   int&nbsp;c)</pre>
<div class="block">The Paeth predictor routine used in PNG encoding.  This routine
 is included as a convenience to subclasses that override the
 <code>filterRow</code> method.</div>
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<h4>filterRow</h4>
<pre class="methodSignature">public&nbsp;int&nbsp;filterRow&#8203;(byte[]&nbsp;currRow,
                     byte[]&nbsp;prevRow,
                     byte[][]&