📄 utilities.html
字号:
<!DOCTYPE HTML PUBLIC "-//W3C//DTD HTML 4.01 Transitional//EN" "http://www.w3.org/TR/html4/loose.dtd"><!--NewPage--><HTML><HEAD><!-- Generated by javadoc (build 1.6.0_04) on Sat May 17 11:57:44 CEST 2008 --><TITLE>Utilities</TITLE><META NAME="date" CONTENT="2008-05-17"><LINK REL ="stylesheet" TYPE="text/css" HREF="../../../stylesheet.css" TITLE="Style"><SCRIPT type="text/javascript">function windowTitle(){ if (location.href.indexOf('is-external=true') == -1) { parent.document.title="Utilities"; }}</SCRIPT><NOSCRIPT></NOSCRIPT></HEAD><BODY BGCOLOR="white" onload="windowTitle();"><HR><!-- ========= START OF TOP NAVBAR ======= --><A NAME="navbar_top"><!-- --></A><A HREF="#skip-navbar_top" title="Skip navigation links"></A><TABLE BORDER="0" WIDTH="100%" CELLPADDING="1" CELLSPACING="0" SUMMARY=""><TR><TD COLSPAN=2 BGCOLOR="#EEEEFF" CLASS="NavBarCell1"><A NAME="navbar_top_firstrow"><!-- --></A><TABLE BORDER="0" CELLPADDING="0" CELLSPACING="3" SUMMARY=""> <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><a href="http://www.1t3xt.com/docs/book.php" target="_blank"><img src="http://www.1t3xt.com/img/book/lowagie_3d.jpg" border="0" /></a></EM></TD></TR><TR><TD BGCOLOR="white" CLASS="NavBarCell2"><FONT SIZE="-2"> <A HREF="../../../com/lowagie/text/TextElementArray.html" title="interface in com.lowagie.text"><B>PREV CLASS</B></A> <A HREF="../../../com/lowagie/text/ZapfDingbatsList.html" title="class in com.lowagie.text"><B>NEXT CLASS</B></A></FONT></TD><TD BGCOLOR="white" CLASS="NavBarCell2"><FONT SIZE="-2"> <A HREF="../../../index.html?com/lowagie/text/Utilities.html" target="_top"><B>FRAMES</B></A> <A HREF="Utilities.html" target="_top"><B>NO FRAMES</B></A> <SCRIPT type="text/javascript"> <!-- if(window==top) { document.writeln('<A HREF="../../../allclasses-noframe.html"><B>All Classes</B></A>'); } //--></SCRIPT><NOSCRIPT> <A HREF="../../../allclasses-noframe.html"><B>All Classes</B></A></NOSCRIPT></FONT></TD></TR><TR><TD VALIGN="top" CLASS="NavBarCell3"><FONT SIZE="-2"> SUMMARY: NESTED | FIELD | <A HREF="#constructor_summary">CONSTR</A> | <A HREF="#method_summary">METHOD</A></FONT></TD><TD VALIGN="top" CLASS="NavBarCell3"><FONT SIZE="-2">DETAIL: FIELD | <A HREF="#constructor_detail">CONSTR</A> | <A HREF="#method_detail">METHOD</A></FONT></TD></TR></TABLE><A NAME="skip-navbar_top"></A><!-- ========= END OF TOP NAVBAR ========= --><HR><!-- ======== START OF CLASS DATA ======== --><H2><FONT SIZE="-1">com.lowagie.text</FONT><BR>Class Utilities</H2><PRE><A HREF="http://java.sun.com/j2se/1.4/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 "><B>com.lowagie.text.Utilities</B></PRE><HR><DL><DT><PRE>public class <B>Utilities</B><DT>extends <A HREF="http://java.sun.com/j2se/1.4/docs/api/java/lang/Object.html?is-external=true" title="class or interface in java.lang">Object</A></DL></PRE><P>A collection of convenience methods that were present in many different iText classes.<P><P><HR><P><!-- ======== CONSTRUCTOR SUMMARY ======== --><A NAME="constructor_summary"><!-- --></A><TABLE BORDER="1" WIDTH="100%" CELLPADDING="3" CELLSPACING="0" SUMMARY=""><TR BGCOLOR="#CCCCFF" CLASS="TableHeadingColor"><TH ALIGN="left" COLSPAN="2"><FONT SIZE="+2"><B>Constructor Summary</B></FONT></TH></TR><TR BGCOLOR="white" CLASS="TableRowColor"><TD><CODE><B><A HREF="../../../com/lowagie/text/Utilities.html#Utilities()">Utilities</A></B>()</CODE><BR> </TD></TR></TABLE> <!