ITK  4.1.0
Insight Segmentation and Registration Toolkit
itkNotImageFilter.h
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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 __itkNotImageFilter_h
00019 #define __itkNotImageFilter_h
00020 
00021 #include "itkUnaryFunctorImageFilter.h"
00022 #include "itkNumericTraits.h"
00023 
00024 namespace itk
00025 {
00026 namespace Functor
00027 {
00033 template< class TInput, class TOutput = TInput >
00034 class NOT
00035 {
00036 public:
00037   NOT() {}
00038   ~NOT() {}
00039   bool operator!=(const NOT &) const
00040   {
00041     return false;
00042   }
00044 
00045   bool operator==(const NOT & other) const
00046   {
00047     return !( *this != other );
00048   }
00049 
00050   inline TOutput operator()(const TInput & A) const
00051   {
00052     return static_cast< TOutput >( !A );
00053   }
00054 };
00055 }
00079 template< class TInputImage, class TOutputImage >
00080 class ITK_EXPORT NotImageFilter:
00081   public
00082   UnaryFunctorImageFilter< TInputImage, TOutputImage,
00083                            Functor::NOT<
00084                              typename TInputImage::PixelType,
00085                              typename TOutputImage::PixelType >   >
00086 
00087 {
00088 public:
00090   typedef NotImageFilter Self;
00091   typedef UnaryFunctorImageFilter<
00092     TInputImage, TOutputImage,
00093     Functor::NOT<
00094       typename TInputImage::PixelType,
00095       typename TOutputImage::PixelType >
00096     >                               Superclass;
00097 
00098   typedef SmartPointer< Self >       Pointer;
00099   typedef SmartPointer< const Self > ConstPointer;
00100 
00102   itkNewMacro(Self);
00103 
00105   itkTypeMacro(NotImageFilter,
00106                UnaryFunctorImageFilter);
00107 
00108 #ifdef ITK_USE_CONCEPT_CHECKING
00109 
00110   itkConceptMacro( InputConvertibleToOutputCheck,
00111                    ( Concept::Convertible< typename TInputImage::PixelType,
00112                                            typename TOutputImage::PixelType > ) );
00113   itkConceptMacro( InputNotOperatorCheck,
00114                    ( Concept::NotOperator< typename TInputImage::PixelType > ) );
00115 
00117 #endif
00118 protected:
00119   NotImageFilter() {}
00120   virtual ~NotImageFilter() {}
00121 private:
00122   NotImageFilter(const Self &); //purposely not implemented
00123   void operator=(const Self &); //purposely not implemented
00124 };
00125 } // end namespace itk
00127 
00128 #endif
00129