From: Evert Timberg <evert.timberg+github@gmail.com>
Date: Tue, 21 Jun 2016 23:57:13 +0000 (-0400)
Subject: Use the scale center point for the polar area chart center
X-Git-Tag: v2.2.0-rc.1~31^2~1
X-Git-Url: http://git.ipfire.org/?a=commitdiff_plain;h=0871dd96a5e69dbc33427bcaa15212ee04d89144;p=thirdparty%2FChart.js.git

Use the scale center point for the polar area chart center
---

diff --git a/src/controllers/controller.polarArea.js b/src/controllers/controller.polarArea.js
index db36a24c1..4a22482b4 100644
--- a/src/controllers/controller.polarArea.js
+++ b/src/controllers/controller.polarArea.js
@@ -139,8 +139,8 @@ module.exports = function(Chart) {
 			var labels = chart.data.labels;
 
 			var circumference = me.calculateCircumference(dataset.data[index]);
-			var centerX = (chartArea.left + chartArea.right) / 2;
-			var centerY = (chartArea.top + chartArea.bottom) / 2;
+			var centerX = scale.xCenter;
+			var centerY = scale.yCenter;
 
 			// If there is NaN data before us, we need to calculate the starting angle correctly.
 			// We could be way more efficient here, but its unlikely that the polar area chart will have a lot of data