org.jfree.chart.panel

Interface Overlay

public interface Overlay

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

Since: 1.0.13

Method Summary
void	addChangeListener(OverlayChangeListener listener) Registers a change listener with the overlay.
void	paintOverlay(Graphics2D g2, ChartPanel chartPanel) Paints the crosshairs in the layer.
void	removeChangeListener(OverlayChangeListener listener) Deregisters a listener from the overlay.

Method Detail

public void addChangeListener(OverlayChangeListener listener)

Registers a change listener with the overlay.

Parameters: listener the listener.

public void paintOverlay(Graphics2D g2, ChartPanel chartPanel)

Paints the crosshairs in the layer.

Parameters: g2 the graphics target. chartPanel the chart panel.

public void removeChangeListener(OverlayChangeListener listener)

Deregisters a listener from the overlay.

Parameters: listener the listener.