Re: [ft-devel] gamma correction and FreeType

[Alexei Podtelezhnikov]

FWIW, instead of power gamma correction, the rational expressions can
often work well:

gamma 1.7:  x*x/(0.4x+0.6)
gamma 1.4:  x*x/(0.7x+0.3)

in case something quick is needed in FreeType or outside.



On Fri, Nov 1, 2013 at 2:25 AM, Antti Lankila <address@hidden> wrote:
>
> Dave Arnold <address@hidden> kirjoitti 1.11.2013 kello 1.06:
>
> Attached is an image comparing the effects of blending gamma and stem
> darkening on different colors of antialiased text (CFF font
> MyriadPro-Regular).
>
>
> Thanks for the interesting image.
>
> Could you humor me and also provide gamma 2.2 versions for comparison?
>
> —
> Antti
>
>
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-- 
Alexei A. Podtelezhnikov, PhD