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/*=========================================================================
*
* Copyright NumFOCUS
*
* 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
*
* https://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 "itkTernaryGeneratorImageFilter.h"
namespace itk
{
namespace Functor
{
/**
* \class ModulusSquare3
* \brief
* \ingroup ITKImageIntensity
*/
template <typename TInput1, typename TInput2, typename TInput3, typename TOutput>
class ModulusSquare3
{
public:
bool
operator==(const ModulusSquare3 &) const
{
return true;
}
ITK_UNEQUAL_OPERATOR_MEMBER_FUNCTION(ModulusSquare3);
inline TOutput
operator()(const TInput1 & A, const TInput2 & B, const TInput3 & C) const
{
return static_cast<TOutput>(A * A + B * B + C * C);
}
};
} // namespace Functor
/**
* \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 TernaryGeneratorImageFilter<TInputImage1, TInputImage2, TInputImage3, TOutputImage>
{
public:
ITK_DISALLOW_COPY_AND_MOVE(TernaryMagnitudeSquaredImageFilter);
/** Standard class type aliases. */
using Self = TernaryMagnitudeSquaredImageFilter;
using Superclass = TernaryGeneratorImageFilter<TInputImage1, TInputImage2, TInputImage3, TOutputImage>;
using Pointer = SmartPointer<Self>;
using ConstPointer = SmartPointer<const Self>;
using FunctorType = Functor::ModulusSquare3<typename TInputImage1::PixelType,
typename TInputImage2::PixelType,
typename TInputImage3::PixelType,
typename TOutputImage::PixelType>;
/** Method for creation through the object factory. */
itkNewMacro(Self);
/** \see LightObject::GetNameOfClass() */
itkOverrideGetNameOfClassMacro(TernaryMagnitudeSquaredImageFilter);
protected:
TernaryMagnitudeSquaredImageFilter()
{
#if !defined(ITK_WRAPPING_PARSER)
Superclass::SetFunctor(FunctorType());
#endif
}
~TernaryMagnitudeSquaredImageFilter() override = default;
};
} // end namespace itk
#endif
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