itkBinaryMedianImageFilter.h

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

  Program:   Insight Segmentation & Registration Toolkit
  Module:    $RCSfile: itkBinaryMedianImageFilter.h,v $
  Language:  C++
  Date:      $Date: 2002/09/11 19:39:01 $
  Version:   $Revision: 1.2 $

  Copyright (c) 2002 Insight 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 __itkBinaryMedianImageFilter_h
#define __itkBinaryMedianImageFilter_h

#include "itkImageToImageFilter.h"
#include "itkImage.h"

namespace itk
{
template <class TInputImage, class TOutputImage>
class ITK_EXPORT BinaryMedianImageFilter :
    public ImageToImageFilter< TInputImage, TOutputImage >
{
public:
  itkStaticConstMacro(InputImageDimension, unsigned int,
                      TInputImage::ImageDimension);
  itkStaticConstMacro(OutputImageDimension, unsigned int,
                      TOutputImage::ImageDimension);

  typedef TInputImage InputImageType;
  typedef TOutputImage OutputImageType;

  typedef BinaryMedianImageFilter Self;
  typedef ImageToImageFilter< InputImageType, OutputImageType> Superclass;
  typedef SmartPointer<Self> Pointer;
  typedef SmartPointer<const Self>  ConstPointer;

  itkNewMacro(Self);

  itkTypeMacro(BinaryMedianImageFilter, ImageToImageFilter);
  
  typedef typename InputImageType::PixelType InputPixelType;
  typedef typename OutputImageType::PixelType OutputPixelType;

  typedef typename InputImageType::RegionType InputImageRegionType;
  typedef typename OutputImageType::RegionType OutputImageRegionType;

  typedef typename InputImageType::SizeType InputSizeType;

  itkSetMacro(Radius, InputSizeType);

  itkGetConstReferenceMacro(Radius, InputSizeType);
  
  itkSetMacro(BackgroundValue, InputPixelType);
  itkSetMacro(ForegroundValue, InputPixelType);

  itkGetConstReferenceMacro(BackgroundValue, InputPixelType);
  itkGetConstReferenceMacro(ForegroundValue, InputPixelType);
 

  virtual void GenerateInputRequestedRegion() throw(InvalidRequestedRegionError);

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

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

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

  InputSizeType m_Radius;

  InputPixelType     m_ForegroundValue;
  InputPixelType     m_BackgroundValue;

};
  
} // end namespace itk

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

#endif

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