-- ========== METHOD SUMMARY =========== --><A NAME="method_summary"><!-- --></A><TABLE BORDER="1" WIDTH="100%" CELLPADDING="3" CELLSPACING="0" SUMMARY=""><TR BGCOLOR="#CCCCFF" CLASS="TableHeadingColor"><TH ALIGN="left" COLSPAN="2"><FONT SIZE="+2"><B>Method Summary</B></FONT></TH></TR><TR BGCOLOR="white" CLASS="TableRowColor"><TD ALIGN="right" VALIGN="top" WIDTH="1%"><FONT SIZE="-1"><CODE>static <A HREF="http://java.sun.com/j2se/1.4/docs/api/java/lang/Object.html?is-external=true" title="class or interface in java.lang">Object</A>[][]</CODE></FONT></TD><TD><CODE><B><A HREF="../../../com/lowagie/text/Utilities.html#addToArray(java.lang.Object[][], java.lang.Object[])">addToArray</A></B>(<A HREF="http://java.sun.com/j2se/1.4/docs/api/java/lang/Object.html?is-external=true" title="class or interface in java.lang">Object</A>[][] original, <A HREF="http://java.sun.com/j2se/1.4/docs/api/java/lang/Object.html?is-external=true" title="class or interface in java.lang">Object</A>[] item)</CODE><BR> Utility method to extend an array.</TD></TR><TR BGCOLOR="white" CLASS="TableRowColor"><TD ALIGN="right" VALIGN="top" WIDTH="1%"><FONT SIZE="-1"><CODE>static boolean</CODE></FONT></TD><TD><CODE><B><A HREF="../../../com/lowagie/text/Utilities.html#checkTrueOrFalse(java.util.Properties, java.lang.String)">checkTrueOrFalse</A></B>(<A HREF="http://java.sun.com/j2se/1.4/docs/api/java/util/Properties.html?is-external=true" title="class or interface in java.util">Properties</A> attributes, <A HREF="http://java.sun.com/j2se/1.4/docs/api/java/lang/String.html?is-external=true" title="class or interface in java.lang">String</A> key)</CODE><BR> Checks for a true/false value of a key in a Properties object.</TD></TR><TR BGCOLOR="white" CLASS="TableRowColor"><TD ALIGN="right" VALIGN="top" WIDTH="1%"><FONT SIZE="-1"><CODE>static <A HREF="http://java.sun.com/j2se/1.4/docs/api/java/lang/String.html?is-external=true" title="class or interface in java.lang">String</A></CODE></FONT></TD><TD><CODE><B><A HREF="../../../com/lowagie/text/Utilities.html#convertFromUtf32(int)">convertFromUtf32</A></B>(int codePoint)</CODE><BR> Converts a UTF32 code point value to a String with the corresponding character(s).</TD></TR><TR BGCOLOR="white" CLASS="TableRowColor"><TD ALIGN="right" VALIGN="top" WIDTH="1%"><FONT SIZE="-1"><CODE>static int</CODE></FONT></TD><TD><CODE><B><A HREF="../../../com/lowagie/text/Utilities.html#convertToUtf32(char[], int)">convertToUtf32</A></B>(char[] text, int idx)</CODE><BR> Converts a unicode character in a character array to a UTF 32 code point value.</TD></TR><TR BGCOLOR="white" CLASS="TableRowColor"><TD ALIGN="right" VALIGN="top" WIDTH="1%"><FONT SIZE="-1"><CODE>static int</CODE></FONT></TD><TD><CODE><B><A HREF="../../../com/lowagie/text/Utilities.html#convertToUtf32(char, char)">convertToUtf32</A></B>(char highSurrogate, char lowSurrogate)</CODE><BR> Returns the code point of a UTF32 character corresponding with a high and a low surrogate value.