mirror of https://github.com/vitalif/openscad
58 lines
2.0 KiB
C++
58 lines
2.0 KiB
C++
/*
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* OpenSCAD (www.openscad.org)
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* Copyright (C) 2009-2011 Clifford Wolf <clifford@clifford.at> and
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* Marius Kintel <marius@kintel.net>
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*
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* This program is free software; you can redistribute it and/or modify
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* it under the terms of the GNU General Public License as published by
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* the Free Software Foundation; either version 2 of the License, or
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* (at your option) any later version.
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*
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* As a special exception, you have permission to link this program
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* with the CGAL library and distribute executables, as long as you
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* follow the requirements of the GNU GPL in regard to all of the
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* software in the executable aside from CGAL.
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*
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* This program is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU General Public License for more details.
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*
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* You should have received a copy of the GNU General Public License
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* along with this program; if not, write to the Free Software
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* Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
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*
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*/
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#include "printutils.h"
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#ifdef ENABLE_CGAL
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#include "dxftess-cgal.cc"
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#else
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#include "dxftess-glu.cc"
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#endif
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/*!
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Converts all paths in the given DxfData to PolySet::borders polygons
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without tesselating. Vertex ordering of the resulting polygons
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will follow the paths' is_inner flag.
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*/
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void dxf_border_to_ps(PolySet *ps, const DxfData &dxf)
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{
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for (size_t i = 0; i < dxf.paths.size(); i++) {
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const DxfData::Path &path = dxf.paths[i];
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if (!path.is_closed)
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continue;
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ps->borders.push_back(PolySet::Polygon());
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for (size_t j = 1; j < path.indices.size(); j++) {
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double x = dxf.points[path.indices[j]][0], y = dxf.points[path.indices[j]][1], z = 0.0;
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ps->grid.align(x, y, z);
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if (path.is_inner) {
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ps->borders.back().push_back(Vector3d(x, y, z));
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} else {
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ps->borders.back().insert(ps->borders.back().begin(), Vector3d(x, y, z));
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}
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}
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}
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}
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