ITK  4.2.0
Insight Segmentation and Registration Toolkit
itkDefaultVectorPixelAccessor.h
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1 /*=========================================================================
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3  * Copyright Insight Software Consortium
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5  * Licensed under the Apache License, Version 2.0 (the "License");
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14  * See the License for the specific language governing permissions and
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18 #ifndef __itkDefaultVectorPixelAccessor_h
19 #define __itkDefaultVectorPixelAccessor_h
20 
21 #include "itkMacro.h"
23 #include "itkIntTypes.h"
24 
25 namespace itk
26 {
49 template< class TType >
51 {
52 public:
53 
54  typedef unsigned int VectorLengthType;
55 
61 
63  typedef TType InternalType;
64 
66  inline void Set(InternalType & output, const ExternalType & input,
67  const unsigned long offset) const
68  {
69  InternalType *truePixel = ( &output ) + offset * m_OffsetMultiplier;
70 
71  for ( VectorLengthType i = 0; i < m_VectorLength; i++ )
72  {
73  truePixel[i] = input[i];
74  }
75  }
76 
78  inline ExternalType Get(const InternalType & input, const SizeValueType offset) const
79  {
80  ExternalType output( ( &input ) + ( offset * m_OffsetMultiplier ), m_VectorLength );
81 
82  return output;
83  }
84 
86  void SetVectorLength(VectorLengthType l)
87  {
88  m_VectorLength = l;
89  m_OffsetMultiplier = ( l - 1 );
90  }
92 
94  VectorLengthType GetVectorLength() const { return m_VectorLength; }
95 
96  DefaultVectorPixelAccessor() : m_VectorLength(0), m_OffsetMultiplier(0) {}
97 
100  {
101  m_VectorLength = l;
102  m_OffsetMultiplier = l - 1;
103  }
104 
106 private:
109 };
110 } // end namespace itk
111 
112 #endif
113