106 lines
3.5 KiB
C
106 lines
3.5 KiB
C
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// 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)
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//
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// $URL: https://github.com/CGAL/cgal/blob/v5.1/Stream_support/include/CGAL/IO/File_writer_OFF.h $
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// $Id: File_writer_OFF.h 0779373 2020-03-26T13:31:46+01:00 Sébastien Loriot
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// SPDX-License-Identifier: LGPL-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_FILE_WRITER_OFF_H
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#define CGAL_IO_FILE_WRITER_OFF_H 1
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#include <CGAL/IO/binary_file_io.h>
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#include <CGAL/IO/File_header_OFF.h>
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#include <iostream>
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#include <cstddef>
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namespace CGAL {
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class CGAL_EXPORT File_writer_OFF {
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std::ostream* m_out;
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File_header_OFF m_header;
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public:
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File_writer_OFF( bool verbose = false) : m_header( verbose) {}
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File_writer_OFF( const File_header_OFF& h) : m_header( h) {}
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std::ostream& out() { return *m_out; }
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File_header_OFF& header() { return m_header; }
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const File_header_OFF& header() const { return m_header; }
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void write_header( std::ostream& out,
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std::size_t vertices,
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std::size_t halfedges,
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std::size_t facets,
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bool normals = false);
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void write_footer() {
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if ( m_header.ascii() && m_header.comments())
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out() << "\n\n# End of OFF #";
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out() << std::endl;
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}
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void write_vertex( const double& x, const double& y, const double& z) {
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if ( m_header.binary()) {
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I_Binary_write_big_endian_float32( out(), float(x));
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I_Binary_write_big_endian_float32( out(), float(y));
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I_Binary_write_big_endian_float32( out(), float(z));
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} else {
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out() << '\n' << x << ' ' << y << ' ' << z;
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}
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}
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void write_normal( const double& x, const double& y, const double& z) {
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if ( m_header.binary()) {
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I_Binary_write_big_endian_float32( out(), float(x));
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I_Binary_write_big_endian_float32( out(), float(y));
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I_Binary_write_big_endian_float32( out(), float(z));
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} else {
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out() << ' ' << ' ' << x << ' ' << y << ' ' << z;
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}
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}
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void write_facet_header() {
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if ( m_header.ascii()) {
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if ( m_header.no_comments())
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out() << '\n';
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else {
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out() << "\n\n# " << m_header.size_of_facets()
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<< " facets\n";
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out() << "# ------------------------------------------"
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"\n\n";
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}
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}
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}
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void write_facet_begin( std::size_t no) {
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if ( m_header.binary())
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I_Binary_write_big_endian_integer32( out(), static_cast<boost::int32_t>(no));
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else
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out() << no << ' ';
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}
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void write_facet_vertex_index( std::size_t index) {
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if ( m_header.binary())
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I_Binary_write_big_endian_integer32( out(), static_cast<boost::int32_t>(index));
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else
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out() << ' ' << index;
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}
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void write_facet_end() {
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if ( m_header.binary())
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I_Binary_write_big_endian_integer32( out(), 0);
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else
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out() << '\n';
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}
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};
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} //namespace CGAL
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#ifdef CGAL_HEADER_ONLY
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#include <CGAL/IO/File_writer_OFF_impl.h>
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#endif // CGAL_HEADER_ONLY
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#endif // CGAL_IO_FILE_WRITER_OFF_H //
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// EOF //
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