
+#include "../../Framework/Messages/MessageBroker.h"
+#include "../../Framework/StoneInitialization.h"
+#include "../../Framework/Toolbox/GeometryToolbox.h"
+#include "../../Framework/Volumes/ImageBuffer3D.h"
+// From Orthanc framework
+#include <Core/DicomFormat/DicomArray.h>
+#include <Core/DicomFormat/DicomImageInformation.h>
+#include <Core/HttpClient.h>
+#include <Core/IDynamicObject.h>
+#include <Core/Images/Image.h>
+#include <Core/Images/ImageProcessing.h>
+#include <Core/Images/PngWriter.h>
+#include <Core/Logging.h>
+#include <Core/MultiThreading/SharedMessageQueue.h>
+#include <Core/OrthancException.h>
+#include <Core/Toolbox.h>
+#include <json/reader.h>
+#include <json/value.h>
+#include <json/writer.h>
+#include <list>
+#include <stdio.h>
+namespace Refactoring
+{
+class IOracleCommand : public boost::noncopyable
+{
+public:
+enum Type
+{
+Type_OrthancApi
+};
+virtual ~IOracleCommand()
+{
+}
+virtual Type GetType() const = 0;
+};
+class IMessageEmitter : public boost::noncopyable
+{
+public:
+virtual ~IMessageEmitter()
+{
+}
+virtual void EmitMessage(const OrthancStone::IObserver& observer,
+const OrthancStone::IMessage& message) = 0;
+};
+class IOracle : public boost::noncopyable
+{
+public:
+virtual ~IOracle()
+{
+}
+virtual void Schedule(const OrthancStone::IObserver& receiver,
+IOracleCommand* command) = 0;  // Takes ownership
+};
+class OracleCommandWithPayload : public IOracleCommand
+{
+private:
+std::auto_ptr<Orthanc::IDynamicObject>  payload_;
+public:
+void SetPayload(Orthanc::IDynamicObject* payload)
+{
+if (payload == NULL)
+{
+throw Orthanc::OrthancException(Orthanc::ErrorCode_NullPointer);
+}
+else
+{
+payload_.reset(payload);
+}
+}
+bool HasPayload() const
+{
+return (payload_.get() != NULL);
+}
+const Orthanc::IDynamicObject& GetPayload() const
+{
+if (HasPayload())
+{
+return *payload_;
+}
+else
+{
+throw Orthanc::OrthancException(Orthanc::ErrorCode_BadSequenceOfCalls);
+}
+}
+};
+typedef std::map<std::string, std::string>  HttpHeaders;
+class OrthancApiOracleCommand : public OracleCommandWithPayload
+{
+public:
+class SuccessMessage : public OrthancStone::OriginMessage<OrthancStone::MessageType_HttpRequestSuccess,   // TODO
+OrthancApiOracleCommand>
+{
+private:
+HttpHeaders   headers_;
+std::string   answer_;
+public:
+SuccessMessage(const OrthancApiOracleCommand& command,
+const HttpHeaders& answerHeaders,
+std::string& answer  /* will be swapped to avoid a memcpy() */) :
+OriginMessage(command),
+headers_(answerHeaders),
+answer_(answer)
+{
+}
+const std::string& GetAnswer() const
+{
+return answer_;
+}
+void ParseJsonBody(Json::Value& target) const
+{
+Json::Reader reader;
+if (!reader.parse(answer_, target))
+{
+throw Orthanc::OrthancException(Orthanc::ErrorCode_BadFileFormat);
+}
+}
+const HttpHeaders&  GetAnswerHeaders() const
+{
+return headers_;
+}
+};
+class FailureMessage : public OrthancStone::OriginMessage<OrthancStone::MessageType_HttpRequestError,   // TODO
+OrthancApiOracleCommand>
+{
+private:
+Orthanc::HttpStatus  status_;
+public:
+FailureMessage(const OrthancApiOracleCommand& command,
+Orthanc::HttpStatus status) :
+OriginMessage(command),
+status_(status)
+{
+}
+Orthanc::HttpStatus GetHttpStatus() const
+{
+return status_;
+}
+};
+private:
+Orthanc::HttpMethod  method_;
+std::string          uri_;
+std::string          body_;
+HttpHeaders          headers_;
+unsigned int         timeout_;
+std::auto_ptr< OrthancStone::MessageHandler<SuccessMessage> >  successCallback_;
+std::auto_ptr< OrthancStone::MessageHandler<FailureMessage> >  failureCallback_;
+public:
