📄 ccittg4encoder.html
字号:
<!DOCTYPE HTML PUBLIC "-//W3C//DTD HTML 4.0 Transitional//EN""http://www.w3.org/TR/REC-html40/loose.dtd">
<!--NewPage-->
<HTML>
<HEAD>
<!-- Generated by javadoc on Wed Nov 20 13:00:49 CET 2002 -->
<TITLE>
CCITTG4Encoder
</TITLE>
<LINK REL ="stylesheet" TYPE="text/css" HREF="../../../../stylesheet.css" TITLE="Style">
</HEAD>
<SCRIPT>
function asd()
{
parent.document.title="CCITTG4Encoder";
}
</SCRIPT>
<BODY BGCOLOR="white" onload="asd();">
<!-- ========== START OF NAVBAR ========== -->
<A NAME="navbar_top"><!-- --></A><TABLE BORDER="0" WIDTH="100%" CELLPADDING="1" CELLSPACING="0">
<TR>
<TD COLSPAN=3 BGCOLOR="#EEEEFF" CLASS="NavBarCell1">
<A NAME="navbar_top_firstrow"><!-- --></A><TABLE BORDER="0" CELLPADDING="0" CELLSPACING="3">
<TR ALIGN="center" VALIGN="top">
<TD BGCOLOR="#EEEEFF" CLASS="NavBarCell1"> <A HREF="../../../../overview-summary.html"><FONT CLASS="NavBarFont1"><B>Overview</B></FONT></A> </TD>
<TD BGCOLOR="#EEEEFF" CLASS="NavBarCell1"> <A HREF="package-summary.html"><FONT CLASS="NavBarFont1"><B>Package</B></FONT></A> </TD>
<TD BGCOLOR="#FFFFFF" CLASS="NavBarCell1Rev"> <FONT CLASS="NavBarFont1Rev"><B>Class</B></FONT> </TD>
<TD BGCOLOR="#EEEEFF" CLASS="NavBarCell1"> <A HREF="package-tree.html"><FONT CLASS="NavBarFont1"><B>Tree</B></FONT></A> </TD>
<TD BGCOLOR="#EEEEFF" CLASS="NavBarCell1"> <A HREF="../../../../deprecated-list.html"><FONT CLASS="NavBarFont1"><B>Deprecated</B></FONT></A> </TD>
<TD BGCOLOR="#EEEEFF" CLASS="NavBarCell1"> <A HREF="../../../../index-all.html"><FONT CLASS="NavBarFont1"><B>Index</B></FONT></A> </TD>
<TD BGCOLOR="#EEEEFF" CLASS="NavBarCell1"> <A HREF="../../../../help-doc.html"><FONT CLASS="NavBarFont1"><B>Help</B></FONT></A> </TD>
</TR>
</TABLE>
</TD>
<TD ALIGN="right" VALIGN="top" ROWSPAN=3><EM>
</EM>
</TD>
</TR>
<TR>
<TD BGCOLOR="white" CLASS="NavBarCell2"><FONT SIZE="-2">
<A HREF="../../../../com/lowagie/text/pdf/ByteBuffer.html"><B>PREV CLASS</B></A>
<A HREF="../../../../com/lowagie/text/pdf/CJKFont.html"><B>NEXT CLASS</B></A></FONT></TD>
<TD BGCOLOR="white" CLASS="NavBarCell2"><FONT SIZE="-2">
<A HREF="../../../../index.html" TARGET="_top"><B>FRAMES</B></A>
<A HREF="CCITTG4Encoder.html" TARGET="_top"><B>NO FRAMES</B></A>
<SCRIPT> <!-- if(window==top) { document.writeln('<A HREF="../../../../allclasses-noframe.html" TARGET=""><B>All Classes</B></A>'); } //--></SCRIPT><NOSCRIPT><A HREF="../../../../allclasses-noframe.html" TARGET=""><B>All Classes</B></A></NOSCRIPT></FONT></TD>
</TR>
<TR>
<TD VALIGN="top" CLASS="NavBarCell3"><FONT SIZE="-2">
SUMMARY: NESTED | <A HREF="#field_summary">FIELD</A> | <A HREF="#constructor_summary">CONSTR</A> | <A HREF="#method_summary">METHOD</A></FONT></TD>
<TD VALIGN="top" CLASS="NavBarCell3"><FONT SIZE="-2">
DETAIL: <A HREF="#field_detail">FIELD</A> | <A HREF="#constructor_detail">CONSTR</A> | <A HREF="#method_detail">METHOD</A></FONT></TD>
</TR>
</TABLE>
<!-- =========== END OF NAVBAR =========== -->
<HR>
<!-- ======== START OF CLASS DATA ======== -->
<H2>
<FONT SIZE="-1">
com.lowagie.text.pdf</FONT>
