png++  0.2.9
info_base.hpp
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1 /*
2  * Copyright (C) 2007,2008 Alex Shulgin
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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 
38 namespace png
39 {
40 
41  class io_base;
42 
46  class info_base
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
png_struct * m_png
Definition: info_base.hpp:71
Base class for PNG reader/writer classes.
Definition: io_base.hpp:62
info_base(io_base &io, png_struct *png)
Definition: info_base.hpp:52
png_info * get_png_info() const
Definition: info_base.hpp:59
png_info ** get_png_info_ptr()
Definition: info_base.hpp:64
io_base & m_io
Definition: info_base.hpp:70
Internal class to hold PNG info or end_info.
Definition: info_base.hpp:46
Definition: color.hpp:36
png_info * m_info
Definition: info_base.hpp:72