add constants

pcloud-common-core/src/main/java/com/pcloud/common/core/constant/MQTopicProducer.java

@@ -45,4 +45,8 @@ public class MQTopicProducer {
 	 */
 	public static final String EXCHAGE = "rays.topic";
 
+    /**
+     * 更新图书封面图
+     */
+    public static final String UPDATE_BOOK_COVERIMG = "topic.updateBookCoverImg";
 }

pcloud-common/src/main/java/com/pcloud/common/utils/PictureUtil.java

+package com.pcloud.common.utils;/**
+ * Created by ${user} on ${date}
+ */
+
+import com.pcloud.common.entity.UploadResultInfo;
+import com.pcloud.common.enums.ImageTypeEnum;
+import com.pcloud.common.utils.aliyun.OssUtils;
+import org.slf4j.Logger;
+import org.slf4j.LoggerFactory;
+
+import javax.imageio.ImageIO;
+import java.awt.*;
+import java.awt.image.BufferedImage;
+import java.io.ByteArrayOutputStream;
+import java.io.File;
+import java.io.FileOutputStream;
+import java.io.OutputStream;
+import java.net.URL;
+
+/**
+ * @author TianChao
+ * @date 2018/10/13 15:02
+ */
+public class PictureUtil {
+
+    private static final Logger LOGGER = LoggerFactory.getLogger(PictureUtil.class);
+
+    private static Color defaultColor = new Color(252, 252, 252);
+    private static Color borderColor = new Color(221, 221, 221);
+
+    private static String playPic = "https://file.5rs.me/oss/uploadfe/png/800a688c0684efdcdf30053668ee7057.png";
+    private static String defaultBackgroundPic = "https://oss.5rs.me/oss/uploadfe/png/3003b8978e85052f96ababdf7d46f70a.png";
+
+
+    public static Color getImagePixel(String imgFile)  {
+        BufferedImage bi = null;
+        try {
+            if(imgFile.contains("http")){
+                bi = ImageIO.read(new URL(imgFile));
+            }else{
+                bi = ImageIO.read(new File(imgFile));
+            }
+        } catch (Exception e) {
+            e.printStackTrace();
+        }
+        int width = bi.getWidth();
+        int height = bi.getHeight();
+        int sum=width*height;
+        int minx = bi.getMinX();
+        int miny = bi.getMinY();
+        int R = 0;
+        int G = 0;
+        int B = 0;
+        for (int i = minx; i < width; i++) {
+            for (int j = miny; j < height; j++) {
+                int pixel = bi.getRGB(i, j);
+                R +=(pixel & 0xff0000) >> 16;
+                G +=(pixel & 0xff00) >> 8;
+                B +=(pixel & 0xff);
+            }
+        }
+        R = R/sum;
+        G = G/sum;
+        B = B/sum;
+        return new Color(R,G,B);
+    }
+
+    public static String toBrowserHexValue(int number) {
+        StringBuilder builder = new StringBuilder(
+                Integer.toHexString(number & 0xff));
+        while (builder.length() < 2) {
+            builder.append("0");
+        }
+        return builder.toString().toUpperCase();
+    }
+
+
+
+    public static String getQrCover(String bookPic,boolean isDefault){
+        String resultPath = "";
+        try {
+            int backWidth = 702;
+            int backHeight = 299;
+            int splitPoint = 196;
+            int bookWidth = 172;
+            int bookHeight = 238;
+            int playButtonSize = 80;
+            //取书封面和播放按钮图
+            BufferedImage bookPicImage;
+            BufferedImage playPicImage;
+            BufferedImage defaultBackgroundImage;
+            bookPicImage = ImageIO.read(new URL(bookPic));
+            playPicImage = ImageIO.read(new URL(playPic));
+            defaultBackgroundImage = ImageIO.read(new URL(defaultBackgroundPic));
+            //画一个空的背景
+            BufferedImage bg = new BufferedImage(backWidth, backHeight, BufferedImage.TYPE_3BYTE_BGR);
+            Graphics2D g = bg.createGraphics();
+            //获取主题色
+            Color c = getImagePixel(bookPic);
+            //画纯色的背景或者默认背景图
+            g.setColor(c);
+            if(isDefault){
+                g.drawImage(defaultBackgroundImage.getScaledInstance(backWidth,splitPoint, Image.SCALE_DEFAULT), 0, 0, null);
+            }else {
+                g.fillRect(0, 0, backWidth, splitPoint);
+            }
+            g.setColor(defaultColor);
