EURO 30.1.2014

Šťastná SE7MIČKA

P O S T U P

nový projekt Tvar.java
pridať JFrameForm JTvar.java

Tvar.java:

package xyz;

import java.awt.Color;
import java.awt.Graphics;
import javax.swing.JComponent;

public class Tvar extends JComponent{

public Tvar(){

setBounds(100, 100, 150, 150);

}
@Override
public void paintComponent(Graphics g) {
super.paintComponent(g);
g.setColor(Color.blue);
g.fillOval(0, 0, 100, 100);
}
}

————————————————

JTvar.java:

package xyz;

public class JTvar extends javax.swing.JFrame {

Tvar tvar;

public Tvar() {
initComponents();
this.add(tvar = new Tvar());

}

AUTOMATICKY GENEROVANÉ

java.awt.EventQueue.invokeLater(new Runnable() {
public void run() {
new JTvar().setVisible(true);
}
});
}

—————————————————————-

TROJUHOLNIK/SIPKA

int xPoints[] = new int[3];
int yPoints[] = new int[3];

xPoints[0] = 50;
xPoints[1] = 100;
xPoints[2] = 150;

yPoints[0] = 100;
yPoints[1] = 50;
yPoints[2] = 100;
g.fillPolygon(xPoints, yPoints, 3);

——————————————————————–

public class JTvar extends javax.swing.JFrame implements MouseListener, MouseMotionListener

- implement all abstract methods
————————————————————————————————–