mirror of https://github.com/vitalif/openscad
55 lines
1.7 KiB
C++
55 lines
1.7 KiB
C++
/*
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* OpenSCAD (www.openscad.at)
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* Copyright (C) 2009 Clifford Wolf <clifford@clifford.at>
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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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* 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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#define INCLUDE_ABSTRACT_NODE_DETAILS
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#include "openscad.h"
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#include "printutils.h"
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#ifdef CGAL_TESSELATE
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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 // CGAL_TESSELATE
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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, DxfData *dxf)
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{
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for (int i = 0; i < dxf->paths.count(); i++) {
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const DxfData::Path &pt = dxf->paths[i];
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if (!pt.is_closed)
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continue;
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ps->borders.append(PolySet::Polygon());
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for (int j = 1; j < pt.points.count(); j++) {
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double x = pt.points[j]->x, y = pt.points[j]->y, z = 0.0;
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ps->grid.align(x, y, z);
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if (pt.is_inner) {
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ps->borders.last().append(PolySet::Point(x, y, z));
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} else {
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ps->borders.last().insert(0, PolySet::Point(x, y, z));
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}
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}
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}
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}
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