</a></code>&nbsp;in class&nbsp;<code><a href="../../../com/google/zxing/LuminanceSource.html" title="class in com.google.zxing">LuminanceSource</a></code></dd>
<dt><span class="paramLabel">Parameters:</span></dt>
<dd><code>y</code> - The row to fetch, which must be in [0,getHeight())</dd>
<dd><code>row</code> - An optional preallocated array. If null or too small, it will be ignored.
            Always use the returned object, and ignore the .length of the array.</dd>
<dt><span class="returnLabel">Returns:<