Re: How is glyph shaping done?

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For information on how this is handled on Mac OS, please see:

http://developer.apple.com/fonts/

Deborah Goldsmith
Manager, Fonts & Unicode
Apple Computer, Inc.
goldsmit@apple.com

On Friday, January 31, 2003, at 11:03 AM, John Hudson wrote:

> On Windows, the shaping engines for complex scripts are part of
> Uniscribe (usp10.dll) and make use of OpenType font technology. An
> Arabic OpenType font will contain layout features for Initial <init>,
> Medial <medi> and Final <fini> substitutions (and possibly Isolated
> <isol>, e.g. to handle contextual variation of the letter heh).
> Uniscribe analyses strings of Arabic text, keeps track of the position
> of letters and their neighbours, and implements the appropriate layout
> feature for each letter.
>
> For more information, see
> http://www.microsoft.com/typography/developers/opentype/default.htm,
> and the MS Arabic font specification at
> http://www.microsoft.com/typography/specs/default.htm
>

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