java实现在图片上绘制文本，生成新的图片

分手后的思念是犯贱 2024-03-25 22:41 64阅读 0赞

##### 开发环境： #####

> IDEA，JDK1.8，SpringBoot

##### 具体源码： #####

package com.xxx.xxxx;
    
    import org.junit.jupiter.api.Test;
    import org.springframework.boot.test.context.SpringBootTest;
    import javax.imageio.ImageIO;
    import java.awt.*;
    import java.awt.image.BufferedImage;
    import java.io.File;
    import java.io.IOException;
    
    /**
     * @author kyrielx
     * @since 2023/3/21
     */
    @SpringBootTest
    public class Graphics2DTest {
        
    
        /**
         * 在一张照片上绘制文本信息，然后生成一张新的照片
         */
        @Test
        public void test1() throws IOException {
        
            // 1. 读取本地照片
            File file = new File("C:\\Users\\11988\\Pictures\\tdpic.png");
            Image srcImg = ImageIO.read(file);
            int srcImgWidth = srcImg.getWidth(null);
            int srcImgHeight = srcImg.getHeight(null);
            BufferedImage bufImg = new BufferedImage(srcImgWidth, srcImgHeight, BufferedImage.TYPE_INT_RGB);
            Graphics2D g = bufImg.createGraphics();
            // 2. 绘制
            g.drawImage(srcImg, 0, 0, srcImgWidth, srcImgHeight, null);
            g.setColor(Color.RED);
            Font font = new Font("楷体", Font.BOLD, 32);
            g.setFont(font);
            int x = srcImgWidth/2 - 32;
            int y = srcImgHeight/2;
            g.drawString("小明", x, y);
            g.dispose();
            // 3. 生成新照片
            ImageIO.write(bufImg, "png", new File("C:\\Users\\11988\\Pictures\\", "tdpic-new.png"));
        }
    }

##### 运行完成，生成新照片： #####

![在这里插入图片描述][0321d000bf574f32bcc6ddeb2840b3a5.png]

##### 参考链接 #####

https://www.manongdao.com/article-2044004.html

[0321d000bf574f32bcc6ddeb2840b3a5.png]: https://image.dandelioncloud.cn/pgy_files/images/2024/03/25/ea84853b37eb4d5ba65f34fd028ec7ac.png