From: Jeremy Hinegardner <jeremy@...>
Date: 2007-12-01T12:01:54+09:00
Subject: Re: Convert HEX to RGB

On Sat, Dec 01, 2007 at 09:18:55AM +0900, Austin Ziegler wrote:
> On 11/30/07, Jeremy Hinegardner <jeremy@hinegardner.org> wrote:
> > On Fri, Nov 30, 2007 at 07:59:15PM +0900, Eust?quio 'TaQ' Rangel wrote:
> > > -----BEGIN PGP SIGNED MESSAGE-----
> > > Hash: SHA1
> > >
> > > > Ummm... This is a really clever solution, except if you have a hex value
> > > > that you need to convert into an rgb array, it is probably a string, not
> > > > an integer literal. Is there an easy way to convert a hex string
> > > > directly into an integer literal?
> > >
> > > Gimme a good and old blue RGB:
> > >
> > > >> "101aff".scan(/../).map {|color| color.to_i(16)}
> > > => [16, 26, 255]
> >
> > Or use color (http://rubyforge.org/projects/color/)
> >
> > require 'rubygems'
> > require 'color'
> >
> > c = Color::RGB.from_html("101aff")
> > c.css_rgb                   # => rgb(6.27%, 10.20%, 100.00%)
> > [c.red, c.green, c.blue]    # => [16.0, 26.0, 255.0]
> 
> Why thank you, Jeremy. ;)
> 
> What's beautiful about the Color rubygem is that it's a lot more than
> just RGB, too. Much much more.
> 
> -austin, thinking he should try to conscript Jeremy into helping out
> with Color again...

Yup, count me in.

enjoy,

-jeremy

-- 
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 Jeremy Hinegardner                              jeremy@hinegardner.org