// Created on: 1999-07-22
// Created by: data exchange team
// Copyright (c) 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 _ShapeUpgrade_ClosedFaceDivide_HeaderFile
#define _ShapeUpgrade_ClosedFaceDivide_HeaderFile

#include "Standard.hxx"
#include "Standard_Type.hxx"

#include "Standard_Integer.hxx"
#include "ShapeUpgrade_FaceDivide.hxx"
class TopoDS_Face;

//! Divides a Face with one or more seam edge to avoid closed faces.
//! Splitting is performed by U and V direction. The number of
//! resulting faces can be defined by user.
class ShapeUpgrade_ClosedFaceDivide : public ShapeUpgrade_FaceDivide
{

public:
  //! Creates empty constructor.
  Standard_EXPORT ShapeUpgrade_ClosedFaceDivide();

  //! Initialize by a Face.
  Standard_EXPORT ShapeUpgrade_ClosedFaceDivide(const TopoDS_Face& F);

  //! Performs splitting of surface and computes the shell
  //! from source face.
  Standard_EXPORT bool SplitSurface(const double theArea = 0.) override;

  //! Sets the number of cutting lines by which closed face will be split.
  //! The resulting faces will be num+1.
  Standard_EXPORT void SetNbSplitPoints(const int num);

  //! Returns the number of splitting points
  Standard_EXPORT int GetNbSplitPoints() const;

  DEFINE_STANDARD_RTTIEXT(ShapeUpgrade_ClosedFaceDivide, ShapeUpgrade_FaceDivide)

private:
  int myNbSplit;
};

#endif // _ShapeUpgrade_ClosedFaceDivide_HeaderFile