From: Glenn Morris <rgm@gnu.org>
To: Bo Lin <lbsmtp@gmail.com>
Cc: 1867@debbugs.gnu.org
Subject: bug#1867: Resizing window causes text flickering when using antialiased font on X
Date: Tue, 04 Oct 2011 21:13:39 -0400 [thread overview]
Message-ID: <cnwrckgrzw.fsf@fencepost.gnu.org> (raw)
In-Reply-To: <87ljtgzvgg.fsf@unicorn.lan> (Bo Lin's message of "Mon, 12 Jan 2009 18:10:07 +0800")
Bo Lin wrote:
> 1. Choose a font FONTNAME which supports antialiasing. Confirm
> antialiasing is turned on for FONTNAME in fontconfig:
>
> $ fc-match -v FONTNAME |grep antialias
> antialias: FcTrue(w)
>
> 2. emacs -q
> 3. M-: (set-face-attribute 'default nil :font "FONTNAME")
> 4. C-x 3 C-x 2
>
> Now there are three windows. We'll name the upper-left window 1,
> lower-left window 2, and the right window 3.
>
> 5. C-x b *scratch* RET C-x o C-x b *Messages* RET C-x o C-h i
> 6. Using mouse, quickly drag mode-line of window 1 up and down.
>
> Observe how text in window 1 and 3 flicker as windows 1 and 2 are
> resized. The main point is that window 3, though totally unaffected by
> the resizing of windows 1 and 2 and showing a different buffer, is still
> been constantly redrawn. This quite annoying, as even when the
> mini-buffer window resizes, which happens quite frequently, will cause
> the whole frame to flicker.
>
> This flickering does *not* occur if using old X core fonts. To confirm,
> start with `emacs -q -fn fixed' and repeat steps 4-6.
[...]
> In GNU Emacs 23.0.60.7 (i686-pc-linux-gnu, GTK+ Version 2.14.4)
> of 2009-01-12 on unicorn
> Windowing system distributor `The X.Org Foundation', version 11.0.10502000
I don't seem to be able to reproduce this. Do you still see this with
the latest version of Emacs?
next prev parent reply other threads:[~2011-10-05 1:13 UTC|newest]
Thread overview: 13+ messages / expand[flat|nested] mbox.gz Atom feed top
2009-01-12 10:10 bug#1867: Resizing window causes text flickering when using antialiased font on X Bo Lin
2011-10-05 1:13 ` Glenn Morris [this message]
2011-10-05 7:01 ` Jan D.
2011-10-05 10:41 ` Eli Zaretskii
2011-10-05 17:34 ` Jan Djärv
2011-10-05 20:29 ` Eli Zaretskii
2011-10-05 21:16 ` Jan Djärv
2011-10-06 14:17 ` Jason Rumney
2011-10-05 21:57 ` Chong Yidong
2011-10-06 5:33 ` Eli Zaretskii
2011-10-06 6:05 ` Jan D.
2011-10-06 15:06 ` Chong Yidong
2011-10-06 19:38 ` Bo Lin
Reply instructions:
You may reply publicly to this message via plain-text email
using any one of the following methods:
* Save the following mbox file, import it into your mail client,
and reply-to-all from there: mbox
Avoid top-posting and favor interleaved quoting:
https://en.wikipedia.org/wiki/Posting_style#Interleaved_style
* Reply using the --to, --cc, and --in-reply-to
switches of git-send-email(1):
git send-email \
--in-reply-to=cnwrckgrzw.fsf@fencepost.gnu.org \
--to=rgm@gnu.org \
--cc=1867@debbugs.gnu.org \
--cc=lbsmtp@gmail.com \
/path/to/YOUR_REPLY
https://kernel.org/pub/software/scm/git/docs/git-send-email.html
* If your mail client supports setting the In-Reply-To header
via mailto: links, try the mailto: link
Be sure your reply has a Subject: header at the top and a blank line
before the message body.
Code repositories for project(s) associated with this external index
https://git.savannah.gnu.org/cgit/emacs.git
https://git.savannah.gnu.org/cgit/emacs/org-mode.git
This is an external index of several public inboxes,
see mirroring instructions on how to clone and mirror
all data and code used by this external index.