itkConnectedComponentFunctorImageFilter.h

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

  Program:   Insight Segmentation & Registration Toolkit
  Module:    $RCSfile: itkConnectedComponentFunctorImageFilter.h,v $
  Language:  C++
  Date:      $Date: 2006/03/24 16:03:17 $
  Version:   $Revision: 1.4 $

  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 __itkConnectedComponentFunctorImageFilter_h
#define __itkConnectedComponentFunctorImageFilter_h

#include "itkConnectedComponentImageFilter.h"
#include "itkImage.h"

namespace itk
{

template <class TInputImage, class TOutputImage, class TFunctor, class TMaskImage=TInputImage>
class ITK_EXPORT ConnectedComponentFunctorImageFilter : 
    public ConnectedComponentImageFilter< TInputImage, TOutputImage, TMaskImage > 
{
public:
  typedef ConnectedComponentFunctorImageFilter Self;
  typedef ConnectedComponentImageFilter< TInputImage, TOutputImage, TMaskImage > Superclass;

  typedef typename Superclass::InputImagePointer InputImagePointer;

  typedef typename TOutputImage::PixelType OutputPixelType;
  typedef typename TOutputImage::InternalPixelType OutputInternalPixelType;
  typedef typename TInputImage::PixelType InputPixelType;
  typedef typename TInputImage::InternalPixelType InputInternalPixelType;
  typedef typename TMaskImage::PixelType MaskPixelType;
  itkStaticConstMacro(ImageDimension, unsigned int,
                      TOutputImage::ImageDimension);
  itkStaticConstMacro(InputImageDimension, unsigned int,
                      TInputImage::ImageDimension);

  typedef TFunctor    FunctorType;
  typedef TInputImage  InputImageType;
  typedef TMaskImage   MaskImageType;
  typedef TOutputImage OutputImageType;
  typedef   typename TInputImage::IndexType       IndexType;
  typedef   typename TInputImage::SizeType        SizeType;
  typedef   typename TOutputImage::RegionType     RegionType;
  typedef   std::list<IndexType>                  ListType;

  typedef typename MaskImageType::Pointer MaskImagePointer;

  typedef SmartPointer<Self> Pointer;
  typedef SmartPointer<const Self>  ConstPointer;

  itkTypeMacro(ConnectedComponentFunctorImageFilter, ImageToImageFilter);

  itkNewMacro(Self);

  FunctorType& GetFunctor() { return m_Functor; };
  const FunctorType& GetFunctor() const { return m_Functor; };

  void SetFunctor(const FunctorType& functor)
  {
    m_Functor = functor;
    this->Modified();
  }

#ifdef ITK_USE_CONCEPT_CHECKING

  itkConceptMacro(SameDimensionCheck,
    (Concept::SameDimension<InputImageDimension, ImageDimension>));
  itkConceptMacro(InputEqualityComparableCheck,
    (Concept::EqualityComparable<InputPixelType>));
  itkConceptMacro(OutputEqualityComparableCheck,
    (Concept::EqualityComparable<OutputPixelType>));
  itkConceptMacro(OutputConvertibleToUnsignedIntCheck,
    (Concept::Convertible<OutputPixelType, unsigned int>));
  itkConceptMacro(OutputConvertibleToUnsignedLongCheck,
    (Concept::Convertible<OutputPixelType, unsigned long>));
  itkConceptMacro(OutputConvertibleToLongCheck,
    (Concept::Convertible<OutputPixelType, long>));
  itkConceptMacro(UnsignedLongConvertibleToOutputCheck,
    (Concept::Convertible<unsigned long, OutputPixelType>));
  itkConceptMacro(OutputIncrementDecrementOperatorsCheck,
    (Concept::IncrementDecrementOperators<OutputPixelType>));

#endif

protected:
  ConnectedComponentFunctorImageFilter() {}
  virtual ~ConnectedComponentFunctorImageFilter() {}
  ConnectedComponentFunctorImageFilter(const Self&) {}

  FunctorType m_Functor;

  void GenerateData();

};
  
} // end namespace itk

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

#endif

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