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/*=========================================================================
Program: Insight Segmentation & Registration Toolkit
Module: $RCSfile: itkMultiplyImageFilter.h,v $
Language: C++
Date: $Date: 2007-09-27 11:36:41 $
Version: $Revision: 1.25 $
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 __itkMultiplyImageFilter_h
#define __itkMultiplyImageFilter_h
#include "itkBinaryFunctorImageFilter.h"
namespace itk
{
/** \class MultiplyImageFilter
* \brief Implements an operator for pixel-wise multiplication of two images.
*
* This class is parametrized over the types of the two
* input images and the type of the output image.
* Numeric conversions (castings) are done by the C++ defaults.
*
* \ingroup IntensityImageFilters Multithreaded
*/
namespace Function {
template< class TInput1, class TInput2=TInput1, class TOutput=TInput1>
class Mult
{
public:
Mult() {}
~Mult() {}
bool operator!=( const Mult & ) const
{
return false;
}
bool operator==( const Mult & other ) const
{
return !(*this != other);
}
inline TOutput operator()( const TInput1 & A, const TInput2 & B)
{ return (TOutput)(A * B); }
};
}
template <class TInputImage1, class TInputImage2=TInputImage1, class TOutputImage=TInputImage1>
class ITK_EXPORT MultiplyImageFilter :
public
BinaryFunctorImageFilter<TInputImage1,TInputImage2,TOutputImage,
Function::Mult<
typename TInputImage1::PixelType,
typename TInputImage2::PixelType,
typename TOutputImage::PixelType> >
{
public:
/** Standard class typedefs. */
typedef MultiplyImageFilter Self;
typedef BinaryFunctorImageFilter<TInputImage1,TInputImage2,TOutputImage,
Function::Mult<
typename TInputImage1::PixelType,
typename TInputImage2::PixelType,
typename TOutputImage::PixelType>
> Superclass;
typedef SmartPointer<Self> Pointer;
typedef SmartPointer<const Self> ConstPointer;
/** Method for creation through the object factory. */
itkNewMacro(Self);
/** Runtime information support. */
itkTypeMacro(MultiplyImageFilter,
BinaryFunctorImageFilter);
#ifdef ITK_USE_CONCEPT_CHECKING
/** Begin concept checking */
itkConceptMacro(Input1Input2OutputMultiplyOperatorCheck,
(Concept::MultiplyOperator<typename TInputImage1::PixelType,
typename TInputImage2::PixelType,
typename TOutputImage::PixelType>));
/** End concept checking */
#endif
protected:
MultiplyImageFilter() {}
virtual ~MultiplyImageFilter() {}
private:
MultiplyImageFilter(const Self&); //purposely not implemented
void operator=(const Self&); //purposely not implemented
};
} // end namespace itk
#endif
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