ITK  4.4.0
Insight Segmentation and Registration Toolkit
itkNumericTraitsRGBAPixel.h
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18 #ifndef __itkNumericTraitsRGBAPixel_h
19 #define __itkNumericTraitsRGBAPixel_h
20 
21 #include "itkNumericTraits.h"
22 #include "itkRGBAPixel.h"
23 
24 namespace itk
25 {
42 template< typename T >
43 class NumericTraits< RGBAPixel< T > >
44 {
45 private:
46 
52 
53 public:
54 
56  typedef T ValueType;
57 
59 
62 
65 
69 
72 
75 
78 
81 
87  static const Self max(const Self &)
88  {
89  return Self( NumericTraits< T >::max() );
90  }
91 
92  static const Self min(const Self &)
93  {
94  return Self( NumericTraits< T >::min() );
95  }
96 
97  static const Self max()
98  {
99  return Self( NumericTraits< T >::max() );
100  }
101 
102  static const Self min()
103  {
104  return Self( NumericTraits< T >::min() );
105  }
106 
107  static const Self NonpositiveMin()
108  {
110  }
111 
112  static const Self ZeroValue()
113  {
115  }
116 
117  static const Self OneValue()
118  {
120  }
121 
122  static const Self NonpositiveMin(const Self &)
123  {
124  return NonpositiveMin();
125  }
126 
127  static const Self ZeroValue(const Self &)
128  {
129  return ZeroValue();
130  }
131 
132  static const Self OneValue(const Self &)
133  {
134  return OneValue();
135  }
136 
140  static void SetLength(RGBAPixel< T > & m, const unsigned int s)
141  {
142  if ( s != 4 )
143  {
144  itkGenericExceptionMacro(<< "Cannot set the size of a RGBAPixel to anything other "
145  "than 4.");
146  }
148  }
150 
152  static unsigned int GetLength(const RGBAPixel< T > &)
153  {
154  return 4;
155  }
156 
158  static unsigned int GetLength()
159  {
160  return 4;
161  }
162 
163  static void AssignToArray( const Self & v, MeasurementVectorType & mv )
164  {
165  mv = v;
166  }
167 
168  template<class TArray>
169  static void AssignToArray( const Self & v, TArray & mv )
170  {
171  for( unsigned int i=0; i<4; i++ )
172  {
173  mv[i] = v[i];
174  }
175  }
176 
180  static const Self ITKCommon_EXPORT Zero;
181  static const Self ITKCommon_EXPORT One;
182 };
183 } // end namespace itk
184 
185 #endif // __itkNumericTraitsRGBAPixel_h
186