参考网站

https://my.oschina.net/u/2426590/blog/3027726

java Graphics2D绘制文字并居中并解决服务器乱码问题

https://blog.csdn.net/w410589502/article/details/72898184

我自己的代码：


import java.awt.Color;
import java.awt.Font;
import java.awt.FontMetrics;
import java.awt.Graphics2D;
import java.awt.RenderingHints;
import java.awt.Transparency;
import java.awt.geom.Ellipse2D;
import java.awt.image.BufferedImage;
import java.io.ByteArrayOutputStream;
import java.io.File;
import java.io.IOException;
import java.net.URL;import javax.imageio.ImageIO;
import javax.imageio.stream.ImageOutputStream;import org.springframework.stereotype.Controller;
import org.springframework.web.bind.annotation.RequestMapping;import com.platform.annotation.IgnoreAuth;
import com.platform.utils.util.OssUtil;@Controller
@RequestMapping(value = "/api/img")
public class ImageUtil {static final String IMAGE_SUFFIX = ".png";/*** @param posterImgUrl*            海报* @param tempQrCodeImgUrl*            临时二维码* @param headImgUrl*            头像 nameText 昵称 cqText 二维码文字* @return 合成图片地址*/public static String drawImage(String posterImgUrl, String tempQrCodeImgUrl, String headImgUrl, String nameText,String cqText) throws IOException {int width = 620;int height = 1004;BufferedImage bgBufImage = new BufferedImage(width, height, BufferedImage.TYPE_INT_RGB);// RGB形式Graphics2D bgBufImageGraphics = bgBufImage.createGraphics();bgBufImageGraphics.setBackground(Color.WHITE);// 设置背景色bgBufImageGraphics.clearRect(0, 0, width, height);// 通过使用当前绘图表面的背景色进行填充来清除指定的矩形。// bgBufImageGraphics.setBackground(new Color(255,255,255));bgBufImageGraphics.setPaint(Color.black);// 设置画笔,设置Paint属性Font font = new Font("宋体", Font.PLAIN, 28);bgBufImageGraphics.setFont(font);// 抗锯齿bgBufImageGraphics.setRenderingHint(RenderingHints.KEY_ANTIALIASING, RenderingHints.VALUE_ANTIALIAS_ON);// 计算文字长度，计算居中的x点坐标FontMetrics fm = bgBufImageGraphics.getFontMetrics(font);int textWidth = fm.stringWidth(nameText);// int widthX = (width - textWidth) / 2;int widthX = 128;// 表示这段文字在图片上的位置(x,y) .第一个是你设置的内容。bgBufImageGraphics.drawString(nameText, widthX, 926);// 计算文字长度，计算居中的x点坐标// int widthX = (width - textWidth) / 2;int cqCodeWidthX = 372;// 表示这段文字在图片上的位置(x,y) .第一个是你设置的内容。bgBufImageGraphics.drawString(cqText, cqCodeWidthX, 958);// BufferedImage posterBufImage = ImageIO.read(new URL(posterImgUrl));// //直接使用图片做背景，自定义背景使用上面方式// Graphics2D posterBufImageGraphics = posterBufImage.createGraphics();BufferedImage posterBufImage = ImageIO.read(new URL(posterImgUrl));BufferedImage qrCodeImage = ImageIO.read(new URL(tempQrCodeImgUrl));BufferedImage headImage = ImageIO.read(new URL(headImgUrl));// 设置圆形头像BufferedImage roundHeadImg = new BufferedImage(headImage.getWidth(), headImage.getHeight(),BufferedImage.TYPE_INT_RGB);Graphics2D roundHeadGraphics = roundHeadImg.createGraphics();Ellipse2D.Double shape = new Ellipse2D.Double(0, 0, roundHeadImg.getWidth(), roundHeadImg.getHeight());roundHeadGraphics.setRenderingHint(RenderingHints.KEY_ANTIALIASING, RenderingHints.VALUE_ANTIALIAS_ON);roundHeadImg = roundHeadGraphics.getDeviceConfiguration().createCompatibleImage(headImage.getWidth(),headImage.getHeight(), Transparency.TRANSLUCENT);roundHeadGraphics = roundHeadImg.createGraphics();// 使用 setRenderingHint 设置抗锯齿roundHeadGraphics.setRenderingHint(RenderingHints.KEY_ANTIALIASING, RenderingHints.VALUE_ANTIALIAS_ON);roundHeadGraphics.setClip(shape);roundHeadGraphics.drawImage(headImage, 