public class IPLed extends java.applet.Applet implements Runnable
{
	Thread mThread;
	final int smImageCount=12;
	Image[] mLedImages=new Image[smImageCount];
	String mStrParam;

  public void init()
	{
		mLedImages[0]=getImage(getCodeBase(),"image/zero.gif");
		mLedImages[1]=getImage(getCodeBase(),"image/one.gif");
		mLedImages[2]=getImage(getCodeBase(),"image/two.gif");
		mLedImages[3]=getImage(getCodeBase(),"image/three.gif");
		mLedImages[4]=getImage(getCodeBase(),"image/four.gif");
		mLedImages[5]=getImage(getCodeBase(),"image/five.gif");
		mLedImages[6]=getImage(getCodeBase(),"image/six.gif");
		mLedImages[7]=getImage(getCodeBase(),"image/seven.gif");
		mLedImages[8]=getImage(getCodeBase(),"image/eight.gif");
		mLedImages[9]=getImage(getCodeBase(),"image/nine.gif");
		mLedImages[10]=getImage(getCodeBase(),"image/dash.gif");
		mLedImages[11]=getImage(getCodeBase(),"image/blank.gif");
		mStrParam=new String(getParameter("address"));
		if(null==mStrParam)mStrParam="255.255.255.255";
		MediaTracker mediaTracker=new MediaTracker(this);
		for(int imageIndex=0;imageIndex<smImageCount;imageIndex++)mediaTracker.addImage(mLedImages[imageIndex],imageIndex);
		try(mediaTracker.waitForAll());
		catch(InterruptedException ie){;}
		repaint();
	}
  public void run()
	{
	  repaint();
	}
  public void start()
	{
	  if(mThread==null){mThread=new Thread(this);mThread.start();}
	} 
	public void stop()
	{
	  if(null!=mThread){mThread.stop();mThread=null;}
	}
  public void paint(Graphics graphics)
  {
	  drawLEDString(mStrParam,graphics);
  }
	public void drawLEDString(String strLED,Graphics graphics)
	{
	  int strLength=strLED.length();
		int imageWidth;
		int imageHeight;
		Point ptLoc;

    ptLoc=new Point(4,4);
		imageWidth=mLedImages[0].getWidth(this);
		imageHeight=mLedImages[0].getHeight(this);
		for(int strIndex=0;strIndex<strLength;strIndex++)
		{
		  char strChar=strLED.charAt(strIndex);

			if('0'==strChar)graphics.drawImage(mLedImages[0],ptLoc.x,ptLoc.y,this);
			else if('1'==strChar)graphics.drawImage(mLedImages[1],ptLoc.x,ptLoc.y,this);
			else if('2'==strChar)graphics.drawImage(mLedImages[2],ptLoc.x,ptLoc.y,this);
			else if('3'==strChar)graphics.drawImage(mLedImages[3],ptLoc.x,ptLoc.y,this);
			else if('4'==strChar)graphics.drawImage(mLedImages[4],ptLoc.x,ptLoc.y,this);
			else if('5'==strChar)graphics.drawImage(mLedImages[5],ptLoc.x,ptLoc.y,this);
			else if('6'==strChar)graphics.drawImage(mLedImages[6],ptLoc.x,ptLoc.y,this);
			else if('7'==strChar)graphics.drawImage(mLedImages[7],ptLoc.x,ptLoc.y,this);
			else if('8'==strChar)graphics.drawImage(mLedImages[8],ptLoc.x,ptLoc.y,this);
			else if('9'==strChar)graphics.drawImage(mLedImages[9],ptLoc.x,ptLoc.y,this);
			else if('.'==strChar)graphics.drawImage(mLedImages[10],ptLoc.x,ptLoc.y,this);
			else graphics.drawImage(mLedImages[11],ptLoc.x,ptLoc.y,this);
			ptLoc.x+=imageWidth;
		}
		graphics.setColor(new Color(48,64,0));
		graphics.drawLine(3,3,ptLoc.x,3);
		graphics.drawLine(3,3,3,imageHeight+4);
		graphics.setColor(new Color(175,192,224));
		graphics.drawLine(3,imageHeight+4,ptLoc.x,imageHeight+4);
		graphics.drawLine(ptLoc.x,3,ptLoc.x,imageHeight+4);
		graphics.setColor(new Color(96,143,208));
		graphics.drawRect(2,2,(ptLoc.x+1)-2,imageHeight+3);
		graphics.setColor(new Color(175,192,224));
		graphics.drawLine(1,1,ptLoc.x+2,1);
	}
}