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From: | Nikolaus Waxweiler |
Subject: | Re: [ft-devel] Autohinter: stem darkening, first rough prototype |
Date: | Tue, 1 Sep 2015 22:26:38 +0200 |
User-agent: | Mozilla/5.0 (X11; Linux x86_64; rv:38.0) Gecko/20100101 Thunderbird/38.2.0 |
What is the situation with SanSerif fonts? Serifs may turn to spikes at low resolutions. This is problematic for the emboldener. If SanSerifs are better, try -0xDDB4 on ftoutln.c:978. This will more aggressively reject 150-degree or sharper spikes.
http://postimg.org/image/nuivug5l7 Gamma: 1.8 Top row: git master, no emboldening.Bottom row: emboldening (default CFF parameters, lower size limit 4ppem), your safe guard and -0xDDB4.
Still ugly.You can experiment yourself if you want to, clone my branch and do e.g. "LD_PRELOAD=objs/.libs/libfreetype.so ftview 16 /usr/share/fonts/dejavu/DejaVuSerif.ttf"
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