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<!DOCTYPE HTML PUBLIC "-//W3C//DTD HTML 4.0 Frameset//EN""http://www.w3.org/TR/REC-html40/frameset.dtd"><!--NewPage--><HTML><HEAD><!-- Generated by javadoc on Thu Apr 27 23:38:16 PDT 2000 --><TITLE>Java 2 Platform SE v1.3: Class DebugGraphics</TITLE><LINK REL ="stylesheet" TYPE="text/css" HREF="../../stylesheet.css" TITLE="Style"></HEAD><BODY BGCOLOR="white"><!-- ========== START OF NAVBAR ========== --><A NAME="navbar_top"><!-- --></A><TABLE BORDER="0" WIDTH="100%" CELLPADDING="1" CELLSPACING="0"><TR><TD COLSPAN=2 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="class-use/DebugGraphics.html"><FONT CLASS="NavBarFont1"><B>Use</B></FONT></A> </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-files/index-1.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><b>Java<sup><font size=-2>TM</font></sup> 2 Platform<br>Std. Ed. v1.3</b></EM></TD></TR><TR><TD BGCOLOR="white" CLASS="NavBarCell2"><FONT SIZE="-2"> <A HREF="../../javax/swing/ComponentInputMap.html"><B>PREV CLASS</B></A> <A HREF="../../javax/swing/DefaultBoundedRangeModel.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="DebugGraphics.html" TARGET="_top"><B>NO FRAMES</B></A></FONT></TD></TR><TR><TD VALIGN="top" CLASS="NavBarCell3"><FONT SIZE="-2"> SUMMARY: INNER | <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">javax.swing</FONT><BR>Class DebugGraphics</H2><PRE><A HREF="../../java/lang/Object.html">java.lang.Object</A> | +--<A HREF="../../java/awt/Graphics.html">java.awt.Graphics</A> | +--<B>javax.swing.DebugGraphics</B></PRE><HR><DL><DT>public class <B>DebugGraphics</B><DT>extends <A HREF="../../java/awt/Graphics.html">Graphics</A></DL><P>Graphics subclass supporting graphics debugging. Overrides most methods from Graphics. DebugGraphics objects are rarely created by hand. They are most frequently created automatically when a JComponent's debugGraphicsOptions are changed using the setDebugGraphicsOptions() method. <p> NOTE: You must turn off double buffering to use DebugGraphics: RepaintManager repaintManager = RepaintManager.currentManager(component); repaintManager.setDoubleBufferingEnabled(false);<P><DL><DT><B>See Also: </B><DD><A HREF="../../javax/swing/JComponent.html#setDebugGraphicsOptions(int)"><CODE>JComponent.setDebugGraphicsOptions(int)</CODE></A>, <A HREF="../../javax/swing/RepaintManager.html#currentManager(java.awt.Component)"><CODE>RepaintManager.currentManager(java.awt.Component)</CODE></A>, <A HREF="../../javax/swing/RepaintManager.html#setDoubleBufferingEnabled(boolean)"><CODE>RepaintManager.setDoubleBufferingEnabled(boolean)</CODE></A></DL><HR><P><!-- ======== INNER 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>static int</CODE></FONT></TD><TD><CODE><B><A HREF="../../javax/swing/DebugGraphics.html#BUFFERED_OPTION">BUFFERED_OPTION</A></B></CODE><BR> Show buffered operations in a seperate Frame.</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="../../javax/swing/DebugGraphics.html#FLASH_OPTION">FLASH_OPTION</A></B></CODE><BR> Flash graphics operations.</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="../../javax/swing/DebugGraphics.html#LOG_OPTION">LOG_OPTION</A></B></CODE><BR> Log graphics operations.</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="../../javax/swing/DebugGraphics.html#NONE_OPTION">NONE_OPTION</A></B></CODE><BR> Don't debug graphics operations.</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="../../javax/swing/DebugGraphics.html#DebugGraphics()">DebugGraphics</A></B>()</CODE><BR> Constructs a new debug graphics context that supports slowed down drawing.</TD></TR><TR BGCOLOR="white" CLASS="TableRowColor"><TD><CODE><B><A HREF="../../javax/swing/DebugGraphics.html#DebugGraphics(java.awt.Graphics)">DebugGraphics</A></B>(<A HREF="../../java/awt/Graphics.html">Graphics</A> graphics)</CODE><BR> Constructs a debug graphics context from an existing graphics context that supports slowed down drawing.</TD></TR><TR BGCOLOR="white" CLASS="TableRowColor"><TD><CODE><B><A HREF="../../javax/swing/DebugGraphics.html#DebugGraphics(java.awt.Graphics, javax.swing.JComponent)">DebugGraphics</A></B>(<A HREF="../../java/awt/Graphics.html">Graphics</A> graphics, <A HREF="../../javax/swing/JComponent.html">JComponent</A> component)</CODE><BR> Constructs a debug graphics context from an existing graphics context that slows down drawing for the specified component.</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> void</CODE></FONT></TD><TD><CODE><B><A HREF="../../javax/swing/DebugGraphics.html#clearRect(int, int, int, int)">clearRect</A></B>(int x, int y, int width, int height)</CODE><BR> Overrides <code>Graphics.clearRect</code>.</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="../../javax/swing/DebugGraphics.html#clipRect(int, int, int, int)">clipRect</A></B>(int x, int y, int width, int height)</CODE><BR> Overrides <code>Graphics.clipRect</code>.</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="../../javax/swing/DebugGraphics.html#copyArea(int, int, int, int, int, int)">copyArea</A></B>(int x, int y, int width, int height, int destX, int destY)</CODE><BR> Overrides <code>Graphics.copyArea</code>.</TD></TR><TR BGCOLOR="white" CLASS="TableRowColor"><TD ALIGN="right" VALIGN="top" WIDTH="1%"><FONT SIZE="-1"><CODE> <A HREF="../../java/awt/Graphics.html">Graphics</A></CODE></FONT></TD><TD><CODE><B><A HREF="../../javax/swing/DebugGraphics.html#create()">create</A></B>()</CODE><BR> Overrides <code>Graphics.create</code> to return a DebugGraphics object.</TD></TR><TR BGCOLOR="white" CLASS="TableRowColor"><TD ALIGN="right" VALIGN="top" WIDTH="1%"><FONT SIZE="-1"><CODE> <A HREF="../../java/awt/Graphics.html">Graphics</A></CODE></FONT></TD><TD><CODE><B><A HREF="../../javax/swing/DebugGraphics.html#create(int, int, int, int)">create</A></B>(int x, int y, int width, int height)</CODE><BR> Overrides <code>Graphics.create</code> to return a DebugGraphics object.</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="../../javax/swing/DebugGraphics.html#dispose()">dispose</A></B>()</CODE><BR> Overrides <code>Graphics.dispose</code>.</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="../../javax/swing/DebugGraphics.html#draw3DRect(int, int, int, int, boolean)">draw3DRect</A></B>(int x, int y, int width, int height, boolean raised)</CODE><BR> Overrides <code>Graphics.draw3DRect</code>.</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="../../javax/swing/DebugGraphics.html#drawArc(int, int, int, int, int, int)">drawArc</A></B>(int x, int y, int width, int height, int startAngle, int arcAngle)</CODE><BR> Overrides <code>Graphics.drawArc</code>.</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="../../javax/swing/DebugGraphics.html#drawBytes(byte[], int, int, int, int)">drawBytes</A></B>(byte[] data, int offset, int length, int x, int y)</CODE><BR> Overrides <code>Graphics.drawBytes</code>.</TD></TR>⌨️ 快捷键说明
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