Re: [ft-devel] Autohinter: stem darkening, first rough prototype

[Alexei Podtelezhnikov]

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.