Class CrosshairOverlay

Method Details

• addDomainCrosshair

  public void addDomainCrosshair(Crosshair crosshair)

  Adds a crosshair against the domain axis and sends an OverlayChangeEvent to all registered listeners.

  Parameters:

  crosshair - the crosshair (null not permitted).

  See Also:

  • removeDomainCrosshair(org.jfree.chart.plot.Crosshair)
  • addRangeCrosshair(org.jfree.chart.plot.Crosshair)

• removeDomainCrosshair

  public void removeDomainCrosshair(Crosshair crosshair)

  Removes a domain axis crosshair and sends an OverlayChangeEvent to all registered listeners.

  Parameters:

  crosshair - the crosshair (null not permitted).

  See Also:

  • addDomainCrosshair(org.jfree.chart.plot.Crosshair)

• clearDomainCrosshairs

  public void clearDomainCrosshairs()

  Clears all the domain crosshairs from the overlay and sends an OverlayChangeEvent to all registered listeners.

• getDomainCrosshairs

  public List getDomainCrosshairs()

  Returns a new list containing the domain crosshairs for this overlay.

  Returns:

  A list of crosshairs.

• addRangeCrosshair

  public void addRangeCrosshair(Crosshair crosshair)

  Adds a crosshair against the range axis and sends an OverlayChangeEvent to all registered listeners.

  Parameters:

  crosshair - the crosshair (null not permitted).

• removeRangeCrosshair

  public void removeRangeCrosshair(Crosshair crosshair)

  Removes a range axis crosshair and sends an OverlayChangeEvent to all registered listeners.

  Parameters:

  crosshair - the crosshair (null not permitted).

  See Also:

  • addRangeCrosshair(org.jfree.chart.plot.Crosshair)

• clearRangeCrosshairs

  public void clearRangeCrosshairs()

  Clears all the range crosshairs from the overlay and sends an OverlayChangeEvent to all registered listeners.

• getRangeCrosshairs

  public List getRangeCrosshairs()

  Returns a new list containing the range crosshairs for this overlay.

  Returns:

  A list of crosshairs.

• propertyChange

  public void propertyChange(PropertyChangeEvent e)

  Receives a property change event (typically a change in one of the crosshairs).

  Specified by:

  propertyChange in interface PropertyChangeListener

  Parameters:

  e - the event.

• paintOverlay

  public void paintOverlay(Graphics2D g2, ChartPanel chartPanel)

  Paints the crosshairs in the layer.

  Specified by:

  paintOverlay in interface Overlay

  Parameters:

  g2 - the graphics target.

  chartPanel - the chart panel.

• drawHorizontalCrosshair

  protected void drawHorizontalCrosshair(Graphics2D g2, Rectangle2D dataArea, double y, Crosshair crosshair)

  Draws a crosshair horizontally across the plot.

  Parameters:

  g2 - the graphics target.

  dataArea - the data area.

  y - the y-value in Java2D space.

  crosshair - the crosshair.

• drawVerticalCrosshair

  protected void drawVerticalCrosshair(Graphics2D g2, Rectangle2D dataArea, double x, Crosshair crosshair)

  Draws a crosshair vertically on the plot.

  Parameters:

  g2 - the graphics target.

  dataArea - the data area.

  x - the x-value in Java2D space.

  crosshair - the crosshair.

• equals

  public boolean equals(Object obj)

  Tests this overlay for equality with an arbitrary object.

  Overrides:

  equals in class Object

  Parameters:

  obj - the object (null permitted).

  Returns:

  A boolean.

• clone

  public Object clone() throws CloneNotSupportedException

  Returns a clone of this instance.

  Specified by:

  clone in interface org.jfree.util.PublicCloneable

  Overrides:

  clone in class Object

  Returns:

  A clone of this instance.

  Throws:

  CloneNotSupportedException - if there is some problem with the cloning.