cxFilterImpl.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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   this list of conditions and the following disclaimer in the documentation 
   and/or other materials provided with the distribution.

3. Neither the name of the copyright holder nor the names of its contributors 
   may be used to endorse or promote products derived from this software 
   without specific prior written permission.

THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" 
AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE 
IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE 
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=========================================================================*/

#include "cxFilterImpl.h"

#include "cxImage.h"
#include "cxSelectDataStringProperty.h"
#include "cxDoubleProperty.h"
#include "cxDoublePairProperty.h"
#include "cxStringProperty.h"
#include "cxPatientModelService.h"
#include "cxVisServices.h"

namespace cx
{

FilterImpl::FilterImpl(VisServicesPtr services) :
        mActive(false), mServices(services)
{
}

PatientModelServicePtr FilterImpl::patientService()
{
        return mServices->patient();
}

QString FilterImpl::getUid() const
{
        if (mUid.isEmpty())
                return this->getType();
        return mUid;
}

void FilterImpl::initialize(QDomElement root, QString uid)
{
        if (!uid.isEmpty())
                mUid = uid;

        mOptions = root;
}

std::vector<PropertyPtr> FilterImpl::getOptions()
{
        if (mOptionsAdapters.empty())
        {
                this->createOptions();
        }
        return mOptionsAdapters;
}

std::vector<SelectDataStringPropertyBasePtr> FilterImpl::getInputTypes()
{
        if (mInputTypes.empty())
        {
                this->createInputTypes();
        }

        return mInputTypes;
}

std::vector<SelectDataStringPropertyBasePtr> FilterImpl::getOutputTypes()
{
        if (mOutputTypes.empty())
        {
                this->createOutputTypes();
        }

        return mOutputTypes;
}

void FilterImpl::setActive(bool on)
{
        mActive = on;
}


bool FilterImpl::preProcess()
{
//      std::cout << "FilterImpl::preProcess " << mInputTypes.size() << std::endl;

        mCopiedInput.clear();
        for (unsigned i=0; i<mInputTypes.size(); ++i)
        {
                mCopiedInput.push_back(mInputTypes[i]->getData());
        }

        mCopiedOptions = mOptions.cloneNode(true).toElement();

        // clear output
        for (unsigned i=0; i<mOutputTypes.size(); ++i)
                mOutputTypes[i]->setValue("");

        return true;
}

ImagePtr FilterImpl::getCopiedInputImage(int index)
{
        if (mCopiedInput.size() < index+1)
                return ImagePtr();
        return boost::dynamic_pointer_cast<Image>(mCopiedInput[index]);
}

void FilterImpl::updateThresholdFromImageChange(QString uid, DoublePropertyPtr threshold)
{
        ImagePtr image = mServices->patient()->getData<Image>(uid);
        if(!image)
                return;
        threshold->setValueRange(DoubleRange(image->getMin(), image->getMax(), 1));
        int oldLower = threshold->getValue();
        // avoid reset if old value is still within range,
        // but reset anyway if old val is 0..1, this can indicate old image was binary.
        if ((image->getMin() > oldLower )||( oldLower > image->getMax() )||( oldLower<=1 ))
        {
                int initLower = ::ceil(double(image->getMin()) + double(image->getRange())/10); // round up
                threshold->setValue(initLower);
        }
//      std::cout << "FilterImpl::imageChangedSlot " << image->getMin() << " "  << image->getMax() << std::endl;
//      std::cout << "            imageChangedSlot() " << threshold->getValue() << std::endl;
}

void FilterImpl::updateThresholdPairFromImageChange(QString uid, DoublePairPropertyPtr threshold)
{
        ImagePtr image = mServices->patient()->getData<Image>(uid);
        if(!image)
                return;
        threshold->setValueRange(DoubleRange(image->getMin(), image->getMax(), 1));

        int initLower = ::ceil(double(image->getMin()) + double(image->getRange())/10); // round up
        int initUpper = image->getMax();
        threshold->setValue(Eigen::Vector2d(initLower, initUpper));
}


} // namespace cx