cxMHDImageStreamer.cpp

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/*=========================================================================
This file is part of CustusX, an Image Guided Therapy Application.

Copyright (c) 2008-2014, SINTEF Department of Medical Technology
All rights reserved.

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modification, are permitted provided that the following conditions are met:

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   this list of conditions and the following disclaimer.

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   may be used to endorse or promote products derived from this software 
   without specific prior written permission.

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#include "cxMHDImageStreamer.h"

#include <QTimer>
#include <QDateTime>
#include "vtkImageData.h"
#include "vtkMetaImageReader.h"
#include "vtkLookupTable.h"
#include "vtkImageMapToColors.h"
#include "cxForwardDeclarations.h"
#include "cxImageDataContainer.h"
#include "cxTypeConversions.h"

#include <vtkImageExtractComponents.h>
#include <vtkImageAppendComponents.h>
#include <vtkImageLuminance.h>
#include <QFileInfo>

#include "cxStringProperty.h"
#include "cxDoubleProperty.h"
#include "cxBoolProperty.h"
#include "cxDataReaderWriter.h"
#include "cxSender.h"

namespace cx
{

std::vector<PropertyPtr> ImageStreamerDummyArguments::getSettings(QDomElement root)
{
        std::vector<PropertyPtr> retval;
        retval.push_back(this->getFilenameOption(root));
        retval.push_back(this->getSecondaryOption(root));
        return retval;
}

StringPropertyBasePtr ImageStreamerDummyArguments::getFilenameOption(QDomElement root)
{
        StringPropertyPtr retval;
        retval = StringProperty::initialize("filename", "Filename",
                                                                                          "Select a 3D image file to stream from",
                                                                                          "",
                                                                                          root);
        retval->setGuiRepresentation(StringPropertyBase::grFILENAME);
        retval->setGroup("File");
        return retval;
}

BoolPropertyBasePtr ImageStreamerDummyArguments::getSecondaryOption(QDomElement root)
{
        BoolPropertyPtr retval;
        bool defaultValue = false;
        retval = BoolProperty::initialize("secondary", "Secondary",
                                                                                        "Create two streams, the second one a dummy color image",
                                                                                        defaultValue, root);
        retval->setAdvanced(true);
        retval->setGroup("File");
        return retval;
}

StringMap ImageStreamerDummyArguments::convertToCommandLineArguments(QDomElement root)
{
        StringMap retval;
        retval["--type"] = "MHDFile";
        retval["--filename"] = this->getFilenameOption(root)->getValue();
        if (this->getSecondaryOption(root)->getValue())
                retval["--secondary"] = "1";
        return retval;
}

QStringList ImageStreamerDummyArguments::getArgumentDescription()
{
        QStringList retval;
        retval << "--filename:          name of image file to stream from ";
        retval << "--secondary:         Create two streams, the second one a dummy color image";
        return retval;
}

} // namespace cx



namespace cx
{

vtkLookupTablePtr createLookupTable(int numberOfTableValues)
{
        vtkLookupTablePtr lut = vtkLookupTablePtr::New();
        lut->SetNumberOfTableValues(numberOfTableValues);
        lut->SetTableRange(0, numberOfTableValues - 1);
        lut->SetSaturationRange(0, 0.5);
        lut->SetHueRange(0, 1);
        lut->SetValueRange(0, 1);
        lut->Build();
        return lut;
}

vtkImageDataPtr applyLUTToImage(vtkImageDataPtr input, vtkLookupTablePtr lut)
{
        vtkImageMapToColorsPtr mapper = vtkImageMapToColorsPtr::New();
        mapper->SetInputData(input);
        mapper->SetLookupTable(lut);
        mapper->Update();
        vtkImageDataPtr retval = mapper->GetOutput();
        return retval;
}

vtkImageDataPtr convertToTestColorImage(vtkImageDataPtr image)
{
        int numberOfTableValues = 256;
        vtkLookupTablePtr lut = createLookupTable(numberOfTableValues);
        vtkImageDataPtr retval = applyLUTToImage(image, lut);
        return retval;
}


ImageTestData ImageTestData::initializePrimaryData(vtkImageDataPtr source, QString filename)
{
        ImageTestData retval;
        QString colorFormat = "R";
        if (source->GetNumberOfScalarComponents() == 3)
        {
                vtkImageAppendComponentsPtr merger = vtkImageAppendComponentsPtr::New();
                vtkImageExtractComponentsPtr splitterRGB = vtkImageExtractComponentsPtr::New();
                splitterRGB->SetInputData(source);
                splitterRGB->SetComponents(0, 1, 2);
//              merger->AddInputConnection(0, splitterRGB->GetOutputPort());
                merger->AddInputConnection(splitterRGB->GetOutputPort());
                vtkImageExtractComponentsPtr splitterA = vtkImageExtractComponentsPtr::New();
                splitterA->SetInputData(source);
                splitterA->SetComponents(0);
                merger->AddInputConnection(splitterA->GetOutputPort());
//              merger->AddInputConnection(1, splitterA->GetOutputPort());
                merger->Update();
                retval.mImageData = merger->GetOutput();
                colorFormat = "RGBA";
        }
        else if (source->GetNumberOfScalarComponents() == 4)
        {
                retval.mImageData = source;
                colorFormat = "RGBA";
        }
        else if (source->GetNumberOfScalarComponents() == 1)
        {
                retval.mImageData = source;
                colorFormat = "R";
        }

        retval.mRawUid = QString("%1 [%2]").arg(QFileInfo(filename).completeBaseName()).arg(colorFormat);
        retval.mDataSource.reset(new SplitFramesContainer(retval.mImageData));
        retval.mCurrentFrame = 0;
        return retval;
}

