From: Didier Verna <verna@inf.enst.fr>
Cc: ding@gnus.org
Subject: Re: HTML foreground and background colors being the same... poll time!
Date: 03 Dec 1998 15:37:15 +0100 [thread overview]
Message-ID: <qyjbtllcmw4.fsf@metheny.enst.fr> (raw)
In-Reply-To: Hrvoje Niksic's message of "03 Dec 1998 15:26:04 +0100"
Hrvoje Niksic writes:
Hrvoje> "William M. Perry" <wmperry@aventail.com> writes:
>> I'd vote for (c), but I have no clue on how to go about finding or writing
>> a good contrast-finding algorithm. Anyone out there know of one?
Hrvoje> You can look at how XEmacs implements the "shadows" in redisplay-x.c.
Hrvoje> That's one example I know of.
Not quite. All they do is modify the brightness around one color (the
widget background), and they actually [in|de]crease all RGB components by the
same amount. Finding the best contrast for a given color may involve using a
totally different one. The guys at gimp could probably help you on this.
--
/ / _ _ Didier Verna http://www.inf.enst.fr/~verna/
- / / - / / /_/ / E.N.S.T. INF C201.1 mailto:verna@inf.enst.fr
/_/ / /_/ / /__ / 46 rue Barrault Tel. (33) 01 45 81 73 46
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next prev parent reply other threads:[~1998-12-03 14:37 UTC|newest]
Thread overview: 12+ messages / expand[flat|nested] mbox.gz Atom feed top
1998-12-03 14:00 William M. Perry
1998-12-03 14:26 ` Hrvoje Niksic
1998-12-03 14:37 ` Didier Verna [this message]
1998-12-03 14:44 ` Hrvoje Niksic
1998-12-03 14:54 ` Colin Rafferty
1998-12-03 16:08 ` Ken McGlothlen
1998-12-03 14:56 ` Bill White
1998-12-03 16:43 ` Wes Hardaker
1998-12-03 18:49 ` Matt Armstrong
1998-12-09 16:06 ` William M. Perry
1998-12-04 1:19 ` Laurent Martelli
1998-12-04 5:31 ` Felix Lee
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