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href="http://java.sun.com/products/java-media/jai/forDevelopers/jai1_0_1guide-unc/Image-enhance.doc.html#69599">Listing
7-4</A> shows an example of the construction of a multi-banded byte lookup
table.
<P><CAPTION><FONT size=-1><B><A name=69599>
<CENTER><FONT size=-1><B><I>Listing 7-4 </I><IMG
src="Image Enhancement.files/sm-blank.gif" border=0> Example Multi-band Lookup
Table</B></FONT></CENTER></A>
<P></B></FONT></CAPTION>
<HR>
<TR valign="top"><TD><PRE> // Create the table data.
byte[][] tableData = new byte[3][0x10000];
for (int i = 0; i < 0x10000; i++) {
tableData[0][i] = (byte)(i >> 8); // this may be different
tableData[1][i] = (byte)(i >> 8); // for each band
tableData[2][i] = (byte)(i >> 8);
}
</PRE><TR valign="top"><TD><PRE> // Create a LookupTableJAI object to be used with the
// "lookup" operator.
LookupTableJAI table = new LookupTableJAI(tableData);
</PRE>
<HR>
<P>
<TABLE border=0>
<TBODY>
<TR>
<TD><IMG src="Image Enhancement.files/cistine.gif"></TD>
<TD>
<HR>
<B>API:</B> <CODE>javax.media.jai.LookupTableJAI </CODE>
<HR>
</TD></TR></TBODY></TABLE><PRE><UL>
<LI>LookupTableJAI(byte[][] data)
<P></P></LI></UL></PRE>
<DL><A name=56728>
<DT>
<DD>constructs a multi-banded byte lookup table with an index offset for
each band of 0.
<P>
<TABLE cellPadding=3 border=3>
<CAPTION><FONT size=-1><B></B></FONT></CAPTION>
<TBODY>
<TR vAlign=top>
<TD><EM>Parameters</EM>:
<P></P>
<TD><CODE>data</CODE>
<P></P>
<TD>The multi-banded byte data in [band][index] format
<P></P></TR></TBODY></TABLE></A>
<P></P></DD></DL><PRE><UL>
<LI>LookupTableJAI(byte[][] data, int offset)
<P></P></LI></UL></PRE>
<DL><A name=56737>
<DT>
<DD>constructs a multi-banded byte lookup table where all bands have the
same index offset.
<P>
<TABLE cellPadding=3 border=3>
<CAPTION><FONT size=-1><B></B></FONT></CAPTION>
<TBODY>
<TR vAlign=top>
<TD rowSpan=2><EM>Parameters</EM>:
<P></P>
<TD><CODE>data</CODE>
<P></P>
<TD>The multi-banded byte data in [band][index] format
<P></P>
<TR vAlign=top>
<TD><CODE>offset</CODE>
<P></P>
<TD>The common offset for all bands
<P></P></TR></TBODY></TABLE></A>
<P></P></DD></DL><PRE><UL>
<LI>LookupTableJAI(byte[][] data, int[] offsets)
<P></P></LI></UL></PRE>
<DL><A name=56752>
<DT>
<DD>constructs a multi-banded byte lookup table where each band has a
different index offset.
<P>
<TABLE cellPadding=3 border=3>
<CAPTION><FONT size=-1><B></B></FONT></CAPTION>
<TBODY>
<TR vAlign=top>
<TD rowSpan=2><EM>Parameters</EM>:
<P></P>
<TD><CODE>data</CODE>
<P></P>
<TD>The multi-banded byte data in [band][index] format
<P></P>
<TR vAlign=top>
<TD><CODE>offsets</CODE>
<P></P>
<TD>The offsets for the bands
<P></P></TR></TBODY></TABLE></A>
<P></P></DD></DL><PRE><UL>
<LI>LookupTableJAI(short[][] data, boolean isUShort)
<P></P></LI></UL></PRE>
<DL><A name=56793>
<DT>
<DD>constructs a multi-banded short or unsigned short lookup table. The
index offset for each band is 0
<P>
<TABLE cellPadding=3 border=3>
<CAPTION><FONT size=-1><B></B></FONT></CAPTION>
<TBODY>
<TR vAlign=top>
<TD rowSpan=2><EM>Parameters</EM>:
<P></P>
<TD><CODE>data</CODE>
<P></P>
<TD>The multi-banded short data in [band][index] format.