</TD></TR><TR BGCOLOR="white" CLASS="TableRowColor"><TD ALIGN="right" VALIGN="top" WIDTH="1%"><FONT SIZE="-1"><CODE>static int</CODE></FONT></TD><TD><CODE><B><A HREF="../../../com/lowagie/text/Utilities.html#convertToUtf32(java.lang.String, int)">convertToUtf32</A></B>(<A HREF="http://java.sun.com/j2se/1.4/docs/api/java/lang/String.html?is-external=true" title="class or interface in java.lang">String</A> text, int idx)</CODE><BR> Converts a unicode character in a String to a UTF32 code point value</TD></TR><TR BGCOLOR="white" CLASS="TableRowColor"><TD ALIGN="right" VALIGN="top" WIDTH="1%"><FONT SIZE="-1"><CODE>static <A HREF="http://java.sun.com/j2se/1.4/docs/api/java/util/Set.html?is-external=true" title="class or interface in java.util">Set</A></CODE></FONT></TD><TD><CODE><B><A HREF="../../../com/lowagie/text/Utilities.html#getKeySet(java.util.Hashtable)">getKeySet</A></B>(<A HREF="http://java.sun.com/j2se/1.4/docs/api/java/util/Hashtable.html?is-external=true" title="class or interface in java.util">Hashtable</A> table)</CODE><BR> Gets the keys of a Hashtable</TD></TR><TR BGCOLOR="white" CLASS="TableRowColor"><TD ALIGN="right" VALIGN="top" WIDTH="1%"><FONT SIZE="-1"><CODE>static float</CODE></FONT></TD><TD><CODE><B><A HREF="../../../com/lowagie/text/Utilities.html#inchesToMillimeters(float)">inchesToMillimeters</A></B>(float value)</CODE><BR> Measurement conversion from inches to millimeters.</TD></TR><TR BGCOLOR="white" CLASS="TableRowColor"><TD ALIGN="right" VALIGN="top" WIDTH="1%"><FONT SIZE="-1"><CODE>static float</CODE></FONT></TD><TD><CODE><B><A HREF="../../../com/lowagie/text/Utilities.html#inchesToPoints(float)">inchesToPoints</A></B>(float value)</CODE><BR> Measurement conversion from inches to points.</TD></TR><TR BGCOLOR="white" CLASS="TableRowColor"><TD ALIGN="right" VALIGN="top" WIDTH="1%"><FONT SIZE="-1"><CODE>static boolean</CODE></FONT></TD><TD><CODE><B><A HREF="../../../com/lowagie/text/Utilities.html#isSurrogateHigh(char)">isSurrogateHigh</A></B>(char c)</CODE><BR> Check if the value of a character belongs to a certain interval that indicates it's the higher part of a surrogate pair.</TD></TR><TR BGCOLOR="white" CLASS="TableRowColor"><TD ALIGN="right" VALIGN="top" WIDTH="1%"><FONT SIZE="-1"><CODE>static boolean</CODE></FONT></TD><TD><CODE><B><A HREF="../../../com/lowagie/text/Utilities.html#isSurrogateLow(char)">isSurrogateLow</A></B>(char c)</CODE><BR> Check if the value of a character belongs to a certain interval that indicates it's the lower part of a surrogate pair.</TD></TR><TR BGCOLOR="white" CLASS="TableRowColor"><TD ALIGN="right" VALIGN="top" WIDTH="1%"><FONT SIZE="-1"><CODE>static boolean</CODE></FONT></TD><TD><CODE><B><A HREF="../../../com/lowagie/text/Utilities.html#isSurrogatePair(char[], int)">isSurrogatePair</A></B>(char[] text, int idx)</CODE><BR> Checks if two subsequent characters in a character array are are the higher and the lower character in a surrogate pair (and therefore eligible for conversion to a UTF 32 character).</TD></TR><TR BGCOLOR="white" CLASS="TableRowColor"><TD ALIGN="right" VALIGN="top" WIDTH="1%"><FONT SIZE="-1"><CODE>static boolean</CODE></FONT></TD><TD><CODE><B><A HREF="../../../com/lowagie/text/Utilities.html#isSurrogatePair(java.lang.String, int)">isSurrogatePair</A></B>(<A HREF="http://java.sun.com/j2se/1.4/docs/api/java/lang/String.html?is-external=true" title="class or interface in java.lang">String</A> text, int idx)</CODE><BR>⌨️ 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 + -