+OrthancApiOracleCommand() :
+method_(Orthanc::HttpMethod_Get),
+uri_("/"),
+timeout_(10)
+{
+}
+virtual Type GetType() const
+{
+return Type_OrthancApi;
+}
+void SetMethod(Orthanc::HttpMethod method)
+{
+method_ = method;
+}
+void SetUri(const std::string& uri)
+{
+uri_ = uri;
+}
+void SetBody(const std::string& body)
+{
+body_ = body;
+}
+void SetBody(const Json::Value& json)
+{
+Json::FastWriter writer;
+body_ = writer.write(json);
+}
+void SetHttpHeader(const std::string& key,
+const std::string& value)
+{
+headers_[key] = value;
+}
+Orthanc::HttpMethod GetMethod() const
+{
+return method_;
+}
+const std::string& GetUri() const
+{
+return uri_;
+}
+const std::string& GetBody() const
+{
+if (method_ == Orthanc::HttpMethod_Post ||
+method_ == Orthanc::HttpMethod_Put)
+{
+return body_;
+}
+else
+{
+throw Orthanc::OrthancException(Orthanc::ErrorCode_BadSequenceOfCalls);
+}
+}
+const HttpHeaders& GetHttpHeaders() const
+{
+return headers_;
+}
+void SetTimeout(unsigned int seconds)
+{
+timeout_ = seconds;
+}
+unsigned int GetTimeout() const
+{
+return timeout_;
+}
+};
+class NativeOracle : public IOracle
+{
+private:
+class Item : public Orthanc::IDynamicObject
+{
+private:
+const OrthancStone::IObserver&  receiver_;
+std::auto_ptr<IOracleCommand>   command_;
+public:
+Item(const OrthancStone::IObserver& receiver,
+IOracleCommand* command) :
+receiver_(receiver),
+command_(command)
+{
+if (command == NULL)
+{
+throw Orthanc::OrthancException(Orthanc::ErrorCode_NullPointer);
+}
+}
+const OrthancStone::IObserver& GetReceiver() const
+{
+return receiver_;
+}
+const IOracleCommand& GetCommand() const
+{
+assert(command_.get() != NULL);
+return *command_;
+}
+};
+enum State
+{
+State_Setup,
+State_Running,
+State_Stopped
+};
+IMessageEmitter&               emitter_;
+Orthanc::WebServiceParameters  orthanc_;
+Orthanc::SharedMessageQueue    queue_;
+State                          state_;
+boost::mutex                   mutex_;
+std::vector<boost::thread*>    workers_;
+void Execute(const OrthancStone::IObserver& receiver,
+const OrthancApiOracleCommand& command)
+{
+Orthanc::HttpClient  client(orthanc_, command.GetUri());
+client.SetMethod(command.GetMethod());
+client.SetTimeout(command.GetTimeout());
+if (command.GetMethod() == Orthanc::HttpMethod_Post ||
+command.GetMethod() == Orthanc::HttpMethod_Put)
+{
+client.SetBody(command.GetBody());
+}
+{
+const HttpHeaders& headers = command.GetHttpHeaders();
+for (HttpHeaders::const_iterator it = headers.begin(); it != headers.end(); it++ )
+{
+client.AddHeader(it->first, it->second);
+}
+}
+std::string answer;
+HttpHeaders answerHeaders;
+bool success;
+try
+{
+success = client.Apply(answer, answerHeaders);
+}
+catch (Orthanc::OrthancException& e)
+{
+success = false;
+}
+if (success)
+{
+OrthancApiOracleCommand::SuccessMessage message(command, answerHeaders, answer);
+emitter_.EmitMessage(receiver, message);
+}
+else
+{
+OrthancApiOracleCommand::FailureMessage message(command, client.GetLastStatus());
+emitter_.EmitMessage(receiver, message);
+}
+}
+void Step()
+{
+std::auto_ptr<Orthanc::IDynamicObject>  object(queue_.Dequeue(100));
+if (object.get() != NULL)
+{
+const Item& item = dynamic_cast<Item&>(*object);
+try
+{
+switch (item.GetCommand().GetType())
+{
+case IOracleCommand::Type_OrthancApi:
+Execute(item.GetReceiver(),
+dynamic_cast<const OrthancApiOracleCommand&>(item.GetCommand()));
+break;
+default:
+throw Orthanc::OrthancException(Orthanc::ErrorCode_NotImplemented);
+}
+}
+catch (Orthanc::OrthancException& e)
+{
+LOG(ERROR) << "Exception within the oracle: " << e.What();
+}
+catch (...)
