waterfallbarrenderer.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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<B>Constructor Detail</B></FONT></TD>
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<A NAME="WaterfallBarRenderer()"><!-- --></A><H3>
WaterfallBarRenderer</H3>
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public <B>WaterfallBarRenderer</B>()</PRE>
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<DD>Constructs a new renderer with default values for the bar colors.
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<A NAME="WaterfallBarRenderer(java.awt.Paint, java.awt.Paint, java.awt.Paint, java.awt.Paint)"><!-- --></A><H3>
WaterfallBarRenderer</H3>
<PRE>
public <B>WaterfallBarRenderer</B>(java.awt.Paint&nbsp;firstBarPaint,
                            java.awt.Paint&nbsp;positiveBarPaint,
                            java.awt.Paint&nbsp;negativeBarPaint,
                            java.awt.Paint&nbsp;lastBarPaint)</PRE>
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<DD>Constructs a new waterfall renderer.
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<DT><B>Parameters:</B><DD><CODE>firstBarPaint</CODE> - the color of the first bar.<DD><CODE>positiveBarPaint</CODE> - the color for bars with positive values.<DD><CODE>negativeBarPaint</CODE> - the color for bars with negative values.<DD><CODE>lastBarPaint</CODE> - the color of the last bar.</DL>

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<B>Method Detail</B></FONT></TD>
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<A NAME="getRangeExtent(org.jfree.data.CategoryDataset)"><!-- --></A><H3>
getRangeExtent</H3>
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public <A HREF="../../../../org/jfree/data/Range.html" title="class in org.jfree.data">Range</A> <B>getRangeExtent</B>(<A HREF="../../../../org/jfree/data/CategoryDataset.html" title="interface in org.jfree.data">CategoryDataset</A>&nbsp;dataset)</PRE>
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<DD>Returns the range of values the renderer requires to display all the items from the
 specified dataset.
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<DT><B>Specified by:</B><DD><CODE><A HREF="../../../../org/jfree/chart/renderer/CategoryItemRenderer.html#getRangeExtent(org.jfree.data.CategoryDataset)">getRangeExtent</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#getRangeExtent(org.jfree.data.CategoryDataset)">getRangeExtent</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>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>
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<A NAME="getFirstBarPaint()"><!-- --></A><H3>
getFirstBarPaint</H3>
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public java.awt.Paint <B>getFirstBarPaint</B>()</PRE>
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<DD>Returns the paint used to draw the first bar.
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<DT><B>Returns:</B><DD>The paint.</DL>
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<A NAME="setFirstBarPaint(java.awt.Paint)"><!-- --></A><H3>
setFirstBarPaint</H3>
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public void <B>setFirstBarPaint</B>(java.awt.Paint&nbsp;paint)</PRE>
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<DD>Sets the paint that will be used to draw the first bar.
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<DT><B>Parameters:</B><DD><CODE>paint</CODE> - the paint.</DL>
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<A NAME="getLastBarPaint()"><!-- --></A><H3>
getLastBarPaint</H3>
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public java.awt.Paint <B>getLastBarPaint</B>()</PRE>
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<DD>Returns the paint used to draw the last bar.
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