Java 图片设置圆角（设置边框，旁白）

/**
     * 图片设置圆角
     * @param srcImage
     * @param radius
     * @param border
     * @param padding
     * @return
     * @throws IOException
     */
    public static BufferedImage setRadius(BufferedImage srcImage, int radius, int border, int padding) throws IOException{
        int width = srcImage.getWidth();
        int height = srcImage.getHeight();
        int canvasWidth = width + padding * 2;
        int canvasHeight = height + padding * 2;

        BufferedImage image = new BufferedImage(canvasWidth, canvasHeight, BufferedImage.TYPE_INT_ARGB);
        Graphics2D gs = image.createGraphics();
        gs.setComposite(AlphaComposite.Src);
        gs.setRenderingHint(RenderingHints.KEY_ANTIALIASING, RenderingHints.VALUE_ANTIALIAS_ON);
        gs.setColor(Color.WHITE);
        gs.fill(new RoundRectangle2D.Float(0, 0, canvasWidth, canvasHeight, radius, radius));
        gs.setComposite(AlphaComposite.SrcAtop);
        gs.drawImage(setClip(srcImage, radius), padding, padding, null);
        if(border !=0){
            gs.setColor(Color.GRAY);
            gs.setStroke(new BasicStroke(border));
            gs.drawRoundRect(padding, padding, canvasWidth - 2 * padding, canvasHeight - 2 * padding, radius, radius);
        }
        gs.dispose();
        return image;
    }

    /**
     * 图片设置圆角
     * @param srcImage
     * @return
     * @throws IOException
     */
    public static BufferedImage setRadius(BufferedImage srcImage) throws IOException{
        int radius = (srcImage.getWidth() + srcImage.getHeight()) / 6;
        return setRadius(srcImage, radius, 2, 5);
    }

    /**
     * 图片切圆角
     * @param srcImage
     * @param radius
     * @return
     */
    public static BufferedImage setClip(BufferedImage srcImage, int radius){
        int width = srcImage.getWidth();
        int height = srcImage.getHeight();
        BufferedImage image = new BufferedImage(width, height, BufferedImage.TYPE_INT_ARGB);
        Graphics2D gs = image.createGraphics();

        gs.setRenderingHint(RenderingHints.KEY_ANTIALIASING, RenderingHints.VALUE_ANTIALIAS_ON);
        gs.setClip(new RoundRectangle2D.Double(0, 0, width, height, radius, radius));
        gs.drawImage(srcImage, 0, 0, null);
        gs.dispose();
        return image;
    }