java awt生成签名图片如何消除锯齿化

g2.drawImage(getImage("https://xx.jpg", 100, 50), WIDTH - (LEVEL_PADDING + 9 * contentFontSize + contentFontSize / 2) + 5, height - bottomLine - (contentFontSize + LINE_SPACING + 15) + 5,100, 50, null);

    private static BufferedImage getImage(String url) {
        if (Parameters.isEmpty(url)) return null;
        BufferedImage read = null;
        try {
            url = url.replaceFirst("https", "http");
            read = ImageIO.read(new URL(url));
            return read;
        } catch (IOException e) {
            e.printStackTrace();
        }
        return null;
    }

g2.drawImage(getImage("https://xx.jpg", 100, 50), WIDTH - (LEVEL_PADDING + 9 * contentFontSize + contentFontSize / 2) + 5, height - bottomLine - (contentFontSize + LINE_SPACING + 15) + 5, null); 

   /**
     * 抗锯齿处理
     *
     * @param url
     * @return
     */
    private static Image getImage(String url, int width, int height) {
        if (Parameters.isEmpty(url)) return null;
        BufferedImage read = null;
        try {
            url = url.replaceFirst("https", "http");
            read = ImageIO.read(new URL(url));
            return read.getScaledInstance(width, height, BufferedImage.SCALE_SMOOTH);
        } catch (IOException e) {
            e.printStackTrace();
        }
        return null;
    }