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GFitsImageSByte.hpp
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1 /***************************************************************************
2  * GFitsImageSByte.hpp - Signed Byte FITS image class *
3  * ----------------------------------------------------------------------- *
4  * copyright (C) 2010-2017 by Juergen Knoedlseder *
5  * ----------------------------------------------------------------------- *
6  * *
7  * This program is free software: you can redistribute it and/or modify *
8  * it under the terms of the GNU General Public License as published by *
9  * the Free Software Foundation, either version 3 of the License, or *
10  * (at your option) any later version. *
11  * *
12  * This program is distributed in the hope that it will be useful, *
13  * but WITHOUT ANY WARRANTY; without even the implied warranty of *
14  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the *
15  * GNU General Public License for more details. *
16  * *
17  * You should have received a copy of the GNU General Public License *
18  * along with this program. If not, see <http://www.gnu.org/licenses/>. *
19  * *
20  ***************************************************************************/
21 /**
22  * @file GFitsImageSByte.hpp
23  * @brief Signed Byte FITS image class definition
24  * @author Juergen Knoedlseder
25  */
26 
27 #ifndef GFITSIMAGESBYTE_HPP
28 #define GFITSIMAGESBYTE_HPP
29 
30 /* __ Includes ___________________________________________________________ */
31 #include "GFitsImage.hpp"
32 
33 
34 /***********************************************************************//**
35  * @class GFitsImageSByte
36  *
37  * @brief Signed Byte FITS image class
38  ***************************************************************************/
39 class GFitsImageSByte : public GFitsImage {
40 
41 public:
42  // Constructors and destructors
43  GFitsImageSByte(void);
44  GFitsImageSByte(const int& nx, const char* pixels = NULL);
45  GFitsImageSByte(const int& nx, const int& ny, const char* pixels = NULL);
46  GFitsImageSByte(const int& nx, const int& ny, const int& nz, const char* pixels = NULL);
47  GFitsImageSByte(const int& nx, const int& ny, const int& nz, const int& nt, const char* pixels = NULL);
48  GFitsImageSByte(const std::vector<int>& naxes, const char* pixels = NULL);
49  GFitsImageSByte(const GFitsImage& image);
50  GFitsImageSByte(const GFitsImageSByte& image);
51  virtual ~GFitsImageSByte(void);
52 
53  // Operators
55  char& operator()(const int& ix);
56  char& operator()(const int& ix, const int& iy);
57  char& operator()(const int& ix, const int& iy, const int& iz);
58  char& operator()(const int& ix, const int& iy, const int& iz, const int& it);
59  const char& operator()(const int& ix) const;
60  const char& operator()(const int& ix, const int& iy) const;
61  const char& operator()(const int& ix, const int& iy, const int& iz) const;
62  const char& operator()(const int& ix, const int& iy, const int& iz, const int& it) const;
63 
64  // Methods
65  void clear(void);
66  GFitsImageSByte* clone(void) const;
67  std::string classname(void) const;
68  char& at(const int& ix);
69  char& at(const int& ix, const int& iy);
70  char& at(const int& ix, const int& iy, const int& iz);
71  char& at(const int& ix, const int& iy, const int& iz, const int& it);
72  const char& at(const int& ix) const;
73  const char& at(const int& ix, const int& iy) const;
74  const char& at(const int& ix, const int& iy, const int& iz) const;
75  const char& at(const int& ix, const int& iy, const int& iz, const int& it) const;
76  double pixel(const int& ix) const;
77  double pixel(const int& ix, const int& iy) const;
78  double pixel(const int& ix, const int& iy, const int& iz) const;
79  double pixel(const int& ix, const int& iy, const int& iz, const int& it) const;
80  void* pixels(void);
81  int type(void) const;
82 
83 private:
84  // Private methods
85  void init_members(void);
86  void copy_members(const GFitsImageSByte& image);
87  void free_members(void);
88  void alloc_data(void);
89  void init_data(void);
90  void release_data(void);
91  void construct_data(const char* pixels);
92  void load_data(void) const;
93  void alloc_nulval(const void* value);
94  void* ptr_data(void) { return m_pixels; }
95  void* ptr_nulval(void) { return m_nulval; }
96 
97  // Private data area
98  char* m_pixels; //!< Pixels
99  char* m_nulval; //!< NULL value
100 };
101 
102 
103 /***********************************************************************//**
104  * @brief Return class name
105  *
106  * @return String containing the class name ("GFitsImageSByte").
107  ***************************************************************************/
108 inline
109 std::string GFitsImageSByte::classname(void) const
110 {
111  return ("GFitsImageSByte");
112 }
113 
114 #endif /* GFITSIMAGESBYTE_HPP */
void init_members(void)
Initialise class members.
char * m_nulval
NULL value.
Abstract FITS image base class.
Definition: GFitsImage.hpp:43
void init_data(void)
Initialise data.
char & at(const int &ix)
Image pixel access operator.
void release_data(void)
Release data.
Signed Byte FITS image class.
char * m_pixels
Pixels.
int type(void) const
Return image type.
void construct_data(const char *pixels)
Construct data from array.
void * pixels(void)
Return pointer to image pixel.
void clear(void)
Clear instance.
void alloc_nulval(const void *value)
Allocates nul value.
Abstract FITS image base class definition.
double pixel(const int &ix) const
Return value of image pixel.
void * ptr_data(void)
void alloc_data(void)
Allocate data.
GFitsImageSByte(void)
Void constructor.
void load_data(void) const
Load data.
GFitsImageSByte * clone(void) const
Clone FITS image.
int naxes(const int &axis) const
Return dimension of an image axis.
Definition: GFitsImage.cpp:344
GFitsImageSByte & operator=(const GFitsImageSByte &image)
Assignment operator.
virtual ~GFitsImageSByte(void)
Destructor.
void free_members(void)
Delete class members.
void * ptr_nulval(void)
std::string classname(void) const
Return class name.
void copy_members(const GFitsImageSByte &image)
Copy class members.
char & operator()(const int &ix)
Image pixel access operator.