itkWhiteTopHatImageFilter.h

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

  Program:   Insight Segmentation & Registration Toolkit
  Module:    $RCSfile: itkWhiteTopHatImageFilter.h,v $
  Language:  C++
  Date:      $Date: 2008-10-14 19:20:34 $
  Version:   $Revision: 1.6 $

  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 __itkWhiteTopHatImageFilter_h
#define __itkWhiteTopHatImageFilter_h

// First make sure that the configuration is available.
// This line can be removed once the optimized versions
// gets integrated into the main directories.
#include "itkConfigure.h"

#ifdef ITK_USE_CONSOLIDATED_MORPHOLOGY
#include "itkOptWhiteTopHatImageFilter.h"
#else


#include "itkImageToImageFilter.h"

namespace itk {

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

  typedef TInputImage                              InputImageType;
  typedef typename InputImageType::Pointer         InputImagePointer;
  typedef typename InputImageType::ConstPointer    InputImageConstPointer;
  typedef typename InputImageType::RegionType      InputImageRegionType;
  typedef typename InputImageType::PixelType       InputImagePixelType;

  typedef TOutputImage                             OutputImageType;
  typedef typename OutputImageType::Pointer        OutputImagePointer;
  typedef typename OutputImageType::ConstPointer   OutputImageConstPointer;
  typedef typename OutputImageType::RegionType     OutputImageRegionType;
  typedef typename OutputImageType::PixelType      OutputImagePixelType;
  
  typedef TKernel KernelType;

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

  itkNewMacro(Self);  

  itkTypeMacro(WhiteTopHatImageFilter,
               ImageToImageFilter);

  itkSetMacro(Kernel, KernelType);

  itkGetConstReferenceMacro(Kernel, KernelType);

#ifdef ITK_USE_CONCEPT_CHECKING

  itkConceptMacro(InputAdditiveOperatorsCheck,
    (Concept::AdditiveOperators<InputImagePixelType>));
  itkConceptMacro(InputConvertibleToOutputCheck,
    (Concept::Convertible<InputImagePixelType, OutputImagePixelType>));
  itkConceptMacro(InputGreaterThanComparableCheck,
    (Concept::GreaterThanComparable<InputImagePixelType>));
  itkConceptMacro(KernelGreaterThanIntCheck,
    (Concept::GreaterThanComparable<typename TKernel::PixelType, int>));

#endif

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

  void GenerateInputRequestedRegion();

  void EnlargeOutputRequestedRegion(DataObject *itkNotUsed(output));

  void GenerateData();
  

private:
  WhiteTopHatImageFilter(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 "itkWhiteTopHatImageFilter.txx"
#endif

#endif

#endif

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