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<h2 title="Class mxPngEncodeParam.Palette" class="title">Class mxPngEncodeParam.Palette</h2>
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<li>java.lang.Object</li>
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<li><a href="../../../../com/mxgraph/util/png/mxPngEncodeParam.html" title="class in com.mxgraph.util.png">com.mxgraph.util.png.mxPngEncodeParam</a></li>
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<li>com.mxgraph.util.png.mxPngEncodeParam.Palette</li>
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<pre>public static class <span class="typeNameLabel">mxPngEncodeParam.Palette</span>
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extends <a href="../../../../com/mxgraph/util/png/mxPngEncodeParam.html" title="class in com.mxgraph.util.png">mxPngEncodeParam</a></pre>
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<code><a href="../../../../com/mxgraph/util/png/mxPngEncodeParam.Gray.html" title="class in com.mxgraph.util.png">mxPngEncodeParam.Gray</a>, <a href="../../../../com/mxgraph/util/png/mxPngEncodeParam.Palette.html" title="class in com.mxgraph.util.png">mxPngEncodeParam.Palette</a>, <a href="../../../../com/mxgraph/util/png/mxPngEncodeParam.RGB.html" title="class in com.mxgraph.util.png">mxPngEncodeParam.RGB</a></code></li>
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<h3>Fields inherited from class com.mxgraph.util.png.<a href="../../../../com/mxgraph/util/png/mxPngEncodeParam.html" title="class in com.mxgraph.util.png">mxPngEncodeParam</a></h3>
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<code><a href="../../../../com/mxgraph/util/png/mxPngEncodeParam.html#bitDepth">bitDepth</a>, <a href="../../../../com/mxgraph/util/png/mxPngEncodeParam.html#bitDepthSet">bitDepthSet</a>, <a href="../../../../com/mxgraph/util/png/mxPngEncodeParam.html#INTENT_ABSOLUTE">INTENT_ABSOLUTE</a>, <a href="../../../../com/mxgraph/util/png/mxPngEncodeParam.html#INTENT_PERCEPTUAL">INTENT_PERCEPTUAL</a>, <a href="../../../../com/mxgraph/util/png/mxPngEncodeParam.html#INTENT_RELATIVE">INTENT_RELATIVE</a>, <a href="../../../../com/mxgraph/util/png/mxPngEncodeParam.html#INTENT_SATURATION">INTENT_SATURATION</a>, <a href="../../../../com/mxgraph/util/png/mxPngEncodeParam.html#PNG_FILTER_AVERAGE">PNG_FILTER_AVERAGE</a>, <a href="../../../../com/mxgraph/util/png/mxPngEncodeParam.html#PNG_FILTER_NONE">PNG_FILTER_NONE</a>, <a href="../../../../com/mxgraph/util/png/mxPngEncodeParam.html#PNG_FILTER_PAETH">PNG_FILTER_PAETH</a>, <a href="../../../../com/mxgraph/util/png/mxPngEncodeParam.html#PNG_FILTER_SUB">PNG_FILTER_SUB</a>, <a href="../../../../com/mxgraph/util/png/mxPngEncodeParam.html#PNG_FILTER_UP">PNG_FILTER_UP</a></code></li>
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<caption><span>Constructors</span><span class="tabEnd"> </span></caption>
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<tr>
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<th class="colOne" scope="col">Constructor and Description</th>
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</tr>
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<tr class="altColor">
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<td class="colOne"><code><span class="memberNameLink"><a href="../../../../com/mxgraph/util/png/mxPngEncodeParam.Palette.html#Palette--">Palette</a></span>()</code>
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<div class="block">Constructs an instance of <code>PNGEncodeParam.Palette</code>.</div>
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<h3>Method Summary</h3>
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<table class="memberSummary" border="0" cellpadding="3" cellspacing="0" summary="Method Summary table, listing methods, and an explanation">
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<caption><span id="t0" class="activeTableTab"><span>All Methods</span><span class="tabEnd"> </span></span><span id="t2" class="tableTab"><span><a href="javascript:show(2);">Instance Methods</a></span><span class="tabEnd"> </span></span><span id="t4" class="tableTab"><span><a href="javascript:show(8);">Concrete Methods</a></span><span class="tabEnd"> </span></span></caption>
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<tr>
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<th class="colFirst" scope="col">Modifier and Type</th>
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<th class="colLast" scope="col">Method and Description</th>
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</tr>
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<tr id="i0" class="altColor">
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<td class="colFirst"><code>int</code></td>
