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<BR> Draws a message to state that there is no data to plot.</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/plot/Plot.html#drawOutline(java.awt.Graphics2D, java.awt.geom.Rectangle2D)">drawOutline</A></B>(java.awt.Graphics2D g2, java.awt.geom.Rectangle2D area)</CODE><BR> Draws the plot outline.</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/plot/Plot.html#equals(java.lang.Object)">equals</A></B>(java.lang.Object obj)</CODE><BR> Tests this plot for equality with another object.</TD></TR><TR BGCOLOR="white" CLASS="TableRowColor"><TD ALIGN="right" VALIGN="top" WIDTH="1%"><FONT SIZE="-1"><CODE>protected void</CODE></FONT></TD><TD><CODE><B><A HREF="../../../../org/jfree/chart/plot/Plot.html#fillBackground(java.awt.Graphics2D, java.awt.geom.Rectangle2D)">fillBackground</A></B>(java.awt.Graphics2D g2, java.awt.geom.Rectangle2D area)</CODE><BR> Fills the specified area with the background paint.</TD></TR><TR BGCOLOR="white" CLASS="TableRowColor"><TD ALIGN="right" VALIGN="top" WIDTH="1%"><FONT SIZE="-1"><CODE> float</CODE></FONT></TD><TD><CODE><B><A HREF="../../../../org/jfree/chart/plot/Plot.html#getBackgroundAlpha()">getBackgroundAlpha</A></B>()</CODE><BR> Returns the alpha transparency of the plot area background.</TD></TR><TR BGCOLOR="white" CLASS="TableRowColor"><TD ALIGN="right" VALIGN="top" WIDTH="1%"><FONT SIZE="-1"><CODE> java.awt.Image</CODE></FONT></TD><TD><CODE><B><A HREF="../../../../org/jfree/chart/plot/Plot.html#getBackgroundImage()">getBackgroundImage</A></B>()</CODE><BR> Returns the background image that is used to fill the plot's background area.</TD></TR><TR BGCOLOR="white" CLASS="TableRowColor"><TD ALIGN="right" VALIGN="top" WIDTH="1%"><FONT SIZE="-1"><CODE> int</CODE></FONT></TD><TD><CODE><B><A HREF="../../../../org/jfree/chart/plot/Plot.html#getBackgroundImageAlignment()">getBackgroundImageAlignment</A></B>()</CODE><BR> Returns the background image alignment.</TD></TR><TR BGCOLOR="white" CLASS="TableRowColor"><TD ALIGN="right" VALIGN="top" WIDTH="1%"><FONT SIZE="-1"><CODE> float</CODE></FONT></TD><TD><CODE><B><A HREF="../../../../org/jfree/chart/plot/Plot.html#getBackgroundImageAlpha()">getBackgroundImageAlpha</A></B>()</CODE><BR> Returns the alpha transparency used to draw the background image.</TD></TR><TR BGCOLOR="white" CLASS="TableRowColor"><TD ALIGN="right" VALIGN="top" WIDTH="1%"><FONT SIZE="-1"><CODE> java.awt.Paint</CODE></FONT></TD><TD><CODE><B><A HREF="../../../../org/jfree/chart/plot/Plot.html#getBackgroundPaint()">getBackgroundPaint</A></B>()</CODE><BR> Returns the background color of the plot area.</TD></TR><TR BGCOLOR="white" CLASS="TableRowColor"><TD ALIGN="right" VALIGN="top" WIDTH="1%"><FONT SIZE="-1"><CODE> <A HREF="../../../../org/jfree/data/general/DatasetGroup.html" title="class in org.jfree.data.general">DatasetGroup</A></CODE></FONT></TD><TD><CODE><B><A HREF="../../../../org/jfree/chart/plot/Plot.html#getDatasetGroup()">getDatasetGroup</A></B>()</CODE><BR> Returns the dataset group for the plot (not currently used).