// Copyright (c) 1997  ETH Zurich (Switzerland).
// All rights reserved.
//
// This file is part of CGAL (www.cgal.org).
//
// $URL: https://github.com/CGAL/cgal/blob/v6.1/Polyhedron/include/CGAL/IO/scan_OFF.h $
// $Id: include/CGAL/IO/scan_OFF.h b26b07a1242 $
// SPDX-License-Identifier: GPL-3.0-or-later OR LicenseRef-Commercial
//
//
// Author(s)     : Lutz Kettner  <kettner@mpi-sb.mpg.de>

#ifndef CGAL_POLYHEDRON_IO_SCAN_OFF_H
#define CGAL_POLYHEDRON_IO_SCAN_OFF_H

#include <CGAL/license/Polyhedron.h>

#include <CGAL/Polyhedron_3.h>

#include <CGAL/IO/Polyhedron_scan_OFF.h>

#include <fstream>
#include <iostream>

namespace CGAL {

template <class Traits,
          class Items,
          template <class T, class I, class A>
          class HDS, class Alloc>
void scan_OFF(std::istream& in,
              Polyhedron_3<Traits, Items, HDS, Alloc>& P,
              File_header_OFF& header)
{
  // reads a polyhedron from `in' and appends it to P.
  // Returns also the File_header_OFF structure of the object.
  typedef Polyhedron_3<Traits, Items, HDS, Alloc> Polyhedron;
  typedef typename Polyhedron::HalfedgeDS HalfedgeDS;
  typedef Polyhedron_scan_OFF<HalfedgeDS> Scanner;
  Scanner scanner(in, header.verbose());
  P.delegate(scanner);
  header = scanner.header();
}

template <class Traits,
          class Items,
          template <class T, class I, class A>
          class HDS, class Alloc>
void scan_OFF(std::istream& in,
              Polyhedron_3<Traits, Items, HDS, Alloc>& P,
              bool verbose = false)
{
  // reads a polyhedron from `in' and appends it to P.
  typedef Polyhedron_3<Traits, Items, HDS, Alloc> Polyhedron;
  typedef typename Polyhedron::HalfedgeDS HalfedgeDS;
  typedef Polyhedron_scan_OFF<HalfedgeDS> Scanner;
  Scanner scanner(in, verbose);
  P.delegate(scanner);
}

} // namespace CGAL

#endif // CGAL_POLYHEDRON_IO_SCAN_OFF_H

