package com.doumee.core.utils;
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import com.google.zxing.common.BitMatrix;
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import org.apache.commons.fileupload.FileItem;
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import org.apache.commons.fileupload.FileItemFactory;
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import org.apache.commons.fileupload.disk.DiskFileItemFactory;
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import org.springframework.http.MediaType;
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import org.springframework.web.multipart.MultipartFile;
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import org.springframework.web.multipart.commons.CommonsMultipartFile;
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import javax.imageio.ImageIO;
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import javax.imageio.stream.ImageOutputStream;
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import java.awt.*;
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import java.awt.geom.Ellipse2D;
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import java.awt.image.BufferedImage;
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import java.io.*;
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import java.math.BigDecimal;
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import java.math.RoundingMode;
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import java.net.URL;
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public class GeneratePicUtil {
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static String bg="https://shoeslxkj.oss-cn-beijing.aliyuncs.com/file/20230404/SysBaseBackGround/D56231512C0B4A4C9D06B02F9566B0B0.png";
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static String headUrl = "https://shoeslxkj.oss-cn-beijing.aliyuncs.com/file/20230404/SysBaseBackGround/B802B64FE31447DCB030F13ECC7CA9F9.png";
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private static float jPEGcompression = 0.75f;// 图片清晰比率
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/**
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* test
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*
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* @param args
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* @throws
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*/
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public static void main(String[] args) {
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long starttime = System.currentTimeMillis();
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System.out.println("开始：" + starttime);
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try {
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// String a="https://shoeslxkj.oss-cn-beijing.aliyuncs.com/file/20230403/SysBaseBackGround/883D63E108F44FC68ED856B42B9AB063.png";
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// generateImg(a,"D:/","baidu.com","清澄白河马克杯-节日版定制日版定制", BigDecimal.valueOf(129.88) );
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} catch (Exception e) {
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e.printStackTrace();
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}
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System.out.println("结束：" + (System.currentTimeMillis() - starttime) / 1000);
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}
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private static final int width = 898;
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private static final int height = 1308;
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/**
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* 生成分享图片
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* @param headImg 头部图片
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* @param wxQrCodeImg 微信小程序二维码
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* @param goodsName 商品名称
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* @param price 商品价格
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* @return
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* @throws Exception
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*/
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public static InputStream generateImg(String headImg,String wxQrCodeImg, String goodsName, BigDecimal price) throws Exception {
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BufferedImage bi = new BufferedImage(width, height, BufferedImage.TYPE_INT_RGB);
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//得到它的绘制环境(这张图片的笔)
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Graphics2D g2 = (Graphics2D) bi.getGraphics();
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g2.setRenderingHint(RenderingHints.KEY_ANTIALIASING,RenderingHints.VALUE_ANTIALIAS_ON);
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g2.fillRect(0, 0, width, height);
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//背景图片
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BufferedImage titles = ImageIO.read(new URL(bg));
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g2.drawImage(titles, 1, 1, 894, 1305, null);
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g2.drawRect(0, 0, width - 1, height - 1);
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//头部图片
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BufferedImage headBg = ImageIO.read(new URL(headImg));
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g2.drawImage(headBg, 1, 1, 894, 900, null);
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g2.drawRect(0, 0, width - 1, height - 1);
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//商品名称
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if(goodsName.length()>13){
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g2.setColor(Color.black);
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g2.setFont(new Font("黑体", Font.PLAIN, 40));
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g2.drawString(goodsName.substring(0,13), 46, 1000);
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g2.setColor(Color.black);
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g2.setFont(new Font("黑体", Font.PLAIN, 40));
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g2.drawString(goodsName.substring(13), 46, 1054);
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}else{
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g2.setColor(Color.black);
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g2.setFont(new Font("黑体", Font.PLAIN, 40));
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g2.drawString(goodsName, 46, 1020);
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}
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//商品价格
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g2.setColor(Color.red);
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g2.setFont(new Font("黑体", Font.PLAIN, 30));
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g2.drawString("￥", 620, 1020);
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BigDecimal integerPart = price.setScale(0, RoundingMode.DOWN);
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BigDecimal fractionalPart = price.subtract(integerPart);
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if(price.compareTo(new BigDecimal(1000))>=0){
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//整数部分
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g2.setColor(Color.red);
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g2.setFont(new Font("黑体", Font.PLAIN, 40));
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g2.drawString(price.setScale(0, RoundingMode.DOWN).toString(), 660, 1020);
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//小数部分
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g2.setColor(Color.red);
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g2.setFont(new Font("黑体", Font.PLAIN, 30));
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g2.drawString(fractionalPart.toString().substring(1), 740, 1020);
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}else if(price.compareTo(new BigDecimal(100))>=0){
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//整数部分
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g2.setColor(Color.red);
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g2.setFont(new Font("黑体", Font.PLAIN, 40));
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g2.drawString(price.setScale(0, RoundingMode.DOWN).toString(), 660, 1020);
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//小数部分
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g2.setColor(Color.red);
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g2.setFont(new Font("黑体", Font.PLAIN, 30));
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g2.drawString(fractionalPart.toString().substring(1), 720, 1020);
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}else if(price.compareTo(new BigDecimal(10))>=0){
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//整数部分
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g2.setColor(Color.red);
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g2.setFont(new Font("黑体", Font.PLAIN, 40));
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g2.drawString(price.setScale(0, RoundingMode.DOWN).toString(), 660, 1020);
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//小数部分
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g2.setColor(Color.red);
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g2.setFont(new Font("黑体", Font.PLAIN, 30));
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g2.drawString(fractionalPart.toString().substring(1), 700, 1020);
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}else{
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//整数部分
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g2.setColor(Color.red);
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g2.setFont(new Font("黑体", Font.PLAIN, 40));
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g2.drawString(price.setScale(0, RoundingMode.DOWN).toString(), 660, 1020);
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//小数部分
