ITK  4.9.0
Insight Segmentation and Registration Toolkit
itkSquareImageFilter.h
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18 #ifndef itkSquareImageFilter_h
19 #define itkSquareImageFilter_h
20 
22 
23 namespace itk
24 {
36 namespace Functor
37 {
38 template< typename TInput, typename TOutput >
39 class Square
40 {
41 public:
43  Square() {}
44  ~Square() {}
45  bool operator!=(const Square &) const
46  {
47  return false;
48  }
49 
50  bool operator==(const Square & other) const
51  {
52  return !( *this != other );
53  }
54 
55  inline TOutput operator()(const TInput & A) const
56  {
57  const RealType ra = static_cast< RealType >( A );
58 
59  return static_cast< TOutput >( ra * ra );
60  }
61 };
62 }
63 template< typename TInputImage, typename TOutputImage >
65  public
66  UnaryFunctorImageFilter< TInputImage, TOutputImage,
67  Functor::Square< typename TInputImage::PixelType,
68  typename TOutputImage::PixelType > >
69 {
70 public:
74  TInputImage, TOutputImage,
75  Functor::Square< typename TInputImage::PixelType,
76  typename TOutputImage::PixelType > > Superclass;
77 
80 
82  itkNewMacro(Self);
83 
85  itkTypeMacro(SquareImageFilter,
87 
88 #ifdef ITK_USE_CONCEPT_CHECKING
89  // Begin concept checking
90  itkConceptMacro( InputHasNumericTraitsCheck,
92  itkConceptMacro( RealTypeMultiplyOperatorCheck,
94  // End concept checking
95 #endif
96 
97 protected:
99  virtual ~SquareImageFilter() {}
100 
101 private:
102  SquareImageFilter(const Self &) ITK_DELETE_FUNCTION;
103  void operator=(const Self &) ITK_DELETE_FUNCTION;
104 };
105 } // end namespace itk
106 
107 #endif
SmartPointer< const Self > ConstPointer
bool operator==(const Square &other) const
Base class for all process objects that output image data.
SmartPointer< Self > Pointer
Computes the square of the intensity values pixel-wise.
UnaryFunctorImageFilter< TInputImage, TOutputImage, Functor::Square< typename TInputImage::PixelType, typename TOutputImage::PixelType > > Superclass
Implements pixel-wise generic operation on one image.
TOutput operator()(const TInput &A) const
bool operator!=(const Square &) const
Define additional traits for native types such as int or float.
#define itkConceptMacro(name, concept)
NumericTraits< TInput >::RealType RealType