头像生成器代码如下:文章来源地址https://www.toymoban.com/news/detail-644862.html
package com.hua.util;
import org.apache.commons.lang3.StringUtils;
import javax.imageio.ImageIO;
import java.awt.*;
import java.awt.geom.RoundRectangle2D;
import java.awt.image.BufferedImage;
import java.io.File;
import java.io.IOException;
import java.util.Random;
import java.util.UUID;
/**
* @author: zhengzhonghua
* @date: 2023/3/16 13:23
* @description: 头像生成器
*/
public class HeadGeneration {
/**
* @author: zhengzhonghua
* @date: 2023/3/16 13:24
* @description: 头像生成
* @param name 用户名称
* @return 访问图片的路径 localhost:8082/img/
*/
public static String generateImg(String name) throws IOException {
int nameLen = name.length();
//定义最后在图片上显示的姓名
String nameWritten;
if (nameLen <= 2) {
nameWritten = name;
} else {
//如果用户姓名大于三位,截取后两位
nameWritten = StringUtils.right(name, 2);
}
String uuid = UUID.randomUUID().toString().replace("-","");
//文件名(路径+uuid+.jpg)
String fileName = Const.HEAD_IMAGE_URL + uuid+".jpg";
File file = new File(fileName);
//生成图片
BufferedImage bi = new BufferedImage(100, 100, BufferedImage.TYPE_INT_RGB);
Graphics2D g2 = (Graphics2D) bi.getGraphics();
g2.setRenderingHint(RenderingHints.KEY_TEXT_ANTIALIASING, RenderingHints.VALUE_TEXT_ANTIALIAS_ON);
g2.setBackground(getRandomColor());
g2.clearRect(0, 0, 100, 100);
g2.setPaint(Color.WHITE);
Font font = null;
// 两个字及以上
if (nameWritten.length() >= 2) {
font = new Font("微软雅黑", Font.PLAIN, 30);
g2.setFont(font);
g2.drawString(nameWritten, 20, 60);
}
// 一个字
if (nameWritten.length() == 1) {
// 中文
font = new Font("微软雅黑", Font.PLAIN, 50);
g2.setFont(font);
g2.drawString(nameWritten, 25, 70);
}
//图片做圆角处理
BufferedImage rounded = makeRoundedCorner(bi, Const.HEAD_IMAGE_Radius);
ImageIO.write(rounded, "png", file);
return Const.serverUrl+uuid+".jpg";
}
/**
* @author: zhengzhonghua
* @date: 2023/3/16 13:32
* @description: 生成随机颜色
*/
private static Color getRandomColor() {
String[] beautifulColors = new String[]{"2,168,250"};
int len = beautifulColors.length;
Random random = new Random();
String[] color = beautifulColors[random.nextInt(len)].split(",");
return new Color(Integer.parseInt(color[0]), Integer.parseInt(color[1]), Integer.parseInt(color[2]));
}
/**
* @author: zhengzhonghua
* @date: 2023/3/16 13:39
* @description: 图片做圆角处理
*/
public static BufferedImage makeRoundedCorner(BufferedImage image, int cornerRadius) {
int w = image.getWidth();
int h = image.getHeight();
BufferedImage output = new BufferedImage(w, h, BufferedImage.TYPE_INT_ARGB);
Graphics2D g2 = output.createGraphics();
g2.setComposite(AlphaComposite.Src);
g2.setRenderingHint(RenderingHints.KEY_ANTIALIASING, RenderingHints.VALUE_ANTIALIAS_ON);
g2.setColor(Color.WHITE);
g2.fill(new RoundRectangle2D.Float(0, 0, w, h, cornerRadius, cornerRadius));
g2.setComposite(AlphaComposite.SrcAtop);
g2.drawImage(image, 0, 0, null);
g2.dispose();
return output;
}
}
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