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g2.setColor(Color.red);
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g2.setFont(new Font("黑体", Font.PLAIN, 30));
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g2.drawString(fractionalPart.toString().substring(1), 680, 1020);
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}
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//设置二维码图片
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BufferedImage barcodeCode = ImageIO.read(new URL(wxQrCodeImg));
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g2.drawImage(barcodeCode, 670, 1100, 180, 180,null);
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g2.drawRect(0, 0, width - 1, height - 1);
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InputStream inputStream = bufferedImageToInputStream(bi);
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return inputStream;
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// String fileName = "8701EAC36DEC405A94C530F0E6796589.jpg"; //ID.nextGUID() + ".jpg";
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// GeneratePicUtil.saveFile(inputStream, filePath+ File.separator+fileName);
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// return filePath + File.separator+ fileName;
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}
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public static MultipartFile getMultipartFile(InputStream inputStream, String fileName) {
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FileItem fileItem = createFileItem(inputStream, fileName);
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return new CommonsMultipartFile(fileItem);
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}
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/**
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* FileItem类对象创建
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*
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* @param inputStream inputStream
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* @param fileName fileName
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* @return FileItem
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*/
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public static FileItem createFileItem(InputStream inputStream, String fileName) {
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FileItemFactory factory = new DiskFileItemFactory(16, null);
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String textFieldName = "file";
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FileItem item = factory.createItem(textFieldName, MediaType.MULTIPART_FORM_DATA_VALUE, true, fileName);
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int bytesRead = 0;
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byte[] buffer = new byte[8192];
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OutputStream os = null;
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//使用输出流输出输入流的字节
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try {
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os = item.getOutputStream();
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while ((bytesRead = inputStream.read(buffer, 0, 8192)) != -1) {
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os.write(buffer, 0, bytesRead);
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}
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inputStream.close();
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} catch (IOException e) {
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throw new IllegalArgumentException("文件上传失败");
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} finally {
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if (os != null) {
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try {
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os.close();
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} catch (IOException e) {
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e.printStackTrace();;
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}
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}
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if (inputStream != null) {
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try {
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inputStream.close();
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} catch (IOException e) {
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e.printStackTrace();;
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}
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}
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}
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return item;
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}
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public static void saveFile(InputStream is, String fileName) throws IOException {
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try (BufferedInputStream in = new BufferedInputStream(is);
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BufferedOutputStream out = new BufferedOutputStream(new FileOutputStream(fileName))) {
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int len;
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byte[] b = new byte[1024];
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while ((len = in.read(b)) != -1) {
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out.write(b, 0, len);
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}
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}
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}
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public static InputStream bufferedImageToInputStream(BufferedImage backgroundImage) throws IOException {
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return bufferedImageToInputStream(backgroundImage, "jpg");
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}
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/**
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* backgroundImage 转换为输出流
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*
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* @param backgroundImage
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* @param format
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* @return
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* @throws IOException
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*/
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public static InputStream bufferedImageToInputStream(BufferedImage backgroundImage, String format) throws IOException {
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ByteArrayOutputStream bs = new ByteArrayOutputStream();
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try (
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ImageOutputStream
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imOut = ImageIO.createImageOutputStream(bs)) {
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ImageIO.write(backgroundImage, format, imOut);
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InputStream is = new ByteArrayInputStream(bs.toByteArray());
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return is;
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}
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}
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/**
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* 传入的图像必须是正方形的 才会 圆形 如果是长方形的比例则会变成椭圆的
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*
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* 用户头像地址
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* @return
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* @throws IOException
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*/
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public static BufferedImage convertCircular(BufferedImage bi1) throws IOException {
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BufferedImage bi2 = new BufferedImage(bi1.getWidth(), bi1.getHeight(), BufferedImage.TYPE_4BYTE_ABGR);
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Ellipse2D.Double shape = new Ellipse2D.Double(0, 0, bi1.getWidth(), bi1.getHeight());
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Graphics2D g2 = bi2.createGraphics();
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g2.setClip(shape);
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// 使用 setRenderingHint 设置抗锯齿
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g2.drawImage(bi1, 0, 0, null);
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// 设置颜色
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g2.setBackground(Color.green);
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g2.dispose();
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return bi2;
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}
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//去除二维码白边
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public static BitMatrix deleteWhite(BitMatrix matrix) {
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int[] rec = matrix.getEnclosingRectangle();
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int resWidth = rec[2] + 1;
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int resHeight = rec[3] + 1;
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BitMatrix resMatrix = new BitMatrix(resWidth, resHeight);
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resMatrix.clear();
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for (int i = 0; i < resWidth; i++) {
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for (int j = 0; j < resHeight; j++) {
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if (matrix.get(i + rec[0], j + rec[1])) resMatrix.set(i, j);
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}
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}
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return resMatrix;
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}
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}
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