From mboxrd@z Thu Jan 1 00:00:00 1970 Path: news.gmane.org!not-for-mail From: Bo Lin Newsgroups: gmane.emacs.bugs Subject: bug#1867: Resizing window causes text flickering when using antialiased font on X Date: Thu, 6 Oct 2011 15:38:41 -0400 Message-ID: References: <87ljtgzvgg.fsf@unicorn.lan> NNTP-Posting-Host: lo.gmane.org Mime-Version: 1.0 Content-Type: text/plain; charset=ISO-8859-1 Content-Transfer-Encoding: quoted-printable X-Trace: dough.gmane.org 1317930262 18756 80.91.229.12 (6 Oct 2011 19:44:22 GMT) X-Complaints-To: usenet@dough.gmane.org NNTP-Posting-Date: Thu, 6 Oct 2011 19:44:22 +0000 (UTC) Cc: 1867@debbugs.gnu.org To: Glenn Morris Original-X-From: bug-gnu-emacs-bounces+geb-bug-gnu-emacs=m.gmane.org@gnu.org Thu Oct 06 21:44:13 2011 Return-path: Envelope-to: geb-bug-gnu-emacs@m.gmane.org Original-Received: from lists.gnu.org ([140.186.70.17]) by lo.gmane.org with esmtp (Exim 4.69) (envelope-from ) id 1RBtrY-0006xQ-3u for geb-bug-gnu-emacs@m.gmane.org; Thu, 06 Oct 2011 21:44:12 +0200 Original-Received: from localhost ([::1]:53058 helo=lists.gnu.org) by lists.gnu.org with esmtp (Exim 4.71) (envelope-from ) id 1RBtrX-0005NX-HS for geb-bug-gnu-emacs@m.gmane.org; Thu, 06 Oct 2011 15:44:11 -0400 Original-Received: from eggs.gnu.org ([140.186.70.92]:59123) by lists.gnu.org with esmtp (Exim 4.71) (envelope-from ) id 1RBtrF-0005MV-RX for bug-gnu-emacs@gnu.org; Thu, 06 Oct 2011 15:43:54 -0400 Original-Received: from Debian-exim by eggs.gnu.org with spam-scanned (Exim 4.71) (envelope-from ) id 1RBtrE-0000oa-B4 for bug-gnu-emacs@gnu.org; Thu, 06 Oct 2011 15:43:53 -0400 Original-Received: from debbugs.gnu.org ([140.186.70.43]:44653) by eggs.gnu.org with esmtp (Exim 4.71) (envelope-from ) id 1RBtrE-0000oW-5R for bug-gnu-emacs@gnu.org; Thu, 06 Oct 2011 15:43:52 -0400 Original-Received: from Debian-debbugs by debbugs.gnu.org with local (Exim 4.69) (envelope-from ) id 1RBtrO-00036p-6c for bug-gnu-emacs@gnu.org; Thu, 06 Oct 2011 15:44:02 -0400 X-Loop: help-debbugs@gnu.org Resent-From: Bo Lin Original-Sender: debbugs-submit-bounces@debbugs.gnu.org Resent-CC: bug-gnu-emacs@gnu.org Resent-Date: Thu, 06 Oct 2011 19:44:02 +0000 Resent-Message-ID: Resent-Sender: help-debbugs@gnu.org X-GNU-PR-Message: followup 1867 X-GNU-PR-Package: emacs X-GNU-PR-Keywords: Original-Received: via spool by 1867-submit@debbugs.gnu.org id=B1867.131793021911917 (code B ref 1867); Thu, 06 Oct 2011 19:44:02 +0000 Original-Received: (at 1867) by debbugs.gnu.org; 6 Oct 2011 19:43:39 +0000 Original-Received: from localhost ([127.0.0.1] helo=debbugs.gnu.org) by debbugs.gnu.org with esmtp (Exim 4.69) (envelope-from ) id 1RBtr1-000369-69 for submit@debbugs.gnu.org; Thu, 06 Oct 2011 15:43:39 -0400 Original-Received: from mail-gy0-f172.google.com ([209.85.160.172]) by debbugs.gnu.org with esmtp (Exim 4.69) (envelope-from ) id 1RBtoi-00032Z-Cf for 1867@debbugs.gnu.org; Thu, 06 Oct 2011 15:41:18 -0400 Original-Received: by gyd12 with SMTP id 12so2924969gyd.3 for <1867@debbugs.gnu.org>; Thu, 06 Oct 2011 12:41:00 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=gmail.com; s=gamma; h=mime-version:in-reply-to:references:date:message-id:subject:from:to :cc:content-type:content-transfer-encoding; bh=IxwkwDPhMtk4Kgh4jTBKYLDLRTZNanNjyjLwgln3EJY=; b=PfJs3rGSfK4jUPG5B/bO+pRBmHlTBaMhwE7CbW1yZReYnT6iK/iGRh2UqPQwiEDevx 6Ri84aJJ1/VS/JvSZL5DO+H8ywKC0a5cL6B1romLklhlKVKFFf9TpL3hy/3wxPQcxEUF AhnKHy8230QUDUzPkiJAMe/goRpLVS6lrGPoo= Original-Received: by 10.223.88.71 with SMTP id z7mr5491293fal.26.1317929921806; Thu, 06 Oct 2011 12:38:41 -0700 (PDT) Original-Received: by 10.152.10.165 with HTTP; Thu, 6 Oct 2011 12:38:41 -0700 (PDT) In-Reply-To: X-Mailman-Approved-At: Thu, 06 Oct 2011 15:43:37 -0400 X-BeenThere: debbugs-submit@debbugs.gnu.org X-Mailman-Version: 2.1.11 Precedence: list Resent-Date: Thu, 06 Oct 2011 15:44:02 -0400 X-detected-operating-system: by eggs.gnu.org: GNU/Linux 2.6 (newer, 1) X-Received-From: 140.186.70.43 X-Mailman-Approved-At: Thu, 06 Oct 2011 15:44:09 -0400 X-BeenThere: bug-gnu-emacs@gnu.org List-Id: "Bug reports for GNU Emacs, the Swiss army knife of text editors" List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Errors-To: bug-gnu-emacs-bounces+geb-bug-gnu-emacs=m.gmane.org@gnu.org Original-Sender: bug-gnu-emacs-bounces+geb-bug-gnu-emacs=m.gmane.org@gnu.org Xref: news.gmane.org gmane.emacs.bugs:52309 Archived-At: Hi Glenn, This bug is no longer present as of Emacs 23.3, on the same machine. Actually, I don't recall having this problem for a very long time, since at least 23.1. I guess this bug can be closed. Regards, Bo On Tue, Oct 4, 2011 at 9:13 PM, Glenn Morris wrote: > 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 >> =A0 =A0 =A0 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) >> =A0of 2009-01-12 on unicorn >> Windowing system distributor `The X.Org Foundation', version 11.0.105020= 00 > > > I don't seem to be able to reproduce this. Do you still see this with > the latest version of Emacs? >