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Diffstat (limited to 'src/dxftess.cc')
| -rw-r--r-- | src/dxftess.cc | 54 |
1 files changed, 54 insertions, 0 deletions
diff --git a/src/dxftess.cc b/src/dxftess.cc new file mode 100644 index 0000000..c0d4c0c --- /dev/null +++ b/src/dxftess.cc @@ -0,0 +1,54 @@ +/* + * OpenSCAD (www.openscad.at) + * Copyright (C) 2009 Clifford Wolf <clifford@clifford.at> + * + * This program is free software; you can redistribute it and/or modify + * it under the terms of the GNU General Public License as published by + * the Free Software Foundation; either version 2 of the License, or + * (at your option) any later version. + * + * This program is distributed in the hope that it will be useful, + * but WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the + * GNU General Public License for more details. + * + * You should have received a copy of the GNU General Public License + * along with this program; if not, write to the Free Software + * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA + * + */ + +#define INCLUDE_ABSTRACT_NODE_DETAILS + +#include "openscad.h" +#include "printutils.h" + +#ifdef CGAL_TESSELATE +#include "dxftess-cgal.cc" +#else +#include "dxftess-glu.cc" +#endif // CGAL_TESSELATE + +/*! + Converts all paths in the given DxfData to PolySet::borders polygons + without tesselating. Vertex ordering of the resulting polygons + will follow the paths' is_inner flag. +*/ +void dxf_border_to_ps(PolySet *ps, DxfData *dxf) +{ + for (int i = 0; i < dxf->paths.count(); i++) { + const DxfData::Path &pt = dxf->paths[i]; + if (!pt.is_closed) + continue; + ps->borders.append(PolySet::Polygon()); + for (int j = 1; j < pt.points.count(); j++) { + double x = pt.points[j]->x, y = pt.points[j]->y, z = 0.0; + ps->grid.align(x, y, z); + if (pt.is_inner) { + ps->borders.last().append(PolySet::Point(x, y, z)); + } else { + ps->borders.last().insert(0, PolySet::Point(x, y, z)); + } + } + } +} |