Clips to path rather than to the path currently being built.
OptionalfillRule: CanvasFillRuleFills path rather than the path currently being built.
OptionalfillRule: CanvasFillRuleHit-tests against path rather than the path currently being built.
OptionalfillRule: CanvasFillRuleHit-tests the stroked outline of path rather than of the path currently
being built.
Filling, stroking and clipping with paths — the current one the
CanvasPathmethods build, or a Path2D passed in.