code: function mxCloud(bounds, fill, stroke, strokewidth)
  {
  	mxActor.call(this);
  	this.bounds = bounds;
  	this.fill = fill;
  	this.stroke = stroke;
  	this.strokewidth = (strokewidth != null) ? strokewidth : 1;
  }
docs: Copyright (c) 2006-2015, JGraph Ltd
  Copyright (c) 2006-2015, Gaudenz Alder
   
  Class: mxCloud
  
  Extends <mxActor> to implement a cloud shape.
  
  This shape is registered under <mxConstants.SHAPE_CLOUD> in
  <mxCellRenderer>.
  
  Constructor: mxCloud
  
  Constructs a new cloud shape.
  
  Parameters:
  
  bounds - <mxRectangle> that defines the bounds. This is stored in
  <mxShape.bounds>.
  fill - String that defines the fill color. This is stored in <fill>.
  stroke - String that defines the stroke color. This is stored in <stroke>.
  strokewidth - Optional integer that defines the stroke width. Default is
  1. This is stored in <strokewidth>.