From df7f1fe874b3b33201027bba6aff4a2a6688ad01 Mon Sep 17 00:00:00 2001
From: Oliver Jones <ojj11@imperial.ac.uk>
Date: Sat, 12 Oct 2013 19:28:45 +0100
Subject: [PATCH] Override default isEmpty method for Shape

Fixes (new Group([new Shape.Rectangle(...)])).bounds throwing ReferenceError when using Item's isEmpty
---
 src/item/Shape.js | 10 ++++++++++
 1 file changed, 10 insertions(+)

diff --git a/src/item/Shape.js b/src/item/Shape.js
index 3fb3653c..f44ab559 100644
--- a/src/item/Shape.js
+++ b/src/item/Shape.js
@@ -21,6 +21,16 @@ var Shape = Item.extend(/** @lends Shape# */{
 	_class: 'Shape',
 	_transformContent: false,
 
+	/**
+	 * Assumed that shape can never be empty.
+	 * Fixes (new Group([new Shape.Rectangle(...)])).bounds throwing ReferenceError.
+	 * 
+	 * @returns bool
+	 */
+	isEmpty: function() {
+		return false;
+	},
+
 	initialize: function Shape(type, point, size, props) {
 		this._initialize(props, point);
 		this._type = type;