end_info.hpp

Go to the documentation of this file.
00001 /*
00002  * Copyright (C) 2007   Alex Shulgin
00003  *
00004  * This file is part of png++ the C++ wrapper for libpng.  Png++ is free
00005  * software; the exact copying conditions are as follows:
00006  *
00007  * Redistribution and use in source and binary forms, with or without
00008  * modification, are permitted provided that the following conditions are met:
00009  *
00010  * 1. Redistributions of source code must retain the above copyright notice,
00011  * this list of conditions and the following disclaimer.
00012  *
00013  * 2. Redistributions in binary form must reproduce the above copyright
00014  * notice, this list of conditions and the following disclaimer in the
00015  * documentation and/or other materials provided with the distribution.
00016  *
00017  * 3. The name of the author may not be used to endorse or promote products
00018  * derived from this software without specific prior written permission.
00019  *
00020  * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR
00021  * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
00022  * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN
00023  * NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
00024  * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED
00025  * TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR
00026  * PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF
00027  * LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING
00028  * NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS
00029  * SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
00030  */
00031 #ifndef PNGPP_END_INFO_HPP_INCLUDED
00032 #define PNGPP_END_INFO_HPP_INCLUDED
00033 
00034 #include "info_base.hpp"
00035 
00036 namespace png
00037 {
00038 
00044     class end_info
00045         : public info_base
00046     {
00047     public:
00048         end_info(io_base& io, png_struct* png)
00049             : info_base(io, png)
00050         {
00051         }
00052 
00053         void destroy()
00054         {
00055             assert(m_info);
00056             png_destroy_info_struct(m_png, & m_info);
00057         }
00058 
00059         void read()
00060         {
00061             png_read_end(m_png, m_info);
00062         }
00063         
00064         void write() const
00065         {
00066             png_write_end(m_png, m_info);
00067         }
00068 
00069         // TODO: add methods to read/write text comments etc.
00070     };
00071 
00072 } // namespace png
00073 
00074 #endif // PNGPP_END_INFO_HPP_INCLUDED

Generated on Sun Jul 8 19:33:00 2007 for png++ by  doxygen 1.5.2