ITK  4.4.0
Insight Segmentation and Registration Toolkit
itkRoundImageFilter.h
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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 __itkRoundImageFilter_h
19 #define __itkRoundImageFilter_h
20 
22 #include "itkMath.h"
23 
24 namespace itk
25 {
26 namespace Functor
27 {
33 template< class TInput, class TOutput >
34 class Round
35 {
36 public:
37  Round() {}
38  ~Round() {}
39  bool operator!=(const Round &) const
40  {
41  return false;
42  }
44 
45  bool operator==(const Round & other) const
46  {
47  return !( *this != other );
48  }
49 
50  inline TOutput operator()(const TInput & A) const
51  {
52  return itk::Math::Round<TOutput,TInput>( A );
53  }
54 };
55 }
65 template< class TInputImage, class TOutputImage >
66 class ITK_EXPORT RoundImageFilter:
67  public
68  UnaryFunctorImageFilter< TInputImage, TOutputImage,
69  Functor::Round< typename TInputImage::PixelType,
70  typename TOutputImage::PixelType > >
71 {
72 public:
76  TInputImage, TOutputImage,
77  Functor::Round< typename TInputImage::PixelType,
78  typename TOutputImage::PixelType > > Superclass;
79 
82 
84  itkNewMacro(Self);
85 
87  itkTypeMacro(RoundImageFilter,
89 
90 protected:
92  virtual ~RoundImageFilter() {}
93 
94 private:
95  RoundImageFilter(const Self &); //purposely not implemented
96  void operator=(const Self &); //purposely not implemented
97 };
98 } // end namespace itk
99 
100 #endif
101