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 39 /** 40 * \brief Internal class to hold PNG ending %info. 41 * 42 * \see info, info_base 43 */ 44 class end_info 45 : public info_base 46 { 47 public: end_info(io_base & io,png_struct * png)48 end_info(io_base& io, png_struct* png) 49 : info_base(io, png) 50 { 51 } 52 destroy()53 void destroy() 54 { 55 assert(m_info); 56 png_destroy_info_struct(m_png, & m_info); 57 } 58 read()59 void read() 60 { 61 png_read_end(m_png, m_info); 62 } 63 write() const64 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 75