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| /*
* To change this template, choose Tools | Templates
* and open the template in the editor.
*/
package graphics;
import java.awt.Color;
import java.awt.Dimension;
import java.awt.Graphics;
import java.awt.Graphics2D;
import java.awt.geom.Point2D;
import java.util.Random;
import javax.swing.JPanel;
import java.awt.event.* ;
public class Panneau extends javax.swing.JPanel implements MouseListener {
public Panneau () {
this.setSize(500, 500);
this.setBackground(Color.white);
this.addMouseListener(new MouseAdapter() {
public Graphics s ;
Graphics2D g2dd = (Graphics2D) s;
@Override
public void mousePressed(MouseEvent ev) {
int xx = ev.getX() ;
int yy= ev.getY() ;
System.out.println ("clic au point de coordonnees " + xx + ", " + yy ) ;
repaint();
}
});
}
public void paintComponent(Graphics g) {
super.paintComponent(g);
final Graphics2D g2d = (Graphics2D) g;
g2d.setColor(Color.red);
Dimension size = getSize();
int w = size.width ;
System.out.append(" width"+w);
int h = size.height;
System.out.append(" height"+h);
for (int angle = 1; angle <= 100; angle++) {
Random r = new Random();
// int x = Math.abs(r.nextInt()) % w;
//int y = Math.abs(r.nextInt()) % h;
int x= 202 + (int)(Math.cos(angle)*150);
int y= 202+(int)(Math.sin(angle)*150);
if( y< size.width/2 ){
g2d.setColor(Color.red);
g2d.fillRect(x, y, 5, 5);
// repaint();
}
else{
g2d.setColor(Color.black);
g2d.fillRect(x, y, 5, 5);
// repaint();
}
}
for (int i = 1; i <= 5; i++) {
Random r = new Random();
int x = Math.abs(r.nextInt()) % w;
int y = Math.abs(r.nextInt()) % h;
if( y< size.width/2 ){
g2d.setColor(Color.red);
g2d.fillRect(x, y, 5, 5);
// repaint();
}
else{
g2d.setColor(Color.black);
g2d.fillRect(x, y, 5, 5);
//repaint();
}
}
}
public void TraceurForme(Graphics g){
}
/**
* This method is called from within the constructor to initialize the form.
* WARNING: Do NOT modify this code. The content of this method is always
* regenerated by the Form Editor.
*/
@SuppressWarnings("unchecked")
// <editor-fold defaultstate="collapsed" desc="Generated Code">
private void initComponents() {
javax.swing.GroupLayout layout = new javax.swing.GroupLayout(this);
this.setLayout(layout);
layout.setHorizontalGroup(
layout.createParallelGroup(javax.swing.GroupLayout.Alignment.LEADING)
.addGap(0, 400, Short.MAX_VALUE)
);
layout.setVerticalGroup(
layout.createParallelGroup(javax.swing.GroupLayout.Alignment.LEADING)
.addGap(0, 300, Short.MAX_VALUE)
);
}// </editor-fold>
// Variables declaration - do not modify
// End of variables declaration
@Override
public void mouseClicked(MouseEvent e) {
throw new UnsupportedOperationException("Not supported yet.");
}
@Override
public void mousePressed(MouseEvent e) {
throw new UnsupportedOperationException("Not supported yet.");
}
@Override
public void mouseReleased(MouseEvent e) {
throw new UnsupportedOperationException("Not supported yet.");
}
@Override
public void mouseEntered(MouseEvent e) {
throw new UnsupportedOperationException("Not supported yet.");
}
@Override
public void mouseExited(MouseEvent e) {
throw new UnsupportedOperationException("Not supported yet.");
}
} |
Dessiner un point avec drawline
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à ce sujet quand je vois :
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