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

Example 66 with BinaryBitmap

use of com.google.zxing.BinaryBitmap in project silverblog_android by SilverBlogTeam.

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;
    // modify here
    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];
    }
    // Here we are swapping, that's the difference to #11
    int tmp = width;
    width = height;
    height = tmp;
    PlanarYUVLuminanceSource source = CameraManager.get().buildLuminanceSource(rotatedData, width, height);
    BinaryBitmap bitmap = new BinaryBitmap(new HybridBinarizer(source));
    try {
        rawResult = multiFormatReader.decodeWithState(bitmap);
    } catch (ReaderException re) {
    // continue
    } finally {
        multiFormatReader.reset();
    }
    if (rawResult != null) {
        long end = System.currentTimeMillis();
        Log.d(TAG, "Found barcode (" + (end - start) + " ms):\n" + rawResult.toString());
        Message message = Message.obtain(activity.getHandler(), R.id.decode_succeeded, rawResult);
        Bundle bundle = new Bundle();
        bundle.putParcelable(DecodeThread.BARCODE_BITMAP, source.renderCroppedGreyscaleBitmap());
        message.setData(bundle);
        // Log.d(TAG, "Sending decode succeeded message...");
        message.sendToTarget();
    } else {
        Message message = Message.obtain(activity.getHandler(), R.id.decode_failed);
        message.sendToTarget();
    }
}

Example 67 with BinaryBitmap

use of com.google.zxing.BinaryBitmap in project BlogSource by TeachCourse.

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) {
    Size size = activity.getCameraManager().getPreviewSize();
    // 这里需要将获取的data翻转一下，因为相机默认拿的的横屏的数据
    byte[] rotatedData = new byte[data.length];
    for (int y = 0; y < size.height; y++) {
        for (int x = 0; x < size.width; x++) rotatedData[x * size.height + size.height - y - 1] = data[x + y * size.width];
    }
    // 宽高也要调整
    int tmp = size.width;
    size.width = size.height;
    size.height = tmp;
    Result rawResult = null;
    PlanarYUVLuminanceSource source = buildLuminanceSource(rotatedData, size.width, size.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.
        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 68 with BinaryBitmap

use of com.google.zxing.BinaryBitmap in project SimplifyReader by chentao0707.

the class DecodeUtils method decodeWithZxing.

public String decodeWithZxing(Bitmap bitmap) {
    MultiFormatReader multiFormatReader = new MultiFormatReader();
    multiFormatReader.setHints(changeZXingDecodeDataMode());
    int width = bitmap.getWidth();
    int height = bitmap.getHeight();
    int[] pixels = new int[width * height];
    bitmap.getPixels(pixels, 0, width, 0, 0, width, height);
    Result rawResult = null;
    RGBLuminanceSource source = new RGBLuminanceSource(width, height, pixels);
    if (source != null) {
        BinaryBitmap binaryBitmap = new BinaryBitmap(new HybridBinarizer(source));
        try {
            rawResult = multiFormatReader.decodeWithState(binaryBitmap);
        } catch (ReaderException re) {
        // continue
        } finally {
            multiFormatReader.reset();
        }
    }
    return rawResult != null ? rawResult.getText() : null;
}

Example 69 with BinaryBitmap

use of com.google.zxing.BinaryBitmap in project zxing-lib by kennydude.

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);
    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();
            Bitmap grayscaleBitmap = toBitmap(source, source.renderCroppedGreyscaleBitmap());
            bundle.putParcelable(DecodeThread.BARCODE_BITMAP, grayscaleBitmap);
            message.setData(bundle);
            message.sendToTarget();
        }
    } else {
        if (handler != null) {
            Message message = Message.obtain(handler, R.id.decode_failed);
            message.sendToTarget();
        }
    }
}

Example 70 with BinaryBitmap

use of com.google.zxing.BinaryBitmap in project incubator-weex by apache.

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;
}