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doc: foot.ini: gamma-correct: move section

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Daniel Eklöf 2025-03-23 17:00:19 +01:00
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doc/foot.ini.5.scd
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@ -208,11 +208,6 @@ empty string to be set, but it must be quoted: *KEY=""*)
background will appear thicker, and dark glyphs on a light
background will appear thinner.
Also be aware that many fonts have been developed on systems that
do not do gamma-correct blending, and may therefore look thicker
than intended when rendered with gamma-correct blending, since the
font designer set the font weight based on incorrect rendering.
FreeType can limit the effect of the latter, with a technique
called stem darkening. It is only available for CFF fonts
(OpenType, .otf) and disabled by default (in FreeType). You can
@ -220,6 +215,11 @@ empty string to be set, but it must be quoted: *KEY=""*)
*FREETYPE_PROPERTIES="cff:no-stem-darkening=0"* before starting
foot.
Also be aware that many fonts have been developed on systems that
do not do gamma-correct blending, and may therefore look thicker
than intended when rendered with gamma-correct blending, since the
font designer set the font weight based on incorrect rendering.
You may also want to enable 10-bit image buffers when
gamma-correct blending is enabled. Though probably only if you do
not use a transparent background (with 10-bit buffers, you only