Examples with BufferedImageLuminanceSource com.google.zxing.client.j2se.BufferedImageLuminanceSource used on opensource projects

Example 6 with BufferedImageLuminanceSource

use of com.google.zxing.client.j2se.BufferedImageLuminanceSource in project pancm_project by xuwujing.

the class QrCodeCreateUtil method readQrCode.

/**
 * 读二维码并输出携带的信息
 *
 * @param inputStream the input stream
 * @throws IOException the io exception
 */
public static void readQrCode(InputStream inputStream) throws IOException {
    // 从输入流中获取字符串信息
    BufferedImage image = ImageIO.read(inputStream);
    // 将图像转换为二进制位图源
    LuminanceSource source = new BufferedImageLuminanceSource(image);
    BinaryBitmap bitmap = new BinaryBitmap(new HybridBinarizer(source));
    QRCodeReader reader = new QRCodeReader();
    Result result = null;
    try {
        result = reader.decode(bitmap);
    } catch (ReaderException e) {
        e.printStackTrace();
    }
    System.out.println(result.getText());
}

Example 7 with BufferedImageLuminanceSource

use of com.google.zxing.client.j2se.BufferedImageLuminanceSource in project pancm_project by xuwujing.

the class QrCodeCreateUtil method decodeQRInfoFromImage.

/**
 * 解析图片中的二维码文本信息
 *
 * @param imagePath 含二维码图片的路径
 * @param cachePath 缓存目录路径
 * @return 解析出的二维码文本信息
 */
public static String decodeQRInfoFromImage(String imagePath, String cachePath) {
    String qrInfo = null;
    try {
        // 判断图片路径是否为空
        if (imagePath == null || "".equals(imagePath.trim())) {
            System.err.println("Parameter \'imagePath\' cannot be empty");
            qrInfo = null;
            return qrInfo;
        }
        // 判断图片文件是否存在
        File imageFile = new File(imagePath);
        if (!imageFile.exists()) {
            System.err.println("The image file is not exits");
            qrInfo = null;
            return qrInfo;
        }
        // 判断是否为图片
        try {
            Image image = ImageIO.read(imageFile);
            if (image == null) {
                System.err.println("The image file is not real picture");
                qrInfo = null;
                return qrInfo;
            }
        } catch (IOException ex) {
            System.err.println("The image file is not real picture");
            qrInfo = null;
            return qrInfo;
        }
        // 判断缓存目录是否为空
        if (cachePath == null || "".equals(cachePath.trim())) {
            System.err.println("Parameter \'cachePath\' cannot be empty");
            qrInfo = null;
            return qrInfo;
        }
        // 判断缓存目录是否存在
        File cacheFile = new File(cachePath);
        if (!cacheFile.exists() || !cacheFile.isDirectory()) {
            System.err.println("cachePath is not exits or is not directory");
            qrInfo = null;
            return qrInfo;
        }
        ImageIO.setCacheDirectory(new File(cachePath));
        BufferedImage image = ImageIO.read(new File(imagePath));
        LuminanceSource source = new BufferedImageLuminanceSource(image);
        Binarizer binarizer = new HybridBinarizer(source);
        BinaryBitmap binaryBitmap = new BinaryBitmap(binarizer);
        Map<DecodeHintType, Object> hints = new HashMap<DecodeHintType, Object>();
        hints.put(DecodeHintType.CHARACTER_SET, "UTF-8");
        Result result = new MultiFormatReader().decode(binaryBitmap, hints);
        qrInfo = result.getText();
        return qrInfo;
    } catch (Exception e) {
        qrInfo = null;
        return qrInfo;
    }
}

Example 8 with BufferedImageLuminanceSource

use of com.google.zxing.client.j2se.BufferedImageLuminanceSource in project pancm_project by xuwujing.

the class QrCodeMaxTest method decode.

// qrcode 解码
static void decode(String file) {
    try {
        Result result = null;
        BufferedImage image = null;
        image = ImageIO.read(new File(file));
        LuminanceSource source = new BufferedImageLuminanceSource(image);
        BinaryBitmap bitmap = new BinaryBitmap(new HybridBinarizer(source));
        Hashtable<DecodeHintType, Object> hints = new Hashtable<DecodeHintType, Object>();
        hints.put(DecodeHintType.CHARACTER_SET, "UTF-8");
        result = new MultiFormatReader().decode(bitmap, hints);
        String rtn = result.getText();
        System.out.println(rtn);
        System.out.println(rtn.length());
    } catch (Exception ex) {
        System.out.println(ex.toString());
    }
}

Example 9 with BufferedImageLuminanceSource

use of com.google.zxing.client.j2se.BufferedImageLuminanceSource in project quick-media by liuyueyi.

the class QrCodeDeWrapper method decode.

public static String decode(BufferedImage image) throws FormatException, ChecksumException, NotFoundException {
    if (image == null) {
        throw new IllegalStateException("can not load qrCode!");
    }
    LuminanceSource source = new BufferedImageLuminanceSource(image);
    BinaryBitmap bitmap = new BinaryBitmap(new HybridBinarizer(source));
    // QRCodeReader qrCodeReader = new QRCodeReader();
    // Result result = qrCodeReader.decode(bitmap);
    Map<DecodeHintType, Object> hints = new LinkedHashMap<DecodeHintType, Object>();
    // 解码设置编码方式为：utf-8，
    hints.put(DecodeHintType.CHARACTER_SET, "utf-8");
    // 优化精度
    hints.put(DecodeHintType.TRY_HARDER, Boolean.TRUE);
    // 复杂模式，开启PURE_BARCODE模式
    hints.put(DecodeHintType.PURE_BARCODE, Boolean.TRUE);
    Result result = new MultiFormatReader().decode(bitmap, hints);
    return result.getText();
}

Example 10 with BufferedImageLuminanceSource

use of com.google.zxing.client.j2se.BufferedImageLuminanceSource in project tephra by heisedebaise.

the class QrCodeImpl method read.

@Override
public String read(InputStream inputStream) {
    try {
        String string = reader.decode(new BinaryBitmap(new HybridBinarizer(new BufferedImageLuminanceSource(ImageIO.read(inputStream))))).getText();
        inputStream.close();
        return string;
    } catch (Throwable e) {
        logger.warn(e, "读取二维码图片内容时发生异常！");
        return null;
    }
}