ITK
4.1.0
Insight Segmentation and Registration Toolkit
|
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 __itkVectorCastImageFilter_h 00019 #define __itkVectorCastImageFilter_h 00020 00021 #include "itkUnaryFunctorImageFilter.h" 00022 #include "itkNumericTraitsFixedArrayPixel.h" 00023 00024 namespace itk 00025 { 00042 namespace Functor 00043 { 00044 template< class TInput, class TOutput > 00045 class VectorCast 00046 { 00047 public: 00048 VectorCast() {} 00049 ~VectorCast() {} 00050 bool operator!=(const VectorCast &) const 00051 { 00052 return false; 00053 } 00054 00055 bool operator==(const VectorCast & other) const 00056 { 00057 return !( *this != other ); 00058 } 00059 00060 inline TOutput operator()(const TInput & A) const 00061 { 00062 typedef typename TOutput::ValueType OutputValueType; 00063 00064 TOutput value; 00065 for ( unsigned int k = 0; k < TOutput::Dimension; k++ ) 00066 { 00067 value[k] = static_cast< OutputValueType >( A[k] ); 00068 } 00069 return value; 00070 } 00071 }; 00072 } 00073 00074 template< class TInputImage, class TOutputImage > 00075 class ITK_EXPORT VectorCastImageFilter: 00076 public 00077 UnaryFunctorImageFilter< TInputImage, TOutputImage, 00078 Functor::VectorCast< typename TInputImage::PixelType, 00079 typename TOutputImage::PixelType > > 00080 { 00081 public: 00083 typedef VectorCastImageFilter Self; 00084 typedef UnaryFunctorImageFilter< 00085 TInputImage, TOutputImage, 00086 Functor::VectorCast< typename TInputImage::PixelType, 00087 typename TOutputImage::PixelType > > Superclass; 00088 00089 typedef SmartPointer< Self > Pointer; 00090 typedef SmartPointer< const Self > ConstPointer; 00091 00093 itkNewMacro(Self); 00094 00096 itkTypeMacro(VectorCastImageFilter, 00097 UnaryFunctorImageFilter); 00098 00099 #ifdef ITK_USE_CONCEPT_CHECKING 00100 00101 itkConceptMacro( InputHasNumericTraitsCheck, 00102 ( Concept::HasNumericTraits< typename TInputImage::PixelType::ValueType > ) ); 00103 itkConceptMacro( OutputHasNumericTraitsCheck, 00104 ( Concept::HasNumericTraits< typename TOutputImage::PixelType::ValueType > ) ); 00105 itkConceptMacro( InputConvertibleToOutputCheck, 00106 ( Concept::Convertible< typename TInputImage::PixelType::ValueType, 00107 typename TOutputImage::PixelType::ValueType > ) ); 00108 00110 #endif 00111 protected: 00112 VectorCastImageFilter() {} 00113 virtual ~VectorCastImageFilter() {} 00114 private: 00115 VectorCastImageFilter(const Self &); //purposely not implemented 00116 void operator=(const Self &); //purposely not implemented 00117 }; 00118 } // end namespace itk 00120 00121 #endif 00122