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

Example 11 with BinaryBitmap

use of com.google.zxing.BinaryBitmap in project weex-example by KalicyZhou.

the class ByQuadrantReader method decode.

@Override
public Result decode(BinaryBitmap image, Map<DecodeHintType, ?> hints) throws NotFoundException, ChecksumException, FormatException {
    int width = image.getWidth();
    int height = image.getHeight();
    int halfWidth = width / 2;
    int halfHeight = height / 2;
    try {
        // No need to call makeAbsolute as results will be relative to original top left here
        return delegate.decode(image.crop(0, 0, halfWidth, halfHeight), hints);
    } catch (NotFoundException re) {
    // continue
    }
    try {
        Result result = delegate.decode(image.crop(halfWidth, 0, halfWidth, halfHeight), hints);
        makeAbsolute(result.getResultPoints(), halfWidth, 0);
        return result;
    } catch (NotFoundException re) {
    // continue
    }
    try {
        Result result = delegate.decode(image.crop(0, halfHeight, halfWidth, halfHeight), hints);
        makeAbsolute(result.getResultPoints(), 0, halfHeight);
        return result;
    } catch (NotFoundException re) {
    // continue
    }
    try {
        Result result = delegate.decode(image.crop(halfWidth, halfHeight, halfWidth, halfHeight), hints);
        makeAbsolute(result.getResultPoints(), halfWidth, halfHeight);
        return result;
    } catch (NotFoundException re) {
    // continue
    }
    int quarterWidth = halfWidth / 2;
    int quarterHeight = halfHeight / 2;
    BinaryBitmap center = image.crop(quarterWidth, quarterHeight, halfWidth, halfHeight);
    Result result = delegate.decode(center, hints);
    makeAbsolute(result.getResultPoints(), quarterWidth, quarterHeight);
    return result;
}

Example 12 with BinaryBitmap

use of com.google.zxing.BinaryBitmap in project weex-example by KalicyZhou.

the class DecodeHandler method decode.

/**
   * Decode the data within the viewfinder rectangle, and time how long it took. For efficiency,
   * reuse the same reader objects from one decode to the next.
   *
   * @param data   The YUV preview frame.
   * @param width  The width of the preview frame.
   * @param height The height of the preview frame.
   */
private void decode(byte[] data, int width, int height) {
    long start = System.currentTimeMillis();
    Result rawResult = null;
    //    PlanarYUVLuminanceSource source = activity.getCameraManager().buildLuminanceSource(data, width, height);
    byte[] rotatedData = new byte[data.length];
    for (int y = 0; y < height; y++) {
        for (int x = 0; x < width; x++) rotatedData[x * height + height - y - 1] = data[x + y * width];
    }
    int tmp = width;
    width = height;
    height = tmp;
    PlanarYUVLuminanceSource source = activity.getCameraManager().buildLuminanceSource(rotatedData, width, height);
    if (source != null) {
        BinaryBitmap bitmap = new BinaryBitmap(new HybridBinarizer(source));
        try {
            rawResult = multiFormatReader.decodeWithState(bitmap);
        } catch (ReaderException re) {
        // continue
        } finally {
            multiFormatReader.reset();
        }
    }
    Handler handler = activity.getHandler();
    if (rawResult != null) {
        // Don't log the barcode contents for security.
        long end = System.currentTimeMillis();
        Log.d(TAG, "Found barcode in " + (end - start) + " ms");
        if (handler != null) {
            Message message = Message.obtain(handler, R.id.decode_succeeded, rawResult);
            Bundle bundle = new Bundle();
            bundleThumbnail(source, bundle);
            message.setData(bundle);
            message.sendToTarget();
        }
    } else {
        if (handler != null) {
            Message message = Message.obtain(handler, R.id.decode_failed);
            message.sendToTarget();
        }
    }
}

Example 13 with BinaryBitmap

use of com.google.zxing.BinaryBitmap in project BGAQRCode-Android by bingoogolapple.

the class QRCodeDecoder method syncDecodeQRCode.

