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00017 #ifndef __itkAdaptImageFilter_h
00018 #define __itkAdaptImageFilter_h
00019
00020 #include "itkUnaryFunctorImageFilter.h"
00021
00022 namespace itk
00023 {
00024
00025 namespace Functor {
00026
00036 template <class TInput, class TAccessor>
00037 class AccessorFunctor
00038 {
00039 public:
00041 typedef AccessorFunctor Self;
00042 typedef TAccessor AccessorType;
00043
00045 AccessorFunctor(): m_Accessor() {}
00046 ~AccessorFunctor() {}
00048
00050 typedef typename TAccessor::ExternalType OutputType;
00051 inline OutputType operator() ( const TInput & A ) const
00052 {
00053 return m_Accessor.Get( A );
00054 }
00056
00058 AccessorType& GetAccessor()
00059 {
00060 return m_Accessor;
00061 }
00062
00064 AccessorFunctor & operator=( const AccessorFunctor & functor )
00065 {
00066 m_Accessor = functor.m_Accessor;
00067 return *this;
00068 }
00069
00075 void SetAccessor(AccessorType& accessor)
00076 {
00077 m_Accessor = accessor;
00078 }
00079
00081 bool operator!=( const Self& functor ) const
00082 {
00083 return (m_Accessor != functor.m_Accessor);
00084 }
00085 bool operator==( const Self& other ) const
00086 {
00087 return !(*this != other);
00088 }
00090
00091 private:
00092 AccessorType m_Accessor;
00093 };
00094 }
00095
00122 template <class TInputImage, class TOutputImage, class TAccessor>
00123 class ITK_EXPORT AdaptImageFilter:
00124 public UnaryFunctorImageFilter<TInputImage,TOutputImage,Functor::AccessorFunctor<ITK_TYPENAME TInputImage::PixelType, TAccessor> >
00125 {
00126 public:
00128 typedef AdaptImageFilter Self;
00129
00130 typedef UnaryFunctorImageFilter< TInputImage,
00131 TOutputImage,
00132 Functor::AccessorFunctor<
00133 ITK_TYPENAME TInputImage::PixelType,
00134 TAccessor> > Superclass;
00135
00136 typedef SmartPointer<Self> Pointer;
00137 typedef SmartPointer<const Self> ConstPointer;
00138 typedef typename Superclass::FunctorType FunctorType;
00139
00141 itkNewMacro(Self);
00142
00144 typedef TAccessor AccessorType;
00145
00147 itkTypeMacro(AdaptImageFilter, UnaryFunctorImageFilter);
00148
00150 AccessorType& GetAccessor() { return this->GetFunctor().GetAccessor(); };
00151
00153 void SetAccessor(AccessorType& accessor)
00154 {
00155 FunctorType functor;
00156 functor = this->GetFunctor();
00157 if (accessor != functor.GetAccessor())
00158 {
00159 functor.SetAccessor( accessor );
00160 this->SetFunctor( functor );
00161 this->Modified();
00162 }
00163 }
00165
00166 protected:
00167 AdaptImageFilter() {}
00168 virtual ~AdaptImageFilter() {}
00169
00170 private:
00171 AdaptImageFilter(const Self&);
00172 void operator=(const Self&);
00173
00174 };
00175
00176
00177 }
00178
00179 #endif
00180