itkConnectedComponentFunctorImageFilter.h

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/*=========================================================================
 *
 *  Copyright Insight Software Consortium
 *
 *  Licensed under the Apache License, Version 2.0 (the "License");
 *  you may not use this file except in compliance with the License.
 *  You may obtain a copy of the License at
 *
 *         http://www.apache.org/licenses/LICENSE-2.0.txt
 *
 *  Unless required by applicable law or agreed to in writing, software
 *  distributed under the License is distributed on an "AS IS" BASIS,
 *  WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 *  See the License for the specific language governing permissions and
 *  limitations under the License.
 *
 *=========================================================================*/
#ifndef __itkConnectedComponentFunctorImageFilter_h
#define __itkConnectedComponentFunctorImageFilter_h

#include "itkConnectedComponentImageFilter.h"

namespace itk
{
template< typename TInputImage, typename TOutputImage, typename TFunctor, typename TMaskImage = TInputImage >
class 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
  // Begin 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 > ) );
  // End concept checking
#endif

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

  FunctorType m_Functor;

  void GenerateData();
};
} // end namespace itk

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

#endif