png++: info_base.hpp Source File

png++ 0.2.10

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
5 * software; the exact copying conditions are as follows:
6 *
7 * Redistribution and use in source and binary forms, with or without
8 * modification, are permitted provided that the following conditions are met:
9 *
10 * 1. Redistributions of source code must retain the above copyright notice,
11 * this list of conditions and the following disclaimer.
12 *
13 * 2. Redistributions in binary form must reproduce the above copyright
14 * notice, this list of conditions and the following disclaimer in the
15 * documentation and/or other materials provided with the distribution.
16 *
17 * 3. The name of the author may not be used to endorse or promote products
18 * derived from this software without specific prior written permission.
19 *
20 * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR
21 * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
22 * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN
23 * NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
24 * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED
25 * TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR
26 * PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF
27 * LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING
28 * NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS
29 * SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
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
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:
70 io_base& m_io;
71 png_struct* m_png;
72 png_info* m_info;
73 };
74
75 } // namespace png
76
77 #endif // PNGPP_INFO_BASE_HPP_INCLUDED
png::info_base::info_base
info_base(io_base &io, png_struct *png)
Definition: info_base.hpp:52
types.hpp
png::io_base
Base class for PNG reader/writer classes.
Definition: io_base.hpp:63
png::info_base::m_png
png_struct * m_png
Definition: info_base.hpp:71
png::info_base
Internal class to hold PNG info or end_info.
Definition: info_base.hpp:47
png::info_base::get_png_info_ptr
png_info ** get_png_info_ptr()
Definition: info_base.hpp:64
png::info_base::m_info
png_info * m_info
Definition: info_base.hpp:72
png::info_base::m_io
io_base & m_io
Definition: info_base.hpp:70
png::info_base::get_png_info
png_info * get_png_info() const
Definition: info_base.hpp:59
png
Definition: color.hpp:37
error.hpp