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Re: [ft-devel] Autohinter: stem darkening, first rough prototype
From: |
Alexei Podtelezhnikov |
Subject: |
Re: [ft-devel] Autohinter: stem darkening, first rough prototype |
Date: |
Wed, 26 Aug 2015 09:02:18 -0400 |
On Tue, Aug 25, 2015 at 6:50 PM, Dave Arnold <address@hidden> wrote:
> It should be monotonic. It should have a minimum of
> around .4 or .5 pixels. It should go to zero at around 2 pixels.
darkening = stem < 2 ? 0.5 - stem / 4 : 0; /* THIS IS IT! */
Why does it have to be more complex than this and be so kinky?
Perhaps, the piecewise-linear function was fitted specifically for
light regular and bold, wasn't it? I am just guessing, while wandering
if we really need it.
- [ft-devel] Autohinter: stem darkening, first rough prototype, Nikolaus Waxweiler, 2015/08/23
- Re: [ft-devel] Autohinter: stem darkening, first rough prototype, Alexei Podtelezhnikov, 2015/08/23
- Re: [ft-devel] Autohinter: stem darkening, first rough prototype, Werner LEMBERG, 2015/08/23
- Re: [ft-devel] Autohinter: stem darkening, first rough prototype, Alexei Podtelezhnikov, 2015/08/24
- Re: [ft-devel] Autohinter: stem darkening, first rough prototype, Werner LEMBERG, 2015/08/24
- Re: [ft-devel] Autohinter: stem darkening, first rough prototype, Dave Arnold, 2015/08/25
- Re: [ft-devel] Autohinter: stem darkening, first rough prototype,
Alexei Podtelezhnikov <=
- Re: [ft-devel] Autohinter: stem darkening, first rough prototype, Dave Arnold, 2015/08/26
- Re: [ft-devel] Autohinter: stem darkening, first rough prototype, Werner LEMBERG, 2015/08/26
- Re: [ft-devel] Autohinter: stem darkening, first rough prototype, Behdad Esfahbod, 2015/08/26
- Re: [ft-devel] Autohinter: stem darkening, first rough prototype, Werner LEMBERG, 2015/08/27
- Re: [ft-devel] Autohinter: stem darkening, first rough prototype, Alexei Podtelezhnikov, 2015/08/27
- Re: [ft-devel] Autohinter: stem darkening, first rough prototype, Werner LEMBERG, 2015/08/27
- Re: [ft-devel] Autohinter: stem darkening, first rough prototype, Alexei Podtelezhnikov, 2015/08/27
- Re: [ft-devel] Autohinter: stem darkening, first rough prototype, Nikolaus Waxweiler, 2015/08/27
- Re: [ft-devel] Autohinter: stem darkening, first rough prototype, Alexei Podtelezhnikov, 2015/08/27
- Re: [ft-devel] Autohinter: stem darkening, first rough prototype, Nikolaus Waxweiler, 2015/08/27