Graphics::Color::YIQ.3pm

Langue: en

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

Section: 3 (Bibliothèques de fonctions)

Sommaire

NAME

Graphics::Color::YIQ - YIQ color space

DESCRIPTION

Graphics::Color::YIQ represents a Color in an YIQ color space.

DISCLAIMER

I couldn't find clear information on the bounds of each value, so at the moment there are none.

SYNOPSIS

     use Graphics::Color::YIQ;
 
     my $color = Graphics::Color::YIQ->new({
         luminance   => 0.5,
         in_phase    => .5
         quadrature  => .25,
     });

CONSTRUCTOR

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

Creates a new Graphics::Color::YIQ.

METHODS

equal_to

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

not_equal_to

The opposite of equal_to.

luminance

y

Set/Get the luminance component of this Color.

in_phase

i

Set/Get the in_phase component of this Color.

quadrature

q

Set/Get the quadrature component of this Color.

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 LUMINANCE,IN-PHASE,QUADRATURE

as_array

Get the YIQ values as an array

AUTHOR

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

SEE ALSO

perl(1), <http://en.wikipedia.org/wiki/YIQ> 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.