ITK
4.1.0
Insight Segmentation and Registration Toolkit
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00001 /*========================================================================= 00002 * 00003 * Copyright Insight Software Consortium 00004 * 00005 * Licensed under the Apache License, Version 2.0 (the "License"); 00006 * you may not use this file except in compliance with the License. 00007 * You may obtain a copy of the License at 00008 * 00009 * http://www.apache.org/licenses/LICENSE-2.0.txt 00010 * 00011 * Unless required by applicable law or agreed to in writing, software 00012 * distributed under the License is distributed on an "AS IS" BASIS, 00013 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. 00014 * See the License for the specific language governing permissions and 00015 * limitations under the License. 00016 * 00017 *=========================================================================*/ 00018 #ifndef __itkChainCodePath_h 00019 #define __itkChainCodePath_h 00020 00021 #include "itkPath.h" 00022 #include "itkOffset.h" 00023 #include "itkObjectFactory.h" 00024 00025 #include <vector> 00026 00027 namespace itk 00028 { 00048 template< unsigned int VDimension > 00049 class ITK_EXPORT ChainCodePath:public 00050 Path< unsigned int, Offset< VDimension >, VDimension > 00051 { 00052 public: 00054 itkStaticConstMacro(Dimension, unsigned int, VDimension); 00055 00057 typedef ChainCodePath< VDimension > Self; 00058 typedef Path< unsigned int, Offset< VDimension >, VDimension > Superclass; 00059 00060 typedef SmartPointer< Self > Pointer; 00061 typedef SmartPointer< const Self > ConstPointer; 00062 00064 itkTypeMacro(ChainCodePath, Path); 00065 00067 typedef typename Superclass::OutputType OutputType; 00068 typedef typename Superclass::InputType InputType; 00069 00071 typedef OutputType OffsetType; 00072 typedef Index< VDimension > IndexType; 00073 00074 typedef std::vector< OffsetType > ChainCodeType; 00075 00076 typedef typename ChainCodeType::size_type ChainCodeSizeType; 00077 00078 // Functions inherited from Path 00079 00081 virtual OutputType Evaluate(const InputType & input) const 00082 { 00083 return m_Chain[input]; 00084 } 00085 00087 virtual IndexType EvaluateToIndex(const InputType & input) const; 00088 00093 virtual OffsetType IncrementInput(InputType & input) const; 00094 00096 virtual inline InputType EndOfInput() const 00097 { 00098 return NumberOfSteps(); // 0 is before the first step, 1 is after it 00099 } 00100 00102 itkNewMacro(Self); 00103 00105 itkSetMacro(Start, IndexType); 00106 itkGetConstReferenceMacro(Start, IndexType); 00108 00110 virtual inline void InsertStep(InputType position, OffsetType step) 00111 { 00112 m_Chain.insert(m_Chain.begin() + position, step); 00113 this->Modified(); 00114 } 00116 00118 virtual inline void ChangeStep(InputType position, OffsetType step) 00119 { 00120 m_Chain[position] = step; 00121 this->Modified(); 00122 } 00124 00126 virtual inline void Clear() 00127 { 00128 m_Chain.clear(); 00129 this->Modified(); 00130 } 00132 00134 virtual inline ChainCodeSizeType NumberOfSteps() const 00135 { 00136 return m_Chain.size(); 00137 } 00138 00140 virtual void Initialize(void) 00141 { 00142 m_Start = this->GetZeroIndex(); 00143 this->Clear(); 00144 } 00146 00147 protected: 00148 ChainCodePath(); 00149 ~ChainCodePath() {} 00150 void PrintSelf(std::ostream & os, Indent indent) const; 00151 00152 private: 00153 ChainCodePath(const Self &); //purposely not implemented 00154 void operator=(const Self &); //purposely not implemented 00155 00156 IndexType m_Start; // origin image index for the path 00157 ChainCodeType m_Chain; // the chain code (vector of offsets) 00158 }; 00159 } // end namespace itk 00160 00161 // Define instantiation macro for this template. 00162 #define ITK_TEMPLATE_ChainCodePath(_, EXPORT, TypeX, TypeY) \ 00163 namespace itk \ 00164 { \ 00165 _( 1 ( class EXPORT ChainCodePath< ITK_TEMPLATE_1 TypeX > ) ) \ 00166 namespace Templates \ 00167 { \ 00168 typedef ChainCodePath< ITK_TEMPLATE_1 TypeX > \ 00169 ChainCodePath##TypeY; \ 00170 } \ 00171 } 00172 00173 #if ITK_TEMPLATE_EXPLICIT 00174 #include "Templates/itkChainCodePath+-.h" 00175 #endif 00176 00177 #if ITK_TEMPLATE_TXX 00178 #include "itkChainCodePath.hxx" 00179 #endif 00180 00181 #endif 00182