Looking for XRender examples

Clemens Eisserer linuxhippy at gmail.com
Mon Dec 10 13:35:02 PST 2007

Hello Carl,

> I'm not sure what your question is, but I'd be glad to help answer it
> if that would be easier than browsing through cairo's source code.
> Is there something else that you have a question about?
For now not, but I fear I run into many problems when I  actually
start coding ;)

> Cairo does tessellate complex polygons into a set of trapezoids for
> XRender to rasterize and composite. And Render does guarantee that the
> antialiased rasterization of trapezoids with shared edges will combine
> to exactly 1 so that there are no visible internal seams.
Oh, I thought there was some hidden magic with masks I should render
to, glad that it can be solved this way too.

Thanks a lot for helping, lg Clemens

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