+            g.fillRect(0, splitPoint, backWidth, backHeight-splitPoint);
+            //插入书籍图和播放按钮
+            g.drawImage(bookPicImage.getScaledInstance(bookWidth,bookHeight, Image.SCALE_DEFAULT), (backWidth-bookWidth)/2, (backHeight-bookHeight)/2, null);
+            g.drawImage(playPicImage.getScaledInstance(playButtonSize,playButtonSize, Image.SCALE_DEFAULT), (backWidth-playButtonSize)/2, (backHeight-playButtonSize)/2, null);
+            //画边框
+            g.setColor(borderColor);
+            g.drawRect((backWidth-bookWidth)/2, (backHeight-bookHeight)/2,bookWidth,bookHeight);
+            // 保存并上传图片
+            ByteArrayOutputStream os = new ByteArrayOutputStream();
+            ImageIO.write(bg, ImageTypeEnum.JPG.value, os);
+            UploadResultInfo uploadResultInfo = OssUtils.uploadFileByte(os.toByteArray(), UUIDUitl.taskName(), ImageTypeEnum.JPG.value);
+            os.close();
+            resultPath = uploadResultInfo == null ? null : uploadResultInfo.getUrl();
+        } catch (Exception e) {
+            LOGGER.error("生成合成图失败"+e.getMessage(),e);
+        }
+        return resultPath;
+
+    }
+
+
+    public static void main(String[] args) {
+   //     String bookPic = "https://file.5rs.me/oss/upload/image/jpg/c2c7f0b85f9f4eb683cd86a2945bc5e5.jpg";
+        String s = "";
+        String bookPic = "C:\\Users\\LiHao\\Desktop\\封面图\\aa.jpg";
+        String playPic = "C:\\Users\\LiHao\\Desktop\\封面图\\播放按钮.png";
+        String defaultBackgroundPic = "C:\\Users\\LiHao\\Desktop\\封面图\\默认图背景.png";
+        String resultPath = "C:\\Users\\LiHao\\Desktop\\封面图\\result.jpg";
+        Boolean isDefalut = false;
+        try {
+            //取书封面和播放按钮图
+            BufferedImage bookPicImage;
+            BufferedImage playPicImage;
+            BufferedImage defaultBackgroudImage;
+            if(bookPic.contains("https:")){
+                 bookPicImage = ImageIO.read(new URL(bookPic));
+                 playPicImage = ImageIO.read(new URL(playPic));
+                 defaultBackgroudImage = ImageIO.read(new URL(defaultBackgroundPic));
+            }else{
+                bookPicImage = ImageIO.read(new File(bookPic));
+                playPicImage = ImageIO.read(new File(playPic));
+                defaultBackgroudImage = ImageIO.read(new File(defaultBackgroundPic));
+            }
+
+            //画一个空的背景
+            BufferedImage bg = new BufferedImage(702, 299, BufferedImage.TYPE_3BYTE_BGR);
+            Graphics2D g = bg.createGraphics();
+            //获取主题色
+            Color c = getImagePixel(bookPic);
+
+
+            //画纯色的背景或者默认背景图
+            g.setColor(c);
+            if(isDefalut){
+                g.drawImage(defaultBackgroudImage.getScaledInstance(702,196, Image.SCALE_DEFAULT), 0, 0, null);
+            }else {
+                g.fillRect(0, 0, 702, 196);
+            }
+            g.setColor(new Color(252, 252, 252));
+            g.fillRect(0, 196, 702, 102);
+
+            g.setColor(new Color(221, 221, 221));
+            //插入书籍图和播放按钮
+            g.drawImage(bookPicImage.getScaledInstance(172,238, Image.SCALE_DEFAULT), 265, 30, null);
+            g.drawImage(playPicImage.getScaledInstance(80,80, Image.SCALE_DEFAULT), 306, 105, null);
+            g.drawRect(265,30,172,238);
+
+            for(int i=0;i<3;i++){
+
+            }
+
+            //保存图片
+            if(bookPic.contains("https:")) {
+                ByteArrayOutputStream os = new ByteArrayOutputStream();
+                ImageIO.write(bg, ImageTypeEnum.JPG.value, os);
+                UploadResultInfo uploadResultInfo = OssUtils.uploadFileByte(os.toByteArray(), UUIDUitl.taskName(), ImageTypeEnum.JPG.value);
+                os.close();
+                s = uploadResultInfo == null ? null : uploadResultInfo.getUrl();
+            }else{
+                OutputStream os = new FileOutputStream(resultPath);
+                ImageIO.write(bg, ImageTypeEnum.JPG.value, os);
+                os.close();
+            }
+            System.out.println(s);
+        } catch (Exception e) {
+            System.out.println(e.getMessage());
+        }
+
+    }
+
+
+
+
+
+}