<BR>
Class CCITTG4Encoder</H2>
<PRE>
<A HREF="http://java.sun.com/j2se/1.3/docs/api/java/lang/Object.html">java.lang.Object</A>
|
+--<B>com.lowagie.text.pdf.CCITTG4Encoder</B>
</PRE>
<HR>
<DL>
<DT>public class <B>CCITTG4Encoder</B><DT>extends <A HREF="http://java.sun.com/j2se/1.3/docs/api/java/lang/Object.html">Object</A></DL>
<P>
<HR>
<P>
<!-- ======== NESTED CLASS SUMMARY ======== -->
<!-- =========== FIELD SUMMARY =========== -->
<A NAME="field_summary"><!-- --></A><TABLE BORDER="1" CELLPADDING="3" CELLSPACING="0" WIDTH="100%">
<TR BGCOLOR="#CCCCFF" CLASS="TableHeadingColor">
<TD COLSPAN=2><FONT SIZE="+2">
<B>Field Summary</B></FONT></TD>
</TR>
<TR BGCOLOR="white" CLASS="TableRowColor">
<TD ALIGN="right" VALIGN="top" WIDTH="1%"><FONT SIZE="-1">
<CODE>private int</CODE></FONT></TD>
<TD><CODE><B><A HREF="../../../../com/lowagie/text/pdf/CCITTG4Encoder.html#bits">bits</A></B></CODE>
<BR>
Output bit buffer.</TD>
</TR>
<TR BGCOLOR="white" CLASS="TableRowColor">
<TD ALIGN="right" VALIGN="top" WIDTH="1%"><FONT SIZE="-1">
<CODE>private static int</CODE></FONT></TD>
<TD><CODE><B><A HREF="../../../../com/lowagie/text/pdf/CCITTG4Encoder.html#BLACK">BLACK</A></B></CODE>
<BR>
The CCITT numerical definition of black.</TD>
</TR>
<TR BGCOLOR="white" CLASS="TableRowColor">
<TD ALIGN="right" VALIGN="top" WIDTH="1%"><FONT SIZE="-1">
<CODE>private static byte[]</CODE></FONT></TD>
<TD><CODE><B><A HREF="../../../../com/lowagie/text/pdf/CCITTG4Encoder.html#byteTable">byteTable</A></B></CODE>
<BR>
</TD>
</TR>
<TR BGCOLOR="white" CLASS="TableRowColor">
<TD ALIGN="right" VALIGN="top" WIDTH="1%"><FONT SIZE="-1">
<CODE>private static int[][]</CODE></FONT></TD>
<TD><CODE><B><A HREF="../../../../com/lowagie/text/pdf/CCITTG4Encoder.html#horz">horz</A></B></CODE>
<BR>
Black and white horizontal mode table.</TD>
</TR>
<TR BGCOLOR="white" CLASS="TableRowColor">
<TD ALIGN="right" VALIGN="top" WIDTH="1%"><FONT SIZE="-1">
<CODE>private static int[]</CODE></FONT></TD>
<TD><CODE><B><A HREF="../../../../com/lowagie/text/pdf/CCITTG4Encoder.html#horzMode">horzMode</A></B></CODE>
<BR>
Horizontal mode table.</TD>
</TR>
<TR BGCOLOR="white" CLASS="TableRowColor">
<TD ALIGN="right" VALIGN="top" WIDTH="1%"><FONT SIZE="-1">
<CODE>private static int[][]</CODE></FONT></TD>
<TD><CODE><B><A HREF="../../../../com/lowagie/text/pdf/CCITTG4Encoder.html#makeupCodes">makeupCodes</A></B></CODE>
<BR>
Black and white make-up code table.</TD>
</TR>
<TR BGCOLOR="white" CLASS="TableRowColor">
<TD ALIGN="right" VALIGN="top" WIDTH="1%"><FONT SIZE="-1">
<CODE>private static int[]</CODE></FONT></TD>
<TD><CODE><B><A HREF="../../../../com/lowagie/text/pdf/CCITTG4Encoder.html#makeupCodesBlack">makeupCodesBlack</A></B></CODE>
<BR>
Make-up codes for black runs.</TD>
</TR>
<TR BGCOLOR="white" CLASS="TableRowColor">
<TD ALIGN="right" VALIGN="top" WIDTH="1%"><FONT SIZE="-1">
<CODE>private static int[]</CODE></FONT></TD>
<TD><CODE><B><A HREF="../../../../com/lowagie/text/pdf/CCITTG4Encoder.html#makeupCodesWhite">makeupCodesWhite</A></B></CODE>
<BR>
