ITK  5.2.0
Insight Toolkit
itkExpNegativeImageAdaptor.h
Go to the documentation of this file.
1 /*=========================================================================
2  *
3  * Copyright NumFOCUS
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 itkExpNegativeImageAdaptor_h
19 #define itkExpNegativeImageAdaptor_h
20 
21 #include "itkImageAdaptor.h"
22 #include "itkMath.h"
23 
24 namespace itk
25 {
26 namespace Accessor
27 {
40 template <typename TInternalType, typename TExternalType>
42 {
43 public:
44 
47  using ExternalType = TExternalType;
48 
51  using InternalType = TInternalType;
52 
53  static inline void
54  Set(TInternalType & output, const TExternalType & input)
55  {
56  output = static_cast<TInternalType>(std::exp(-static_cast<double>(input)));
57  }
58 
59  static inline TExternalType
60  Get(const TInternalType & input)
61  {
62  return static_cast<TExternalType>(std::exp(-static_cast<double>(input)));
63  }
64 };
65 } // end namespace Accessor
66 
77 template <typename TImage, typename TOutputPixelType>
79  : public ImageAdaptor<TImage, Accessor::ExpNegativePixelAccessor<typename TImage::PixelType, TOutputPixelType>>
80 {
81 public:
82  ITK_DISALLOW_COPY_AND_ASSIGN(ExpNegativeImageAdaptor);
83 
86  using Superclass =
88 
91 
93  itkNewMacro(Self);
94 
97 
98 protected:
99  ExpNegativeImageAdaptor() = default;
100  ~ExpNegativeImageAdaptor() override = default;
101 };
102 } // end namespace itk
103 
104 #endif
itk::Accessor::ExpNegativePixelAccessor::Get
static TExternalType Get(const TInternalType &input)
Definition: itkExpNegativeImageAdaptor.h:60
itk::ExpNegativeImageAdaptor
Presents an image as being composed of the std::exp() of its pixels.
Definition: itkExpNegativeImageAdaptor.h:78
itk::Accessor::ExpNegativePixelAccessor< TImage::PixelType, TOutputPixelType >::InternalType
TImage::PixelType InternalType
Definition: itkExpNegativeImageAdaptor.h:51
itk::SmartPointer< Self >
itkImageAdaptor.h
itk::ImageAdaptor
Give access to partial aspects of voxels from an Image.
Definition: itkImageAdaptor.h:56
itk::ExpNegativeImageAdaptor::~ExpNegativeImageAdaptor
~ExpNegativeImageAdaptor() override=default
itk::ExpNegativeImageAdaptor::ExpNegativeImageAdaptor
ExpNegativeImageAdaptor()=default
itk::Accessor::ExpNegativePixelAccessor
Give access to the std::exp() function of a value.
Definition: itkExpNegativeImageAdaptor.h:41
itk
The "itk" namespace contains all Insight Segmentation and Registration Toolkit (ITK) classes....
Definition: itkAnnulusOperator.h:24
itk::Accessor::ExpNegativePixelAccessor< TImage::PixelType, TOutputPixelType >::ExternalType
TOutputPixelType ExternalType
Definition: itkExpNegativeImageAdaptor.h:47
itk::Accessor::ExpNegativePixelAccessor::Set
static void Set(TInternalType &output, const TExternalType &input)
Definition: itkExpNegativeImageAdaptor.h:54
itk::Object
Base class for most ITK classes.
Definition: itkObject.h:62
itkMath.h
itk::DataObject
Base class for all data objects in ITK.
Definition: itkDataObject.h:293