From ed03702cd5f98ad90e908ff31e9dbd98824f6ac9 Mon Sep 17 00:00:00 2001
From: kzhdev <kun.zhao@tradingtechnologies.com>
Date: Thu, 30 Jan 2014 16:15:18 -0600
Subject: [PATCH] fixed an issue where setPixelRatio changed canvas to wrong
 size

---
 src/Canvas.js | 4 +++-
 1 file changed, 3 insertions(+), 1 deletion(-)

diff --git a/src/Canvas.js b/src/Canvas.js
index 6559a29f..8813b3e6 100644
--- a/src/Canvas.js
+++ b/src/Canvas.js
@@ -79,8 +79,10 @@
          *  ratio for special situations, or, if you don't want the pixel ratio to be taken into account, you can set it to 1.
          */
         setPixelRatio: function(pixelRatio) {
+            var width = this.getWidth() / this.pixelRatio,
+                height = this.getHeight() / this.pixelRatio;
             this.pixelRatio = pixelRatio;
-            this.setSize(this.getWidth(), this.getHeight());
+            this.setSize(width, height);
         },
         /**
          * set width