<P></P>
<TR vAlign=top>
<TD><CODE>isUShort</CODE>
<P></P>
<TD>True if the data type is <CODE>DataBuffer.TYPE_USHORT</CODE>;
false if the data type is <CODE>DataBuffer.TYPE_SHORT</CODE>.
<P></P></TR></TBODY></TABLE></A>
<P></P></DD></DL><PRE><UL>
<LI>LookupTableJAI(short[][] data, int offset, boolean isUShort)
<P></P></LI></UL></PRE>
<DL><A name=56808>
<DT>
<DD>constructs a multi-banded short or unsigned short lookup table where all
bands have the same index offset
<P>
<TABLE cellPadding=3 border=3>
<CAPTION><FONT size=-1><B></B></FONT></CAPTION>
<TBODY>
<TR vAlign=top>
<TD rowSpan=3><EM>Parameters</EM>:
<P></P>
<TD><CODE>data</CODE>
<P></P>
<TD>The multi-banded short data in [band][index] format
<P></P>
<TR vAlign=top>
<TD><CODE>offset</CODE>
<P></P>
<TD>The common offset for all bands
<P></P>
<TR vAlign=top>
<TD><CODE>isUShort</CODE>
<P></P>
<TD>True if the data type is <CODE>DataBuffer.TYPE_USHORT</CODE>;
false if the data type is <CODE>DataBuffer.TYPE_SHORT</CODE>.
<P></P></TR></TBODY></TABLE></A>
<P></P></DD></DL><PRE><UL>
<LI>LookupTableJAI(short[][] data, int[] offsets, boolean isUShort)
<P></P></LI></UL></PRE>
<DL><A name=56829>
<DT>
<DD>constructs a multi-banded short or unsigned short lookup table where
each band has a different index offset
<P>
<TABLE cellPadding=3 border=3>
<CAPTION><FONT size=-1><B></B></FONT></CAPTION>
<TBODY>
<TR vAlign=top>
<TD rowSpan=3><EM>Parameters</EM>:
<P></P>
<TD><CODE>data</CODE>
<P></P>
<TD>The multi-banded short data in [band][index] format
<P></P>
<TR vAlign=top>
<TD><CODE>offset</CODE>
<P></P>
<TD>The offsets for the bands
<P></P>
<TR vAlign=top>
<TD><CODE>isUShort</CODE>
<P></P>
<TD>True if the data type is <CODE>DataBuffer.TYPE_USHORT</CODE>;
false if the data type is <CODE>DataBuffer.TYPE_SHORT</CODE>.
