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_RGB_PIXEL_HPP_INCLUDED
32 #define PNGPP_RGB_PIXEL_HPP_INCLUDED
33 
34 #include "types.hpp"
35 #include "pixel_traits.hpp"
36 
37 namespace png
38 {
39 
40     /**
41      * \brief RGB pixel type.
42      */
43     template< typename T >
44     struct basic_rgb_pixel
45     {
46         /**
47          * \brief Default constructor.  Initializes all components
48          * with zeros.
49          */
basic_rgb_pixelpng::basic_rgb_pixel50         basic_rgb_pixel()
51             : red(0), green(0), blue(0)
52         {
53         }
54 
55         /**
56          * \brief Constructs rgb_pixel object from \a red, \a green
57          * and \a blue components passed as parameters.
58          */
basic_rgb_pixelpng::basic_rgb_pixel59         basic_rgb_pixel(T red, T green, T blue)
60             : red(red), green(green), blue(blue)
61         {
62         }
63 
64         T red;
65         T green;
66         T blue;
67     };
68 
69     /**
70      * The 8-bit RGB pixel type.
71      */
72     typedef basic_rgb_pixel< byte > rgb_pixel;
73 
74     /**
75      * The 16-bit RGB pixel type.
76      */
77     typedef basic_rgb_pixel< uint_16 > rgb_pixel_16;
78 
79     /**
80      * \brief Pixel traits specialization for basic_rgb_pixel.
81      */
82     template< typename T >
83     struct pixel_traits< basic_rgb_pixel< T > >
84         : basic_pixel_traits< basic_rgb_pixel< T >, T, color_type_rgb >
85     {
86     };
87 
88 } // namespace png
89 
90 #endif // PNGPP_RGB_PIXEL_HPP_INCLUDED
91