Creating and Drawing on a Buffered Image

 // Creating a BufferedImage with a component.
 bufferedImage = 
   (BufferedImage)component.createImage(w, h);
    
 // Creating a BufferedImage without a component.
 bufferedImage = new BufferedImage(
   w, h, BufferedImage.TYPE_INT_RGB);
    
 // Draw on the image.
 Graphics2D g2d = bufferedImage.createGraphics();
 drawGraphics(g2d);
 g2d.dispose();