itkMaskImageFilter.h

Go to the documentation of this file.

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

  Program:   Insight Segmentation & Registration Toolkit
  Module:    $RCSfile: itkMaskImageFilter.h,v $
  Language:  C++
  Date:      $Date: 2005/06/07 23:00:50 $
  Version:   $Revision: 1.8 $

  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 __itkMaskImageFilter_h
#define __itkMaskImageFilter_h

#include "itkBinaryFunctorImageFilter.h"
#include "itkNumericTraits.h"


namespace itk
{
  
namespace Functor {  
  
template< class TInput, class TMask, class TOutput >
class MaskInput
{
public:
  typedef typename NumericTraits< TInput >::AccumulateType AccumulatorType;

  MaskInput(): m_OutsideValue(NumericTraits< TOutput >::ZeroValue()) {};
  ~MaskInput() {};
  inline TOutput operator()( const TInput & A, const TMask & B)
  {
    if (B != NumericTraits< TMask >::ZeroValue() ) 
      {
      return static_cast<TOutput>( A );
      }
    else
      {
      return m_OutsideValue;
      }
  }

  void SetOutsideValue( const TOutput &outsideValue )
    {
    m_OutsideValue = outsideValue;
    }
  
  const TOutput &GetOutsideValue() const
    {
    return m_OutsideValue;
    }
     
private:
  TOutput m_OutsideValue;
}; 

}
template <class TInputImage, class TMaskImage, class TOutputImage>
class ITK_EXPORT MaskImageFilter :
    public
BinaryFunctorImageFilter<TInputImage,TMaskImage,TOutputImage, 
                         Functor::MaskInput< 
  typename TInputImage::PixelType, 
  typename TMaskImage::PixelType,
  typename TOutputImage::PixelType>   >


{
public:
  typedef MaskImageFilter  Self;
  typedef BinaryFunctorImageFilter<TInputImage,TMaskImage,TOutputImage, 
                                   Functor::MaskInput< 
    typename TInputImage::PixelType, 
    typename TMaskImage::PixelType,
    typename TOutputImage::PixelType>   
  >  Superclass;
  typedef SmartPointer<Self>   Pointer;
  typedef SmartPointer<const Self>  ConstPointer;

  itkNewMacro(Self);
 
  void SetOutsideValue( const typename TOutputImage::PixelType & outsudeValue ) 
    {
    this->GetFunctor().SetOutsideValue( outsudeValue );
    }
    
protected:
  MaskImageFilter() {}
  virtual ~MaskImageFilter() {}

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

};

} // end namespace itk


#endif

---