From d892dcfbc7436571633892a0510784d90c0f9e73 Mon Sep 17 00:00:00 2001
From: Peter <jetic@gmx.net>
Date: Wed, 8 Aug 2018 20:05:46 -0400
Subject: [PATCH] Repaired Minor issues

---
 src/drawer.js | 14 ++++++++------
 1 file changed, 8 insertions(+), 6 deletions(-)

diff --git a/src/drawer.js b/src/drawer.js
index be3a73b7..24023c84 100644
--- a/src/drawer.js
+++ b/src/drawer.js
@@ -611,14 +611,16 @@ $.Drawer.prototype = {
      */
     setImageSmoothingEnabled: function(imageSmoothingEnabled){
         if ( this.useCanvas ) {
-            this.context.mozImageSmoothingEnabled = imageSmoothingEnabled;
-            this.context.webkitImageSmoothingEnabled = imageSmoothingEnabled;
-            this.context.msImageSmoothingEnabled = imageSmoothingEnabled;
-            this.context.imageSmoothingEnabled = imageSmoothingEnabled;
+            var context = this.context;
+            context.save();
+            context.mozImageSmoothingEnabled = imageSmoothingEnabled;
+            context.webkitImageSmoothingEnabled = imageSmoothingEnabled;
+            context.msImageSmoothingEnabled = imageSmoothingEnabled;
+            context.imageSmoothingEnabled = imageSmoothingEnabled;
 
-            this.context.restore();
+            context.restore();
 
-            this.viewer.world.draw();
+            this.viewer.forceRedraw();
         }
     },