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<td class="colLast"><code><span class="memberNameLink"><a href="../../../../com/mxgraph/util/png/mxPngEncodeParam.Palette.html#getBackgroundPaletteIndex--">getBackgroundPaletteIndex</a></span>()</code>
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<div class="block">Returns the palette index of the suggested background color.</div>
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</td>
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</tr>
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<tr id="i1" class="rowColor">
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<td class="colFirst"><code>int[]</code></td>
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<td class="colLast"><code><span class="memberNameLink"><a href="../../../../com/mxgraph/util/png/mxPngEncodeParam.Palette.html#getPalette--">getPalette</a></span>()</code>
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<div class="block">Returns the current RGB palette.</div>
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</td>
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</tr>
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<tr id="i2" class="altColor">
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<td class="colFirst"><code>byte[]</code></td>
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<td class="colLast"><code><span class="memberNameLink"><a href="../../../../com/mxgraph/util/png/mxPngEncodeParam.Palette.html#getPaletteTransparency--">getPaletteTransparency</a></span>()</code>
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<div class="block">Returns the alpha values associated with each palette entry.</div>
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</td>
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</tr>
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<tr id="i3" class="rowColor">
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<td class="colFirst"><code>boolean</code></td>
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<td class="colLast"><code><span class="memberNameLink"><a href="../../../../com/mxgraph/util/png/mxPngEncodeParam.Palette.html#isBackgroundSet--">isBackgroundSet</a></span>()</code>
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<div class="block">Returns true if a 'bKGD' chunk will be output.</div>
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</td>
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</tr>
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<tr id="i4" class="altColor">
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<td class="colFirst"><code>boolean</code></td>
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<td class="colLast"><code><span class="memberNameLink"><a href="../../../../com/mxgraph/util/png/mxPngEncodeParam.Palette.html#isPaletteSet--">isPaletteSet</a></span>()</code>
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<div class="block">Returns true if a 'PLTE' chunk will be output.</div>
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</td>
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</tr>
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<tr id="i5" class="rowColor">
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<td class="colFirst"><code>void</code></td>
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<td class="colLast"><code><span class="memberNameLink"><a href="../../../../com/mxgraph/util/png/mxPngEncodeParam.Palette.html#setBackgroundPaletteIndex-int-">setBackgroundPaletteIndex</a></span>(int index)</code>
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<div class="block">Sets the palette index of the suggested background color.</div>
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</td>
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</tr>
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<tr id="i6" class="altColor">
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<td class="colFirst"><code>void</code></td>
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<td class="colLast"><code><span class="memberNameLink"><a href="../../../../com/mxgraph/util/png/mxPngEncodeParam.Palette.html#setBitDepth-int-">setBitDepth</a></span>(int bitDepth)</code>
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<div class="block">Sets the desired bit depth for a palette image.</div>
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</td>
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</tr>
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<tr id="i7" class="rowColor">
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<td class="colFirst"><code>void</code></td>
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<td class="colLast"><code><span class="memberNameLink"><a href="../../../../com/mxgraph/util/png/mxPngEncodeParam.Palette.html#setPalette-int:A-">setPalette</a></span>(int[] rgb)</code>
