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Re: [ft-devel] New `slight' auto-hinting mode
From: |
Alexei Podtelezhnikov |
Subject: |
Re: [ft-devel] New `slight' auto-hinting mode |
Date: |
Tue, 2 May 2017 09:46:59 -0400 |
>> /*
>> * TODO: This code currently doesn't support fractional advance widths,
>> * i.e., placing hinted glyphs at anything other than integer
>> * x-positions. This is only relevant for the warper code, which
>> * scales and shifts glyphs to optimize blackness of stems (hinting on
>> * the x-axis by nature places things on pixel integers, hinting on the
>> * y-axis only, i.e., LIGHT mode, doesn't touch the x-axis). The delta
>> * values of the scaler would need to be adjusted.
>> */
>>
>> I guess it's obsolete now?
>
> Not yet IMHO. We should wait until we have a `normal' warping mode
> (as suggested by Alexei).
This sounds like a plan. Fractional advances will wait until the next
release. Specifically, would you agree with this plan?
- Autohinter warping option will migrate from LIGHT to NORMAL
- Autohinter LIGHT and LCD modes will switch to fractional advances
- Native TrueType v40 will switch to fractional advances
Re v40, do you follow GETINFO bits
https://www.microsoft.com/typography/cleartype/truetypecleartype.aspx#Toc227035734
? FreeType CFF also has LIGHT mode, I think. What about Adobe CFF?
Alexei
- Re: [ft-devel] New `slight' auto-hinting mode, Werner LEMBERG, 2017/05/01
- Re: [ft-devel] New `slight' auto-hinting mode, Alexei Podtelezhnikov, 2017/05/01
- Re: [ft-devel] New `slight' auto-hinting mode, Nikolaus Waxweiler, 2017/05/01
- Re: [ft-devel] New `slight' auto-hinting mode, Werner LEMBERG, 2017/05/02
- Re: [ft-devel] New `slight' auto-hinting mode, Alexei Podtelezhnikov, 2017/05/02
- Re: [ft-devel] New `slight' auto-hinting mode, Werner LEMBERG, 2017/05/03
- Re: [ft-devel] New `slight' auto-hinting mode, Alexei Podtelezhnikov, 2017/05/03
- Re: [ft-devel] New `slight' auto-hinting mode, Werner LEMBERG, 2017/05/03
- Re: [ft-devel] New `slight' auto-hinting mode, Alexei Podtelezhnikov, 2017/05/03
- Re: [ft-devel] New `slight' auto-hinting mode, Werner LEMBERG, 2017/05/03
- Re: [ft-devel] New `slight' auto-hinting mode, Nikolaus Waxweiler, 2017/05/03