333 lines
10 KiB
C++
Executable File
333 lines
10 KiB
C++
Executable File
// Copyright (c) 1997
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// Utrecht University (The Netherlands),
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// ETH Zurich (Switzerland),
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// INRIA Sophia-Antipolis (France),
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// Max-Planck-Institute Saarbruecken (Germany),
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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; either version 3 of the License,
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// or (at your option) any later version.
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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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// $URL$
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// $Id$
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// SPDX-License-Identifier: LGPL-3.0+
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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
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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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#include <CGAL/basic.h>
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#include <iostream>
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namespace CGAL {
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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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#if defined BOOST_NO_EXPLICIT_CONVERSION_OPERATORS \
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|| defined BOOST_NO_CXX11_EXPLICIT_CONVERSION_OPERATORS
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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->fail() )
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return 0;
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else
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return static_cast<Const_void_ptr>(m_os);
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}
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#else
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explicit operator bool () {
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return m_os && !m_os->fail();
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}
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#endif
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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 != 0 );
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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 DEF A1 Appearance {\n"
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" material Material {\n"
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" diffuseColor .6 .5 .9\n"
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" }\n }\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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inline
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VRML_2_ostream&
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operator<<(VRML_2_ostream& os,
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const char* s)
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{
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os.os() << s;
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return os;
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}
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inline
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VRML_2_ostream&
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operator<<(VRML_2_ostream& os,
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const double& d)
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{
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os.os() << d;
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return os;
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}
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} //namespace CGAL
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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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namespace CGAL {
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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 << " 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 << " "
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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\n";
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return os;
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}
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} //namespace CGAL
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#endif // CGAL_IO_VRML_2_TETRAHEDRON_3
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#endif // CGAL_TETRAHEDRON_3_H
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#ifdef CGAL_POINT_3_H
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#ifndef CGAL_IO_VRML_2_POINT_3
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#define CGAL_IO_VRML_2_POINT_3
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namespace CGAL {
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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 Point_3<R > &p)
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{
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const char *Indent = " ";
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os << " Group {\n"
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" children [\n"
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" Shape {\n"
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" appearance USE A1\n"
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" geometry\n"
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" PointSet {\n"
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" coord Coordinate {\n"
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" point [ ";
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os << CGAL::to_double(p.x()) << " " << CGAL::to_double(p.y())
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<< " " << CGAL::to_double(p.z()) << " ]\n";
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os << Indent << "}\n";
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os << Indent << "} # PointSet\n";
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os << " } #Shape\n"
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" ] #children\n"
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" } #Group\n";
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return os;
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}
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} //namespace CGAL
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#endif // CGAL_IO_VRML_2_POINT_3
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#endif // CGAL_POINT_3_H
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#ifdef CGAL_TRIANGLE_3_H
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#ifndef CGAL_IO_VRML_2_TRIANGLE_3
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#define CGAL_IO_VRML_2_TRIANGLE_3
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namespace CGAL {
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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 Triangle_3<R > &t)
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{
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const char *Indent = " ";
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os << " Group {\n"
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" children [\n"
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" Shape {\n"
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" appearance USE A1\n"
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" geometry\n"
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" IndexedLineSet {\n"
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" coord Coordinate {\n"
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" point [ \n";
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os << Indent ;
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os << CGAL::to_double(t[0].x()) << " " << CGAL::to_double(t[0].y())
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<< " " << CGAL::to_double(t[0].z()) << ",\n";
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os << Indent;
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os << CGAL::to_double(t[1].x()) << " " << CGAL::to_double(t[1].y())
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<< " " << CGAL::to_double(t[1].z()) << ",\n";
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os << Indent;
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os << CGAL::to_double(t[2].x()) << " " << CGAL::to_double(t[2].y())
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<< " " << CGAL::to_double(t[2].z()) << " ]\n";
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os << Indent << "}\n" << Indent << "coordIndex [ 0 1, 1 2, 2 0 -1 ]\n";
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os << Indent << "} # IndexedLineSet\n";
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os << " } #Shape\n"
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" ] #children\n"
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" } #Group\n";
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return os;
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}
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} //namespace CGAL
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#endif // CGAL_IO_VRML_2_TRIANGLE_3
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#endif // CGAL_TRIANGLE_3_H
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#ifdef CGAL_SEGMENT_3_H
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#ifndef CGAL_IO_VRML_2_SEGMENT_3
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#define CGAL_IO_VRML_2_SEGMENT_3
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namespace CGAL {
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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 Segment_3<R > &s)
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{
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const char *Indent = " ";
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os << " Group {\n"
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" children [\n"
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" Shape {\n"
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" appearance USE A1\n"
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" geometry\n"
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" IndexedLineSet {\n"
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" coord Coordinate {\n"
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" point [ \n";
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os << Indent << CGAL::to_double(s.source().x());
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os << " " << CGAL::to_double(s.source().y())
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<< " " << CGAL::to_double(s.source().z()) << ",\n";
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os << Indent;
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os << CGAL::to_double(s.target().x())
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<< " " << CGAL::to_double(s.target().y())
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<< " " << CGAL::to_double(s.target().z()) << " ]\n";
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os << Indent << "}\n" << Indent << "coordIndex [ 0 1 -1 ]\n";
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os << Indent << "} # IndexedLineSet\n";
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os << " } #Shape\n"
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" ] #children\n"
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" } #Group\n";
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return os;
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}
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} //namespace CGAL
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#endif // CGAL_IO_VRML_2_SEGMENT_3
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#endif // CGAL_SEGMENT_3_H
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#ifdef CGAL_SPHERE_3_H
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#ifndef CGAL_IO_VRML_2_SPHERE_3
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#define CGAL_IO_VRML_2_SPHERE_3
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namespace CGAL {
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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 Sphere_3<R > &s)
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{
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os << " Group {\n"
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" children [\n"
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" Transform {\n"
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" translation ";
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os << CGAL::to_double(s.center().x()) << " "
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<< CGAL::to_double(s.center().y()) << " "
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<< CGAL::to_double(s.center().z()) << "\n";
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os << " children Shape {\n"
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" appearance USE A1\n"
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" geometry\n"
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" Sphere { "
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"radius ";
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os << std::sqrt(CGAL::to_double(s.squared_radius())) <<" }\n";
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os << " } #children Shape\n"
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" } # Transform\n"
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" ] #children\n"
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" } #Group\n";
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return os;
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}
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} //namespace CGAL
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#endif // CGAL_IO_VRML_2_SEGMENT_3
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#endif // CGAL_SPHERE_3_H
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