<P></P></TR></TBODY></TABLE></A>
<P></P></DD></DL><PRE><UL>
<LI>LookupTableJAI(int[][] data)
<P></P></LI></UL></PRE>
<DL><A name=56866>
<DT>
<DD>constructs a multi-banded int lookup table. The index offset for each
band is 0
<P>
<TABLE cellPadding=3 border=3>
<CAPTION><FONT size=-1><B></B></FONT></CAPTION>
<TBODY>
<TR vAlign=top>
<TD><EM>Parameters</EM>:
<P></P>
<TD><CODE>data</CODE>
<P></P>
<TD>The multi-banded int data in [band][index] format
<P></P></TR></TBODY></TABLE></A>
<P></P></DD></DL><PRE><UL>
<LI>LookupTableJAI(int[][] data, int offset)
<P></P></LI></UL></PRE>
<DL><A name=56868>
<DT>
<DD>constructs a multi-banded int lookup table where all bands have the same
index offset
<P>
<TABLE cellPadding=3 border=3>
<CAPTION><FONT size=-1><B></B></FONT></CAPTION>
<TBODY>
<TR vAlign=top>
<TD rowSpan=2><EM>Parameters</EM>:
<P></P>
<TD><CODE>data</CODE>
<P></P>
<TD>The multi-banded int data in [band][index] format
<P></P>
<TR vAlign=top>
<TD><CODE>offset</CODE>
<P></P>
<TD>The common offset for all bands
<P></P></TR></TBODY></TABLE></A>
<P></P></DD></DL><PRE><UL>
<LI>LookupTableJAI(int[][] data, int[] offsets)
<P></P></LI></UL></PRE>
<DL><A name=56883>
<DT>
<DD>constructs a multi-banded int lookup table where each band has a
different index offset
<P>
<TABLE cellPadding=3 border=3>
<CAPTION><FONT size=-1><B></B></FONT></CAPTION>
<TBODY>
<TR vAlign=top>
<TD rowSpan=2><EM>Parameters</EM>:
<P></P>
<TD><CODE>data</CODE>
<P></P>
<TD>The multi-banded int data in [band][index] format
<P></P>
<TR vAlign=top>
<TD><CODE>offset</CODE>
<P></P>
<TD>The offsets for the bands
<P></P></TR></TBODY></TABLE></A>
<P></P></DD></DL><PRE><UL>
<LI>LookupTableJAI(float[][] data)
<P></P></LI></UL></PRE>
<DL><A name=56907>
<DT>
<DD>constructs a multi-banded float lookup table. The index offset for each
band is 0
<P>
<TABLE cellPadding=3 border=3>
<CAPTION><FONT size=-1><B></B></FONT></CAPTION>
<TBODY>
<TR vAlign=top>
<TD><EM>Parameters</EM>:
<P></P>
<TD><CODE>data</CODE>
<P></P>
<TD>The multi-banded float data in [band][index] format
<P></P></TR></TBODY></TABLE></A>
<P></P></DD></DL><PRE><UL>
<LI>LookupTableJAI(float[][] data, int offset)
<P></P></LI></UL></PRE>
<DL><A name=56916>
<DT>
<DD>constructs a multi-banded float lookup table where all bands have the
same index offset
<P>
<TABLE cellPadding=3 border=3>
<CAPTION><FONT size=-1><B></B></FONT></CAPTION>
<TBODY>
<TR vAlign=top>
<TD rowSpan=2><EM>Parameters</EM>:
<P></P>
<TD><CODE>data</CODE>
<P></P>
<TD>The multi-banded float data in [band][index] format
<P></P>
<TR vAlign=top>
<TD><CODE>offset</CODE>
<P></P>
<TD>The common offset for all bands
<P></P></TR></TBODY></TABLE></A>
<P></P></DD></DL><PRE><UL>
<LI>LookupTableJAI(float[][] data, int[] offsets)
<P></P></LI></UL></PRE>
<DL><A name=56931>
<DT>
<DD>constructs a multi-banded float lookup table where each band has a
different index offset
<P>
<TABLE cellPadding=3 border=3>
<CAPTION><FONT size=-1><B></B></FONT></CAPTION>
<TBODY>
<TR vAlign=top>
<TD rowSpan=2><EM>Parameters</EM>:
<P></P>
<TD><CODE>data</CODE>
<P></P>
<TD>The multi-banded float data in [band][index] format
<P></P>
<TR vAlign=top>
<TD><CODE>offset</CODE>
<P></P>
<TD>The offsets for the bands
<P></P></TR></TBODY></TABLE></A>
<P></P></DD></DL><PRE><UL>
<LI>LookupTableJAI(double[][] data)
<P></P></LI></UL></PRE>
<DL><A name=569⌨️ 快捷键说明
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