[cairo] Spot colors (and CMYK)
ecir.hana at gmail.com
Sat Feb 20 19:09:10 PST 2010
On Sun, Feb 21, 2010 at 3:47 AM, Chris Murphy <lists at colorremedies.com> wrote:
> I'll make a supplement to my original statement. We don't actually need XYZ or LAB, but convertible into it. So the alternates could be in a wide gamut RGB space, specifically named (and embedded). I'm not sure exactly how PDF handles this - I'm thinking spot alternates are /devicecmyk or /devicergb so presumably those inherit some kind of space for blending, probably the transparency blending space. I know PDF can also store alternates as LAB, I'm not sure about XYZ.
This might help:
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