Re: newbie:this program gives error on compiling

Boris wrote:


This SSCCE compiles and runs, but..
<sscce>
import java.awt.*;
import java.awt.Graphics2D;
import java.awt.geom.Ellipse2D;
import javax.swing.*;

public class OvalButton extends JButton {

  public OvalButton(String text){
    super(text);
    setOpaque(false);
  }

  public Shape getShape(){
    return new Ellipse2D.Float(
      0f,
      0f,
      (float)(getWidth()/2),
      (float)(getHeight()));
  }

  public void paint(Graphics g){
    Graphics2D g2=(Graphics2D) g;
    g2.setClip(getShape());
    super.paint(g2);
  }

  public boolean contains(int x,int y){
    return getShape().contains(x,y);
  }

  public static void main(String[] args) {
    JOptionPane.showMessageDialog(
      null,
      new OvalButton("Hi!"));
  }
}
<sscce>


..it is the least of the problems with this code, this
approach, and the wasted screen acreage of 'oval
shaped' buttons in general.

--
Andrew Thompson
http://www.physci.org/

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