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mxPngEncodeParam.Gray (mxGraph 2.4.0.0 API Specification)
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com.mxgraph.util.png</FONT>
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Class mxPngEncodeParam.Gray</H2>
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<A HREF="http://download.oracle.com/javase/1.5.0/docs/api/java/lang/Object.html?is-external=true" title="class or interface in java.lang">java.lang.Object</A>
<IMG SRC="../../../../resources/inherit.gif" ALT="extended by "><A HREF="../../../../com/mxgraph/util/png/mxPngEncodeParam.html" title="class in com.mxgraph.util.png">com.mxgraph.util.png.mxPngEncodeParam</A>
<IMG SRC="../../../../resources/inherit.gif" ALT="extended by "><B>com.mxgraph.util.png.mxPngEncodeParam.Gray</B>
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<DT><B>Enclosing class:</B><DD><A HREF="../../../../com/mxgraph/util/png/mxPngEncodeParam.html" title="class in com.mxgraph.util.png">mxPngEncodeParam</A></DD>
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<DT><PRE>public static class <B>mxPngEncodeParam.Gray</B><DT>extends <A HREF="../../../../com/mxgraph/util/png/mxPngEncodeParam.html" title="class in com.mxgraph.util.png">mxPngEncodeParam</A></DL>
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<TH ALIGN="left"><B>Nested classes/interfaces inherited from class com.mxgraph.util.png.<A HREF="../../../../com/mxgraph/util/png/mxPngEncodeParam.html" title="class in com.mxgraph.util.png">mxPngEncodeParam</A></B></TH>
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<TR BGCOLOR="white" CLASS="TableRowColor">
<TD><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></TD>
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<TH ALIGN="left"><B>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></B></TH>
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<TD><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></TD>
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<TD><CODE><B><A HREF="../../../../com/mxgraph/util/png/mxPngEncodeParam.Gray.html#mxPngEncodeParam.Gray()">mxPngEncodeParam.Gray</A></B>()</CODE>
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&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;Constructs an instance of <code>PNGEncodeParam.Gray</code>.</TD>
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<CODE>&nbsp;int</CODE></FONT></TD>
<TD><CODE><B><A HREF="../../../../com/mxgraph/util/png/mxPngEncodeParam.Gray.html#getBackgroundGray()">getBackgroundGray</A></B>()</CODE>
<BR>
&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;Returns the suggested gray level of the background.</TD>
</TR>
<TR BGCOLOR="white" CLASS="TableRowColor">
<TD ALIGN="right" VALIGN="top" WIDTH="1%"><FONT SIZE="-1">
<CODE>&nbsp;int</CODE></FONT></TD>
<TD><CODE><B><A HREF="../../../../com/mxgraph/util/png/mxPngEncodeParam.Gray.html#getBitShift()">getBitShift</A></B>()</CODE>
<BR>
&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;Returns the desired bit shift for a grayscale image.</TD>
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<TD ALIGN="right" VALIGN="top" WIDTH="1%"><FONT SIZE="-1">
<CODE>&nbsp;int</CODE></FONT></TD>
<TD><CODE><B><A HREF="../../../../com/mxgraph/util/png/mxPngEncodeParam.Gray.html#getTransparentGray()">getTransparentGray</A></B>()</CODE>
<BR>
&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;Returns the gray value to be used to denote transparency.</TD>
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<TR BGCOLOR="white" CLASS="TableRowColor">
<TD ALIGN="right" VALIGN="top" WIDTH="1%"><FONT SIZE="-1">
<CODE>&nbsp;boolean</CODE></FONT></TD>
<TD><CODE><B><A HREF="../../../../com/mxgraph/util/png/mxPngEncodeParam.Gray.html#isBackgroundSet()">isBackgroundSet</A></B>()</CODE>
<BR>
&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;Returns true if a 'bKGD' chunk will be output.</TD>
</TR>
<TR BGCOLOR="white" CLASS="TableRowColor">
<TD ALIGN="right" VALIGN="top" WIDTH="1%"><FONT SIZE="-1">
<CODE>&nbsp;boolean</CODE></FONT></TD>
<TD><CODE><B><A HREF="../../../../com/mxgraph/util/png/mxPngEncodeParam.Gray.html#isBitDepthSet()">isBitDepthSet</A></B>()</CODE>
<BR>
&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;Returns true if the bit depth has been set.</TD>
</TR>
<TR BGCOLOR="white" CLASS="TableRowColor">
<TD ALIGN="right" VALIGN="top" WIDTH="1%"><FONT SIZE="-1">
<CODE>&nbsp;boolean</CODE></FONT></TD>
<TD><CODE><B><A HREF="../../../../com/mxgraph/util/png/mxPngEncodeParam.Gray.html#isBitShiftSet()">isBitShiftSet</A></B>()</CODE>
<BR>
&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;Returns true if the bit shift has been set.</TD>
