png++ 0.2.9
info_base.hpp
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1/*
2 * Copyright (C) 2007,2008 Alex Shulgin
3 *
4 * This file is part of png++ the C++ wrapper for libpng. PNG++ is free
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10 * 1. Redistributions of source code must retain the above copyright notice,
11 * this list of conditions and the following disclaimer.
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30 */
31#ifndef PNGPP_INFO_BASE_HPP_INCLUDED
32#define PNGPP_INFO_BASE_HPP_INCLUDED
33
34#include <cassert>
35#include "error.hpp"
36#include "types.hpp"
37
38namespace png
39{
40
41 class io_base;
42
47 {
48 info_base(info_base const&);
49 info_base& operator=(info_base const&);
50
51 public:
52 info_base(io_base& io, png_struct* png)
53 : m_io(io),
54 m_png(png),
55 m_info(png_create_info_struct(m_png))
56 {
57 }
58
59 png_info* get_png_info() const
60 {
61 return m_info;
62 }
63
64 png_info** get_png_info_ptr()
65 {
66 return & m_info;
67 }
68
69 protected:
71 png_struct* m_png;
72 png_info* m_info;
73 };
74
75} // namespace png
76
77#endif // PNGPP_INFO_BASE_HPP_INCLUDED
Internal class to hold PNG info or end_info.
Definition: info_base.hpp:47
info_base(io_base &io, png_struct *png)
Definition: info_base.hpp:52
png_info * m_info
Definition: info_base.hpp:72
png_info ** get_png_info_ptr()
Definition: info_base.hpp:64
io_base & m_io
Definition: info_base.hpp:70
png_info * get_png_info() const
Definition: info_base.hpp:59
png_struct * m_png
Definition: info_base.hpp:71
Base class for PNG reader/writer classes.
Definition: io_base.hpp:63
Definition: color.hpp:37