Java GraphicsConfiguration .createCompatibleVolatileImage (int width, int height)

public VolatileImage createCompatibleVolatileImage(int width,      int height)

import java.awt.GraphicsConfiguration;
import java.awt.GraphicsDevice;
import java.awt.GraphicsEnvironment;
import java.awt.HeadlessException;
import java.awt.Image;
import java.awt.image.BufferedImage;
import java.awt.image.VolatileImage;
/* w  w  w  .  j  a  va 2  s  .co  m*/
import javax.swing.ImageIcon;

public class Main {
    public static BufferedImage toBufferedImage(Image image) {
        if (image instanceof BufferedImage) {
            return (BufferedImage)image;
        }
    
        // This code ensures that all the pixels in the image are loaded
        image = new ImageIcon(image).getImage();
        // Create a buffered image with a format that's compatible with the screen
        BufferedImage bimage = null;
        GraphicsEnvironment ge = GraphicsEnvironment.getLocalGraphicsEnvironment();
        try {
            GraphicsDevice gs = ge.getDefaultScreenDevice();
            GraphicsConfiguration gc = gs.getDefaultConfiguration();
            VolatileImage vbimage = gc.createCompatibleVolatileImage(200,200);
        } catch (HeadlessException e) {
            // The system does not have a screen
        }   
        return bimage;
    }
}