[pdftex] Rule color madness

[Reinhard Kotucha]

>>>>> "G" == G D Brettschneider <pdftex at gdbrettschneider.de> writes:

    > 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?

Acrobat uses a conversion scheme that lets CMYK colors look very
similar on screen and on paper.

Recent versions of xpdf have such an algorithm implemented as well, so
you should find something in the source code.

I suppose that it's not too difficult to do the calculation in TeX.

Regards,
  Reinhard

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