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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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<pre>public static class <span class="typeNameLabel">mxPngEncodeParam.Gray</span>
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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<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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<td class="colOne"><code><span class="memberNameLink"><a href="../../../../com/mxgraph/util/png/mxPngEncodeParam.Gray.html#Gray--">Gray</a></span>()</code>
<div class="block">Constructs an instance of <code>PNGEncodeParam.Gray</code>.</div>
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<td class="colFirst"><code>int</code></td>
<td class="colLast"><code><span class="memberNameLink"><a href="../../../../com/mxgraph/util/png/mxPngEncodeParam.Gray.html#getBackgroundGray--">getBackgroundGray</a></span>()</code>
<div class="block">Returns the suggested gray level of the background.</div>
</td>
</tr>
<tr id="i1" class="rowColor">
<td class="colFirst"><code>int</code></td>
<td class="colLast"><code><span class="memberNameLink"><a href="../../../../com/mxgraph/util/png/mxPngEncodeParam.Gray.html#getBitShift--">getBitShift</a></span>()</code>
<div class="block">Returns the desired bit shift for a grayscale image.</div>
</td>
</tr>
<tr id="i2" class="altColor">
<td class="colFirst"><code>int</code></td>
<td class="colLast"><code><span class="memberNameLink"><a href="../../../../com/mxgraph/util/png/mxPngEncodeParam.Gray.html#getTransparentGray--">getTransparentGray</a></span>()</code>
<div class="block">Returns the gray value to be used to denote transparency.</div>
</td>
</tr>
<tr id="i3" class="rowColor">
<td class="colFirst"><code>boolean</code></td>
<td class="colLast"><code><span class="memberNameLink"><a href="../../../../com/mxgraph/util/png/mxPngEncodeParam.Gray.html#isBackgroundSet--">isBackgroundSet</a></span>()</code>
<div class="block">Returns true if a 'bKGD' chunk will be output.</div>
</td>
</tr>
<tr id="i4" class="altColor">
<td class="colFirst"><code>boolean</code></td>
<td class="colLast"><code><span class="memberNameLink"><a href="../../../../com/mxgraph/util/png/mxPngEncodeParam.Gray.html#isBitDepthSet--">isBitDepthSet</a></span>()</code>
<div class="block">Returns true if the bit depth has been set.</div>
</td>
</tr>
<tr id="i5" class="rowColor">
<td class="colFirst"><code>boolean</code></td>
<td class="colLast"><code><span class="memberNameLink"><a href="../../../../com/mxgraph/util/png/mxPngEncodeParam.Gray.html#isBitShiftSet--">isBitShiftSet</a></span>()</code>
<div class="block">Returns true if the bit shift has been set.</div>
</td>
</tr>
<tr id="i6" class="altColor">
<td class="colFirst"><code>void</code></td>
<td class="colLast"><code><span class="memberNameLink"><a href="../../../../com/mxgraph/util/png/mxPngEncodeParam.Gray.html#setBackgroundGray-int-">setBackgroundGray</a></span>(int&nbsp;gray)</code>
<div class="block">Sets the suggested gray level of the background.</div>
</td>
</tr>
<tr id="i7" class="rowColor">
<td class="colFirst"><code>void</code></td>
<td class="colLast"><code><span class="memberNameLink"><a href="../../../../com/mxgraph/util/png/mxPngEncodeParam.Gray.html#setBitDepth-int-">setBitDepth</a></span>(int&nbsp;bitDepth)</code>
<div class="block">Sets the desired bit depth for a grayscale image.</div>
</td>
</tr>
<tr id="i8" class="altColor">
<td class="colFirst"><code>void</code></td>
<td class="colLast"><code><span class="memberNameLink"><a href="../../../../com/mxgraph/util/png/mxPngEncodeParam.Gray.html#setBitShift-int-">setBitShift</a></span>(int&nbsp;bitShift)</code>
<div class="block">Sets the desired bit shift for a grayscale image.</div>
</td>
</tr>
<tr id="i9" class="rowColor">
<td class="colFirst"><code>void</code></td>
<td class="colLast"><code><span class="memberNameLink"><a href="../../../../com/mxgraph/util/png/mxPngEncodeParam.Gray.html#setTransparentGray-int-">setTransparentGray</a></span>(int&nbsp;transparentGray)</code>
<div class="block">Sets the gray value to be used to denote transparency.</div>
</td>
</tr>
<tr id="i10" class="altColor">
<td class="colFirst"><code>void</code></td>
<td class="colLast"><code><span class="memberNameLink"><a href="../../../../com/mxgraph/util/png/mxPngEncodeParam.Gray.html#unsetBackground--">unsetBackground</a></span>()</code>
<div class="block">Suppresses the 'bKGD' chunk from being output.</div>
</td>
</tr>
<tr id="i11" class="rowColor">
<td class="colFirst"><code>void</code></td>
<td class="colLast"><code><span class="memberNameLink"><a href="../../../../com/mxgraph/util/png/mxPngEncodeParam.Gray.html#unsetBitShift--">unsetBitShift</a></span>()</code>
