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<!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 1.4.2_03) on Mon Jun 07 16:42:35 BST 2004 --><TITLE>Title (JFreeChart Class Library (version 0.9.20))</TITLE><META NAME="keywords" CONTENT="org.jfree.chart.title.Title class"><LINK REL ="stylesheet" TYPE="text/css" HREF="../../../../stylesheet.css" TITLE="Style"><SCRIPT type="text/javascript">function windowTitle(){ parent.document.title="Title (JFreeChart Class Library (version 0.9.20))";}</SCRIPT></HEAD><BODY BGCOLOR="white" onload="windowTitle();"><!-- ========= 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=3 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></EM></TD></TR><TR><TD BGCOLOR="white" CLASS="NavBarCell2"><FONT SIZE="-2"> <A HREF="../../../../org/jfree/chart/title/TextTitle.html" title="class in org.jfree.chart.title"><B>PREV CLASS</B></A> NEXT CLASS</FONT></TD><TD BGCOLOR="white" CLASS="NavBarCell2"><FONT SIZE="-2"> <A HREF="../../../../index.html" target="_top"><B>FRAMES</B></A> <A HREF="Title.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 | <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><A NAME="skip-navbar_top"></A><!-- ========= END OF TOP NAVBAR ========= --><HR><!-- ======== START OF CLASS DATA ======== --><H2><FONT SIZE="-1">org.jfree.chart.title</FONT><BR>Class Title</H2><PRE>java.lang.Object <IMG SRC="../../../../resources/inherit.gif" ALT="extended by"><B>org.jfree.chart.title.Title</B></PRE><DL><DT><B>All Implemented Interfaces:</B> <DD>java.lang.Cloneable, java.io.Serializable</DD></DL><DL><DT><B>Direct Known Subclasses:</B> <DD><A HREF="../../../../org/jfree/chart/title/ImageTitle.html" title="class in org.jfree.chart.title">ImageTitle</A>, <A HREF="../../../../org/jfree/chart/title/LegendTitle.html" title="class in org.jfree.chart.title">LegendTitle</A>, <A HREF="../../../../org/jfree/chart/title/TextTitle.html" title="class in org.jfree.chart.title">TextTitle</A></DD></DL><HR><DL><DT>public abstract class <B>Title</B><DT>extends java.lang.Object<DT>implements java.lang.Cloneable, java.io.Serializable</DL><P>The base class for all chart titles. A chart can have multiple titles, appearing at the top, bottom, left or right of the chart. <P> Concrete implementations of this class will render text and images, and hence do the actual work of drawing titles.<P><P><DL><DT><B>Author:</B></DT> <DD>David Berry</DD><DT><B>See Also:</B><DD><A HREF="../../../../serialized-form.html#org.jfree.chart.title.Title">Serialized Form</A></DL><HR><P><!-- ======== NESTED CLASS SUMMARY ======== --><!-- =========== FIELD SUMMARY =========== --><A NAME="field_summary"><!-- --></A><TABLE BORDER="1" WIDTH="100%" CELLPADDING="3" CELLSPACING="0" SUMMARY=""><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>static int</CODE></FONT></TD><TD><CODE><B><A HREF="../../../../org/jfree/chart/title/Title.html#BOTTOM">BOTTOM</A></B></CODE><BR> Useful constant for the title position (also used for vertical alignment).</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="../../../../org/jfree/chart/title/Title.html#CENTER">CENTER</A></B></CODE><BR> Useful constant for the title alignment (horizontal or vertical).</TD></TR><TR BGCOLOR="white" CLASS="TableRowColor"><TD ALIGN="right" VALIGN="top" WIDTH="1%"><FONT SIZE="-1"><CODE>static org.jfree.ui.HorizontalAlignment</CODE></FONT></TD><TD><CODE><B><A HREF="../../../../org/jfree/chart/title/Title.html#DEFAULT_HORIZONTAL_ALIGNMENT">DEFAULT_HORIZONTAL_ALIGNMENT</A></B></CODE><BR> The default horizontal alignment.</TD></TR><TR BGCOLOR="white" CLASS="TableRowColor"><TD ALIGN="right" VALIGN="top" WIDTH="1%"><FONT SIZE="-1"><CODE>static org.jfree.ui.RectangleEdge</CODE></FONT></TD><TD><CODE><B><A HREF="../../../../org/jfree/chart/title/Title.html#DEFAULT_POSITION">DEFAULT_POSITION</A></B></CODE><BR> The default title position.