Type</th>
<th class="colLast" scope="col">Method and Description</th>
</tr>
<tr id="i0" class="altColor">
<td class="colFirst"><code><a href="../../../com/google/zxing/LuminanceSource.html" title="class in com.google.zxing">LuminanceSource</a></code></td>
<td class="colLast"><code><span class="memberNameLink"><a href="../../../com/google/zxing/RGBLuminanceSource.html#crop-int-int-int-int-">crop</a></span>(int&nbsp;left,
    int&nbsp;top,
    int&nbsp;width,
    int&nbsp;height)</code>
<div class="block">Ret