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| From: | Nikolaus Waxweiler |
| Subject: | Re: [ft-devel] Autohinter: stem darkening, first rough prototype |
| Date: | Mon, 31 Aug 2015 14:10:43 +0200 |
| User-agent: | Mozilla/5.0 (X11; Linux x86_64; rv:38.0) Gecko/20100101 Thunderbird/38.1.0 |
I had a quick look at various fonts and darkening seemed fine, but CJK glyphs (SourceHanSansCN-Regular.otf) appeared a bit thin compared to the CFF engine. Will investigate... some other time.
I think I figured it out. Reverted commit c5b5e469b34ddc87fa379bfa0a5379835191ee23.
Turns out my fix was no fix. The original algorithm used by the CFF engine halved the darkeningAmount for each side. In the autohinter, FT_Outline_EmboldenXY does it for us, so don't halve. This leads to much thicker stems, especially for CJK glyphs.
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