0, 0, null);roundHeadGraphics.dispose();// bgBufImageGraphics.drawImage(qrCodeImage, (posterBufImage.getWidth()// - qrCodeImage.getWidth()), 10, qrCodeImage.getWidth(),// qrCodeImage.getHeight(), null);// posterBufImageGraphics.drawImage(roundHeadImg, 50, 100,// HEAD_URL_WIDTH, HEAD_URL_HEIGHT, null);bgBufImageGraphics.drawImage(qrCodeImage, 444, 848, 72, 72, null);bgBufImageGraphics.drawImage(roundHeadImg, 32, 876, 80, 80, null);bgBufImageGraphics.drawImage(posterBufImage, 0, 0, 620, 826, null);bgBufImageGraphics.dispose();ByteArrayOutputStream bs = new ByteArrayOutputStream();ImageOutputStream imgOut = ImageIO.createImageOutputStream(bs);ImageIO.write(bgBufImage, "png", imgOut);// 上传到服务器上// InputStream inSteam = new ByteArrayInputStream(bs.toByteArray());// String url = OSSFactory.build().uploadSuffix(inSteam, IMAGE_SUFFIX);// 上传到服务器上String url = OssUtil.uploadObject2OSS(bs.toByteArray());return url;// 返回合成的图片地址url}public static void drawImage() throws IOException {// 海报图// String backgroundImageUrl =// "http://img1.juimg.com/171010/330841-1G01000050879.jpg";String backgroundImageUrl = "http://diaosaas-prod.oss-cn-shenzhen.aliyuncs.com/education/155547979572510070.jpg";// 二维码String qrCodeImageUrl = "https://timgsa.baidu.com/timg?image&quality=80&size=b9999_10000&sec=1553504957130&di=02fae20a5c0f885d52299b2b1d682c86&imgtype=0&src=http%3A%2F%2Fimg.atobo.com%2FProductImg%2FEWM%2FUWeb%2F3%2F2%2F1%2F3%2F061%2F3213061%2F1.gif";// 头像// String headUrl =// "http://pic.51yuansu.com/pic3/cover/00/63/25/589bdedf5475d_610.jpg";String headUrl = "http://thirdwx.qlogo.cn/mmopen/vi_32/ZW8dgKbUicrCdotRItMTpAaxibAwj6nVMJvQoGLyKbaRvah93dXWrENSoum20dKicnJqd2xh1U4NhmC41L7q2Gwqg/132";String nameText = "古月争取";String cqText = "扫一扫，为我加油！";int width = 310;int height = 502;BufferedImage bgBufImage = new BufferedImage(width, height, BufferedImage.TYPE_INT_RGB);// RGB形式Graphics2D bgBufImageGraphics = bgBufImage.createGraphics();bgBufImageGraphics.setBackground(Color.WHITE);// 设置背景色bgBufImageGraphics.clearRect(0, 0, width, height);// 通过使用当前绘图表面的背景色进行填充来清除指定的矩形。// bgBufImageGraphics.setBackground(new Color(255,255,255));bgBufImageGraphics.setPaint(Color.black);// 设置画笔,设置Paint属性Font font = new Font("宋体", Font.PLAIN, 14);bgBufImageGraphics.setFont(font);// 抗锯齿bgBufImageGraphics.setRenderingHint(RenderingHints.KEY_ANTIALIASING, RenderingHints.VALUE_ANTIALIAS_ON);// 计算文字长度，计算居中的x点坐标FontMetrics fm = bgBufImageGraphics.getFontMetrics(font);int textWidth = fm.stringWidth(nameText);// int widthX = (width - textWidth) / 2;int widthX = 64;// 表示这段文字在图片上的位置(x,y) .第一个是你设置的内容。bgBufImageGraphics.drawString(nameText, widthX, 463);// 计算文字长度，计算居中的x点坐标// int widthX = (width - textWidth) / 2;int cqCodeWidthX = 186;// 表示这段文字在图片上的位置(x,y) .第一个是你设置的内容。bgBufImageGraphics.drawString(cqText, cqCodeWidthX, 479);BufferedImage posterImage = ImageIO.read(new URL(backgroundImageUrl));BufferedImage qrCodeImage = ImageIO.read(new URL(qrCodeImageUrl));BufferedImage headImage = ImageIO.read(new URL(headUrl));// 设置圆形图片BufferedImage roundHeadImg = new BufferedImage(headImage.getWidth(), headImage.getHeight(),BufferedImage.TYPE_INT_RGB);Graphics2D roundHeadGraphics = roundHeadImg.createGraphics();Ellipse2D.Double shape = new Ellipse2D.Double(0, 0, roundHeadImg.getWidth(), roundHeadImg.getHeight());roundHeadGraphics.setRenderingHint(RenderingHints.KEY_ANTIALIASING, RenderingHints.VALUE_ANTIALIAS_ON);roundHeadImg = roundHeadGraphics.getDeviceConfiguration().createCompatibleImage(headImage.getWidth(),headImage.getHeight(), Transparency.TRANSLUCENT);roundHeadGraphics = roundHeadImg.createGraphics();// 使用 setRenderingHint 设置抗锯齿roundHeadGraphics.setRenderingHint(RenderingHints.KEY_ANTIALIASING, RenderingHints.VALUE_ANTIALIAS_ON);roundHeadGraphics.setClip(shape);roundHeadGraphics.drawImage(headImage, 0, 0, null);roundHeadGraphics.dispose();bgBufImageGraphics.drawImage(qrCodeImage, 444, 848, 72, 72, null);// bgBufImageGraphics.drawImage(qrCodeImage, (bgBufImage.getWidth() -// qrCodeImage.getWidth()), 10, qrCodeImage.getWidth(),// qrCodeImage.getHeight(), null);bgBufImageGraphics.drawImage(roundHeadImg, 32, 876, 80, 80, null);bgBufImageGraphics.drawImage(posterImage, 0, 0, 620, 826, null);bgBufImageGraphics.dispose();ImageIO.write(bgBufImage, "png", new File("E:\\demo1.png"));System.out.println("生成图片完成");}/*** 上传到网络* * @author LHB* @since JDK 1.8*//** public static void main(String[] args) throws IOException { //海报图 String* backgroundImageUrl =* "http://47.92.209.5:8080/upload/15460848171054280132559.jpg"; // String* backgroundImageUrl =* "http://img1.juimg.com/171010/330841-1G01000050879.jpg"; //二维码 // String* qrCodeImageUrl =* "https://timgsa.baidu.com/timg?image&quality=80&size=b9999_10000&sec=1553504957130&di=02fae20a5c0f885d52299b2b1d682c86&imgtype=0&src=http%3A%2F%2Fimg.atobo.com%2FProductImg%2FEWM%2FUWeb%2F3%2F2%2F1%2F3%2F061%2F3213061%2F1.gif";* String qrCodeImageUrl =* "https://mp.weixin.qq.com/cgi-bin/showqrcode?ticket=gQE18TwAAAAAAAAAAS5odHRwOi8vd2VpeGluLnFxLmNvbS9xLzAyNEhIcXBjNk1mZzExMDAwMDAwN0UAAgR-AMNcAwQAAAAA";* //头像 String headUrl =* "http://thirdwx.qlogo.cn/mmopen/vi_32/J8e7icsMJ9r122G4h349YdB3WewUyaICxuoqC0HsaHDOfuRibPiclcOP8mnfQ5FoZLA1Q9SCe9SH46H72U25rAG9A/132";* // String headUrl =* "http://pic.51yuansu.com/pic3/cover/00/63/25/589bdedf5475d_610.jpg";* * String nameText = "古月争取"; String cqText = "扫一扫，为我加油！"; String url =* ImageUtil.drawImage(backgroundImageUrl, qrCodeImageUrl,* headUrl,nameText,cqText); System.out.println("url={} "+url);* * * }*/// 上传到本地// public static void main(String[] args) throws IOException {// drawImage();//// }@IgnoreAuth@RequestMapping("/testIMG")public void test() throws IOException {// 海报图String backgroundImageUrl = "http://47.92.209.5:8080/upload/15460848171054280132559.jpg";// String backgroundImageUrl =// "http://img1.juimg.com/171010/330841-1G01000050879.jpg";// 二维码// String qrCodeImageUrl =// "https://timgsa.baidu.com/timg?image&quality=80&size=b9999_10000&sec=1553504957130&di=02fae20a5c0f885d52299b2b1d682c86&imgtype=0&src=http%3A%2F%2Fimg.atobo.com%2FProductImg%2FEWM%2FUWeb%2F3%2F2%2F1%2F3%2F061%2F3213061%2F1.gif";String qrCodeImageUrl = "https://mp.weixin.qq.com/cgi-bin/showqrcode?ticket=gQE18TwAAAAAAAAAAS5odHRwOi8vd2VpeGluLnFxLmNvbS9xLzAyNEhIcXBjNk1mZzExMDAwMDAwN0UAAgR-AMNcAwQAAAAA";// 头像String headUrl = "http://thirdwx.qlogo.cn/mmopen/vi_32/J8e7icsMJ9r122G4h349YdB3WewUyaICxuoqC0HsaHDOfuRibPiclcOP8mnfQ5FoZLA1Q9SCe9SH46H72U25rAG9A/132";// String headUrl =// "http://pic.51yuansu.com/pic3/cover/00/63/25/589bdedf5475d_610.jpg";String nameText = "古月争取";String cqText = "扫一扫，为我加油！";String url = ImageUtil.drawImage(backgroundImageUrl, qrCodeImageUrl, headUrl, nameText, cqText);System.out.println("url={} " + url);}
}

