Java Code Examples for com.google.zxing.client.j2se.MatrixToImageWriter#writeToPath()

The following examples show how to use com.google.zxing.client.j2se.MatrixToImageWriter#writeToPath() . You can vote up the ones you like or vote down the ones you don't like, and go to the original project or source file by following the links above each example. You may check out the related API usage on the sidebar.

Example 1

Source File: QRCodeUtil.java From hdw-dubbo with Apache License 2.0

7 votes

/**
 * @param dir     生成二维码路径
 * @param content 内容
 * @param width   宽度
 * @param height  高度
 * @return
 */
public static String createQRCodeImage(String dir, String content, int width, int height) {
    try {
        File dirFile = null;
        if (StringUtils.isNotBlank(dir)) {
            dirFile = new File(dir);
            if (!dirFile.exists()) {
                dirFile.mkdirs();
            }
        }
        String qrcodeFormat = "png";
        HashMap<EncodeHintType, String> hints = new HashMap<EncodeHintType, String>();
        hints.put(EncodeHintType.CHARACTER_SET, "UTF-8");
        BitMatrix bitMatrix = new MultiFormatWriter().encode(content, BarcodeFormat.QR_CODE, width, height, hints);

        File file = new File(dir, UUID.randomUUID().toString() + "." + qrcodeFormat);
        MatrixToImageWriter.writeToPath(bitMatrix, qrcodeFormat, file.toPath());
        return file.getAbsolutePath();
    } catch (Exception e) {
        e.printStackTrace();
    }
    return "";
}

Example 2

Source File: QRCodeWriter.java From oath with MIT License

6 votes

private void doWrite(OutputStream os, Path path) throws IOException {
    try {
        Writer writer = new MultiFormatWriter();
        Map<EncodeHintType, Object> hints = new Hashtable<EncodeHintType, Object>();
        hints.put(EncodeHintType.CHARACTER_SET, StandardCharsets.UTF_8.name());
        hints.put(EncodeHintType.MARGIN, Integer.valueOf(margin));
        hints.put(EncodeHintType.ERROR_CORRECTION, com.google.zxing.qrcode.decoder.ErrorCorrectionLevel.forBits(errorCorrectionLevel.getBits()));
        BitMatrix matrix = writer.encode(uri.toUriString(), BarcodeFormat.QR_CODE, width, height, hints);
        if (os != null) {
            MatrixToImageWriter.writeToStream(matrix, imageFormatName, os);
        }
        else {
            MatrixToImageWriter.writeToPath(matrix, imageFormatName, path);
        }
    } catch (WriterException e) {
        throw new IOException(e);
    }
}

Example 3

Source File: ToolBarCode.java From protools with Apache License 2.0

5 votes

/**
 * 生成二维码
 *
 * @param content  条码文本内容
 * @param width    条码宽度
 * @param height   条码高度
 * @param fileType 文件类型，如png
 * @param savePath 保存路径
 */
@SuppressWarnings({"rawtypes", "unchecked", "deprecation"})
public static void encode(String content, int width, int height, String fileType, String savePath) throws IOException, WriterException {
    Charset charset = Charset.forName("UTF-8");
    CharsetEncoder encoder = charset.newEncoder();

    byte[] b = encoder.encode(CharBuffer.wrap(content)).array();
    String data = new String(b, "iso8859-1");

    Writer writer = new QRCodeWriter();
    BitMatrix matrix = writer.encode(data, QR_CODE, width, height);
    MatrixToImageWriter.writeToPath(matrix, fileType, Paths.get(savePath));
}

Example 4

Source File: ZxingUtil.java From javautils with Apache License 2.0

5 votes

/**
 * 根据bitMatrix生成二维码
 * @param bitMatrix
 * @param target
 * @param imageType
 */
public static void genCode(BitMatrix bitMatrix, String imageType, String target){
    try {
        Path path = FileSystems.getDefault().getPath(target);
        // 输出图像
        MatrixToImageWriter.writeToPath(bitMatrix, imageType, path);
    } catch (IOException e) {
        e.printStackTrace();
    }
}

Example 5

Source File: ZxingUtils.java From frpMgr with MIT License

5 votes

/**
 * 条形码编码
 * 
 * @param contents
 * @param width
 * @param height
 * @param imgPath
 */
public static void encode(String contents, int width, int height, String imgPath) {
	int codeWidth = 3 + // start guard
			(7 * 6) + // left bars
			5 + // middle guard
			(7 * 6) + // right bars
			3; // end guard
	codeWidth = Math.max(codeWidth, width);
	try {
		BitMatrix bitMatrix = new MultiFormatWriter().encode(contents, BarcodeFormat.EAN_13, codeWidth, height, null);
		MatrixToImageWriter.writeToPath(bitMatrix, "png", new File(imgPath).toPath());
	} catch (Exception e) {
		e.printStackTrace();
	}
}

Example 6

Source File: BarCodeGenerator.java From rebuild with GNU General Public License v3.0

5 votes

/**
 * @param content
 * @param format
 * @param height
 * @return
 */
public static File saveBarCode(String content, BarcodeFormat format, int height) {
    BitMatrix bitMatrix = createBarCode(content, format, height);

    String fileName = String.format("BarCode-%d.png", System.currentTimeMillis());
    File dest = SysConfiguration.getFileOfTemp(fileName);
    try {
        MatrixToImageWriter.writeToPath(bitMatrix, "png", dest.toPath());
        return dest;

    } catch (IOException ex) {
        throw new RebuildException("Write BarCode failed : " + content, ex);
    }
}

