itkGrayscaleMorphologicalOpeningImageFilter.h

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

  Program:   Insight Segmentation & Registration Toolkit
  Module:    $RCSfile: itkGrayscaleMorphologicalOpeningImageFilter.h,v $
  Language:  C++

  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 __itkGrayscaleMorphologicalOpeningImageFilter_h
#define __itkGrayscaleMorphologicalOpeningImageFilter_h

#include "itkImageToImageFilter.h"

namespace itk {

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

  itkNewMacro(Self);  

  itkTypeMacro(GrayscaleMorphologicalOpeningImageFilter, 
               ImageToImageFilter);

  typedef TInputImage InputImageType;
  typedef TOutputImage OutputImageType;
  typedef typename InputImageType::Pointer         InputImagePointer;
  typedef typename OutputImageType::RegionType     OutputImageRegionType;

  typedef typename TInputImage::PixelType PixelType ;

  typedef TKernel KernelType;

  itkSetMacro(Kernel, KernelType);

  itkGetConstReferenceMacro(Kernel, KernelType);

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

#ifdef ITK_USE_CONCEPT_CHECKING

  itkConceptMacro(SameTypeCheck,
    (Concept::SameType<PixelType, typename TOutputImage::PixelType>));
  itkConceptMacro(SameDimensionCheck1,
    (Concept::SameDimension<InputImageDimension, OutputImageDimension>));
  itkConceptMacro(SameDimensionCheck2,
    (Concept::SameDimension<InputImageDimension, KernelDimension>));
  itkConceptMacro(InputLessThanComparableCheck,
    (Concept::LessThanComparable<PixelType>));
  itkConceptMacro(InputGreaterThanComparableCheck,
    (Concept::GreaterThanComparable<PixelType>));
  itkConceptMacro(KernelGreaterThanIntCheck,
    (Concept::GreaterThanComparable<typename TKernel::PixelType, int>));

#endif

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

  void GenerateInputRequestedRegion() ;

  void EnlargeOutputRequestedRegion(DataObject *itkNotUsed(output));

  void  GenerateData ();

private:
  GrayscaleMorphologicalOpeningImageFilter(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 "itkGrayscaleMorphologicalOpeningImageFilter.txx"
#endif

#endif

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