Make-up codes for white runs.</TD>
</TR>
<TR BGCOLOR="white" CLASS="TableRowColor">
<TD ALIGN="right" VALIGN="top" WIDTH="1%"><FONT SIZE="-1">
<CODE>private int</CODE></FONT></TD>
<TD><CODE><B><A HREF="../../../../com/lowagie/text/pdf/CCITTG4Encoder.html#ndex">ndex</A></B></CODE>
<BR>
Number of bits in the output bit buffer.</TD>
</TR>
<TR BGCOLOR="white" CLASS="TableRowColor">
<TD ALIGN="right" VALIGN="top" WIDTH="1%"><FONT SIZE="-1">
<CODE>private static int[][]</CODE></FONT></TD>
<TD><CODE><B><A HREF="../../../../com/lowagie/text/pdf/CCITTG4Encoder.html#pass">pass</A></B></CODE>
<BR>
Black and white pass mode table.</TD>
</TR>
<TR BGCOLOR="white" CLASS="TableRowColor">
<TD ALIGN="right" VALIGN="top" WIDTH="1%"><FONT SIZE="-1">
<CODE>private static int[]</CODE></FONT></TD>
<TD><CODE><B><A HREF="../../../../com/lowagie/text/pdf/CCITTG4Encoder.html#passMode">passMode</A></B></CODE>
<BR>
Pass mode table.</TD>
</TR>
<TR BGCOLOR="white" CLASS="TableRowColor">
<TD ALIGN="right" VALIGN="top" WIDTH="1%"><FONT SIZE="-1">
<CODE>private static int[][]</CODE></FONT></TD>
<TD><CODE><B><A HREF="../../../../com/lowagie/text/pdf/CCITTG4Encoder.html#termCodes">termCodes</A></B></CODE>
<BR>
Black and white terminating code table.</TD>
</TR>
<TR BGCOLOR="white" CLASS="TableRowColor">
<TD ALIGN="right" VALIGN="top" WIDTH="1%"><FONT SIZE="-1">
<CODE>private static int[]</CODE></FONT></TD>
<TD><CODE><B><A HREF="../../../../com/lowagie/text/pdf/CCITTG4Encoder.html#termCodesBlack">termCodesBlack</A></B></CODE>
<BR>
Terminating codes for black runs.</TD>
</TR>
<TR BGCOLOR="white" CLASS="TableRowColor">
<TD ALIGN="right" VALIGN="top" WIDTH="1%"><FONT SIZE="-1">
<CODE>private static int[]</CODE></FONT></TD>
<TD><CODE><B><A HREF="../../../../com/lowagie/text/pdf/CCITTG4Encoder.html#termCodesWhite">termCodesWhite</A></B></CODE>
<BR>
Terminating codes for white runs.</TD>
</TR>
<TR BGCOLOR="white" CLASS="TableRowColor">
<TD ALIGN="right" VALIGN="top" WIDTH="1%"><FONT SIZE="-1">
<CODE>private static int[][]</CODE></FONT></TD>
<TD><CODE><B><A HREF="../../../../com/lowagie/text/pdf/CCITTG4Encoder.html#vert">vert</A></B></CODE>
<BR>
Black and white vertical mode table.</TD>
</TR>
<TR BGCOLOR="white" CLASS="TableRowColor">
<TD ALIGN="right" VALIGN="top" WIDTH="1%"><FONT SIZE="-1">
<CODE>private static int[]</CODE></FONT></TD>
<TD><CODE><B><A HREF="../../../../com/lowagie/text/pdf/CCITTG4Encoder.html#vertMode">vertMode</A></B></CODE>
<BR>
Vertical mode table.</TD>
</TR>
<TR BGCOLOR="white" CLASS="TableRowColor">
<TD ALIGN="right" VALIGN="top" WIDTH="1%"><FONT SIZE="-1">
<CODE>private static int</CODE></FONT></TD>
<TD><CODE><B><A HREF="../../../../com/lowagie/text/pdf/CCITTG4Encoder.html#WHITE">WHITE</A></B></CODE>
<BR>
The CCITT numerical definition of white.</TD>
</TR>
</TABLE>
<!-- ======== CONSTRUCTOR SUMMARY ======== -->
<A NAME="constructor_summary"><!-- --></A><TABLE BORDER="1" CELLPADDING="3" CELLSPACING="0" WIDTH="100%">
<TR BGCOLOR="#CCCCFF" CLASS="TableHeadingColor">
<TD COLSPAN=2><FONT SIZE="+2">
<B>Constructor Summary</B></FONT></TD>
