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org.jfree.chart.renderer

Interface PolarItemRenderer

Known Implementing Classes:
DefaultPolarItemRenderer
public interface PolarItemRenderer
The interface for a renderer that can be used by the PolarPlot class.

Method Summary

void
addChangeListener(RendererChangeListener listener)
Adds a change listener.
void
drawAngularGridLines(Graphics2D g2, PolarPlot plot, List ticks, Rectangle2D dataArea)
Draw the angular gridlines - the spokes.
void
drawRadialGridLines(Graphics2D g2, PolarPlot plot, ValueAxis radialAxis, List ticks, Rectangle2D dataArea)
Draw the radial gridlines - the rings.
void
drawSeries(Graphics2D g2, Rectangle2D dataArea, PlotRenderingInfo info, PolarPlot plot, XYDataset dataset, int seriesIndex)
Plots the data for a given series.
LegendItem
getLegendItem(int series)
Return the legend for the given series.
PolarPlot
getPlot()
Returns the plot that this renderer has been assigned to.
void
removeChangeListener(RendererChangeListener listener)
Removes a change listener.
void
setPlot(PolarPlot plot)
Sets the plot that this renderer is assigned to.

Method Details

addChangeListener

public void addChangeListener(RendererChangeListener listener)
Adds a change listener.
Parameters:
listener - the listener.

drawAngularGridLines

public void drawAngularGridLines(Graphics2D g2,
                                 PolarPlot plot,
                                 List ticks,
                                 Rectangle2D dataArea)
Draw the angular gridlines - the spokes.
Parameters:
g2 - the drawing surface.
plot - the plot.
ticks - the ticks.
dataArea - the data area.

drawRadialGridLines

public void drawRadialGridLines(Graphics2D g2,
                                PolarPlot plot,
                                ValueAxis radialAxis,
                                List ticks,
                                Rectangle2D dataArea)
Draw the radial gridlines - the rings.
Parameters:
g2 - the drawing surface.
plot - the plot.
radialAxis - the radial axis.
ticks - the ticks.
dataArea - the data area.

drawSeries

public void drawSeries(Graphics2D g2,
                       Rectangle2D dataArea,
                       PlotRenderingInfo info,
                       PolarPlot plot,
                       XYDataset dataset,
                       int seriesIndex)
Plots the data for a given series.
Parameters:
g2 - the drawing surface.
dataArea - the data area.
info - collects plot rendering info.
plot - the plot.
dataset - the dataset.
seriesIndex - the series index.

getLegendItem

public LegendItem getLegendItem(int series)
Return the legend for the given series.
Parameters:
series - the series index.
Returns:
The legend item.

getPlot

public PolarPlot getPlot()
Returns the plot that this renderer has been assigned to.
Returns:
The plot.

removeChangeListener

public void removeChangeListener(RendererChangeListener listener)
Removes a change listener.
Parameters:
listener - the listener.

setPlot

public void setPlot(PolarPlot plot)
Sets the plot that this renderer is assigned to.

This method will be called by the plot class...you do not need to call it yourself.

Parameters:
plot - the plot.

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