TClipperBase2D

type TClipperBase2D = class

protected

  FLocMinList: TLocMinList;

  FCurrentLocMinIdx: Integer;

  FPreserveCollinear: Boolean;

  FActiveEdges: PEdge2D;

  procedure Reset; virtual;

  procedure InsertScanbeam();

  function PopScanbeam();

  function LocalMinimaPEnding;

  function PopLocalMinima();

  procedure DisposeScanbeamList;

  function CreateOutRec2D;

  procedure DisposeOutRec2D();

  procedure DisposeAllOutRec2Ds;

  procedure SwapPositionsInAEL();

  procedure DeleteFromAEL();

  procedure UpdateEdgeIntoAEL();

  property HasOpenPaths: Boolean; [r]

public

  constructor Create; virtual;

  destructor Destroy; override;

  procedure Clear; virtual;

  function AddPath(); virtual;

  function AddPaths();

  property PreserveCollinear: Boolean; [rw]

end;

TClipperBase2D

TObject