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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 itkModulusImageFilter_h
#define itkModulusImageFilter_h
#include "itkBinaryFunctorImageFilter.h"
namespace itk
{
namespace Functor
{
/** \class Modulus
*
* \ingroup ITKImageIntensity
*/
template< typename TInput1, typename TInput2, typename TOutput >
class Modulus
{
public:
Modulus() { }
~Modulus() {}
bool operator!=(const Modulus &) const
{
return false;
}
bool operator==(const Modulus & other) const
{
return !( *this != other );
}
inline TOutput operator()(const TInput1 & A, const TInput2 & B) const
{
if ( B != NumericTraits<TInput2>::ZeroValue() )
{
return static_cast< TOutput >( A % B );
}
else
{
return NumericTraits< TOutput >::max( static_cast<TOutput>(A) );
}
}
};
/** \class ModulusTransform
*
* \deprecated The two template parametered ModulusTransform functor
* is depricated. Please use the version with 3 template parameters.
*
* \ingroup ITKImageIntensity
*/
template< typename TInput, typename TOutput >
class ModulusTransform
{
public:
ModulusTransform() { m_Dividend = 5; }
~ModulusTransform() {}
void SetDividend(TOutput dividend) { m_Dividend = dividend; }
bool operator!=(const ModulusTransform & other) const
{
if ( m_Dividend != other.m_Dividend )
{
return true;
}
return false;
}
bool operator==(const ModulusTransform & other) const
{
return !( *this != other );
}
inline TOutput operator()(const TInput & x) const
{
TOutput result = static_cast< TOutput >( x % m_Dividend );
return result;
}
private:
TInput m_Dividend;
};
} // end namespace functor
/** \class ModulusImageFilter
* \brief Computes the modulus (x % dividend) pixel-wise
*
* The input pixel type must support the c++ modulus operator (%).
*
* If the dividend is zero, the maximum value will be returned.
*
* \author Gaetan Lehmann. Biologie du Developpement et de la Reproduction, INRA de Jouy-en-Josas, France.
*
* \ingroup IntensityImageFilters MultiThreaded
*
* \ingroup ITKImageIntensity
*/
template< typename TInputImage1, typename TInputImage2 = TInputImage1, typename TOutputImage = TInputImage1 >
class ModulusImageFilter:
public
BinaryFunctorImageFilter< TInputImage1, TInputImage2, TOutputImage,
Functor::Modulus<
typename TInputImage1::PixelType,
typename TInputImage2::PixelType,
typename TOutputImage::PixelType > >
{
public:
/** Standard class typedefs. */
typedef ModulusImageFilter Self;
typedef BinaryFunctorImageFilter< TInputImage1, TInputImage2, TOutputImage,
Functor::Modulus<
typename TInputImage1::PixelType,
typename TInputImage2::PixelType,
typename TOutputImage::PixelType > > Superclass;
typedef SmartPointer< Self > Pointer;
typedef SmartPointer< const Self > ConstPointer;
typedef typename TOutputImage::PixelType OutputPixelType;
typedef typename TInputImage1::PixelType InputPixelType;
/** Method for creation through the object factory. */
itkNewMacro(Self);
/** Runtime information support. */
itkTypeMacro(ModulusImageFilter,
UnaryFunctorImageFilter);
/** Set/Get the dividend */
virtual void SetDividend( InputPixelType _arg ) { this->SetConstant2(_arg); }
virtual const InputPixelType &GetDividend () const { return this->GetConstant2(); }
#ifdef ITK_USE_CONCEPT_CHECKING
// Begin concept checking
itkConceptMacro( InputHasNumericTraitsCheck,
( Concept::HasNumericTraits< InputPixelType > ) );
// End concept checking
#endif
protected:
ModulusImageFilter();
virtual ~ModulusImageFilter() {}
private:
ModulusImageFilter(const Self &) ITK_DELETE_FUNCTION;
void operator=(const Self &) ITK_DELETE_FUNCTION;
};
} // end namespace itk
#ifndef ITK_MANUAL_INSTANTIATION
#include "itkModulusImageFilter.hxx"
#endif
#endif
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