mirror of https://github.com/CGAL/cgal
91 lines
2.8 KiB
C++
91 lines
2.8 KiB
C++
// ============================================================================
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//
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// Copyright (c) 1997 The CGAL Consortium
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//
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// This software and related documentation is part of an INTERNAL release
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// of the Computational Geometry Algorithms Library (CGAL). It is not
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// intended for general use.
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//
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// ----------------------------------------------------------------------------
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//
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// release : $CGAL_Revision: $
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// release_date : $CGAL_Date: $
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//
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// file : include/CGAL/IO/Polyhedron_geomview_ostream.h
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// package : Polyhedron_IO 2.11 (04 Feb 2000)
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// chapter : Support Library
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//
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// revision : $Revision$
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// revision_date : $Date$
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//
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// author(s) : Lutz Kettner <kettner@mpi-sb.mpg.de>
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// maintainer :
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// coordinator : INRIA, Sophia Antipolis
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//
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// Output stream operator for Polyhedrons into Geomview_stream.
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// ============================================================================
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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/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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CGAL_BEGIN_NAMESPACE
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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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#ifndef CGAL_CFG_NO_TMPL_IN_TMPL_PARAM
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template < class T, class I, class A>
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#endif
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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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CGAL_END_NAMESPACE
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#endif // CGAL_IO_POLYHEDRON_GEOMVIEW_OSTREAM_H //
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// EOF //
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