85 lines
2.6 KiB
C
85 lines
2.6 KiB
C
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// Copyright (c) 1997 ETH Zurich (Switzerland).
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// All rights reserved.
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//
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// This file is part of CGAL (www.cgal.org).
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// You can redistribute it and/or modify it under the terms of the GNU
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// General Public License as published by the Free Software Foundation,
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// either version 3 of the License, 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: GPL-3.0+
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//
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//
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// Author(s) : Lutz Kettner <kettner@mpi-sb.mpg.de>
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#ifndef CGAL_IO_POLYHEDRON_GEOMVIEW_OSTREAM_H
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#define CGAL_IO_POLYHEDRON_GEOMVIEW_OSTREAM_H 1
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#include <CGAL/license/Polyhedron.h>
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#include <CGAL/IO/Geomview_stream.h>
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#include <CGAL/IO/generic_print_polyhedron.h>
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#include <CGAL/Polyhedron_3.h>
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namespace CGAL {
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class Polyhedron_writer_geomview {
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Geomview_stream* out;
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public:
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Polyhedron_writer_geomview( Geomview_stream& geo) : out(&geo) {}
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void write_header( std::ostream&,
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std::size_t vertices,
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std::size_t,
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std::size_t facets) {
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// ignore ostream. Output goes to Geomview_stream.
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// Print header.
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out->set_ascii_mode();
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*out << "(geometry " << out->get_new_id("polyhedron")
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<< " {appearance {}{ ";
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out->set_binary_mode();
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*out << "OFF BINARY\n" << int(vertices) << int(facets) << 0 ;
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}
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void write_footer() {
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*out << "}})";
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out->set_ascii_mode();
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}
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void write_vertex( const double& x, const double& y, const double& z) {
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*out << x << y << z;
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}
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void write_facet_header() {}
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void write_facet_begin( std::size_t no) { *out << int(no); }
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void write_facet_vertex_index( std::size_t index) { *out << int(index); }
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void write_facet_end() {
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double r = out->fcr(),
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g = out->fcg(),
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b = out->fcb();
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*out << 4 << r << g << b << 1.0;
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}
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};
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template < class Traits,
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class Items,
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template < class T, class I, class A>
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class HDS, class Alloc>
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Geomview_stream&
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operator<<( Geomview_stream &gv,
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const Polyhedron_3<Traits,Items,HDS,Alloc> &P) {
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Polyhedron_writer_geomview writer(gv);
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generic_print_polyhedron( std::cerr, P, writer); // note: cerr not used.
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return gv;
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}
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} //namespace CGAL
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#endif // CGAL_IO_POLYHEDRON_GEOMVIEW_OSTREAM_H //
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// EOF //
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