org.jfree.chart.renderer.xy

Class XYLineAndShapeRenderer.State

java.lang.Object

org.jfree.chart.renderer.RendererState

org.jfree.chart.renderer.xy.XYItemRendererState

org.jfree.chart.renderer.xy.XYLineAndShapeRenderer.State

Direct Known Subclasses:

DeviationRenderer.State, XYSplineRenderer.XYSplineState

Enclosing class:

XYLineAndShapeRenderer

public static class XYLineAndShapeRenderer.State
extends XYItemRendererState

Records the state for the renderer. This is used to preserve state information between calls to the drawItem() method for a single chart drawing.

Field Summary

Fields

Modifier and Type	Field and Description
GeneralPath	seriesPath The path for the current series.

Fields inherited from class org.jfree.chart.renderer.xy.XYItemRendererState

workingLine

Constructor Summary

Constructors

Constructor and Description
State(PlotRenderingInfo info) Creates a new state instance.

Method Summary

Modifier and Type	Method and Description
boolean	isLastPointGood() Returns a flag that indicates if the last point drawn (in the current series) was 'good' (non-null).
void	setLastPointGood(boolean good) Sets a flag that indicates if the last point drawn (in the current series) was 'good' (non-null).
void	startSeriesPass(XYDataset dataset, int series, int firstItem, int lastItem, int pass, int passCount) This method is called by the XYPlot at the start of each series pass.

Methods inherited from class org.jfree.chart.renderer.xy.XYItemRendererState

endSeriesPass, getFirstItemIndex, getLastItemIndex, getProcessVisibleItemsOnly, setProcessVisibleItemsOnly

Methods inherited from class org.jfree.chart.renderer.RendererState

getEntityCollection, getInfo

Methods inherited from class java.lang.Object

equals, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait

Field Detail

seriesPath

public GeneralPath seriesPath

The path for the current series.

Constructor Detail

State

public State(PlotRenderingInfo info)

Creates a new state instance.

Parameters:

info - the plot rendering info.

Method Detail

isLastPointGood

public boolean isLastPointGood()

Returns a flag that indicates if the last point drawn (in the current series) was 'good' (non-null).

Returns:

A boolean.

setLastPointGood

public void setLastPointGood(boolean good)

Sets a flag that indicates if the last point drawn (in the current series) was 'good' (non-null).

Parameters:

good - the flag.

startSeriesPass

public void startSeriesPass(XYDataset dataset,
                            int series,
                            int firstItem,
                            int lastItem,
                            int pass,
                            int passCount)

This method is called by the XYPlot at the start of each series pass. We reset the state for the current series.

Overrides:

startSeriesPass in class XYItemRendererState

Parameters:

dataset - the dataset.

series - the series index.

firstItem - the first item index for this pass.

lastItem - the last item index for this pass.

pass - the current pass index.

passCount - the number of passes.

See Also:

XYItemRendererState.endSeriesPass(XYDataset, int, int, int, int, int)