png++ 0.2.10
rgba_pixel.hpp
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1/*
2 * Copyright (C) 2007,2008 Alex Shulgin
3 *
4 * This file is part of png++ the C++ wrapper for libpng. PNG++ is free
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11 * this list of conditions and the following disclaimer.
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30 */
31#ifndef PNGPP_RGBA_PIXEL_HPP_INCLUDED
32#define PNGPP_RGBA_PIXEL_HPP_INCLUDED
33
34#include "types.hpp"
35#include "pixel_traits.hpp"
36
37namespace png
38{
39
43 template< typename T >
45 {
47
53 : red(0), green(0), blue(0), alpha(0)
54 {
55 }
56
65 {
66 }
67
68 T red;
72 };
73
78
83
87 template< typename T >
89 : basic_pixel_traits< basic_rgba_pixel< T >, T, color_type_rgba >,
91 {
92 };
93
94} // namespace png
95
96#endif // PNGPP_RGBA_PIXEL_HPP_INCLUDED
Definition: color.hpp:37
basic_rgba_pixel< byte > rgba_pixel
Definition: rgba_pixel.hpp:77
basic_rgba_pixel< uint_16 > rgba_pixel_16
Definition: rgba_pixel.hpp:82
Basic pixel traits class template for pixels with alpha channel.
Definition: pixel_traits.hpp:90
static T get_alpha_filler()
Returns the default alpha channel filler for full opacity.
Definition: pixel_traits.hpp:95
Basic pixel traits class template.
Definition: pixel_traits.hpp:62
RGBA pixel type.
Definition: rgba_pixel.hpp:45
basic_rgba_pixel(T red, T green, T blue, T alpha=traits::get_alpha_filler())
Constructs rgba_pixel object from red, green, blue and alpha components passed as parameters....
Definition: rgba_pixel.hpp:62
T red
Definition: rgba_pixel.hpp:68
T alpha
Definition: rgba_pixel.hpp:71
T green
Definition: rgba_pixel.hpp:69
pixel_traits< basic_rgba_pixel< T > > traits
Definition: rgba_pixel.hpp:46
basic_rgba_pixel()
Default constructor. Initializes all components with zeros.
Definition: rgba_pixel.hpp:52
T blue
Definition: rgba_pixel.hpp:70
Pixel traits class template.
Definition: pixel_traits.hpp:48