undo pd mod

Author: lauren mccarthy

lib/p5.js

@@ -89,7 +89,7 @@ var core = function (require, shim, constants) {
     var constants = constants;
     var p5 = function (sketch, node) {
       this._setupDone = false;
-      this._pixelDensity = 2;//window.devicePixelRatio || 1;
+      this._pixelDensity =2;// window.devicePixelRatio || 1;
       this._startTime = new Date().getTime();
       this._userNode = node;
       this._curElement = null;
@@ -1020,7 +1020,7 @@ var p5Image = function (require, core, filters) {
       var currBlend = this.drawingContext.globalCompositeOperation;
       var scaleFactor = 1;
       if (p5Image instanceof p5.Graphics) {
-        scaleFactor = p5Image._pInst._pixelDensity;
+        scaleFactor = p5Image._pixelDensity;
       }
       var copyArgs = [
           p5Image,