public List<ResultPoint> getTransformedResultPoints() {
        if (this.mResult.getResultPoints() == null) {
            return Collections.emptyList();
        }
        return transformResultPoints(Arrays.asList(this.mResult.getResultPoints()), this.sourceData);
    }
@return {@link Bitmap} with barcode preview
@see #getBitmapWithResultPoints(int)
zxing-android-embedded/src/com/journeyapps/barcodescanner/BarcodeResult.java