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/*
* Created on 9 juil. 2004
*
* */
package essai;
import java.awt.Graphics;
import java.awt.Graphics2D;
import java.awt.Image;
import java.awt.Rectangle;
import java.awt.geom.AffineTransform;
import javax.swing.JFrame;
/**
* @author joffrey
*
*
*/
public class Essai extends JFrame implements Runnable {
private Graphics2D buffer;
private Image image;
private AffineTransform trans;
private int x,y,top;
private Thread t;
private Rectangle r;
public Essai()
{
top=x=y=0;
t = new Thread(this);
r = new Rectangle(10,10,50,50);
setSize(400,400);
setVisible(true);
t.start();
}
public void paint(Graphics g)
{
if(image == null)
{
image = createImage(getWidth(),getHeight());
buffer = (Graphics2D)image.getGraphics();
}
Graphics2D g2d = (Graphics2D)g;
trans = new AffineTransform();
trans.translate(x,y);
buffer.setTransform(trans);
buffer.drawRect(10,10,50,50);
g2d.drawImage(image,0,0,400,400,this);
x+=1;
y+=1;
}
public void run()
{
long tm = System.currentTimeMillis();
while(true)
{
repaint();
try{
tm+=30;
t.sleep(Math.max(0,tm-System.currentTimeMillis()));
}catch(Exception ex){}
}
}
public static void main(String[] args)
{
Essai e = new Essai();
} |
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