<div class="block">Suppresses the setting of the bit shift of a grayscale image.</div>
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<h3>Methods inherited from class&nbsp;com.mxgraph.util.png.<a href="../../../../com/mxgraph/util/png/mxPngEncodeParam.html" title="class in com.mxgraph.util.png">mxPngEncodeParam</a></h3>
<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 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href="../../../../com/mxgraph/util/png/mxPngEncodeParam.html#setChromaticity-float-float-float-float-float-float-float-float-">setChromaticity</a>, <a href="../../../../com/mxgraph/util/png/mxPngEncodeParam.html#setCompressedText-java.lang.String:A-">setCompressedText</a>, <a href="../../../../com/mxgraph/util/png/mxPngEncodeParam.html#setGamma-float-">setGamma</a>, <a href="../../../../com/mxgraph/util/png/mxPngEncodeParam.html#setICCProfileData-byte:A-">setICCProfileData</a>, <a href="../../../../com/mxgraph/util/png/mxPngEncodeParam.html#setInterlacing-boolean-">setInterlacing</a>, <a href="../../../../com/mxgraph/util/png/mxPngEncodeParam.html#setModificationTime-java.util.Date-">setModificationTime</a>, <a href="../../../../com/mxgraph/util/png/mxPngEncodeParam.html#setPaletteHistogram-int:A-">setPaletteHistogram</a>, <a href="../../../../com/mxgraph/util/png/mxPngEncodeParam.html#setPhysicalDimension-int:A-">setPhysicalDimension</a>, <a href="../../../../com/mxgraph/util/png/mxPngEncodeParam.html#setPhysicalDimension-int-int-int-">setPhysicalDimension</a>, <a href="../../../../com/mxgraph/util/png/mxPngEncodeParam.html#setSignificantBits-int:A-">setSignificantBits</a>, <a href="../../../../com/mxgraph/util/png/mxPngEncodeParam.html#setSRGBIntent-int-">setSRGBIntent</a>, <a href="../../../../com/mxgraph/util/png/mxPngEncodeParam.html#setSuggestedPalette-com.mxgraph.util.png.mxPngSuggestedPaletteEntry:A-">setSuggestedPalette</a>, <a href="../../../../com/mxgraph/util/png/mxPngEncodeParam.html#setText-java.lang.String:A-">setText</a>, <a href="../../../../com/mxgraph/util/png/mxPngEncodeParam.html#unsetBitDepth--">unsetBitDepth</a>, <a href="../../../../com/mxgraph/util/png/mxPngEncodeParam.html#unsetChromaticity--">unsetChromaticity</a>, <a href="../../../../com/mxgraph/util/png/mxPngEncodeParam.html#unsetCompressedText--">unsetCompressedText</a>, <a href="../../../../com/mxgraph/util/png/mxPngEncodeParam.html#unsetGamma--">unsetGamma</a>, <a href="../../../../com/mxgraph/util/png/mxPngEncodeParam.html#unsetICCProfileData--">unsetICCProfileData</a>, <a href="../../../../com/mxgraph/util/png/mxPngEncodeParam.html#unsetModificationTime--">unsetModificationTime</a>, <a href="../../../../com/mxgraph/util/png/mxPngEncodeParam.html#unsetPaletteHistogram--">unsetPaletteHistogram</a>, <a href="../../../../com/mxgraph/util/png/mxPngEncodeParam.html#unsetPhysicalDimension--">unsetPhysicalDimension</a>, <a href="../../../../com/mxgraph/util/png/mxPngEncodeParam.html#unsetSignificantBits--">unsetSignificantBits</a>, <a href="../../../../com/mxgraph/util/png/mxPngEncodeParam.html#unsetSRGBIntent--">unsetSRGBIntent</a>, <a href="../../../../com/mxgraph/util/png/mxPngEncodeParam.html#unsetSuggestedPalette--">unsetSuggestedPalette</a>, <a href="../../../../com/mxgraph/util/png/mxPngEncodeParam.html#unsetText--">unsetText</a>, <a 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<h3>Methods inherited from class&nbsp;java.lang.Object</h3>
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<h4>Gray</h4>
<pre>public&nbsp;Gray()</pre>
<div class="block">Constructs an instance of <code>PNGEncodeParam.Gray</code>.</div>
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<h4>unsetBackground</h4>
<pre>public&nbsp;void&nbsp;unsetBackground()</pre>
<div class="block">Suppresses the 'bKGD' chunk from being output.</div>
<dl>
<dt><span class="overrideSpecifyLabel">Overrides:</span></dt>
<dd><code><a href="../../../../com/mxgraph/util/png/mxPngEncodeParam.html#unsetBackground--">unsetBackground</a></code>&nbsp;in class&nbsp;<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>
<pre>public&nbsp;boolean&nbsp;isBackgroundSet()</pre>
<div class="block">Returns true if a 'bKGD' chunk will be output.</div>
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<dt><span class="overrideSpecifyLabel">Overrides:</span></dt>
<dd><code><a href="../../../../com/mxgraph/util/png/mxPngEncodeParam.html#isBackgroundSet--">isBackgroundSet</a></code>&nbsp;in class&nbsp;<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>
<pre>public&nbsp;void&nbsp;setBitDepth(int&nbsp;bitDepth)</pre>
<div class="block">Sets the desired bit depth for a grayscale image. The bit
depth must be one of 1, 2, 4, 8, or 16.
