[Scribus] CMYK image processing

Hal V. Engel hvengel
Mon Mar 20 02:04:30 CET 2006

This thread brings up something that I think bears repeating.  Those of us 
that are developing open source applications need and want feedback from 
users to help make the apps better.  When you run into a problem with an app 
please report it to the maintainers and supply as much information as you can 
about how to reproduce the problem.  The vast majority of developers will 
bend over backwards to fix the problem.   If the problem goes unreported it 
may take the developers a long time to discover it and the problem will not 
get fixed in a timely manner. 

Here we have an example where an application developer only found out about an 
issue because he happened to be a member of an email list for another 
application.  I am sure that Kai-Uwe and the other CinePaint developers will 
get this resolved.  But I am also sure that they would have rather found out 
about this because it was reported in their bug tracker.   

Most developers will not get angry if you file a bug report or enhancement 
request.  In fact, I consider these to be gifts from my users and if those 
opening the bug report/enhancement request are willing to work with me by 
providing information and possibly testing fixes then I am very grateful for 
their efforts.  I am sure that the Scribus and CinePaint developers feel the 
same way.


On Sunday 19 March 2006 04:07 pm, Helmut Wollmersdorfer wrote:
> 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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