barchart.html

java图形报表制作

render</H3>
<PRE>
public void <B>render</B>(java.awt.Graphics&nbsp;g)</PRE>
<DL>
<DD>Renders the bar chart according to the current chart attributes
 and which charts features are turned on or off.<DD><DL>
<DT><B>Overrides:</B><DD><CODE><A HREF="../../../com/objectplanet/chart/Chart.html#render(java.awt.Graphics)">render</A></CODE> in class <CODE><A HREF="../../../com/objectplanet/chart/Chart.html">Chart</A></CODE></DL>
</DD>
<DD>Following copied from class: <CODE>com.objectplanet.chart.Chart</CODE></DD>
<DD><DL>
<DT><B>Parameters:</B><DD><CODE>g</CODE> - The graphics context used to paint with.<DT><B>See Also: </B><DD><A HREF="../../../com/objectplanet/chart/Chart.html#paint(java.awt.Graphics)"><CODE>Chart.paint(java.awt.Graphics)</CODE></A></DL>
</DD>
</DL>
<HR>

<A NAME="renderData(java.awt.Graphics, java.awt.Rectangle, java.awt.Rectangle)"><!-- --></A><H3>
renderData</H3>
<PRE>
protected void <B>renderData</B>(java.awt.Graphics&nbsp;g,
                          java.awt.Rectangle&nbsp;grid,
                          java.awt.Rectangle&nbsp;dataBounds)</PRE>
<DL>
<DD>Renders the bars and the value labels.<DD><DL>
<DT><B>Overrides:</B><DD><CODE><A HREF="../../../com/objectplanet/chart/Chart.html#renderData(java.awt.Graphics, java.awt.Rectangle, java.awt.Rectangle)">renderData</A></CODE> in class <CODE><A HREF="../../../com/objectplanet/chart/Chart.html">Chart</A></CODE></DL>
</DD>
<DD><DL>
<DT><B>Parameters:</B><DD><CODE>g</CODE> - The graphics context used to paint with.<DD><CODE>grid</CODE> - The grid bounds to paint within.<DD><CODE>dataBounds</CODE> - The scrolled data bounds to calculate the bars from.</DL>
</DD>
</DL>
<HR>

<A NAME="reset()"><!-- --></A><H3>
reset</H3>
<PRE>
public void <B>reset</B>()</PRE>
<DL>
<DD>Resets the chart data and features.<DD><DL>
<DT><B>Overrides:</B><DD><CODE><A HREF="../../../com/objectplanet/chart/Chart.html#reset()">reset</A></CODE> in class <CODE><A HREF="../../../com/objectplanet/chart/Chart.html">Chart</A></CODE></DL>
</DD>
</DL>
<HR>

<A NAME="setAutoLabelSpacingOn(boolean)"><!-- --></A><H3>
setAutoLabelSpacingOn</H3>
<PRE>
public void <B>setAutoLabelSpacingOn</B>(boolean&nbsp;on)</PRE>
<DL>
<DD>Turns on or off automatic bar label spacing. If this is on, only bar
 labels there is space for will be painted. If turned off, all labels
 will be painted, even if they overlap. It is turned off by default.<DD><DL>
<DT><B>Parameters:</B><DD><CODE>on</CODE> - True for on, false for off.</DL>
</DD>
</DL>
<HR>

<A NAME="setBarAlignment(int)"><!-- --></A><H3>
setBarAlignment</H3>
<PRE>
public void <B>setBarAlignment</B>(int&nbsp;alignment)</PRE>
<DL>
<DD>Sets the bar alignment. The default alignment is vertical.<DD><DL>
<DT><B>Parameters:</B><DD><CODE>alignment</CODE> - HORIZONTAL or VERTICAL.<DT><B>Throws:</B><DD><CODE>java.lang.IllegalArgumentException</CODE> - If the alignment is not valid.</DL>
</DD>
</DL>
<HR>

<A NAME="setBarLabels(java.lang.String[])"><!-- --></A><H3>
setBarLabels</H3>
<PRE>
public void <B>setBarLabels</B>(java.lang.String[]&nbsp;labels)</PRE>
<DL>
<DD>Sets the bar labels. By default, the bar labels are read from the
 sampleLabels. Setting this, overrides the sampleLabels.<DD><DL>
<DT><B>Parameters:</B><DD><CODE>labels</CODE> - The labels, or null for default behavior.<DT><B>See Also: </B><DD><A HREF="../../../com/objectplanet/chart/BarChart.html#setBarLabelsOn(boolean)"><CODE>setBarLabelsOn(boolean)</CODE></A>, 
<A HREF="../../../com/objectplanet/chart/Chart.html#setSampleLabels(java.lang.String[])"><CODE>Chart.setSampleLabels(java.lang.String[])</CODE></A></DL>
</DD>
</DL>
<HR>

