Component.java 文件源码

/**
 * Creates an image from the specified producer.
 *
 * @param producer the image procedure to create the image from
 * @return the resulting image
 */
public Image createImage(ImageProducer producer)
{
  // Only heavyweight peers can handle this.
  ComponentPeer p = peer;
  Component comp = this;
  while (p instanceof LightweightPeer)
    {
      comp = comp.parent;
      p = comp == null ? null : comp.peer;
    }

  // Sun allows producer to be null.
  Image im;
  if (p != null)
    im = p.createImage(producer);
  else
    im = getToolkit().createImage(producer);
  return im;
}