[cairo] rendering to image, then to X11 display

[Milan Stanojević]

> > I am getting tired of debugging my double buffered code for X11: I
> > tried following Carl's suggestions and started to use Xtrace, but the
> > whole thing is getting arcane and beyond my abilities.  For example,
> > lately I found out that trying to stoke a path with more than approx
> > 10000 segments will kill the X connection with
> >
> > * X connection to :0.0 broken (explicit kill or server shutdown).
>
> This sounds like it could a bug in the XRender library, where it may be
> not handling big requests properly...
>                                - Jim
>

I had the same problem when I tried drawing a lot of overlapped text.