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00017 #ifndef __itkMaximumImageFilter_h
00018 #define __itkMaximumImageFilter_h
00019
00020 #include "itkBinaryFunctorImageFilter.h"
00021
00022 namespace itk
00023 {
00024
00037 namespace Function {
00038
00039 template< class TInput1, class TInput2=TInput1, class TOutput=TInput1>
00040 class Maximum
00041 {
00042 public:
00043 Maximum() {}
00044 ~Maximum() {}
00045 bool operator!=( const Maximum & ) const
00046 {
00047 return false;
00048 }
00049 bool operator==( const Maximum & other ) const
00050 {
00051 return !(*this != other);
00052 }
00053 inline TOutput operator()( const TInput1 & A, const TInput2 & B) const
00054 {
00055 if(A > B)
00056 {
00057 return static_cast<TOutput>(A);
00058 }
00059 else
00060 {
00061 return static_cast<TOutput>(B);
00062 }
00063 }
00064 };
00065 }
00066
00067 template <class TInputImage1, class TInputImage2=TInputImage1, class TOutputImage=TInputImage1>
00068 class ITK_EXPORT MaximumImageFilter :
00069 public
00070 BinaryFunctorImageFilter<TInputImage1,TInputImage2,TOutputImage,
00071 Function::Maximum<
00072 typename TInputImage1::PixelType,
00073 typename TInputImage2::PixelType,
00074 typename TOutputImage::PixelType> >
00075 {
00076 public:
00078 typedef MaximumImageFilter Self;
00079 typedef BinaryFunctorImageFilter<TInputImage1,TInputImage2,TOutputImage,
00080 Function::Maximum<
00081 typename TInputImage1::PixelType,
00082 typename TInputImage2::PixelType,
00083 typename TOutputImage::PixelType>
00084 > Superclass;
00085 typedef SmartPointer<Self> Pointer;
00086 typedef SmartPointer<const Self> ConstPointer;
00087
00089 itkNewMacro(Self);
00090
00092 itkTypeMacro(MaximumImageFilter,
00093 BinaryFunctorImageFilter);
00094
00095 #ifdef ITK_USE_CONCEPT_CHECKING
00096
00097 itkConceptMacro(Input1ConvertibleToOutputCheck,
00098 (Concept::Convertible<typename TInputImage1::PixelType,
00099 typename TOutputImage::PixelType>));
00100 itkConceptMacro(Input2ConvertibleToOutputCheck,
00101 (Concept::Convertible<typename TInputImage2::PixelType,
00102 typename TOutputImage::PixelType>));
00103 itkConceptMacro(Input1GreaterThanInput2Check,
00104 (Concept::GreaterThanComparable<typename TInputImage1::PixelType,
00105 typename TInputImage2::PixelType>));
00106
00108 #endif
00109
00110 protected:
00111 MaximumImageFilter() {}
00112 virtual ~MaximumImageFilter() {}
00113
00114 private:
00115 MaximumImageFilter(const Self&);
00116 void operator=(const Self&);
00117
00118 };
00119
00120 }
00121
00122
00123 #endif
00124