And maybe made configurable from fontconfig like what the Cleartype
tuner on Windows 7/8 does.
Yes, maybe. However, stem darkening is a font driver property and not
to be changed font-wise.
Werner
Within the new CFF hinter, stem darkening automatically accounts for font
weight. At a given size, the darkening amount is greater for light fonts and
less for bold fonts.
The most important dependency is on linear blending (or gamma correction) in
the compositing of glyph images onto the screen. The stem darkening function
assumes blending with a gamma close to 1.8. If linear blending is not used
(e.g., gamma 1.0) then black text will appear too dark. This might be a
situation where you'd want to disable stem darkening. But white text would
suffer. It really is important to use proper blending!
-Dave
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