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# rgba_pixel.hpp

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    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_RGBA_PIXEL_HPP_INCLUDED
    00032 #define PNGPP_RGBA_PIXEL_HPP_INCLUDED
    00033
    00034 #include "types.hpp"
    00035 #include "pixel_traits.hpp"
    00036
    00037 namespace png
    00038 {
    00039
    00043     template< typename T >
    00044     struct basic_rgba_pixel
    00045     {
    00046         typedef pixel_traits< basic_rgba_pixel< T > > traits;
    00047
    00052         basic_rgba_pixel()
    00053             : red(0), green(0), blue(0), alpha(0)
    00054         {
    00055         }
    00056
    00062         basic_rgba_pixel(T red, T green, T blue,
    00063                          T alpha = traits::get_alpha_filler())
    00064             : red(red), green(green), blue(blue), alpha(alpha)
    00065         {
    00066         }
    00067
    00068         T red;
    00069         T green;
    00070         T blue;
    00071         T alpha;
    00072     };
    00073
    00077     typedef basic_rgba_pixel< byte > rgba_pixel;
    00078
    00082     typedef basic_rgba_pixel< uint_16 > rgba_pixel_16;
    00083
    00087     template< typename T >
    00088     struct pixel_traits< basic_rgba_pixel< T > >
    00089         : basic_pixel_traits< basic_rgba_pixel< T >, T, color_type_rgba >,
    00090           basic_alpha_pixel_traits< T >
    00091     {
    00092     };
    00093
    00094 } // namespace png
    00095
    00096 #endif // PNGPP_RGBA_PIXEL_HPP_INCLUDED