ITK  4.1.0
Insight Segmentation and Registration Toolkit
itkComplexConjugateImageAdaptor.h
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00001 /*=========================================================================
00002  *
00003  *  Copyright Insight Software Consortium
00004  *
00005  *  Licensed under the Apache License, Version 2.0 (the "License");
00006  *  you may not use this file except in compliance with the License.
00007  *  You may obtain a copy of the License at
00008  *
00009  *         http://www.apache.org/licenses/LICENSE-2.0.txt
00010  *
00011  *  Unless required by applicable law or agreed to in writing, software
00012  *  distributed under the License is distributed on an "AS IS" BASIS,
00013  *  WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
00014  *  See the License for the specific language governing permissions and
00015  *  limitations under the License.
00016  *
00017  *=========================================================================*/
00018 #ifndef __itkComplexConjugateImageAdaptor_h
00019 #define __itkComplexConjugateImageAdaptor_h
00020 
00021 #include "itkImageAdaptor.h"
00022 #include <complex>
00023 
00024 namespace itk
00025 {
00026 namespace Accessor
00027 {
00034 template< class TComplexType >
00035 class ITK_EXPORT ComplexConjugatePixelAccessor
00036 {
00037 public:
00038   typedef TComplexType ExternalType;
00039   typedef TComplexType InternalType;
00040 
00041   static inline void Set(TComplexType & output, const TComplexType & input)
00042   {
00043     output = std::conj( input );
00044   }
00045 
00046   static inline TComplexType Get(const TComplexType & input)
00047   {
00048     return std::conj( input );
00049   }
00050 };
00051 } // end namespace Accessor
00052 
00059 template< class TImage >
00060 class ITK_EXPORT ComplexConjugateImageAdaptor:public
00061   ImageAdaptor< TImage,
00062                 Accessor::ComplexConjugatePixelAccessor< typename TImage::PixelType > >
00063 {
00064 public:
00066   typedef ComplexConjugateImageAdaptor Self;
00067   typedef ImageAdaptor< TImage, Accessor::ComplexConjugatePixelAccessor<
00068                           typename TImage::PixelType > >  Superclass;
00069 
00070   typedef SmartPointer< Self >       Pointer;
00071   typedef SmartPointer< const Self > ConstPointer;
00072 
00074   itkNewMacro(Self);
00075 
00077   itkTypeMacro(ComplexConjugateImageAdaptor, ImageAdaptor);
00078 
00079 #ifdef ITK_USE_CONCEPT_CHECKING
00080 
00081   itkConceptMacro( InputConvertibleToComplex,
00082                    ( Concept::Convertible<
00083                        std::complex< typename NumericTraits< typename TImage::PixelType >::ValueType >,
00084                      typename TImage::PixelType > ) );
00085 
00087 #endif
00088 
00089 protected:
00090   ComplexConjugateImageAdaptor() {}
00091   virtual ~ComplexConjugateImageAdaptor() {}
00092 
00093 private:
00094   ComplexConjugateImageAdaptor(const Self &); //purposely not implemented
00095   void operator=(const Self &);               //purposely not implemented
00096 };
00097 } // end namespace itk
00098 
00099 #endif
00100