Example 7

Source File: ZxingUtils.java From frpMgr with MIT License

5 votes

/**
 * 二维码编码
 * 
 * @param contents
 * @param width
 * @param height
 * @param imgPath
 */
public static void encode2(String contents, int width, int height, String imgPath) {
	Hashtable<EncodeHintType, Object> hints = new Hashtable<EncodeHintType, Object>();
	// 指定纠错等级
	hints.put(EncodeHintType.ERROR_CORRECTION, ErrorCorrectionLevel.L);
	// 指定编码格式
	hints.put(EncodeHintType.CHARACTER_SET, "GBK");
	try {
		BitMatrix bitMatrix = new MultiFormatWriter().encode(contents, BarcodeFormat.QR_CODE, width, height, hints);
		MatrixToImageWriter.writeToPath(bitMatrix, "png", new File(imgPath).toPath());
	} catch (Exception e) {
		e.printStackTrace();
	}
}

Example 8

Source File: ToolBarCode.java From protools with Apache License 2.0

3 votes

/**
 * 写入二维码、以及将照片logo写入二维码中
 *
 * @param matrix    要写入的二维码
 * @param format    二维码照片格式
 * @param imagePath 二维码照片保存路径
 * @param logoPath  logo路径
 * @throws IOException
 */
public static void writeToFile(BitMatrix matrix, String format, String imagePath, String logoPath) throws IOException {
    MatrixToImageWriter.writeToPath(matrix, format, Paths.get(imagePath), new MatrixToImageConfig());

    // 添加logo图片, 此处一定需要重新进行读取，而不能直接使用二维码的BufferedImage 对象
    BufferedImage img = ImageIO.read(new File(imagePath));
    MatrixToImageWriterEx.overlapImage(img, format, imagePath, logoPath, DEFAULT_CONFIG);
}

Example 9

Source File: ToolBarCode.java From protools with Apache License 2.0

3 votes

/**
 * 写入二维码、以及将照片logo写入二维码中
 *
 * @param matrix     要写入的二维码
 * @param format     二维码照片格式
 * @param imagePath  二维码照片保存路径
 * @param logoPath   logo路径
 * @param logoConfig logo配置对象
 * @throws IOException
 */
public static void writeToFile(BitMatrix matrix, String format, String imagePath, String logoPath, MatrixToLogoImageConfig logoConfig) throws IOException {
    MatrixToImageWriter.writeToPath(matrix, format, Paths.get(imagePath), new MatrixToImageConfig());

    // 添加logo图片, 此处一定需要重新进行读取，而不能直接使用二维码的BufferedImage 对象
    BufferedImage img = ImageIO.read(new File(imagePath));
    MatrixToImageWriterEx.overlapImage(img, format, imagePath, logoPath, logoConfig);
}

Example 10

Source File: QRCodeUtil.java From java-tutorial with Creative Commons Attribution Share Alike 4.0 International

3 votes

/**
 * 创建一个qrcode图片
 *
 * @param content  加密信息，建议使用json格式
 * @param paramDTO qrcode 参数
 * @throws WriterException
 * @throws IOException
 */
public static void encode(String content, BarcodeParamDTO paramDTO) throws WriterException, IOException {
	// 生成矩阵
	BitMatrix bitMatrix = new MultiFormatWriter().encode(content, paramDTO.getBarcodeFormat(), paramDTO.getWidth(),
		paramDTO.getHeight(), paramDTO.getEncodeHints());
	Path path = FileSystems.getDefault().getPath(paramDTO.getFilepath());
	MatrixToImageWriter.writeToPath(bitMatrix, paramDTO.getImageFormat(), path);// 输出图像
}

Example 11

Source File: MyQRCodeUtils.java From spring-boot with Apache License 2.0

3 votes

/**
 * 创建 QRCode 图片文件
 *
 * @param file            图片
 * @param imageFormat     图片编码格式
 * @param encodeContent   QRCode 内容
 * @param imageSize       图片大小
 * @param foreGroundColor 前景色
 * @param backGroundColor 背景色
 * @throws WriterException
 * @throws IOException
 */
public static void createQRCodeImageFile(Path file, ImageFormat imageFormat, String encodeContent, Dimension imageSize, Color foreGroundColor, Color backGroundColor) throws WriterException, IOException {
    Assert.isTrue(FilenameUtils.getExtension(file.toString()).toUpperCase().equals(imageFormat.toString()), "文件扩展名和格式不一致");
    QRCodeWriter qrWrite = new QRCodeWriter();
    BitMatrix matrix = qrWrite.encode(encodeContent, BarcodeFormat.QR_CODE, imageSize.width, imageSize.height);
    MatrixToImageWriter.writeToPath(matrix, imageFormat.toString(), file, new MatrixToImageConfig(foreGroundColor.getRGB(), backGroundColor.getRGB()));
}

Example 12

Source File: ZXingFactory.java From spring-boot-cookbook with Apache License 2.0

3 votes

/**
 * 生成一个二维码图片
 *
 * @param inviteUrl
 * @return
 * @throws WriterException
 * @throws IOException
 */
public static File createQRFile(String inviteUrl) throws WriterException, IOException {
    BitMatrix bitMatrix = getBitMatrix(inviteUrl);
    String tmpDir = System.getProperty("java.io.tmpdir");
    Path path = FileSystems.getDefault().getPath(tmpDir, "qr_" + RandomUtils.generateRandomString(6) + ".png");
    MatrixToImageWriter.writeToPath(bitMatrix, "png", path);// 输出图像
    return path.toFile();
}

Example 13