1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
|
/*=========================================================================
Program: Insight Segmentation & Registration Toolkit
Module: $RCSfile: itkExpImageAdaptor.h,v $
Language: C++
Date: $Date: 2006-03-19 04:36:58 $
Version: $Revision: 1.12 $
Copyright (c) Insight Software Consortium. All rights reserved.
See ITKCopyright.txt or http://www.itk.org/HTML/Copyright.htm for details.
This software is distributed WITHOUT ANY WARRANTY; without even
the implied warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR
PURPOSE. See the above copyright notices for more information.
=========================================================================*/
#ifndef __itkExpImageAdaptor_h
#define __itkExpImageAdaptor_h
#include <itkImageAdaptor.h>
#include "vnl/vnl_math.h"
namespace itk
{
namespace Accessor {
/** \class ExpPixelAccessor
* \brief Give access to the vcl_exp() function of a value
*
* ExpPixelAccessor is templated over an internal type and an
* external type representation. This class cast the input
* applies the funtion to it and cast the result according
* to the types defined as template parameters
*
* \ingroup ImageAdaptors
*/
template <class TInternalType, class TExternalType >
class ITK_EXPORT ExpPixelAccessor
{
public:
/** External typedef. It defines the external aspect
* that this class will exhibit. */
typedef TExternalType ExternalType;
/** Internal typedef. It defines the internal real
* representation of data. */
typedef TInternalType InternalType;
static inline void Set(TInternalType & output, const TExternalType & input)
{output = (TInternalType)vcl_exp((double)input);}
static inline TExternalType Get( const TInternalType & input )
{return (TExternalType)vcl_exp((double)input);}
};
} // end namespace Accessor
/** \class ExpImageAdaptor
* \brief Presents an image as being composed of the vcl_exp() of its pixels
*
* Additional casting is performed according to the input and output image
* types following C++ default casting rules.
*
* \ingroup ImageAdaptors
*/
template <class TImage, class TOutputPixelType>
class ITK_EXPORT ExpImageAdaptor : public
ImageAdaptor<TImage,Accessor::ExpPixelAccessor<
typename TImage::PixelType,
TOutputPixelType> >
{
public:
/** Standard class typedefs. */
typedef ExpImageAdaptor Self;
typedef ImageAdaptor<TImage,Accessor::ExpPixelAccessor<
typename TImage::PixelType,
TOutputPixelType> > Superclass;
typedef SmartPointer<Self> Pointer;
typedef SmartPointer<const Self> ConstPointer;
/** Method for creation through the object factory. */
itkNewMacro(Self);
/** Run-time type information (and related methods). */
itkTypeMacro( ExpImageAdaptor, ImageAdaptor );
protected:
ExpImageAdaptor() {}
virtual ~ExpImageAdaptor() {}
private:
ExpImageAdaptor(const Self&); //purposely not implemented
void operator=(const Self&); //purposely not implemented
};
} // end namespace itk
#endif
|
