// Copyright (c) 1995-1999 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.

#include <math_FunctionSetRoot.hxx>
#include <math_Gauss.hxx>
#include <TColgp_Array1OfPnt.hxx>
#include <IntSurf.hxx>
#include <Adaptor2d_HCurve2d.hxx>
#include <Precision.hxx>

#ifdef OCCT_DEBUG
#include <TColStd_Array1OfInteger.hxx>
#include <TColStd_Array1OfReal.hxx>
#include <TColgp_Array1OfPnt2d.hxx>
#include <Geom_BSplineCurve.hxx>
#ifdef DRAW
#include <DrawTrSurf.hxx>
#endif
//POP pour NT
#include <stdio.h>

static Standard_Integer IndexOfSection = 0;
extern Standard_Boolean Blend_GettraceDRAWSECT(); 

// Pour debug : visualisation de la section

static void Drawsect(const TheSurface& surf,
		     const TheCurve& curv,
		     const Standard_Real param,
		     Blend_CSFunction& Func)
{
  gp_Pnt2d p2d = Func.Pnt2d();
  Standard_Real pc = Func.ParameterOnC();
  Blend_Point BP(TheSurfaceTool::Value(surf,p2d.X(),p2d.Y()),
		 TheCurveTool::Value(curv,pc),
		 param,p2d.X(),p2d.Y(),pc);

  Standard_Integer hp,hk,hd,hp2d;
  Func.GetShape(hp,hk,hd,hp2d);
  TColStd_Array1OfReal TK(1,hk);
  Func.Knots(TK);
  TColStd_Array1OfInteger TMul(1,hk);
  Func.Mults(TMul);
  TColgp_Array1OfPnt TP(1,hp);
  TColgp_Array1OfPnt2d TP2d(1,hp2d);
  TColStd_Array1OfReal TW(1,hp);
  Func.Section(BP,TP,TP2d,TW);
  Handle(Geom_BSplineCurve) sect = new Geom_BSplineCurve
    (TP,TW,TK,TMul,hd);
  IndexOfSection++;

  //POP pour NT
  //char name[100];
  char* name = new char[100];
  sprintf(name,"%s_%d","Section",IndexOfSection);
#ifdef DRAW
  DrawTrSurf::Set(name,sect);
#endif
}

#endif

#include <Blend_CSWalking_1.gxx>
#include <Blend_CSWalking_2.gxx>
#include <Blend_CSWalking_3.gxx>
#include <Blend_CSWalking_4.gxx>