[pdftex] Rule color madness

[Rolf Niepraschk]

G. D. Brettschneider wrote:
...
 >
 > BTW: Is there a more appropiate way to convert CMYB to RGB
 > than saying: R=1-C, G=1-M, B=1-Y? How to get a "Black" value?
 > Can pdfTeX do the conversion by itself? - At least, link border
 > colors can be defined by handling RGB values to \pdfstartlink.
 >

Try:

R = 1 + C * (K - 1) - K
G = 1 + M * (K - 1) - K
B = 1 + Y * (K - 1) - K

...Rolf
-- 
|| Rolf Niepraschk c/o Physikalisch-Technische Bundesanstalt ||
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