ITK  4.1.0
Insight Segmentation and Registration Toolkit
itkOrImageFilter.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 __itkOrImageFilter_h
00019 #define __itkOrImageFilter_h
00020 
00021 #include "itkBinaryFunctorImageFilter.h"
00022 #include "itkNumericTraits.h"
00023 
00024 namespace itk
00025 {
00026 namespace Functor
00027 {
00033 template< class TInput1, class TInput2 = TInput1, class TOutput = TInput1 >
00034 class OR
00035 {
00036 public:
00037   OR() {}
00038   ~OR() {}
00039   bool operator!=(const OR &) const
00040   {
00041     return false;
00042   }
00044 
00045   bool operator==(const OR & other) const
00046   {
00047     return !( *this != other );
00048   }
00049 
00050   inline TOutput operator()(const TInput1 & A, const TInput2 & B) const
00051   {
00052     return static_cast< TOutput >( A | B );
00053   }
00054 };
00055 }
00083 template< class TInputImage1, class TInputImage2 = TInputImage1, class TOutputImage = TInputImage1 >
00084 class ITK_EXPORT OrImageFilter:
00085   public
00086   BinaryFunctorImageFilter< TInputImage1, TInputImage2, TOutputImage,
00087                             Functor::OR<
00088                               typename TInputImage1::PixelType,
00089                               typename TInputImage2::PixelType,
00090                               typename TOutputImage::PixelType >   >
00091 
00092 {
00093 public:
00095   typedef OrImageFilter Self;
00096   typedef BinaryFunctorImageFilter<
00097     TInputImage1, TInputImage2, TOutputImage,
00098     Functor::OR< typename TInputImage1::PixelType,
00099                  typename TInputImage2::PixelType,
00100                  typename TOutputImage::PixelType > > Superclass;
00101 
00102   typedef SmartPointer< Self >       Pointer;
00103   typedef SmartPointer< const Self > ConstPointer;
00104 
00106   itkNewMacro(Self);
00107 
00109   itkTypeMacro(OrImageFilter,
00110                BinaryFunctorImageFilter);
00111 
00112 #ifdef ITK_USE_CONCEPT_CHECKING
00113 
00114   itkConceptMacro( Input1Input2OutputLogicalOperatorsCheck,
00115                    ( Concept::LogicalOperators< typename TInputImage1::PixelType,
00116                                                 typename TInputImage2::PixelType,
00117                                                 typename TOutputImage::PixelType > ) );
00118 
00120 #endif
00121 protected:
00122   OrImageFilter() {}
00123   virtual ~OrImageFilter() {}
00124 private:
00125   OrImageFilter(const Self &);  //purposely not implemented
00126   void operator=(const Self &); //purposely not implemented
00127 };
00128 } // end namespace itk
00130 
00131 #endif
00132