00001 /*========================================================================= 00002 00003 Program: Insight Segmentation & Registration Toolkit 00004 Module: $RCSfile: itkPath.h,v $ 00005 Language: C++ 00006 Date: $Date: 2004/12/05 04:16:33 $ 00007 Version: $Revision: 1.7 $ 00008 00009 Copyright (c) Insight Software Consortium. All rights reserved. 00010 See ITKCopyright.txt or http://www.itk.org/HTML/Copyright.htm for details. 00011 00012 This software is distributed WITHOUT ANY WARRANTY; without even 00013 the implied warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR 00014 PURPOSE. See the above copyright notices for more information. 00015 00016 =========================================================================*/ 00017 00018 #ifndef _itkPath_h 00019 #define _itkPath_h 00020 00021 //#include "itkFunctionBase.h" 00022 #include "itkDataObject.h" 00023 #include "itkIndex.h" 00024 #include "itkOffset.h" 00025 #include "itkNumericTraits.h" 00026 00027 namespace itk 00028 { 00029 00030 00050 template <class TInput, class TOutput, unsigned int VDimension> 00051 class ITK_EXPORT Path : public DataObject 00052 { 00053 public: 00055 typedef Path Self; 00056 typedef DataObject Superclass; 00057 typedef SmartPointer<Self> Pointer; 00058 typedef SmartPointer<const Self> ConstPointer; 00059 00061 itkTypeMacro(Path, FunctionBase); 00062 00064 typedef TInput InputType; 00065 00067 typedef TOutput OutputType; 00068 00069 00071 typedef Index< VDimension > IndexType; 00072 typedef Offset< VDimension > OffsetType; 00073 00074 00078 virtual inline InputType StartOfInput() const 00079 { 00080 return NumericTraits<InputType>::Zero; 00081 } 00082 00085 virtual inline InputType EndOfInput() const 00086 { 00087 return NumericTraits<InputType>::One; 00088 } 00089 00092 virtual OutputType Evaluate( const InputType & input ) const = 0; 00093 00095 virtual IndexType EvaluateToIndex( const InputType & input ) const = 0; 00096 00105 virtual OffsetType IncrementInput(InputType & input) const = 0; 00106 00107 00108 protected: 00109 Path(); 00110 ~Path(){} 00111 00112 void PrintSelf(std::ostream& os, Indent indent) const; 00113 00114 itkGetConstMacro(ZeroOffset,OffsetType); 00115 itkGetConstMacro(ZeroIndex,IndexType); 00116 00117 private: 00118 Path(const Self&); //purposely not implemented 00119 void operator=(const Self&); //purposely not implemented 00120 00121 // These "constants" are initialized in the constructor 00122 OffsetType m_ZeroOffset; // = 0 for all dimensions 00123 IndexType m_ZeroIndex; // = 0 for all dimensions 00124 00125 }; 00126 00127 } // namespace itk 00128 00129 #ifndef ITK_MANUAL_INSTANTIATION 00130 #include "itkPath.txx" 00131 #endif 00132 00133 #endif