Draw stroked circles with round caps analytically.

These draw as the butt cap version where the stroked circle is clipped by half planes. But then we add in coverage from circles at the caps.

Bug: skia:7793
Change-Id: I7c27a2a5f1f9c1645cc9042e68e787dd81ea28b8
Reviewed-on: https://skia-review.googlesource.com/120140
Commit-Queue: Brian Salomon <bsalomon@google.com>
Reviewed-by: Jim Van Verth <jvanverth@google.com>
(cherry picked from commit 45c92203ef43d09ca6444430bd4081ac97b71237)
Reviewed-on: https://skia-review.googlesource.com/121601
Reviewed-by: Derek Sollenberger <djsollen@google.com>
1 file changed