rgba_pixel.hpp
Go to the documentation of this file.
/*
* Copyright (C) 2007,2008 Alex Shulgin
*
* This file is part of png++ the C++ wrapper for libpng. PNG++ is free
* software; the exact copying conditions are as follows:
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions are met:
*
* 1. Redistributions of source code must retain the above copyright notice,
* this list of conditions and the following disclaimer.
*
* 2. Redistributions in binary form must reproduce the above copyright
* notice, this list of conditions and the following disclaimer in the
* documentation and/or other materials provided with the distribution.
*
* 3. The name of the author may not be used to endorse or promote products
* derived from this software without specific prior written permission.
*
* THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR
* IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
* OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN
* NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
* SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED
* TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR
* PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF
* LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING
* NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS
* SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
*/
#ifndef PNGPP_RGBA_PIXEL_HPP_INCLUDED
#define PNGPP_RGBA_PIXEL_HPP_INCLUDED
#include "types.hpp"
#include "pixel_traits.hpp"
namespace png
{
template< typename T >
struct basic_rgba_pixel
{
typedef pixel_traits< basic_rgba_pixel< T > > traits;
basic_rgba_pixel()
: red(0), green(0), blue(0), alpha(0)
{
}
basic_rgba_pixel(T red, T green, T blue,
T alpha = traits::get_alpha_filler())
: red(red), green(green), blue(blue), alpha(alpha)
{
}
T red;
T green;
T blue;
T alpha;
};
typedef basic_rgba_pixel< byte > rgba_pixel;
typedef basic_rgba_pixel< uint_16 > rgba_pixel_16;
template< typename T >
struct pixel_traits< basic_rgba_pixel< T > >
: basic_pixel_traits< basic_rgba_pixel< T >, T, color_type_rgba >,
basic_alpha_pixel_traits< T >
{
};
} // namespace png
#endif // PNGPP_RGBA_PIXEL_HPP_INCLUDED
png::reader
The PNG reader class template. This is the low-level reading interface–use image class or consumer cl...
Definition reader.hpp:67
png
Definition color.hpp:37
png::rgba_pixel
basic_rgba_pixel< byte > rgba_pixel
Definition rgba_pixel.hpp:77
png::rgba_pixel_16
basic_rgba_pixel< uint_16 > rgba_pixel_16
Definition rgba_pixel.hpp:82
pixel_traits.hpp
png::basic_alpha_pixel_traits
Basic pixel traits class template for pixels with alpha channel.
Definition pixel_traits.hpp:90
png::basic_alpha_pixel_traits< T >::get_alpha_filler
static T get_alpha_filler()
Returns the default alpha channel filler for full opacity.
Definition pixel_traits.hpp:95
png::basic_pixel_traits
Basic pixel traits class template.
Definition pixel_traits.hpp:62
png::basic_rgba_pixel
RGBA pixel type.
Definition rgba_pixel.hpp:45
png::basic_rgba_pixel::basic_rgba_pixel
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
png::basic_rgba_pixel::red
T red
Definition rgba_pixel.hpp:68
png::basic_rgba_pixel::alpha
T alpha
Definition rgba_pixel.hpp:71
png::basic_rgba_pixel::green
T green
Definition rgba_pixel.hpp:69
png::basic_rgba_pixel::traits
pixel_traits< basic_rgba_pixel< T > > traits
Definition rgba_pixel.hpp:46
png::basic_rgba_pixel::basic_rgba_pixel
basic_rgba_pixel()
Default constructor. Initializes all components with zeros.
Definition rgba_pixel.hpp:52
png::basic_rgba_pixel::blue
T blue
Definition rgba_pixel.hpp:70
png::pixel_traits
Pixel traits class template.
Definition pixel_traits.hpp:48
types.hpp