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Re: [ft-devel] GX support now working

From: Werner LEMBERG
Subject: Re: [ft-devel] GX support now working
Date: Fri, 26 Jun 2015 07:55:49 +0200 (CEST)

Hello Dave!

> I've checked around at Adobe, and find that my memory is
> incorrect. The small sizes are non-zero and the large sizes are
> even-odd.
> The threshold is 400 ppem. Below that size, a "center scan"
> algorithm is used.  It is a newer algorithm than the original scan
> converter and produces better results.

Please define `better results'.  I've always thought that either rule
yields a non-ambiguous result...

> The TrueType rasterizer that Adobe licenses from Microsoft has its
> own scan converter.

Good to know, thanks.


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