public BitArray getBlackRow ( int y , BitArray row ) throws NotFoundException { return binarizer . getBlackRow ( y , row ) ; }
Converts one row of luminance data to 1 bit data . May actually do the conversion or return cached data . Callers should assume this method is expensive and call it as seldom as possible . This method is intended for decoding 1D barcodes and may choose to apply sharpening .