levelrenderer.html

JFreeChart 9.20的文档 需要用JAVA在网页上做统计图的东东

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<DT><B>Parameters:</B><DD><CODE>percent</CODE> - the percent.</DL>
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<A NAME="initialise(java.awt.Graphics2D, java.awt.geom.Rectangle2D, org.jfree.chart.plot.CategoryPlot, int, org.jfree.chart.plot.PlotRenderingInfo)"><!-- --></A><H3>
initialise</H3>
<PRE>
public <A HREF="../../../../org/jfree/chart/renderer/CategoryItemRendererState.html" title="class in org.jfree.chart.renderer">CategoryItemRendererState</A> <B>initialise</B>(java.awt.Graphics2D&nbsp;g2,
                                            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,
                                            int&nbsp;rendererIndex,
                                            <A HREF="../../../../org/jfree/chart/plot/PlotRenderingInfo.html" title="class in org.jfree.chart.plot">PlotRenderingInfo</A>&nbsp;info)</PRE>
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<DD>Initialises the renderer and returns a state object that will be passed to subsequent calls 
 to the drawItem method.
 <p>
 This method gets called once at the start of the process of drawing a chart.
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<DT><B>Specified by:</B><DD><CODE><A HREF="../../../../org/jfree/chart/renderer/CategoryItemRenderer.html#initialise(java.awt.Graphics2D, java.awt.geom.Rectangle2D, org.jfree.chart.plot.CategoryPlot, int, org.jfree.chart.plot.PlotRenderingInfo)">initialise</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/AbstractCategoryItemRenderer.html#initialise(java.awt.Graphics2D, java.awt.geom.Rectangle2D, org.jfree.chart.plot.CategoryPlot, int, org.jfree.chart.plot.PlotRenderingInfo)">initialise</A></CODE> in class <CODE><A HREF="../../../../org/jfree/chart/renderer/AbstractCategoryItemRenderer.html" title="class in org.jfree.chart.renderer">AbstractCategoryItemRenderer</A></CODE></DL>
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<DT><B>Parameters:</B><DD><CODE>g2</CODE> - the graphics device.<DD><CODE>dataArea</CODE> - the area in which the data is to be plotted.<DD><CODE>plot</CODE> - the plot.<DD><CODE>rendererIndex</CODE> - the renderer index.<DD><CODE>info</CODE> - collects chart rendering information for return to caller.
<DT><B>Returns:</B><DD>The renderer state.</DL>
</DD>
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<A NAME="calculateItemWidth(org.jfree.chart.plot.CategoryPlot, java.awt.geom.Rectangle2D, int, org.jfree.chart.renderer.CategoryItemRendererState)"><!-- --></A><H3>
calculateItemWidth</H3>
<PRE>
protected void <B>calculateItemWidth</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>
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<DD>Calculates the bar width and stores it in the renderer state.
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<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>
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<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>
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<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.
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<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>
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<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>
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<DD>Draws the bar for a single (series, category) data item.
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<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></DL>
</DD>
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<DT><B>Parameters:</B><DD><CODE>g2</CODE> - the graphics device.<DD><CODE>state</CODE> - the renderer state.<DD><CODE>dataArea</CODE> - the data area.<DD><CODE>plot</CODE> - the plot.<DD><CODE>domainAxis</CODE> - the domain axis.<DD><CODE>rangeAxis</CODE> - the range axis.<DD><CODE>dataset</CODE> - the dataset.<DD><CODE>row</CODE> - the row index (zero-based).<DD><CODE>column</CODE> - the column index (zero-based).</DL>
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<A NAME="calculateSeriesWidth(double, org.jfree.chart.axis.CategoryAxis, int, int)"><!-- --></A><H3>
calculateSeriesWidth</H3>
<PRE>
protected double <B>calculateSeriesWidth</B>(double&nbsp;space,
                                      <A HREF="../../../../org/jfree/chart/axis/CategoryAxis.html" title="class in org.jfree.chart.axis