/**
     * 同步解析bitmap二维码。该方法是耗时操作，请在子线程中调用。
     *
     * @param bitmap 要解析的二维码图片
     * @return 返回二维码图片里的内容 或 null
     */
public static String syncDecodeQRCode(Bitmap bitmap) {
    Result result = null;
    RGBLuminanceSource source = null;
    try {
        int width = bitmap.getWidth();
        int height = bitmap.getHeight();
        int[] pixels = new int[width * height];
        bitmap.getPixels(pixels, 0, width, 0, 0, width, height);
        source = new RGBLuminanceSource(width, height, pixels);
        result = new MultiFormatReader().decode(new BinaryBitmap(new HybridBinarizer(source)), HINTS);
        return result.getText();
    } catch (Exception e) {
        e.printStackTrace();
        if (source != null) {
            try {
                result = new MultiFormatReader().decode(new BinaryBitmap(new GlobalHistogramBinarizer(source)), HINTS);
                return result.getText();
            } catch (Throwable e2) {
                e2.printStackTrace();
            }
        }
        return null;
    }
}

Example 14 with BinaryBitmap

use of com.google.zxing.BinaryBitmap in project hutool by looly.

the class QrCodeUtil method decode.

/**
 * 将二维码图片解码为文本
 *
 * @param image {@link Image} 二维码图片
 * @return 解码后的文本
 */
public static String decode(Image image) {
    final MultiFormatReader formatReader = new MultiFormatReader();
    final LuminanceSource source = new BufferedImageLuminanceSource(ImageUtil.toBufferedImage(image));
    final Binarizer binarizer = new HybridBinarizer(source);
    final BinaryBitmap binaryBitmap = new BinaryBitmap(binarizer);
    final HashMap<DecodeHintType, Object> hints = new HashMap<>();
    hints.put(DecodeHintType.CHARACTER_SET, CharsetUtil.UTF_8);
    Result result;
    try {
        result = formatReader.decode(binaryBitmap, hints);
    } catch (NotFoundException e) {
        throw new QrCodeException(e);
    }
    return result.getText();
}

Example 15 with BinaryBitmap

use of com.google.zxing.BinaryBitmap in project android-zxing by PearceXu.

the class ByQuadrantReader method decode.

@Override
public Result decode(BinaryBitmap image, Map<DecodeHintType, ?> hints) throws NotFoundException, ChecksumException, FormatException {
    int width = image.getWidth();
    int height = image.getHeight();
    int halfWidth = width / 2;
    int halfHeight = height / 2;
    try {
        // No need to call makeAbsolute as results will be relative to original top left here
        return delegate.decode(image.crop(0, 0, halfWidth, halfHeight), hints);
    } catch (NotFoundException re) {
    // continue
    }
    try {
        Result result = delegate.decode(image.crop(halfWidth, 0, halfWidth, halfHeight), hints);
        makeAbsolute(result.getResultPoints(), halfWidth, 0);
        return result;
    } catch (NotFoundException re) {
    // continue
    }
    try {
        Result result = delegate.decode(image.crop(0, halfHeight, halfWidth, halfHeight), hints);
        makeAbsolute(result.getResultPoints(), 0, halfHeight);
        return result;
    } catch (NotFoundException re) {
    // continue
    }
    try {
        Result result = delegate.decode(image.crop(halfWidth, halfHeight, halfWidth, halfHeight), hints);
        makeAbsolute(result.getResultPoints(), halfWidth, halfHeight);
        return result;
    } catch (NotFoundException re) {
    // continue
    }
    int quarterWidth = halfWidth / 2;
    int quarterHeight = halfHeight / 2;
    BinaryBitmap center = image.crop(quarterWidth, quarterHeight, halfWidth, halfHeight);
    Result result = delegate.decode(center, hints);
    makeAbsolute(result.getResultPoints(), quarterWidth, quarterHeight);
    return result;
}