png++ 0.2.9
ga_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_GA_PIXEL_HPP_INCLUDED
32#define PNGPP_GA_PIXEL_HPP_INCLUDED
33
34#include <limits>
35
36#include "types.hpp"
37#include "pixel_traits.hpp"
38
39namespace png
40{
41
45 template< typename T >
47 {
49
57 {
58 }
59
62 };
63
68
73
77 template< typename T >
79 : basic_pixel_traits< basic_ga_pixel< T >, T, color_type_ga >,
81 {
82 };
83
84} // namespace png
85
86#endif // PNGPP_GA_PIXEL_HPP_INCLUDED
Definition: color.hpp:37
basic_ga_pixel< byte > ga_pixel
The 8-bit Gray+Alpha pixel type.
Definition: ga_pixel.hpp:67
basic_ga_pixel< uint_16 > ga_pixel_16
The 16-bit Gray+Alpha pixel type.
Definition: ga_pixel.hpp:72
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 Gray+Alpha pixel type.
Definition: ga_pixel.hpp:47
T value
Definition: ga_pixel.hpp:60
T alpha
Definition: ga_pixel.hpp:61
basic_ga_pixel(T value=0, T alpha=traits::get_alpha_filler())
Constructs basic_ga_pixel object from value and alpha components passed as parameters....
Definition: ga_pixel.hpp:55
pixel_traits< basic_ga_pixel< T > > traits
Definition: ga_pixel.hpp:48
Basic pixel traits class template.
Definition: pixel_traits.hpp:62
Pixel traits class template.
Definition: pixel_traits.hpp:48