mirror of https://github.com/CGAL/cgal
92 lines
2.5 KiB
C++
92 lines
2.5 KiB
C++
// 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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//
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// $URL$
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// $Id$
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// SPDX-License-Identifier: GPL-3.0-or-later OR LicenseRef-Commercial
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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
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#include <CGAL/license/Polyhedron.h>
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#include <CGAL/Polyhedron_3.h>
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#include <CGAL/assertions.h>
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#include <CGAL/IO/Geomview_stream.h>
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#include <CGAL/boost/graph/IO/Generic_facegraph_printer.h>
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namespace CGAL {
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class Polyhedron_writer_geomview
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{
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Geomview_stream* out;
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public:
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void write_header(Geomview_stream& os,
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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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bool = false,
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bool = false,
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bool = false)
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{
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out = &os;
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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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{
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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) { *out << x << y << z; }
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void write_vertex_normal(const double, const double, const double) { }
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void write_vertex_color(const double, const double, const double) { }
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void write_vertex_texture(const double, const double) { }
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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_face_color(const double, const double, const double) { }
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void write_facet_end()
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{
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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& operator<<(Geomview_stream &gv,
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const Polyhedron_3<Traits, Items, HDS, Alloc>& P)
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{
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IO::internal::Generic_facegraph_printer<Geomview_stream,
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Polyhedron_3<Traits, Items, HDS, Alloc>,
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Polyhedron_writer_geomview> printer(gv);
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printer(P);
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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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