ITK  4.13.0
Insight Segmentation and Registration Toolkit
itkConstrainedValueAdditionImageFilter.h
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18 #ifndef itkConstrainedValueAdditionImageFilter_h
19 #define itkConstrainedValueAdditionImageFilter_h
20 
22 #include "itkNumericTraits.h"
23 
24 namespace itk
25 {
26 namespace Functor
27 {
33 template< typename TInput1, typename TInput2, typename TOutput >
35 {
36 public:
40  {
41  return false;
42  }
44 
45  bool operator==(const ConstrainedValueAddition & other) const
46  {
47  return !( *this != other );
48  }
49 
50  inline TOutput operator()(const TInput1 & A,
51  const TInput2 & B) const
52  {
53  const double dA = static_cast< double >( A );
54  const double dB = static_cast< double >( B );
55  const double add = dA + dB;
56  const double cadd1 = ( add < NumericTraits< TOutput >::max() ) ?
58  const double cadd2 = ( cadd1 > NumericTraits< TOutput >::NonpositiveMin() ) ?
60 
61  return static_cast< TOutput >( cadd2 );
62  }
63 };
64 }
95 template< typename TInputImage1, typename TInputImage2, typename TOutputImage >
97  public
98  BinaryFunctorImageFilter< TInputImage1, TInputImage2, TOutputImage,
99  Functor::ConstrainedValueAddition<
100  typename TInputImage1::PixelType,
101  typename TInputImage2::PixelType,
102  typename TOutputImage::PixelType > >
103 {
104 public:
107  typedef BinaryFunctorImageFilter< TInputImage1, TInputImage2, TOutputImage,
109  typename TInputImage1::PixelType,
110  typename TInputImage2::PixelType,
111  typename TOutputImage::PixelType > >
115 
117  itkNewMacro(Self);
118 
122 
123 #ifdef ITK_USE_CONCEPT_CHECKING
124  // Begin concept checking
125  itkConceptMacro( Input1ConvertibleToDoubleCheck,
127  itkConceptMacro( Input2ConvertibleToDoubleCheck,
129  itkConceptMacro( DoubleConvertibleToOutputCastCheck,
131  itkConceptMacro( DoubleLessThanOutputCheck,
133  // End concept checking
134 #endif
135 
136 protected:
138  virtual ~ConstrainedValueAdditionImageFilter() ITK_OVERRIDE {}
139 
140 private:
141  ITK_DISALLOW_COPY_AND_ASSIGN(ConstrainedValueAdditionImageFilter);
142 };
143 } // end namespace itk
144 
145 #endif
bool operator==(const ConstrainedValueAddition &other) const
BinaryFunctorImageFilter< TInputImage1, TInputImage2, TOutputImage, Functor::ConstrainedValueAddition< typename TInputImage1::PixelType, typename TInputImage2::PixelType, typename TOutputImage::PixelType > > Superclass
Base class for all process objects that output image data.
static ITK_CONSTEXPR_FUNC T max(const T &)
TOutput operator()(const TInput1 &A, const TInput2 &B) const
static ITK_CONSTEXPR_FUNC T NonpositiveMin()
bool operator!=(const ConstrainedValueAddition &) const
Implements pixel-wise the computation of constrained value addition.
Define additional traits for native types such as int or float.
#define itkConceptMacro(name, concept)
Implements pixel-wise generic operation of two images, or of an image and a constant.