OCCT

// Created on: 1992-11-06
// 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.

#include <BRepPrim_Cylinder.hxx>
#include <Geom2d_Line.hxx>
#include <Geom_CylindricalSurface.hxx>
#include <Geom_Line.hxx>
#include <gp.hxx>
#include <gp_Ax2.hxx>
#include <gp_Pnt.hxx>
#include <gp_Vec.hxx>
#include <Precision.hxx>
#include <TopoDS_Face.hxx>

//=================================================================================================

BRepPrim_Cylinder::BRepPrim_Cylinder(const gp_Ax2& Position,
                                     const double  Radius,
                                     const double  Height)
    : BRepPrim_Revolution(Position, 0, Height),
      myRadius(Radius)
{
  SetMeridian();
}

//=================================================================================================

BRepPrim_Cylinder::BRepPrim_Cylinder(const double Radius)
    : BRepPrim_Revolution(gp::XOY(), RealFirst(), RealLast()),
      myRadius(Radius)
{
  SetMeridian();
}

//=================================================================================================

BRepPrim_Cylinder::BRepPrim_Cylinder(const gp_Pnt& Center, const double Radius)
    : BRepPrim_Revolution(gp_Ax2(Center, gp_Dir(gp_Dir::D::Z), gp_Dir(gp_Dir::D::X)),
                          RealFirst(),
                          RealLast()),
      myRadius(Radius)
{
  SetMeridian();
}

//=================================================================================================

BRepPrim_Cylinder::BRepPrim_Cylinder(const gp_Ax2& Axes, const double Radius)
    : BRepPrim_Revolution(Axes, RealFirst(), RealLast()),
      myRadius(Radius)
{
  SetMeridian();
}

//=================================================================================================

BRepPrim_Cylinder::BRepPrim_Cylinder(const double R, const double H)
    : BRepPrim_Revolution(gp::XOY(), 0, H),
      myRadius(R)
{
  SetMeridian();
}

//=================================================================================================

BRepPrim_Cylinder::BRepPrim_Cylinder(const gp_Pnt& Center, const double R, const double H)
    : BRepPrim_Revolution(gp_Ax2(Center, gp_Dir(gp_Dir::D::Z), gp_Dir(gp_Dir::D::X)), 0, H),
      myRadius(R)
{
  SetMeridian();
}

//=================================================================================================

TopoDS_Face BRepPrim_Cylinder::MakeEmptyLateralFace() const
{
  occ::handle<Geom_CylindricalSurface> C = new Geom_CylindricalSurface(Axes(), myRadius);
  TopoDS_Face                          F;
  myBuilder.Builder().MakeFace(F, C, Precision::Confusion());
  return F;
}

//=================================================================================================

void BRepPrim_Cylinder::SetMeridian()
{
  gp_Vec V = Axes().XDirection();
  V.Multiply(myRadius);
  gp_Ax1 A = Axes().Axis();
  A.Translate(V);
  occ::handle<Geom_Line>   L   = new Geom_Line(A);
  occ::handle<Geom2d_Line> L2d = new Geom2d_Line(gp_Pnt2d(myRadius, 0), gp_Dir2d(gp_Dir2d::D::Y));
  Meridian(L, L2d);
}