ITK  5.2.0
Insight Toolkit
itkRGBToLuminanceImageFilter.h
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18 #ifndef itkRGBToLuminanceImageFilter_h
19 #define itkRGBToLuminanceImageFilter_h
20 
22 
23 namespace itk
24 {
37 namespace Functor
38 {
39 template <typename TInput, typename TOutput>
41 {
42 public:
43  using ComponentType = typename TInput::ComponentType;
45 
46  RGBToLuminance() = default;
47  ~RGBToLuminance() = default;
48  bool
49  operator!=(const RGBToLuminance &) const
50  {
51  return false;
52  }
53 
54  bool
55  operator==(const RGBToLuminance & other) const
56  {
57  return !(*this != other);
58  }
59 
60  inline TOutput
61  operator()(const TInput & A) const
62  {
63  return static_cast<TOutput>(A.GetLuminance());
64  }
65 };
66 } // namespace Functor
67 
68 template <typename TInputImage, typename TOutputImage>
69 class RGBToLuminanceImageFilter : public UnaryGeneratorImageFilter<TInputImage, TOutputImage>
70 {
71 public:
72  ITK_DISALLOW_COPY_AND_ASSIGN(RGBToLuminanceImageFilter);
73 
80 
82  itkNewMacro(Self);
83 
86 
87 #ifdef ITK_USE_CONCEPT_CHECKING
88  // Begin concept checking
89  itkConceptMacro(InputHasNumericTraitsCheck,
91  // End concept checking
92 #endif
93 
94 protected:
96  {
97 #if !defined(ITK_WRAPPING_PARSER)
99 #endif
100  }
101  ~RGBToLuminanceImageFilter() override = default;
102 };
103 } // end namespace itk
104 
105 #endif
itk::Concept::HasNumericTraits
Definition: itkConceptChecking.h:712
itk::RGBToLuminanceImageFilter::FunctorType
Functor::RGBToLuminance< typename TInputImage::PixelType, typename TOutputImage::PixelType > FunctorType
Definition: itkRGBToLuminanceImageFilter.h:79
itk::UnaryGeneratorImageFilter::SetFunctor
void SetFunctor(const std::function< ConstRefFunctionType > &f)
Definition: itkUnaryGeneratorImageFilter.h:92
itk::Functor::RGBToLuminance::operator==
bool operator==(const RGBToLuminance &other) const
Definition: itkRGBToLuminanceImageFilter.h:55
itk::UnaryGeneratorImageFilter
Implements pixel-wise generic "operation" on one image.
Definition: itkUnaryGeneratorImageFilter.h:55
itk::SmartPointer< Self >
itk::Functor::RGBToLuminance::operator()
TOutput operator()(const TInput &A) const
Definition: itkRGBToLuminanceImageFilter.h:61
itk::Functor::RGBToLuminance
Definition: itkRGBToLuminanceImageFilter.h:40
itk::Functor::RGBToLuminance::ComponentType
typename TInput::ComponentType ComponentType
Definition: itkRGBToLuminanceImageFilter.h:43
itkUnaryGeneratorImageFilter.h
itk::Functor::RGBToLuminance::RealType
typename itk::NumericTraits< ComponentType >::RealType RealType
Definition: itkRGBToLuminanceImageFilter.h:44
itk::ImageSource
Base class for all process objects that output image data.
Definition: itkImageSource.h:67
itk::RGBToLuminanceImageFilter::~RGBToLuminanceImageFilter
~RGBToLuminanceImageFilter() override=default
itk::RGBToLuminanceImageFilter::RGBToLuminanceImageFilter
RGBToLuminanceImageFilter()
Definition: itkRGBToLuminanceImageFilter.h:95
itk::Functor::RGBToLuminance::~RGBToLuminance
~RGBToLuminance()=default
itk::Functor::RGBToLuminance::RGBToLuminance
RGBToLuminance()=default
itk::Functor::RGBToLuminance::operator!=
bool operator!=(const RGBToLuminance &) const
Definition: itkRGBToLuminanceImageFilter.h:49
itk::RGBToLuminanceImageFilter
Converts an RGB image into a grayscale image.
Definition: itkRGBToLuminanceImageFilter.h:69
itkConceptMacro
#define itkConceptMacro(name, concept)
Definition: itkConceptChecking.h:64
itk
The "itk" namespace contains all Insight Segmentation and Registration Toolkit (ITK) classes....
Definition: itkAnnulusOperator.h:24
itk::ProcessObject
The base class for all process objects (source, filters, mappers) in the Insight data processing pipe...
Definition: itkProcessObject.h:138
itk::NumericTraits::RealType
double RealType
Definition: itkNumericTraits.h:84