package io.renren.common.utils;import cn.hutool.core.lang.Console;
import io.renren.modules.oss.cloud.OSSFactory;import javax.imageio.ImageIO;
import javax.imageio.stream.ImageOutputStream;
import java.awt.*;
import java.awt.geom.Ellipse2D;
import java.awt.image.BufferedImage;
import java.io.*;
import java.net.URL;public class ImageUtil {static final String IMAGE_SUFFIX = ".png";static final int HEAD_URL_WIDTH = 100;static final int HEAD_URL_HEIGHT = 100;/*** @param posterImgUrl     海报* @param tempQrCodeImgUrl 临时二维码* @param headImgUrl       头像* @return 合成图片地址*/public static String drawImage(String posterImgUrl, String tempQrCodeImgUrl, String headImgUrl) throws IOException {BufferedImage posterBufImage = ImageIO.read(new URL(posterImgUrl));Graphics2D posterBufImageGraphics = posterBufImage.createGraphics();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();posterBufImageGraphics.drawImage(qrCodeImage, (posterBufImage.getWidth() - qrCodeImage.getWidth()), 10, qrCodeImage.getWidth(), qrCodeImage.getHeight(), null);posterBufImageGraphics.drawImage(roundHeadImg, 50, 100, HEAD_URL_WIDTH, HEAD_URL_HEIGHT, null);posterBufImageGraphics.dispose();ByteArrayOutputStream bs = new ByteArrayOutputStream();ImageOutputStream imgOut = ImageIO.createImageOutputStream(bs);ImageIO.write(posterBufImage, "png", imgOut);InputStream inSteam = new ByteArrayInputStream(bs.toByteArray());String url = OSSFactory.build().uploadSuffix(inSteam, IMAGE_SUFFIX);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";//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";BufferedImage bgBufImage = ImageIO.read(new URL(backgroundImageUrl));Graphics2D bgBufImageGraphics = bgBufImage.createGraphics();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, (bgBufImage.getWidth() - qrCodeImage.getWidth()), 10, qrCodeImage.getWidth(), qrCodeImage.getHeight(), null);bgBufImageGraphics.drawImage(roundHeadImg, 50, 100, HEAD_URL_WIDTH, HEAD_URL_HEIGHT, null);bgBufImageGraphics.dispose();ImageIO.write(bgBufImage, "png", new File("E:\\demo1.png"));Console.log("生成图片完成");}public static void main(String[] args) throws IOException {//海报图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";//头像String headUrl = "http://pic.51yuansu.com/pic3/cover/00/63/25/589bdedf5475d_610.jpg";String url = ImageUtil.drawImage(backgroundImageUrl, qrCodeImageUrl, headUrl);Console.log("url={}",url);}}