From 91ff6420e4cd06f38fedb519f9d7049a1b055a66 Mon Sep 17 00:00:00 2001
From: Marius Kintel <marius@kintel.net>
Date: Fri, 24 Jan 2014 00:59:02 -0500
Subject: [PATCH] OFF export workaround. Convert to Nef polyhedron for now

---
 src/export.cc | 11 +++++++++++
 src/export.h  |  1 +
 2 files changed, 12 insertions(+)

diff --git a/src/export.cc b/src/export.cc
index 34315252..00ebf06d 100644
--- a/src/export.cc
+++ b/src/export.cc
@@ -61,6 +61,9 @@ void exportFile(const class Geometry *root_geom, std::ostream &output, FileForma
 			case OPENSCAD_STL:
 				export_stl(*ps, output);
 				break;
+			case OPENSCAD_OFF:
+				export_off(*ps, output);
+				break;
 			default:
 				assert(false && "Unsupported file format");
 			}
@@ -208,6 +211,14 @@ void export_stl(const CGAL_Nef_polyhedron *root_N, std::ostream &output)
 	}
 }
 
+void export_off(const class PolySet &ps, std::ostream &output)
+{
+	// FIXME: Implement this without creating a Nef polyhedron
+	CGAL_Nef_polyhedron *N = createNefPolyhedronFromGeometry(ps);
+	export_off(N, output);
+	delete N;
+}
+
 void export_off(const CGAL_Nef_polyhedron *root_N, std::ostream &output)
 {
 	if (!root_N->p3->is_simple()) {
diff --git a/src/export.h b/src/export.h
index 28c1c07d..7c137683 100644
--- a/src/export.h
+++ b/src/export.h
@@ -19,6 +19,7 @@ void export_png(const class Geometry *root_geom, Camera &c, std::ostream &output
 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_off(const class PolySet &ps, 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);