</TD></TR><TR BGCOLOR="white" CLASS="TableRowColor"><TD ALIGN="right" VALIGN="top" WIDTH="1%"><FONT SIZE="-1"><CODE> <A HREF="../../../../org/jfree/chart/plot/DrawingSupplier.html" title="interface in org.jfree.chart.plot">DrawingSupplier</A></CODE></FONT></TD><TD><CODE><B><A HREF="../../../../org/jfree/chart/plot/Plot.html#getDrawingSupplier()">getDrawingSupplier</A></B>()</CODE><BR> Returns the drawing supplier for the plot.</TD></TR><TR BGCOLOR="white" CLASS="TableRowColor"><TD ALIGN="right" VALIGN="top" WIDTH="1%"><FONT SIZE="-1"><CODE> float</CODE></FONT></TD><TD><CODE><B><A HREF="../../../../org/jfree/chart/plot/Plot.html#getForegroundAlpha()">getForegroundAlpha</A></B>()</CODE><BR> Returns the alpha-transparency for the plot foreground.</TD></TR><TR BGCOLOR="white" CLASS="TableRowColor"><TD ALIGN="right" VALIGN="top" WIDTH="1%"><FONT SIZE="-1"><CODE> org.jfree.ui.RectangleInsets</CODE></FONT></TD><TD><CODE><B><A HREF="../../../../org/jfree/chart/plot/Plot.html#getInsets()">getInsets</A></B>()</CODE><BR> Returns the insets for the plot area.</TD></TR><TR BGCOLOR="white" CLASS="TableRowColor"><TD ALIGN="right" VALIGN="top" WIDTH="1%"><FONT SIZE="-1"><CODE> <A HREF="../../../../org/jfree/chart/LegendItemCollection.html" title="class in org.jfree.chart">LegendItemCollection</A></CODE></FONT></TD><TD><CODE><B><A HREF="../../../../org/jfree/chart/plot/Plot.html#getLegendItems()">getLegendItems</A></B>()</CODE><BR> Returns the legend items for the plot.</TD></TR><TR BGCOLOR="white" CLASS="TableRowColor"><TD ALIGN="right" VALIGN="top" WIDTH="1%"><FONT SIZE="-1"><CODE> java.lang.String</CODE></FONT></TD><TD><CODE><B><A HREF="../../../../org/jfree/chart/plot/Plot.html#getNoDataMessage()">getNoDataMessage</A></B>()</CODE><BR> Returns the string that is displayed when the dataset is empty or <code>null</code>.</TD></TR><TR BGCOLOR="white" CLASS="TableRowColor"><TD ALIGN="right" VALIGN="top" WIDTH="1%"><FONT SIZE="-1"><CODE> java.awt.Font</CODE></FONT></TD><TD><CODE><B><A HREF="../../../../org/jfree/chart/plot/Plot.html#getNoDataMessageFont()">getNoDataMessageFont</A></B>()</CODE><BR> Returns the font used to display the 'no data' message.</TD></TR><TR BGCOLOR="white" CLASS="TableRowColor"><TD ALIGN="right" VALIGN="top" WIDTH="1%"><FONT SIZE="-1"><CODE> java.awt.Paint</CODE></FONT></TD><TD><CODE><B><A HREF="../../../../org/jfree/chart/plot/Plot.html#getNoDataMessagePaint()">getNoDataMessagePaint</A></B>()</CODE><BR> Returns the paint used to display the 'no data' message.</TD></TR><TR BGCOLOR="white" CLASS="TableRowColor"><TD ALIGN="right" VALIGN="top" WIDTH="1%"><FONT SIZE="-1"><CODE> java.awt.Paint</CODE></FONT></TD><TD><CODE><B><A HREF="../../../../org/jfree/chart/plot/Plot.html#getOutlinePaint()">getOutlinePaint</A></B>()</CODE><BR> Returns the color used to draw the outline of the plot area.</TD></TR><TR BGCOLOR="white" CLASS="TableRowColor"><TD ALIGN="right" VALIGN="top" WIDTH="1%"><FONT SIZE="-1"><CODE> java.awt.Stroke</CODE></FONT></TD><TD><CODE><B><A HREF="../../../../org/jfree/chart/plot/Plot.html#getOutlineStroke()">getOutlineStroke</A></B>()</CODE><BR> Returns the stroke used to outline the plot area.</TD></TR><TR BGCOLOR="white" CLASS="TableRowColor"><TD ALIGN="right" VALIGN="top" WIDTH="1%"><FONT SIZE="-1"><CODE> <A HREF="../../../../org/jfree/chart/plot/Plot.html" title="class in org.jfree.chart.plot">Plot</A></CODE></FONT></TD><TD><CODE><B><A HREF="../../../../org/jfree/chart/plot/Plot.html#getParent()">getParent</A></B>()</CODE><BR> Returns the parent plot (or <code>null</code> if this plot is not part of a combined plot).