Java旋转ImageBuffer失败

与配合使用时

AffineTransform

private BufferedImage getImage(String name) {    BufferedImage image;    try {        image = ImageIO.read(new File(name));    } catch (IOException ioe) {        return errorImage;    }    int w = image.getWidth();    int h = image.getHeight();    int max = Math.max(w, h);    max = (int) Math.sqrt(2 * max * max);    BufferedImage square = new BufferedImage( max, max, BufferedImage.TYPE_INT_ARGB);    Graphics2D g2d = square.createGraphics();    g2d.setRenderingHint( RenderingHints.KEY_ANTIALIASING, RenderingHints.VALUE_ANTIALIAS_ON);    g2d.drawImage(image, (max - w) / 2, (max - h) / 2, null);    g2d.dispose();    return square;}