java文字水印模糊_Java添加文字水印和图片水印

好的，我了解了您的问题。您可以使用Java的Graphics2D类来添加文字水印和图片水印。以下是一个简单的例子：

import java.awt.*;
import java.awt.image.BufferedImage;
import java.io.File;
import javax.imageio.ImageIO;

public class Watermark {

    public static void main(String[] args) {
        try {
            // 读取原始图片
            BufferedImage originalImage = ImageIO.read(new File("original.png"));

            // 创建带有透明度的图片
            BufferedImage watermarkedImage = new BufferedImage(originalImage.getWidth(), originalImage.getHeight(), BufferedImage.TYPE_INT_ARGB);

            // 获取 Graphics2D 对象
            Graphics2D g2d = (Graphics2D) watermarkedImage.getGraphics();

            // 在图片上绘制原始图片
            g2d.drawImage(originalImage, 0, 0, null);

            // 设置文字水印
            String text = "Watermark Text";
            Font font = new Font("Arial", Font.BOLD, 48);
            g2d.setFont(font);
            g2d.setColor(Color.WHITE);
            g2d.setComposite(AlphaComposite.getInstance(AlphaComposite.SRC_OVER, 0.5f));
            FontMetrics fontMetrics = g2d.getFontMetrics();
            Rectangle2D rect = fontMetrics.getStringBounds(text, g2d);
            g2d.drawString(text, (originalImage.getWidth() - (int) rect.getWidth()) / 2, originalImage.getHeight() / 2);

            // 设置图片水印
            BufferedImage watermarkImage = ImageIO.read(new File("watermark.png"));
            int x = originalImage.getWidth() - watermarkImage.getWidth() - 10;
            int y = originalImage.getHeight() - watermarkImage.getHeight() - 10;
            g2d.setComposite(AlphaComposite.getInstance(AlphaComposite.SRC_OVER, 0.5f));
            g2d.drawImage(watermarkImage, x, y, null);

            // 保存水印图片
            ImageIO.write(watermarkedImage, "png", new File("watermarked.png"));

            // 释放资源
            g2d.dispose();

            System.out.println("Watermark applied.");
        } catch (Exception ex) {
            System.out.println(ex.getMessage());
        }
    }
}

您可以根据您的需求调整文字和图片的位置、大小、透明度等参数以实现您想要的效果。希望能对您有所帮助！