From: Steve White <stevan.white@gmail.com>
To: mailing list for ConTeXt users <ntg-context@ntg.nl>
Subject: Re: 'kern': TrueType table and GPOS lookup feature
Date: Sun, 2 Dec 2012 15:32:49 +0100 [thread overview]
Message-ID: <CAEmWKkQDNz7pN_=mAKJkquM+pS1GEKaKUoW2D5rsiCyw9p7W3Q@mail.gmail.com> (raw)
In-Reply-To: <20121202131204.GA15717@khaled-laptop>
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Determinig the script from the text is not hard.
It has been done in many projects.
On Sun, Dec 2, 2012 at 2:12 PM, Khaled Hosny <khaledhosny@eglug.org> wrote:
> On Sun, Dec 02, 2012 at 10:58:56AM +0100, Steve White wrote:
> > Hi all,
> >
> > I finally got something like Pablo's test working on my system. It
> doesn't
> > show much new. As had already been established, with the right ConTeXt
> > switches, OpenType features of kerning and ligatures work correctly with
> > FreeSerif.
> >
> > Find attached. If there's a better way to do this, please comment: I may
> > put some of this in the FreeFront usage notes. (Hm... I may tighten the
> > italic y a bit.)
> >
> > A question remains: Why does ConTeXt (like some other TeX derivatives
> that
> > use OpenType) not determine the OpenType script of runs of text from the
> > Unicode (or other encoding) character range? All other font layout
> systems
> > I know of do this. (Remember- a run of text in the OpenType sense is not
> > the same as the scope of a TeX environment, it is typically a word,
> > separated by white space or punctuation.)
>
> Determining the script of a run of text is not that simple, take
> "english (ARABIC.)"; to which script should the parenthesis and the
> period be classified? (they have a "common" script property in Unicode
> and not assigned to any given script). Unicode annex #24 provides an
> algorithm for to handle this that an engine should implement:
> http://www.unicode.org/reports/tr24/
>
> Regards,
> Khaled
>
> ___________________________________________________________________________________
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>
> maillist : ntg-context@ntg.nl /
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>
> ___________________________________________________________________________________
>
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___________________________________________________________________________________
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 : http://foundry.supelec.fr/projects/contextrev/
wiki : http://contextgarden.net
___________________________________________________________________________________
next prev parent reply other threads:[~2012-12-02 14:32 UTC|newest]
Thread overview: 39+ messages / expand[flat|nested] mbox.gz Atom feed top
2012-11-30 7:06 Pablo Rodríguez
2012-11-30 9:13 ` Hans Hagen
2012-11-30 9:58 ` Steve White
2012-11-30 10:18 ` luigi scarso
2012-11-30 11:40 ` Steve White
2012-11-30 12:24 ` luigi scarso
2012-11-30 14:25 ` Steve White
2012-11-30 15:30 ` luigi scarso
2012-11-30 15:38 ` Hans Hagen
2012-11-30 18:12 ` Steve White
2012-11-30 18:22 ` Hans Hagen
2012-11-30 19:37 ` luigi scarso
2012-11-30 21:25 ` Steve White
2012-11-30 22:02 ` Hans Hagen
2012-11-30 23:57 ` Pablo Rodríguez
2012-12-01 16:22 ` Steve White
2012-12-01 19:22 ` luigi scarso
2012-12-01 19:38 ` Aditya Mahajan
2012-12-01 19:46 ` luigi scarso
2012-12-01 19:58 ` Aditya Mahajan
2012-12-01 21:09 ` luigi scarso
2012-12-02 9:58 ` Steve White
2012-12-02 13:12 ` Khaled Hosny
2012-12-02 14:32 ` Steve White [this message]
2012-12-02 14:49 ` Khaled Hosny
2012-12-02 10:10 ` Steve White
2012-12-02 10:24 ` luigi scarso
2012-12-02 10:43 ` Wolfgang Schuster
2012-12-02 11:08 ` Steve White
2012-12-02 11:48 ` luigi scarso
2012-11-30 15:43 ` Hans Hagen
2012-11-30 14:13 ` Khaled Hosny
2012-11-30 15:41 ` Hans Hagen
2012-11-30 16:05 ` Hans Hagen
2012-11-30 16:39 ` Bill Meahan
2012-11-30 18:08 ` Steve White
2012-11-30 19:07 ` Bill Meahan
2012-11-30 21:24 ` Steve White
2012-11-30 18:34 ` Steve White
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