+{
+LOG(ERROR) << "Native exception within the oracle";
+}
+}
+}
+static void Worker(NativeOracle* that)
+{
+assert(that != NULL);
+for (;;)
+{
+{
+boost::mutex::scoped_lock lock(that->mutex_);
+if (that->state_ != State_Running)
+{
+return;
+}
+}
+that->Step();
+}
+}
+void StopInternal()
+{
+{
+boost::mutex::scoped_lock lock(mutex_);
+if (state_ == State_Setup ||
+state_ == State_Stopped)
+{
+return;
+}
+else
+{
+state_ = State_Stopped;
+}
+}
+for (size_t i = 0; i < workers_.size(); i++)
+{
+if (workers_[i] != NULL)
+{
+if (workers_[i]->joinable())
+{
+workers_[i]->join();
+}
+delete workers_[i];
+}
+}
+}
+public:
+NativeOracle(IMessageEmitter& emitter) :
+emitter_(emitter),
+state_(State_Setup),
+workers_(4)
+{
+}
+virtual ~NativeOracle()
+{
+StopInternal();
+}
+void SetOrthancParameters(const Orthanc::WebServiceParameters& orthanc)
+{
+boost::mutex::scoped_lock lock(mutex_);
+if (state_ != State_Setup)
+{
+throw Orthanc::OrthancException(Orthanc::ErrorCode_BadSequenceOfCalls);
+}
+else
+{
+orthanc_ = orthanc;
+}
+}
+void SetWorkersCount(unsigned int count)
+{
+boost::mutex::scoped_lock lock(mutex_);
+if (count <= 0)
+{
+throw Orthanc::OrthancException(Orthanc::ErrorCode_ParameterOutOfRange);
+}
+else if (state_ != State_Setup)
+{
+throw Orthanc::OrthancException(Orthanc::ErrorCode_BadSequenceOfCalls);
+}
+else
+{
+workers_.resize(count);
+}
+}
+void Start()
+{
+boost::mutex::scoped_lock lock(mutex_);
+if (state_ != State_Setup)
+{
+throw Orthanc::OrthancException(Orthanc::ErrorCode_BadSequenceOfCalls);
+}
+else
+{
+state_ = State_Running;
+for (unsigned int i = 0; i < workers_.size(); i++)
+{
+workers_[i] = new boost::thread(Worker, this);
+}
+}
+}
+void Stop()
+{
+StopInternal();
+}
+virtual void Schedule(const OrthancStone::IObserver& receiver,
+IOracleCommand* command)
+{
+queue_.Enqueue(new Item(receiver, command));
+}
+};
+class NativeApplicationContext : public IMessageEmitter
+{
+private:
+boost::shared_mutex            mutex_;
+OrthancStone::MessageBroker    broker_;
+OrthancStone::IObservable      oracleObservable_;
+public:
+NativeApplicationContext() :
+oracleObservable_(broker_)
+{
+}
+virtual void EmitMessage(const OrthancStone::IObserver& observer,
+const OrthancStone::IMessage& message)
+{
+boost::unique_lock<boost::shared_mutex>  lock(mutex_);
+oracleObservable_.EmitMessage(observer, message);
+}
+class ReaderLock : public boost::noncopyable
+{
+private:
+NativeApplicationContext&                that_;
+boost::shared_lock<boost::shared_mutex>  lock_;
+public:
+ReaderLock(NativeApplicationContext& that) :
+that_(that),
+lock_(that.mutex_)
+{
+}
+};
+class WriterLock : public boost::noncopyable
+{
+private:
+NativeApplicationContext&                that_;
+boost::unique_lock<boost::shared_mutex>  lock_;
+public:
+WriterLock(NativeApplicationContext& that) :
+that_(that),
+lock_(that.mutex_)
+{
+}
+OrthancStone::MessageBroker& GetBroker()
+{
+return that_.broker_;
+}
+OrthancStone::IObservable& GetOracleObservable()
+{
+return that_.oracleObservable_;
+}
+};
+};
+class DicomInstanceParameters : public boost::noncopyable
+{
+private:
+Orthanc::DicomImageInformation    imageInformation_;
