polyhedron_iostream.h

很多二维 三维几何计算算法 C++ 类库

// Copyright (c) 1997  ETH Zurich (Switzerland).
// All rights reserved.
//
// This file is part of CGAL (www.cgal.org); you may redistribute it under
// the terms of the Q Public License version 1.0.
// See the file LICENSE.QPL distributed with CGAL.
//
// Licensees holding a valid commercial license may use this file in
// accordance with the commercial license agreement provided with the software.
//
// This file is provided AS IS with NO WARRANTY OF ANY KIND, INCLUDING THE
// WARRANTY OF DESIGN, MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE.
//
// $URL: svn+ssh://scm.gforge.inria.fr/svn/cgal/branches/CGAL-3.3-branch/Polyhedron_IO/include/CGAL/IO/Polyhedron_iostream.h $
// $Id: Polyhedron_iostream.h 28567 2006-02-16 14:30:13Z lsaboret $
// 
//
// Author(s)     : Lutz Kettner  <[e-mail]>

#ifndef CGAL_IO_POLYHEDRON_IOSTREAM_H
#define CGAL_IO_POLYHEDRON_IOSTREAM_H 1

#include <CGAL/Polyhedron_3.h>
#include <CGAL/IO/print_OFF.h>
#include <CGAL/IO/scan_OFF.h>
#include <iostream>

CGAL_BEGIN_NAMESPACE

template < class Traits,
           class Items,
#ifndef CGAL_CFG_NO_TMPL_IN_TMPL_PARAM
           template < class T, class I, class A>
#endif
           class HDS, class Alloc>
std::ostream&
operator<<( std::ostream& out, const Polyhedron_3<Traits,Items,HDS,Alloc>& P) {
    // writes P to `out' in PRETTY, ASCII or BINARY format
    // as the stream indicates.
    File_header_OFF header( is_binary( out), ! is_pretty( out), false);
    CGAL::print_polyhedron_with_header_OFF( out, P, header);
    return out;
}

template < class Traits,
           class Items,
#ifndef CGAL_CFG_NO_TMPL_IN_TMPL_PARAM
           template < class T, class I, class A>
#endif
           class HDS, class Alloc>
std::istream& operator>>(std::istream& in,
                         Polyhedron_3<Traits,Items,HDS,Alloc>& P) {
    // reads a polyhedron from `in' and appends it to P.
    CGAL::scan_OFF( in, P);
    return in;
}

CGAL_END_NAMESPACE
#endif // CGAL_IO_POLYHEDRON_IOSTREAM_H //
// EOF //