ImageUtils.java 文件源码

/**
    * Cretae a BufferedImage from an ImageProducer.
    * @param producer the ImageProducer
    * @return a new TYPE_INT_ARGB BufferedImage
    */
   public static BufferedImage createImage(ImageProducer producer) {
    PixelGrabber pg = new PixelGrabber(producer, 0, 0, -1, -1, null, 0, 0);
    try {
        pg.grabPixels();
    } catch (InterruptedException e) {
        throw new RuntimeException("Image fetch interrupted");
    }
    if ((pg.status() & ImageObserver.ABORT) != 0)
        throw new RuntimeException("Image fetch aborted");
    if ((pg.status() & ImageObserver.ERROR) != 0)
        throw new RuntimeException("Image fetch error");
    BufferedImage p = new BufferedImage(pg.getWidth(), pg.getHeight(), BufferedImage.TYPE_INT_ARGB);
    p.setRGB(0, 0, pg.getWidth(), pg.getHeight(), (int[])pg.getPixels(), 0, pg.getWidth());
    return p;
}