From 8d5249760a9f58dcd374322e02a891f059bf2851 Mon Sep 17 00:00:00 2001
From: Conrad Irwin <conrad.irwin@gmail.com>
Date: Sat, 5 Sep 2015 00:03:43 -0700
Subject: [PATCH] Don't draw invisible circles

---
 canvas2svg.js | 4 ++++
 1 file changed, 4 insertions(+)

diff --git a/canvas2svg.js b/canvas2svg.js
index ff09f8a..826bb11 100644
--- a/canvas2svg.js
+++ b/canvas2svg.js
@@ -926,6 +926,10 @@
      *  Arc command!
      */
     ctx.prototype.arc = function(x, y, radius, startAngle, endAngle, counterClockwise) {
+        // in canvas no circle is drawn if no angle is provided.
+        if (startAngle === endAngle) {
+            return;
+        }
         startAngle = startAngle % (2*Math.PI);
         endAngle = endAngle % (2*Math.PI);
         if(startAngle === endAngle) {