<A NAME="setBarLabelsOn(boolean)"><!-- --></A><H3>
setBarLabelsOn</H3>
<PRE>
public void <B>setBarLabelsOn</B>(boolean&nbsp;on)</PRE>
<DL>
<DD>Turns on or off the bar labels. The bar labels are the same as the
 labels in the legend, but are displayed at the base of the bar itself.<DD><DL>
<DT><B>Parameters:</B><DD><CODE>on</CODE> - True if the bar labels should be displayed.<DT><B>See Also: </B><DD><A HREF="../../../com/objectplanet/chart/Chart.html#setSampleLabel(int, java.lang.String)"><CODE>Chart.setSampleLabel(int, java.lang.String)</CODE></A></DL>
</DD>
</DL>
<HR>

<A NAME="setBarLabelStyle(int)"><!-- --></A><H3>
setBarLabelStyle</H3>
<PRE>
public void <B>setBarLabelStyle</B>(int&nbsp;style)</PRE>
<DL>
<DD>Sets the bar label style. The bar labels can either be painted
 below the bar itself, or as a floating label over the bar when
 the mouse pointer moves over it.<DD><DL>
<DT><B>Parameters:</B><DD><CODE>style</CODE> - BELOW, FLOATING, BELOW_AND_FLOATING.</DL>
</DD>
</DL>
<HR>

<A NAME="setBarOutlineColor(java.awt.Color)"><!-- --></A><H3>
setBarOutlineColor</H3>
<PRE>
public void <B>setBarOutlineColor</B>(java.awt.Color&nbsp;color)</PRE>
<DL>
<DD>Sets the color used for the bar outline.
 If color is null, chart foreground is used<DD><DL>
<DT><B>Parameters:</B><DD><CODE>color</CODE> - The color to set.</DL>
</DD>
</DL>
<HR>

<A NAME="setBarOutlineOn(boolean)"><!-- --></A><H3>
setBarOutlineOn</H3>
<PRE>
public void <B>setBarOutlineOn</B>(boolean&nbsp;on)</PRE>
<DL>
<DD>Turns on or off the bar outline. The bar outline is the frame
 drawn around each bar. The bar outline is turned on by default.<DD><DL>
<DT><B>Parameters:</B><DD><CODE>on</CODE> - True if on, false for off.</DL>
</DD>
</DL>
<HR>

<A NAME="setBarType(int)"><!-- --></A><H3>
setBarType</H3>
<PRE>
public void <B>setBarType</B>(int&nbsp;type)</PRE>
<DL>
<DD>Sets the bar type in multiple series charts.<DD><DL>
<DT><B>Parameters:</B><DD><CODE>type</CODE> - STACKED_BARS or SIDE_BY_SIDE_BARS.<DT><B>Throws:</B><DD><CODE>java.lang.IllegalArgumentException</CODE> - If the type is not valid.</DL>
</DD>
</DL>
<HR>

<A NAME="setBarWidth(double)"><!-- --></A><H3>
setBarWidth</H3>
<PRE>
public void <B>setBarWidth</B>(double&nbsp;width)</PRE>
<DL>
<DD>Sets the relative width of each bar. If the width is set to 1.0, there
 will be no space between the bars. If the width is set to 0.5, the space
 between each bar will be the same as the width of the bar. If you have
 side-by-side bars in the chart, it is the combined width of a sample
 that is set.<DD><DL>
<DT><B>Parameters:</B><DD><CODE>width</CODE> - The width fraction to use (0.0 to 1.0).</DL>
</DD>
</DL>
<HR>

<A NAME="setMultiColorOn(boolean)"><!-- --></A><H3>
setMultiColorOn</H3>
<PRE>
public void <B>setMultiColorOn</B>(boolean&nbsp;on)</PRE>
<DL>
<DD>Turns on or off multi-color bar display.<DD><DL>
<DT><B>Parameters:</B><DD><CODE>on</CODE> - True for multi-color, false for single-color.</DL>
</DD>
</DL>
<HR>

<A NAME="setMultiSeriesOn(boolean)"><!-- --></A><H3>
setMultiSeriesOn</H3>
<PRE>
public void <B>setMultiSeriesOn</B>(boolean&nbsp;state)</PRE>
<DL>
<DD>Makes the chart behave like it does when it has multiple data
 series, even if it has only one. The labels in the chart will
 then always be the series labels, and not change to the sample
 labels when the number of data series changes to one.<DD><DL>
<DT><B>Parameters:</B><DD><CODE>state</CODE> - True for on, false for off.</DL>
</DD>
</DL>
<HR>

<A NAME="setValueLabelStyle(int)"><!-- --></A><H3>
setValueLabelStyle</H3>
<PRE>
public void <B>setValueLabelStyle</B>(int&nbsp;style)</PRE>
<DL>
<DD>Sets the value label style.<DD><DL>
<DT><B>Parameters:</B><DD><CODE>style</CODE> - INSIDE, OUTSIDE, FLOATING.<DT><B>Throws:</B><DD><CODE>java.lang.IllegalArgumentException</CODE> - If the style is invalid.</DL>
</DD>
</DL>
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