Java图片插入文字或者图片，添加水印-蒲公英云

Java图片插入文字或者图片，添加水印

水深无声 2023-07-20 10:43 73阅读 0赞

代码

public class WaterMarkUtils { 
    public static void main(String[] args) throws IOException { 
        //作者qq1023732997
        Font font = new Font("04b_08", Font.PLAIN, 30);//字体
        String sourceImg = "D:\\云上\\666.png"; //源图片地址
        String targetImg = "D:\\云上\\666.png"; //新存储的地址
        String sourceImgs = "D:\\云上\\sy.png"; //水印图
        String watermark = "甲骨文对方会觉得舒服大损福的私服付多少你付";//水印内容
        Color color = new Color(43, 43, 43);
        //添加文字
        addWatermark(sourceImg, targetImg, watermark, color, font);
        //为图片添加图片水印
        markImgMark(sourceImg, sourceImgs, targetImg);
        }
    /** * 为图片添加图片水印 * * @param watermarkUrl 原图 * @param source 水印图片 * @param output 制作完成的图片 * @return * @throws IOException */
    public static String markImgMark(String watermarkUrl, String source, String output) throws IOException { 
        String result = "添加图片水印出错";
        File file = new File(source);
        Image img = ImageIO.read(file);
        int width = img.getWidth(null);//水印宽度
        int height = img.getHeight(null);//水印高
        BufferedImage bi = new BufferedImage(width, height, BufferedImage.TYPE_INT_RGB);
        Graphics2D g = bi.createGraphics();
        g.setRenderingHint(RenderingHints.KEY_INTERPOLATION, RenderingHints.VALUE_INTERPOLATION_BILINEAR);
        g.drawImage(img.getScaledInstance(width, height, Image.SCALE_SMOOTH), 0, 0, null);
        ImageIcon imgIcon = new ImageIcon(watermarkUrl);
        Image con = imgIcon.getImage();
        float clarity = 0.6f;//透明度
        g.setComposite(AlphaComposite.getInstance(AlphaComposite.SRC_ATOP, clarity));
        g.drawImage(con, 10, 10, null);//水印的位置
        g.setComposite(AlphaComposite.getInstance(AlphaComposite.SRC_OVER));
        g.dispose();
        File sf = new File(output);
        ImageIO.write(bi, "jpg", sf); // 保存图片
        System.out.println("添加图片水印成功");
        return result;
    }
    /** * 设置文字水印 * * @param sourceImg 源图片路径 * @param targetImg 保存的图片路径 * @param watermark 水印内容 * @param color 水印颜色 * @param font 水印字体 * @throws IOException */
    public static void addWatermark(String sourceImg, String targetImg, String watermark, Color color, Font font) throws IOException { 
        File srcImgFile = new File(sourceImg);
        Image srcImg = ImageIO.read(srcImgFile);
        int srcImgWidth = srcImg.getWidth(null);
        int srcImgHeight = srcImg.getHeight(null);
        BufferedImage bufImg = new BufferedImage(srcImgWidth, srcImgHeight, BufferedImage.TYPE_INT_RGB);
        Graphics2D g = bufImg.createGraphics();
        g.drawImage(srcImg, 0, 0, srcImgWidth, srcImgHeight, null);
        g.setColor(color);
        g.setFont(font);
        //设置水印的坐标
        int x = srcImgWidth - (g.getFontMetrics(g.getFont()).charsWidth(watermark.toCharArray(), 0, watermark.length()) + 200);
        int y = srcImgHeight - 600;
        g.drawString(watermark, x, y);  //加水印
        g.dispose();
        // 输出图片
        FileOutputStream outImgStream = new FileOutputStream(targetImg);
        ImageIO.write(bufImg, "jpg", outImgStream);
        System.out.println("添加水印完成");
        outImgStream.flush();
        outImgStream.close();
    }
    }