itkOptBinaryMorphologyImageFilter.h

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

  Program:   Insight Segmentation & Registration Toolkit
  Module:    $RCSfile: itkOptBinaryMorphologyImageFilter.h,v $
  Language:  C++
  Date:      $Date: 2008-12-06 13:28:10 $
  Version:   $Revision: 1.2 $

  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 __itkOptBinaryMorphologyImageFilter_h
#define __itkOptBinaryMorphologyImageFilter_h

#include <vector>
#include <queue>
#include "itkKernelImageFilter.h"
#include "itkImage.h"
#include "itkNumericTraits.h"
#include "itkNeighborhoodIterator.h"
#include "itkConstNeighborhoodIterator.h"
#include "itkNeighborhood.h"
#include "itkImageBoundaryCondition.h"
#include "itkImageRegionIterator.h"
#include "itkConceptChecking.h"

namespace itk
{
template <class TInputImage, class TOutputImage, class TKernel>
class ITK_EXPORT BinaryMorphologyImageFilter :
    public KernelImageFilter< TInputImage, TOutputImage, TKernel >
{
public:

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

  itkStaticConstMacro(KernelDimension, unsigned int,
                      TKernel::NeighborhoodDimension);

  typedef TInputImage  InputImageType;
  typedef TOutputImage OutputImageType;

  typedef BinaryMorphologyImageFilter                          Self;
  typedef KernelImageFilter< InputImageType, OutputImageType, TKernel>
                                                               Superclass;
  typedef SmartPointer<Self>                                   Pointer;
  typedef SmartPointer<const Self>                             ConstPointer;

  itkNewMacro(Self);

  itkTypeMacro(BinaryMorphologyImageFilter, ImageToImageFilter);

  typedef TKernel KernelType;

  typedef typename KernelType::ConstIterator KernelIteratorType;

  typedef typename InputImageType::PixelType               InputPixelType;
  typedef typename OutputImageType::PixelType              OutputPixelType;
  typedef typename NumericTraits<InputPixelType>::RealType InputRealType;
  typedef typename InputImageType::OffsetType              OffsetType;
  typedef typename InputImageType::IndexType               IndexType;

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

  itkConceptMacro(ImageDimensionCheck,
      (Concept::SameDimension<itkGetStaticConstMacro(InputImageDimension),
                              itkGetStaticConstMacro(OutputImageDimension)>));

// Cannot get this to work with gcc compiler
#if 0

  itkConceptMacro(KernelDimensionCheck,
      (Concept::SameDimension<itkGetStaticConstMacro(KernelDimension),
                              itkGetStaticConstMacro(InputImageDimension)>));
#endif

  itkSetMacro(ForegroundValue, InputPixelType);

  itkGetConstMacro(ForegroundValue, InputPixelType);

  itkSetMacro(BackgroundValue, OutputPixelType);

  itkGetConstMacro(BackgroundValue, OutputPixelType);

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

  void SetKernel( const KernelType& kernel );

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

  void AnalyzeKernel();

  typedef std::vector< OffsetType > NeighborIndexContainer;

  typedef std::vector<NeighborIndexContainer> NeighborIndexContainerContainer;

  typedef std::vector< OffsetType > ComponentVectorType;

  typedef typename ComponentVectorType::const_iterator
    ComponentVectorConstIterator;

  NeighborIndexContainer& GetDifferenceSet(unsigned int code)
    { return m_KernelDifferenceSets[code]; }

  ComponentVectorConstIterator KernelCCVectorBegin()
    { return m_KernelCCVector.begin(); }

  ComponentVectorConstIterator KernelCCVectorEnd()
    { return m_KernelCCVector.end(); }

  bool m_BoundaryToForeground;

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

  InputPixelType m_ForegroundValue;

  OutputPixelType m_BackgroundValue;

  NeighborIndexContainerContainer m_KernelDifferenceSets;

  std::vector< OffsetType > m_KernelCCVector;
};

} // end namespace itk

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

#endif