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Update README.md

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nothings 2014-12-06 23:50:34 -08:00
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tests/oversample/README.md
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@ -79,13 +79,16 @@ this doesn't like a very good way for fonts to work.
Multiple people who have experimented with this independently (me,
Fabian Giesen,and Maxim Shemanarev of Anti-Grain Geometry) have all
concluded that correct gamma-correction does not produce the best
results for fonts. font rendering just generally looks better without
gamma correction (or probably with some arbitrary power stuck in
results for fonts. Font rendering just generally looks better without
gamma correction (or possibly with some arbitrary power stuck in
there, but it's not really correcting for gamma at that point). Maybe
this is in part a product of how we're used to fonts being on screens
which has changed how we expect them to look (e.g. perhaps hinting
oversharpens them and prevents the real-world thinning you'd see in
a black-on-white text).
(AGG link on text rendering, including mention of gamma:
http://www.antigrain.com/research/font_rasterization/ )
Nevertheless, even if you turn on gamma-correction, you will find that
oversampling still helps in many cases for small fonts.