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EndType
enum EndType {Polygon, Joined, Butt, Square, Round};The EndType enumerator is only needed when offsetting (inflating/shrinking). It isn't needed for polygon clipping.
EndType has 5 values:
- Polygon: the path is treated as a polygon
- Joined: ends are joined and the path treated as a polyline
- Square: ends extend the offset amount while being squared off
- Round: ends extend the offset amount while being rounded off
- Butt: ends are squared off without any extension
With both EndType::Polygon and EndType::Joined, path closure will occur regardless of whether or not the first and last vertices in the path match.