</TD></TR><TR BGCOLOR="white" CLASS="TableRowColor"><TD ALIGN="right" VALIGN="top" WIDTH="1%"><FONT SIZE="-1"><CODE>static org.jfree.ui.Spacer</CODE></FONT></TD><TD><CODE><B><A HREF="../../../../org/jfree/chart/title/Title.html#DEFAULT_SPACER">DEFAULT_SPACER</A></B></CODE><BR> Default title spacer.</TD></TR><TR BGCOLOR="white" CLASS="TableRowColor"><TD ALIGN="right" VALIGN="top" WIDTH="1%"><FONT SIZE="-1"><CODE>static org.jfree.ui.VerticalAlignment</CODE></FONT></TD><TD><CODE><B><A HREF="../../../../org/jfree/chart/title/Title.html#DEFAULT_VERTICAL_ALIGNMENT">DEFAULT_VERTICAL_ALIGNMENT</A></B></CODE><BR> The default vertical alignment.</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="../../../../org/jfree/chart/title/Title.html#EAST">EAST</A></B></CODE><BR> Useful constant for the title position.</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="../../../../org/jfree/chart/title/Title.html#LEFT">LEFT</A></B></CODE><BR> Useful constant for the title position (also used for horizontal alignment).</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="../../../../org/jfree/chart/title/Title.html#MIDDLE">MIDDLE</A></B></CODE><BR> Useful constant for the title alignment (horizontal or vertical).</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="../../../../org/jfree/chart/title/Title.html#NORTH">NORTH</A></B></CODE><BR> Useful constant for the title position.</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="../../../../org/jfree/chart/title/Title.html#RIGHT">RIGHT</A></B></CODE><BR> Useful constant for the title position (also used for horizontal alignment).</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="../../../../org/jfree/chart/title/Title.html#SOUTH">SOUTH</A></B></CODE><BR> Useful constant for the title position.</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="../../../../org/jfree/chart/title/Title.html#TOP">TOP</A></B></CODE><BR> Useful constant for the title position (also used for vertical alignment).</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="../../../../org/jfree/chart/title/Title.html#WEST">WEST</A></B></CODE><BR> Useful constant for the title position.</TD></TR></TABLE> <!-- ======== CONSTRUCTOR SUMMARY ======== --><A NAME="constructor_summary"><!-- --></A><TABLE BORDER="1" WIDTH="100%" CELLPADDING="3" CELLSPACING="0" SUMMARY=""><TR BGCOLOR="#CCCCFF" CLASS="TableHeadingColor"><TD COLSPAN=2><FONT SIZE="+2"><B>Constructor Summary</B></FONT></TD></TR><TR BGCOLOR="white" CLASS="TableRowColor"><TD ALIGN="right" VALIGN="top" WIDTH="1%"><FONT SIZE="-1"><CODE>protected </CODE></FONT></TD><TD><CODE><B><A HREF="../../../../org/jfree/chart/title/Title.html#Title()">Title</A></B>()</CODE><BR> Creates a new title, using default attributes where necessary.</TD></TR><TR BGCOLOR="white" CLASS="TableRowColor"><TD ALIGN="right" VALIGN="top" WIDTH="1%"><FONT SIZE="-1"><CODE>protected </CODE></FONT></TD><TD><CODE><B><A HREF="../../../../org/jfree/chart/title/Title.html#Title(org.jfree.ui.RectangleEdge, org.jfree.ui.HorizontalAlignment, org.jfree.ui.VerticalAlignment)">Title</A></B>(org.jfree.ui.RectangleEdge position, org.jfree.ui.HorizontalAlignment horizontalAlignment, org.jfree.ui.VerticalAlignment verticalAlignment)</CODE><BR> Creates a new title, using default attributes where necessary.</TD></TR><TR BGCOLOR="white" CLASS="TableRowColor"><TD ALIGN="right" VALIGN="top" WIDTH="1%"><FONT SIZE="-1"><CODE>protected </CODE></FONT></TD><TD><CODE><B><A HREF="../../../../org/jfree/chart/title/Title.html#Title(org.jfree.ui.RectangleEdge, org.jfree.ui.HorizontalAlignment, org.jfree.ui.VerticalAlignment, org.jfree.ui.Spacer)">Title</A></B>(org.jfree.ui.RectangleEdge position, org.jfree.ui.HorizontalAlignment horizontalAlignment, org.jfree.ui.VerticalAlignment verticalAlignment, org.jfree.ui.Spacer spacer)</CODE><BR> Creates a new title.