给图片添加水印

@Slf4jpublic class ImageUtils {    @Test    public void test1() throws IOException {        //得到全部的图片文件        Path path = Paths.get("D:\\Files\\CDN\\file\\_resources");        if (!Files.exists(path)) {            throw new RuntimeException("目录或文件不存在！");        }        List collect = new ArrayList();        if (Files.isDirectory(path)) {            collect = Files.walk(path).filter(temp -> temp.getFileName().toString().endsWith(".png")).collect(Collectors.toList());        } else {            boolean b = path.getFileName().toString().endsWith(".png");            if (b) {                collect.add(path);            }        }        if (CollectionUtils.isEmpty(collect)) {            return;        }        for (Path temp : collect) {            changeImg(temp.toFile());        }    }    /**     * 加水印     *     * @param srcImgFile 本地图片地址     * @throws IOException     */    private void changeImg(File srcImgFile) throws IOException {        //将文件对象转化为图片对象        Image srcImg = ImageIO.read(srcImgFile);        //获取图片的宽        int srcImgWidth = srcImg.getWidth(null);        //获取图片的高        int srcImgHeight = srcImg.getHeight(null);//        System.out.println("图片的宽:" + srcImgWidth);//        System.out.println("图片的高:" + srcImgHeight);        BufferedImage bufImg = new BufferedImage(srcImgWidth, srcImgHeight, BufferedImage.TYPE_INT_RGB);        // 加水印        //创建画笔        Graphics2D g = bufImg.createGraphics();        //绘制原始图片        g.drawImage(srcImg, 0, 0, srcImgWidth, srcImgHeight, null);        //-------------------------文字水印 start----------------------------        //根据图片的背景设置水印颜色        g.setColor(new Color(158,160,161));        //设置字体  画笔字体样式为微软雅黑，加粗，文字大小为12pt        g.setFont(new Font("微软雅黑", Font.BOLD, 12));        //水印内容        String waterMarkContent = "https://www.cnblogs.com/lemonpuer";        //设置水印的坐标        int x = (srcImgWidth - getWatermarkLength(waterMarkContent, g)) - 5;        int y = srcImgHeight - 5;        //画出水印 第一个参数是水印内容，第二个参数是x轴坐标，第三个参数是y轴坐标        g.drawString(waterMarkContent, x, y);        g.dispose();        //-------------------------文字水印 end----------------------------        //待存储的地址//        String tarImgPath = "F:\\0a8de9fc675db86eab79aa36b7575374.png";        // 输出图片        FileOutputStream outImgStream = new FileOutputStream(srcImgFile);        ImageIO.write(bufImg, "png", outImgStream);        log.info("图片{}成功添加水印",srcImgFile.getName());        outImgStream.flush();        outImgStream.close();    }    /**     * 获取水印文字的长度     *     * @param waterMarkContent     * @param g     * @return     */    private int getWatermarkLength(String waterMarkContent, Graphics2D g) {        return g.getFontMetrics(g.getFont()).charsWidth(waterMarkContent.toCharArray(), 0, waterMarkContent.length());    }}