</TR>
<TR BGCOLOR="white" CLASS="TableRowColor">
<TD ALIGN="right" VALIGN="top" WIDTH="1%"><FONT SIZE="-1">
<CODE>&nbsp;void</CODE></FONT></TD>
<TD><CODE><B><A HREF="../../../../com/mxgraph/util/png/mxPngEncodeParam.Gray.html#setBackgroundGray(int)">setBackgroundGray</A></B>(int&nbsp;gray)</CODE>
<BR>
&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;Sets the suggested gray level of the background.</TD>
</TR>
<TR BGCOLOR="white" CLASS="TableRowColor">
<TD ALIGN="right" VALIGN="top" WIDTH="1%"><FONT SIZE="-1">
<CODE>&nbsp;void</CODE></FONT></TD>
<TD><CODE><B><A HREF="../../../../com/mxgraph/util/png/mxPngEncodeParam.Gray.html#setBitDepth(int)">setBitDepth</A></B>(int&nbsp;bitDepth)</CODE>
<BR>
&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;Sets the desired bit depth for a grayscale image.</TD>
</TR>
<TR BGCOLOR="white" CLASS="TableRowColor">
<TD ALIGN="right" VALIGN="top" WIDTH="1%"><FONT SIZE="-1">
<CODE>&nbsp;void</CODE></FONT></TD>
<TD><CODE><B><A HREF="../../../../com/mxgraph/util/png/mxPngEncodeParam.Gray.html#setBitShift(int)">setBitShift</A></B>(int&nbsp;bitShift)</CODE>
<BR>
&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;Sets the desired bit shift for a grayscale image.</TD>
</TR>
<TR BGCOLOR="white" CLASS="TableRowColor">
<TD ALIGN="right" VALIGN="top" WIDTH="1%"><FONT SIZE="-1">
<CODE>&nbsp;void</CODE></FONT></TD>
<TD><CODE><B><A HREF="../../../../com/mxgraph/util/png/mxPngEncodeParam.Gray.html#setTransparentGray(int)">setTransparentGray</A></B>(int&nbsp;transparentGray)</CODE>
<BR>
&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;Sets the gray value to be used to denote transparency.</TD>
</TR>
<TR BGCOLOR="white" CLASS="TableRowColor">
<TD ALIGN="right" VALIGN="top" WIDTH="1%"><FONT SIZE="-1">
<CODE>&nbsp;void</CODE></FONT></TD>
<TD><CODE><B><A HREF="../../../../com/mxgraph/util/png/mxPngEncodeParam.Gray.html#unsetBackground()">unsetBackground</A></B>()</CODE>
<BR>
&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;Suppresses the 'bKGD' chunk from being output.</TD>
</TR>
<TR BGCOLOR="white" CLASS="TableRowColor">
<TD ALIGN="right" VALIGN="top" WIDTH="1%"><FONT SIZE="-1">
<CODE>&nbsp;void</CODE></FONT></TD>
<TD><CODE><B><A HREF="../../../../com/mxgraph/util/png/mxPngEncodeParam.Gray.html#unsetBitShift()">unsetBitShift</A></B>()</CODE>
<BR>
&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;Suppresses the setting of the bit shift of a grayscale image.</TD>
</TR>
</TABLE>
&nbsp;<A NAME="methods_inherited_from_class_com.mxgraph.util.png.mxPngEncodeParam"><!-- --></A>
<TABLE BORDER="1" WIDTH="100%" CELLPADDING="3" CELLSPACING="0" SUMMARY="">
<TR BGCOLOR="#EEEEFF" CLASS="TableSubHeadingColor">
<TH ALIGN="left"><B>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></B></TH>
</TR>
<TR BGCOLOR="white" CLASS="TableRowColor">
<TD><CODE><A HREF="../../../../com/mxgraph/util/png/mxPngEncodeParam.html#addPrivateChunk(java.lang.String, byte[])">addPrivateChunk</A>, <A HREF="../../../../com/mxgraph/util/png/mxPngEncodeParam.html#filterRow(byte[], byte[], byte[][], 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[])">setChromaticity</A>, <A 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[])">setCompressedText</A>, <A HREF="../../../../com/mxgraph/util/png/mxPngEncodeParam.html#setGamma(float)">setGamma</A>, <A HREF="../../../../com/mxgraph/util/png/mxPngEncodeParam.html#setICCProfileData(byte[])">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[])">setPaletteHistogram</A>, <A HREF="../../../../com/mxgraph/util/png/mxPngEncodeParam.html#setPhysicalDimension(int[])">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[])">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[])">setSuggestedPalette</A>, <A HREF="../../../../com/mxgraph/util/png/mxPngEncodeParam.html#setText(java.lang.String[])">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 HREF="../../../../com/mxgraph/util/png/mxPngEncodeParam.html#unsetTransparency()">unsetTransparency</A></CODE></TD>
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<TH ALIGN="left"><B>Methods inherited from class java.lang.<A HREF="http://download.oracle.com/javase/1.5.0/docs/api/java/lang/Object.html?is-external=true" title="class or interface in java.lang">Object</A></B></TH>
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<B>Constructor Detail</B></FONT></TH>
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<A NAME="mxPngEncodeParam.Gray()"><!-- --></A><H3>
mxPngEncodeParam.Gray</H3>
<PRE>
public <B>mxPngEncodeParam.Gray</B>()</PRE>
<DL>
<DD>Constructs an instance of <code>PNGEncodeParam.Gray</code>.
