Java Drawing Multiple Shapes (2 of 2)

import java.awt.*;
import javax.swing.*;

@SuppressWarnings("serial")
public class FigurePanel extends JPanel
{
    // Declare constants
    public static final int LINE = 1;
    public static final int RECTANGLE = 2;
    public static final int ROUND_RECTANGLE = 3;
    public static final int OVAL = 4;

    private int type = 1;
    private boolean filled = false;

    // Construct a default FigurePanel
    public FigurePanel()
    {
    }

    // Construct a FigurePanel with the specified type
    public FigurePanel(int type)
    {
        this.type = type;
    }

    // Construct a FigurePanel with the specified type and filled
    public FigurePanel(int type, boolean filled)
    {
        this.type = type;
        this.filled = filled;
    }

    @Override // Draw a figure on the panel
    protected void paintComponent(Graphics g)
    {
        super.paintComponent(g);

        // Get the appropriate size for the figure
        int width = getWidth();
        int height = getHeight();

        switch(type)
        {
            case LINE: // Display two cross lines
            g.setColor(Color.black);
            g.drawLine(10, 10, width - 10, height - 10);
            g.drawLine(width - 10, 10, 10, height - 10);
            break;

            case RECTANGLE: // Display a rectangle
            g.setColor(Color.blue);
            if(filled)
                g.fillRect((int)(0.1 * width), (int)(0.1 * height), (int)(0.8 * width), (int)(0.8 * height));
            else
                g.drawRect((int)(0.1 * width), (int)(0.1 * height), (int)(0.8 * width), (int)(0.8 * height));
            break;

            case ROUND_RECTANGLE: // Display a round-cornered rectangle
            g.setColor(Color.red);
            if(filled)
                g.fillRoundRect((int)(0.1 * width), (int)(0.1 * height), (int)(0.8 * width), (int)(0.8 * height), 20, 20);
            else
                g.drawRoundRect((int)(0.1 * width), (int)(0.1 * height), (int)(0.8 * width), (int)(0.8 * height), 20, 20);
            break;

            case OVAL: // Display an oval
            g.setColor(Color.black);
            if(filled)
                g.fillOval((int)(0.1 * width), (int)(0.1 * height), (int)(0.8 * width), (int)(0.8 * height));
            else
                g.drawOval((int)(0.1 * width), (int)(0.1 * height), (int)(0.8 * width), (int)(0.8 * height));
            break;
        }
    }

    // Set a new figure type
    public void setType(int type)
    {
        this.type = type;
        repaint();
    }

    // Return figure type
    public int getType()
    {
        return type;
    }

    // Set a new filled property
    public void setFilled(boolean filled)
    {
        this.filled = filled;
        repaint();
    }

    // Check if the figure is filled
    public boolean isFilled()
    {
        return filled;
    }

    @Override // Specify preferred size
    public Dimension getPreferredSize()
    {
        return new Dimension(80, 80);
    }
}