int GetY(uint16);
bool GetOnCurve(uint16);
int GetX(uint16, uint16);
+ int GetNextX(uint16, uint16);
int GetY(uint16, uint16);
+ int GetNextY(uint16, uint16);
+ IPoint GetPoint(uint16, uint16);
bool GetOnCurve(uint16, uint16);
+ bool GetPrevOnCurve(uint16, uint16);
+ bool GetNextOnCurve(uint16, uint16);
uint16 GetPolyEnd(uint16);
void OffsetPoints(int, int);
void OffsetPoly(uint16, int32, int32);