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List:       cairo
Subject:    Re: [cairo] PDF Blend modes
From:       Carlos Garcia Campos <carlosgc () gnome ! org>
Date:       2009-06-19 12:54:54
Message-ID: 1245416094.4184.22.camel () charmaleon
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El mié, 17-06-2009 a las 18:02 +0200, Soeren Sandmann escribió:
> 
> > > * Use floating point in the HSL modes
> > > 
> > >   Because I'm not sure that the overflow protection we have right now
> > >   is correct.

Done in my repo too. 

I've also figured out what the problem with my test file[1] was, it
wasn't a bug in poppler, but in poppler clients. I've fixed the problem
in the poppler glib demo application (thanks to ickle and adrianj), and
the output looks much better now[2], although still a bit different from
acroread[3] and xpdf[4]. 



[1] http://acroeng.adobe.com/Test_Files/images/transparency/rgbrasterobjecttypes_109.pdf
[2] http://people.freedesktop.org/~carlosgc/poppler-blend-mode2.png
[3] http://people.freedesktop.org/~carlosgc/acroread-blend-mode.png
[4] http://people.freedesktop.org/~carlosgc/xpdf-blend-mode.png

-- 
Carlos Garcia Campos
PGP key: http://pgp.mit.edu:11371/pks/lookup?op=get&search=0x523E6462

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