From mboxrd@z Thu Jan 1 00:00:00 1970 Path: news.gmane.org!not-for-mail From: finalpatch Newsgroups: gmane.emacs.devel Subject: Re: font-backend Date: Fri, 22 Feb 2008 14:00:00 +0000 (UTC) Message-ID: References: <8463wrm4ls.fsf@gmail.com> <47B55785.8030802@gnu.org> <47B607C6.20601@gnu.org> <47B61D6A.3070004@gnu.org> <878x1lye80.fsf@catnip.gol.com> NNTP-Posting-Host: lo.gmane.org Mime-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Transfer-Encoding: 7bit X-Trace: ger.gmane.org 1203688840 28047 80.91.229.12 (22 Feb 2008 14:00:40 GMT) X-Complaints-To: usenet@ger.gmane.org NNTP-Posting-Date: Fri, 22 Feb 2008 14:00:40 +0000 (UTC) To: emacs-devel@gnu.org Original-X-From: emacs-devel-bounces+ged-emacs-devel=m.gmane.org@gnu.org Fri Feb 22 15:01:05 2008 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 4.50) id 1JSYSQ-0001iV-9l for ged-emacs-devel@m.gmane.org; Fri, 22 Feb 2008 15:00:58 +0100 Original-Received: from localhost ([127.0.0.1] helo=lists.gnu.org) by lists.gnu.org with esmtp (Exim 4.43) id 1JSYRv-0004Iv-1Q for ged-emacs-devel@m.gmane.org; Fri, 22 Feb 2008 09:00:27 -0500 Original-Received: from mailman by lists.gnu.org with tmda-scanned (Exim 4.43) id 1JSYRo-0004Hc-2E for emacs-devel@gnu.org; Fri, 22 Feb 2008 09:00:20 -0500 Original-Received: from exim by lists.gnu.org with spam-scanned (Exim 4.43) id 1JSYRk-0004FG-S3 for emacs-devel@gnu.org; Fri, 22 Feb 2008 09:00:19 -0500 Original-Received: from [199.232.76.173] (helo=monty-python.gnu.org) by lists.gnu.org with esmtp (Exim 4.43) id 1JSYRj-0004F2-Rr for emacs-devel@gnu.org; Fri, 22 Feb 2008 09:00:16 -0500 Original-Received: from main.gmane.org ([80.91.229.2] helo=ciao.gmane.org) by monty-python.gnu.org with esmtps (TLS-1.0:RSA_AES_256_CBC_SHA1:32) (Exim 4.60) (envelope-from ) id 1JSYRj-0003Kk-Cp for emacs-devel@gnu.org; Fri, 22 Feb 2008 09:00:15 -0500 Original-Received: from list by ciao.gmane.org with local (Exim 4.43) id 1JSYRb-0003JD-BI for emacs-devel@gnu.org; Fri, 22 Feb 2008 14:00:07 +0000 Original-Received: from c122-107-196-188.eburwd5.vic.optusnet.com.au ([122.107.196.188]) by main.gmane.org with esmtp (Gmexim 0.1 (Debian)) id 1AlnuQ-0007hv-00 for ; Fri, 22 Feb 2008 14:00:07 +0000 Original-Received: from fengli by c122-107-196-188.eburwd5.vic.optusnet.com.au with local (Gmexim 0.1 (Debian)) id 1AlnuQ-0007hv-00 for ; Fri, 22 Feb 2008 14:00:07 +0000 X-Injected-Via-Gmane: http://gmane.org/ Original-Lines: 24 Original-X-Complaints-To: usenet@ger.gmane.org X-Gmane-NNTP-Posting-Host: main.gmane.org User-Agent: Loom/3.14 (http://gmane.org/) X-Loom-IP: 122.107.196.188 (Mozilla/5.0 (Windows; U; Windows NT 6.0; en-US; rv:1.8.1.12) Gecko/20080201 Firefox/2.0.0.12) X-detected-kernel: by monty-python.gnu.org: Linux 2.6, seldom 2.4 (older, 4) 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:89961 Archived-At: Kenichi Handa m17n.org> writes: > In article gnu.org>, Eli Zaretskii > gnu.org> writes: > > > Can someone "in the know" please post an > explanation of the > > > font-backend feature, and what are its > advantages/disadvantages? > > > > The reason most people seem to use it > (and I think just about > > _everybody_ who I've seen mention building > unicode-branch or post-merge > > emacs, seems to) because they want > anti-aliased fonts. > > > > Some other advantages might be better > integration with modern > > client-side font mechanisms, particularly > font-selection, instead of > > using the traditional (and largely regarded > as "crufty") X font > > mechanism. I think the biggest advantage is the > Emacs can use OTF with the font-backend mechanism. For such script as > Indic, it's vital matter. > Thanks, but I also asked about disadvantages. > Once the code gets stable, I think there's no disadvantage. --- Kenichi > Handa handa ni.aist.go.jp Just tested the font-backend build on windows, and there are 2 obvious problems I have noticed. 1) the rendering speed is painfully slow, even on my core2 cpu. 2) it cannot render italic font correctly for non-ascii chars(they are displayed as boxes). Now the bright side, the annoy vertical lines and incomplete rendered chars are completely gone, cool. if the above mentioned issues are fixed, i see no reason not to use it as the default.