package com.dy.common.util;
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import com.google.zxing.BarcodeFormat;
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import com.google.zxing.EncodeHintType;
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import com.google.zxing.WriterException;
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import com.google.zxing.client.j2se.MatrixToImageWriter;
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import com.google.zxing.common.BitMatrix;
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import com.google.zxing.qrcode.QRCodeWriter;
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import com.google.zxing.qrcode.decoder.ErrorCorrectionLevel;
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import javax.imageio.ImageIO;
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import java.awt.*;
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import java.awt.image.BufferedImage;
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import java.io.File;
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import java.io.IOException;
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import java.util.HashMap;
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import java.util.Map;
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public class QrCodeTest1 {
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public static void main(String[] args) throws Exception {
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String[] text = {"12345678;超声波水表;民旺道10号;大禹研究院;020-12345678;106.872615383,11.466578703"};
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String imgpath = "D:\\demo\\";
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for (int i = 0; i < text.length; i++) {
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String[] s = text[i].split(";");
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String[] lines = {"设备编号:" + s[0], "设备类型:" + s[1], "道路名称:" + s[2], "管护单位:" + s[3], "报修电话:" + s[4]};
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String[] line = {s[0], s[1], s[2], s[3], s[4]};
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createq(lines, line, imgpath + "test.jpeg");
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}
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}
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static void createq(String[] lines, String[] line, String imgpath) {
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String qrCodeText = line[0];
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//二维码大小
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int size = 400;
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//画布大小
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int combinedWidth = size + 800;
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int combinedHeight = size + 400 ;
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//标题高度
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int topsize = 160;
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//设置标题y坐标
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int yTitle = 110;
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//设置画布内边距
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int padding = 5;
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//设置标题内容
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String title = "大禹集团";
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//设置图片dpi
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int dpi = 300;
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Color blue = new Color(75, 125, 178);
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//设置二维码参数
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Map hints = new HashMap();
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//设置UTF-8， 防止中文乱码
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hints.put(EncodeHintType.CHARACTER_SET, "UTF-8");
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// 设置二维码的容错性
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hints.put(EncodeHintType.ERROR_CORRECTION, ErrorCorrectionLevel.H);
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//留白 默认4
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hints.put(EncodeHintType.MARGIN, 1);
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// 码版本，取值为 1 到 40 ,根据二维码内容决定最低版本
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hints.put(EncodeHintType.QR_VERSION, 3);
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//创建码位图
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BitMatrix bitMatrix = null;
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try {
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bitMatrix = new QRCodeWriter().encode(qrCodeText, BarcodeFormat.QR_CODE, size, size, hints);
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} catch (WriterException e) {
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e.printStackTrace();
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}
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//将生成码位图转换成BufferedImage
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BufferedImage qrImage = MatrixToImageWriter.toBufferedImage(bitMatrix);
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//创建空白BufferedImage
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BufferedImage combined = new BufferedImage(combinedWidth, combinedHeight, BufferedImage.TYPE_INT_RGB);
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//从BufferedImage对象中获取画布（Graphics2D）对象
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Graphics2D graphics = combined.createGraphics();
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//设置渲染提示为启用文本抗锯齿
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graphics.setRenderingHint(RenderingHints.KEY_TEXT_ANTIALIASING, RenderingHints.VALUE_TEXT_ANTIALIAS_ON);
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//默认开启绘图抗锯齿
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//graphics.setRenderingHint(RenderingHints.KEY_STROKE_CONTROL,RenderingHints.VALUE_STROKE_DEFAULT);
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//设置空白画布整体背景颜色
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GraphicsUtils.drawBackground(graphics,0, 0, combinedWidth, combinedHeight,Color.WHITE);
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//绘制表格画线
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//绘制线在内边距内，不影响其它内容，-1操作
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int linepadding = padding - 1 ;
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//绘制矩形
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GraphicsUtils.drawRectangle(graphics,linepadding,linepadding,combinedWidth-linepadding*2,combinedHeight-linepadding*2,Color.BLACK);
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//绘制内三横线
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GraphicsUtils.drawLine(graphics,linepadding,padding+topsize+1,combinedWidth-linepadding,padding+topsize+1,Color.BLACK);
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GraphicsUtils.drawLine(graphics,linepadding,padding+topsize+size+2,combinedWidth-linepadding,padding+topsize+size+2,Color.BLACK);
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GraphicsUtils.drawLine(graphics,linepadding,combinedHeight-(combinedHeight-padding*2-topsize-size+2)/2 - padding,combinedWidth-linepadding,combinedHeight-(combinedHeight-padding*2-topsize-size+2)/2 - padding,Color.BLACK);
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//绘制二维码竖线及右边2横线
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GraphicsUtils.drawLine(graphics,padding+size+1,padding+topsize+1,padding+size+1,padding+topsize+size+1,Color.BLACK);
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GraphicsUtils.drawLine(graphics,padding+size+1,padding+topsize+1+size/3,combinedWidth-linepadding,padding+topsize+1+size/3,Color.BLACK);
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GraphicsUtils.drawLine(graphics,padding+size+1,padding+topsize+1+size/3*2,combinedWidth-linepadding,padding+topsize+1+size/3*2,Color.BLACK);
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//该方法用于绘制头部绘制矩形并填充指定颜色
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GraphicsUtils.drawFillRect(graphics,padding, padding, combinedWidth-(padding*2), topsize,blue);
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//二维码插入画布
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GraphicsUtils.drawImage(graphics,qrImage, padding, topsize+padding+2);
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//该方法用于绘制头部绘制矩形并填充指定颜色
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GraphicsUtils.drawBackground(graphics,padding, padding, combinedWidth-(padding*2), topsize,blue);
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//绘制头部字体
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Font titleFont = new Font("宋体", Font.BOLD, 70);
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GraphicsUtils.drawFont(graphics,titleFont,Color.white);
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FontMetrics fontMetrics = graphics.getFontMetrics();
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int fontWidth = fontMetrics.stringWidth(title);
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int xTitle = ((combinedWidth - fontWidth) / 2);
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GraphicsUtils.drawText(graphics,title,xTitle, yTitle+padding,titleFont,Color.white);
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//绘制非头部字体
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//设置字体及颜色
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Font downFont = new Font("宋体", Font.BOLD, 50);
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GraphicsUtils.drawFont(graphics,downFont,Color.BLACK);
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fontMetrics = graphics.getFontMetrics();
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int fontHeight = fontMetrics.getHeight();
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for (int i = 0; i < lines.length; i++) {
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if (i < 3){
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graphics.drawString(lines[i], size+padding+5, topsize+padding+ (size/3) * i + (size/3+fontHeight)/2 );
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}else if (i == 3){
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int test = combinedHeight-(combinedHeight-padding*2-topsize-size)/4*3 - padding + fontHeight/2 ;
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graphics.drawString(lines[i], 5+padding, test);
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}
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else if (i == 4){
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int test = combinedHeight-(combinedHeight-padding*2-topsize-size)/4 - padding + fontHeight/2 ;
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graphics.drawString(lines[i], 5+padding, test);
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}
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}
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graphics.dispose();
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try {
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ImageIO.write(combined, "jpeg",new File(imgpath) );
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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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