[scribus] premultiplied alpha in PNG files

Severn Clay-Youman severnclaystudio at gmail.com
Wed Aug 11 23:04:11 CEST 2010

I'm having a problem with PNG images with an alpha channel - the edge of the
alpha channel leaves an ugly grey outline.  I think this is an issue of
multiplying the alpha channel incorrectly - is there a way to avoid it in
Scribus?  I've noticed it before, but never had it be as objectionable.

Here's a PDF with the proper image on the left and the Scribus version on
the right:

I made the PDF by opening the Scribus PDF in Illustrator and then inserting
another copy of the image next to it and saving the whole thing as a new

Severn Clay-Youman, LEED GA
Studio Les Bêtes
33 Flatbush Ave, Brooklyn, NY
blog: http://lesbetes.wordpress.com
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