itkIsoContourDistanceImageFilter.h

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

  Program:   Insight Segmentation & Registration Toolkit
  Module:    $RCSfile: itkIsoContourDistanceImageFilter.h,v $
  Language:  C++
  Date:      $Date: 2003/09/10 14:28:33 $
  Version:   $Revision: 1.5 $

  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 _itkIsoContourDistanceImageFilter_h
#define _itkIsoContourDistanceImageFilter_h

#include "itkImageToImageFilter.h"
#include "itkNarrowBand.h"
#include "itkBarrier.h"

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

  itkNewMacro(Self);

  itkTypeMacro(IsoContourDistanceImageFilter, ImageToImageFilter);
  
  typedef typename Superclass::InputImageType  InputImageType;
  typedef typename Superclass::OutputImageType OutputImageType;
  
  itkStaticConstMacro(ImageDimension, unsigned int, TInputImage::ImageDimension);
  
  typedef typename OutputImageType::PixelType PixelType;
  typedef typename InputImageType::PixelType InputPixelType;
  typedef typename OutputImageType::RegionType OutputImageRegionType;
  typedef typename InputImageType::SizeType  InputSizeType;
  typedef typename OutputImageType::SizeType SizeType;
  typedef typename InputImageType::IndexType InputIndexType;
  typedef typename OutputImageType::IndexType IndexType;

  typedef BandNode<IndexType,PixelType> BandNodeType;
  typedef NarrowBand<BandNodeType> NarrowBandType;
  typedef typename NarrowBandType::Pointer NarrowBandPointer;
  typedef typename NarrowBandType::RegionType RegionType;
  typedef typename NarrowBandType::ConstIterator ConstBandIterator;
  typedef typename NarrowBandType::Iterator BandIterator;


  itkSetMacro( LevelSetValue, InputPixelType );
  itkGetMacro( LevelSetValue, InputPixelType );
  
  itkSetMacro( FarValue, PixelType );
  itkGetMacro( FarValue, PixelType );


  itkSetMacro( NarrowBanding, bool );
  itkGetMacro( NarrowBanding, bool );
  itkBooleanMacro( NarrowBanding );


  void SetNarrowBand( NarrowBandType * ptr );
  NarrowBandPointer GetNarrowBand() const
  { return m_NarrowBand; }

 
protected:
  IsoContourDistanceImageFilter();
  ~IsoContourDistanceImageFilter(){};
  void PrintSelf(std::ostream& os, Indent indent) const;
  
  void ThreadedGenerateData(const OutputImageRegionType& outputRegionForThread,
                            int threadId );
  void ThreadedGenerateDataFull(const OutputImageRegionType& outputRegionForThread,
                            int threadId );
  void ThreadedGenerateDataBand(const OutputImageRegionType& outputRegionForThread,
                            int threadId );
  void BeforeThreadedGenerateData();

  virtual void GenerateInputRequestedRegion();
  virtual void EnlargeOutputRequestedRegion( DataObject * );

private:
  IsoContourDistanceImageFilter(const Self&); //purposely not implemented
  void operator=(const Self&); //purposely not implemented
  
  InputPixelType            m_LevelSetValue;
  PixelType                 m_FarValue;
  
  bool                      m_NarrowBanding;
  NarrowBandPointer         m_NarrowBand;
  std::vector<RegionType>   m_NarrowBandRegion;
  
  typename Barrier::Pointer m_Barrier;
};

} // namespace itk

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

#endif

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