From mboxrd@z Thu Jan 1 00:00:00 1970 Path: news.gmane.org!not-for-mail From: Eli Zaretskii Newsgroups: gmane.emacs.devel Subject: Re: Redisplay issue Date: Sat, 05 Dec 2015 11:17:09 +0200 Message-ID: <83lh99fe5m.fsf@gnu.org> References: <83y4dhonng.fsf@gnu.org> <83two4olqj.fsf@gnu.org> <83h9k3mphx.fsf@gnu.org> <834mg2kvj7.fsf@gnu.org> <83d1upj6ml.fsf@gnu.org> <83si3kht2b.fsf@gnu.org> <56608701.9050802@gmx.at> <566149F0.1090408@gmx.at> <56615343.2090901@gmx.at> <5661554A.9050209@gmx.at> <5661574A.60900@gmx.at> <83y4dah7f8.fsf@gnu.org> Reply-To: Eli Zaretskii NNTP-Posting-Host: plane.gmane.org X-Trace: ger.gmane.org 1449307069 4054 80.91.229.3 (5 Dec 2015 09:17:49 GMT) X-Complaints-To: usenet@ger.gmane.org NNTP-Posting-Date: Sat, 5 Dec 2015 09:17:49 +0000 (UTC) Cc: yuan.mei.list@gmail.com, rudalics@gmx.at, emacs-devel@gnu.org To: YAMAMOTO Mitsuharu Original-X-From: emacs-devel-bounces+ged-emacs-devel=m.gmane.org@gnu.org Sat Dec 05 10:17:40 2015 Return-path: Envelope-to: ged-emacs-devel@m.gmane.org Original-Received: from lists.gnu.org ([208.118.235.17]) by plane.gmane.org with esmtp (Exim 4.69) (envelope-from ) id 1a58yK-0000om-87 for ged-emacs-devel@m.gmane.org; Sat, 05 Dec 2015 10:17:40 +0100 Original-Received: from localhost ([::1]:45530 helo=lists.gnu.org) by lists.gnu.org with esmtp (Exim 4.71) (envelope-from ) id 1a58yJ-00057d-Q4 for ged-emacs-devel@m.gmane.org; Sat, 05 Dec 2015 04:17:39 -0500 Original-Received: from eggs.gnu.org ([2001:4830:134:3::10]:40526) by lists.gnu.org with esmtp (Exim 4.71) (envelope-from ) id 1a58y5-00056k-IH for emacs-devel@gnu.org; Sat, 05 Dec 2015 04:17:26 -0500 Original-Received: from Debian-exim by eggs.gnu.org with spam-scanned (Exim 4.71) (envelope-from ) id 1a58y2-00047F-CO for emacs-devel@gnu.org; Sat, 05 Dec 2015 04:17:25 -0500 Original-Received: from mtaout22.012.net.il ([80.179.55.172]:34537) by eggs.gnu.org with esmtp (Exim 4.71) (envelope-from ) id 1a58y2-000473-3k for emacs-devel@gnu.org; Sat, 05 Dec 2015 04:17:22 -0500 Original-Received: from conversion-daemon.a-mtaout22.012.net.il by a-mtaout22.012.net.il (HyperSendmail v2007.08) id <0NYV00300OBN2B00@a-mtaout22.012.net.il> for emacs-devel@gnu.org; Sat, 05 Dec 2015 11:17:20 +0200 (IST) Original-Received: from HOME-C4E4A596F7 ([84.94.185.246]) by a-mtaout22.012.net.il (HyperSendmail v2007.08) with ESMTPA id <0NYV00208OGVJLA0@a-mtaout22.012.net.il>; Sat, 05 Dec 2015 11:17:20 +0200 (IST) In-reply-to: X-012-Sender: halo1@inter.net.il X-detected-operating-system: by eggs.gnu.org: Solaris 10 X-Received-From: 80.179.55.172 X-BeenThere: emacs-devel@gnu.org X-Mailman-Version: 2.1.14 Precedence: list List-Id: "Emacs development discussions." List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Errors-To: emacs-devel-bounces+ged-emacs-devel=m.gmane.org@gnu.org Original-Sender: emacs-devel-bounces+ged-emacs-devel=m.gmane.org@gnu.org Xref: news.gmane.org gmane.emacs.devel:195917 Archived-At: > Date: Sat, 05 Dec 2015 09:25:46 +0900 > From: YAMAMOTO Mitsuharu > Cc: martin rudalics , > yuan.mei.list@gmail.com, > emacs-devel@gnu.org > > >>>>> On Fri, 04 Dec 2015 11:47:23 +0200, Eli Zaretskii said: > > >> Date: Fri, 04 Dec 2015 10:05:14 +0100 > >> From: martin rudalics > >> CC: Eli Zaretskii , emacs-devel > >> > >> > Without cairo: > >> > > >> > 17 (#o21, #x11, ?\C-q) > >> > > >> > With cairo: > >> > > >> > 16 (#o20, #x10, ?\C-p) > >> > >> So it's the Cairo font backend. 59 text lines plus one menu bar line > >> give the 60 pixels difference. > > > I don't understand how can it do that with the same size of the same > > font. Some bug in ftcrfont.c, perhaps? > > Maybe one font backend rounds the fractional metrics values but the > other truncates them? Could be. Yuan, could you try these changes, and see if the dimensions of the Cairo frame become identical to that of the non-Cairo build? Thanks.