thumbnailator给图片添加水印

引入依赖

 <!-- https://mvnrepository.com/artifact/net.coobird/thumbnailator -->
        <dependency>
            <groupId>net.coobird</groupId>
            <artifactId>thumbnailator</artifactId>
            <version>0.4.8</version>
        </dependency>

package com.jixinwei.o2o.util;


        import net.coobird.thumbnailator.Thumbnails;
        import net.coobird.thumbnailator.geometry.Positions;

        import javax.imageio.ImageIO;
        import java.io.File;
        import java.io.IOException;

/**
 * 用于封装thumbnailator方法,处理图片
 */
public class ImageUtil {
    
    
    public static void main(String[] args) throws IOException {
    
    
//        获取水印路径
        String basePath = Thread.currentThread().getContextClassLoader().getResource("").getPath();
//        [加载图片，设置图片大小] [并添加水印(水印位置，水印图片的路径,透明度)压缩水印图片][图片导出路径]
        Thumbnails.of(new File("C:\\Users\\吉新伟\\Desktop\\testImages\\picture1.jpg"))
                .size(200,200).watermark(Positions.BOTTOM_RIGHT,
                ImageIO.read(new File(basePath+"/watermark.jpg")),0.25f).outputQuality(0.8f)
                .toFile("C:\\Users\\吉新伟\\Desktop\\testImages\\picture3.jpg");
    }
}