import javax.swing.JPanel;
import java.awt.Dimension;
import java.awt.Image;
import java.awt.Graphics;
import java.awt.Color;
import javax.imageio.ImageIO;
import java.io.File;
import java.io.IOException;

public class ArdoiseMonde extends JPanel { 
    private boolean faireMonde = false;
    private boolean entourer = false;
    static final int PETIT = 10;
    static final int MOYEN = 20;
    static final int GRAND = 40;
    private int rayon = PETIT;
    private Image image;
    
    public ArdoiseMonde() {
	try {
	    image = ImageIO.read(new File("../images/world.gif"));
	}
	catch(IOException exc) {
	    exc.printStackTrace();
	}
	setPreferredSize(new Dimension(100, 100));
    }
    
    public void setRayon(int rayon) {
	this.rayon = rayon;
    } 

    public void inverserEntourer() {
	entourer = !entourer;
    }

    public void inverserFaireMonde() {
	faireMonde = !faireMonde;
    }
    
    public Image getImage() {
	return image;
    }

    public  void paintComponent(Graphics g) {
	super.paintComponent(g);
	if (faireMonde)
	    g.drawImage(image, getWidth()/2 - rayon, 
			getHeight()/2 - rayon, 2 * rayon, 2 * rayon, this);
	else {
	    g.setColor(Color.red);
	    g.fillOval(getWidth()/2 - rayon, 
		       getHeight()/2 - rayon, 2*rayon, 2*rayon);
	}
	if (entourer) {
	    int i;
	    int largeur, hauteur;
	    
	    largeur = getWidth();
	    hauteur = getHeight();
	    g.setColor(Color.BLUE);
	    for(i = 0; i < 10; i++)
		g.drawOval(largeur/2 - rayon - i, 
			   hauteur/2 - rayon - i , 
			   2*rayon + 2 * i, 2 * rayon + 2 * i);
	}
    }
}