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 __itkAbsImageFilter_h 00019 #define __itkAbsImageFilter_h 00020 00021 #include "itkUnaryFunctorImageFilter.h" 00022 #include "itkConceptChecking.h" 00023 00024 namespace itk 00025 { 00026 namespace Functor 00027 { 00032 template< class TInput, class TOutput > 00033 class Abs 00034 { 00035 public: 00036 Abs() {} 00037 ~Abs() {} 00038 bool operator!=(const Abs &) const 00039 { 00040 return false; 00041 } 00042 00043 bool operator==(const Abs & other) const 00044 { 00045 return !( *this != other ); 00046 } 00047 00048 inline TOutput operator()(const TInput & A) const 00049 { 00050 return static_cast<TOutput>( vnl_math_abs( A ) ); 00051 } 00052 }; 00053 } 00054 00068 template< class TInputImage, class TOutputImage > 00069 class ITK_EXPORT AbsImageFilter: 00070 public 00071 UnaryFunctorImageFilter< TInputImage, TOutputImage, 00072 Functor::Abs< 00073 typename TInputImage::PixelType, 00074 typename TOutputImage::PixelType > > 00075 { 00076 public: 00078 typedef AbsImageFilter Self; 00079 typedef UnaryFunctorImageFilter< TInputImage, TOutputImage, 00080 Functor::Abs< typename TInputImage::PixelType, 00081 typename TOutputImage::PixelType > > Superclass; 00082 typedef SmartPointer< Self > Pointer; 00083 typedef SmartPointer< const Self > ConstPointer; 00084 00086 itkNewMacro(Self); 00087 00089 itkTypeMacro(AbsImageFilter, 00090 UnaryFunctorImageFilter); 00091 00092 typedef typename TInputImage::PixelType InputPixelType; 00093 typedef typename TOutputImage::PixelType OutputPixelType; 00094 00095 #ifdef ITK_USE_CONCEPT_CHECKING 00096 00097 itkConceptMacro( ConvertibleCheck, 00098 ( Concept::Convertible< InputPixelType, OutputPixelType > ) ); 00099 itkConceptMacro( InputGreaterThanIntCheck, 00100 ( Concept::GreaterThanComparable< InputPixelType, InputPixelType > ) ); 00101 00103 #endif 00104 protected: 00105 AbsImageFilter() {} 00106 virtual ~AbsImageFilter() {} 00107 private: 00108 AbsImageFilter(const Self &); //purposely not implemented 00109 void operator=(const Self &); //purposely not implemented 00110 }; 00111 } // end namespace itk 00113 00114 #endif 00115