itkGrayscaleGeodesicErodeImageFilter.h

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

  Program:   Insight Segmentation & Registration Toolkit
  Module:    $RCSfile: itkGrayscaleGeodesicErodeImageFilter.h,v $
  Language:  C++
  Date:      $Date: 2009-04-25 12:27:26 $
  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 __itkGrayscaleGeodesicErodeImageFilter_h
#define __itkGrayscaleGeodesicErodeImageFilter_h

#include "itkImageToImageFilter.h"

namespace itk {

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

  typedef TInputImage                              MarkerImageType;
  typedef typename MarkerImageType::Pointer        MarkerImagePointer;
  typedef typename MarkerImageType::ConstPointer   MarkerImageConstPointer;
  typedef typename MarkerImageType::RegionType     MarkerImageRegionType;
  typedef typename MarkerImageType::PixelType      MarkerImagePixelType;
  typedef TInputImage                              MaskImageType;
  typedef typename MaskImageType::Pointer          MaskImagePointer;
  typedef typename MaskImageType::ConstPointer     MaskImageConstPointer;
  typedef typename MaskImageType::RegionType       MaskImageRegionType;
  typedef typename MaskImageType::PixelType        MaskImagePixelType;
  typedef TOutputImage                             OutputImageType;
  typedef typename OutputImageType::Pointer        OutputImagePointer;
  typedef typename OutputImageType::ConstPointer   OutputImageConstPointer;
  typedef typename OutputImageType::RegionType     OutputImageRegionType;
  typedef typename OutputImageType::PixelType      OutputImagePixelType;

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

  itkNewMacro(Self);  

  itkTypeMacro(GrayscaleGeodesicErodeImageFilter, 
               ImageToImageFilter);

  void SetMarkerImage(const MarkerImageType *);
  const MarkerImageType* GetMarkerImage();

  void SetMaskImage(const MaskImageType *);
  const MaskImageType* GetMaskImage();

  itkSetMacro(RunOneIteration, bool);
  itkGetConstMacro(RunOneIteration, bool);
  itkBooleanMacro(RunOneIteration);

  itkGetConstMacro(NumberOfIterationsUsed, unsigned long);

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

#ifdef ITK_USE_CONCEPT_CHECKING

  itkConceptMacro(SameDimensionCheck,
    (Concept::SameDimension<MarkerImageDimension, OutputImageDimension>));
  itkConceptMacro(InputComparableCheck,
    (Concept::Comparable<MarkerImagePixelType>));
  itkConceptMacro(InputConvertibleToOutputCheck,
    (Concept::Convertible<MarkerImagePixelType, OutputImagePixelType>));

#endif

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

  void GenerateInputRequestedRegion();

  void EnlargeOutputRequestedRegion(DataObject *itkNotUsed(output));

  void GenerateData();

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

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

  bool          m_RunOneIteration;
  unsigned long m_NumberOfIterationsUsed;
  bool          m_FullyConnected;

}; // end of class

} // end namespace itk
  
#ifndef ITK_MANUAL_INSTANTIATION
#include "itkGrayscaleGeodesicErodeImageFilter.txx"
#endif

#endif