00001 /*========================================================================= 00002 00003 Program: Insight Segmentation & Registration Toolkit 00004 Module: $RCSfile: itkLabelObjectAccessors.h,v $ 00005 Language: C++ 00006 Date: $Date: 2009-08-12 12:57:42 $ 00007 Version: $Revision: 1.6 $ 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 #ifndef __itkLabelObjectAccessors_h 00018 #define __itkLabelObjectAccessors_h 00019 00020 00021 namespace itk 00022 { 00023 00024 00025 namespace Functor 00026 { 00027 00028 template< class TLabelObject > 00029 class ITK_EXPORT LabelLabelObjectAccessor 00030 { 00031 public: 00032 typedef TLabelObject LabelObjectType; 00033 typedef typename LabelObjectType::LabelType AttributeValueType; 00034 00035 inline AttributeValueType operator()( const LabelObjectType * labelObject ) const 00036 { 00037 return labelObject->GetLabel(); 00038 } 00039 }; 00040 00041 template< class TLabelObject > 00042 class ITK_EXPORT NumberOfLinesLabelObjectAccessor 00043 { 00044 public: 00045 typedef TLabelObject LabelObjectType; 00046 typedef int AttributeValueType; 00047 00048 inline AttributeValueType operator()( const LabelObjectType * labelObject ) const 00049 { 00050 return labelObject->GetNumberOfLines(); 00051 } 00052 }; 00053 00054 template< class TLabelObject, class TAttributeAccessor > 00055 class LabelObjectComparator 00056 { 00057 public: 00058 typedef TLabelObject LabelObjectType; 00059 typedef TAttributeAccessor AttributeAccessorType; 00060 bool operator()( const LabelObjectType * a, const LabelObjectType * b ) const 00061 { 00062 return m_Accessor( a ) > m_Accessor( b ); 00063 } 00064 LabelObjectComparator() {} 00065 LabelObjectComparator(LabelObjectComparator const& from) 00066 { 00067 m_Accessor = from.m_Accessor; 00068 } 00069 private: 00070 AttributeAccessorType m_Accessor; 00071 }; 00072 00073 template< class TLabelObject, class TAttributeAccessor > 00074 class LabelObjectReverseComparator 00075 { 00076 public: 00077 typedef TLabelObject LabelObjectType; 00078 typedef TAttributeAccessor AttributeAccessorType; 00079 bool operator()( const LabelObjectType * a, const LabelObjectType * b ) const 00080 { 00081 return m_Accessor( a ) < m_Accessor( b ); 00082 } 00083 00084 LabelObjectReverseComparator() {} 00085 LabelObjectReverseComparator(LabelObjectReverseComparator const& from) 00086 { 00087 m_Accessor = from.m_Accessor; 00088 } 00089 private: 00090 AttributeAccessorType m_Accessor; 00091 }; 00092 00093 } 00094 00095 00096 } // end namespace itk 00097 00098 #endif 00099