<p> When encoding a source image of a greater bit depth,
pixel values will be clamped to the smaller range after
shifting by the value given by <code>getBitShift()</code>.
When encoding a source image of a smaller bit depth, pixel
values will be shifted and left-filled with zeroes.</div>
<dl>
<dt><span class="overrideSpecifyLabel">Specified by:</span></dt>
<dd><code><a href="../../../../com/mxgraph/util/png/mxPngEncodeParam.html#setBitDepth-int-">setBitDepth</a></code>&nbsp;in class&nbsp;<code><a href="../../../../com/mxgraph/util/png/mxPngEncodeParam.html" title="class in com.mxgraph.util.png">mxPngEncodeParam</a></code></dd>
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<a name="setBackgroundGray-int-">
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<h4>setBackgroundGray</h4>
<pre>public&nbsp;void&nbsp;setBackgroundGray(int&nbsp;gray)</pre>
<div class="block">Sets the suggested gray level of the background.
<p> The 'bKGD' chunk will encode this information.</div>
</li>
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<a name="getBackgroundGray--">
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</a>
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<h4>getBackgroundGray</h4>
<pre>public&nbsp;int&nbsp;getBackgroundGray()</pre>
<div class="block">Returns the suggested gray level of the background.
<p> If the background gray level has not previously been
set, or has been unset, an
<code>IllegalStateException</code> will be thrown.</div>
<dl>
<dt><span class="throwsLabel">Throws:</span></dt>
<dd><code>java.lang.IllegalStateException</code> - if the background gray level
is not set.</dd>
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<h4>setTransparentGray</h4>
<pre>public&nbsp;void&nbsp;setTransparentGray(int&nbsp;transparentGray)</pre>
<div class="block">Sets the gray value to be used to denote transparency.
<p> Setting this attribute will cause the alpha channel
of the input image to be ignored.
<p> The 'tRNS' chunk will encode this information.</div>
</li>
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<a name="getTransparentGray--">
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<h4>getTransparentGray</h4>
<pre>public&nbsp;int&nbsp;getTransparentGray()</pre>
<div class="block">Returns the gray value to be used to denote transparency.
<p> If the transparent gray value has not previously been
set, or has been unset, an
<code>IllegalStateException</code> will be thrown.</div>
<dl>
<dt><span class="throwsLabel">Throws:</span></dt>
<dd><code>java.lang.IllegalStateException</code> - if the transparent gray value
is not set.</dd>
</dl>
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<a name="setBitShift-int-">
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<h4>setBitShift</h4>
<pre>public&nbsp;void&nbsp;setBitShift(int&nbsp;bitShift)</pre>
<div class="block">Sets the desired bit shift for a grayscale image.
Pixels in the source image will be shifted right by
the given amount prior to being clamped to the maximum
value given by the encoded image's bit depth.</div>
</li>
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<a name="getBitShift--">
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<h4>getBitShift</h4>
<pre>public&nbsp;int&nbsp;getBitShift()</pre>
<div class="block">Returns the desired bit shift for a grayscale image.
<p> If the bit shift has not previously been set, or has been
unset, an <code>IllegalStateException</code> will be thrown.</div>
<dl>
<dt><span class="throwsLabel">Throws:</span></dt>
<dd><code>java.lang.IllegalStateException</code> - if the bit shift is not set.</dd>
</dl>
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<h4>unsetBitShift</h4>
<pre>public&nbsp;void&nbsp;unsetBitShift()</pre>
<div class="block">Suppresses the setting of the bit shift of a grayscale image.
Pixels in the source image will not be shifted prior to encoding.</div>
</li>
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<h4>isBitShiftSet</h4>
<pre>public&nbsp;boolean&nbsp;isBitShiftSet()</pre>
<div class="block">Returns true if the bit shift has been set.</div>
</li>
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<a name="isBitDepthSet--">
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<ul class="blockListLast">
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<h4>isBitDepthSet</h4>
<pre>public&nbsp;boolean&nbsp;isBitDepthSet()</pre>
<div class="block">Returns true if the bit depth has been set.</div>
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