org.jfree.chart.panel

Interface Overlay

All Known Implementing Classes:

CrosshairOverlay

public interface Overlay

Defines the interface for an overlay that can be added to a ChartPanel.

Since:

1.0.13

Method Summary

Modifier and Type	Method and Description
void	addChangeListener(OverlayChangeListener listener) Registers a change listener with the overlay.
void	paintOverlay(java.awt.Graphics2D g2, ChartPanel chartPanel) Paints the crosshairs in the layer.
void	removeChangeListener(OverlayChangeListener listener) Deregisters a listener from the overlay.

Method Detail

paintOverlay

void paintOverlay(java.awt.Graphics2D g2,
                  ChartPanel chartPanel)

Paints the crosshairs in the layer.

Parameters:

g2 - the graphics target.

chartPanel - the chart panel.

addChangeListener

void addChangeListener(OverlayChangeListener listener)

Registers a change listener with the overlay.

Parameters:

listener - the listener.

removeChangeListener

void removeChangeListener(OverlayChangeListener listener)

Deregisters a listener from the overlay.

Parameters:

listener - the listener.