[poppler] lcms usage in poppler

Albert Astals Cid aacid at kde.org
Fri Aug 2 10:50:36 PDT 2013

El Divendres, 2 d'agost de 2013, a les 17:05:38, Thomas Freitag va escriure:
> Hi Folks!
> Can anybody tell me how I can really test the lcms integration in
> poppler? I thought it should work, but now I'm no more sure. Reason for
> the change of my mind is that I tried to implement the usage of
> OutputIntents. 

Is your implementation similar to the one i did 2 years ago?  

I could not find either why it was not working.

Maybe you can mix your idea and my idea and get something that works?


> Motivation is the GWG, patch series 7 (07_OutputIntent),
> but the result of my first tests is not really satisfying, s.
> attachments. Of course it's a little bit better than without my
> implementation, see i.e. the shading cross. But it's not like it should
> be. So I'm wondering now if the reason for it
> 1. is my wrong implementation (but in the debugger I saw that the lcms
> transformation is called) or
> 2. is the integration of lcms in poppler, at least in the CMYK area (I
> need to test it there, because the profiles in the PDF are CMYK profiles) or
> 3. is lcms with this kind of profiles (the profiles are REALLY small for
> CMYK profiles, normally I see CMYK profiles with a size of at least 512
> kByte).
> Cheers,
> Thomas

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