itkMorphologyImageFilter.h

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

  Program:   Insight Segmentation & Registration Toolkit
  Module:    $RCSfile: itkMorphologyImageFilter.h,v $
  Language:  C++
  Date:      $Date: 2002/12/17 17:50:35 $
  Version:   $Revision: 1.13 $

  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 __itkMorphologyImageFilter_h
#define __itkMorphologyImageFilter_h

#include "itkImageToImageFilter.h"
#include "itkNeighborhoodIterator.h"
#include "itkConstNeighborhoodIterator.h"
#include "itkNeighborhood.h"
#include "itkConstSliceIterator.h"
#include "itkImageBoundaryCondition.h"
#include "itkImageRegionIterator.h"

namespace itk {

template<class TInputImage, class TOutputImage, class TKernel>
class ITK_EXPORT MorphologyImageFilter : 
  public ImageToImageFilter<TInputImage, TOutputImage>
{
public:
  typedef MorphologyImageFilter Self;
  typedef ImageToImageFilter<TInputImage,TOutputImage>  Superclass;
  typedef SmartPointer<Self>        Pointer;
  typedef SmartPointer<const Self>  ConstPointer;
  
  itkTypeMacro(MorphologyImageFilter, ImageToImageFilter);
  
  typedef TInputImage InputImageType;
  typedef TOutputImage OutputImageType;
  typedef typename TInputImage::RegionType RegionType ;
  typedef typename TInputImage::SizeType SizeType ;
  typedef typename TInputImage::IndexType IndexType ;
  typedef typename TInputImage::PixelType PixelType ;
  typedef typename Superclass::OutputImageRegionType OutputImageRegionType;
  
  itkStaticConstMacro(ImageDimension, unsigned int,
                      TInputImage::ImageDimension);

  typedef ConstNeighborhoodIterator<TInputImage> 
    NeighborhoodIteratorType ;

  typedef TKernel KernelType;
  
  typedef typename KernelType::ConstIterator KernelIteratorType ;
  
  typedef typename KernelType::SizeType RadiusType ;

  itkSetMacro(Kernel, KernelType);

  itkGetConstReferenceMacro(Kernel, KernelType);
  
  void GenerateInputRequestedRegion() ;

protected:
  MorphologyImageFilter();
  ~MorphologyImageFilter() {};
  void PrintSelf(std::ostream& os, Indent indent) const;

  void  ThreadedGenerateData (const OutputImageRegionType& 
                              outputRegionForThread,
                              int threadId) ;

  virtual PixelType Evaluate(const NeighborhoodIteratorType &nit,
                             const KernelType &kernel)=0;

private:
  MorphologyImageFilter(const Self&); //purposely not implemented
  void operator=(const Self&); //purposely not implemented

  KernelType m_Kernel ;

} ; // end of class

} // end namespace itk
  
#ifndef ITK_MANUAL_INSTANTIATION
#include "itkMorphologyImageFilter.txx"
#endif

#endif

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