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 system of emacs Date: Fri, 29 Jan 2010 19:30:21 +0200 Message-ID: <83fx5ostsi.fsf@gnu.org> References: <27349166.post@talk.nabble.com> <83bpge50k5.fsf@gnu.org> <87vdem8gly.fsf@catnip.gol.com> <87k4v1xm4l.fsf@gmail.com> <87ljfhkyg2.fsf@lola.goethe.zz> <83r5p9rviq.fsf@gnu.org> <87sk9paqw7.fsf@catnip.gol.com> Reply-To: Eli Zaretskii NNTP-Posting-Host: lo.gmane.org X-Trace: ger.gmane.org 1264786340 16633 80.91.229.12 (29 Jan 2010 17:32:20 GMT) X-Complaints-To: usenet@ger.gmane.org NNTP-Posting-Date: Fri, 29 Jan 2010 17:32:20 +0000 (UTC) Cc: dak@gnu.org, lennart.borgman@gmail.com, emacs-devel@gnu.org To: Miles Bader Original-X-From: emacs-devel-bounces+ged-emacs-devel=m.gmane.org@gnu.org Fri Jan 29 18:32:17 2010 Return-path: Envelope-to: ged-emacs-devel@m.gmane.org Original-Received: from lists.gnu.org ([199.232.76.165]) by lo.gmane.org with esmtp (Exim 4.69) (envelope-from ) id 1NaugN-0001Oz-0N for ged-emacs-devel@m.gmane.org; Fri, 29 Jan 2010 18:32:17 +0100 Original-Received: from localhost ([127.0.0.1]:41320 helo=lists.gnu.org) by lists.gnu.org with esmtp (Exim 4.43) id 1NaugG-0001JY-EB for ged-emacs-devel@m.gmane.org; Fri, 29 Jan 2010 12:30:52 -0500 Original-Received: from mailman by lists.gnu.org with tmda-scanned (Exim 4.43) id 1NaugA-0001JT-98 for emacs-devel@gnu.org; Fri, 29 Jan 2010 12:30:46 -0500 Original-Received: from exim by lists.gnu.org with spam-scanned (Exim 4.43) id 1Naug4-0001JH-75 for emacs-devel@gnu.org; Fri, 29 Jan 2010 12:30:44 -0500 Original-Received: from [199.232.76.173] (port=60216 helo=monty-python.gnu.org) by lists.gnu.org with esmtp (Exim 4.43) id 1Naug4-0001JE-3T for emacs-devel@gnu.org; Fri, 29 Jan 2010 12:30:40 -0500 Original-Received: from mtaout21.012.net.il ([80.179.55.169]:61626) by monty-python.gnu.org with esmtp (Exim 4.60) (envelope-from ) id 1Naufs-0004SQ-P4; Fri, 29 Jan 2010 12:30:29 -0500 Original-Received: from conversion-daemon.a-mtaout21.012.net.il by a-mtaout21.012.net.il (HyperSendmail v2007.08) id <0KX000I00R53GI00@a-mtaout21.012.net.il>; Fri, 29 Jan 2010 19:30:21 +0200 (IST) Original-Received: from HOME-C4E4A596F7 ([77.127.180.161]) by a-mtaout21.012.net.il (HyperSendmail v2007.08) with ESMTPA id <0KX000II3RAKDV10@a-mtaout21.012.net.il>; Fri, 29 Jan 2010 19:30:21 +0200 (IST) In-reply-to: <87sk9paqw7.fsf@catnip.gol.com> X-012-Sender: halo1@inter.net.il X-detected-operating-system: by monty-python.gnu.org: Solaris 10 (beta) X-BeenThere: emacs-devel@gnu.org X-Mailman-Version: 2.1.5 Precedence: list List-Id: "Emacs development discussions." List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Original-Sender: emacs-devel-bounces+ged-emacs-devel=m.gmane.org@gnu.org Errors-To: emacs-devel-bounces+ged-emacs-devel=m.gmane.org@gnu.org Xref: news.gmane.org gmane.emacs.devel:120658 Archived-At: > From: Miles Bader > Cc: dak@gnu.org, lennart.borgman@gmail.com, emacs-devel@gnu.org > Date: Sat, 30 Jan 2010 00:10:16 +0900 > > Eli Zaretskii writes: > >> Emacs, which doesn't maintain a separate "layed-out-document" data > >> structure at all > > > > Actually, I think it does: that's the "glyph matrices", which are a > > structured description of what should be drawn. The display-specific > > back end then actually draws the glyphs according to what the glyph > > matrix tells it. > > That is only used for the portion of the document actually being > displayed on the screen at the moment But of course: that's all Emacs display engine cares about.