// Created on: 1995-07-20
// Created by: Modelistation
// 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.

#ifndef _BRepApprox_SurfaceTool_HeaderFile
#define _BRepApprox_SurfaceTool_HeaderFile

#include <BRepAdaptor_Surface.hxx>
#include <GeomAbs_Shape.hxx>
#include <TColStd_Array1OfReal.hxx>
#include <gp_Pnt.hxx>
#include <gp_Vec.hxx>
#include <GeomAbs_SurfaceType.hxx>
#include <gp_Pln.hxx>
#include <gp_Cylinder.hxx>
#include <gp_Cone.hxx>
#include <gp_Torus.hxx>
#include <gp_Sphere.hxx>
#include <gp_Ax1.hxx>
#include <gp_Dir.hxx>

class Geom_BezierSurface;
class Geom_BSplineSurface;

class BRepApprox_SurfaceTool
{
public:
  DEFINE_STANDARD_ALLOC

  static Standard_Real FirstUParameter(const BRepAdaptor_Surface& S);

  static Standard_Real FirstVParameter(const BRepAdaptor_Surface& S);

  static Standard_Real LastUParameter(const BRepAdaptor_Surface& S);

  static Standard_Real LastVParameter(const BRepAdaptor_Surface& S);

  static Standard_Integer NbUIntervals(const BRepAdaptor_Surface& S, const GeomAbs_Shape Sh);

  static Standard_Integer NbVIntervals(const BRepAdaptor_Surface& S, const GeomAbs_Shape Sh);

  static void UIntervals(const BRepAdaptor_Surface& S,
                         TColStd_Array1OfReal&      T,
                         const GeomAbs_Shape        Sh);

  static void VIntervals(const BRepAdaptor_Surface& S,
                         TColStd_Array1OfReal&      T,
                         const GeomAbs_Shape        Sh);

  //! If <First> >= <Last>
  static Handle(Adaptor3d_Surface) UTrim(const BRepAdaptor_Surface& S,
                                         const Standard_Real        First,
                                         const Standard_Real        Last,
                                         const Standard_Real        Tol);

  //! If <First> >= <Last>
  static Handle(Adaptor3d_Surface) VTrim(const BRepAdaptor_Surface& S,
                                         const Standard_Real        First,
                                         const Standard_Real        Last,
                                         const Standard_Real        Tol);

  static Standard_Boolean IsUClosed(const BRepAdaptor_Surface& S);

  static Standard_Boolean IsVClosed(const BRepAdaptor_Surface& S);

  static Standard_Boolean IsUPeriodic(const BRepAdaptor_Surface& S);

  static Standard_Real UPeriod(const BRepAdaptor_Surface& S);

  static Standard_Boolean IsVPeriodic(const BRepAdaptor_Surface& S);

  static Standard_Real VPeriod(const BRepAdaptor_Surface& S);

  static gp_Pnt Value(const BRepAdaptor_Surface& S, const Standard_Real u, const Standard_Real v);

  static void D0(const BRepAdaptor_Surface& S,
                 const Standard_Real        u,
                 const Standard_Real        v,
                 gp_Pnt&                    P);

  static void D1(const BRepAdaptor_Surface& S,
                 const Standard_Real        u,
                 const Standard_Real        v,
                 gp_Pnt&                    P,
                 gp_Vec&                    D1u,
                 gp_Vec&                    D1v);

  static void D2(const BRepAdaptor_Surface& S,
                 const Standard_Real        u,
                 const Standard_Real        v,
                 gp_Pnt&                    P,
                 gp_Vec&                    D1U,
                 gp_Vec&                    D1V,
                 gp_Vec&                    D2U,
                 gp_Vec&                    D2V,
                 gp_Vec&                    D2UV);

  static void D3(const BRepAdaptor_Surface& S,
                 const Standard_Real        u,
                 const Standard_Real        v,
                 gp_Pnt&                    P,
                 gp_Vec&                    D1U,
                 gp_Vec&                    D1V,
                 gp_Vec&                    D2U,
                 gp_Vec&                    D2V,
                 gp_Vec&                    D2UV,
                 gp_Vec&                    D3U,
                 gp_Vec&                    D3V,
                 gp_Vec&                    D3UUV,
                 gp_Vec&                    D3UVV);

  static gp_Vec DN(const BRepAdaptor_Surface& S,
                   const Standard_Real        u,
                   const Standard_Real        v,
                   const Standard_Integer     Nu,
                   const Standard_Integer     Nv);

  static Standard_Real UResolution(const BRepAdaptor_Surface& S, const Standard_Real R3d);

  static Standard_Real VResolution(const BRepAdaptor_Surface& S, const Standard_Real R3d);

  static GeomAbs_SurfaceType GetType(const BRepAdaptor_Surface& S);

  static gp_Pln Plane(const BRepAdaptor_Surface& S);

  static gp_Cylinder Cylinder(const BRepAdaptor_Surface& S);

  static gp_Cone Cone(const BRepAdaptor_Surface& S);

  static gp_Torus Torus(const BRepAdaptor_Surface& S);

  static gp_Sphere Sphere(const BRepAdaptor_Surface& S);

  static Handle(Geom_BezierSurface) Bezier(const BRepAdaptor_Surface& S);

  static Handle(Geom_BSplineSurface) BSpline(const BRepAdaptor_Surface& S);

  static gp_Ax1 AxeOfRevolution(const BRepAdaptor_Surface& S);

  static gp_Dir Direction(const BRepAdaptor_Surface& S);

  static Handle(Adaptor3d_Curve) BasisCurve(const BRepAdaptor_Surface& S);

  Standard_EXPORT static Standard_Integer NbSamplesU(const BRepAdaptor_Surface& S);

  Standard_EXPORT static Standard_Integer NbSamplesV(const BRepAdaptor_Surface& S);

  Standard_EXPORT static Standard_Integer NbSamplesU(const BRepAdaptor_Surface& S,
                                                     const Standard_Real        u1,
                                                     const Standard_Real        u2);

  Standard_EXPORT static Standard_Integer NbSamplesV(const BRepAdaptor_Surface& S,
                                                     const Standard_Real        v1,
                                                     const Standard_Real        v2);

protected:
private:
};

#include <BRepApprox_SurfaceTool.lxx>

#endif // _BRepApprox_SurfaceTool_HeaderFile
