Graphics::Color::YUV.3pm

Langue: en

Version: 2009-09-10 (ubuntu - 24/10/10)

Section: 3 (Bibliothèques de fonctions)

NAME

Graphics::Color::YUV - YUV color space

DESCRIPTION

Graphics::Color::YUV represents a Color in an Y'UV color space.

SYNOPSIS

     use Graphics::Color::YUV;
 
     my $color = Graphics::Color::YUV->new({
         luma            => .5,
         blue_luminance  => .5
         red_luminance   => .25,
     });
 
 

CONSTRUCTOR

Graphics::Color::YUV->new(%options);

Creates a new Graphics::Color::YUV.

METHODS

equal_to

Compares this color to the provided one. Returns 1 if true, else 0;

not_equal_to

The opposite of equal_to.

luma

y

Set/Get the luma (Y') component of this Color. Aliased to y.

blue_luminance

u

Set/Get the blue_luminance component of this Color. Aliased to u.

red_luminance

v

Set/Get the red_luminance component of this Color. Aliased to v.

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 LUMA,BLUE_LUMINENCE,RED_LUMINANCE

as_array

Get the YUV values as an array

AUTHOR

Cory Watson, "<gphat@cpan.org>"

SEE ALSO

perl(1), <http://en.wikipedia.org/wiki/YUV> Copyright 2008 - 2009 by Cory G Watson

This program is free software; you can redistribute it and/or modify it under the same terms as Perl itself.