itkConnectedComponentImageFilter.h

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

  Program:   Insight Segmentation & Registration Toolkit
  Module:    $RCSfile: itkConnectedComponentImageFilter.h,v $
  Language:  C++
  Date:      $Date: 2004/11/04 20:40:37 $
  Version:   $Revision: 1.7 $

  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 __itkConnectedComponentImageFilter_h
#define __itkConnectedComponentImageFilter_h

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

namespace itk
{

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

  typedef typename Superclass::InputImagePointer InputImagePointer;

  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(ConnectedComponentImageFilter, ImageToImageFilter);
  
  itkNewMacro(Self);

  itkSetMacro(FullyConnected, bool);
  itkGetConstReferenceMacro(FullyConnected, bool);
  itkBooleanMacro(FullyConnected);

protected:
  ConnectedComponentImageFilter() 
    {
    m_FullyConnected = false;
    }
  virtual ~ConnectedComponentImageFilter() {}
  ConnectedComponentImageFilter(const Self&) {}
  void PrintSelf(std::ostream& os, Indent indent) const;

  void GenerateData();

  void GenerateInputRequestedRegion();

  void EnlargeOutputRequestedRegion(DataObject *itkNotUsed(output));
  
private:

  bool m_FullyConnected;
  
};
  
} // end namespace itk

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

#endif

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