</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"><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> void</CODE></FONT></TD><TD><CODE><B><A HREF="../../../../org/jfree/chart/title/Title.html#addChangeListener(org.jfree.chart.event.TitleChangeListener)">addChangeListener</A></B>(<A HREF="../../../../org/jfree/chart/event/TitleChangeListener.html" title="interface in org.jfree.chart.event">TitleChangeListener</A> listener)</CODE><BR> Registers an object for notification of changes to the title.</TD></TR><TR BGCOLOR="white" CLASS="TableRowColor"><TD ALIGN="right" VALIGN="top" WIDTH="1%"><FONT SIZE="-1"><CODE> java.lang.Object</CODE></FONT></TD><TD><CODE><B><A HREF="../../../../org/jfree/chart/title/Title.html#clone()">clone</A></B>()</CODE><BR> Returns a clone of the title.</TD></TR><TR BGCOLOR="white" CLASS="TableRowColor"><TD ALIGN="right" VALIGN="top" WIDTH="1%"><FONT SIZE="-1"><CODE>abstract void</CODE></FONT></TD><TD><CODE><B><A HREF="../../../../org/jfree/chart/title/Title.html#draw(java.awt.Graphics2D, java.awt.geom.Rectangle2D)">draw</A></B>(java.awt.Graphics2D g2, java.awt.geom.Rectangle2D area)</CODE><BR> Draws the title on a Java 2D graphics device (such as the screen or a printer).</TD></TR><TR BGCOLOR="white" CLASS="TableRowColor"><TD ALIGN="right" VALIGN="top" WIDTH="1%"><FONT SIZE="-1"><CODE> boolean</CODE></FONT></TD><TD><CODE><B><A HREF="../../../../org/jfree/chart/title/Title.html#equals(java.lang.Object)">equals</A></B>(java.lang.Object obj)</CODE><BR> Tests an object for equality with this title.</TD></TR><TR BGCOLOR="white" CLASS="TableRowColor"><TD ALIGN="right" VALIGN="top" WIDTH="1%"><FONT SIZE="-1"><CODE> org.jfree.ui.HorizontalAlignment</CODE></FONT></TD><TD><CODE><B><A HREF="../../../../org/jfree/chart/title/Title.html#getHorizontalAlignment()">getHorizontalAlignment</A></B>()</CODE><BR> Returns the horizontal alignment of the title.</TD></TR><TR BGCOLOR="white" CLASS="TableRowColor"><TD ALIGN="right" VALIGN="top" WIDTH="1%"><FONT SIZE="-1"><CODE> boolean</CODE></FONT></TD><TD><CODE><B><A HREF="../../../../org/jfree/chart/title/Title.html#getNotify()">getNotify</A></B>()</CODE><BR> Returns the flag that indicates whether or not the notification mechanism is enabled.</TD></TR><TR BGCOLOR="white" CLASS="TableRowColor"><TD ALIGN="right" VALIGN="top" WIDTH="1%"><FONT SIZE="-1"><CODE> org.jfree.ui.RectangleEdge</CODE></FONT></TD><TD><CODE><B><A HREF="../../../../org/jfree/chart/title/Title.html#getPosition()">getPosition</A></B>()</CODE><BR> Returns the position of the title.</TD></TR><TR BGCOLOR="white" CLASS="TableRowColor"><TD ALIGN="right" VALIGN="top" WIDTH="1%"><FONT SIZE="-1"><CODE>abstract float</CODE></FONT></TD><TD><CODE><B><A HREF="../../../../org/jfree/chart/title/Title.html#getPreferredHeight(java.awt.Graphics2D, float)">getPreferredHeight</A></B>(java.awt.Graphics2D g2, float width)</CODE><BR> Returns the preferred height of the title.</TD></TR><TR BGCOLOR="white" CLASS="TableRowColor"><TD ALIGN="right" VALIGN="top" WIDTH="1%"><FONT SIZE="-1"><CODE>abstract float</CODE></FONT></TD><TD><CODE><B><A HREF="../../../../org/jfree/chart/title/Title.html#getPreferredWidth(java.awt.Graphics2D, float)">getPreferredWidth</A></B>(java.awt.Graphics2D g2, float height)</CODE><BR> Returns the preferred width of the title.</TD></TR><TR BGCOLOR="white" CLASS="TableRowColor"><TD ALIGN="right" VALIGN="top" WIDTH="1%"><FONT SIZE="-1"><CODE> org.jfree.ui.Spacer</CODE></FONT></TD>⌨️ 快捷键说明
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