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// Copyright (c) 1997 Utrecht University (The Netherlands),
// ETH Zurich (Switzerland), Freie Universitaet Berlin (Germany),
// INRIA Sophia-Antipolis (France), Martin-Luther-University Halle-Wittenberg
// (Germany), Max-Planck-Institute Saarbruecken (Germany), RISC Linz (Austria),
// and Tel-Aviv University (Israel). All rights reserved.
//
// This file is part of CGAL (www.cgal.org); you can redistribute it and/or
// modify it under the terms of the GNU Lesser General Public License as
// published by the Free Software Foundation; version 2.1 of the License.
// See the file LICENSE.LGPL 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-3.5-branch/Inventor/include/CGAL/IO/Inventor_ostream.h $
// $Id: Inventor_ostream.h 47017 2008-11-25 10:24:36Z afabri $
//
// Author(s) : Andreas Fabri
// Lutz Kettner <kettner@inf.ethz.ch>
// Herve Bronnimann <Herve.Bronnimann@sophia.inria.fr>
// Mariette Yvinec <Mariette.Yvinec@sophia.inria.fr>
#ifndef CGAL_IO_INVENTOR_OSTREAM_H
#define CGAL_IO_INVENTOR_OSTREAM_H
#include <CGAL/basic.h>
#include <iostream>
// OpenInventor and VRML 1.0 are quite similar formats, so
// output operators could be shared if they use the following
// base class, which is common for both output streams.
CGAL_BEGIN_NAMESPACE
class Inventor_ostream_base {
private:
std::ostream* m_os;
public:
Inventor_ostream_base() : m_os(0) {}
Inventor_ostream_base(std::ostream& o) : m_os(&o) {}
~Inventor_ostream_base() { close(); }
void open(std::ostream& o) { m_os = &o; }
void close() {
if ( m_os)
os() << std::endl;
m_os = 0;
}
typedef const void* Const_void_ptr;
operator Const_void_ptr () const {
if ( m_os)
return *m_os;
return 0;
}
std::ostream& os() {
// The behaviour if m_os == 0 could be changed to return
// cerr or a file handle to /dev/null. The latter one would
// mimick the behaviour that one can still use a stream with
// an invalid stream, but without producing any output.
CGAL_assertion( m_os != 0 );
return *m_os;
}
};
class Inventor_ostream : public Inventor_ostream_base
{
public:
Inventor_ostream() {}
Inventor_ostream(std::ostream& o) : Inventor_ostream_base(o) {
header();
}
void open(std::ostream& o) {
Inventor_ostream_base::open(o);
header();
}
private:
void header() {
os() << "#Inventor V2.0 ascii" << std::endl;
os() << "# File written with the help of the CGAL Library"
<< std::endl;
}
};
CGAL_END_NAMESPACE
#endif // CGAL_IO_INVENTOR_OSTREAM_H
#ifdef CGAL_TETRAHEDRON_3_H
#ifndef CGAL_INVENTOR_TETRAHEDRON_3
#define CGAL_INVENTOR_TETRAHEDRON_3
CGAL_BEGIN_NAMESPACE
template <class R >
Inventor_ostream&
operator<<(Inventor_ostream& os,
const Tetrahedron_3<R > &t)
{
const char *Indent = " ";
os.os() << "\n Separator {";
os.os() << "\n Coordinate3 { \n"
<< Indent << "point [\n"
<< Indent << " "
<< CGAL::to_double(t[0].x()) << " "
<< CGAL::to_double(t[0].y()) << " "
<< CGAL::to_double(t[0].z()) << " ,\n"
<< Indent << " "
<< CGAL::to_double(t[1].x()) << " "
<< CGAL::to_double(t[1].y()) << " "
<< CGAL::to_double(t[1].z()) << " ,\n"
<< Indent << " "
<< CGAL::to_double(t[2].x()) << " "
<< CGAL::to_double(t[2].y()) << " "
<< CGAL::to_double(t[2].z()) << " ,\n"
<< Indent << " "
<< CGAL::to_double(t[3].x()) << " "
<< CGAL::to_double(t[3].y()) << " "
<< CGAL::to_double(t[3].z()) << " ]"
<< "\n } #Coordinate3" ;
os.os() << "\n IndexedFaceSet {"
<< Indent << "coordIndex [ 0,1,2,-1, 1,3,2,-1,\n"
<< Indent << " 0,2,3,-1, 0,3,1,-1 ]\n"
<< "\n } #IndexedFaceSet"
<< "\n } #Separator\n";
return os;
}
CGAL_END_NAMESPACE
#endif // CGAL_INVENTOR_TETRAHEDRON_3
#endif // CGAL_TETRAHEDRON_3_H
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