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| import java.awt.*;
import java.awt.event.*;
import java.awt.image.BufferedImage;
import java.io.File;
import java.io.IOException;
import javax.imageio.ImageIO;
import javax.swing.*;
public class MainClass {
public static void main(String[] args) {
JFrame aWindow = new JFrame();
RecordPanel _canvas = new RecordPanel();
_canvas.setBounds(0,0,80,80);
aWindow.add(_canvas);
aWindow.setBounds(200, 200, 200, 200);
aWindow.setDefaultCloseOperation(JFrame.EXIT_ON_CLOSE);
aWindow.setTitle("Mon premier programme");
aWindow.setVisible(true);
}
}
class RecordPanel extends JPanel implements MouseListener, MouseMotionListener {
BufferedImage img1;
BufferedImage img2;
BufferedImage ImageBuffer;
public RecordPanel() {
try{
img1 = ImageIO.read(new File("strawberry[1].jpg"));
img2 = ImageIO.read(new File ("stylo.jpg"));
addMouseListener(this);
addMouseMotionListener(this);
}
catch (IOException e) {
}
}
public void mouseClicked(MouseEvent me) {
}
public void mouseEntered(MouseEvent me) {
if(ImageBuffer==null)
{
ImageBuffer=img1;
}
else
{
ImageBuffer=img2;
}
repaint();
}
public void mouseExited(MouseEvent me) {
ImageBuffer=img1;
repaint();
}
public void mousePressed(MouseEvent me) {
}
public void mouseReleased(MouseEvent me) {
}
public void mouseDragged(MouseEvent me) {
}
public void mouseMoved(MouseEvent me) {
}
public void paint(Graphics g) {
if(ImageBuffer==null){
ImageBuffer=img1;
}
g.drawImage(ImageBuffer,0,0,null);
}
} |