// To create a buffered image, see e666 創建緩沖圖像
    
    // Flip the image vertically
    AffineTransform tx = AffineTransform.getScaleInstance(1, -1);
    tx.translate(0, -image.getHeight(null));
    AffineTransformOp op = new AffineTransformOp(tx, AffineTransformOp.TYPE_NEAREST_NEIGHBOR);
    bufferedImage
 
 = op.filter(bufferedImage, null);
    
    // Flip the image horizontally
    tx = AffineTransform.getScaleInstance(-1, 1);
    tx.translate(-image.getWidth(null), 0);
    op = new AffineTransformOp(tx, AffineTransformOp.TYPE_NEAREST_NEIGHBOR);
    bufferedImage = op.filter(bufferedImage, null);
    
    // Flip the image vertically and horizontally;
    // equivalent to rotating the image 180 degrees
    tx = AffineTransform.getScaleInstance(-1, -1);
    tx.translate(-image.getWidth(null), -image.getHeight(null));
    op = new AffineTransformOp(tx, AffineTransformOp.TYPE_NEAREST_NEIGHBOR);
    bufferedImage
 
 = op.filter(bufferedImage, null);

e675. 翻轉緩沖圖像