fillArc() and drawArc() seem not to match bounds

Below is a full, short code example. I purposely used angles of 90 and
180, which seemed like the simplest case.

There seems to be a one pixel discrepancy between the fill and the
drawn line that extends roughly through the lower right quadrant.

Image of the problem: http://www.bounceswoosh.org/misc/pie.png

Is there something I should be doing differently in order to get the
line to exactly match the edge of the fill?

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

import javax.swing.JFrame;
import javax.swing.JPanel;

public class SimpleArcTest extends JPanel
{
    protected int angles[] = {90, 90, 180};
    protected Color colors[] = {Color.BLUE, Color.MAGENTA, Color.DARK_GRAY};
    
    public static void main(String[] args)
    {
        JFrame frame = new JFrame();
        JPanel panel = new SimpleArcTest();
        panel.setBackground(Color.WHITE);
        
        panel.setPreferredSize(new Dimension(400,400));
        
        frame.getContentPane().add(panel);
        
        frame.pack();
        frame.setVisible(true);
    }
    
    protected void paintComponent(Graphics g)
    {
        super.paintComponent(g);
        
        int startAngle = 0;
        
        for (int i = 0; i < angles.length; i++)
        {
            g.setColor(colors[i]);
            g.fillArc(getX(), getY(), getWidth(), getHeight(),
                    startAngle, angles[i]);
            
            g.setColor(Color.BLACK);
            g.drawArc(getX(), getY(), getWidth(), getHeight(),
                    startAngle, angles[i]);
            
            startAngle += angles[i];
        }
    }
}

--
monique

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