package com.ld.igds.common.bar;
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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.oned.Code128Writer;
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import org.apache.commons.codec.binary.Base64;
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import org.apache.commons.lang.ObjectUtils;
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import org.apache.commons.lang.StringUtils;
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import org.krysalis.barcode4j.HumanReadablePlacement;
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import org.krysalis.barcode4j.impl.code128.Code128Bean;
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import org.krysalis.barcode4j.output.bitmap.BitmapCanvasProvider;
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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.ByteArrayOutputStream;
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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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/**
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* @Desc: 条形码工具
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* @author: Andy
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* @update-time: 2023/6/30
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*/
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public class BarCodeUtils3 {
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/**
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* 条形码宽度
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*/
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private static final int WIDTH = 300;
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/**
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* 条形码高度
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*/
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private static final int HEIGHT = 100;
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/**
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* 加文字 条形码
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*/
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private static final int WORD_HEIGHT = 150;
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/**
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* 设置 条形码参数
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*/
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private static Map<EncodeHintType, Object> hints = new HashMap<EncodeHintType, Object>() {
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private static final long serialVersionUID = 1L;
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{
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put(EncodeHintType.CHARACTER_SET, "utf-8");
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}
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};
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/**
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* 生成code128条形码
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*
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* @param height 条形码的高度
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* @param width 条形码的宽度
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* @param message 要生成的文本
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* @param withQuietZone 是否两边留白
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* @param hideText 隐藏可读文本
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* @return 图片对应的字节码
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*/
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public static byte[] generateBarCode128(String message, Double height, Double width, boolean withQuietZone, boolean hideText) {
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Code128Bean bean = new Code128Bean();
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// 分辨率
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int dpi = 512;
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// 设置两侧是否留白
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bean.doQuietZone(withQuietZone);
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// 设置条形码高度和宽度
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bean.setBarHeight((double) ObjectUtils.defaultIfNull(height, 9.0D));
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if (width != null) {
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bean.setModuleWidth(width);
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}
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// 设置文本位置（包括是否显示）
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if (hideText) {
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bean.setMsgPosition(HumanReadablePlacement.HRP_NONE);
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}
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// 设置图片类型
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String format = "image/png";
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ByteArrayOutputStream ous = new ByteArrayOutputStream();
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BitmapCanvasProvider canvas = new BitmapCanvasProvider(ous, format, dpi,
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BufferedImage.TYPE_BYTE_BINARY, false, 0);
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// 生产条形码
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bean.generateBarcode(canvas, message);
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try {
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canvas.finish();
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} catch (IOException e) {
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}
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return ous.toByteArray();
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}
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/**
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* 生成 图片缓冲
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*
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* @param vaNumber VA 码
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* @return 返回BufferedImage
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* @author fxbin
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*/
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public static BufferedImage getBarCode(String vaNumber) {
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try {
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Code128Writer writer = new Code128Writer();
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// 编码内容, 编码类型, 宽度, 高度, 设置参数
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BitMatrix bitMatrix = writer.encode(vaNumber, BarcodeFormat.CODE_128, WIDTH, HEIGHT, hints);
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return MatrixToImageWriter.toBufferedImage(bitMatrix);
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} catch (WriterException e) {
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e.printStackTrace();
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}
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return null;
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}
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/**
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* 把带logo的条形码下面加上文字
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*
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* @param image 条形码图片
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* @param words 底部文字
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* @return 返回BufferedImage
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* @author fxbin
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*/
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public static BufferedImage insertWords(BufferedImage image, String words) {
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// 新的图片，把带logo的二维码下面加上文字
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if (StringUtils.isNotEmpty(words)) {
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BufferedImage outImage = new BufferedImage(WIDTH, WORD_HEIGHT, BufferedImage.TYPE_INT_RGB);
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Graphics2D g2d = outImage.createGraphics();
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// 抗锯齿
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setGraphics2D(g2d);
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// 设置白色
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setColorWhite(g2d);
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// 画条形码到新的面板
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g2d.drawImage(image, 0, 0, image.getWidth(), image.getHeight(), null);
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// 画文字到新的面板
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Color color = new Color(0, 0, 0);
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g2d.setColor(color);
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// 字体、字型、字号
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g2d.setFont(new Font("微软雅黑", Font.PLAIN, 18));
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//文字长度
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int strWidth = g2d.getFontMetrics().stringWidth(words);
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//总长度减去文字长度的一半 （居中显示）
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int wordStartX = (WIDTH - strWidth) / 2;
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//height + (outImage.getHeight() - height) / 2 + 12
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int wordStartY = HEIGHT + 20;
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// 画文字
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g2d.drawString(words, wordStartX, wordStartY);
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// 画文字
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wordStartY = HEIGHT + 20;
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g2d.drawString(words, wordStartX, wordStartY);
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g2d.dispose();
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outImage.flush();
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return outImage;
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}
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return null;
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}
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/**
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* 设置 Graphics2D 属性 （抗锯齿）
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*
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* @param g2d Graphics2D提供对几何形状、坐标转换、颜色管理和文本布局更为复杂的控制
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*/
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private static void setGraphics2D(Graphics2D g2d) {
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g2d.setRenderingHint(RenderingHints.KEY_ANTIALIASING, RenderingHints.VALUE_ANTIALIAS_ON);
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g2d.setRenderingHint(RenderingHints.KEY_STROKE_CONTROL, RenderingHints.VALUE_STROKE_DEFAULT);
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Stroke s = new BasicStroke(1, BasicStroke.CAP_ROUND, BasicStroke.JOIN_MITER);
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g2d.setStroke(s);
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}
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/**
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* 设置背景为白色
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*
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* @param g2d Graphics2D提供对几何形状、坐标转换、颜色管理和文本布局更为复杂的控制
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*/
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private static void setColorWhite(Graphics2D g2d) {
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g2d.setColor(Color.WHITE);
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//填充整个屏幕
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g2d.fillRect(0, 0, 600, 600);
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//设置笔刷
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g2d.setColor(Color.BLACK);
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}
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/**
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* BufferedImage 转base64
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*/
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public String GetBase64FromImage(BufferedImage img) {
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ByteArrayOutputStream stream = new ByteArrayOutputStream();
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try {
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// 设置图片的格式
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ImageIO.write(img, "jpg", stream);
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} catch (IOException e) {
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e.printStackTrace();
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}
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byte[] bytes = Base64.encodeBase64(stream.toByteArray());
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String base64 = new String(bytes);
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return "data:image/jpeg;base64," + base64;
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}
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public static void main(String[] args) throws IOException {
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BufferedImage image = insertWords(getBarCode("202306290001"), "202306290001\r\n你好");
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ImageIO.write(image, "jpg", new File("D:/IGDS/TEMP/BRCODE_abc.jpg"));
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}
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}
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