From: Christopher Weiss <cmweiss@gmail.com>
Date: Tue, 21 Oct 2014 01:49:41 +0000 (-0400)
Subject: Prototype for hue() & default fillColor to use it.
X-Git-Tag: v2.0-alpha~47^2~10
X-Git-Url: http://git.ipfire.org/cgi-bin/gitweb.cgi?a=commitdiff_plain;h=e21147cbb9e93797b1b3949a722b4958eed05a32;p=thirdparty%2FChart.js.git

Prototype for hue() & default fillColor to use it.
---

diff --git a/src/Chart.Doughnut.js b/src/Chart.Doughnut.js
index 35de93c7f..0dab405c8 100644
--- a/src/Chart.Doughnut.js
+++ b/src/Chart.Doughnut.js
@@ -36,6 +36,14 @@
 
 	};
 
+	function hue(part, total) {
+		var h, s, v, c, x, m,
+			r = '00',
+			g = '00',
+			b = '00';
+		
+		return '#' + r + g + b;
+	}
 
 	Chart.Type.extend({
 		//Passing in a name registers this chart in the Chart namespace
@@ -94,7 +102,7 @@
 				value : segment.value,
 				outerRadius : (this.options.animateScale) ? 0 : this.outerRadius,
 				innerRadius : (this.options.animateScale) ? 0 : (this.outerRadius/100) * this.options.percentageInnerCutout,
-				fillColor : segment.color,
+				fillColor : segment.color || hue(index, this.segments.length),
 				highlightColor : segment.highlight || segment.color,
 				showStroke : this.options.segmentShowStroke,
 				strokeWidth : this.options.segmentStrokeWidth,
@@ -181,4 +189,4 @@
 		defaults : helpers.merge(defaultConfig,{percentageInnerCutout : 0})
 	});
 
-}).call(this);
\ No newline at end of file
+}).call(this);