mirror of https://github.com/CGAL/cgal
152 lines
5.2 KiB
C++
152 lines
5.2 KiB
C++
// Copyright (c) 1997 Utrecht University (The Netherlands),
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// ETH Zurich (Switzerland), Freie Universitaet Berlin (Germany),
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// INRIA Sophia-Antipolis (France), Martin-Luther-University Halle-Wittenberg
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// (Germany), Max-Planck-Institute Saarbruecken (Germany), RISC Linz (Austria),
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// and Tel-Aviv University (Israel). All rights reserved.
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//
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// This file is part of CGAL (www.cgal.org); you can redistribute it and/or
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// modify it under the terms of the GNU Lesser General Public License as
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// published by the Free Software Foundation; version 2.1 of the License.
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// See the file LICENSE.LGPL distributed with CGAL.
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//
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// Licensees holding a valid commercial license may use this file in
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// accordance with the commercial license agreement provided with the software.
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//
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// This file is provided AS IS with NO WARRANTY OF ANY KIND, INCLUDING THE
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// WARRANTY OF DESIGN, MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE.
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//
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// $Source$
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// $Revision$ $Date$
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// $Name$
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//
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// Author(s) : Andreas Fabri
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// Lutz Kettner <kettner@inf.ethz.ch>
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// Herve Bronnimann <Herve.Bronnimann@sophia.inria.fr>
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// Mariette Yvinec <Mariette.Yvinec@sophia.inria.fr>
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#ifndef CGAL_IO_VRML_2_OSTREAM_H
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#define CGAL_IO_VRML_2_OSTREAM_H
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#ifndef CGAL_BASIC_H
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#include <CGAL/basic.h>
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#endif // CGAL_BASIC_H
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#ifndef CGAL_PROTECT_IOSTREAM_H
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#include <iostream>
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#define CGAL_PROTECT_IOSTREAM_H
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#endif // CGAL_PROTECT_IOSTREAM_H
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CGAL_BEGIN_NAMESPACE
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class VRML_2_ostream {
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public:
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VRML_2_ostream() : m_os(0) {}
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VRML_2_ostream(std::ostream& o) : m_os(&o) { header();}
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~VRML_2_ostream() { close(); }
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void open(std::ostream& o) { m_os = &o; header(); }
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void close() {
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if ( m_os)
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footer();
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m_os = 0;
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}
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typedef const void* Const_void_ptr;
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operator Const_void_ptr () const {
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if ( m_os)
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return *m_os;
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return 0;
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}
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std::ostream& os() {
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// The behaviour if m_os == 0 could be changed to return
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// cerr or a file handle to /dev/null. The latter one would
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// mimick the behaviour that one can still use a stream with
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// an invalid stream, but without producing any output.
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CGAL_assertion( m_os);
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return *m_os;
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}
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private:
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void header() {
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os() << "#VRML V2.0 utf8\n"
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"# File written with the help of the CGAL Library\n"
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"#-- Begin of file header\n"
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"Group {\n"
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" children [\n"
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" Shape {\n"
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" appearance\n"
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" Appearance {\n"
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" material DEF Material Material {}\n"
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" }\n"
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" geometry NULL\n"
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" }\n"
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" #-- End of file header" << std::endl;
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}
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void footer() {
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os() << " #-- Begin of file footer\n"
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" ]\n"
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"}\n"
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"#-- End of file footer" << std::endl;
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}
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std::ostream* m_os;
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};
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CGAL_END_NAMESPACE
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#endif // CGAL_IO_VRML_2_OSTREAM_H
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#ifdef CGAL_TETRAHEDRON_3_H
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#ifndef CGAL_IO_VRML_2_TETRAHEDRON_3
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#define CGAL_IO_VRML_2_TETRAHEDRON_3
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CGAL_BEGIN_NAMESPACE
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template <class R >
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VRML_2_ostream&
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operator<<(VRML_2_ostream& os,
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const Tetrahedron_3<R > &t)
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{
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const char *Indent = " ";
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os.os() << " Group {\n"
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" children [\n"
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" Shape {\n"
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" appearance\n"
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" Appearance {\n"
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" material USE Material\n"
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" } #Appearance\n"
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" geometry\n"
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" IndexedFaceSet {\n"
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" coord Coordinate {\n"
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" point [ \n"
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<< Indent << "point [\n"
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<< Indent << " "
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<< CGAL::to_double(t[0].x()) << " "
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<< CGAL::to_double(t[0].y()) << " "
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<< CGAL::to_double(t[0].z()) << " ,\n"
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<< Indent << " "
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<< CGAL::to_double(t[1].x()) << " "
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<< CGAL::to_double(t[1].y()) << " "
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<< CGAL::to_double(t[1].z()) << " ,\n"
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<< Indent << " "
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<< CGAL::to_double(t[2].x()) << " "
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<< CGAL::to_double(t[2].y()) << " "
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<< CGAL::to_double(t[2].z()) << " ,\n"
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<< Indent << " "
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<< CGAL::to_double(t[3].x()) << " "
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<< CGAL::to_double(t[3].y()) << " "
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<< CGAL::to_double(t[3].z()) << " ]"
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"\n ]\n"
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" }\n"
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" solid FALSE\n"
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<< Indent << "coordIndex [ 0,1,2,-1, 1,3,2,-1,\n"
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<< Indent << " 0,2,3,-1, 0,3,1,-1 ]\n"
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" } #IndexedFaceSet\n"
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" } #Shape\n"
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" ] #children\n"
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" } #Group" << std::endl;
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return os;
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}
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CGAL_END_NAMESPACE
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#endif // CGAL_IO_VRML_2_TETRAHEDRON_3
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#endif // CGAL_TETRAHEDRON_3_H
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