nbsp;getBlackRow(int&nbsp;y,
                            <a href="../../../com/google/zxing/common/BitArray.html" title="class in com.google.zxing.common">BitArray</a>&nbsp;row)
                     throws <a href="../../../com/google/zxing/NotFoundException.html" title="class in com.google.zxing">NotFoundException</a></pre>
<div class="block">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 a