Re: [indic] Re: Lack of Complex script rendering support on Android

From: John Hudson <>
Date: Fri, 04 Nov 2011 16:11:03 -0400

Mahesh T. Pai wrote:

> It is another matter that no font actually uses a non-opentype layout,
> which basically requires putting the "non-encoded" glyphs in the
> Private Use Area (PUA), and then call the glyphs by a name.

PUA isn't necessary, and a font technology that handles elements of
complex script shaping by referencing PUAs isn't fundamentally any
different from one that uses glyph names or another identifier and
leaves the glyph unencoded.

What OpenType does is to provide, in the font, some of the
glyph-to-glyph mapping and positioning data that would otherwise have to
reside elsewhere in the OS-app-font matrix.

Received on Fri Nov 04 2011 - 15:16:41 CDT

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