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itkAddPixelAccessor.h

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00001 /*========================================================================= 00002 00003 Program: Insight Segmentation & Registration Toolkit 00004 Module: $RCSfile: itkAddPixelAccessor.h,v $ 00005 Language: C++ 00006 Date: $Date: 2003/09/10 14:29:00 $ 00007 Version: $Revision: 1.2 $ 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 __itkAddPixelAccessor_h 00018 #define __itkAddPixelAccessor_h 00019 00020 00021 00022 namespace itk 00023 { 00024 namespace Accessor 00025 { 00026 00038 template <class TPixel> 00039 class ITK_EXPORT AddPixelAccessor 00040 { 00041 public: 00043 typedef AddPixelAccessor Self; 00044 00047 typedef TPixel ExternalType; 00048 00051 typedef TPixel InternalType; 00052 00054 inline void Set( InternalType & output, const ExternalType & input ) const 00055 { output = static_cast<InternalType>( input - m_Value ); } 00056 00058 inline ExternalType Get( const InternalType & input ) const 00059 { return static_cast<ExternalType>( input + m_Value ); } 00060 00062 void SetValue( TPixel newvalue ) 00063 { m_Value = newvalue; } 00064 00066 TPixel GetValue() 00067 { return m_Value; } 00068 00070 Self & operator=( const Self & apa ) 00071 { this->m_Value = apa.m_Value; 00072 return *this; } 00073 00075 AddPixelAccessor():m_Value( NumericTraits<TPixel>::Zero ) {} 00076 AddPixelAccessor( const Self & apa ):m_Value(apa.m_Value) {} 00077 00078 private: 00079 00080 TPixel m_Value; 00081 00082 }; 00083 00084 00085 00086 } // end namespace Accessor 00087 } // end namespace itk 00088 00089 00090 #endif 00091

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