From 589d4e6e73e34d9ae76e27dd91c1bf89a595ceab Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?J=C3=BCrg=20Lehni?= <juerg@scratchdisk.com>
Date: Sun, 9 Dec 2012 18:04:56 -0800
Subject: [PATCH] Handle exporting of empty paths.

---
 examples/SVG Export/Empty Path Testing.html |  2 ++
 src/svg/SvgExport.js                        | 10 +++++++---
 2 files changed, 9 insertions(+), 3 deletions(-)

diff --git a/examples/SVG Export/Empty Path Testing.html b/examples/SVG Export/Empty Path Testing.html
index 7698f7f5..8bf2481a 100644
--- a/examples/SVG Export/Empty Path Testing.html	
+++ b/examples/SVG Export/Empty Path Testing.html	
@@ -18,6 +18,8 @@
 		var segments = [new Point(30, 90), new Point(100, 150)];
 		var path2 = new Path(segments);
 		path2.strokeColor = 'yellow';
+
+		var path3 = new Path();
 		
 		document.getElementById('svg').appendChild(project.exportSvg());
 	</script>
diff --git a/src/svg/SvgExport.js b/src/svg/SvgExport.js
index 39b9603b..34afe7c0 100644
--- a/src/svg/SvgExport.js
+++ b/src/svg/SvgExport.js
@@ -182,9 +182,11 @@ new function() {
 			return  segments.length === 4 && path._closed
 					&& isColinear(0, 2) && isColinear(1, 3)
 					? 'rect'
-					: segments.length >= 3
-						? path._closed ? 'polygon' : 'polyline'
-						: 'line';
+					: segments.length === 0
+						? 'empty'
+						: segments.length >= 3
+							? path._closed ? 'polygon' : 'polyline'
+							: 'line';
 		} else if (path._closed) {
 			if (segments.length === 8
 					&& isArc(0) && isArc(2) && isArc(4) && isArc(6)
@@ -236,6 +238,8 @@ new function() {
 			angle = determineAngle(path, segments, type, center),
 			attrs;
 		switch (type) {
+		case 'empty':
+			return null;
 		case 'path':
 			attrs = {
 				d: getPath(path, segments)