Quick and dirty animation

Hi,

I'm thinking about using rsvg (CVS snapshot) for a simple animation - just 
moving a few shapes along a circular path over time.

I figured on each frame I could use rsvg_defs_lookup() to find the shape,
compute the transform along the path, apply it to the RsvgState's affine 
matrix somehow, and render onto a Cairo surface.

I wonder if you might have any hints on how to go about modifying the 
affine transform. I don't think it would be enough to modify the RsvgState 
before the render, because the CSS properties are all re-inherited during 
the render operation and my changes would be overridden.

Also is state->personal_affine used for anything? It looks like it is set 
in a few places and never read, but I might have grepped wrong.

Thanks,
Mike


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