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Re: [ft-devel] Experimental: v38 interpreter with minimal backwards comp


From: Nikolaus Waxweiler
Subject: Re: [ft-devel] Experimental: v38 interpreter with minimal backwards compatibility mode and linear advance widths
Date: Sat, 13 Feb 2016 22:36:36 +0100
User-agent: Mozilla/5.0 (X11; Linux x86_64; rv:38.0) Gecko/20100101 Thunderbird/38.5.0

v5:
- Can cycle through engines in ftview.
- Native ClearType fonts can change advance widths via hdmx table.
- Tricky fonts have backwards compatibility turned off and are therefore considered "native ClearType" in v38. Fixes DFKai-SB. - Implement vertical hinting flag in GETINFO (derived from FT_LOAD_TARGET_LCD_V).

Known problems: some fonts still change advance widths in backwards compatibility mode. I found Essay text and Times New Roman Italic (e.g. '|' or '}'). No idea why yet.

Aside: http://postimg.org/image/j29o6y5ex/ -- Are the glitchy N, V, W in Verdana Bold known bugs? I also found them in a fresh master checkout.

Attachment: v38_interpreter_v5-01-groundwork.patch
Description: Text Data

Attachment: v38_interpreter_v5-02-implement.patch
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