groupedstackedbarrenderer.html

JFreeChart 9.20的文档 需要用JAVA在网页上做统计图的东东

<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>
<HR>

<A NAME="calculateBarWidth(org.jfree.chart.plot.CategoryPlot, java.awt.geom.Rectangle2D, int, org.jfree.chart.renderer.CategoryItemRendererState)"><!-- --></A><H3>
calculateBarWidth</H3>
<PRE>
protected void <B>calculateBarWidth</B>(<A HREF="../../../../org/jfree/chart/plot/CategoryPlot.html" title="class in org.jfree.chart.plot">CategoryPlot</A>&nbsp;plot,
                                 java.awt.geom.Rectangle2D&nbsp;dataArea,
                                 int&nbsp;rendererIndex,
                                 <A HREF="../../../../org/jfree/chart/renderer/CategoryItemRendererState.html" title="class in org.jfree.chart.renderer">CategoryItemRendererState</A>&nbsp;state)</PRE>
<DL>
<DD>Calculates the bar width and stores it in the renderer state.
<P>
<DD><DL>
<DT><B>Overrides:</B><DD><CODE><A HREF="../../../../org/jfree/chart/renderer/StackedBarRenderer.html#calculateBarWidth(org.jfree.chart.plot.CategoryPlot, java.awt.geom.Rectangle2D, int, org.jfree.chart.renderer.CategoryItemRendererState)">calculateBarWidth</A></CODE> in class <CODE><A HREF="../../../../org/jfree/chart/renderer/StackedBarRenderer.html" title="class in org.jfree.chart.renderer">StackedBarRenderer</A></CODE></DL>
</DD>
<DD><DL>
<DT><B>Parameters:</B><DD><CODE>plot</CODE> - the plot.<DD><CODE>dataArea</CODE> - the data area.<DD><CODE>rendererIndex</CODE> - the renderer index.<DD><CODE>state</CODE> - the renderer state.</DL>
</DD>
</DL>
<HR>

<A NAME="calculateBarW0(org.jfree.chart.plot.CategoryPlot, org.jfree.chart.plot.PlotOrientation, java.awt.geom.Rectangle2D, org.jfree.chart.axis.CategoryAxis, org.jfree.chart.renderer.CategoryItemRendererState, int, int)"><!-- --></A><H3>
calculateBarW0</H3>
<PRE>
protected double <B>calculateBarW0</B>(<A HREF="../../../../org/jfree/chart/plot/CategoryPlot.html" title="class in org.jfree.chart.plot">CategoryPlot</A>&nbsp;plot,
                                <A HREF="../../../../org/jfree/chart/plot/PlotOrientation.html" title="class in org.jfree.chart.plot">PlotOrientation</A>&nbsp;orientation,
                                java.awt.geom.Rectangle2D&nbsp;dataArea,
                                <A HREF="../../../../org/jfree/chart/axis/CategoryAxis.html" title="class in org.jfree.chart.axis">CategoryAxis</A>&nbsp;domainAxis,
                                <A HREF="../../../../org/jfree/chart/renderer/CategoryItemRendererState.html" title="class in org.jfree.chart.renderer">CategoryItemRendererState</A>&nbsp;state,
                                int&nbsp;row,
                                int&nbsp;column)</PRE>
<DL>
<DD>Calculates the coordinate of the first "side" of a bar.  This will be the minimum 
 x-coordinate for a vertical bar, and the minimum y-coordinate for a horizontal bar.
<P>
<DD><DL>
<DT><B>Overrides:</B><DD><CODE><A HREF="../../../../org/jfree/chart/renderer/BarRenderer.html#calculateBarW0(org.jfree.chart.plot.CategoryPlot, org.jfree.chart.plot.PlotOrientation, java.awt.geom.Rectangle2D, org.jfree.chart.axis.CategoryAxis, org.jfree.chart.renderer.CategoryItemRendererState, int, int)">calculateBarW0</A></CODE> in class <CODE><A HREF="../../../../org/jfree/chart/renderer/BarRenderer.html" title="class in org.jfree.chart.renderer">BarRenderer</A></CODE></DL>
</DD>
<DD><DL>
<DT><B>Parameters:</B><DD><CODE>plot</CODE> - the plot.<DD><CODE>orientation</CODE> - the plot orientation.<DD><CODE>dataArea</CODE> - the data area.<DD><CODE>domainAxis</CODE> - the domain axis.<DD><CODE>state</CODE> - the renderer state (has the bar width precalculated).<DD><CODE>row</CODE> - the row index.<DD><CODE>column</CODE> - the column index.
<DT><B>Returns:</B><DD>the coordinate.</DL>
</DD>
</DL>
<HR>

