-- Created on: 1992-05-22
-- Created by: Jean Claude VAUTHIER
-- Copyright (c) 1992-1999 Matra Datavision
-- Copyright (c) 1999-2012 OPEN CASCADE SAS
--
-- The content of this file is subject to the Open CASCADE Technology Public
-- License Version 6.5 (the "License"). You may not use the content of this file
-- except in compliance with the License. Please obtain a copy of the License
-- at http://www.opencascade.org and read it completely before using this file.
--
-- The Initial Developer of the Original Code is Open CASCADE S.A.S., having its
-- main offices at: 1, place des Freres Montgolfier, 78280 Guyancourt, France.
--
-- The Original Code and all software distributed under the License is
-- distributed on an "AS IS" basis, without warranty of any kind, and the
-- Initial Developer hereby disclaims all such warranties, including without
-- limitation, any warranties of merchantability, fitness for a particular
-- purpose or non-infringement. Please see the License for the specific terms
-- and conditions governing the rights and limitations under the License.




class BezierCurve2d


from DrawTrSurf


inherits Curve2d from DrawTrSurf


uses BezierCurve from Geom2d,
     Color from Draw,
     Display from Draw,
     Drawable3D from Draw


is


  Create (C : BezierCurve from Geom2d)
        --- Purpose :
        --  creates a drawable Bezier curve from a Bezier curve of 
        --  package Geom2d.
     returns mutable BezierCurve2d from DrawTrSurf;


  Create (C : BezierCurve from Geom2d;
          CurvColor, PolesColor : Color from Draw;
          ShowPoles : Boolean; Discret : Integer)
     returns mutable BezierCurve2d from DrawTrSurf;


  DrawOn (me; dis : in out Display from Draw)
     is redefined static;


  ShowPoles (me : mutable)
     is static;


  ClearPoles (me : mutable)
     is static;
     
  
  FindPole(me; X,Y : Real; D : Display from Draw; Prec : Real; 
           Index : in out Integer)
        --- Purpose :
        --  Returns in <Index> the index of the first pole  of the
        --  curve projected by the Display <D> at a distance lower
        --  than <Prec> from <X,Y>. If no pole  is found  index is
        --  set to 0, else index is always  greater than the input
        --  value of index.
  is static;
  
  
  SetPolesColor (me : mutable; aColor : Color from Draw)
        ---C++: inline
     is static;

  PolesColor (me)  returns Color from Draw
        ---C++: inline
     is static;
    
  Copy(me) returns mutable Drawable3D from Draw
	---Purpose: For variable copy.
  is redefined;
  
      
fields

  drawPoles  : Boolean;
  polesLook  : Color from Draw;

end BezierCurve2d;