ITK  4.2.0
Insight Segmentation and Registration Toolkit
itkComplexToModulusImageAdaptor.h
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1 /*=========================================================================
2  *
3  * Copyright Insight Software Consortium
4  *
5  * Licensed under the Apache License, Version 2.0 (the "License");
6  * you may not use this file except in compliance with the License.
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12  * distributed under the License is distributed on an "AS IS" BASIS,
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14  * See the License for the specific language governing permissions and
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17  *=========================================================================*/
18 #ifndef __itkComplexToModulusImageAdaptor_h
19 #define __itkComplexToModulusImageAdaptor_h
20 
21 #include "itkImageAdaptor.h"
22 #include <complex>
23 
24 namespace itk
25 {
26 namespace Accessor
27 {
40 template< class TInternalType, class TExternalType >
42 {
43 public:
46  typedef TExternalType ExternalType;
47 
50  typedef TInternalType InternalType;
51 
52  static inline void Set(TInternalType & output, const TExternalType & input)
53  { output = (TInternalType)( input ); }
54 
55  static inline TExternalType Get(const TInternalType & input)
56  {
57  return (TExternalType)( vcl_sqrt( input.real() * input.real()
58  + input.imag() * input.imag() ) );
59  }
60 };
61 } // end namespace Accessor
62 
73 template< class TImage, class TOutputPixelType >
74 class ITK_EXPORT ComplexToModulusImageAdaptor:public
75  ImageAdaptor< TImage,
76  Accessor::ComplexToModulusPixelAccessor<
77  typename TImage::PixelType,
78  TOutputPixelType > >
79 {
80 public:
84  typename TImage::PixelType,
85  TOutputPixelType > > Superclass;
86 
89 
91  itkNewMacro(Self);
92 
95 protected:
98 private:
99  ComplexToModulusImageAdaptor(const Self &); //purposely not implemented
100  void operator=(const Self &); //purposely not implemented
101 };
102 } // end namespace itk
104 
105 #endif
106