Drawing on the root window in Linux?

[Fredrik Lundh]

Diez B. Roggisch wrote:

> > Sorry if this has been asked before, but I couldn't find any answers,
> > and Google was coming up empty.
>
> Did you check superkaramba? That does python-enriched interactive backround
> content. So they gotta somehow manipulate root :)

they're using shaped windows, don't they?  see

    http://netdragon.sourceforge.net/?page=Creating+a+Widget+Mask

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