OCCT

// Created on: 1992-11-05
// Created by: Remi LEQUETTE
// Copyright (c) 1992-1999 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 _BRepPrim_Revolution_HeaderFile
#define _BRepPrim_Revolution_HeaderFile

#include <Standard.hxx>
#include <Standard_DefineAlloc.hxx>
#include <Standard_Handle.hxx>

#include <BRepPrim_OneAxis.hxx>
#include <Standard_Real.hxx>
class Geom_Curve;
class Geom2d_Curve;
class gp_Ax2;
class TopoDS_Face;
class TopoDS_Edge;
class gp_Pnt2d;

//! Implement the OneAxis algorithm for a revolution
//! surface.
class BRepPrim_Revolution : public BRepPrim_OneAxis
{
public:
  DEFINE_STANDARD_ALLOC

  //! Create a revolution body <M> is the meridian nd
  //! must be in the XZ plane of <A>. <PM> is the
  //! meridian in the XZ plane.
  Standard_EXPORT BRepPrim_Revolution(const gp_Ax2&                    A,
                                      const double                     VMin,
                                      const double                     VMax,
                                      const occ::handle<Geom_Curve>&   M,
                                      const occ::handle<Geom2d_Curve>& PM);

  //! The surface normal should be directed towards the
  //! outside.
  Standard_EXPORT TopoDS_Face MakeEmptyLateralFace() const override;

  //! Returns an edge with a 3D curve made from the
  //! meridian in the XZ plane rotated by <Ang> around
  //! the Z-axis. Ang may be 0 or myAngle.
  Standard_EXPORT TopoDS_Edge MakeEmptyMeridianEdge(const double Ang) const override;

  //! Returns the meridian point at parameter <V> in the
  //! plane XZ.
  Standard_EXPORT gp_Pnt2d MeridianValue(const double V) const override;

  //! Sets the parametric urve of the edge <E> in the
  //! face <F> to be the 2d representation of the
  //! meridian.
  Standard_EXPORT void SetMeridianPCurve(TopoDS_Edge& E, const TopoDS_Face& F) const override;

protected:
  //! Create a revolution body. The meridian is set
  //! later. Reserved for derivated classes.
  Standard_EXPORT BRepPrim_Revolution(const gp_Ax2& A, const double VMin, const double VMax);

  Standard_EXPORT void Meridian(const occ::handle<Geom_Curve>&   M,
                                const occ::handle<Geom2d_Curve>& PM);

private:
  occ::handle<Geom_Curve>   myMeridian;
  occ::handle<Geom2d_Curve> myPMeridian;
};

#endif // _BRepPrim_Revolution_HeaderFile