Re: CMYK/RGB printing confusion - please help!
Re: CMYK/RGB printing confusion - please help!
- Subject: Re: CMYK/RGB printing confusion - please help!
- From: Robert Clair <email@hidden>
- Date: Wed, 2 Mar 2005 13:28:18 -0500
It means Cocoa uses the default display profile for both the
"calibrated" calls and the normal calls - right now there is no
difference between the two sets of color creation methods.
I guessed that this would be the case.
In both cases, Cocoa creates the lower level quartz colors in the
default
display profile, which means that there are no conversions needed for
display, which means you get the same RGB values on screen as you
specified in your code, thus a no-op.
This makes sense, but what I don't understand is why they then put
Generic RGB rather than the monitor profile as the source profile in
the pdf.
(This was discovered from laborious debugging with breakpoints on the
Quartz methods to see what Cocoa's NSColor is actually up to. I don't
think it is actually documented specifically anywhere.)
None of this is specifically documented anywhere as far as I can tell.
Thanks for being persistent. I started this at one point but other
things became more urgent.
Bob Clair
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