JPANEL TEXTE DÉFILANT : MARQEE EN JAVA

import java.awt.AlphaComposite;
import java.awt.BasicStroke;
import java.awt.BorderLayout;
import java.awt.Color;
import java.awt.Component;
import java.awt.Font;
import java.awt.Graphics;
import java.awt.Graphics2D;
import java.awt.Image;

import javax.swing.JComponent;
import javax.swing.JFrame;
import javax.swing.JPanel;

	/**
	 * 
	 * @author NOURI
	 *
	 */
public class NPbrogressComponent extends JPanel{

	private RenderingThread renderingThread = new RenderingThread();
	private Component parent;
	private Color backGround = Color.black;
	private Color forgeGround = Color.red;
	private Graphics2D g2d;
	private Image image; 
	boolean intro;
	int x = 0;
	private int height=45;
	private int width;
	private float composite;




	String msg1 = "NOURI";
	String msg2 =  "MARWEN";

	/**
	 * 
	 */
	public NPbrogressComponent(JComponent parent){
		this.setBackground(backGround);
		this.parent= this.getParent();
		this.setOpaque(false);
		//		if(parent!=null){
		//			this.parent = parent;
		//			System.out.println("zzzzzzzzzzzzzzz");
		//			height = parent.getHeight();
		//			width = parent.getWidth();
		//		}


	}


	public void start(){
		renderingThread.start();
	}

	public void stop(){
		renderingThread.stop();

	}


	/**
	 * utilisation de paint plutôt que paintComponet
         * effet transparence oblige
	 */
	public void paint( Graphics g ){

		int h = height+6;
		width  = getWidth();

		g2d = (Graphics2D) g;
		//g2d.setColor(backGround);

		if(!intro){
			g2d.setComposite(AlphaComposite.getInstance(AlphaComposite.SRC_OVER, composite ));
			composite+=.1f;

			//g2d.fillRect( 0, 0, width, height);
			g2d.clearRect( 0, 0, width, height);
			g2d.setColor(forgeGround);
			g2d.setStroke(new BasicStroke( 2.0f ));
			g2d.drawLine(0 ,h/2+5, width, h/2+5);
			g2d.setFont(new Font("Arial",1,16));
			g2d.drawString( "    NOURI 2008", x, h/2 );
			try {
				Thread.sleep(160);
			} catch (InterruptedException e) {
			}
			if(composite>.9f){
				intro=!intro;
				//g2d.clearRect(0, 0, width, height);
			}
		}else{
			//g2d.fillRect( 0, 0, width, height);
			g2d.clearRect( 0, 0, width, height);
			g2d.setColor(forgeGround);

			//g2d.drawString( "NOURIStyle", x, h/2 );
			//g2d.setStroke(new BasicStroke( 9.0f ));	
			g2d.setFont(new Font("Arial",1,14));

			g2d.drawString( msg1, x, h/2 );

			//
			if(x>(width/2)-10){
				//g2d.setComposite(AlphaComposite.getInstance(AlphaComposite.SRC_OVER, 0.8f ));
				if(x%2 == 0){
					h-=2;
				}else{
					h+=2;
				}
			}
			//System.out.println(height);
			g2d.setComposite(AlphaComposite.getInstance(AlphaComposite.SRC_OVER, 0.7f ));
			g2d.drawString(msg2, (width)-x, h/2 );

			x++;
			if(x>width){
				x = 0;
				String tmp = msg2;
				msg2=msg1;
				msg1=tmp;
			}
		}
		//g.drawImage(image, 0, 0, this);
		//g.drawImage(image2, (width), 0, this);
	}

	/**
	 * 
	 * @param compotent
	 */
	public void setParent(Component compotent){
		this.parent= compotent;

	}


	class RenderingThread extends Thread {
		/**
		 * 
		 */
		public void run(){
			while(true){
				try {
					repaint(); 
					sleep(15);
				} catch ( Exception e ) {} 
			}
		}
	}   



	public static void main(String[] args){

		JFrame f= new JFrame();
		f.setLocationRelativeTo(null);
		JPanel n = new JPanel(new BorderLayout());
		NPbrogressComponent d =new NPbrogressComponent(n);
		n.add(d);

		f.add(n);
		d.start();
		f.setVisible(true);
		f.setSize(400, 444);

		//f.pack();
		f.setDefaultCloseOperation(JFrame.EXIT_ON_CLOSE);

	}
}