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钉钉头像生成

时间:2019-06-11 11:27:16      阅读:1587      评论:0      收藏:0      [点我收藏+]

标签:compile   paint   截取   util   site   row   boolean   second   phi   

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.regex.Matcher;
import java.util.regex.Pattern;

import javax.imageio.ImageIO;
public class TouXiang {
/**
* @throws IOException
* @throws
**/
public static void main(String[] args) throws IOException {
String name = "小光";
generateImg(name, "C:/Users/888/Desktop/1", name);
}


/**
* 绘制字体头像
* 如果是英文名,只显示首字母大写
* 如果是中文名,只显示最后两个字
* @param name
* @param outputPath
* @param outputName
* @throws IOException
*/
public static void generateImg(String name, String outputPath, String outputName)
throws IOException {
int width = 100;
int height = 100;
int nameLen = name.length();
String nameWritten;
//如果用户输入的姓名少于等于2个字符,不用截取
if (nameLen <= 2) {
nameWritten = name;
} else {
//如果用户输入的姓名大于等于3个字符,截取后面两位
String first = name.substring(0, 1);
if (isChinese(first)) {
//截取倒数两位汉字
nameWritten = name.substring(nameLen - 2);
} else {
//截取前面的两个英文字母
nameWritten = name.substring(0, 2).toUpperCase();
}
}

String filename = outputPath + File.separator + outputName + ".jpg";
File file = new File(filename);
//Font font = new Font("微软雅黑", Font.PLAIN, 30);

BufferedImage bi = new BufferedImage(width, height, 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, width, height);

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);

String firstWritten = nameWritten.substring(0, 1);
String secondWritten = nameWritten.substring(1, 2);

//两个中文 如 言曌
if (isChinese(firstWritten) && isChinese(secondWritten)) {
g2.drawString(nameWritten, 20, 60);
}
//首中次英 如 罗Q
else if (isChinese(firstWritten) && !isChinese(secondWritten)) {
g2.drawString(nameWritten, 27, 60);

//首英,如 AB
} else {
nameWritten = nameWritten.substring(0,1);
}

}
//一个字
if(nameWritten.length() ==1) {
//中文
if(isChinese(nameWritten)) {
font = new Font("微软雅黑",Font.PLAIN, 50);
g2.setFont(font);
g2.drawString(nameWritten, 25, 70);
}
//英文
else {
font = new Font("微软雅黑", Font.PLAIN, 55);
g2.setFont(font);
g2.drawString(nameWritten.toUpperCase(), 33, 67);
}

}

BufferedImage rounded = makeRoundedCorner(bi, 99);
ImageIO.write(rounded, "png", file);
}


/**
* 判断字符串是否为中文
* @param str
* @return
*/
public static boolean isChinese(String str) {
String regEx = "[\\u4e00-\\u9fa5]+";
Pattern p = Pattern.compile(regEx);
Matcher m = p.matcher(str);
if (m.find())
return true;
else
return false;
}

/**
* 获得随机颜色
* @return
*/
private static Color getRandomColor() {
String[] beautifulColors =
new String[]{"50,150,250"};
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]));
}


/**
* 图片做圆角处理
* @param image
* @param cornerRadius
* @return
*/
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;
}
}

技术图片

钉钉头像生成

标签:compile   paint   截取   util   site   row   boolean   second   phi   

原文地址:https://www.cnblogs.com/xiaoguangit/p/11002056.html

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