itkWatershedBoundaryResolver.h

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

  Program:   Insight Segmentation & Registration Toolkit
  Module:    $RCSfile: itkWatershedBoundaryResolver.h,v $
  Language:  C++
  Date:      $Date: 2003-09-10 14:28:41 $
  Version:   $Revision: 1.9 $

  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 __itkWatershedBoundaryResolver_h
#define __itkWatershedBoundaryResolver_h

#if defined(_MSC_VER)
#pragma warning ( disable : 4786 )
#endif
#include "itkWatershedBoundary.h"
#include "itkEquivalencyTable.h"
#include "itkWatershedSegmenter.h"

namespace itk
{
namespace watershed
{
template <class TPixelType, unsigned int TDimension>
class ITK_EXPORT BoundaryResolver : public ProcessObject
{
public:
  typedef BoundaryResolver Self;
  typedef ProcessObject Superclass;
  typedef SmartPointer<Self> Pointer;
  typedef SmartPointer<const Self> ConstPointer;
  itkNewMacro(Self);
  itkTypeMacro(BoundaryResolver, ProcessObject);

  itkStaticConstMacro(ImageDimension, unsigned int, TDimension);

  typedef TPixelType PixelType;
  typedef Boundary<PixelType, TDimension> BoundaryType;
  typedef EquivalencyTable EquivalencyTableType;
  typedef Segmenter<Image<TPixelType, TDimension> > SegmenterType;
  typedef DataObject::Pointer DataObjectPointer;

  void SetBoundaryA(BoundaryType *bd)
  { this->ProcessObject::SetNthInput(0, bd); }
  typename BoundaryType::Pointer GetBoundaryA()
  { return static_cast<BoundaryType *>(this->GetInput(0));  }

  void SetBoundaryB(BoundaryType *bd)
  { this->ProcessObject::SetNthInput(1, bd); }
  typename BoundaryType::Pointer GetBoundaryB()
  { return static_cast<BoundaryType *>(this->GetInput(1));  }

  itkSetMacro(Face, unsigned short);
  itkGetMacro(Face, unsigned short);

  void SetEquivalencyTable(EquivalencyTableType::Pointer a)
  { this->ProcessObject::SetNthOutput(0, a.GetPointer()); }
  EquivalencyTableType::Pointer GetEquivalencyTable()
  { return static_cast<EquivalencyTableType *>
      (this->ProcessObject::GetOutput(0)); }

  void GenerateData();

  virtual DataObjectPointer MakeOutput(unsigned int idx);  
protected:
  BoundaryResolver() : m_Face(0)
  {
    EquivalencyTable::Pointer eq
      = static_cast<EquivalencyTable*>(this->MakeOutput(0).GetPointer());
    this->SetNumberOfRequiredOutputs(1);
    this->ProcessObject::SetNthOutput(0, eq.GetPointer());
  }
  virtual ~BoundaryResolver() {}
  BoundaryResolver(const Self&) {}
  void operator=(const Self&) {}
  void PrintSelf(std::ostream& os, Indent indent) const;

  unsigned short m_Face;
  void GenerateOutputRequestedRegion(DataObject *output);
};
  
}// end namespace watershed
}// end namespace itk

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

#endif

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