Examples with BinaryBitmap com.google.zxing.BinaryBitmap used on opensource projects

Example 16 with BinaryBitmap

use of com.google.zxing.BinaryBitmap in project pancm_project by xuwujing.

the class QrCodeCreateUtil method readQrCode.

/**
 * 读二维码并输出携带的信息
 */
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 17 with BinaryBitmap

use of com.google.zxing.BinaryBitmap in project elastic-core-maven by OrdinaryDude.

the class DecodeQRCode method processRequest.

@Override
protected JSONStreamAware processRequest(HttpServletRequest request) throws NxtException {
    String qrCodeBase64 = Convert.nullToEmpty(request.getParameter("qrCodeBase64"));
    JSONObject response = new JSONObject();
    try {
        BinaryBitmap binaryBitmap = new BinaryBitmap(new HybridBinarizer(new BufferedImageLuminanceSource(ImageIO.read(new ByteArrayInputStream(Base64.getDecoder().decode(qrCodeBase64))))));
        Map hints = new HashMap();
        hints.put(DecodeHintType.POSSIBLE_FORMATS, EnumSet.of(BarcodeFormat.QR_CODE));
        hints.put(DecodeHintType.CHARACTER_SET, "UTF-8");
        Result qrCodeData = new MultiFormatReader().decode(binaryBitmap, hints);
        response.put("qrCodeData", qrCodeData.getText());
    } catch (IOException ex) {
        String errorMessage = "Error reading base64 byte stream";
        Logger.logErrorMessage(errorMessage, ex);
        JSONData.putException(response, ex, errorMessage);
    } catch (NullPointerException ex) {
        String errorMessage = "Invalid base64 image";
        Logger.logErrorMessage(errorMessage, ex);
        JSONData.putException(response, ex, errorMessage);
    } catch (NotFoundException ex) {
        response.put("qrCodeData", "");
    }
    return response;
}

Example 18 with BinaryBitmap

use of com.google.zxing.BinaryBitmap in project RxTools by vondear.

the class RxQrBarTool method decodeFromPhoto.

/**
 * 解析图片中的 二维码 或者 条形码
 *
 * @param photo 待解析的图片
 * @return Result 解析结果，解析识别时返回NULL
 */
public static Result decodeFromPhoto(Bitmap photo) {
    Result rawResult = null;
    if (photo != null) {
        // 为防止原始图片过大导致内存溢出，这里先缩小原图显示，然后释放原始Bitmap占用的内存
        Bitmap smallBitmap = RxImageTool.zoomBitmap(photo, photo.getWidth() / 2, photo.getHeight() / 2);
        // 释放原始图片占用的内存，防止out of memory异常发生
        photo.recycle();
        MultiFormatReader multiFormatReader = new MultiFormatReader();
        // 解码的参数
        Hashtable<DecodeHintType, Object> hints = new Hashtable<>(2);
        // 可以解析的编码类型
        Vector<BarcodeFormat> decodeFormats = new Vector<>();
        if (decodeFormats.isEmpty()) {
            decodeFormats = new Vector<>();
            Vector<BarcodeFormat> PRODUCT_FORMATS = new Vector<>(5);
            PRODUCT_FORMATS.add(BarcodeFormat.UPC_A);
            PRODUCT_FORMATS.add(BarcodeFormat.UPC_E);
            PRODUCT_FORMATS.add(BarcodeFormat.EAN_13);
            PRODUCT_FORMATS.add(BarcodeFormat.EAN_8);
            // PRODUCT_FORMATS.add(BarcodeFormat.RSS14);
            Vector<BarcodeFormat> ONE_D_FORMATS = new Vector<>(PRODUCT_FORMATS.size() + 4);
            ONE_D_FORMATS.addAll(PRODUCT_FORMATS);
            ONE_D_FORMATS.add(BarcodeFormat.CODE_39);
            ONE_D_FORMATS.add(BarcodeFormat.CODE_93);
            ONE_D_FORMATS.add(BarcodeFormat.CODE_128);
            ONE_D_FORMATS.add(BarcodeFormat.ITF);
            Vector<BarcodeFormat> QR_CODE_FORMATS = new Vector<>(1);
            QR_CODE_FORMATS.add(BarcodeFormat.QR_CODE);
            Vector<BarcodeFormat> DATA_MATRIX_FORMATS = new Vector<>(1);
            DATA_MATRIX_FORMATS.add(BarcodeFormat.DATA_MATRIX);
            // 这里设置可扫描的类型，我这里选择了都支持
            decodeFormats.addAll(ONE_D_FORMATS);
            decodeFormats.addAll(QR_CODE_FORMATS);
            decodeFormats.addAll(DATA_MATRIX_FORMATS);
        }
        hints.put(DecodeHintType.POSSIBLE_FORMATS, decodeFormats);
        // 设置继续的字符编码格式为UTF8
        // hints.put(DecodeHintType.CHARACTER_SET, "UTF8");
        // 设置解析配置参数
        multiFormatReader.setHints(hints);
        // 开始对图像资源解码
        try {
            rawResult = multiFormatReader.decodeWithState(new BinaryBitmap(new HybridBinarizer(new BitmapLuminanceSource(smallBitmap))));
        } catch (Exception e) {
            e.printStackTrace();
        }
    }
    return rawResult;
}

Example 19 with BinaryBitmap

use of com.google.zxing.BinaryBitmap in project portal by ixinportal.

the class parseQRCodeTool method parseQRCode.

public static String[] parseQRCode(InputStream imageInputStream) throws Exception {
    BufferedImage image = ImageIO.read(imageInputStream);
    LuminanceSource source = new BufferedImageLuminanceSource(image);
    Binarizer binarizer = new HybridBinarizer(source);
    BinaryBitmap binaryBitmap = new BinaryBitmap(binarizer);
    Map<DecodeHintType, Object> hints = new HashMap<>();
    hints.put(DecodeHintType.CHARACTER_SET, "UTF-8");
    MultiFormatReader formatReader = new MultiFormatReader();
    Result result = formatReader.decode(binaryBitmap, hints);
    String[] eInvoiceInfo = getEinvoiceInfo(result.getText());
    return eInvoiceInfo;
}

Example 20 with BinaryBitmap

use of com.google.zxing.BinaryBitmap in project react-native-camera by react-native-community.

the class BarCodeScannerAsyncTask method doInBackground.

@Override
protected Result doInBackground(Void... ignored) {
    if (isCancelled() || mDelegate == null) {
        return null;
    }
    Result result = null;
    try {
        BinaryBitmap bitmap = generateBitmapFromImageData(mImageData, mWidth, mHeight);
        result = mMultiFormatReader.decodeWithState(bitmap);
    } catch (NotFoundException e) {
    // No barcode found, result is already null.
    } catch (Throwable t) {
        t.printStackTrace();
    }
    return result;
}