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itkSize.h

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00001 /*=========================================================================
00002 
00003   Program:   Insight Segmentation & Registration Toolkit
00004   Module:    $RCSfile: itkSize.h,v $
00005   Language:  C++
00006   Date:      $Date: 2002/05/10 22:56:17 $
00007   Version:   $Revision: 1.15 $
00008 
00009   Copyright (c) 2002 Insight 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 __itkSize_h
00018 #define __itkSize_h
00019 
00020 #include "itkMacro.h"
00021 
00022 namespace itk
00023 {
00024 
00045 template<unsigned int VDimension=2>
00046 class Size {
00047 public:
00049   typedef Size  Self;
00050   
00052   typedef   Size<VDimension>  SizeType;
00053   typedef   unsigned long  SizeValueType;
00054   
00056   static unsigned int GetSizeDimension(void) { return VDimension; }
00057 
00059   const Self
00060   operator+(const Self &vec)
00061     {
00062     Self result;
00063     for (unsigned int i=0; i < VDimension; i++)
00064       { result[i] = m_Size[i] + vec.m_Size[i]; }
00065     return result;
00066     }
00067 
00069   const Self &
00070   operator+=(const Self &vec)
00071     {
00072     for (unsigned int i=0; i < VDimension; i++)
00073       { m_Size[i] += vec.m_Size[i]; }
00074     return *this;
00075     }
00076 
00078   const Self
00079   operator-(const Self &vec)
00080     {
00081     Self result;
00082     for (unsigned int i=0; i < VDimension; i++)
00083       { result[i] = m_Size[i] - vec.m_Size[i]; }
00084     return result;
00085     }
00086 
00088   const Self &
00089   operator-=(const Self &vec)
00090     {
00091     for (unsigned int i=0; i < VDimension; i++)
00092       { m_Size[i] -= vec.m_Size[i]; }
00093     return *this;
00094     }
00095 
00097   const Self
00098   operator*(const Self &vec)
00099     {
00100     Self result;
00101     for (unsigned int i=0; i < VDimension; i++)
00102       { result[i] = m_Size[i] * vec.m_Size[i]; }
00103     return result;
00104     }
00105 
00107   const Self &
00108   operator*=(const Self &vec)
00109     {
00110     for (unsigned int i=0; i < VDimension; i++)
00111       { m_Size[i] *= vec.m_Size[i]; }
00112     return *this;
00113     }
00114 
00116   bool
00117   operator==(const Self &vec) const
00118     {
00119     bool same=1;
00120     for (unsigned int i=0; i < VDimension && same; i++)
00121       { same = (m_Size[i] == vec.m_Size[i]); }
00122     return same;
00123     }
00124 
00126   bool
00127   operator!=(const Self &vec) const
00128     {
00129     bool same=1;
00130     for (unsigned int i=0; i < VDimension && same; i++)
00131       { same = (m_Size[i] == vec.m_Size[i]); }
00132     return !same;
00133     }
00134 
00137   SizeValueType & operator[](unsigned int dim)
00138     { return m_Size[dim]; }
00139 
00143   SizeValueType operator[](unsigned int dim) const
00144     { return m_Size[dim]; }
00145 
00148   const SizeValueType *GetSize() const { return m_Size; };
00149 
00153   void SetSize(const SizeValueType val[VDimension])
00154     { memcpy(m_Size, val, sizeof(SizeValueType)*VDimension); }
00155 
00162   void SetElement(unsigned long element, SizeValueType val )
00163     { m_Size[ element ] = val;  }
00164 
00171   SizeValueType GetElement( unsigned long element ) const
00172     { return m_Size[ element ]; }
00173 
00176   void Fill(SizeValueType value)
00177     { for(unsigned int i=0;i < VDimension; ++i) m_Size[i] = value; }
00178 
00189   SizeValueType m_Size[VDimension];
00190 
00191 };
00192 
00193 
00194 template<unsigned int VDimension>
00195 std::ostream & operator<<(std::ostream &os, const Size<VDimension> &size)
00196 {
00197   os << "[";
00198   for (unsigned int i=0; i+1 < VDimension; ++i)
00199     {
00200     os << size[i] << ", ";
00201     }
00202   if (VDimension >= 1)
00203     {
00204     os << size[VDimension-1];
00205     }
00206   os << "]";
00207   return os;
00208 }
00209 
00210 } // end namespace itk
00211 
00212 #endif 

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