-- Created on: 1994-02-18
-- Created by: Bruno DUMORTIER
-- Copyright (c) 1994-1999 Matra Datavision
-- Copyright (c) 1999-2014 OPEN CASCADE SAS
--
-- This file is part of Open CASCADE Technology software library.
--
-- This library is free software; you can redistribute it and/or modify it under
-- the terms of the GNU Lesser General Public License version 2.1 as published
-- by the Free Software Foundation, with special exception defined in the file
-- OCCT_LGPL_EXCEPTION.txt. Consult the file LICENSE_LGPL_21.txt included in OCCT
-- distribution for complete text of the license and disclaimer of any warranty.
--
-- Alternatively, this file may be used under the terms of Open CASCADE
-- commercial license or contractual agreement.

class SectionGenerator from GeomFill inherits Profiler from GeomFill

    ---Purpose: gives  the  functions  needed  for  instantiation from
    --          AppSurf in AppBlend.   Allow  to  evaluate  a  surface
    --          passing by all the curves if the Profiler.


uses
    Array1OfPnt     from TColgp,
    Array1OfVec     from TColgp,
    Array1OfPnt2d   from TColgp,
    Array1OfVec2d   from TColgp,
    Array1OfReal    from TColStd,
    HArray1OfReal    from TColStd,
    Array1OfInteger from TColStd
    
is

  Create returns SectionGenerator from GeomFill;

  SetParam(me  :  in  out  ; Params  :  HArray1OfReal  from  TColStd);

  GetShape(me; NbPoles   : out Integer from Standard;
               NbKnots   : out Integer from Standard;
               Degree    : out Integer from Standard;
               NbPoles2d : out Integer from Standard)
  is static;

  Knots(me; TKnots: out Array1OfReal from TColStd)
  is static;

  Mults(me; TMults: out Array1OfInteger from TColStd)
  is static;

  Section(me; P        : Integer           from Standard; 
    	      Poles    : out Array1OfPnt   from TColgp;
	      DPoles   : out Array1OfVec   from TColgp;
    	      Poles2d  : out Array1OfPnt2d from TColgp;
	      DPoles2d : out Array1OfVec2d from TColgp;
	      Weigths  : out Array1OfReal  from TColStd;
	      DWeigths : out Array1OfReal  from TColStd)

	---Purpose: Used for the first and last section 
	--          The method returns Standard_True if the derivatives
	--          are computed, otherwise it returns Standard_False.

  returns Boolean from Standard
  is static;

  Section(me; P       : Integer           from Standard; 
    	      Poles   : out Array1OfPnt   from TColgp;
    	      Poles2d : out Array1OfPnt2d from TColgp;
	      Weigths : out Array1OfReal  from TColStd)
  is static;


  Parameter(me; P: Integer)
    ---Purpose: Returns  the parameter of   Section<P>, to impose  it for the
    --          approximation. 
    returns Real from Standard
    is static;

    
fields
    myParams   : HArray1OfReal from TColStd  is  protected;

end SectionGenerator;