shAlpha:Number = 1, bitmapCacheRenderMode:String = null)</code><p></p><p>
       The <code>SquareBrush</code> constructor.
       
       </p><span class="label"> Parameters </span><table cellpadding="0" cellspacing="0" border="0"><tr><td width="20px"></td><td><code><span class="label">brushSize</span>:Number</code> (default = <code>4</code>)<code></code> &mdash; Size of the brush.
       </td></tr><tr><td class="paramSpacer">&nbsp;</td></tr><tr><td width="20px"></td><td><code><span class="label">brushColor