itkBinaryPruningImageFilter.h

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

  Program:   Insight Segmentation & Registration Toolkit
  Module:    $RCSfile: itkBinaryPruningImageFilter.h,v $
  Language:  C++
  Date:      $Date: 2009-04-23 03:53:34 $
  Version:   $Revision: 1.8 $

  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 __itkBinaryPruningImageFilter_h
#define __itkBinaryPruningImageFilter_h

#include <itkImageToImageFilter.h>
#include <itkImageRegionIteratorWithIndex.h>
#include <itkNeighborhoodIterator.h>

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

  itkNewMacro(Self);

  itkTypeMacro( BinaryPruningImageFilter, ImageToImageFilter );

  typedef   TInputImage       InputImageType;

  typedef   TOutputImage      OutputImageType;

  typedef typename InputImageType::RegionType   RegionType;

  typedef typename RegionType::IndexType  IndexType;

  typedef typename InputImageType::PixelType PixelType;

  typedef typename RegionType::SizeType   SizeType;

  typedef typename InputImageType::ConstPointer InputImagePointer;

  typedef typename OutputImageType::Pointer OutputImagePointer;

  typedef NeighborhoodIterator<TInputImage> NeighborhoodIteratorType;

  OutputImageType * GetPruning(void);

  itkSetMacro(Iteration, unsigned int);
  itkGetConstMacro(Iteration, unsigned int);

  itkStaticConstMacro(InputImageDimension, unsigned int,
                      TInputImage::ImageDimension );
  itkStaticConstMacro(OutputImageDimension, unsigned int,
                      TOutputImage::ImageDimension );

#ifdef ITK_USE_CONCEPT_CHECKING

  itkConceptMacro(SameDimensionCheck,
    (Concept::SameDimension<InputImageDimension, OutputImageDimension>));
  itkConceptMacro(SameTypeCheck,
    (Concept::SameType<PixelType, typename TOutputImage::PixelType>));
  itkConceptMacro(AdditiveOperatorsCheck,
    (Concept::AdditiveOperators<PixelType>));
  itkConceptMacro(IntConvertibleToPixelTypeCheck,
    (Concept::Convertible<int, PixelType>));
  itkConceptMacro(PixelLessThanIntCheck,
    (Concept::LessThanComparable<PixelType, int>));

#endif

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

  void GenerateData();

  void PrepareData();

  void ComputePruneImage();


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

  unsigned int                  m_Iteration;

}; // end of BinaryThinningImageFilter class

} //end namespace itk

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

#endif