ITK  4.2.0
Insight Segmentation and Registration Toolkit
itkComplexToPhaseImageAdaptor.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.
7  * You may obtain a copy of the License at
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9  * http://www.apache.org/licenses/LICENSE-2.0.txt
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11  * Unless required by applicable law or agreed to in writing, software
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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16  *
17  *=========================================================================*/
18 #ifndef __itkComplexToPhaseImageAdaptor_h
19 #define __itkComplexToPhaseImageAdaptor_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  { return (TExternalType)( vcl_atan2( input.imag(), input.real() ) ); }
57 };
58 } // end namespace Accessor
59 
69 template< class TImage, class TOutputPixelType >
70 class ITK_EXPORT ComplexToPhaseImageAdaptor:public
71  ImageAdaptor< TImage,
72  Accessor::ComplexToPhasePixelAccessor<
73  typename TImage::PixelType,
74  TOutputPixelType > >
75 {
76 public:
80  typename TImage::PixelType,
81  TOutputPixelType > > Superclass;
84 
86  itkNewMacro(Self);
87 
90 protected:
93 private:
94  ComplexToPhaseImageAdaptor(const Self &); //purposely not implemented
95  void operator=(const Self &); //purposely not implemented
96 };
97 } // end namespace itk
99 
100 #endif
101