+OrthancStone::SopClassUid         sopClassUid_;
+double                            thickness_;
+double                            pixelSpacingX_;
+double                            pixelSpacingY_;
+OrthancStone::CoordinateSystem3D  geometry_;
+OrthancStone::Vector              frameOffsets_;
+bool                              isColor_;
+bool                              hasRescale_;
+double                            rescaleOffset_;
+double                            rescaleSlope_;
+bool                              hasDefaultWindowing_;
+float                             defaultWindowingCenter_;
+float                             defaultWindowingWidth_;
+Orthanc::PixelFormat              expectedPixelFormat_;
+void ComputeDoseOffsets(const Orthanc::DicomMap& dicom)
+{
+// http://dicom.nema.org/medical/Dicom/2016a/output/chtml/part03/sect_C.8.8.3.2.html
+{
+std::string increment;
+if (dicom.CopyToString(increment, Orthanc::DICOM_TAG_FRAME_INCREMENT_POINTER, false))
+{
+Orthanc::Toolbox::ToUpperCase(increment);
+if (increment != "3004,000C")  // This is the "Grid Frame Offset Vector" tag
+{
+LOG(ERROR) << "RT-DOSE: Bad value for the \"FrameIncrementPointer\" tag";
+return;
+}
+}
+}
+if (!OrthancStone::LinearAlgebra::ParseVector(frameOffsets_, dicom, Orthanc::DICOM_TAG_GRID_FRAME_OFFSET_VECTOR) ||
+frameOffsets_.size() < imageInformation_.GetNumberOfFrames())
+{
+LOG(ERROR) << "RT-DOSE: No information about the 3D location of some slice(s)";
+frameOffsets_.clear();
+}
+else
+{
+if (frameOffsets_.size() >= 2)
+{
+thickness_ = frameOffsets_[1] - frameOffsets_[0];
+if (thickness_ < 0)
+{
+thickness_ = -thickness_;
+}
+}
+}
+}
+public:
+DicomInstanceParameters(const Orthanc::DicomMap& dicom) :
+imageInformation_(dicom)
+{
+if (imageInformation_.GetNumberOfFrames() <= 0)
+{
+throw Orthanc::OrthancException(Orthanc::ErrorCode_BadFileFormat);
+}
+std::string s;
+if (!dicom.CopyToString(s, Orthanc::DICOM_TAG_SOP_CLASS_UID, false))
+{
+throw Orthanc::OrthancException(Orthanc::ErrorCode_BadFileFormat);
+}
+else
+{
+sopClassUid_ = OrthancStone::StringToSopClassUid(s);
+}
+if (!dicom.ParseDouble(thickness_, Orthanc::DICOM_TAG_SLICE_THICKNESS))
+{
+thickness_ = 100.0 * std::numeric_limits<double>::epsilon();
+}
+OrthancStone::GeometryToolbox::GetPixelSpacing(pixelSpacingX_, pixelSpacingY_, dicom);
+std::string position, orientation;
+if (dicom.CopyToString(position, Orthanc::DICOM_TAG_IMAGE_POSITION_PATIENT, false) &&
+dicom.CopyToString(orientation, Orthanc::DICOM_TAG_IMAGE_ORIENTATION_PATIENT, false))
+{
+geometry_ = OrthancStone::CoordinateSystem3D(position, orientation);
+}
+if (sopClassUid_ == OrthancStone::SopClassUid_RTDose)
+{
+ComputeDoseOffsets(dicom);
+}
+isColor_ = (imageInformation_.GetPhotometricInterpretation() != Orthanc::PhotometricInterpretation_Monochrome1 &&
+imageInformation_.GetPhotometricInterpretation() != Orthanc::PhotometricInterpretation_Monochrome2);
+double doseGridScaling;
+if (dicom.ParseDouble(rescaleOffset_, Orthanc::DICOM_TAG_RESCALE_INTERCEPT) &&
+dicom.ParseDouble(rescaleSlope_, Orthanc::DICOM_TAG_RESCALE_SLOPE))
+{
+hasRescale_ = true;
+}
+else if (dicom.ParseDouble(doseGridScaling, Orthanc::DICOM_TAG_DOSE_GRID_SCALING))