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<div class="block">Sets the RGB palette of the image to be encoded.</div>
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</td>
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</tr>
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<tr id="i8" class="altColor">
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<td class="colFirst"><code>void</code></td>
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<td class="colLast"><code><span class="memberNameLink"><a href="../../../../com/mxgraph/util/png/mxPngEncodeParam.Palette.html#setPaletteTransparency-byte:A-">setPaletteTransparency</a></span>(byte[] alpha)</code>
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<div class="block">Sets the alpha values associated with each palette entry.</div>
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</td>
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</tr>
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<tr id="i9" class="rowColor">
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<td class="colFirst"><code>void</code></td>
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<td class="colLast"><code><span class="memberNameLink"><a href="../../../../com/mxgraph/util/png/mxPngEncodeParam.Palette.html#unsetBackground--">unsetBackground</a></span>()</code>
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<div class="block">Suppresses the 'bKGD' chunk from being output.</div>
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</td>
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</tr>
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<tr id="i10" class="altColor">
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<td class="colFirst"><code>void</code></td>
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<td class="colLast"><code><span class="memberNameLink"><a href="../../../../com/mxgraph/util/png/mxPngEncodeParam.Palette.html#unsetPalette--">unsetPalette</a></span>()</code>
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<div class="block">Suppresses the 'PLTE' chunk from being output.</div>
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</td>
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</tr>
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<h3>Methods inherited from class com.mxgraph.util.png.<a href="../../../../com/mxgraph/util/png/mxPngEncodeParam.html" title="class in com.mxgraph.util.png">mxPngEncodeParam</a></h3>
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<code><a href="../../../../com/mxgraph/util/png/mxPngEncodeParam.html#addPrivateChunk-java.lang.String-byte:A-">addPrivateChunk</a>, <a href="../../../../com/mxgraph/util/png/mxPngEncodeParam.html#filterRow-byte:A-byte:A-byte:A:A-int-int-">filterRow</a>, <a href="../../../../com/mxgraph/util/png/mxPngEncodeParam.html#getBitDepth--">getBitDepth</a>, <a href="../../../../com/mxgraph/util/png/mxPngEncodeParam.html#getChromaticity--">getChromaticity</a>, <a href="../../../../com/mxgraph/util/png/mxPngEncodeParam.html#getCompressedText--">getCompressedText</a>, <a href="../../../../com/mxgraph/util/png/mxPngEncodeParam.html#getDefaultEncodeParam-java.awt.image.RenderedImage-">getDefaultEncodeParam</a>, <a href="../../../../com/mxgraph/util/png/mxPngEncodeParam.html#getGamma--">getGamma</a>, <a href="../../../../com/mxgraph/util/png/mxPngEncodeParam.html#getICCProfileData--">getICCProfileData</a>, <a href="../../../../com/mxgraph/util/png/mxPngEncodeParam.html#getInterlacing--">getInterlacing</a>, <a href="../../../../com/mxgraph/util/png/mxPngEncodeParam.html#getModificationTime--">getModificationTime</a>, <a href="../../../../com/mxgraph/util/png/mxPngEncodeParam.html#getNumPrivateChunks--">getNumPrivateChunks</a>, <a href="../../../../com/mxgraph/util/png/mxPngEncodeParam.html#getPaletteHistogram--">getPaletteHistogram</a>, <a href="../../../../com/mxgraph/util/png/mxPngEncodeParam.html#getPhysicalDimension--">getPhysicalDimension</a>, <a href="../../../../com/mxgraph/util/png/mxPngEncodeParam.html#getPrivateChunkData-int-">getPrivateChunkData</a>, <a href="../../../../com/mxgraph/util/png/mxPngEncodeParam.html#getPrivateChunkType-int-">getPrivateChunkType</a>, <a href="../../../../com/mxgraph/util/png/mxPngEncodeParam.html#getSignificantBits--">getSignificantBits</a>, <a href="../../../../com/mxgraph/util/png/mxPngEncodeParam.html#getSRGBIntent--">getSRGBIntent</a>, <a href="../../../../com/mxgraph/util/png/mxPngEncodeParam.html#getText--">getText</a>, <a href="../../../../com/mxgraph/util/png/mxPngEncodeParam.html#isChromaticitySet--">isChromaticitySet</a>, <a href="../../../../com/mxgraph/util/png/mxPngEncodeParam.html#isCompressedTextSet--">isCompressedTextSet</a>, <a