Fwd: [Scribus] Converting graphics to CMYK with free software tools

Axel Bojer axelb at skolelinux.no
Mon Sep 25 23:13:42 CEST 2006

Kai-Uwe Behrmann skrev:
> Axel,
> the profiles should be no problem as lcms see them everyday.
> Can you bring your image on web for interessted people to have a look at?
> Is it a multilayered tiff?
> (Boudewijn and others: hope it is ok for you with my interesst here)
> regards
> Kai-Uwe Behrmann
>                                 + development for color management 
>                                 + imaging / panoramas
>                                 + email: ku.b at gmx.de
>                                 + http://www.behrmann.name
> Am 22.09.06, 15:20 +0200 schrieb Axel Bojer:

After a bit research: Every picture I save with krita as a cmyk formated 
tiff file has this problem, they just gets corrupted. But when i save 
them as cmyk jpg it seems ok. This means that I dont think it is the 
image, and just about any file (no matter was image format etc it 
initially was). Of course I could submit this or another tiff-file that 
gives this error, but I don't think by now that it is relevant for 
finding the fault. Does this work on your machines? (I have Krita 1.5.0 
ubuntu dapper version)

Best regards
Axel Bojer

>> Boudewijn Rempt skrev:
>>> Hi Axel,
>>> Petr Vanek forwarded you mail to the krita mailing list. I hope you don't
>>> mind me approaching you directly about the issues you had?
>> Not at all, thank youy for your concern, we all want those programs to work
>> right, dont't we? :-)
>>>> (Krita tells me it is "sRGB built-in (lcms internal)"
>>> * Krita always manages its colors, so when we load an RGB image without a
>>> colour profile, we assign the default lcsm sRGB profile to the image.
>> ok
>>>> * Krita: I used "CMYK 8 bit integer channel" and "perceptual", but
>>>> when
>>>> I try to open the same file with Krita again it gives me a "could not
>>>> open (...) Reason: parsing error". I think they really are broken
>>>> because they don't show up in Konqueror and not in Scribus.
>>> I cannot reproduce this with 1.6, which may mean that either there was a
>>> bug in Krita 1.5 or that Krita has a problem with your icc profiles. I
>>> don't have those profiles, so I cannot test with them -- could you mail
>>> me the .icc files at boud at valdyas.org?
>> My occ profiles are pretty standard, but anyway, here they are -- attached :-)
>> I am using Koffice 1.5.0 (KDE 3.5.2). This must be the standard in Kubuntu
>> 6.0.6, because I have not changed the sources list much.
>> I tried several times also with slightly different files. My image is pretty
>> big (62M as a tiff file), but if you dont mind you could have it also for
>> further testing:-) Its a frontpage for a norwegian Magazine, actually ...
>>>> BTW: I tried to open the Gimp-file (.xcf) in krita, but the result
>>>> was
>>>> really bad, so I had to convert it first.
>>> We use Image/GraphicsMagick to load xcf and that converter doesn't
>>> support everything .xcf offers. We're currently not planning to write our
>>> own .xcf, preferring instead on trying to get OpenRaster off the ground.
>> ok ... Would be nice with full support though, but this had ... hold on ... 34
>> layers (!). Yes, I know, a bit much, but I want to be flexible concerning my
>> layout all the way :-) Lot of fiddling with the tranparency too, those two
>> might be the reasons ...
>> Best regards
>> Axel Bojer

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