cxShadingWidget.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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   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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/*
 * cxShadingWidget.cpp
 *
 *  \date Aug 20, 2010
 *      \author christiana
 */
#include "cxShadingWidget.h"

#include <QVBoxLayout>
#include <QComboBox>
#include <QStringList>
#include "cxImageTF3D.h"
#include "cxShadingParamsInterfaces.h"
#include "cxImagePropertiesWidget.h"
#include "cxActiveData.h"

namespace cx
{

ImageRenderPropertiesWidget::ImageRenderPropertiesWidget(QWidget* parent) :
                BaseWidget(parent, "ImagePropertiesWidget", "Image Properties"),
                mImage(ImagePtr())
{
        mInterpolationType = new QComboBox(this);
        mInterpolationType->insertItem(0, "Nearest");
        mInterpolationType->insertItem(1, "Linear");
        mInterpolationType->insertItem(2, "Cubic");
        mInterpolationType->setToolTip("Change VTK interpolation type");

        connect(mInterpolationType, SIGNAL(currentIndexChanged(int)), this, SLOT(interpolationTypeChanged(int)));

        QLabel* interpolationTypeLabel = new QLabel("Volume interpolation type", this);

        QHBoxLayout* layout =  new QHBoxLayout(this);
        layout->addWidget(interpolationTypeLabel);
        layout->addWidget(mInterpolationType);
}

void ImageRenderPropertiesWidget::interpolationTypeChanged(int index)
{
        if (mImage)
                mImage->setInterpolationType(index);
}

void ImageRenderPropertiesWidget::imageChanged(ImagePtr image)
{
        mImage = image;
        if (mImage)
                mInterpolationType->setCurrentIndex(mImage->getInterpolationType());
}

//---------------------------------------------------------
//---------------------------------------------------------
//---------------------------------------------------------

ShadingWidget::ShadingWidget(ActiveDataPtr activeData, QWidget* parent,  bool connectToActiveImage) :
        BaseWidget(parent, "ShadingWidget", "Shading"),
        mLayout(new QVBoxLayout(this)),
        mActiveData(activeData),
        mActiveImageProxy(ActiveImageProxyPtr()),
        mImage(ImagePtr()),
        mImagePropertiesWidget(ImageRenderPropertiesWidgetPtr())
{
  this->init(connectToActiveImage);
}

ShadingWidget::~ShadingWidget()
{}

void ShadingWidget::init(bool connectToActiveImage)
{
  mShadingCheckBox = new QCheckBox("Shading", this);
  this->setToolTip("Volume shading properties");

  connect(mShadingCheckBox, &QCheckBox::toggled, this, &ShadingWidget::shadingToggledSlot);

  QGridLayout* shadingLayput = new QGridLayout();
        shadingLayput->addWidget(mShadingCheckBox, 0,0);
  SliderGroupWidget* shadingAmbientWidget = new SliderGroupWidget(this, DoublePropertyBasePtr(new DoublePropertyShadingAmbient(mActiveData)), shadingLayput, 1);
  SliderGroupWidget* shadingDiffuseWidget = new SliderGroupWidget(this, DoublePropertyBasePtr(new DoublePropertyShadingDiffuse(mActiveData)), shadingLayput, 2);
  SliderGroupWidget* shadingSpecularWidget = new SliderGroupWidget(this, DoublePropertyBasePtr(new DoublePropertyShadingSpecular(mActiveData)), shadingLayput, 3);
  SliderGroupWidget* shadingSpecularPowerWidget = new SliderGroupWidget(this, DoublePropertyBasePtr(new DoublePropertyShadingSpecularPower(mActiveData)), shadingLayput, 4);

  shadingAmbientWidget->setEnabled(false);
  shadingDiffuseWidget->setEnabled(false);
  shadingSpecularWidget->setEnabled(false);
  shadingSpecularPowerWidget->setEnabled(false);

        if (connectToActiveImage)
        {
                mActiveImageProxy = ActiveImageProxy::New(mActiveData);
                connect(mActiveImageProxy.get(), &ActiveImageProxy::activeImageChanged, this, &ShadingWidget::activeImageChangedSlot);
                connect(mActiveImageProxy.get(), &ActiveImageProxy::transferFunctionsChanged, this, &ShadingWidget::activeImageChangedSlot);
        }

        mImagePropertiesWidget.reset(new ImageRenderPropertiesWidget(NULL));
        shadingLayput->addWidget(mImagePropertiesWidget.get(), 5, 0, 1, 2);
        mLayout->addLayout(shadingLayput);
        mLayout->addStretch(1);
        this->activeImageChangedSlot();
}

void ShadingWidget::shadingToggledSlot(bool val)
{
        if (mImage)
                mImage->setShadingOn(val);
}

void ShadingWidget::activeImageChangedSlot()
{
        ImagePtr activeImage = mActiveData->getActive<Image>();
        this->imageChangedSlot(activeImage);
}

void ShadingWidget::imageChangedSlot(ImagePtr image)
{
        mImage = image;
        if (mImage)
        {
                mShadingCheckBox->setChecked(mImage->getShadingOn());
                mImagePropertiesWidget->imageChanged(image);
        }
}

}//namespace cx