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bug#12612: 24.2.50; Frame Background RGB(1,1,1) Darker Than Set Using GT
From: |
Jan Djärv |
Subject: |
bug#12612: 24.2.50; Frame Background RGB(1,1,1) Darker Than Set Using GTK3 |
Date: |
Sat, 13 Oct 2012 23:52:45 +0200 |
Hello.
I think I fixed this, please test it.
Thanks,
Jan D.
9 okt 2012 kl. 22:18 skrev Stephen Berman <stephen.berman@gmx.net>:
> 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.)
>
>