From mboxrd@z Thu Jan 1 00:00:00 1970 Path: news.gmane.org!not-for-mail From: Miles Bader Newsgroups: gmane.emacs.devel Subject: Re: redisplay system of emacs Date: Sat, 30 Jan 2010 00:10:16 +0900 Message-ID: <87sk9paqw7.fsf@catnip.gol.com> 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> Reply-To: Miles Bader NNTP-Posting-Host: lo.gmane.org Mime-Version: 1.0 Content-Type: text/plain; charset=us-ascii X-Trace: ger.gmane.org 1264777846 13708 80.91.229.12 (29 Jan 2010 15:10:46 GMT) X-Complaints-To: usenet@ger.gmane.org NNTP-Posting-Date: Fri, 29 Jan 2010 15:10:46 +0000 (UTC) Cc: dak@gnu.org, lennart.borgman@gmail.com, emacs-devel@gnu.org To: Eli Zaretskii Original-X-From: emacs-devel-bounces+ged-emacs-devel=m.gmane.org@gnu.org Fri Jan 29 16:10:42 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 1NasUc-0007S7-1J for ged-emacs-devel@m.gmane.org; Fri, 29 Jan 2010 16:10:42 +0100 Original-Received: from localhost ([127.0.0.1]:38215 helo=lists.gnu.org) by lists.gnu.org with esmtp (Exim 4.43) id 1NasUb-0001Dt-A4 for ged-emacs-devel@m.gmane.org; Fri, 29 Jan 2010 10:10:41 -0500 Original-Received: from mailman by lists.gnu.org with tmda-scanned (Exim 4.43) id 1NasUV-0001Dm-4I for emacs-devel@gnu.org; Fri, 29 Jan 2010 10:10:35 -0500 Original-Received: from exim by lists.gnu.org with spam-scanned (Exim 4.43) id 1NasUP-0001DC-Iy for emacs-devel@gnu.org; Fri, 29 Jan 2010 10:10:33 -0500 Original-Received: from [199.232.76.173] (port=60068 helo=monty-python.gnu.org) by lists.gnu.org with esmtp (Exim 4.43) id 1NasUP-0001D9-Ai for emacs-devel@gnu.org; Fri, 29 Jan 2010 10:10:29 -0500 Original-Received: from smtp12.dentaku.gol.com ([203.216.5.74]:44836) by monty-python.gnu.org with esmtps (TLS-1.0:RSA_AES_256_CBC_SHA1:32) (Exim 4.60) (envelope-from ) id 1NasUI-0006e6-Aj; Fri, 29 Jan 2010 10:10:23 -0500 Original-Received: from 218.231.96.8.eo.eaccess.ne.jp ([218.231.96.8] helo=catnip.gol.com) by smtp12.dentaku.gol.com with esmtpa (Dentaku) id 1NasUF-000278-9J; Sat, 30 Jan 2010 00:10:19 +0900 Original-Received: by catnip.gol.com (Postfix, from userid 1000) id E062DDF8E; Sat, 30 Jan 2010 00:10:16 +0900 (JST) System-Type: x86_64-unknown-linux-gnu In-Reply-To: <83r5p9rviq.fsf@gnu.org> (Eli Zaretskii's message of "Fri, 29 Jan 2010 13:38:21 +0200") Original-Lines: 18 X-Virus-Scanned: ClamAV GOL (outbound) X-Abuse-Complaints: abuse@gol.com X-detected-operating-system: by monty-python.gnu.org: GNU/Linux 2.6 (newer, 3) 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:120655 Archived-At: 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, though, so it's more of a temporary data structure representing the current screen than a "layed-out" copy of the entire document like Mozilla uses. -Miles -- Brain, n. An apparatus with which we think we think.