org.jfree.chart.plot.dial
public interface DialLayer
Since: 1.0.7
Method Summary | |
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void | addChangeListener(DialLayerChangeListener listener)
Registers a listener with this layer, so that it receives notification
of changes to this layer.
|
void | draw(Graphics2D g2, DialPlot plot, Rectangle2D frame, Rectangle2D view)
Draws the content of this layer.
|
boolean | hasListener(EventListener listener)
Returns true if the specified listener is currently
registered with the this layer.
|
boolean | isClippedToWindow()
Returns true if the drawing should be clipped to the
dial window (which is defined by the DialFrame), and
false otherwise.
|
boolean | isVisible()
Returns a flag that indicates whether or not the layer is visible.
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void | removeChangeListener(DialLayerChangeListener listener)
Deregisters a listener, so that it no longer receives notification of
changes to this layer.
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Parameters: listener the listener.
Parameters: g2 the graphics target (null
not permitted). plot the plot (typically this should not be null
,
but for a layer that doesn't need to reference the plot, it may
be permitted). frame the reference frame for the dial's geometry
(null
not permitted). This is typically larger than
the visible area of the dial (see the next parameter). view the visible area for the dial (null
not
permitted).
true
if the specified listener is currently
registered with the this layer.
Parameters: listener the listener.
Returns: A boolean.
true
if the drawing should be clipped to the
dial window (which is defined by the DialFrame), and
false
otherwise.
Returns: A boolean.
Returns: A boolean.
Parameters: listener the listener.