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

Example 1 with PlanarYUVLuminanceSource

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

the class DecodeUtils method decodeWithZxing.

public String decodeWithZxing(byte[] data, int width, int height, Rect crop) {
    MultiFormatReader multiFormatReader = new MultiFormatReader();
    multiFormatReader.setHints(changeZXingDecodeDataMode());
    Result rawResult = null;
    PlanarYUVLuminanceSource source = new PlanarYUVLuminanceSource(data, width, height, crop.left, crop.top, crop.width(), crop.height(), false);
    if (source != null) {
        BinaryBitmap bitmap = new BinaryBitmap(new HybridBinarizer(source));
        try {
            rawResult = multiFormatReader.decodeWithState(bitmap);
        } catch (ReaderException re) {
        // continue
        } finally {
            multiFormatReader.reset();
        }
    }
    return rawResult != null ? rawResult.getText() : null;
}

Example 2 with PlanarYUVLuminanceSource

use of com.google.zxing.PlanarYUVLuminanceSource 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 3 with PlanarYUVLuminanceSource

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

the class ZXingView method processData.

@Override
public String processData(byte[] data, int width, int height, boolean isRetry) {
    String result = null;
    Result rawResult = null;
    try {
        PlanarYUVLuminanceSource source = null;
        Rect rect = mScanBoxView.getScanBoxAreaRect(height);
        if (rect != null) {
            source = new PlanarYUVLuminanceSource(data, width, height, rect.left, rect.top, rect.width(), rect.height(), false);
        } else {
            source = new PlanarYUVLuminanceSource(data, width, height, 0, 0, width, height, false);
        }
        rawResult = mMultiFormatReader.decodeWithState(new BinaryBitmap(new HybridBinarizer(source)));
    } catch (Exception e) {
        e.printStackTrace();
    } finally {
        mMultiFormatReader.reset();
    }
    if (rawResult != null) {
        result = rawResult.getText();
    }
    return result;
}

Example 4 with PlanarYUVLuminanceSource

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

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();
    Camera.Size size = activity.getCameraManager().getPreviewSize();
    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];
    }
    int tmp = size.width;
    size.width = size.height;
    size.height = tmp;
    String resultStr = null;
    Rect cropRect = activity.getCropRect();
    if (null == cropRect) {
        activity.initCrop();
    }
    cropRect = activity.getCropRect();
    TLog.d(TAG, cropRect.toString());
    mDecodeUtils.setDataMode(activity.getDataMode());
    String zbarStr = mDecodeUtils.decodeWithZbar(rotatedData, size.width, size.height, cropRect);
    String zxingStr = mDecodeUtils.decodeWithZxing(rotatedData, size.width, size.height, cropRect);
    if (!TextUtils.isEmpty(zbarStr)) {
        mDecodeMode = DecodeUtils.DECODE_MODE_ZBAR;
        resultStr = zbarStr;
    } else if (!TextUtils.isEmpty(zxingStr)) {
        mDecodeMode = DecodeUtils.DECODE_MODE_ZXING;
        resultStr = zxingStr;
    }
    Handler handler = activity.getHandler();
    if (!TextUtils.isEmpty(resultStr)) {
        long end = System.currentTimeMillis();
        if (handler != null) {
            Message message = Message.obtain(handler, Constants.ID_DECODE_SUCCESS, resultStr);
            Bundle bundle = new Bundle();
            PlanarYUVLuminanceSource source = new PlanarYUVLuminanceSource(rotatedData, size.width, size.height, cropRect.left, cropRect.top, cropRect.width(), cropRect.height(), false);
            bundle.putInt(DecodeThread.DECODE_MODE, mDecodeMode);
            bundle.putString(DecodeThread.DECODE_TIME, (end - start) + "ms");
            bundleThumbnail(source, bundle);
            message.setData(bundle);
            message.sendToTarget();
        }
    } else {
        if (handler != null) {
            Message message = Message.obtain(handler, Constants.ID_DECODE_FAILED);
            message.sendToTarget();
        }
    }
}

Example 5 with PlanarYUVLuminanceSource

use of com.google.zxing.PlanarYUVLuminanceSource in project barcodescanner by dm77.

the class ZXingScannerView method onPreviewFrame.

@Override
public void onPreviewFrame(byte[] data, Camera camera) {
    if (mResultHandler == null) {
        return;
    }
    try {
        Camera.Parameters parameters = camera.getParameters();
        Camera.Size size = parameters.getPreviewSize();
        int width = size.width;
        int height = size.height;
        if (DisplayUtils.getScreenOrientation(getContext()) == Configuration.ORIENTATION_PORTRAIT) {
            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;
            data = rotatedData;
        }
        Result rawResult = null;
        PlanarYUVLuminanceSource source = buildLuminanceSource(data, width, height);
        if (source != null) {
            BinaryBitmap bitmap = new BinaryBitmap(new HybridBinarizer(source));
            try {
                rawResult = mMultiFormatReader.decodeWithState(bitmap);
            } catch (ReaderException re) {
            // continue
            } catch (NullPointerException npe) {
            // This is terrible
            } catch (ArrayIndexOutOfBoundsException aoe) {
            } finally {
                mMultiFormatReader.reset();
            }
        }
        final Result finalRawResult = rawResult;
        if (finalRawResult != null) {
            Handler handler = new Handler(Looper.getMainLooper());
            handler.post(new Runnable() {

                @Override
                public void run() {
                    // Stopping the preview can take a little long.
                    // So we want to set result handler to null to discard subsequent calls to
                    // onPreviewFrame.
                    ResultHandler tmpResultHandler = mResultHandler;
                    mResultHandler = null;
                    stopCameraPreview();
                    if (tmpResultHandler != null) {
                        tmpResultHandler.handleResult(finalRawResult);
                    }
                }
            });
        } else {
            camera.setOneShotPreviewCallback(this);
        }
    } catch (RuntimeException e) {
        // TODO: Terrible hack. It is possible that this method is invoked after camera is released.
        Log.e(TAG, e.toString(), e);
    }
}