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 __itkLogImageAdaptor_h 00019 #define __itkLogImageAdaptor_h 00020 00021 #include "itkImageAdaptor.h" 00022 #include "vnl/vnl_math.h" 00023 00024 namespace itk 00025 { 00026 namespace Accessor 00027 { 00040 template< class TInternalType, class TExternalType > 00041 class ITK_EXPORT LogPixelAccessor 00042 { 00043 public: 00046 typedef TExternalType ExternalType; 00047 00050 typedef TInternalType InternalType; 00051 00052 static inline void Set(TInternalType & output, const TExternalType & input) 00053 { output = (TInternalType)vcl_log( (double)input ); } 00054 00055 static inline TExternalType Get(const TInternalType & input) 00056 { return (TExternalType)vcl_log( (double)input ); } 00057 }; 00058 } // end namespace Accessor 00059 00069 template< class TImage, class TOutputPixelType > 00070 class ITK_EXPORT LogImageAdaptor:public 00071 ImageAdaptor< TImage, 00072 Accessor::LogPixelAccessor< 00073 typename TImage::PixelType, 00074 TOutputPixelType > > 00075 { 00076 public: 00078 typedef LogImageAdaptor Self; 00079 typedef ImageAdaptor< TImage, 00080 Accessor::LogPixelAccessor< 00081 typename TImage::PixelType, 00082 TOutputPixelType > > Superclass; 00083 00084 typedef SmartPointer< Self > Pointer; 00085 typedef SmartPointer< const Self > ConstPointer; 00086 00088 itkTypeMacro(LogImageAdaptor, ImageAdaptor); 00089 00091 itkNewMacro(Self); 00092 protected: 00093 LogImageAdaptor() {} 00094 virtual ~LogImageAdaptor() {} 00095 private: 00096 LogImageAdaptor(const Self &); //purposely not implemented 00097 void operator=(const Self &); //purposely not implemented 00098 }; 00099 } // end namespace itk 00101 00102 #endif 00103