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Re: [ft-devel] merged CFF and Type1 hinting code now in master

From: Nikolaus Waxweiler
Subject: Re: [ft-devel] merged CFF and Type1 hinting code now in master
Date: Wed, 15 Nov 2017 12:45:49 +0100
User-agent: Mozilla/5.0 (X11; Linux x86_64; rv:52.0) Gecko/20100101 Thunderbird/52.4.0

Unfortunately, it is not possible to recognize this without parsing
the whole font, including all glyphs.  We could argue, however, that a
Type 1 or CFF font that lacks global blue zone information should be
handled by the auto-hinter
No hints should trigger the autohinter, yes.

Until recently, served some Utopia CFF font (I think?!) with blue zones but without hints (result: no hinting). also serves some font without hints (can't determine what kind right now). Google's Caladea and Carlito fonts ship(ped?) with a hinting table stub but no hints, but that triggered the autohinter iirc.

Blue zone/hinting table detection is a first line of defence, but you have to check for hints to be sure.

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