itkVanHerkGilWermanErodeDilateImageFilter.h

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

  Program:   Insight Segmentation & Registration Toolkit
  Module:    $RCSfile: itkVanHerkGilWermanErodeDilateImageFilter.h,v $
  Language:  C++
  Date:      $Date: 2009-04-23 03:43:42 $
  Version:   $Revision: 1.3 $

  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 __itkVanHerkGilWermanErodeDilateImageFilter_h
#define __itkVanHerkGilWermanErodeDilateImageFilter_h

#include "itkImageToImageFilter.h"
#include "itkProgressReporter.h"
#include "itkBresenhamLine.h"

namespace itk {

template<class TImage, class TKernel, 
         class TFunction1>
class ITK_EXPORT VanHerkGilWermanErodeDilateImageFilter :
    public ImageToImageFilter<TImage, TImage>
{
public:

  typedef VanHerkGilWermanErodeDilateImageFilter   Self;
  typedef ImageToImageFilter<TImage, TImage>       Superclass;
  typedef SmartPointer<Self>                       Pointer;
  typedef SmartPointer<const Self>                 ConstPointer;

  typedef TKernel                                  KernelType;

  typedef TImage                                   InputImageType;
  typedef typename InputImageType::Pointer         InputImagePointer;
  typedef typename InputImageType::ConstPointer    InputImageConstPointer;
  typedef typename InputImageType::RegionType      InputImageRegionType;
  typedef typename InputImageType::PixelType       InputImagePixelType;
  typedef typename TImage::IndexType               IndexType;
  typedef typename TImage::SizeType                SizeType;

  itkStaticConstMacro(InputImageDimension, unsigned int,
                      TImage::ImageDimension);
  itkStaticConstMacro(OutputImageDimension, unsigned int,
                      TImage::ImageDimension);

  itkNewMacro(Self);

  itkTypeMacro(VanHerkGilWermanErodeDilateImageFilter,
               ImageToImageFilter);

  void SetKernel( const KernelType& kernel )
    {
    m_Kernel=kernel;
    m_KernelSet = true;
    }

  void SetBoundary( const InputImagePixelType value );
  itkGetConstMacro(Boundary, InputImagePixelType);


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

  void  ThreadedGenerateData (const InputImageRegionType& outputRegionForThread,
                              int threadId);

  void GenerateInputRequestedRegion();

  // should be set by the meta filter
  InputImagePixelType m_Boundary;

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

  TKernel m_Kernel;
  bool    m_KernelSet;
  typedef BresenhamLine<itkGetStaticConstMacro(InputImageDimension)> BresType;


}; // end of class


} // end namespace itk


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

#endif

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