00001 /* 00002 * Copyright (C) 2007,2008 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_INFO_BASE_HPP_INCLUDED 00032 #define PNGPP_INFO_BASE_HPP_INCLUDED 00033 00034 #include <cassert> 00035 #include "error.hpp" 00036 #include "types.hpp" 00037 00038 namespace png 00039 { 00040 00041 class io_base; 00042 00046 class info_base 00047 { 00048 info_base(info_base const&); 00049 info_base& operator=(info_base const&); 00050 00051 public: 00052 info_base(io_base& io, png_struct* png) 00053 : m_io(io), 00054 m_png(png), 00055 m_info(png_create_info_struct(m_png)) 00056 { 00057 } 00058 00059 png_info* get_png_info() const 00060 { 00061 return m_info; 00062 } 00063 00064 png_info** get_png_info_ptr() 00065 { 00066 return & m_info; 00067 } 00068 00069 protected: 00070 io_base& m_io; 00071 png_struct* m_png; 00072 png_info* m_info; 00073 }; 00074 00075 } // namespace png 00076 00077 #endif // PNGPP_INFO_BASE_HPP_INCLUDED