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Implemented export of Polygon2d to dxf

527olive
Marius Kintel 2013-12-22 14:10:53 -05:00
parent 7efac3940e
commit 94d6de06fd
2 changed files with 65 additions and 1 deletions
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65
src/export.cc
View File

@ -63,7 +63,9 @@ void exportFile(const class Geometry *root_geom, std::ostream &output, FileForma
assert(false && "Unsupported file format");
}
}
else {
else if (const Polygon2d *poly = dynamic_cast<const Polygon2d *>(root_geom)) {
export_dxf(*poly, output);
} else {
assert(false && "Not implemented");
}
}
@ -264,6 +266,67 @@ void export_dxf(const CGAL_Nef_polyhedron *root_N, std::ostream &output)
#endif // ENABLE_CGAL
/*!
Saves the current Polygon2d as DXF to the given absolute filename.
*/
void export_dxf(const Polygon2d &poly, std::ostream &output)
{
setlocale(LC_NUMERIC, "C"); // Ensure radix is . (not ,) in output
// Some importers (e.g. Inkscape) needs a BLOCKS section to be present
output << " 0\n"
<< "SECTION\n"
<< " 2\n"
<< "BLOCKS\n"
<< " 0\n"
<< "ENDSEC\n"
<< " 0\n"
<< "SECTION\n"
<< " 2\n"
<< "ENTITIES\n";
BOOST_FOREACH(const Outline2d &o, poly.outlines()) {
for (int i=0;i<o.size();i++) {
const Vector2d &p1 = o[i];
const Vector2d &p2 = o[(i+1)%o.size()];
double x1 = p1[0];
double y1 = p1[1];
double x2 = p2[0];
double y2 = p2[1];
output << " 0\n"
<< "LINE\n";
// Some importers (e.g. Inkscape) needs a layer to be specified
output << " 8\n"
<< "0\n"
<< " 10\n"
<< x1 << "\n"
<< " 11\n"
<< x2 << "\n"
<< " 20\n"
<< y1 << "\n"
<< " 21\n"
<< y2 << "\n";
}
}
output << " 0\n"
<< "ENDSEC\n";
// Some importers (e.g. Inkscape) needs an OBJECTS section with a DICTIONARY entry
output << " 0\n"
<< "SECTION\n"
<< " 2\n"
<< "OBJECTS\n"
<< " 0\n"
<< "DICTIONARY\n"
<< " 0\n"
<< "ENDSEC\n";
output << " 0\n"
<<"EOF\n";
setlocale(LC_NUMERIC, ""); // Set default locale
}
#ifdef DEBUG
#include <boost/foreach.hpp>
void export_stl(const PolySet &ps, std::ostream &output)

1
src/export.h
View File

@ -20,6 +20,7 @@ void export_stl(const class CGAL_Nef_polyhedron *root_N, std::ostream &output);
void export_stl(const class PolySet *ps, std::ostream &output);
void export_off(const CGAL_Nef_polyhedron *root_N, std::ostream &output);
void export_dxf(const CGAL_Nef_polyhedron *root_N, std::ostream &output);
void export_dxf(const class Polygon2d &poly, std::ostream &output);
void export_png(const CGAL_Nef_polyhedron *root_N, Camera &c, std::ostream &output);
void export_png_with_opencsg(Tree &tree, Camera &c, std::ostream &output);
void export_png_with_throwntogether(Tree &tree, Camera &c, std::ostream &output);