+{
+hasRescale_ = true;
+rescaleOffset_ = 0;
+rescaleSlope_ = doseGridScaling;
+}
+else
+{
+hasRescale_ = false;
+}
+OrthancStone::Vector c, w;
+if (OrthancStone::LinearAlgebra::ParseVector(c, dicom, Orthanc::DICOM_TAG_WINDOW_CENTER) &&
+OrthancStone::LinearAlgebra::ParseVector(w, dicom, Orthanc::DICOM_TAG_WINDOW_WIDTH) &&
+c.size() > 0 &&
+w.size() > 0)
+{
+hasDefaultWindowing_ = true;
+defaultWindowingCenter_ = static_cast<float>(c[0]);
+defaultWindowingWidth_ = static_cast<float>(w[0]);
+}
+else
+{
+hasDefaultWindowing_ = false;
+}
+if (sopClassUid_ == OrthancStone::SopClassUid_RTDose)
+{
+switch (imageInformation_.GetBitsStored())
+{
+case 16:
+expectedPixelFormat_ = Orthanc::PixelFormat_Grayscale16;
+break;
+case 32:
+expectedPixelFormat_ = Orthanc::PixelFormat_Grayscale32;
+break;
+default:
+throw Orthanc::OrthancException(Orthanc::ErrorCode_NotImplemented);
+}
+}
+else if (isColor_)
+{
+expectedPixelFormat_ = Orthanc::PixelFormat_RGB24;
+}
+else if (imageInformation_.IsSigned())
+{
+expectedPixelFormat_ = Orthanc::PixelFormat_SignedGrayscale16;
+}
+else
+{
+expectedPixelFormat_ = Orthanc::PixelFormat_Grayscale16;
+}
+}
+const Orthanc::DicomImageInformation& GetImageInformation() const
+{
+return imageInformation_;
+}
+OrthancStone::SopClassUid GetSopClassUid() const
+{
+return sopClassUid_;
+}
+double GetThickness() const
+{
+return thickness_;
+}
+double GetPixelSpacingX() const
+{
+return pixelSpacingX_;
+}
+double GetPixelSpacingY() const
+{
+return pixelSpacingY_;
+}
+const OrthancStone::CoordinateSystem3D&  GetGeometry() const
+{
+return geometry_;
+}
+OrthancStone::CoordinateSystem3D  GetFrameGeometry(unsigned int frame) const
+{
+if (frame >= imageInformation_.GetNumberOfFrames())
+{
+throw Orthanc::OrthancException(Orthanc::ErrorCode_ParameterOutOfRange);
+}
+if (sopClassUid_ == OrthancStone::SopClassUid_RTDose)
+{
+if (frame >= frameOffsets_.size())
+{
+throw Orthanc::OrthancException(Orthanc::ErrorCode_InternalError);
+}
+return OrthancStone::CoordinateSystem3D(
+geometry_.GetOrigin() + frameOffsets_[frame] * geometry_.GetNormal(),
+geometry_.GetAxisX(),
+geometry_.GetAxisY());
+}
+}
+bool FrameContainsPlane(unsigned int frame,
+const OrthancStone::CoordinateSystem3D& plane) const
+{
+if (frame >= imageInformation_.GetNumberOfFrames())
+{
+throw Orthanc::OrthancException(Orthanc::ErrorCode_ParameterOutOfRange);
+}
+OrthancStone::CoordinateSystem3D tmp = geometry_;
+if (frame != 0)
+{
+tmp = GetFrameGeometry(frame);
+}
+bool opposite;   // Ignored
+return (OrthancStone::GeometryToolbox::IsParallelOrOpposite(
+opposite, tmp.GetNormal(), plane.GetNormal()) &&
+OrthancStone::LinearAlgebra::IsNear(
+tmp.ProjectAlongNormal(tmp.GetOrigin()),
+tmp.ProjectAlongNormal(plane.GetOrigin()),
+thickness_ / 2.0));
+}
+bool IsColor() const
+{
+return isColor_;
+}
+bool HasRescale() const
+{
+return hasRescale_;
+}
+double GetRescaleOffset() const
+{
+if (hasRescale_)
+{
+return rescaleOffset_;
+}
+else
+{
+throw Orthanc::OrthancException(Orthanc::ErrorCode_BadSequenceOfCalls);
+}
+}
+double GetRescaleSlope() const
+{
+if (hasRescale_)
+{
+return rescaleSlope_;
+}
+else
