itkCellInterfaceVisitor.h

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

  Program:   Insight Segmentation & Registration Toolkit
  Module:    $RCSfile: itkCellInterfaceVisitor.h,v $
  Language:  C++
  Date:      $Date: 2002/01/15 18:56:28 $
  Version:   $Revision: 1.11 $

  Copyright (c) 2002 Insight 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 __itkCellInterfaceVisitor_h
#define __itkCellInterfaceVisitor_h

#include "itkLightObject.h"
#include "itkObjectFactory.h"

namespace itk
{
// forward reference CellInterface
template <
  typename TPixelType,
  typename TCellTraits
> 
class CellInterface;
  
template <
  typename TPixelType,
  typename TCellTraits
>  
class CellInterfaceVisitor : public LightObject
{
public: 
  typedef CellInterfaceVisitor       Self;
  typedef LightObject  Superclass;
  typedef SmartPointer<Self>  Pointer;
  typedef SmartPointer<const Self>  ConstPointer;
    
  itkTypeMacro(CellInterfaceVisitor,LightObject);

  virtual void VisitFromCell(unsigned long cellId, CellInterface<TPixelType, TCellTraits>*) = 0;

  virtual int GetCellTopologyId() = 0;
  
protected:
  CellInterfaceVisitor() {};
  ~CellInterfaceVisitor() {};

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

  
template<
typename TPixelType,
  typename TCellTraits,
  class CellTopology,
  class UserVisitor 
>
class CellInterfaceVisitorImplementation : 
    public CellInterfaceVisitor<TPixelType, TCellTraits>, public UserVisitor
{
public:
  typedef CellInterfaceVisitorImplementation       Self;
  typedef SmartPointer<Self>  Pointer;
    
  itkNewMacro(Self);
  
  itkTypeMacro(CellInterfaceVisitorImplementation,LightObject);
  
  virtual int GetCellTopologyId() { return CellTopology::GetTopologyId();}

  void VisitFromCell(unsigned long cellId, CellInterface<TPixelType, TCellTraits>* c)
    {
      this->UserVisitor::Visit(cellId, (CellTopology*)c);
    }

protected:
  CellInterfaceVisitorImplementation() {};
  ~CellInterfaceVisitorImplementation() {};

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

} // end namespace itk

#endif

---