How the path, defined by the CurvePoint's, is closed.
The region of the closed path will be painted with the
Fills. What is painted on an unclosed path is undefined.
One of either
Extrude should be
None, otherwise it is undefined what is drawn.
- Fuse.Controls.Primitives 1.11.2
The path is not closed.
The first and last point are assumed to overlap and create an continuous path. A straight line segment will be added, post smoothing, to cover any gap.
An extra line segment is introduced between the last and first points. This is done prior to the smoothing calculations.