itkHardConnectedComponentImageFilter.h

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

  Program:   Insight Segmentation & Registration Toolkit
  Module:    $RCSfile: itkHardConnectedComponentImageFilter.h,v $
  Language:  C++
  Date:      $Date: 2002/09/11 19:39:01 $
  Version:   $Revision: 1.3 $

  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 __itkHardConnectedComponentImageFilter_h
#define __itkHardConnectedComponentImageFilter_h

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

namespace itk
{
template <class TInputImage, class TOutputImage>
class ITK_EXPORT HardConnectedComponentImageFilter : 
           public ImageToImageFilter< TInputImage, TOutputImage > 
{
public:
  typedef HardConnectedComponentImageFilter Self;
  typedef ImageToImageFilter< TInputImage, TOutputImage > Superclass;

  typedef typename TOutputImage::PixelType OutputPixelType;
  typedef typename TOutputImage::InternalPixelType OutputInternalPixelType;
  typedef typename TInputImage::PixelType InputPixelType;
  typedef typename TInputImage::InternalPixelType InputInternalPixelType;
  itkStaticConstMacro(ImageDimension, unsigned int,
                      TOutputImage::ImageDimension);
  
  typedef TInputImage  InputImageType;
  typedef TOutputImage OutputImageType;
  typedef   typename TInputImage::IndexType       IndexType;
  typedef   typename TInputImage::SizeType        SizeType;
  typedef   typename TOutputImage::RegionType     RegionType;
  typedef   std::list<IndexType>                  ListType;
  typedef SmartPointer<Self> Pointer;
  typedef SmartPointer<const Self>  ConstPointer;
  
  itkTypeMacro(HardConnectedComponentImageFilter, ImageToImageFilter);
  
  itkNewMacro(Self);

  void SetObjectSeed( const IndexType &seed)
  {m_Seeds.push_front(seed);} 

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

  void GenerateData();
  void PrintSelf(std::ostream& os, Indent indent) const
    { Superclass::PrintSelf(os,indent); }

  
private:
    ListType    m_Seeds;
};
  
} // end namespace itk

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

#endif

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