ITK  4.9.0
Insight Segmentation and Registration Toolkit
itkRGBToLuminanceImageFilter.h
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18 #ifndef itkRGBToLuminanceImageFilter_h
19 #define itkRGBToLuminanceImageFilter_h
20 
22 
23 namespace itk
24 {
36 namespace Functor
37 {
38 template< typename TInput, typename TOutput >
40 {
41 public:
42  typedef typename TInput::ComponentType ComponentType;
44 
47  bool operator!=(const RGBToLuminance &) const
48  {
49  return false;
50  }
51 
52  bool operator==(const RGBToLuminance & other) const
53  {
54  return !( *this != other );
55  }
56 
57  inline TOutput operator()(const TInput & A) const
58  { return static_cast< TOutput >( A.GetLuminance() ); }
59 };
60 }
61 
62 template< typename TInputImage, typename TOutputImage >
64  public
65  UnaryFunctorImageFilter< TInputImage, TOutputImage,
66  Functor::RGBToLuminance<
67  typename TInputImage::PixelType,
68  typename TOutputImage::PixelType > >
69 {
70 public:
74  TInputImage, TOutputImage,
75  Functor::RGBToLuminance< typename TInputImage::PixelType,
76  typename TOutputImage::PixelType > > Superclass;
77 
80 
82  itkNewMacro(Self);
83 
85  itkTypeMacro(RGBToLuminanceImageFilter,
87 
88 #ifdef ITK_USE_CONCEPT_CHECKING
89  // Begin concept checking
90  itkConceptMacro( InputHasNumericTraitsCheck,
92  // End concept checking
93 #endif
94 
95 protected:
98 
99 private:
100  RGBToLuminanceImageFilter(const Self &) ITK_DELETE_FUNCTION;
101  void operator=(const Self &) ITK_DELETE_FUNCTION;
102 };
103 } // end namespace itk
104 
105 #endif
Converts an RGB image into a grayscale image.
bool operator==(const RGBToLuminance &other) const
bool operator!=(const RGBToLuminance &) const
Base class for all process objects that output image data.
Implements pixel-wise generic operation on one image.
UnaryFunctorImageFilter< TInputImage, TOutputImage, Functor::RGBToLuminance< typename TInputImage::PixelType, typename TOutputImage::PixelType > > Superclass
itk::NumericTraits< ComponentType >::RealType RealType
#define itkConceptMacro(name, concept)
TOutput operator()(const TInput &A) const