[cairo] Extension of the radial gradient test

[Emmanuel Pacaud]

On mer, 2007-03-07 at 23:54 +0100, Emmanuel Pacaud wrote:
> The result with the image backend is here:
> 
> http://emmanuel.pacaud.free.fr/screenshots/cairo/radial-gradient-image-argb32-out.png
> 
> It looks like the image backend fails for (a) in the CAIRO_EXTEND_NONE
> and CAIRO_EXTEND_PAD cases, and for (b) in all cases.

in (a), CAIRO_EXTEND_REPEAT also fails.

	Emmanuel.