[XeTeX] cmyk encoded files

[Peter Dyballa]

Am 19.11.2011 um 23:03 schrieb Daniel Greenhoe:

> Version 2.11 of the xcolor package says that cmyk is "supported by
> Postscripts directly" (page 8). So if I simply specify
>  \usepackage[cmyk]{xcolor}
> in the preamble and compile with XeTeX/XeLaTeX, is that sufficient to
> ensure the resulting pdf is cmyk encoded?

It seems so! XeTeX/XeLaTeX can be invoked with --no-pdf. The created XDV file gives hints that CMYK is used (color push cmyk <4 values>). Pdftops from the xpdf suite produces a PS file which also gives hints that colour is used in the CMYK model. Mac OS X's sips tells it uses RGB model...

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  Pete

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