[Scribus] CMYK image processing

Kai-Uwe Behrmann ku.b
Sat Mar 18 20:35:18 CET 2006

Am 18.03.06, 10:37 +0100 schrieb Helmut Wollmersdorfer:

> Paraplegic Racehorse wrote:
> > John R. Culleton wrote:
> >>A common task is to fit two photos together and then blend/stitch
> >>them together along the boundary. Gimp does this, but Gimp won't
> >>work in the CMYK color model.
> > Have you tried Krita (part of KOffice, I think)? It has full CMYK, or 
> > claims to, and should be able to perform in this role admirably.
> No - krita 1.4.2 (KDE 3.5.1, Debian unstable) does not. Only the 
> cvs-version maybe does.
> http://www.valdyas.org/fading/index.cgi/hacking/krita
> | 2005-11-10
> | From the promising-but-not-yet-usable-department.
> The above sentence says it all.
> Next I tried cinepaint 0.20-1 (Debian unstable), which has 
> CMYK/ICC-support, but is unusable, crashes, has bad usability, and my 
> trials to convert a RGB.jpg into a CMYK.tif resulted in an unreadable file.

Can you be more specific to fix the problems you have? What are the points 
you have with CinePaint's usability? When did it crash? What libtiff 
version do you use? 
One possibly reason, which comes to mind is a possibly missing profile 
at your RGB.jpg. This is needed before converting. It needs being 

I've put a lot of work into CinePaint's Cmyk capabilities and it is 
useable to some extent. 
But without feedback it is much harder for me to improove anything.

For debian I cant say much, as I dont do the packages and testing there.

> Next I did some research on CMYK-support of GIMP.
> There is a feature request in the bugtracking of GIMP:
> http://bugzilla.gnome.org/show_bug.cgi?id=123598
> opened  2003-09-30 (!).
> There is no visible activity from the GIMP-developers on this problem 
> since 2.5 years. I know the more or less (more less;-) usable plug-ins.
> Additionally you can find discussions about the ignorance of the 
> GIMP-developers.
> Solution?
> Helmut Wollmersdorfer

For your reading, here is a tutorial on how using CinePaint for 
colour/print work in english:
in german:

Kai-Uwe Behrmann
                                + development for color management 
                                + imaging / panoramas
                                + email: ku.b at gmx.de
                                + http://www.behrmann.name

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