barrenderer.html

JFreeChart 9.20的文档 需要用JAVA在网页上做统计图的东东

&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;Calculates the coordinate of the first "side" of a bar.</TD>
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<CODE>protected &nbsp;void</CODE></FONT></TD>
<TD><CODE><B><A HREF="../../../../org/jfree/chart/renderer/BarRenderer.html#calculateBarWidth(org.jfree.chart.plot.CategoryPlot, java.awt.geom.Rectangle2D, int, org.jfree.chart.renderer.CategoryItemRendererState)">calculateBarWidth</A></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)</CODE>

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&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;Calculates the bar width and stores it in the renderer state.</TD>
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<TD ALIGN="right" VALIGN="top" WIDTH="1%"><FONT SIZE="-1">
<CODE>protected &nbsp;double</CODE></FONT></TD>
<TD><CODE><B><A HREF="../../../../org/jfree/chart/renderer/BarRenderer.html#calculateSeriesWidth(double, org.jfree.chart.axis.CategoryAxis, int, int)">calculateSeriesWidth</A></B>(double&nbsp;space,
                     <A HREF="../../../../org/jfree/chart/axis/CategoryAxis.html" title="class in org.jfree.chart.axis">CategoryAxis</A>&nbsp;axis,
                     int&nbsp;categories,
                     int&nbsp;series)</CODE>

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&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;Calculates the available space for each series.</TD>
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<TD ALIGN="right" VALIGN="top" WIDTH="1%"><FONT SIZE="-1">
<CODE>&nbsp;void</CODE></FONT></TD>
<TD><CODE><B><A HREF="../../../../org/jfree/chart/renderer/BarRenderer.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></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)</CODE>

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&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;Draws the bar for a single (series, category) data item.</TD>
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<TD ALIGN="right" VALIGN="top" WIDTH="1%"><FONT SIZE="-1">
<CODE>protected &nbsp;void</CODE></FONT></TD>
<TD><CODE><B><A HREF="../../../../org/jfree/chart/renderer/BarRenderer.html#drawItemLabel(java.awt.Graphics2D, org.jfree.data.CategoryDataset, int, int, org.jfree.chart.plot.CategoryPlot, org.jfree.chart.labels.CategoryLabelGenerator, java.awt.geom.Rectangle2D, boolean)">drawItemLabel</A></B>(java.awt.Graphics2D&nbsp;g2,
              <A HREF="../../../../org/jfree/data/CategoryDataset.html" title="interface in org.jfree.data">CategoryDataset</A>&nbsp;data,
              int&nbsp;row,
              int&nbsp;column,
              <A HREF="../../../../org/jfree/chart/plot/CategoryPlot.html" title="class in org.jfree.chart.plot">CategoryPlot</A>&nbsp;plot,
              <A HREF="../../../../org/jfree/chart/labels/CategoryLabelGenerator.html" title="interface in org.jfree.chart.labels">CategoryLabelGenerator</A>&nbsp;generator,
              java.awt.geom.Rectangle2D&nbsp;bar,
              boolean&nbsp;negative)</CODE>

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&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;Draws an item label.</TD>
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<TD ALIGN="right" VALIGN="top" WIDTH="1%"><FONT SIZE="-1">
<CODE>&nbsp;boolean</CODE></FONT></TD>
<TD><CODE><B><A HREF="../../../../org/jfree/chart/renderer/BarRenderer.html#equals(java.lang.Object)">equals</A></B>(java.lang.Object&nbsp;object)</CODE>

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&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;Tests this instance for equality with an arbitrary object.</TD>
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<CODE>&nbsp;org.jfree.ui.GradientPaintTransformer</CODE></FONT></TD>
<TD><CODE><B><A HREF="../../../../org/jfree/chart/renderer/BarRenderer.html#getGradientPaintTransformer()">getGradientPaintTransformer</A></B>()</CODE>

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&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;Returns the gradient paint transformer (an object used to transform gradient paint objects
 to fit each bar.</TD>
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<TD ALIGN="right" VALIGN="top" WIDTH="1%"><FONT SIZE="-1">
<CODE>&nbsp;double</CODE></FONT></TD>
<TD><CODE><B><A HREF="../../../../org/jfree/chart/renderer/BarRenderer.html#getItemMargin()">getItemMargin</A></B>()</CODE>

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&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;Returns the item margin as a percentage of the available space for all bars.</TD>
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<TD ALIGN="right" VALIGN="top" WIDTH="1%"><FONT SIZE="-1">
<CODE>&nbsp;double</CODE></FONT></TD>
<TD><CODE><B><A HREF="../../../../org/jfree/chart/renderer/BarRenderer.html#getLowerClip()">getLowerClip</A></B>()</CODE>

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&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;Returns the lower clip value.</TD>
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<TD ALIGN="right" VALIGN="top" WIDTH="1%"><FONT SIZE="-1">
<CODE>&nbsp;double</CODE></FONT></TD>
<TD><CODE><B><A HREF="../../../../org/jfree/chart/renderer/BarRenderer.html#getMaxBarWidth()">getMaxBarWidth</A></B>()</CODE>

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&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;Returns the maximum bar width, as a percentage of the available drawing space.</TD>
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