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/*=========================================================================
Program: Insight Segmentation & Registration Toolkit
Module: itkReflectImageFilter.txx
Language: C++
Date: $Date$
Version: $Revision$
Copyright (c) Insight Software Consortium. All rights reserved.
See ITKCopyright.txt or http://www.itk.org/HTML/Copyright.htm for details.
This software is distributed WITHOUT ANY WARRANTY; without even
the implied warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR
PURPOSE. See the above copyright notices for more information.
=========================================================================*/
#ifndef __itkReflectImageFilter_txx
#define __itkReflectImageFilter_txx
#include "itkReflectImageFilter.h"
#include "itkImageLinearIteratorWithIndex.h"
#include "itkImageLinearConstIteratorWithIndex.h"
#include "itkProgressReporter.h"
namespace itk
{
/**
* Constructor
*/
template <class TInputImage, class TOutputImage >
ReflectImageFilter<TInputImage,TOutputImage >
::ReflectImageFilter()
{
this->SetNumberOfRequiredInputs( 1 );
m_Direction = 0;
}
/**
* GenerateData Performs the reflection
*/
template <class TInputImage, class TOutputImage >
void
ReflectImageFilter<TInputImage,TOutputImage>
::GenerateData( void )
{
typename Superclass::InputImageConstPointer inputPtr = this->GetInput();
typename Superclass::OutputImagePointer outputPtr = this->GetOutput(0);
outputPtr->SetRequestedRegion( inputPtr->GetRequestedRegion() );
outputPtr->SetBufferedRegion( inputPtr->GetBufferedRegion() );
outputPtr->SetLargestPossibleRegion( inputPtr->GetLargestPossibleRegion() );
outputPtr->Allocate();
typedef ImageLinearConstIteratorWithIndex<TInputImage> InputIterator;
typedef ImageLinearIteratorWithIndex<TOutputImage> OutputIterator;
InputIterator inputIt( inputPtr, inputPtr->GetRequestedRegion() );
OutputIterator outputIt( outputPtr, outputPtr->GetRequestedRegion() );
// support progress methods/callbacks
ProgressReporter progress(this, 0, inputPtr->GetRequestedRegion().GetNumberOfPixels() );
inputIt.SetDirection( m_Direction );
outputIt.SetDirection( m_Direction );
inputIt.GoToBegin();
outputIt.GoToBegin();
while( !inputIt.IsAtEnd() )
{
outputIt.GoToEndOfLine();
--outputIt;
while( !inputIt.IsAtEndOfLine() )
{
outputIt.Set( inputIt.Get() );
++inputIt;
--outputIt;
progress.CompletedPixel();
}
inputIt.NextLine();
outputIt.GoToEndOfLine(); // NextLine() assumes that the
outputIt.NextLine(); // iterator is at the end of line.
}
}
template <class TInputImage, class TOutputImage >
void
ReflectImageFilter<TInputImage,TOutputImage>::
PrintSelf(std::ostream& os, Indent indent) const
{
Superclass::PrintSelf(os,indent);
os << indent << "Direction: " << m_Direction << std::endl;
}
} // end namespace itk
#endif
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