Module platform
Package 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.

  • Method Details

    • paintOverlay

      void paintOverlay(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.