-- File:	BRep_CurveOnClosedSurface.cdl
-- Created:	Tue Jul  6 10:16:47 1993
-- Author:	Remi LEQUETTE
--		<rle@phylox>
---Copyright:	 Matra Datavision 1993


class CurveOnClosedSurface from BRep inherits CurveOnSurface from BRep

	---Purpose: Representation  of a    curve by two  pcurves   on
	--          a closed surface.

uses
    Pnt2d    from gp,
    Box2d    from Bnd,
    Curve    from Geom2d,
    Surface  from Geom,
    Location from TopLoc,
    Shape    from GeomAbs,
    CurveRepresentation from BRep

is

    Create(PC1, PC2 : Curve    from Geom2d;
    	   S        : Surface  from Geom;
	   L        : Location from TopLoc;
	   C        : Shape    from GeomAbs)
    returns mutable CurveOnClosedSurface from BRep;

    SetUVPoints2(me : mutable; P1, P2 : Pnt2d from gp)
	---C++: inline
    is static;

    UVPoints2(me; P1, P2 : out Pnt2d from gp)
	---C++: inline
    is static;
    
    IsCurveOnClosedSurface(me) returns Boolean
	---Purpose: Returns True.
    is redefined;
    
    IsRegularity(me) returns Boolean
	---Purpose: Returns True
    is redefined;
    
    IsRegularity(me; S1,S2 : Surface from Geom; 
    	    	     L1,L2 : Location from TopLoc)  
    returns Boolean
	---Purpose: A curve on two surfaces (continuity). 
    is redefined;

    PCurve2(me) returns any Curve from Geom2d
	---C++: return const &
    is redefined;
    
    Surface2(me) returns any Surface from Geom
	---Purpose: Returns Surface()
	--          
	---C++: return const &
    is redefined;

    Location2(me) returns Location from TopLoc
	---Purpose: Returns Location()
	--          
	---C++: return const &
    is redefined;

    Continuity(me) returns Shape from GeomAbs
	---C++: return const &
    is redefined;

    Continuity(me : mutable; C : Shape from GeomAbs)
    is redefined;

    PCurve2(me : mutable; C : Curve from Geom2d)
    is redefined;

    Copy(me) returns mutable CurveRepresentation from BRep
	---Purpose: Return a copy of this representation.
    is redefined;

    Update(me : mutable)
	---Purpose: Recomputes any derived data after a modification.
	--          This is called when the range is modified.
    is redefined;

fields

    myPCurve2     : Curve from Geom2d;
    myContinuity  : Shape from GeomAbs;
    myUV21        : Pnt2d from gp;
    myUV22        : Pnt2d from gp;

end CurveOnClosedSurface;