ImageTestData ImageTestData::initializeSecondaryData(vtkImageDataPtr source, QString filename)
{
        ImageTestData retval;
        QString colorFormat = "R";
        if (source->GetNumberOfScalarComponents() == 3)
        {
                vtkSmartPointer < vtkImageLuminance > luminance = vtkSmartPointer < vtkImageLuminance > ::New();
                luminance->SetInputData(source);
                luminance->Update();
                vtkImageDataPtr outData = luminance->GetOutput();
                retval.mImageData = outData;
                colorFormat = "R";
        }
        else if (source->GetNumberOfScalarComponents() == 4)
        {
                retval.mImageData = source;
                colorFormat = "RGBA";
        }
        else if (source->GetNumberOfScalarComponents() == 1)
        {
                retval.mImageData = source;
                colorFormat = "R";
        }

        retval.mRawUid = QString("uchar %1[%2]").arg(QFileInfo(filename).completeBaseName()).arg(colorFormat);
        retval.mDataSource.reset(new SplitFramesContainer(retval.mImageData));
        retval.mCurrentFrame = 0;
        return retval;
}

PackagePtr ImageTestData::createPackage(ImageTestData* data)
{
        PackagePtr package(new Package());

        int frame = (data->mCurrentFrame++) % data->mDataSource->size();
        QString uid = data->mRawUid;
        vtkImageDataPtr copy = vtkImageDataPtr::New();
        copy->DeepCopy(data->mDataSource->get(frame));
        ImagePtr image(new Image(uid, copy));
        image->setAcquisitionTime(QDateTime::currentDateTime());
        package->mImage = image;
        return package;
}

DummyImageStreamer::DummyImageStreamer() :
                 mSendOnce(false),
                 mUseSecondaryStream(false),
                 mPrimaryDataSource(),
                 mSecondaryDataSource()
{
        this->setSendInterval(40);
}

QString DummyImageStreamer::getType()
{
        return "MHDFile";
}

vtkImageDataPtr DummyImageStreamer::internalLoadImage(QString filename)
{
        vtkImageDataPtr source = MetaImageReader().loadVtkImageData(filename);

        if (source)
                std::cout << "DummyImageStreamer: Initialized with source file: " << getFileName().toStdString() << std::endl;
        else
                std::cout << "DummyImageStreamer: Failed to initialize with source file: " << getFileName().toStdString() << std::endl;

        return source;
}
QString DummyImageStreamer::getFileName()
{
        return mFilename;
}

QStringList DummyImageStreamer::getArgumentDescription()
{
        return ImageStreamerDummyArguments().getArgumentDescription();
}


void DummyImageStreamer::createTestDataSource(vtkImageDataPtr source)
{
        mPrimaryDataSource = ImageTestData::initializePrimaryData(source, getFileName());

        if (!this->shouldSetupSecondaryDataSource())
                return;

        mSecondaryDataSource = ImageTestData::initializeSecondaryData(source, getFileName());
        std::cout << "DummyImageStreamer: Initialized secondary data with uid=" << mSecondaryDataSource.mRawUid << std::endl;
}

void DummyImageStreamer::initialize(QString filename, bool secondaryStream, bool sendonce)
{
        mUseSecondaryStream = secondaryStream;
        mFilename = filename;
        vtkImageDataPtr source = this->internalLoadImage(filename);
        if (!source)
        {
                this->setInitialized(false);
                return;
        }
        this->createTestDataSource(source);
        this->setSendOnce(sendonce);
        this->createSendTimer(sendonce);
        this->setInitialized(true);
}

bool DummyImageStreamer::startStreaming(SenderPtr sender)
{
        if (!this->isInitialized())
        {
                std::cout << "DummyImageStreamer: Failed to start streaming: Not initialized." << std::endl;
                return false;
        }
        mSender = sender;
        mSendTimer->start(this->getSendInterval());
        return true;
}

void DummyImageStreamer::stopStreaming()
{
        mSendTimer->stop();
}

vtkSmartPointer<vtkImageData> DummyImageStreamer::hasSecondaryData()
{
        return mSecondaryDataSource.mImageData;
}

void DummyImageStreamer::sendTestDataFrames()
{
        PackagePtr primaryPackage = ImageTestData::createPackage(&mPrimaryDataSource);
        mSender->send(primaryPackage);

        if(!this->hasSecondaryData())
                return;

        PackagePtr secondaryPackage = ImageTestData::createPackage(&mSecondaryDataSource);
        mSender->send(secondaryPackage);
}

void DummyImageStreamer::streamSlot()
{
        if (!this->isReadyToSend())
                return;

        this->sendTestDataFrames();
}

void DummyImageStreamer::setSendOnce(bool sendonce)
{
        mSendOnce = sendonce;
}

bool DummyImageStreamer::shouldSetupSecondaryDataSource()
{
        return mUseSecondaryStream;
}

} //namespace cx