From 13912e5b50de0dc4cbb50fca88d7a6f7b6992219 Mon Sep 17 00:00:00 2001
From: Masayuki Tanaka <masayuki0812@mac.com>
Date: Wed, 3 Jul 2013 15:50:44 +0900
Subject: [PATCH] Add classes option for region

---
 c3.js | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/c3.js b/c3.js
index 21ab1b4..817234b 100644
--- a/c3.js
+++ b/c3.js
@@ -489,7 +489,7 @@
         function classShape (d,i) { return "__shape __shape-" + i }
         function classCircle (d,i) { return classShape(d,i) + " __circle __circle-" + i }
         function classBar (d,i) { return classShape(d,i) + " __bar __bar-" + i }
-        function classRegion (d,i) { return 'region region-' + i + ("id" in d ? ' region-' + d.id : '')}
+        function classRegion (d,i) { return 'region region-' + i + ' ' + ("id" in d ? 'region-' + d.id : '') + ' ' + ('classes' in d ? [].concat(d.classes).join(' ') : '')}
 
         function xx (d) {
             return x(d.x)