<P>
</DL>
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<A NAME="unsetBackground()"><!-- --></A><H3>
unsetBackground</H3>
<PRE>
public void <B>unsetBackground</B>()</PRE>
<DL>
<DD>Suppresses the 'bKGD' chunk from being output.
<P>
<DD><DL>
<DT><B>Overrides:</B><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></DL>
</DD>
<DD><DL>
</DL>
</DD>
</DL>
<HR>
<A NAME="isBackgroundSet()"><!-- --></A><H3>
isBackgroundSet</H3>
<PRE>
public boolean <B>isBackgroundSet</B>()</PRE>
<DL>
<DD>Returns true if a 'bKGD' chunk will be output.
<P>
<DD><DL>
<DT><B>Overrides:</B><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></DL>
</DD>
<DD><DL>
</DL>
</DD>
</DL>
<HR>
<A NAME="setBitDepth(int)"><!-- --></A><H3>
setBitDepth</H3>
<PRE>
public void <B>setBitDepth</B>(int&nbsp;bitDepth)</PRE>
<DL>
<DD>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.
<P>
<DD><DL>
<DT><B>Specified by:</B><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></DL>
</DD>
<DD><DL>
</DL>
</DD>
</DL>
<HR>
<A NAME="setBackgroundGray(int)"><!-- --></A><H3>
setBackgroundGray</H3>
<PRE>
public void <B>setBackgroundGray</B>(int&nbsp;gray)</PRE>
<DL>
<DD>Sets the suggested gray level of the background.
<p> The 'bKGD' chunk will encode this information.
<P>
<DD><DL>
</DL>
</DD>
</DL>
<HR>
<A NAME="getBackgroundGray()"><!-- --></A><H3>
getBackgroundGray</H3>
<PRE>
public int <B>getBackgroundGray</B>()</PRE>
<DL>
<DD>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.
<P>
<DD><DL>
<DT><B>Throws:</B>
<DD><CODE><A HREF="http://download.oracle.com/javase/1.5.0/docs/api/java/lang/IllegalStateException.html?is-external=true" title="class or interface in java.lang">IllegalStateException</A></CODE> - if the background gray level
is not set.</DL>
</DD>
</DL>
<HR>
<A NAME="setTransparentGray(int)"><!-- --></A><H3>
setTransparentGray</H3>
<PRE>
public void <B>setTransparentGray</B>(int&nbsp;transparentGray)</PRE>
<DL>
<DD>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.
<P>
<DD><DL>
</DL>
</DD>
</DL>
<HR>
<A NAME="getTransparentGray()"><!-- --></A><H3>
getTransparentGray</H3>
<PRE>
public int <B>getTransparentGray</B>()</PRE>
<DL>
<DD>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.
<P>
<DD><DL>
<DT><B>Throws:</B>
<DD><CODE><A HREF="http://download.oracle.com/javase/1.5.0/docs/api/java/lang/IllegalStateException.html?is-external=true" title="class or interface in java.lang">IllegalStateException</A></CODE> - if the transparent gray value
is not set.</DL>
</DD>
</DL>
<HR>
<A NAME="setBitShift(int)"><!-- --></A><H3>
setBitShift</H3>
<PRE>
public void <B>setBitShift</B>(int&nbsp;bitShift)</PRE>
<DL>
<DD>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.
<P>
<DD><DL>
</DL>
</DD>
</DL>
<HR>
<A NAME="getBitShift()"><!-- --></A><H3>
getBitShift</H3>
<PRE>
public int <B>getBitShift</B>()</PRE>
<DL>
<DD>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.
<P>
<DD><DL>
<DT><B>Throws:</B>
<DD><CODE><A HREF="http://download.oracle.com/javase/1.5.0/docs/api/java/lang/IllegalStateException.html?is-external=true" title="class or interface in java.lang">IllegalStateException</A></CODE> - if the bit shift is not set.</DL>
</DD>
</DL>
<HR>
<A NAME="unsetBitShift()"><!-- --></A><H3>
unsetBitShift</H3>
<PRE>
public void <B>unsetBitShift</B>()</PRE>
<DL>
<DD>Suppresses the setting of the bit shift of a grayscale image.
Pixels in the source image will not be shifted prior to encoding.
<P>
<DD><DL>
</DL>
</DD>
</DL>
<HR>
<A NAME="isBitShiftSet()"><!-- --></A><H3>
isBitShiftSet</H3>
<PRE>
public boolean <B>isBitShiftSet</B>()</PRE>
<DL>
<DD>Returns true if the bit shift has been set.
<P>
<DD><DL>
</DL>
</DD>
</DL>
<HR>
<A NAME="isBitDepthSet()"><!-- --></A><H3>
isBitDepthSet</H3>
<PRE>
public boolean <B>isBitDepthSet</B>()</PRE>
<DL>
<DD>Returns true if the bit depth has been set.
<P>
<DD><DL>
</DL>
</DD>
</DL>
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