We are talking about using perl to do the manipulation, not the gimp or photoshop user interface. By the same token, the issue of presentation on the screen or paper (RGB is the colour scheme for a screen versus CMYK the colour scheme for inks in a colour printer) is also irrelevant to the op - such "calibration" only has meaning in tuning the relevant colour scales for your printing ink, not for manipulation from perl of the foregoing image which may or may not have gone through CYMK calibration phase of the process (as you please).
Your suggestion that the Gimp does not support CMYK is in this context misleading: Although the Gimp's own interface may be lacking in CYMK manipulation, as I already made abundantly clear, such gaps can be filled in using cpan gtk+ directly.
The OP can still use photoshop to test the final product of his Perl/Gtk+ implementation if he finds the Gimp interface inferior - I never suggested he use Gimp to replace photoshop entirely.
Finally, if the requirement were to specifically relate to programmed manipulation of CYMK, perl/Gtk+ could achieve that and as far as I know, there is no obvious way with Photoshop - and that's no CYMK herring.
-M
Free your mind
In reply to Multi-coloured herring.
by Moron
in thread perl sending Apple events?
by argv
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