href="../../../../com/mxgraph/util/png/mxPngEncodeParam.html#isGammaSet--">isGammaSet</a>, <a href="../../../../com/mxgraph/util/png/mxPngEncodeParam.html#isICCProfileDataSet--">isICCProfileDataSet</a>, <a href="../../../../com/mxgraph/util/png/mxPngEncodeParam.html#isModificationTimeSet--">isModificationTimeSet</a>, <a href="../../../../com/mxgraph/util/png/mxPngEncodeParam.html#isPaletteHistogramSet--">isPaletteHistogramSet</a>, <a href="../../../../com/mxgraph/util/png/mxPngEncodeParam.html#isPhysicalDimensionSet--">isPhysicalDimensionSet</a>, <a href="../../../../com/mxgraph/util/png/mxPngEncodeParam.html#isSignificantBitsSet--">isSignificantBitsSet</a>, <a href="../../../../com/mxgraph/util/png/mxPngEncodeParam.html#isSRGBIntentSet--">isSRGBIntentSet</a>, <a href="../../../../com/mxgraph/util/png/mxPngEncodeParam.html#isSuggestedPaletteSet--">isSuggestedPaletteSet</a>, <a href="../../../../com/mxgraph/util/png/mxPngEncodeParam.html#isTextSet--">isTextSet</a>, <a href="../../../../com/mxgraph/util/png/mxPngEncodeParam.html#isTransparencySet--">isTransparencySet</a>, <a href="../../../../com/mxgraph/util/png/mxPngEncodeParam.html#paethPredictor-int-int-int-">paethPredictor</a>, <a href="../../../../com/mxgraph/util/png/mxPngEncodeParam.html#removeAllPrivateChunks--">removeAllPrivateChunks</a>, <a href="../../../../com/mxgraph/util/png/mxPngEncodeParam.html#removeUnsafeToCopyPrivateChunks--">removeUnsafeToCopyPrivateChunks</a>, <a href="../../../../com/mxgraph/util/png/mxPngEncodeParam.html#setChromaticity-float:A-">setChromaticity</a>, <a 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<code>clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait</code></li>
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<h4>Palette</h4>
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<pre>public Palette()</pre>
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<div class="block">Constructs an instance of <code>PNGEncodeParam.Palette</code>.</div>
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</li>
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<pre>public void unsetBackground()</pre>
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<div class="block">Suppresses the 'bKGD' chunk from being output.</div>
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<dl>
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<dt><span class="overrideSpecifyLabel">Overrides:</span></dt>
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<dd><code><a href="../../../../com/mxgraph/util/png/mxPngEncodeParam.html#unsetBackground--">unsetBackground</a></code> in class <code><a href="../../../../com/mxgraph/util/png/mxPngEncodeParam.html" title="class in com.mxgraph.util.png">mxPngEncodeParam</a></code></dd>
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<h4>isBackgroundSet</h4>
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<pre>public boolean isBackgroundSet()</pre>
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<div class="block">Returns true if a 'bKGD' chunk will be output.</div>
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<dl>
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<dt><span class="overrideSpecifyLabel">Overrides:</span></dt>
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<dd><code><a href="../../../../com/mxgraph/util/png/mxPngEncodeParam.html#isBackgroundSet--">isBackgroundSet</a></code> in class <code><a href="../../../../com/mxgraph/util/png/mxPngEncodeParam.html" title="class in com.mxgraph.util.png">mxPngEncodeParam</a></code></dd>
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<h4>setBitDepth</h4>
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<pre>public void setBitDepth(int bitDepth)</pre>
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<div class="block">Sets the desired bit depth for a palette image. The bit
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depth must be one of 1, 2, 4, or 8, or else an
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<code>IllegalArgumentException</code> will be thrown.</div>
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<dl>
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<dt><span class="overrideSpecifyLabel">Specified by:</span></dt>
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<dd><code><a href="../../../../com/mxgraph/util/png/mxPngEncodeParam.html#setBitDepth-int-">setBitDepth</a></code> in class <code><a href="../../../../com/mxgraph/util/png/mxPngEncodeParam.html" title="class in com.mxgraph.util.png">mxPngEncodeParam</a></code></dd>
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<h4>setPalette</h4>
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<pre>public void setPalette(int[] rgb)</pre>
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<div class="block">Sets the RGB palette of the image to be encoded.
