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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: |
Thu, 27 Aug 2015 11:44:31 -0400 |
On Thu, Aug 27, 2015 at 10:46 AM, Nikolaus Waxweiler <address@hidden> wrote:
>> The look of the function is documented and it blows my mind. I want to
>> know what they smoked. You simply cannot find such beasts in nature
>> short of quantum mechanics. I simply cannot trust that it was
>> optimized rationally by looking at the rendering results, because
>> optimizing in 8-dimensional space is not for humans and their eyes. My
>> head explodes when I look at this function and I have this feeling in
>> my mouth. I am scared and I cannot dare to touch it. God bless those
>> who want to tune it.
>
>
> Could you implement your curve in the context of
> af_loader_compute_darkening() and send it to me? Because my brain currently
> doesn't grok the math behind character and device-pixel space conversion ;D
> Then we can compare and see what's better :)
>
The simplest is to check if you see any difference with this set of parameters:
#define CFF_CONFIG_OPTION_DARKENING_PARAMETER_X1 0
#define CFF_CONFIG_OPTION_DARKENING_PARAMETER_Y1 500
#define CFF_CONFIG_OPTION_DARKENING_PARAMETER_X2 2000
#define CFF_CONFIG_OPTION_DARKENING_PARAMETER_Y2 0
#define CFF_CONFIG_OPTION_DARKENING_PARAMETER_X3 2000
#define CFF_CONFIG_OPTION_DARKENING_PARAMETER_Y3 0
#define CFF_CONFIG_OPTION_DARKENING_PARAMETER_X4 2000
#define CFF_CONFIG_OPTION_DARKENING_PARAMETER_Y4 0
- Re: [ft-devel] Autohinter: stem darkening, first rough prototype, (continued)
- 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, 2015/08/26
- 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 <=
- Re: [ft-devel] Autohinter: stem darkening, first rough prototype, Nikolaus Waxweiler, 2015/08/27
- Re: [ft-devel] Autohinter: stem darkening, first rough prototype, Dave Arnold, 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, Behdad Esfahbod, 2015/08/28
- Re: [ft-devel] Autohinter: stem darkening, first rough prototype, Werner LEMBERG, 2015/08/28
- Re: [ft-devel] Autohinter: stem darkening, first rough prototype, Behdad Esfahbod, 2015/08/28
- Re: [ft-devel] Autohinter: stem darkening, first rough prototype, Werner LEMBERG, 2015/08/29
- Re: [ft-devel] Autohinter: stem darkening, first rough prototype, Behdad Esfahbod, 2015/08/30
- Re: [ft-devel] Autohinter: stem darkening, first rough prototype, Werner LEMBERG, 2015/08/31