From 501e42fb9da78c0adf141cde32897af27e5a49d6 Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?J=C3=BCrg=20Lehni?= <juerg@scratchdisk.com>
Date: Sun, 6 Mar 2011 14:58:10 +0000
Subject: [PATCH] Add Path#getLength().

---
 src/path/Path.js          | 10 ++++++++++
 test/tests/Path_Length.js |  2 +-
 2 files changed, 11 insertions(+), 1 deletion(-)

diff --git a/src/path/Path.js b/src/path/Path.js
index 975d71f8..e581728e 100644
--- a/src/path/Path.js
+++ b/src/path/Path.js
@@ -338,6 +338,14 @@ var Path = this.Path = PathItem.extend({
 		this.closed = ture;
 	},
 
+	getLength: function() {
+		var curves = this.getCurves();
+		var length = 0;
+		for (var i = 0, l = curves.length; i < l; i++)
+			length += curves[i].getLength();
+		return length;
+	},
+
 	draw: function(ctx, param) {
 		if (!param.compound)
 			ctx.beginPath();
@@ -559,6 +567,8 @@ var Path = this.Path = PathItem.extend({
 			function addJoin(segment, join) {
 				var handleIn = segment.getHandleInIfSet(),
 					handleOut = segment.getHandleOutIfSet();
+				// When both handles are set in a segment, the join setting is
+				// ignored and round is always used.
 				if (join == 'round' || handleIn && handleOut) {
 					bounds = bounds.unite(new Rectangle(new Size(width, width))
 							.setCenter(segment._point));
diff --git a/test/tests/Path_Length.js b/test/tests/Path_Length.js
index 49a17dc4..905f9835 100644
--- a/test/tests/Path_Length.js
+++ b/test/tests/Path_Length.js
@@ -6,5 +6,5 @@ test('path.length', function() {
 		new Segment(new Point(121, 334), new Point(-19, 38), new Point(30.7666015625, -61.53369140625)),
 		new Segment(new Point(248, 320), new Point(-42, -74), new Point(42, 74))
 	]);
-	compareNumbers(path.curves[0].length, 172.10122680664062);
+	compareNumbers(path.length, 172.10122680664062);
 });