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2: 02/20 10:57 ID:5A
import java.awt.*;
import javax.swing.*;
import javax.swing.event.*;
public class Jisshu3_04 extends JFrame implements ChangeListener{
JSlider rs,gs,bs;
JPanel p;
public static void main(String args[]){
Jisshu3_04 j = new Jisshu3_04();
j.setVisible(true);
}
public Jisshu3_04(){
setBackground(Color.white);
p = new JPanel();
JLabel rl,gl,bl;
rl = new JLabel("赤");
gl = new JLabel("緑");
bl = new JLabel("青");
rs = new JSlider(0,255,255);
gs = new JSlider(0,255,255);
bs = new JSlider(0,255,255);
rs.addChangeListener(this);
gs.addChangeListener(this);
bs.addChangeListener(this);
p.add(rl);p.add(rs);
p.add(gl);p.add(gs);
p.add(bl);p.add(bs);
this.getContentPane().add(p,"Center");
setSize(240,200);
}
public void stateChanged(ChangeEvent e){
int r,g,b;
r = rs.getValue();
g = gs.getValue();
b = bs.getValue();
p.setBackground(new Color(r,g,b));
}
}
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