ITK  4.2.0
Insight Segmentation and Registration Toolkit
itkComplexToImaginaryImageFilter.h
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18 #ifndef __itkComplexToImaginaryImageFilter_h
19 #define __itkComplexToImaginaryImageFilter_h
20 
22 #include "vnl/vnl_math.h"
23 
24 namespace itk
25 {
32 namespace Functor
33 {
34 template< class TInput, class TOutput >
36 {
37 public:
40  bool operator!=(const ComplexToImaginary &) const
41  {
42  return false;
43  }
44 
45  bool operator==(const ComplexToImaginary & other) const
46  {
47  return !( *this != other );
48  }
49 
50  inline TOutput operator()(const TInput & A) const
51  {
52  return (TOutput)( A.imag() );
53  }
54 };
55 }
56 
57 template< class TInputImage, class TOutputImage >
59  public
60  UnaryFunctorImageFilter< TInputImage, TOutputImage,
61  Functor::ComplexToImaginary<
62  typename TInputImage::PixelType,
63  typename TOutputImage::PixelType > >
64 {
65 public:
69  TInputImage, TOutputImage,
70  Functor::ComplexToImaginary< typename TInputImage::PixelType,
71  typename TOutputImage::PixelType > > Superclass;
72 
75 
77  itkNewMacro(Self);
78 
80  itkTypeMacro(ComplexToImaginaryImageFilter,
82 
83  typedef typename TInputImage::PixelType InputPixelType;
84  typedef typename TOutputImage::PixelType OutputPixelType;
86 
87 #ifdef ITK_USE_CONCEPT_CHECKING
88 
89  itkConceptMacro( InputConvertibleToOutputCheck,
91 
93 #endif
94 protected:
97 private:
98  ComplexToImaginaryImageFilter(const Self &); //purposely not implemented
99  void operator=(const Self &); //purposely not implemented
100 };
101 } // end namespace itk
103 
104 #endif
105