tweaked circles

dist/vis.js

@@ -26956,15 +26956,14 @@ return /******/ (function(modules) { // webpackBootstrap
     this._drawRawCircle(ctx, centerX, centerY, radius);
 
     ctx.save();
-    ctx.beginPath();
-    ctx.arc(centerX, centerY, radius, 0, Math.PI * 2, true);
-    ctx.closePath();
-    ctx.clip();	
+    ctx.circle(this.x, this.y, radius);
+    ctx.stroke();
+    ctx.clip();
 
     this._drawImageAtPosition(ctx);
 
     ctx.restore();
-    
+
     this.boundingBox.top = this.y - this.options.radius;
     this.boundingBox.left = this.x - this.options.radius;
     this.boundingBox.right = this.x + this.options.radius;

lib/network/Node.js

@@ -630,15 +630,14 @@ Node.prototype._drawCircularImage = function (ctx) {
   this._drawRawCircle(ctx, centerX, centerY, radius);
 
   ctx.save();
-  ctx.beginPath();
-  ctx.arc(centerX, centerY, radius, 0, Math.PI * 2, true);
-  ctx.closePath();
-  ctx.clip();	
+  ctx.circle(this.x, this.y, radius);
+  ctx.stroke();
+  ctx.clip();
 
   this._drawImageAtPosition(ctx);
 
   ctx.restore();
-  
+
   this.boundingBox.top = this.y - this.options.radius;
   this.boundingBox.left = this.x - this.options.radius;
   this.boundingBox.right = this.x + this.options.radius;