0028966: Coding Rules - remove Adaptor2d_HCurve2d, Adaptor3d_HCurve and Adaptor3d_HSu...

[occt.git] / src / Contap / Contap_HCurve2dTool.cxx

// Created on: 1995-07-17
// 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.


#include <Adaptor2d_Curve2d.hxx>
#include <Contap_HCurve2dTool.hxx>
#include <Geom2d_BezierCurve.hxx>
#include <Geom2d_BSplineCurve.hxx>
#include <gp_Pnt2d.hxx>
#include <gp_Vec2d.hxx>
#include <Standard_DomainError.hxx>
#include <Standard_NoSuchObject.hxx>
#include <Standard_OutOfRange.hxx>

//============================================================
Standard_Integer Contap_HCurve2dTool::NbSamples (const Handle(Adaptor2d_Curve2d)& C,
                                                 const Standard_Real U0,
                                                 const Standard_Real U1)
{
  Standard_Real nbs = 10.0;
  switch (C->GetType())
  {
  case GeomAbs_Line:
    nbs = 2.;
    break;
  case GeomAbs_BezierCurve:
    nbs = 3. + C->NbPoles();
    break;
  case GeomAbs_BSplineCurve:
    nbs = C->NbKnots();
    nbs*= C->Degree();
    nbs*= C->LastParameter()- C->FirstParameter();
    nbs/= U1-U0;
    if(nbs < 2.0) nbs = 2.;
    break;
  default:
    break;
  }
  if (nbs>50.)
    nbs = 50.;
  return((Standard_Integer)nbs);
}