fixed arrowheads not being colored

HISTORY.md

@@ -12,6 +12,7 @@ http://visjs.org
 ### Network
 
 - Fixed onRelease with navigation option.
+- Fixed arrow heads not being colored.
 
 
 ## 2014-10-28, version 3.6.3

examples/network/01_basic_usage.html

@@ -43,7 +43,7 @@
     nodes: nodes,
     edges: edges
   };
-  var options = {};
+  var options = {edges:{style:'arrow-center'}};
   var network = new vis.Network(container, data, options);
 </script>
 

lib/network/Edge.js

@@ -717,6 +717,7 @@ Edge.prototype._drawArrowCenter = function(ctx) {
   var point;
   // set style
   ctx.strokeStyle = this._getColor();
+  ctx.fillStyle = ctx.strokeStyle;
   ctx.lineWidth = this._getLineWidth();
 
   if (this.from != this.to) {
@@ -790,6 +791,7 @@ Edge.prototype._drawArrowCenter = function(ctx) {
 Edge.prototype._drawArrow = function(ctx) {
   // set style
   ctx.strokeStyle = this._getColor();
+  ctx.fillStyle = ctx.strokeStyle;
   ctx.lineWidth = this._getLineWidth();
 
   var angle, length;