itkPadLabelMapFilter.txx

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

  Program:   Insight Segmentation & Registration Toolkit
  Module:    $RCSfile: itkPadLabelMapFilter.txx,v $
  Language:  C++
  Date:      $Date: 2009-07-23 22:27:53 $
  Version:   $Revision: 1.1 $

  Copyright (c) Insight Software Consortium. All rights reserved.
  See ITKCopyright.txt or http://www.itk.org/HTML/Copyright.htm for details.

  Portions of this code are covered under the VTK copyright.
  See VTKCopyright.txt or http://www.kitware.com/VTKCopyright.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 __itkPadLabelMapFilter_txx
#define __itkPadLabelMapFilter_txx
#include "itkPadLabelMapFilter.h"

namespace itk
{

template <class TInputImage>
void 
PadLabelMapFilter<TInputImage>
::GenerateOutputInformation()
{
  const TInputImage * inputPtr = this->GetInput();
  if( !inputPtr )
    {
    return;
    }
  
  // Compute the new region size.
  RegionType     croppedRegion;
  SizeType       size;
  IndexType      index;

  SizeType inputSize = inputPtr->GetLargestPossibleRegion().GetSize();
  IndexType inputIndex = inputPtr->GetLargestPossibleRegion().GetIndex();

  SizeType originalPadSize = m_UpperBoundaryPadSize + m_LowerBoundaryPadSize; 

  index = inputIndex - m_LowerBoundaryPadSize; 
  size = inputSize + ( originalPadSize );

  croppedRegion.SetSize(size);
  croppedRegion.SetIndex(index);
  
  // Set extraction region in the superclass.
  this->SetRegion(croppedRegion);

  Superclass::GenerateOutputInformation();
}


template <class TInputImage>
void 
PadLabelMapFilter<TInputImage>
::PrintSelf(std::ostream& os, Indent indent) const
{
  Superclass::PrintSelf(os,indent);

  os << indent << "UpperBoundaryPadSize: " << m_UpperBoundaryPadSize << std::endl;
  os << indent << "LowerBoundaryPadSize: " << m_LowerBoundaryPadSize << std::endl;
}

} // end namespace itk

#endif