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/*=========================================================================
*
* Copyright Insight Software Consortium
*
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0.txt
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*
*=========================================================================*/
#ifndef itkMultiplyImageFilter_h
#define itkMultiplyImageFilter_h
#include "itkBinaryFunctorImageFilter.h"
namespace itk
{
namespace Functor
{
/**
* \class Mult
* \brief
* \ingroup ITKImageIntensity
*/
template< typename TInput1, typename TInput2 = TInput1, typename 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) const
{ return static_cast<TOutput>( A * B ); }
};
}
/** \class MultiplyImageFilter
* \brief Pixel-wise multiplication of two images.
*
* This class is templated 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
* \ingroup MultiThreaded
* \ingroup ITKImageIntensity
*
* \wiki
* \wikiexample{ImageProcessing/MultiplyImageFilter,Multiply two images together}
* \wikiexample{ImageProcessing/MultiplyByConstantImageFilter,Multiply every pixel in an image by a constant}
* \endwiki
*/
template< typename TInputImage1, typename TInputImage2 = TInputImage1, typename TOutputImage = TInputImage1 >
class MultiplyImageFilter:
public
BinaryFunctorImageFilter< TInputImage1, TInputImage2, TOutputImage,
Functor::Mult<
typename TInputImage1::PixelType,
typename TInputImage2::PixelType,
typename TOutputImage::PixelType > >
{
public:
/** Standard class typedefs. */
typedef MultiplyImageFilter Self;
typedef BinaryFunctorImageFilter< TInputImage1, TInputImage2, TOutputImage,
Functor::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 &) ITK_DELETE_FUNCTION;
void operator=(const Self &) ITK_DELETE_FUNCTION;
};
} // end namespace itk
#endif
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