</TD></TR><TR BGCOLOR="white" CLASS="TableRowColor"><TD ALIGN="right" VALIGN="top" WIDTH="1%"><FONT SIZE="-1"><CODE>abstract java.lang.String</CODE></FONT></TD><TD><CODE><B><A HREF="../../../../org/jfree/chart/plot/Plot.html#getPlotType()">getPlotType</A></B>()</CODE><BR> Returns a short string describing the plot type.</TD></TR><TR BGCOLOR="white" CLASS="TableRowColor"><TD ALIGN="right" VALIGN="top" WIDTH="1%"><FONT SIZE="-1"><CODE>protected double</CODE></FONT></TD><TD><CODE><B><A HREF="../../../../org/jfree/chart/plot/Plot.html#getRectX(double, double, double, org.jfree.ui.RectangleEdge)">getRectX</A></B>(double x, double w1, double w2, org.jfree.ui.RectangleEdge edge)</CODE><BR> Adjusts the supplied x-value.</TD></TR><TR BGCOLOR="white" CLASS="TableRowColor"><TD ALIGN="right" VALIGN="top" WIDTH="1%"><FONT SIZE="-1"><CODE>protected double</CODE></FONT></TD><TD><CODE><B><A HREF="../../../../org/jfree/chart/plot/Plot.html#getRectY(double, double, double, org.jfree.ui.RectangleEdge)">getRectY</A></B>(double y, double h1, double h2, org.jfree.ui.RectangleEdge edge)</CODE><BR> Adjusts the supplied y-value.</TD></TR><TR BGCOLOR="white" CLASS="TableRowColor"><TD ALIGN="right" VALIGN="top" WIDTH="1%"><FONT SIZE="-1"><CODE> <A HREF="../../../../org/jfree/chart/plot/Plot.html" title="class in org.jfree.chart.plot">Plot</A></CODE></FONT></TD><TD><CODE><B><A HREF="../../../../org/jfree/chart/plot/Plot.html#getRootPlot()">getRootPlot</A></B>()</CODE><BR> Returns the root plot.</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/plot/Plot.html#handleClick(int, int, org.jfree.chart.plot.PlotRenderingInfo)">handleClick</A></B>(int x, int y, <A HREF="../../../../org/jfree/chart/plot/PlotRenderingInfo.html" title="class in org.jfree.chart.plot">PlotRenderingInfo</A> info)</CODE><BR> Handles a 'click' on the plot.</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/plot/Plot.html#isSubplot()">isSubplot</A></B>()</CODE><BR> Returns true if this plot is part of a combined plot structure.</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/plot/Plot.html#notifyListeners(org.jfree.chart.event.PlotChangeEvent)">notifyListeners</A></B>(<A HREF="../../../../org/jfree/chart/event/PlotChangeEvent.html" title="class in org.jfree.chart.event">PlotChangeEvent</A> event)</CODE><BR> Notifies all registered listeners that the plot has been modified.</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/plot/Plot.html#removeChangeListener(org.jfree.chart.event.PlotChangeListener)">removeChangeListener</A></B>(<A HREF="../../../../org/jfree/chart/event/PlotChangeListener.html" title="interface in org.jfree.chart.event">PlotChangeListener</A> listener)</CODE><BR> Unregisters an object for notification of changes to the plot.</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/plot/Plot.html#resolveDomainAxisLocation(org.jfree.chart.axis.AxisLocation, org.jfree.chart.plot.PlotOrientation)">resolveDomainAxisLocation</A></B>(<A HREF="../../../../org/jfree/chart/axis/AxisLocation.html" title="class in org.jfree.chart.axis">AxisLocation</A> location, <A HREF="../../../../org/jfree/chart/plot/PlotOrientation.html" title="class in org.jfree.chart.plot">PlotOrientation</A> orientation)</CODE><BR> Resolves a domain axis location for a given plot orientation.