stackedxyarearenderer.html

JFreeChart 9.20的文档 需要用JAVA在网页上做统计图的东东

<P>
<DT><B>Parameters:</B><DD><CODE>type</CODE> - the type of renderer.<DD><CODE>labelGenerator</CODE> - the tool tip generator to use.  <code>null</code> is none.<DD><CODE>urlGenerator</CODE> - the URL generator (null permitted).</DL>

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<B>Method Detail</B></FONT></TD>
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<A NAME="getRangeType()"><!-- --></A><H3>
getRangeType</H3>
<PRE>
public <A HREF="../../../../org/jfree/chart/renderer/RangeType.html" title="class in org.jfree.chart.renderer">RangeType</A> <B>getRangeType</B>()</PRE>
<DL>
<DD>Returns the range type.
<P>
<DD><DL>
<DT><B>Specified by:</B><DD><CODE><A HREF="../../../../org/jfree/chart/renderer/XYItemRenderer.html#getRangeType()">getRangeType</A></CODE> in interface <CODE><A HREF="../../../../org/jfree/chart/renderer/XYItemRenderer.html" title="interface in org.jfree.chart.renderer">XYItemRenderer</A></CODE><DT><B>Overrides:</B><DD><CODE><A HREF="../../../../org/jfree/chart/renderer/AbstractXYItemRenderer.html#getRangeType()">getRangeType</A></CODE> in class <CODE><A HREF="../../../../org/jfree/chart/renderer/AbstractXYItemRenderer.html" title="class in org.jfree.chart.renderer">AbstractXYItemRenderer</A></CODE></DL>
</DD>
<DD><DL>