+{
+throw Orthanc::OrthancException(Orthanc::ErrorCode_BadSequenceOfCalls);
+}
+}
+bool HasDefaultWindowing() const
+{
+return hasDefaultWindowing_;
+}
+float GetDefaultWindowingCenter() const
+{
+if (hasDefaultWindowing_)
+{
+return defaultWindowingCenter_;
+}
+else
+{
+throw Orthanc::OrthancException(Orthanc::ErrorCode_BadSequenceOfCalls);
+}
+}
+float GetDefaultWindowingWidth() const
+{
+if (hasDefaultWindowing_)
+{
+return defaultWindowingWidth_;
+}
+else
+{
+throw Orthanc::OrthancException(Orthanc::ErrorCode_BadSequenceOfCalls);
+}
+}
+Orthanc::PixelFormat GetExpectedPixelFormat() const
+{
+return expectedPixelFormat_;
+}
+};
+class AxialVolumeOrthancLoader : public OrthancStone::IObserver
+{
+private:
+class MessageHandler : public Orthanc::IDynamicObject
+{
+public:
+virtual void Handle(const OrthancApiOracleCommand::SuccessMessage& message) const = 0;
+};
+void Handle(const OrthancApiOracleCommand::SuccessMessage& message)
+{
+dynamic_cast<const MessageHandler&>(message.GetOrigin().GetPayload()).Handle(message);
+}
+class LoadSeriesGeometryHandler : public MessageHandler
+{
+private:
+AxialVolumeOrthancLoader&  that_;
+public:
+LoadSeriesGeometryHandler(AxialVolumeOrthancLoader& that) :
+that_(that)
+{
+}
+virtual void Handle(const OrthancApiOracleCommand::SuccessMessage& message) const
+{
+Json::Value value;
+message.ParseJsonBody(value);
+if (value.type() != Json::objectValue)
+{
+throw Orthanc::OrthancException(Orthanc::ErrorCode_NetworkProtocol);
+}
+Json::Value::Members instances = value.getMemberNames();
+for (size_t i = 0; i < instances.size(); i++)
+{
+Orthanc::DicomMap dicom;
+dicom.FromDicomAsJson(value[instances[i]]);
+DicomInstanceParameters instance(dicom);
+}
+}
+};
+class LoadInstanceGeometryHandler : public MessageHandler
+{
+private:
+AxialVolumeOrthancLoader&  that_;
+public:
+LoadInstanceGeometryHandler(AxialVolumeOrthancLoader& that) :
+that_(that)
+{
+}
+virtual void Handle(const OrthancApiOracleCommand::SuccessMessage& message) const
+{
+Json::Value value;
+message.ParseJsonBody(value);
+if (value.type() != Json::objectValue)
+{
+throw Orthanc::OrthancException(Orthanc::ErrorCode_NetworkProtocol);
+}
+Orthanc::DicomMap dicom;
+dicom.FromDicomAsJson(value);
+DicomInstanceParameters instance(dicom);
+}
+};
+bool                                        active_;
+std::auto_ptr<OrthancStone::ImageBuffer3D>  image_;
+public:
+AxialVolumeOrthancLoader(OrthancStone::IObservable& oracle) :
+IObserver(oracle.GetBroker()),
+active_(false)
+{
+oracle.RegisterObserverCallback(
+new OrthancStone::Callable<AxialVolumeOrthancLoader, OrthancApiOracleCommand::SuccessMessage>
+(*this, &AxialVolumeOrthancLoader::Handle));
+}
+void LoadSeries(IOracle& oracle,
+const std::string& seriesId)
+{
+if (active_)
+{
+throw Orthanc::OrthancException(Orthanc::ErrorCode_BadSequenceOfCalls);
+}
+active_ = true;
+std::auto_ptr<Refactoring::OrthancApiOracleCommand> command(new Refactoring::OrthancApiOracleCommand);
+command->SetUri("/series/" + seriesId + "/instances-tags");
+command->SetPayload(new LoadSeriesGeometryHandler(*this));
+oracle.Schedule(*this, command.release());
+}
+void LoadInstance(IOracle& oracle,
