FLOOD PICS

				
'**************************************
' Name: FLOOD PICS
' Description:It slowly reveal a pic. Another cool Applet... VOTE 4 ME!!! THANX!
' By: Mike McNaughton
'
'This code is copyrighted and has' limited warranties.Please see http://www.Planet-Source-Code.com/vb/scripts/ShowCode.asp?txtCodeId=2088&lngWId=14'for details.'**************************************

<applet code="FloodPicz.class" name="FloodPicz" width="140" height="190">
 <param name="image_ext" value="gif">
 <param name="image_num" value="5">
 <param name="image_pre" value="wow">
</applet>
<------OTHER------->
<------OTHER------->
<------OTHER------->
<------OTHER------->
<------OTHER------->
import java.applet.*;
import java.awt.*;
import java.awt.image.PixelGrabber;
import java.awt.image.MemoryImageSource;
public class FloodPicz extends Applet implements Runnable
{
	private Thread	 m_FloodPicz = null;
	boolean asodreadisegna = false;
	int piccyonshow = 0;
	int nowonshow = 0;
	int extent_x = 0;
	int extent_y = 0;
	Color coloresfondo = new Color(0,0,0);
	Color colorefont = new Color(255,255,255);
	Font graphchar = new Font("Arial", Font.BOLD, 24);
	
	//Immagine in memoria
	private int screenPixel[], memimagepix[];
	private int tile[];
	private MemoryImageSource screenMem;
private Image screenScr;
	private Graphics m_g;
	private Image globalimagedata[];
	int pic_num = 0;
	
	public void init()
	{
		
		String file_prefix = getParameter("image_pre");
		String file_extens = getParameter("image_ext");
		pic_num = Integer.parseInt(getParameter("image_num"));		
		
		globalimagedata = new Image[pic_num + 1];
		int piccycount;
		MediaTracker tracker = new MediaTracker(this);
		for(piccycount = 0; piccycount < pic_num; piccycount++)
		{
			//globalimagedata[piccycount] = getImage(getDocumentBase(), getParameter("image_pre"));
			globalimagedata[piccycount] = getImage(getDocumentBase(), 
										 file_prefix + (piccycount + 1) + "." + file_extens);
			try 
			{
				tracker.waitForID(piccycount); 
			}
			catch(Exception e) {};
			tracker.addImage(globalimagedata[piccycount], piccycount);
		}
	
		// WHAT'S THIS!?!??!
		while ( (extent_x=globalimagedata[0].getWidth(this)) < 0 )						
			try { Thread.sleep(100); } catch( InterruptedException e ) {}	
		while ( (extent_y=globalimagedata[0].getHeight(this)) < 0 )						
			try { Thread.sleep(100); } catch( InterruptedException e ) {}		
		screenPixel = new int[extent_x * extent_y];
		memimagepix = new int[extent_x * extent_y];
		loadPix( piccyonshow );
		screenScr = createImage(extent_x, extent_y);
		m_g = screenScr.getGraphics();
		asodreadisegna = false;
	}
	public void update(Graphics g)
	{
		if(asodreadisegna)
			return;
		if(nowonshow == 0)
			return;
		Image TMPscreenScr = createImage( new MemoryImageSource(extent_x, 
													extent_y, 
													screenPixel, 
													0, 
													extent_x) );
		m_g.setColor ( coloresfondo );
		m_g.fillRect(0,0, extent_x , extent_y);
		m_g.drawImage(TMPscreenScr, 0, 0, this);
		//m_g.drawString("Now:" + nowonshow, 10, 20);
		paint(g);
	}
	public void paint(Graphics g)
	{
		
if (screenScr != null)
{
g.drawImage(screenScr, 0, 0, this);
}
	}
	public void start()
	{
		if (m_FloodPicz == null)
		{
			m_FloodPicz = new Thread(this);
			m_FloodPicz.start();
		}
	}
	
	public void stop()
	{
		if (m_FloodPicz != null)
		{
			m_FloodPicz.stop();
			m_FloodPicz = null;
		}
	}
	public void run()
	{
		while (true)
		{
			try
			{
				if (!asodreadisegna)
				{
					asodreadisegna = true;
					DrawSine();
					if (!asodreadisegna)
					{
						repaint();
						Thread.sleep(50);
					}
					else
					{
						Thread.sleep(9000);
					}
				}
				else
				{
					Thread.sleep(9000);
				}
			}
			catch (InterruptedException e)
			{
				stop();
			}
		}
	}
	private void DrawSine()
	{
		int punto = nowonshow * extent_x;
		asodreadisegna = true;
		for(int loopy = nowonshow; loopy <= extent_y-1 ; loopy++)
		{
			for(int loopx = 0; loopx <= extent_x-1; loopx++)	
			{
				screenPixel[punto++] = memimagepix [loopx + nowonshow * extent_x];
			}
		}
		asodreadisegna = false;
		nowonshow++;
		if (nowonshow > extent_y -1 )
		{
			nowonshow = 0;
			piccyonshow++;
			if ( piccyonshow > pic_num - 1)
			{
				 piccyonshow = 0;
			}
			loadPix (piccyonshow);
		}
	}
	private void loadPix(int picnum)
	{
		asodreadisegna = true;
		PixelGrabber grabber = new PixelGrabber( globalimagedata[picnum], 
												 0, 
												 0, 
												 extent_x, 
												 extent_y, 
												 screenPixel, 
												 0, 
												 extent_x);
		boolean done = false;
		do
		{
			try 
			{ 
				done = grabber.grabPixels( 500 ); 
			} 
			catch ( InterruptedException e ) {}
		}
		while( !done );
		grabber = new PixelGrabber( globalimagedata[picnum], 
									0, 
									0, 
									extent_x, 
									extent_y, 
									memimagepix, 
									0, 
									extent_x);
		done = false;
		do
		{
			try 
			{ 
				done = grabber.grabPixels( 500 ); 
			} 
			catch ( InterruptedException e ) {}
		}
		while( !done );
		
		asodreadisegna = false;
	}
}