From: Hans Hagen <pragma@wxs.nl>
To: mailing list for ConTeXt users <ntg-context@ntg.nl>
Subject: hz and protrusion
Date: Fri, 15 Feb 2008 19:08:33 +0100 [thread overview]
Message-ID: <47B5D521.1090200@wxs.nl> (raw)
Hi,
The latest luatex beta + mkiv support hz and protruding. The user
interface will be extended a bit, but for the moment it goes as follows:
% engine=luatex
% \setupfontexpansion [quality][stretch=2.5,shrink=2.5,step=.5,factor=1]
\setupfontexpansion[oeps][a=1,b=2]
\setuptolerance[verytolerant,stretch] \showframe
\starttext
\definefontfeature[demo][default][mode=node,expansion=quality,protrusion=pure]
\start
\definedfont[Serif*demo at 12pt] \enableadjusting
\enableprotruding \input tufte \par
%\definedfont[name:optimanova*demo at 12pt] \enableadjusting
\enableprotruding \input tufte \par
\stop
\stoptext
(or the usual \setupalign options)
As you may deduce from this example, handling is gone in mkiv. This not
only safes some 40K format file, but the new mechanism also runs faster
(some 10% overhead on 300 pages of pure text, which is rare).
At some point we need to extend the hz/protruding vectors in mkiv to
cover non latin scripts as well (currently they default to factors of
1). As with mkiv, latin glyphs fall back to their shape parent.
Under some circumstances hz may not work as expected. Fixing this is on
the agenda for the next luatex beta release.
Hans
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next reply other threads:[~2008-02-15 18:08 UTC|newest]
Thread overview: 3+ messages / expand[flat|nested] mbox.gz Atom feed top
2008-02-15 18:08 Hans Hagen [this message]
2008-03-03 5:08 ` David Wooten
2008-03-03 9:57 ` Hans Hagen
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