</TR>
<TR BGCOLOR="white" CLASS="TableRowColor">
<TD><CODE><B><A HREF="../../../../com/lowagie/text/pdf/CCITTG4Encoder.html#CCITTG4Encoder()">CCITTG4Encoder</A></B>()</CODE>
<BR>
Constructs a <code>TIFFFaxEncoder</code> for CCITT bilevel encoding.</TD>
</TR>
</TABLE>
<!-- ========== METHOD SUMMARY =========== -->
<A NAME="method_summary"><!-- --></A><TABLE BORDER="1" CELLPADDING="3" CELLSPACING="0" WIDTH="100%">
<TR BGCOLOR="#CCCCFF" CLASS="TableHeadingColor">
<TD COLSPAN=2><FONT SIZE="+2">
<B>Method Summary</B></FONT></TD>
</TR>
<TR BGCOLOR="white" CLASS="TableRowColor">
<TD ALIGN="right" VALIGN="top" WIDTH="1%"><FONT SIZE="-1">
<CODE>private int</CODE></FONT></TD>
<TD><CODE><B><A HREF="../../../../com/lowagie/text/pdf/CCITTG4Encoder.html#add1DBits(byte[], int, int, int)">add1DBits</A></B>(byte[] buf, int where, int count, int color)</CODE>
<BR>
Get code for run and add to compressed bitstream.</TD>
</TR>
<TR BGCOLOR="white" CLASS="TableRowColor">
<TD ALIGN="right" VALIGN="top" WIDTH="1%"><FONT SIZE="-1">
<CODE>private int</CODE></FONT></TD>
<TD><CODE><B><A HREF="../../../../com/lowagie/text/pdf/CCITTG4Encoder.html#add2DBits(byte[], int, int[][], int)">add2DBits</A></B>(byte[] buf, int where, int[][] mode, int entry)</CODE>
<BR>
Place entry from mode table into compressed bitstream.</TD>
</TR>
<TR BGCOLOR="white" CLASS="TableRowColor">
<TD ALIGN="right" VALIGN="top" WIDTH="1%"><FONT SIZE="-1">
<CODE>private int</CODE></FONT></TD>
<TD><CODE><B><A HREF="../../../../com/lowagie/text/pdf/CCITTG4Encoder.html#addEOFB(byte[], int)">addEOFB</A></B>(byte[] buf, int where)</CODE>
<BR>
Add an End-of-Facsimile-Block (EOFB == 0x001001) to the compressed bitstream.</TD>
</TR>
<TR BGCOLOR="white" CLASS="TableRowColor">
<TD ALIGN="right" VALIGN="top" WIDTH="1%"><FONT SIZE="-1">
<CODE>private int</CODE></FONT></TD>
<TD><CODE><B><A HREF="../../../../com/lowagie/text/pdf/CCITTG4Encoder.html#addEOL(boolean, boolean, boolean, byte[], int)">addEOL</A></B>(boolean is1DMode, boolean addFill, boolean add1, byte[] buf, int where)</CODE>
<BR>
Add an End-of-Line (EOL == 0x001) to the compressed bitstream with optional byte alignment.</TD>
</TR>
<TR BGCOLOR="white" CLASS="TableRowColor">
<TD ALIGN="right" VALIGN="top" WIDTH="1%"><FONT SIZE="-1">
<CODE>static byte[]</CODE></FONT></TD>
<TD><CODE><B><A HREF="../../../../com/lowagie/text/pdf/CCITTG4Encoder.html#compress(byte[], int, int)">compress</A></B>(byte[] data, int width, int height)</CODE>
<BR>
</TD>
</TR>
<TR BGCOLOR="white" CLASS="TableRowColor">
<TD ALIGN="right" VALIGN="top" WIDTH="1%"><FONT SIZE="-1">
<CODE> byte[]</CODE></FONT></TD>
<TD><CODE><B><A HREF="../../../../com/lowagie/text/pdf/CCITTG4Encoder.html#encodeT6(byte[], int, int)">encodeT6</A></B>(byte[] data, int width, int height)</CODE>
<BR>
Encode a buffer of data using CCITT T.6 Compression also known as Group 4 facsimile compression.</TD>
</TR>
<TR BGCOLOR="white" CLASS="TableRowColor">
<TD ALIGN="right" VALIGN="top" WIDTH="1%"><FONT SIZE="-1">
<CODE>private void</CODE></FONT></TD>
