ITK  4.4.0
Insight Segmentation and Registration Toolkit
itkAbsImageAdaptor.h
Go to the documentation of this file.
1 /*=========================================================================
2  *
3  * Copyright Insight Software Consortium
4  *
5  * Licensed under the Apache License, Version 2.0 (the "License");
6  * you may not use this file except in compliance with the License.
7  * You may obtain a copy of the License at
8  *
9  * http://www.apache.org/licenses/LICENSE-2.0.txt
10  *
11  * Unless required by applicable law or agreed to in writing, software
12  * distributed under the License is distributed on an "AS IS" BASIS,
13  * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
14  * See the License for the specific language governing permissions and
15  * limitations under the License.
16  *
17  *=========================================================================*/
18 #ifndef __itkAbsImageAdaptor_h
19 #define __itkAbsImageAdaptor_h
20 
21 #include "itkImageAdaptor.h"
22 
23 namespace itk
24 {
25 namespace Accessor
26 {
38 template< class TInternalType, class TExternalType >
39 class ITK_EXPORT AbsPixelAccessor
40 {
41 public:
44  typedef TExternalType ExternalType;
45 
48  typedef TInternalType InternalType;
49 
50  static inline void Set(TInternalType & output, const TExternalType & input)
51  {
52  output = (TInternalType)(
53  ( input > NumericTraits< TExternalType >::Zero ) ? input : -input );
54  }
55 
56  static inline TExternalType Get(const TInternalType & input)
57  {
58  return (TExternalType)(
59  ( input > NumericTraits< TInternalType >::Zero ) ? input : -input );
60  }
61 };
62 } // end namespace Accessor
63 
73 template< class TImage, class TOutputPixelType >
74 class ITK_EXPORT AbsImageAdaptor:public
75  ImageAdaptor< TImage,
76  Accessor::AbsPixelAccessor<
77  typename TImage::PixelType,
78  TOutputPixelType > >
79 {
80 public:
84  typename TImage::PixelType,
85  TOutputPixelType > > Superclass;
86 
89 
91  itkNewMacro(Self);
92 
94  itkTypeMacro(AbsImageAdaptor, ImageAdaptor);
95 
96 protected:
98  virtual ~AbsImageAdaptor() {}
99 
100 private:
101  AbsImageAdaptor(const Self &); //purposely not implemented
102  void operator=(const Self &); //purposely not implemented
103 };
104 } // end namespace itk
105 
106 #endif
107