[Scribus] CMYK image processing
Helmut Wollmersdorfer
helmut.wollmersdorfer
Mon Mar 20 01:07:20 CET 2006
Kai-Uwe Behrmann wrote:
[cinepaint 0.20-1]
> Can you be more specific to fix the problems you have? What are the points
> you have with CinePaint's usability?
E.g. for conversion into CMYK it should be enough to select
Image -> Mode -> CMYK
The necessity to add alpha is a technical solution and not easy usability.
> When did it crash?
I do not exactly remember. In my second session it crashed after
activating/deactivation some channels.
> What libtiff version do you use?
$ tiffinfo
LIBTIFF, Version 3.8.0
Copyright (c) 1988-1996 Sam Leffler
Copyright (c) 1991-1996 Silicon Graphics, Inc.
> One possibly reason, which comes to mind is a possibly missing profile
> at your RGB.jpg. This is needed before converting. It needs being
> attached.
In my second session (after trying around some time) I was able to
convert a RGB.jpg into a CMYK.jpg. But 'save as' tif was not possible -
it did not save the file to disk.
At a next try (fresh start) I opened the CMYK.jpg, it asked for
conversion from one CMYK-ICC to another and then looped in throwing
errors 'Please add alpha to image before converting'. I had to restart X
with cntl-alt-backspace - X was dead. [1]
> 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.
Here is the point in this discussion where I should subscribe the
developer list of cinepaint. I can take the task of testing.
> For debian I cant say much, as I dont do the packages and testing there.
[1] I will raise a critical bug at Debian-BTS.
Helmut Wollmersdorfer
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