[Cairo] Cairo on older X servers, (eg. with Render version 0.2)
cworth at east.isi.edu
Wed Oct 15 09:29:23 PDT 2003
On Oct 12, Keith Packard wrote:
> I'd like cairo_erase to be implicitly called at cairo_set_target_surface
> time unless the application specifies otherwise.
I like this idea. I'll go ahead and add the implicit erase before
exposing either cairo_surface or any sort of mark_dirty call. Then, we
can wait to add those functions until they can address an actual need.
> cairo_flush (cairo_t *cr);
> I'd like to see if we can't make this call unnecessary in essentially all
> cases. Xlib provides extension hooks to track calls to XFlush; with
> sufficient care, I think we could take advantage of that to push cairo
> changes across the wire in a timely fashion.
Interesting. I'll try this out and see if I can't get something working.
> cairo_flush may still be needed to synchronize within an
> application when mixing cairo and non-cairo rendering calls.
Yes. And again, we can wait to add it until it addresses some user
Thanks for you efforts to keep the API small and manageable.
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