QmitkScaleTransformView.cpp

Go to the documentation of this file.

/*===================================================================

The Medical Imaging Interaction Toolkit (MITK)

Copyright (c) German Cancer Research Center,
Division of Medical and Biological Informatics.
All rights reserved.

This software is distributed WITHOUT ANY WARRANTY; without
even the implied warranty of MERCHANTABILITY or FITNESS FOR
A PARTICULAR PURPOSE.

See LICENSE.txt or http://www.mitk.org for details.

===================================================================*/

#include "QmitkScaleTransformView.h"
#include "mitkImageAccessByItk.h"
#include <QValidator>
#include <itkScaleTransform.h>

QmitkScaleTransformView::QmitkScaleTransformView(QWidget *parent, Qt::WindowFlags f)
  : QmitkRigidRegistrationTransformsGUIBase(parent, f)
{
}

QmitkScaleTransformView::~QmitkScaleTransformView()
{
}

mitk::TransformParameters::TransformType QmitkScaleTransformView::GetTransformType()
{
  return mitk::TransformParameters::SCALETRANSFORM;
}

itk::Object::Pointer QmitkScaleTransformView::GetTransform()
{
  if (m_FixedImage.IsNotNull())
  {
    AccessByItk(m_FixedImage, GetTransform2);
    return m_TransformObject;
  }
  return nullptr;
}

template <class TPixelType, unsigned int VImageDimension>
itk::Object::Pointer QmitkScaleTransformView::GetTransform2(itk::Image<TPixelType, VImageDimension> * /*itkImage1*/)
{
  typedef typename itk::Image<TPixelType, VImageDimension> FixedImageType;
  typedef typename itk::Image<TPixelType, VImageDimension> MovingImageType;
  typename itk::ScaleTransform<double, VImageDimension>::Pointer transformPointer =
    itk::ScaleTransform<double, VImageDimension>::New();
  transformPointer->SetIdentity();
  m_TransformObject = transformPointer.GetPointer();
  return transformPointer.GetPointer();
}

itk::Array<double> QmitkScaleTransformView::GetTransformParameters()
{
  itk::Array<double> transformValues;
  transformValues.SetSize(4);
  transformValues.fill(0);
  transformValues[0] = m_Controls.m_UseOptimizerScalesScale->isChecked();
  transformValues[1] = m_Controls.m_ScalesScaleTransformScaleX->text().toDouble();
  transformValues[2] = m_Controls.m_ScalesScaleTransformScaleY->text().toDouble();
  transformValues[3] = m_Controls.m_ScalesScaleTransformScaleZ->text().toDouble();
  return transformValues;
}

void QmitkScaleTransformView::SetTransformParameters(itk::Array<double> transformValues)
{
  m_Controls.m_UseOptimizerScalesScale->setChecked(transformValues[0]);
  m_Controls.m_ScalesScaleTransformScaleX->setText(QString::number(transformValues[1]));
  m_Controls.m_ScalesScaleTransformScaleY->setText(QString::number(transformValues[2]));
  m_Controls.m_ScalesScaleTransformScaleZ->setText(QString::number(transformValues[3]));
}

QString QmitkScaleTransformView::GetName()
{
  return "Scale";
}

void QmitkScaleTransformView::SetupUI(QWidget *parent)
{
  m_Controls.setupUi(parent);
  QValidator *validatorLineEditInputFloat = new QDoubleValidator(0, 20000000, 8, this);
  m_Controls.m_ScalesScaleTransformScaleX->setValidator(validatorLineEditInputFloat);
  m_Controls.m_ScalesScaleTransformScaleY->setValidator(validatorLineEditInputFloat);
  m_Controls.m_ScalesScaleTransformScaleZ->setValidator(validatorLineEditInputFloat);
}

itk::Array<double> QmitkScaleTransformView::GetScales()
{
  itk::Array<double> scales;
  scales.SetSize(3);
  scales.Fill(1.0);
  if (m_Controls.m_UseOptimizerScalesScale->isChecked())
  {
    scales[0] = m_Controls.m_ScalesScaleTransformScaleX->text().toDouble();
    scales[1] = m_Controls.m_ScalesScaleTransformScaleY->text().toDouble();
    scales[2] = m_Controls.m_ScalesScaleTransformScaleZ->text().toDouble();
  }
  return scales;
}

vtkTransform *QmitkScaleTransformView::Transform(vtkMatrix4x4 *vtkmatrix,
                                                 vtkTransform *vtktransform,
                                                 itk::Array<double> transformParams)
{
  if (m_MovingImage.IsNotNull())
  {
    for (unsigned int i = 0; i < transformParams.size(); i++)
    {
      vtkmatrix->SetElement(i, i, transformParams[i]);
    }
    vtktransform->SetMatrix(vtkmatrix);
  }
  return vtktransform;
}

int QmitkScaleTransformView::GetNumberOfTransformParameters()
{
  if (m_FixedImage.IsNotNull())
  {
    if (m_FixedImage->GetDimension() == 2)
    {
      m_Controls.m_ScalesScaleTransformScaleZ->hide();
      m_Controls.textLabel3_5->hide();
      return 2;
    }
    else
    {
      m_Controls.m_ScalesScaleTransformScaleZ->show();
      m_Controls.textLabel3_5->show();
      this->repaint();
      return 3;
    }
  }
  else
    return 0;
}