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The <code>rgb</code> parameter contains alternating
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R, G, B values for each color index used in the image.
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The number of elements must be a multiple of 3 between
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3 and 3*256.
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<p> The 'PLTE' chunk will encode this information.</div>
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<dl>
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<dt><span class="paramLabel">Parameters:</span></dt>
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<dd><code>rgb</code> - An array of <code>int</code>s.</dd>
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<h4>getPalette</h4>
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<pre>public int[] getPalette()</pre>
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<div class="block">Returns the current RGB palette.
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<p> If the palette has not previously been set, or has been
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unset, an <code>IllegalStateException</code> will be thrown.</div>
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<dl>
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<dt><span class="returnLabel">Returns:</span></dt>
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<dd>An array of <code>int</code>s.</dd>
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<dt><span class="throwsLabel">Throws:</span></dt>
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<dd><code>java.lang.IllegalStateException</code> - if the palette is not set.</dd>
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</dl>
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<h4>unsetPalette</h4>
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<pre>public void unsetPalette()</pre>
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<div class="block">Suppresses the 'PLTE' chunk from being output.</div>
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</li>
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<h4>isPaletteSet</h4>
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<pre>public boolean isPaletteSet()</pre>
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<div class="block">Returns true if a 'PLTE' chunk will be output.</div>
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</li>
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<h4>setBackgroundPaletteIndex</h4>
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<pre>public void setBackgroundPaletteIndex(int index)</pre>
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<div class="block">Sets the palette index of the suggested background color.
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<p> The 'bKGD' chunk will encode this information.</div>
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</li>
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<h4>getBackgroundPaletteIndex</h4>
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<pre>public int getBackgroundPaletteIndex()</pre>
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<div class="block">Returns the palette index of the suggested background color.
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<p> If the background palette index has not previously been
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set, or has been unset, an
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<code>IllegalStateException</code> will be thrown.</div>
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<dl>
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<dt><span class="throwsLabel">Throws:</span></dt>
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<dd><code>java.lang.IllegalStateException</code> - if the palette index is not set.</dd>
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</dl>
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</li>
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</ul>
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<h4>setPaletteTransparency</h4>
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<pre>public void setPaletteTransparency(byte[] alpha)</pre>
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<div class="block">Sets the alpha values associated with each palette entry.
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The <code>alpha</code> parameter should have as many entries
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as there are RGB triples in the palette.
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<p> The 'tRNS' chunk will encode this information.</div>
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</li>
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</ul>
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<a name="getPaletteTransparency--">
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<h4>getPaletteTransparency</h4>
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<pre>public byte[] getPaletteTransparency()</pre>
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<div class="block">Returns the alpha values associated with each palette entry.
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<p> If the palette transparency has not previously been
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set, or has been unset, an
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<code>IllegalStateException</code> will be thrown.</div>
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<dl>
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<dt><span class="throwsLabel">Throws:</span></dt>
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<dd><code>java.lang.IllegalStateException</code> - if the palette transparency is
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not set.</dd>
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