Delphi type TEndType = (etPolygon, etJoined, etButt, etSquare, etRound);
C++ enum EndType {Polygon, Joined, Butt, Square, Round};
C# public 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:
With both EndType.Polygon and EndType.Join, path closure will occur regardless of whether or not the first and last vertices in the path match.
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