java合成海报的工具类(二维码、头像、海报)相关推荐

java生成二维码与海报合并组装在一起后产出Base64字符串
闲来无事给大家分享一个,java后端动态生成二维码,并与海报进行合并的工具类先上效果图: 这是我从网上随便找了海贼王的海报,并用百度的链接生成了一个二维码,合并而成,废话少说直接上代码: 动态生成二 ...
java利用core 工具实现二维码的生成与解析
java利用core 工具实现二维码的生成与解析简单介绍下二维码:二维码其实就是一种编码技术,只是这种编码技术是用在图片上了,将给定的一些文字,数字转换为一张经过特定编码的图片,而解析二维码则相反, ...
java生成二维码推广海报添加二维码文字水印二维码添加LOGO
前言场景: 一.推广海报贴上二维码,用户扫码跳转二.二维码中间贴logo eg:这里使用展示第一种场景一.使用工具 Google开源项目ZXing(二维条码编解码). ...
Java 线程 - 基础及工具类 (二)
Java 并发系列文章 Java 线程 - 并发理论基础(一) Java 线程 - 基础及工具类 (二) Java 线程 - 并发设计模式 (三) Java 线程(二) 通用的线程生命周期 Java ...
Java中如何实现QR（二维码）的生成
二维码在我们的日常生活中的使用现在可谓是如火如荼.二维码,即一种新生代的信息存储介质.最早被使用在汽车生产厂,用于跟踪售后的汽车. 同样,在互联网时代,二维码也被广泛使用,随着二维码的迅速发展,一些手 ...
thinkphp生成带二维码的海报
阿里云搞活动,想要抓紧买用thinkphp生成带二维码的海报功能. 准备:公众号二维码图片一张背景图片一张将二维码和背景图片合成的方法,可添加到common/common/function.ph ...
微信小程序——weapp-qrcode.js生成二维码、海报二维码、核销码
各位小伙伴们,不知道你们在开发的时候有没有遇到小程序生成二维码,生成海报时候带上二维码.核销码等等. 那么,小程序端该如何生成二维码图片呢? 效果如下: weapp-qrcode.js 小伙伴们可以来 ...
js 通过canvas生成带二维码的海报图
前言 h5移动端生成海报图,可长按图片保存或发送给朋友,或长按识别二维码.两种场景:第一种是生成项目分享海报图,通过背景图和地址生成的二维码合成一张海报图:第二种是通过页面生成商品海报图,页面有产品介 ...
uniapp微信小程序生成带个人二维码的海报
1:Sansnn-uQRCode 导入插件(生成二维码)(插件市场)(源码和结果如下) 2:弹窗展示海报内容 3:createCanvasImage绘制canvas海报 4:canvasToTempF ...

java合成海报的工具类(二维码、头像、海报)

参考网站

java Graphics2D绘制文字并居中并解决服务器乱码问题

我自己的代码：

java合成海报的工具类(二维码、头像、海报)相关推荐

最新文章

热门文章