- Fixed bug when redrawing was not right on zoomed-out browsers.

HISTORY.md

@@ -15,6 +15,7 @@ http://visjs.org
 - Added stabilizationIterationsDone event which fires at the end of the internal stabilization run. Does not imply that the network is stabilized.
 - Added setFreezeSimulation method.
 - Added clusterByZoom option and increaseClusterLevel and decreaseClusterLevel methods.
+- Fixed bug when redrawing was not right on zoomed-out browsers.
 
 
 ### DataSet/DataView

lib/network/Network.js

@@ -849,6 +849,7 @@ Network.prototype._create = function () {
               ctx.oBackingStorePixelRatio ||
               ctx.backingStorePixelRatio || 1);
 
+    this.pixelRatio = Math.max(1,this.pixelRatio); // this is to account for browser zooming out. The pixel ratio is ment to switch between 1 and 2 for HD screens.
     this.frame.canvas.getContext("2d").setTransform(this.pixelRatio, 0, 0, this.pixelRatio, 0, 0);
   }
 
@@ -1920,8 +1921,8 @@ Network.prototype._redraw = function(hidden) {
   ctx.setTransform(this.pixelRatio, 0, 0, this.pixelRatio, 0, 0);
 
   // clear the canvas
-  var w = this.frame.canvas.width  * this.pixelRatio;
-  var h = this.frame.canvas.height  * this.pixelRatio;
+  var w = this.frame.canvas.clientWidth  * this.pixelRatio;
+  var h = this.frame.canvas.clientHeight  * this.pixelRatio;
   ctx.clearRect(0, 0, w, h);
 
   // set scaling and translation