Posted By
IstvanV
on 2007-09-22
16:53:15
|  Re: So I want to do plus/4 gfx...
I am somewhat confused. The Pepto page basically says that:
sqrt(U * U + V * V) = constant
and
R = Y + 1,140 * V
G = Y - 0,396 * U - 0,581 * V
B = Y + 2,029 * U
This is really the same as what I am using (the formula in my 2007-09-02 post is equivalent to the above one with minor rounding differences), and is also in VICE, although VICE seems to do some small amount of gamma compressing by default, and uses different hue values. On the other hand, YAPE 0.76 is different, as I described earlier, at least with the BMP format screenshot I checked.
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