NAME
Graphics::Color::RGB - RGB color model
DESCRIPTION
Graphics::Color::RGB represents a Color in the sRGB color space. Individual color channels are expressed as decimal values from 0 to 1. Convenience methods are supplied to convert to various string values.
SYNOPSIS
use Graphics::Color::RGB;
my $color = Graphics::Color::RGB->new({
red => 1,
blue => .31,
green => .25,
});CONSTRUCTOR
Graphics::Color::RGB->new(%options)
Creates a new Graphics::Color::RGB.
METHODS
equal_to
Compares this color to the provided one. Returns 1 if true, else 0;
not_equal_to
The opposite of equal_to.
red
r
Set/Get the red component of this Color. Aliased to a 'r' as well.
green
g
Set/Get the green component of this Color. Aliased to a 'g' as well.
blue
b
Set/Get the blue component of this Color. Aliased to a 'b' as well.
alpha
a
Set/Get the alpha component of this Color. Aliased to a 'a' as well.
name
Get the name of this color. Only valid if the color was created by name.
as_string
Get a string version of this Color in the form of RED,GREEN,BLUE,ALPHA
as_hex_string
Return a hex formatted value for this color. The output ignores the alpha channel because, per the W3C, there is no hexadecimal notiation for an RGBA value.
as_integer_string
Return an integer formatted value for this color. This format is suitable for CSS RGBA values.
as_percent_string
Return a percent formatted value for this color. This format is suitable for CSS RGBA values.
as_array
Get the RGB values as an array
as_array_with_alpha
Get the RGBA values as an array
from_color_library(color-id)
Attempts to retrieve the specified color-id using Color::Library. The result is then converted into a Graphics::Color::RGB object.
to_hsl
Creates this RGB color in HSL space. Returns a Graphics::Color::HSL object.
to_hsv
Creates this RGB color in HSV space. Returns a Graphics::Color::HSV object.
AUTHOR
Cory Watson, <gphat@cpan.org>
Infinity Interactive, http://www.iinteractive.com
SEE ALSO
perl(1), http://en.wikipedia.org/wiki/RGB_color_space
COPYRIGHT & LICENSE
Copyright 2008 by Infinity Interactive, Inc.
This program is free software; you can redistribute it and/or modify it under the same terms as Perl itself.