ATSUI, AAT and OpenType
ATSUI, AAT and OpenType
- Subject: ATSUI, AAT and OpenType
- From: Uli Zappe <email@hidden>
- Date: Wed, 23 Jun 2004 10:09:17 +0200
Hi,
I'm forwarding the following post from the Omnigroup's OS X developer
list to this group and to Aki upon recommendation by that list.
Uli
-----------------
Hi all,
the following is a quite specific question, but since I didn't find a
dedicated forum for Mac OS X typographic technology anywhere, I figured
that maybe the wisdom of this mailing list might even cover this topic.
:-)
Conventional wisdom says that ATSUI deals only with Apple's own AAT
format as far as typographic features are concerned. I.e. you need an
AAT enhanced font to see any typographic features offered in the
Typography Panel that you can reach from the Action pull-down menu in
Cocoa's Font Panel; OpenType fonts with typographic features in the
OpenType format won't work (the Typography Panel incorrectly reports
"No typographic features in this font").
This is a bad thing because there are thousands of OpenType fonts,
whereas the only AAT enhanced fonts I know of are the ones that come
with Mac OS X.
But anyway, the strange thing is that there *are* a few OpenType fonts
that do work although they do *not* incorporate the AAT table that is
relevant for typographic features (the 'morx' table). These are some of
the Asian Mac OS X system fonts that Apple delivers in CFF (=
PostScript Type 1) OpenType format (*.otf), e.g. the Hiraginu family.
The typographic features in these fonts are clearly encoded in the
OpenType format, and yet the Cocoa Typography Panel displays them.
Now, the question is: in what do these CFF OpenType fonts differ from
the "usual" CFF OpenType fonts that don't work? Does this mean that an
OpenType font that's configured in some specific way will work with
ATSUI?
Does anyone here have any idea/hint/link?
Thanks a lot in advance for any insight!
Bye
Uli
________________________________________________________
Uli Zappe, Solmsstra_e 5, D-65189 Wiesbaden, Germany
http://www.ritual.org
Fon: +49-700-ULIZAPPE
Fax: +49-700-ZAPPEFAX
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