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<h4>isGammaSet</h4>
<pre class="methodSignature">public&nbsp;boolean&nbsp;isGammaSet()</pre>
<div class="block">Returns true if a 'gAMA' chunk will be output.</div>
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<h4>setPaletteHistogram</h4>
<pre class="methodSignature">public&nbsp;void&nbsp;setPaletteHistogram&#8203;(int[]&nbsp;paletteHistogram)</pre>
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