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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 itkTernaryMagnitudeSquaredImageFilter_h
#define itkTernaryMagnitudeSquaredImageFilter_h
#include "itkTernaryFunctorImageFilter.h"
namespace itk
{
namespace Functor
{
/**
* \class ModulusSquare3
* \brief
* \ingroup ITKImageIntensity
*/
template< typename TInput1, typename TInput2, typename TInput3, typename TOutput >
class ModulusSquare3
{
public:
ModulusSquare3() {}
~ModulusSquare3() {}
bool operator!=(const ModulusSquare3 &) const
{
return false;
}
bool operator==(const ModulusSquare3 & other) const
{
return !( *this != other );
}
inline TOutput operator()(const TInput1 & A,
const TInput2 & B,
const TInput3 & C) const
{ return static_cast<TOutput>( A * A + B * B + C * C ); }
};
}
/** \class TernaryMagnitudeSquaredImageFilter
* \brief Compute the pixel-wise squared magnitude of three images.
*
* This class is templated over the types of the three
* input images and the type of the output image.
* Numeric conversions (castings) are done by the C++ defaults.
*
* \ingroup IntensityImageFilters
* \ingroup ITKImageIntensity
*/
template< typename TInputImage1, typename TInputImage2,
typename TInputImage3, typename TOutputImage >
class TernaryMagnitudeSquaredImageFilter:
public
TernaryFunctorImageFilter< TInputImage1, TInputImage2,
TInputImage3, TOutputImage,
Functor::ModulusSquare3<
typename TInputImage1::PixelType,
typename TInputImage2::PixelType,
typename TInputImage3::PixelType,
typename TOutputImage::PixelType > >
{
public:
/** Standard class typedefs. */
typedef TernaryMagnitudeSquaredImageFilter Self;
typedef TernaryFunctorImageFilter<
TInputImage1, TInputImage2,
TInputImage3, TOutputImage,
Functor::ModulusSquare3<
typename TInputImage1::PixelType,
typename TInputImage2::PixelType,
typename TInputImage3::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(TernaryMagnitudeSquaredImageFilter,
TernaryFunctorImageFilter);
protected:
TernaryMagnitudeSquaredImageFilter() {}
virtual ~TernaryMagnitudeSquaredImageFilter() ITK_OVERRIDE {}
private:
ITK_DISALLOW_COPY_AND_ASSIGN(TernaryMagnitudeSquaredImageFilter);
};
} // end namespace itk
#endif
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