[cairo] New tessellator available for playing

Bryce Harrington bryce at osdl.org
Wed Sep 20 17:37:44 PDT 2006

On Wed, Sep 20, 2006 at 04:40:10PM -0700, Carl Worth wrote:
> Integrating with cairo (and finding some more bugs)
> ---------------------------------------------------
> There are significant (buggy) differences in three tests (bitmap-font,
> close-path, and rectangle-rounding error). In the first case, this is
> the case where we use cairo_text_path;cairo_fill on a bitmap font and
> cairo traces little squares out around every pixel, (did you know it
> did that?). That's actually a great test case as it shoves lots of
> coincident edges at the tessellator---and it's exposing a bad bug in
> the new tessellator as it's leaking the fill out all over, (oops!).

Yup, confirmed:


> The other two bugs show cases where a portion of the path that should
> be filled is not getting filled (oops!).
> So there are still bugs here---and that's why it's not merged to
> master yet. But I thought people might want to start looking at it
> already even in the current state.

Here are results from several different platforms (run 2131):



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