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From: "Jan Djärv" <jan.h.d@swipnet.se>
To: Eli Zaretskii <eliz@gnu.org>
Cc: 15668-done@debbugs.gnu.org,
	"darren.hoo@gmail.com Hoo" <darren.hoo@gmail.com>
Subject: bug#15668: 24.3.50; No font lock on active region
Date: Fri, 1 Nov 2013 16:54:46 +0100	[thread overview]
Message-ID: <7D46A066-4DCB-45DE-8815-34E60FC58260@swipnet.se> (raw)
In-Reply-To: <83eh7djmn4.fsf@gnu.org>

Hello.

22 okt 2013 kl. 18:28 skrev Eli Zaretskii <eliz@gnu.org>:

>> From: Jan Djärv <jan.h.d@swipnet.se>
>> Date: Tue, 22 Oct 2013 18:14:03 +0200
>> Cc: darren.hoo@gmail.com,
>> 15668@debbugs.gnu.org
>> 
>> Hello.
>> 
>> 21 okt 2013 kl. 21:06 skrev Eli Zaretskii <eliz@gnu.org>:
>> 
>>>> From: Jan Djärv <jan.h.d@swipnet.se>
>>>> Date: Mon, 21 Oct 2013 20:47:25 +0200
>>>> Cc: Darren Hoo <darren.hoo@gmail.com>,
>>>> 15668@debbugs.gnu.org
>>>> 
>>>> It would be nice if one could define a face with a foreground color to be used when foreground and background otherwise are to similar.
>>> 
>>> Sounds like a simple enough extension to defface.
>> 
>> Well, yes, but I envisioned that querying the face for the foreground would automatically give the "fallback" foreground when the background is close to the foreground that would otherwise be used.
> 
> That's what I had in mind, yes.
> 
>> I think the calculation of close and maybe handling face inheritance is a bit tricky.
> 
> Some distance in the RGB space might fit the former.  I'm quite sure
> color comparison is something for which algorithms are readily
> available.

Actually there is a color_distance function in xfaces.c already.
I implemented :distant-foreground to be used as a fallback, checked in to trunk.

Marking this bug as done.

	Jan D.






  reply	other threads:[~2013-11-01 15:54 UTC|newest]

Thread overview: 9+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2013-10-21  5:56 bug#15668: 24.3.50; No font lock on active region Darren Hoo
2013-10-21 16:30 ` Eli Zaretskii
2013-10-21 18:47   ` Jan Djärv
2013-10-21 19:06     ` Eli Zaretskii
2013-10-21 19:20       ` Eli Zaretskii
2013-10-22 16:14       ` Jan Djärv
2013-10-22 16:28         ` Eli Zaretskii
2013-11-01 15:54           ` Jan Djärv [this message]
2013-10-21 21:36     ` Darren Hoo

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