png++: end_info.hpp Source File

png++ 0.2.10

end_info.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_END_INFO_HPP_INCLUDED
32 #define PNGPP_END_INFO_HPP_INCLUDED
33
34 #include "info_base.hpp"
35
36 namespace png
37 {
38
44 class end_info
45 : public info_base
46 {
47 public:
48 end_info(io_base& io, png_struct* png)
49 : info_base(io, png)
50 {
51 }
52
53 void destroy()
54 {
55 assert(m_info);
56 png_destroy_info_struct(m_png, & m_info);
57 }
58
59 void read()
60 {
61 png_read_end(m_png, m_info);
62 }
63
64 void write() const
65 {
66 png_write_end(m_png, m_info);
67 }
68
69 // TODO: add methods to read/write text comments etc.
70 };
71
72 } // namespace png
73
74 #endif // PNGPP_END_INFO_HPP_INCLUDED
png::end_info::destroy
void destroy()
Definition: end_info.hpp:53
png::end_info
Internal class to hold PNG ending info.
Definition: end_info.hpp:46
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::end_info::end_info
end_info(io_base &io, png_struct *png)
Definition: end_info.hpp:48
png::end_info::read
void read()
Definition: end_info.hpp:59
info_base.hpp
png::info_base::m_info
png_info * m_info
Definition: info_base.hpp:72
png::end_info::write
void write() const
Definition: end_info.hpp:64
png
Definition: color.hpp:37