From mboxrd@z Thu Jan 1 00:00:00 1970 Path: news.gmane.org!.POSTED.blaine.gmane.org!not-for-mail From: Vincent Lefevre Newsgroups: gmane.emacs.bugs Subject: bug#29078: 25.2; font issue with FreeType 2.8; should not use the rounded ascender and descender Date: Mon, 18 Nov 2019 18:23:33 +0100 Message-ID: <20191118172333.GE2742@cventin.lip.ens-lyon.fr> References: <87d153pqw0.fsf@cventin.lip.ens-lyon.fr> <87ftinaq1h.fsf@gnus.org> <20191118074714.GB27349@zira.vinc17.org> <83d0dp42nx.fsf@gnu.org> <20191118160441.GD2742@cventin.lip.ens-lyon.fr> <83pnhp2jse.fsf@gnu.org> Mime-Version: 1.0 Content-Type: text/plain; charset=iso-8859-1 Content-Transfer-Encoding: 8bit Injection-Info: blaine.gmane.org; posting-host="blaine.gmane.org:195.159.176.226"; logging-data="11295"; mail-complaints-to="usenet@blaine.gmane.org" User-Agent: Mutt/1.12.1+19 (078654a4) vl-117499 (2019-06-15) Cc: larsi@gnus.org, 29078@debbugs.gnu.org To: Eli Zaretskii Original-X-From: bug-gnu-emacs-bounces+geb-bug-gnu-emacs=m.gmane.org@gnu.org Mon Nov 18 18:24:13 2019 Return-path: Envelope-to: geb-bug-gnu-emacs@m.gmane.org Original-Received: from lists.gnu.org ([209.51.188.17]) by blaine.gmane.org with esmtps (TLS1.2:ECDHE_RSA_AES_256_GCM_SHA384:256) (Exim 4.89) (envelope-from ) id 1iWkl3-0002mr-8N for geb-bug-gnu-emacs@m.gmane.org; Mon, 18 Nov 2019 18:24:13 +0100 Original-Received: from localhost ([::1]:37452 helo=lists1p.gnu.org) by lists.gnu.org with esmtp (Exim 4.90_1) (envelope-from ) id 1iWkl1-0003ZT-Ep for geb-bug-gnu-emacs@m.gmane.org; Mon, 18 Nov 2019 12:24:11 -0500 Original-Received: from eggs.gnu.org ([2001:470:142:3::10]:56560) by lists.gnu.org with esmtp (Exim 4.90_1) (envelope-from ) id 1iWkku-0003Wo-Gf for bug-gnu-emacs@gnu.org; Mon, 18 Nov 2019 12:24:05 -0500 Original-Received: from Debian-exim by eggs.gnu.org with spam-scanned (Exim 4.71) (envelope-from ) id 1iWkkt-0004hn-07 for bug-gnu-emacs@gnu.org; Mon, 18 Nov 2019 12:24:04 -0500 Original-Received: from debbugs.gnu.org ([209.51.188.43]:37351) by eggs.gnu.org with esmtps (TLS1.0:RSA_AES_128_CBC_SHA1:16) (Exim 4.71) (envelope-from ) id 1iWkks-0004hh-So for bug-gnu-emacs@gnu.org; Mon, 18 Nov 2019 12:24:02 -0500 Original-Received: from Debian-debbugs by debbugs.gnu.org with local (Exim 4.84_2) (envelope-from ) id 1iWkks-000656-Nd for bug-gnu-emacs@gnu.org; Mon, 18 Nov 2019 12:24:02 -0500 X-Loop: help-debbugs@gnu.org Resent-From: Vincent Lefevre Original-Sender: "Debbugs-submit" Resent-CC: bug-gnu-emacs@gnu.org Resent-Date: Mon, 18 Nov 2019 17:24:02 +0000 Resent-Message-ID: Resent-Sender: help-debbugs@gnu.org X-GNU-PR-Message: followup 29078 X-GNU-PR-Package: emacs Original-Received: via spool by 29078-submit@debbugs.gnu.org id=B29078.157409782023332 (code B ref 29078); Mon, 18 Nov 2019 17:24:02 +0000 Original-Received: (at 29078) by debbugs.gnu.org; 18 Nov 2019 17:23:40 +0000 Original-Received: from localhost ([127.0.0.1]:46171 helo=debbugs.gnu.org) by debbugs.gnu.org with esmtp (Exim 4.84_2) (envelope-from ) id 1iWkkV-00064G-Jh for submit@debbugs.gnu.org; Mon, 18 Nov 2019 12:23:39 -0500 Original-Received: from cventin.lip.ens-lyon.fr ([140.77.13.17]:38780) by debbugs.gnu.org with esmtp (Exim 4.84_2) (envelope-from ) id 1iWkkT-000646-En for 29078@debbugs.gnu.org; Mon, 18 Nov 2019 12:23:38 -0500 Original-Received: from vlefevre by cventin.lip.ens-lyon.fr with local (Exim 4.93-RC2) (envelope-from ) id 1iWkkP-007zkp-EQ; Mon, 18 Nov 2019 18:23:33 +0100 Content-Disposition: inline In-Reply-To: <83pnhp2jse.fsf@gnu.org> X-Mailer-Info: https://www.vinc17.net/mutt/ X-BeenThere: debbugs-submit@debbugs.gnu.org X-Mailman-Version: 2.1.18 Precedence: list X-detected-operating-system: by eggs.gnu.org: GNU/Linux 2.2.x-3.x [generic] X-Received-From: 209.51.188.43 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" Xref: news.gmane.org gmane.emacs.bugs:171920 Archived-At: On 2019-11-18 19:09:37 +0200, Eli Zaretskii wrote: > But now I'm not sure there's a bug here. You evidently expect the > lines of the box-drawing characters to join without gaps, but I'm not > sure what this expectation is based on. For example, Emacs on > MS-Windows doesn't use FreeType, but with a completely different font > I see the gaps here as well. The fact that older versions of FreeType > produced different display doesn't yet mean that display was correct > and the current one isn't. > > So I'm inclined to argue that there's no bug here. What am I missing? AFAIK, from the font description (which does not involve rounding), there is no gap (that's why the FreeType developers suggested not to use the rounded values). Moreover, it does not make much sense to insert a gap. This looks ugly and this wastes screen space. -- Vincent Lefèvre - Web: 100% accessible validated (X)HTML - Blog: Work: CR INRIA - computer arithmetic / AriC project (LIP, ENS-Lyon)