[cairo] Seams with image backend again

[Chris Wilson]

On 24 Jun 2010 10:24:53 +0200, Soeren Sandmann <sandmann at daimi.au.dk> wrote:
> Hi,
> 
> The program below shows that the image backend can produce seams
> between abutting polygons, even when the shared edge is specified with
> the exact same coordinates, and even when the ADD operator and a
> temporary surface are used.

I can confirm the resulting shared edge is identical and so there should
be no visible seam. Thanks Soeren, I've added it to the test-suite under
the usual BSD-ish licence - is that ok?
-ickle

-- 
Chris Wilson, Intel Open Source Technology Centre