// Created on: 1993-04-07
// Created by: Laurent BUCHARD
// Copyright (c) 1993-1999 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.

#ifndef _IntCurveSurface_ThePolygonOfHInter_HeaderFile
#define _IntCurveSurface_ThePolygonOfHInter_HeaderFile

#include <Adaptor3d_Curve.hxx>
#include <Bnd_Box.hxx>
#include <TColgp_Array1OfPnt.hxx>
#include <TColStd_HArray1OfReal.hxx>
#include <TColStd_Array1OfReal.hxx>
class Standard_OutOfRange;
class IntCurveSurface_TheHCurveTool;
class Bnd_Box;
class gp_Pnt;

class IntCurveSurface_ThePolygonOfHInter
{
public:
  DEFINE_STANDARD_ALLOC

  Standard_EXPORT IntCurveSurface_ThePolygonOfHInter(const Handle(Adaptor3d_Curve)& Curve,
                                                     const Standard_Integer         NbPnt);

  Standard_EXPORT IntCurveSurface_ThePolygonOfHInter(const Handle(Adaptor3d_Curve)& Curve,
                                                     const Standard_Real            U1,
                                                     const Standard_Real            U2,
                                                     const Standard_Integer         NbPnt);

  Standard_EXPORT IntCurveSurface_ThePolygonOfHInter(const Handle(Adaptor3d_Curve)& Curve,
                                                     const TColStd_Array1OfReal&    Upars);

  //! Give the bounding box of the polygon.
  const Bnd_Box& Bounding() const { return TheBnd; }

  Standard_Real DeflectionOverEstimation() const { return TheDeflection; }

  void SetDeflectionOverEstimation(const Standard_Real x)
  {
    TheDeflection = x;
    TheBnd.Enlarge(TheDeflection);
  }

  void Closed(const Standard_Boolean flag) { ClosedPolygon = flag; }

  // clang-format off
  Standard_Boolean Closed() const { return Standard_False; } // -- Voir si le cas Closed est traitable

  // clang-format on

  //! Give the number of Segments in the polyline.
  Standard_Integer NbSegments() const { return NbPntIn - 1; }

  //! Give the point of range Index in the Polygon.
  const gp_Pnt& BeginOfSeg(const Standard_Integer theIndex) const { return ThePnts(theIndex); }

  //! Give the point of range Index in the Polygon.
  const gp_Pnt& EndOfSeg(const Standard_Integer theIndex) const { return ThePnts(theIndex + 1); }

  //! Returns the parameter (On the curve)
  //! of the first point of the Polygon
  Standard_Real InfParameter() const { return Binf; }

  //! Returns the parameter (On the curve)
  //! of the last point of the Polygon
  Standard_Real SupParameter() const { return Bsup; }

  //! Give an approximation of the parameter on the curve
  //! according to the discretization of the Curve.
  Standard_EXPORT Standard_Real ApproxParamOnCurve(const Standard_Integer Index,
                                                   const Standard_Real    ParamOnLine) const;

  Standard_EXPORT void Dump() const;

protected:
  Standard_EXPORT void Init(const Handle(Adaptor3d_Curve)& Curve);

  Standard_EXPORT void Init(const Handle(Adaptor3d_Curve)& Curve,
                            const TColStd_Array1OfReal&    Upars);

private:
  Bnd_Box                       TheBnd;
  Standard_Real                 TheDeflection;
  Standard_Integer              NbPntIn;
  TColgp_Array1OfPnt            ThePnts;
  Standard_Boolean              ClosedPolygon;
  Standard_Real                 Binf;
  Standard_Real                 Bsup;
  Handle(TColStd_HArray1OfReal) myParams;
};

#endif // _IntCurveSurface_ThePolygonOfHInter_HeaderFile