<TD><CODE><B><A HREF="../../../../com/lowagie/text/pdf/CCITTG4Encoder.html#initBitBuf()">initBitBuf</A></B>()</CODE>
<BR>
Initialize bit buffer machinery.</TD>
</TR>
<TR BGCOLOR="white" CLASS="TableRowColor">
<TD ALIGN="right" VALIGN="top" WIDTH="1%"><FONT SIZE="-1">
<CODE>private int</CODE></FONT></TD>
<TD><CODE><B><A HREF="../../../../com/lowagie/text/pdf/CCITTG4Encoder.html#nextState(byte[], int, int, int)">nextState</A></B>(byte[] data, int base, int bitOffset, int maxOffset)</CODE>
<BR>
Return min of <code>maxOffset</code> or offset of first pixel different from pixel at <code>bitOffset</code>.</TD>
</TR>
</TABLE>
<A NAME="methods_inherited_from_class_java.lang.Object"><!-- --></A><TABLE BORDER="1" CELLPADDING="3" CELLSPACING="0" WIDTH="100%">
<TR BGCOLOR="#EEEEFF" CLASS="TableSubHeadingColor">
<TD><B>Methods inherited from class java.lang.<A HREF="http://java.sun.com/j2se/1.3/docs/api/java/lang/Object.html">Object</A></B></TD>
</TR>
<TR BGCOLOR="white" CLASS="TableRowColor">
<TD><CODE><A HREF="http://java.sun.com/j2se/1.3/docs/api/java/lang/Object.html#clone()">clone</A>, <A HREF="http://java.sun.com/j2se/1.3/docs/api/java/lang/Object.html#equals(java.lang.Object)">equals</A>, <A HREF="http://java.sun.com/j2se/1.3/docs/api/java/lang/Object.html#finalize()">finalize</A>, <A HREF="http://java.sun.com/j2se/1.3/docs/api/java/lang/Object.html#getClass()">getClass</A>, <A HREF="http://java.sun.com/j2se/1.3/docs/api/java/lang/Object.html#hashCode()">hashCode</A>, <A HREF="http://java.sun.com/j2se/1.3/docs/api/java/lang/Object.html#notify()">notify</A>, <A HREF="http://java.sun.com/j2se/1.3/docs/api/java/lang/Object.html#notifyAll()">notifyAll</A>, <A HREF="http://java.sun.com/j2se/1.3/docs/api/java/lang/Object.html#toString()">toString</A>, <A HREF="http://java.sun.com/j2se/1.3/docs/api/java/lang/Object.html#wait()">wait</A>, <A HREF="http://java.sun.com/j2se/1.3/docs/api/java/lang/Object.html#wait(long)">wait</A>, <A HREF="http://java.sun.com/j2se/1.3/docs/api/java/lang/Object.html#wait(long, int)">wait</A></CODE></TD>
</TR>
</TABLE>
<P>
<!-- ============ FIELD DETAIL =========== -->
<A NAME="field_detail"><!-- --></A><TABLE BORDER="1" CELLPADDING="3" CELLSPACING="0" WIDTH="100%">
<TR BGCOLOR="#CCCCFF" CLASS="TableHeadingColor">
<TD COLSPAN=1><FONT SIZE="+2">
<B>Field Detail</B></FONT></TD>
</TR>
</TABLE>
<A NAME="WHITE"><!-- --></A><H3>
WHITE</H3>
<PRE>
private static final int <B>WHITE</B></PRE>
<DL>
<DD>The CCITT numerical definition of white.
<P>
<DL>
<DT><B>See Also:</B><DD><A HREF="../../../../constant-values.html#com.lowagie.text.pdf.CCITTG4Encoder.WHITE">Constant Field Values</A></DL>
</DL>
<HR>
<A NAME="BLACK"><!-- --></A><H3>
BLACK</H3>
<PRE>
private static final int <B>BLACK</B></PRE>
<DL>
<DD>The CCITT numerical definition of black.
<P>
<DL>
<DT><B>See Also:</B><DD><A HREF="../../../../constant-values.html#com.lowagie.text.pdf.CCITTG4Encoder.BLACK">Constant Field Values</A></DL>
⌨️ 快捷键说明
复制代码
Ctrl + C
搜索代码
Ctrl + F
全屏模式
F11
切换主题
Ctrl + Shift + D
显示快捷键
?
增大字号
Ctrl + =
减小字号
Ctrl + -