</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/plot/Plot.html#resolveRangeAxisLocation(org.jfree.chart.axis.AxisLocation, org.jfree.chart.plot.PlotOrientation)">resolveRangeAxisLocation</A></B>(<A HREF="../../../../org/jfree/chart/axis/AxisLocation.html" title="class in org.jfree.chart.axis">AxisLocation</A> location, <A HREF="../../../../org/jfree/chart/plot/PlotOrientation.html" title="class in org.jfree.chart.plot">PlotOrientation</A> orientation)</CODE><BR> Resolves a range axis location for a given plot orientation.</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/plot/Plot.html#setBackgroundAlpha(float)">setBackgroundAlpha</A></B>(float alpha)</CODE><BR> Sets the alpha transparency of the plot area background, and notifies registered listeners that the plot has been modified.</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/plot/Plot.html#setBackgroundImage(java.awt.Image)">setBackgroundImage</A></B>(java.awt.Image image)</CODE><BR> Sets the background image for the plot.</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/plot/Plot.html#setBackgroundImageAlignment(int)">setBackgroundImageAlignment</A></B>(int alignment)</CODE><BR> Sets the alignment for the background image and sends a <A HREF="../../../../org/jfree/chart/event/PlotChangeEvent.html" title="class in org.jfree.chart.event"><CODE>PlotChangeEvent</CODE></A> to all registered listeners.</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/plot/Plot.html#setBackgroundImageAlpha(float)">setBackgroundImageAlpha</A></B>(float alpha)</CODE><BR> Sets the alpha transparency used when drawing the background image.</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/plot/Plot.html#setBackgroundPaint(java.awt.Paint)">setBackgroundPaint</A></B>(java.awt.Paint paint)</CODE><BR> Sets the background color of the plot area and sends a <A HREF="../../../../org/jfree/chart/event/PlotChangeEvent.html" title="class in org.jfree.chart.event"><CODE>PlotChangeEvent</CODE></A> to all registered listeners.</TD></TR><TR BGCOLOR="white" CLASS="TableRowColor"><TD ALIGN="right" VALIGN="top" WIDTH="1%"><FONT SIZE="-1"><CODE>protected void</CODE></FONT></TD><TD><CODE><B><A HREF="../../../../org/jfree/chart/plot/Plot.html#setDatasetGroup(org.jfree.data.general.DatasetGroup)">setDatasetGroup</A></B>(<A HREF="../../../../org/jfree/data/general/DatasetGroup.html" title="class in org.jfree.data.general">DatasetGroup</A> group)</CODE><BR> Sets the dataset group (not currently used).</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/plot/Plot.html#setDrawingSupplier(org.jfree.chart.plot.DrawingSupplier)">setDrawingSupplier</A></B>(<A HREF="../../../../org/jfree/chart/plot/DrawingSupplier.html" title="interface in org.jfree.chart.plot">DrawingSupplier</A> supplier)</CODE><BR> Sets the drawing supplier for the plot.</TD></TR><TR BGCOLOR="white" CLASS="TableRowColor"><TD ALIGN="right" VALIGN="top" WIDTH="1%"><FONT SIZE="-1">⌨️ 快捷键说明
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