 
     /**
      *  Constructor.
+     *  
+     *  @langversion 3.0
+     *  @playerversion Flash 9
+     *  @playerversion AIR 1.1
+     *  @productversion Flex 3
      */
     public function PNGEncoder()
     {

     *  as four bytes in ARGB format.
     *
     *  @return Returns a ByteArray object containing PNG-encoded image data. 
     */
    public function encodeByteArray(byteArray:ByteArray, width:int, height:int,
									transparent:Boolean = true):ByteArray

     *  @param bitmapData The input BitmapData object.
     *
     *  @return Returns a ByteArray object containing PNG-encoded image data.
     *  
     *  @langversion 3.0
     *  @playerversion Flash 9
     *  @playerversion AIR 1.1
     *  @productversion Flex 3
     */
    public function encode(bitmapData:BitmapData):ByteArray
    {
