private void processPolyLine(RdpPacket_Localised data,
			PolyLineOrder polyline, int present, boolean delta) {
		if ((present & 0x01) != 0)
			polyline.setX(setCoordinate(data, polyline.getX(), delta));
		if ((present & 0x02) != 0)
			polyline.setY(setCoordinate(data, polyline.getY(), delta));
		if ((present & 0x04) != 0)
			polyline.setOpcode(data.get8());
		if ((present & 0x10) != 0)
			polyline.setForegroundColor(setColor(data));
		if ((present & 0x20) != 0)
			polyline.setLines(data.get8());
		if ((present & 0x40) != 0) {
			int datasize = data.get8();
			polyline.setDataSize(datasize);
			byte[] databytes = new byte[datasize];
			for (int i = 0; i < datasize; i++)
				databytes[i] = (byte) data.get8();
			polyline.setData(databytes);
		}
		// //logger.info("polyline delta="+delta);
		// if(//logger.isInfoEnabled()) //logger.info("Line from
		// ("+line.getStartX()+","+line.getStartY()+") to
		// ("+line.getEndX()+","+line.getEndY()+")");
		// now draw the line
		surface.drawPolyLineOrder(polyline);
	}