<A NAME="drawItem(java.awt.Graphics2D, org.jfree.chart.renderer.CategoryItemRendererState, java.awt.geom.Rectangle2D, org.jfree.chart.plot.CategoryPlot, org.jfree.chart.axis.CategoryAxis, org.jfree.chart.axis.ValueAxis, org.jfree.data.CategoryDataset, int, int)"><!-- --></A><H3>
drawItem</H3>
<PRE>
public void <B>drawItem</B>(java.awt.Graphics2D&nbsp;g2,
                     <A HREF="../../../../org/jfree/chart/renderer/CategoryItemRendererState.html" title="class in org.jfree.chart.renderer">CategoryItemRendererState</A>&nbsp;state,
                     java.awt.geom.Rectangle2D&nbsp;dataArea,
                     <A HREF="../../../../org/jfree/chart/plot/CategoryPlot.html" title="class in org.jfree.chart.plot">CategoryPlot</A>&nbsp;plot,
                     <A HREF="../../../../org/jfree/chart/axis/CategoryAxis.html" title="class in org.jfree.chart.axis">CategoryAxis</A>&nbsp;domainAxis,
                     <A HREF="../../../../org/jfree/chart/axis/ValueAxis.html" title="class in org.jfree.chart.axis">ValueAxis</A>&nbsp;rangeAxis,
                     <A HREF="../../../../org/jfree/data/CategoryDataset.html" title="interface in org.jfree.data">CategoryDataset</A>&nbsp;dataset,
                     int&nbsp;row,
                     int&nbsp;column)</PRE>
<DL>
<DD>Draws a stacked bar for a specific item.
<P>
<DD><DL>
<DT><B>Specified by:</B><DD><CODE><A HREF="../../../../org/jfree/chart/renderer/CategoryItemRenderer.html#drawItem(java.awt.Graphics2D, org.jfree.chart.renderer.CategoryItemRendererState, java.awt.geom.Rectangle2D, org.jfree.chart.plot.CategoryPlot, org.jfree.chart.axis.CategoryAxis, org.jfree.chart.axis.ValueAxis, org.jfree.data.CategoryDataset, int, int)">drawItem</A></CODE> in interface <CODE><A HREF="../../../../org/jfree/chart/renderer/CategoryItemRenderer.html" title="interface in org.jfree.chart.renderer">CategoryItemRenderer</A></CODE><DT><B>Overrides:</B><DD><CODE><A HREF="../../../../org/jfree/chart/renderer/StackedBarRenderer.html#drawItem(java.awt.Graphics2D, org.jfree.chart.renderer.CategoryItemRendererState, java.awt.geom.Rectangle2D, org.jfree.chart.plot.CategoryPlot, org.jfree.chart.axis.CategoryAxis, org.jfree.chart.axis.ValueAxis, org.jfree.data.CategoryDataset, int, int)">drawItem</A></CODE> in class <CODE><A HREF="../../../../org/jfree/chart/renderer/StackedBarRenderer.html" title="class in org.jfree.chart.renderer">StackedBarRenderer</A></CODE></DL>
</DD>
<DD><DL>
<DT><B>Parameters:</B><DD><CODE>g2</CODE> - the graphics device.<DD><CODE>state</CODE> - the renderer state.<DD><CODE>dataArea</CODE> - the plot area.<DD><CODE>plot</CODE> - the plot.<DD><CODE>domainAxis</CODE> - the domain (category) axis.<DD><CODE>rangeAxis</CODE> - the range (value) axis.<DD><CODE>dataset</CODE> - the data.<DD><CODE>row</CODE> - the row index (zero-based).<DD><CODE>column</CODE> - the column index (zero-based).</DL>
</DD>
</DL>
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