ITK
4.1.0
Insight Segmentation and Registration Toolkit
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00001 /*========================================================================= 00002 * 00003 * Copyright Insight Software Consortium 00004 * 00005 * Licensed under the Apache License, Version 2.0 (the "License"); 00006 * you may not use this file except in compliance with the License. 00007 * You may obtain a copy of the License at 00008 * 00009 * http://www.apache.org/licenses/LICENSE-2.0.txt 00010 * 00011 * Unless required by applicable law or agreed to in writing, software 00012 * distributed under the License is distributed on an "AS IS" BASIS, 00013 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. 00014 * See the License for the specific language governing permissions and 00015 * limitations under the License. 00016 * 00017 *=========================================================================*/ 00018 #ifndef __itkNumericTraitsRGBAPixel_h 00019 #define __itkNumericTraitsRGBAPixel_h 00020 00021 #include "itkNumericTraits.h" 00022 #include "itkRGBAPixel.h" 00023 00024 namespace itk 00025 { 00042 template< typename T > 00043 class NumericTraits< RGBAPixel< T > > 00044 { 00045 private: 00046 00047 typedef typename NumericTraits< T >::AbsType ElementAbsType; 00048 typedef typename NumericTraits< T >::AccumulateType ElementAccumulateType; 00049 typedef typename NumericTraits< T >::FloatType ElementFloatType; 00050 typedef typename NumericTraits< T >::PrintType ElementPrintType; 00051 typedef typename NumericTraits< T >::RealType ElementRealType; 00052 public: 00053 00055 typedef T ValueType; 00056 00057 typedef RGBAPixel< T > Self; 00058 00060 typedef RGBAPixel< ElementAbsType > AbsType; 00061 00063 typedef RGBAPixel< ElementAccumulateType > AccumulateType; 00064 00067 typedef RGBAPixel< ElementFloatType > FloatType; 00068 00070 typedef RGBAPixel< ElementPrintType > PrintType; 00071 00073 typedef RGBAPixel< ElementRealType > RealType; 00074 00076 typedef ElementRealType ScalarRealType; 00077 00079 typedef Self MeasurementVectorType; 00080 00086 static const Self max(const Self &) 00087 { 00088 return Self( NumericTraits< T >::max() ); 00089 } 00090 00091 static const Self min(const Self &) 00092 { 00093 return Self( NumericTraits< T >::min() ); 00094 } 00095 00096 static const Self max() 00097 { 00098 return Self( NumericTraits< T >::max() ); 00099 } 00100 00101 static const Self min() 00102 { 00103 return Self( NumericTraits< T >::min() ); 00104 } 00105 00106 static const Self NonpositiveMin() 00107 { 00108 return Self ( NumericTraits< ValueType >::NonpositiveMin() ); 00109 } 00110 00111 static const Self ZeroValue() 00112 { 00113 return Self(NumericTraits< T >::Zero); 00114 } 00115 00116 static const Self OneValue() 00117 { 00118 return Self(NumericTraits< T >::One); 00119 } 00120 00121 static const Self NonpositiveMin(const Self &) 00122 { 00123 return NonpositiveMin(); 00124 } 00125 00126 static const Self ZeroValue(const Self &) 00127 { 00128 return ZeroValue(); 00129 } 00130 00131 static const Self OneValue(const Self &) 00132 { 00133 return OneValue(); 00134 } 00135 00139 static void SetLength(RGBAPixel< T > & m, const unsigned int s) 00140 { 00141 if ( s != 4 ) 00142 { 00143 itkGenericExceptionMacro(<< "Cannot set the size of a RGBAPixel to anything other " 00144 "than 4."); 00145 } 00146 m.Fill(NumericTraits< T >::Zero); 00147 } 00149 00151 static unsigned int GetLength(const RGBAPixel< T > &) 00152 { 00153 return 4; 00154 } 00155 00157 static unsigned int GetLength() 00158 { 00159 return 4; 00160 } 00161 00162 static void AssignToArray( const Self & v, MeasurementVectorType & mv ) 00163 { 00164 mv = v; 00165 } 00166 00167 template<class TArray> 00168 static void AssignToArray( const Self & v, TArray & mv ) 00169 { 00170 for( unsigned int i=0; i<4; i++ ) 00171 { 00172 mv[i] = v[i]; 00173 } 00174 } 00175 00179 static const Self ITKCommon_EXPORT Zero; 00180 static const Self ITKCommon_EXPORT One; 00181 }; 00182 } // end namespace itk 00183 00184 #endif // __itkNumericTraitsRGBAPixel_h 00185