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00017 #ifndef __itkMaskImageFilter_h
00018 #define __itkMaskImageFilter_h
00019
00020 #include "itkBinaryFunctorImageFilter.h"
00021 #include "itkNumericTraits.h"
00022
00023
00024 namespace itk
00025 {
00026
00053 namespace Functor {
00054
00055 template< class TInput, class TMask, class TOutput=TInput >
00056 class MaskInput
00057 {
00058 public:
00059 typedef typename NumericTraits< TInput >::AccumulateType AccumulatorType;
00060
00061 MaskInput(): m_OutsideValue(NumericTraits< TOutput >::Zero) {};
00062 ~MaskInput() {};
00063 bool operator!=( const MaskInput & ) const
00064 {
00065 return false;
00066 }
00067 bool operator==( const MaskInput & other ) const
00068 {
00069 return !(*this != other);
00070 }
00071
00072 inline TOutput operator()( const TInput & A, const TMask & B) const
00073 {
00074 if (B != NumericTraits< TMask >::ZeroValue() )
00075 {
00076 return static_cast<TOutput>( A );
00077 }
00078 else
00079 {
00080 return m_OutsideValue;
00081 }
00082 }
00083
00085 void SetOutsideValue( const TOutput &outsideValue )
00086 {
00087 m_OutsideValue = outsideValue;
00088 }
00089
00091 const TOutput &GetOutsideValue() const
00092 {
00093 return m_OutsideValue;
00094 }
00095
00096 private:
00097 TOutput m_OutsideValue;
00098 };
00099
00100 }
00101 template <class TInputImage, class TMaskImage, class TOutputImage=TInputImage>
00102 class ITK_EXPORT MaskImageFilter :
00103 public
00104 BinaryFunctorImageFilter<TInputImage,TMaskImage,TOutputImage,
00105 Functor::MaskInput<
00106 typename TInputImage::PixelType,
00107 typename TMaskImage::PixelType,
00108 typename TOutputImage::PixelType> >
00109
00110
00111 {
00112 public:
00114 typedef MaskImageFilter Self;
00115 typedef BinaryFunctorImageFilter<TInputImage,TMaskImage,TOutputImage,
00116 Functor::MaskInput<
00117 typename TInputImage::PixelType,
00118 typename TMaskImage::PixelType,
00119 typename TOutputImage::PixelType>
00120 > Superclass;
00121 typedef SmartPointer<Self> Pointer;
00122 typedef SmartPointer<const Self> ConstPointer;
00123
00125 itkNewMacro(Self);
00126
00128 itkTypeMacro(MaskImageFilter,
00129 BinaryFunctorImageFilter);
00130
00132 void SetOutsideValue( const typename TOutputImage::PixelType & outsideValue )
00133 {
00134 if( this->GetOutsideValue() != outsideValue )
00135 {
00136 this->Modified();
00137 this->GetFunctor().SetOutsideValue( outsideValue );
00138 }
00139 }
00141
00142 const typename TOutputImage::PixelType & GetOutsideValue() const
00143 {
00144 return this->GetFunctor().GetOutsideValue();
00145 }
00146
00147 #ifdef ITK_USE_CONCEPT_CHECKING
00148
00149 itkConceptMacro(MaskEqualityComparableCheck,
00150 (Concept::EqualityComparable<typename TMaskImage::PixelType>));
00151 itkConceptMacro(InputConvertibleToOutputCheck,
00152 (Concept::Convertible<typename TInputImage::PixelType,
00153 typename TOutputImage::PixelType>));
00154
00156 #endif
00157
00158 protected:
00159 MaskImageFilter() {}
00160 virtual ~MaskImageFilter() {}
00161
00162 void PrintSelf(std::ostream &os, Indent indent) const
00163 {
00164 Superclass::PrintSelf(os, indent);
00165 os << indent << "OutsideValue: " << this->GetOutsideValue() << std::endl;
00166 }
00167
00168 private:
00169 MaskImageFilter(const Self&);
00170 void operator=(const Self&);
00171
00172 };
00173
00174 }
00175
00176
00177 #endif
00178