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java.lang.Objectorg.jfree.chart.renderer.AbstractRenderer
org.jfree.chart.renderer.xy.AbstractXYItemRenderer
org.jfree.chart.renderer.xy.YIntervalRenderer
public class YIntervalRenderer
A renderer that draws a line connecting the start and end Y values for an
XYPlot. The example shown here is generated by the
YIntervalRendererDemo1.java program included in the JFreeChart
demo collection:
| Field Summary |
|---|
| Fields inherited from class org.jfree.chart.renderer.AbstractRenderer |
|---|
DEFAULT_OUTLINE_PAINT, DEFAULT_OUTLINE_STROKE, DEFAULT_PAINT, DEFAULT_SHAPE, DEFAULT_STROKE, DEFAULT_VALUE_LABEL_FONT, DEFAULT_VALUE_LABEL_PAINT, ZERO |
| Constructor Summary | |
|---|---|
YIntervalRenderer()
The default constructor. |
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| Method Summary | |
|---|---|
java.lang.Object |
clone()
Returns a clone of the renderer. |
void |
drawItem(java.awt.Graphics2D g2,
XYItemRendererState state,
java.awt.geom.Rectangle2D dataArea,
PlotRenderingInfo info,
XYPlot plot,
ValueAxis domainAxis,
ValueAxis rangeAxis,
XYDataset dataset,
int series,
int item,
CrosshairState crosshairState,
int pass)
Draws the visual representation of a single data item. |
boolean |
equals(java.lang.Object obj)
Tests this renderer for equality with an arbitrary object. |
Range |
findRangeBounds(XYDataset dataset)
Returns the range of values the renderer requires to display all the items from the specified dataset. |
XYItemLabelGenerator |
getAdditionalItemLabelGenerator()
Returns the generator for the item labels that appear near the lower y-value. |
void |
setAdditionalItemLabelGenerator(XYItemLabelGenerator generator)
Sets the generator for the item labels that appear near the lower y-value and sends a RendererChangeEvent to all registered
listeners. |
| Methods inherited from class java.lang.Object |
|---|
finalize, getClass, notify, notifyAll, toString, wait, wait, wait |
| Methods inherited from interface org.jfree.chart.LegendItemSource |
|---|
getLegendItems |
| Constructor Detail |
|---|
public YIntervalRenderer()
| Method Detail |
|---|
public XYItemLabelGenerator getAdditionalItemLabelGenerator()
null).setAdditionalItemLabelGenerator(XYItemLabelGenerator)public void setAdditionalItemLabelGenerator(XYItemLabelGenerator generator)
RendererChangeEvent to all registered
listeners. If this is set to null, no item labels will be
drawn.
generator - the generator (null permitted).getAdditionalItemLabelGenerator()public Range findRangeBounds(XYDataset dataset)
findRangeBounds in interface XYItemRendererfindRangeBounds in class AbstractXYItemRendererdataset - the dataset (null permitted).
null if the dataset is null
or empty).AbstractXYItemRenderer.findDomainBounds(XYDataset)
public void drawItem(java.awt.Graphics2D g2,
XYItemRendererState state,
java.awt.geom.Rectangle2D dataArea,
PlotRenderingInfo info,
XYPlot plot,
ValueAxis domainAxis,
ValueAxis rangeAxis,
XYDataset dataset,
int series,
int item,
CrosshairState crosshairState,
int pass)
drawItem in interface XYItemRendererg2 - the graphics device.state - the renderer state.dataArea - the area within which the plot is being drawn.info - collects information about the drawing.plot - the plot (can be used to obtain standard color
information etc).domainAxis - the domain axis.rangeAxis - the range axis.dataset - the dataset.series - the series index (zero-based).item - the item index (zero-based).crosshairState - crosshair information for the plot
(null permitted).pass - the pass index (ignored here).public boolean equals(java.lang.Object obj)
equals in class AbstractXYItemRendererobj - the object (null permitted).
public java.lang.Object clone()
throws java.lang.CloneNotSupportedException
clone in interface org.jfree.util.PublicCloneableclone in class AbstractXYItemRendererjava.lang.CloneNotSupportedException - if the renderer cannot be cloned.
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