[cairo] Rendering bug when using operator "source" (ver. 1.12)

[cu]

If you do get this fixed - would you mind posting a reply here with
source revision to use - I'd really like to get "source" working.

Thank you!

Chris Wilson wrote:
> On Wed, 28 Mar 2012 18:10:29 -0400, cu <cairouser at yahoo.com> wrote:
>   
>> Dear developers,
>>
>> Please take a look at the following rendering bug, that occurs when
>> using cairo operator "source" for drawing.
>> This is something that we've previously found as far back as version
>> 1.9.8. The current incarnation has been tested and confirmed to exist in
>> 1.12 release.
>>     
>
> Thanks for bringing that to my attention. Yet again the source operators
> strikes the unwary. I had thought by pulling that logic into
> cairo-composite-rectangles.c we had the extents tracking bugs from 1.10
> fixed. Maybe this time!
>
> Thanks,
> -Chris
>
>