// Created on: 1999-02-12
// Created by: Andrey BETENEV
// 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 _StepToTopoDS_TranslateCompositeCurve_HeaderFile
#define _StepToTopoDS_TranslateCompositeCurve_HeaderFile

#include "Standard.hxx"
#include "Standard_DefineAlloc.hxx"
#include "Standard_Handle.hxx"

#include "TopoDS_Wire.hxx"
#include "StepToTopoDS_Root.hxx"
class StepGeom_CompositeCurve;
class Transfer_TransientProcess;
class StepGeom_Surface;
class Geom_Surface;

//! Translate STEP entity composite_curve to TopoDS_Wire
//! If surface is given, the curve is assumed to lie on that
//! surface and in case if any segment of it is a
//! curve_on_surface, the pcurve for that segment will be taken.
//! Note: a segment of composite_curve may be itself
//! composite_curve. Only one-level protection against
//! cyclic references is implemented.
class StepToTopoDS_TranslateCompositeCurve : public StepToTopoDS_Root
{
public:
  DEFINE_STANDARD_ALLOC

  //! Empty constructor
  Standard_EXPORT StepToTopoDS_TranslateCompositeCurve();

  //! Translates standalone composite_curve
  Standard_EXPORT StepToTopoDS_TranslateCompositeCurve(
    const occ::handle<StepGeom_CompositeCurve>&   CC,
    const occ::handle<Transfer_TransientProcess>& TP,
    const StepData_Factors&                       theLocalFactors = StepData_Factors());

  //! Translates composite_curve lying on surface
  Standard_EXPORT StepToTopoDS_TranslateCompositeCurve(
    const occ::handle<StepGeom_CompositeCurve>&   CC,
    const occ::handle<Transfer_TransientProcess>& TP,
    const occ::handle<StepGeom_Surface>&          S,
    const occ::handle<Geom_Surface>&              Surf,
    const StepData_Factors&                       theLocalFactors = StepData_Factors());

  //! Translates standalone composite_curve
  Standard_EXPORT bool Init(const occ::handle<StepGeom_CompositeCurve>&   CC,
                            const occ::handle<Transfer_TransientProcess>& TP,
                            const StepData_Factors& theLocalFactors = StepData_Factors());

  //! Translates composite_curve lying on surface
  Standard_EXPORT bool Init(const occ::handle<StepGeom_CompositeCurve>&   CC,
                            const occ::handle<Transfer_TransientProcess>& TP,
                            const occ::handle<StepGeom_Surface>&          S,
                            const occ::handle<Geom_Surface>&              Surf,
                            const StepData_Factors& theLocalFactors = StepData_Factors());

  //! Returns result of last translation or null wire if failed.
  Standard_EXPORT const TopoDS_Wire& Value() const;

  //! Returns True if composite_curve contains a segment with infinite parameters.
  bool IsInfiniteSegment() const;

private:
  TopoDS_Wire myWire;
  bool        myInfiniteSegment;
};

#include "StepToTopoDS_TranslateCompositeCurve.lxx"

#endif // _StepToTopoDS_TranslateCompositeCurve_HeaderFile