itkNeighborhoodOperatorImageFilter.h

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

  Program:   Insight Segmentation & Registration Toolkit
  Module:    $RCSfile: itkNeighborhoodOperatorImageFilter.h,v $
  Language:  C++
  Date:      $Date: 2002/09/30 15:24:40 $
  Version:   $Revision: 1.25 $

  Copyright (c) 2002 Insight 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 __itkNeighborhoodOperatorImageFilter_h
#define __itkNeighborhoodOperatorImageFilter_h

#include "itkImageToImageFilter.h"
#include "itkNeighborhoodOperator.h"
#include "itkImage.h"
#include "itkImageBoundaryCondition.h"

namespace itk
{
template <class TInputImage, class TOutputImage>
class ITK_EXPORT NeighborhoodOperatorImageFilter :
    public ImageToImageFilter< TInputImage, TOutputImage > 
{
public:
  typedef NeighborhoodOperatorImageFilter Self;
  typedef ImageToImageFilter< TInputImage, TOutputImage > Superclass;
  typedef       SmartPointer<Self> Pointer;
  typedef SmartPointer<const Self> ConstPointer;

  itkNewMacro(Self);

  itkTypeMacro(NeighborhoodOperatorImageFilter, ImageToImageFilter);
  
  typedef typename TOutputImage::PixelType         OutputPixelType;
  typedef typename TOutputImage::InternalPixelType OutputInternalPixelType;
  typedef typename  TInputImage::PixelType         InputPixelType;
  typedef typename  TInputImage::InternalPixelType InputInternalPixelType;

  itkStaticConstMacro(ImageDimension, unsigned int,
                      TOutputImage::ImageDimension);
  
  typedef TInputImage  InputImageType;
  typedef TOutputImage OutputImageType;
  typedef typename InputImageType::Pointer InputImagePointer;
  
  typedef ImageBoundaryCondition<OutputImageType> *
   ImageBoundaryConditionPointerType;

  typedef typename Superclass::OutputImageRegionType OutputImageRegionType;

  typedef Neighborhood<OutputPixelType, itkGetStaticConstMacro(ImageDimension)> OutputNeighborhoodType;
  typedef Neighborhood<InputPixelType, itkGetStaticConstMacro(ImageDimension)> InputNeighborhoodType;
  
  void SetOperator(const OutputNeighborhoodType &p)
    {
    m_Operator = p;
    this->Modified();
    }

  void OverrideBoundaryCondition(const ImageBoundaryConditionPointerType i)
    { m_BoundsCondition = i; }

  virtual void GenerateInputRequestedRegion() throw (InvalidRequestedRegionError);

protected:
  NeighborhoodOperatorImageFilter() {}
  virtual ~NeighborhoodOperatorImageFilter() {}
    
  void ThreadedGenerateData(const OutputImageRegionType& outputRegionForThread,
                            int threadId );

  
  void PrintSelf(std::ostream& os, Indent indent) const
    {  Superclass::PrintSelf(os, indent); }
private:
  NeighborhoodOperatorImageFilter(const Self&); //purposely not implemented
  void operator=(const Self&); //purposely not implemented

  InputNeighborhoodType m_Operator;

  ImageBoundaryConditionPointerType m_BoundsCondition;

};
  
} // end namespace itk

#ifndef ITK_MANUAL_INSTANTIATION
#include "itkNeighborhoodOperatorImageFilter.txx"
#endif

#endif

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