<DT><B>Returns:</B><DD>The range type (never <code>null</code>).</DL>
</DD>
</DL>
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<A NAME="getRangeExtent(org.jfree.data.XYDataset)"><!-- --></A><H3>
getRangeExtent</H3>
<PRE>
public <A HREF="../../../../org/jfree/data/Range.html" title="class in org.jfree.data">Range</A> <B>getRangeExtent</B>(<A HREF="../../../../org/jfree/data/XYDataset.html" title="interface in org.jfree.data">XYDataset</A>&nbsp;dataset)</PRE>
<DL>
<DD>Returns the range of values the renderer requires to display all the items from the
 specified dataset.
<P>
<DD><DL>
<DT><B>Specified by:</B><DD><CODE><A HREF="../../../../org/jfree/chart/renderer/XYItemRenderer.html#getRangeExtent(org.jfree.data.XYDataset)">getRangeExtent</A></CODE> in interface <CODE><A HREF="../../../../org/jfree/chart/renderer/XYItemRenderer.html" title="interface in org.jfree.chart.renderer">XYItemRenderer</A></CODE><DT><B>Overrides:</B><DD><CODE><A HREF="../../../../org/jfree/chart/renderer/AbstractXYItemRenderer.html#getRangeExtent(org.jfree.data.XYDataset)">getRangeExtent</A></CODE> in class <CODE><A HREF="../../../../org/jfree/chart/renderer/AbstractXYItemRenderer.html" title="class in org.jfree.chart.renderer">AbstractXYItemRenderer</A></CODE></DL>
</DD>
<DD><DL>
<DT><B>Parameters:</B><DD><CODE>dataset</CODE> - the dataset (<code>null</code> permitted).
<DT><B>Returns:</B><DD>The range (or <code>null</code> if the dataset is <code>null</code> or empty).</DL>
</DD>
</DL>
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<A NAME="initialise(java.awt.Graphics2D, java.awt.geom.Rectangle2D, org.jfree.chart.plot.XYPlot, org.jfree.data.XYDataset, org.jfree.chart.plot.PlotRenderingInfo)"><!-- --></A><H3>
initialise</H3>
<PRE>
public <A HREF="../../../../org/jfree/chart/renderer/XYItemRendererState.html" title="class in org.jfree.chart.renderer">XYItemRendererState</A> <B>initialise</B>(java.awt.Graphics2D&nbsp;g2,
                                      java.awt.geom.Rectangle2D&nbsp;dataArea,
                                      <A HREF="../../../../org/jfree/chart/plot/XYPlot.html" title="class in org.jfree.chart.plot">XYPlot</A>&nbsp;plot,
                                      <A HREF="../../../../org/jfree/data/XYDataset.html" title="interface in org.jfree.data">XYDataset</A>&nbsp;data,
                                      <A HREF="../../../../org/jfree/chart/plot/PlotRenderingInfo.html" title="class in org.jfree.chart.plot">PlotRenderingInfo</A>&nbsp;info)</PRE>
<DL>
<DD>Initialises the renderer.
 <P>
 This method will be called before the first item is rendered, giving the
 renderer an opportunity to initialise any state information it wants to maintain.
 The renderer can do nothing if it chooses.
<P>
<DD><DL>
<DT><B>Specified by:</B><DD><CODE><A HREF="../../../../org/jfree/chart/renderer/XYItemRenderer.html#initialise(java.awt.Graphics2D, java.awt.geom.Rectangle2D, org.jfree.chart.plot.XYPlot, org.jfree.data.XYDataset, org.jfree.chart.plot.PlotRenderingInfo)">initialise</A></CODE> in interface <CODE><A HREF="../../../../org/jfree/chart/renderer/XYItemRenderer.html" title="interface in org.jfree.chart.renderer">XYItemRenderer</A></CODE><DT><B>Overrides:</B><DD><CODE><A HREF="../../../../org/jfree/chart/renderer/XYAreaRenderer.html#initialise(java.awt.Graphics2D, java.awt.geom.Rectangle2D, org.jfree.chart.plot.XYPlot, org.jfree.data.XYDataset, org.jfree.chart.plot.PlotRenderingInfo)">initialise</A></CODE> in class <CODE><A HREF="../../../../org/jfree/chart/renderer/XYAreaRenderer.html" title="class in org.jfree.chart.renderer">XYAreaRenderer</A></CODE></DL>
</DD>
<DD><DL>
<DT><B>Parameters:</B><DD><CODE>g2</CODE> - the graphics device.<DD><CODE>dataArea</CODE> - the area inside the axes.<DD><CODE>plot</CODE> - the plot.<DD><CODE>data</CODE> - the data.<DD><CODE>info</CODE> - an optional info collection object to return data back to the caller.
<DT><B>Returns:</B><DD>A state object that should be passed to subsequent calls to the drawItem() method.</DL>
</DD>
</DL>
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<A NAME="getPassCount()"><!-- --></A><H3>
getPassCount</H3>
<PRE>
public int <B>getPassCount</B>()</PRE>
<DL>
<DD>Returns the number of passes required by the renderer.
<P>
<DD><DL>
<DT><B>Specified by:</B><DD><CODE><A HREF="../../../../org/jfree/chart/renderer/XYItemRenderer.html#getPassCount()">getPassCount</A></CODE> in interface <CODE><A HREF="../../../../org/jfree/chart/renderer/XYItemRenderer.html" title="interface in org.jfree.chart.renderer">XYItemRenderer</A></CODE><DT><B>Overrides:</B><DD><CODE><A HREF="../../../../org/jfree/chart/renderer/AbstractXYItemRenderer.html#getPassCount()">getPassCount</A></CODE> in class <CODE><A HREF="../../../../org/jfree/chart/renderer/AbstractXYItemRenderer.html" title="class in org.jfree.chart.renderer">AbstractXYItemRenderer</A></CODE></DL>
</DD>
<DD><DL>

<DT><B>Returns:</B><DD>2.</DL>
</DD>
</DL>
<HR>

<A NAME="drawItem(java.awt.Graphics2D, org.jfree.chart.renderer.XYItemRendererState, java.awt.geom.Rectangle2D, org.jfree.chart.plot.PlotRenderingInfo, org.jfree.chart.plot.XYPlot, org.jfree.chart.axis.ValueAxis, org.jfree.chart.axis.ValueAxis, org.jfree.data.XYDataset, int, int, org.jfree.chart.plot.CrosshairState, int)"><!-- --></A><H3>
drawItem</H3>
<PRE>
public void <B>drawItem</B>(java.awt.Graphics2D&nbsp;g2,
                     <A HREF="../../../../org/jfree/chart/renderer/XYItemRendererState.html" title="class in org.jfree.chart.renderer">XYItemRendererState</A>&nbsp;sta