From: Stephen Berman <stephen.berman@gmx.net>
To: Taylor Venable <tvenable@mieweb.com>
Cc: 12612@debbugs.gnu.org
Subject: bug#12612: 24.2.50; Frame Background RGB(1,1,1) Darker Than Set Using GTK3
Date: Tue, 09 Oct 2012 22:18:02 +0200 [thread overview]
Message-ID: <87r4p7s8lh.fsf@rosalinde.fritz.box> (raw)
In-Reply-To: <F9F2F23EA64EA94D8CA228EF16004B4C0109859DB074@mercury.mieweb.com> (Taylor Venable's message of "Tue, 9 Oct 2012 14:11:09 -0400")
On Tue, 9 Oct 2012 14:11:09 -0400 Taylor Venable <tvenable@mieweb.com> wrote:
> When using GTK3, any time one sets the frame background (e.g. from
> startup, or using set-frame-parameter) there is a difference between the
> background color of the part of the frame with text, and the part of the
> frame without. The part with text is correct, but the part of the frame
> without is darker by 1 bit in all three RGB attributes. For example, the
> default background is white; if you take a screenshot and look at the
> result in the GIMP you will find that space between text is #ffffff,
> whereas the background after the end of the line or buffer is #fefefe.
>
> Only with GTK3 have I noticed this; with GTK2 this does not occur.
I confirm both these observations.
> happens with -Q. You don't notice it with light (Emacs) themes, but on
> my monitor I can see it with darker (Emacs) themes fairly easily. When
> in doubt, you can always check with a screenshot.
On my monitor (and with my eyes) I can't tell the difference, but when I
used a color picker program it showed just what you describe.
> The exception is if
> the background is set to #000000, in which case everything has a
> background of #000000 as it should.
I guess that's no exception, since there are no negative RGB values.
> I have no GTK3 theme set. Thanks for having a look.
I'm using oxygen-gtk on KDE4.
> In GNU Emacs 24.2.50.2 (x86_64-unknown-linux-gnu, GTK+ Version 3.4.4)
> of 2012-10-09 on trantor
> Bzr revision: monnier@iro.umontreal.ca-20121009163751-ui2zwwoaj8bqwj52
Mine: GNU Emacs 24.2.50.1 (x86_64-suse-linux-gnu, GTK+ Version 3.4.4) of
2012-10-03 on rosalinde
Bzr revision 110349 eggert@cs.ucla.edu-20121002193810-gu1indup6lry2cxn
(Not seen on GNU Emacs 23.3.1 (x86_64-suse-linux-gnu, GTK+ Version
2.24.10) of 2012-08-15 on build21.)
next prev parent reply other threads:[~2012-10-09 20:18 UTC|newest]
Thread overview: 5+ messages / expand[flat|nested] mbox.gz Atom feed top
2012-10-09 18:11 bug#12612: 24.2.50; Frame Background RGB(1,1,1) Darker Than Set Using GTK3 Taylor Venable
2012-10-09 20:18 ` Stephen Berman [this message]
2012-10-13 21:52 ` Jan Djärv
2012-10-14 9:33 ` Stephen Berman
2012-10-15 13:30 ` Taylor Venable
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