Peg.class

import java.awt.Color;
import java.awt.Dimension;
import java.awt.Graphics;
import java.beans.Transient;

import javax.swing.JComponent;


@SuppressWarnings("serial")
public class Peg extends JComponent
{
    Dimension prefSize;

    public Peg()
    {
        prefSize = new Dimension(50, 50);
    }

    @Override
    public void paintComponent(Graphics g)
    {
    super.paintComponent(g);
    g.setColor(Color.DARK_GRAY);
    g.fillRoundRect(0, 0, this.getWidth(), this.getHeight(), 15, 15);
        g.setColor(Color.DARK_GRAY.brighter());
        g.fillRoundRect(10, 10, this.getWidth()-15, this.getHeight()-15, 20, 20);
    }

    @Override
    public Dimension getPreferredSize()
    {
        return prefSize;
    }

    @Override
    public void setPreferredSize(Dimension preferredSize)
    {
        prefSize.setSize(preferredSize);
    }

    @Override
    @Transient
    public Dimension getMaximumSize()
    {
        return (new Dimension(200, 200));
    }

    @Override
    @Transient
    public Dimension getMinimumSize()
    {
        return (new Dimension(50, 50));
    }
}