/usr/include/ITK-4.5/itkComplexToRealImageAdaptor.h is in libinsighttoolkit4-dev 4.5.0-3.
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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 __itkComplexToRealImageAdaptor_h
#define __itkComplexToRealImageAdaptor_h
#include "itkImageAdaptor.h"
#include <complex>
namespace itk
{
namespace Accessor
{
/** \class ComplexToRealPixelAccessor
* \brief Give access to the Real part of a std::complex<> value.
*
* ComplexToRealPixelAccessor is templated over an internal type and an
* external type representation. The internal type is an std::complex<T> and
* the external part is a type T. This class casts the input, applies the function
* to it, and casts the result according to the types defined as template
* parameters.
*
* \ingroup ImageAdaptors
* \ingroup ITKImageAdaptors
*/
template< typename TInternalType, typename TExternalType >
class ComplexToRealPixelAccessor
{
public:
/** External typedef. It defines the external aspect
* that this class will exhibit. */
typedef TExternalType ExternalType;
/** Internal typedef. It defines the internal real
* representation of data. */
typedef TInternalType InternalType;
static inline void Set(TInternalType & output, const TExternalType & input)
{ output = (TInternalType)( input ); }
static inline TExternalType Get(const TInternalType & input)
{ return (TExternalType)( input.real() ); }
};
} // end namespace Accessor
/** \class ComplexToRealImageAdaptor
* \brief Presents a complex image as being composed of real() part of
* its pixels.
*
* Additional casting is performed according to the input and output image
* types following C++ default casting rules.
*
* \ingroup ImageAdaptors
* \ingroup ITKImageAdaptors
*/
template< typename TImage, typename TOutputPixelType >
class ComplexToRealImageAdaptor:public
ImageAdaptor< TImage,
Accessor::ComplexToRealPixelAccessor<
typename TImage::PixelType,
TOutputPixelType > >
{
public:
/** Standard class typedefs. */
typedef ComplexToRealImageAdaptor Self;
typedef ImageAdaptor< TImage, Accessor::ComplexToRealPixelAccessor<
typename TImage::PixelType,
TOutputPixelType > > Superclass;
typedef SmartPointer< Self > Pointer;
typedef SmartPointer< const Self > ConstPointer;
/** Method for creation through the object factory. */
itkNewMacro(Self);
/** Run-time type information (and related methods). */
itkTypeMacro(ComplexToRealImageAdaptor, ImageAdaptor);
protected:
ComplexToRealImageAdaptor() {}
virtual ~ComplexToRealImageAdaptor() {}
private:
ComplexToRealImageAdaptor(const Self &); //purposely not implemented
void operator=(const Self &); //purposely not implemented
};
} // end namespace itk
#endif
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