// Created on: 1999-06-17
// 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 _ShapeCustom_ConvertToBSpline_HeaderFile
#define _ShapeCustom_ConvertToBSpline_HeaderFile

#include <Standard.hxx>
#include <Standard_Type.hxx>

#include <ShapeCustom_Modification.hxx>
#include <GeomAbs_Shape.hxx>
class TopoDS_Face;
class Geom_Surface;
class TopLoc_Location;
class TopoDS_Edge;
class Geom_Curve;
class TopoDS_Vertex;
class gp_Pnt;
class Geom2d_Curve;


class ShapeCustom_ConvertToBSpline;
DEFINE_STANDARD_HANDLE(ShapeCustom_ConvertToBSpline, ShapeCustom_Modification)

//! implement a modification for BRepTools
//! Modifier algorithm. Converts Surface of
//! Linear Exctrusion, Revolution and Offset
//! surfaces into BSpline Surface according to
//! flags.
class ShapeCustom_ConvertToBSpline : public ShapeCustom_Modification
{

public:

  
  Standard_EXPORT ShapeCustom_ConvertToBSpline();
  
  //! Sets mode for conversion of Surfaces of Linear
  //! extrusion.
  Standard_EXPORT void SetExtrusionMode (const Standard_Boolean extrMode);
  
  //! Sets mode for conversion of Surfaces of Revolution.
  Standard_EXPORT void SetRevolutionMode (const Standard_Boolean revolMode);
  
  //! Sets mode for conversion of Offset surfaces.
  Standard_EXPORT void SetOffsetMode (const Standard_Boolean offsetMode);
  
  //! Sets mode for conversion of Plane surfaces.
  Standard_EXPORT void SetPlaneMode (const Standard_Boolean planeMode);
  
  //! Returns Standard_True if the face <F> has  been
  //! modified. In this case, <S> is the new geometric
  //! support of the face, <L> the new location,  <Tol>
  //! the new tolerance.  Otherwise, returns
  //! Standard_False, and <S>, <L>, <Tol> are  not
  //! significant.
  Standard_EXPORT Standard_Boolean NewSurface (const TopoDS_Face& F, Handle(Geom_Surface)& S, TopLoc_Location& L, Standard_Real& Tol, Standard_Boolean& RevWires, Standard_Boolean& RevFace) Standard_OVERRIDE;
  
  //! Returns Standard_True  if  the edge  <E> has  been
  //! modified.  In this case,  <C> is the new geometric
  //! support of the  edge, <L> the  new location, <Tol>
  //! the         new    tolerance.   Otherwise, returns
  //! Standard_False,    and  <C>,  <L>,   <Tol> are not
  //! significant.
  Standard_EXPORT Standard_Boolean NewCurve (const TopoDS_Edge& E, Handle(Geom_Curve)& C, TopLoc_Location& L, Standard_Real& Tol) Standard_OVERRIDE;
  
  //! Returns  Standard_True if the  vertex <V> has been
  //! modified.  In this  case, <P> is the new geometric
  //! support of the vertex,   <Tol> the new  tolerance.
  //! Otherwise, returns Standard_False, and <P>,  <Tol>
  //! are not significant.
  Standard_EXPORT Standard_Boolean NewPoint (const TopoDS_Vertex& V, gp_Pnt& P, Standard_Real& Tol) Standard_OVERRIDE;
  
  //! Returns Standard_True if  the edge  <E> has a  new
  //! curve on surface on the face <F>.In this case, <C>
  //! is the new geometric support of  the edge, <L> the
  //! new location, <Tol> the new tolerance.
  //!
  //! Otherwise, returns  Standard_False, and <C>,  <L>,
  //! <Tol> are not significant.
  //!
  //! <NewE> is the new  edge created from  <E>.  <NewF>
  //! is the new face created from <F>. They may be useful.
  Standard_EXPORT Standard_Boolean NewCurve2d (const TopoDS_Edge& E, const TopoDS_Face& F, const TopoDS_Edge& NewE, const TopoDS_Face& NewF, Handle(Geom2d_Curve)& C, Standard_Real& Tol) Standard_OVERRIDE;
  
  //! Returns Standard_True if the Vertex  <V> has a new
  //! parameter on the  edge <E>. In  this case,  <P> is
  //! the parameter,    <Tol>  the     new    tolerance.
  //! Otherwise, returns Standard_False, and <P>,  <Tol>
  //! are not significant.
  Standard_EXPORT Standard_Boolean NewParameter (const TopoDS_Vertex& V, const TopoDS_Edge& E, Standard_Real& P, Standard_Real& Tol) Standard_OVERRIDE;
  
  //! Returns the  continuity of  <NewE> between <NewF1>
  //! and <NewF2>.
  //!
  //! <NewE> is the new  edge created from <E>.  <NewF1>
  //! (resp. <NewF2>) is the new  face created from <F1>
  //! (resp. <F2>).
  Standard_EXPORT GeomAbs_Shape Continuity (const TopoDS_Edge& E, const TopoDS_Face& F1, const TopoDS_Face& F2, const TopoDS_Edge& NewE, const TopoDS_Face& NewF1, const TopoDS_Face& NewF2) Standard_OVERRIDE;




  DEFINE_STANDARD_RTTIEXT(ShapeCustom_ConvertToBSpline,ShapeCustom_Modification)

protected:




private:

  
  Standard_EXPORT Standard_Boolean IsToConvert (const Handle(Geom_Surface)& S, Handle(Geom_Surface)& SS) const;

  Standard_Boolean myExtrMode;
  Standard_Boolean myRevolMode;
  Standard_Boolean myOffsetMode;
  Standard_Boolean myPlaneMode;


};







#endif // _ShapeCustom_ConvertToBSpline_HeaderFile
