-- File:	PGeom2d_BezierCurve.cdl
-- Created:	Tue Apr  6 17:13:07 1993
-- Author:	Philippe DAUTRY
--		<fid@mastox>
-- Copyright:	 Matra Datavision 1993


class BezierCurve from PGeom2d inherits BoundedCurve from PGeom2d

        ---Purpose : Defines a rational or non rational Bezier curve.
        --         
	---See Also : BezierCurve from Geom2d.

uses  HArray1OfReal from PColStd,
      HArray1OfPnt2d  from PColgp

is 


  Create returns mutable BezierCurve from PGeom2d;
        ---Purpose : Creates a non rational  Bezier curve with default
        --         values.
	---Level: Internal 


  Create(aPoles    : HArray1OfPnt2d;
         aWeights  : HArray1OfReal;
	 aRational : Boolean from Standard)
     returns mutable BezierCurve from PGeom2d;
        ---Purpose : Creates a non rational Bezier curve with a set of
        --         poles aCurvePoles and a set of weights aPoleWeight.
	---Level: Internal 


  Rational (me: mutable; aRational: Boolean from Standard);
        ---Purpose : Set the value of the field rational with <aRational>.
	---Level: Internal 


  Rational (me) returns Boolean;
        ---Purpose : Returns the value of the field rational.
	---Level: Internal 


  Poles (me: mutable; aPoles : HArray1OfPnt2d from PColgp);
        ---Purpose : Set the value of the field poles with <aPoles>.
	---Level: Internal 


  Poles (me) returns HArray1OfPnt2d from PColgp;
        ---Purpose : Returns the value of the field poles.
	---Level: Internal 


  Weights (me: mutable; aWeights : HArray1OfReal from PColStd);
        ---Purpose : Set the value of the field weights.
	---Level: Internal 


  Weights (me)returns HArray1OfReal from PColStd;
        ---Purpose : Returns the value of the field weights.
	---Level: Internal 


fields

   rational : Boolean from Standard;
   poles    : HArray1OfPnt2d  from PColgp;
   weights  : HArray1OfReal from PColStd;

end;