From mboxrd@z Thu Jan 1 00:00:00 1970 X-Msuck: nntp://news.gmane.io/gmane.comp.tex.context/50481 Path: news.gmane.org!not-for-mail From: Taco Hoekwater Newsgroups: gmane.comp.tex.context Subject: Re: MKIV, fonts, confusion Date: Thu, 14 May 2009 13:38:59 +0200 Message-ID: <4A0C02D3.6010909@elvenkind.com> References: <67385EE9-3CC2-4900-B3AA-5D693744D8F0@gmail.com> <4A0BE02D.9070200@elvenkind.com> <4A0BE5AC.3040208@elvenkind.com> <4A0BEAE7.1070809@elvenkind.com> <20090514112146.GB9176@phare.normalesup.org> Reply-To: mailing list for ConTeXt users 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 1242301209 3019 80.91.229.12 (14 May 2009 11:40:09 GMT) X-Complaints-To: usenet@ger.gmane.org NNTP-Posting-Date: Thu, 14 May 2009 11:40:09 +0000 (UTC) To: Mailing list for ConTeXt users Original-X-From: ntg-context-bounces@ntg.nl Thu May 14 13:40:00 2009 Return-path: Envelope-to: gctc-ntg-context-518@m.gmane.org Original-Received: from ronja.vet.uu.nl ([131.211.172.88] helo=ronja.ntg.nl) by lo.gmane.org with esmtp (Exim 4.50) id 1M4ZI8-0001Rz-2n for gctc-ntg-context-518@m.gmane.org; Thu, 14 May 2009 13:40:00 +0200 Original-Received: from localhost (localhost [127.0.0.1]) by ronja.ntg.nl (Postfix) with ESMTP id 1846E1FF9F; Thu, 14 May 2009 13:39:59 +0200 (CEST) Original-Received: from ronja.ntg.nl ([127.0.0.1]) by localhost (smtp.ntg.nl [127.0.0.1]) (amavisd-new, port 10024) with LMTP id 15855-03-2; Thu, 14 May 2009 13:39:18 +0200 (CEST) Original-Received: from ronja.vet.uu.nl (localhost [127.0.0.1]) by ronja.ntg.nl (Postfix) with ESMTP id 044BE1FF79; Thu, 14 May 2009 13:39:18 +0200 (CEST) Original-Received: from localhost (localhost [127.0.0.1]) by ronja.ntg.nl (Postfix) with ESMTP id BDE351FF73 for ; Thu, 14 May 2009 13:39:15 +0200 (CEST) Original-Received: from ronja.ntg.nl ([127.0.0.1]) by localhost (smtp.ntg.nl [127.0.0.1]) (amavisd-new, port 10024) with LMTP id 15855-03 for ; Thu, 14 May 2009 13:39:00 +0200 (CEST) Original-Received: from filter2-ams.mf.surf.net (filter2-ams.mf.surf.net [192.87.102.70]) by ronja.ntg.nl (Postfix) with ESMTP id 457551FF79 for ; Thu, 14 May 2009 13:39:00 +0200 (CEST) Original-Received: from plane.elvenkind.com (elvenknd.xs4all.nl [82.95.203.226]) by filter2-ams.mf.surf.net (8.13.8/8.13.8/Debian-3) with ESMTP id n4EBcxf8030023 for ; Thu, 14 May 2009 13:38:59 +0200 Original-Received: from glenlivet.elvenkind.com (glenlivet.elvenkind.com [10.10.0.6]) by plane.elvenkind.com (Postfix) with ESMTP id A192F8041A0F for ; Thu, 14 May 2009 13:38:59 +0200 (CEST) User-Agent: Thunderbird 2.0.0.21 (X11/20090319) In-Reply-To: <20090514112146.GB9176@phare.normalesup.org> X-Bayes-Prob: 0.0001 (Score 0, tokens from: @@RPTN) X-CanIt-Geo: ip=82.95.203.226; country=NL; region=11; city=Rotterdam; latitude=51.9167; longitude=4.5000; http://maps.google.com/maps?q=51.9167,4.5000&z=6 X-CanItPRO-Stream: uu:ntg-context@ntg.nl (inherits from uu:default, base:default) X-Canit-Stats-ID: 225446297 - f7c42c2edd62 - 20090514 X-Scanned-By: CanIt (www . roaringpenguin . com) on 192.87.102.70 X-Virus-Scanned: amavisd-new at ntg.nl X-BeenThere: ntg-context@ntg.nl X-Mailman-Version: 2.1.11 Precedence: list List-Id: mailing list for ConTeXt users List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Original-Sender: ntg-context-bounces@ntg.nl Errors-To: ntg-context-bounces@ntg.nl X-Virus-Scanned: amavisd-new at ntg.nl Xref: news.gmane.org gmane.comp.tex.context:50481 Archived-At: Arthur Reutenauer wrote: >> when i convert the to TT format i get a correct output > > If Luigi is concerned with rounding errors, he shouldn't do that: > while the coordinates of the points on the curve wouldn't change, all > the control points would need to be recalculated due to the conversion > from cubic to quadratic splines. On the other hand, if you keep CFF > outlines and reset the units per em size from 2048 to 1000, you're of > course exposed to rounding errors, but all the original points are > retained, both points on the curve and control points -- thus it's much > less error-prone, in my opinion. Rounding errors are not that important in this case, and there are downsides to both (o3->o2 touches *only* control points, so in some sense it is more precise than upm change). What's normally more important is that if you convert to ttf, you will loose all hinting information. Best wishes, Taco ___________________________________________________________________________________ If your question is of interest to others as well, please add an entry to the Wiki! maillist : ntg-context@ntg.nl / http://www.ntg.nl/mailman/listinfo/ntg-context webpage : http://www.pragma-ade.nl / http://tex.aanhet.net archive : https://foundry.supelec.fr/projects/contextrev/ wiki : http://contextgarden.net ___________________________________________________________________________________