[cairo] Pen vertex estimation solutions
cworth at cworth.org
Tue Oct 12 12:49:05 PDT 2004
On Tue, 12 Oct 2004 12:35:39 -0700, Keith Packard wrote:
> btw -- I've still got a few patches here and would like feedback before
> deleting or committing them.
Sorry, I know you mentioned 1 or 2 of these earlier. I'm still working
through a pretty big email backlog with regards to cairo stuff.
> 1) trapezoid list doubled in size instead of incremented. Changes.
> from O(n) to O(1) (amortized). Should actually do traps in batches
> and ship them to the server in chunks to reduce X server latency.
> Would need to use trap extents to create temp pixmap.
> 2) trapezoid extents computed on-the-fly with a sloppy, but
> correct-for-our-usage algorithm.
> 3) Kludge in xlib_surface.c mapping pixmaps with 0 width/height to 1
> to avoid limit in X protocol.
Conceptually, these all seem fine to me. Is that all you wanted to wait
for, or would you like someone to look at the implementation as well?
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