+const std::string& instanceId)
+{
+if (active_)
+{
+throw Orthanc::OrthancException(Orthanc::ErrorCode_BadSequenceOfCalls);
+}
+active_ = true;
+// Tag "3004-000c" is "Grid Frame Offset Vector", which is
+// mandatory to read RT DOSE, but is too long to be returned by default
+// TODO => Should be part of a second call if needed
+std::auto_ptr<Refactoring::OrthancApiOracleCommand> command(new Refactoring::OrthancApiOracleCommand);
+command->SetUri("/instances/" + instanceId + "/tags?ignore-length=3004-000c");
+command->SetPayload(new LoadInstanceGeometryHandler(*this));
+oracle.Schedule(*this, command.release());
+}
+};
+}
+class Toto : public OrthancStone::IObserver
+{
+private:
+void Handle(const Refactoring::OrthancApiOracleCommand::SuccessMessage& message)
+{
+Json::Value v;
+message.ParseJsonBody(v);
+printf("ICI [%s]\n", v.toStyledString().c_str());
+}
+void Handle(const Refactoring::OrthancApiOracleCommand::FailureMessage& message)
+{
+printf("ERROR %d\n", message.GetHttpStatus());
+}
+public:
+Toto(OrthancStone::IObservable& oracle) :
+IObserver(oracle.GetBroker())
+{
+oracle.RegisterObserverCallback
+(new OrthancStone::Callable
+<Toto, Refactoring::OrthancApiOracleCommand::SuccessMessage>(*this, &Toto::Handle));
+}
+};
+void Run(Refactoring::NativeApplicationContext& context)
+{
+std::auto_ptr<Toto> toto;
+std::auto_ptr<Refactoring::AxialVolumeOrthancLoader> loader1, loader2;
+{
+Refactoring::NativeApplicationContext::WriterLock lock(context);
+toto.reset(new Toto(lock.GetOracleObservable()));
+loader1.reset(new Refactoring::AxialVolumeOrthancLoader(lock.GetOracleObservable()));
+loader2.reset(new Refactoring::AxialVolumeOrthancLoader(lock.GetOracleObservable()));
+}
+Refactoring::NativeOracle oracle(context);
+{
+Orthanc::WebServiceParameters p;
+//p.SetUrl("http://localhost:8043/");
+p.SetCredentials("orthanc", "orthanc");
+oracle.SetOrthancParameters(p);
+}
+oracle.Start();
+{
+Json::Value v = Json::objectValue;
+v["Level"] = "Series";
+v["Query"] = Json::objectValue;
+std::auto_ptr<Refactoring::OrthancApiOracleCommand>  command(new Refactoring::OrthancApiOracleCommand);
+command->SetMethod(Orthanc::HttpMethod_Post);
+command->SetUri("/tools/find");
+command->SetBody(v);
+oracle.Schedule(*toto, command.release());
+}
+// 2017-11-17-Anonymized
+loader1->LoadSeries(oracle, "cb3ea4d1-d08f3856-ad7b6314-74d88d77-60b05618");  // CT
+loader2->LoadInstance(oracle, "41029085-71718346-811efac4-420e2c15-d39f99b6");  // RT-DOSE
+boost::this_thread::sleep(boost::posix_time::seconds(1));
+oracle.Stop();
+}
+/**
+* IMPORTANT: The full arguments to "main()" are needed for SDL on
+* Windows. Otherwise, one gets the linking error "undefined reference
+* to `SDL_main'". https://wiki.libsdl.org/FAQWindows
+**/
+int main(int argc, char* argv[])
+{
+OrthancStone::StoneInitialize();
+Orthanc::Logging::EnableInfoLevel(true);
+try
+{
+Refactoring::NativeApplicationContext context;
+Run(context);
+}
+catch (Orthanc::OrthancException& e)
+{
+LOG(ERROR) << "EXCEPTION: " << e.What();
+}
+OrthancStone::StoneFinalize();
+return 0;
+}

Mercurial > hg > orthanc-stone

comparison Samples/Sdl/Loader.cpp @ 633:b0652595b62a