From f6129ffdb8543ca001137c02afb2a5426d02e1b3 Mon Sep 17 00:00:00 2001
From: Torsten Paul <Torsten.Paul@gmx.de>
Date: Mon, 10 Feb 2014 20:27:48 +0100
Subject: [PATCH] Add SVG export via command line.

---
 src/openscad.cc | 18 ++++++++++++++++++
 1 file changed, 18 insertions(+)

diff --git a/src/openscad.cc b/src/openscad.cc
index 3c020e25..2a6c4dcd 100644
--- a/src/openscad.cc
+++ b/src/openscad.cc
@@ -217,6 +217,7 @@ int cmdline(const char *deps_output_file, const std::string &filename, Camera &c
 	const char *stl_output_file = NULL;
 	const char *off_output_file = NULL;
 	const char *dxf_output_file = NULL;
+	const char *svg_output_file = NULL;
 	const char *csg_output_file = NULL;
 	const char *png_output_file = NULL;
 	const char *ast_output_file = NULL;
@@ -229,6 +230,7 @@ int cmdline(const char *deps_output_file, const std::string &filename, Camera &c
 	if (suffix == ".stl") stl_output_file = output_file;
 	else if (suffix == ".off") off_output_file = output_file;
 	else if (suffix == ".dxf") dxf_output_file = output_file;
+	else if (suffix == ".svg") svg_output_file = output_file;
 	else if (suffix == ".csg") csg_output_file = output_file;
 	else if (suffix == ".png") png_output_file = output_file;
 	else if (suffix == ".ast") ast_output_file = output_file;
@@ -349,6 +351,7 @@ int cmdline(const char *deps_output_file, const std::string &filename, Camera &c
 			if ( stl_output_file ) geom_out = std::string(stl_output_file);
 			else if ( off_output_file ) geom_out = std::string(off_output_file);
 			else if ( dxf_output_file ) geom_out = std::string(dxf_output_file);
+			else if ( svg_output_file ) geom_out = std::string(svg_output_file);
 			else if ( png_output_file ) geom_out = std::string(png_output_file);
 			else {
 				PRINTB("Output file:%s\n",output_file);
@@ -406,6 +409,21 @@ int cmdline(const char *deps_output_file, const std::string &filename, Camera &c
 				fstream.close();
 			}
 		}
+		
+		if (svg_output_file) {
+			if (root_geom->getDimension() != 2) {
+				PRINT("Current top level object is not a 2D object.\n");
+				return 1;
+			}
+			std::ofstream fstream(svg_output_file);
+			if (!fstream.is_open()) {
+				PRINTB("Can't open file \"%s\" for export", svg_output_file);
+			}
+			else {
+				exportFile(root_geom.get(), fstream, OPENSCAD_SVG);
+				fstream.close();
+			}
+		}
 
 		if (png_output_file) {
 			std::ofstream fstream(png_output_file,std::ios::out|std::ios::binary);