Package org.jfree.chart.plot.dial
Class DialBackground
java.lang.Object
org.jfree.chart.plot.dial.AbstractDialLayer
org.jfree.chart.plot.dial.DialBackground
- All Implemented Interfaces:
Serializable
,Cloneable
,DialLayer
,PublicCloneable
public class DialBackground extends AbstractDialLayer implements DialLayer, Cloneable, PublicCloneable, Serializable
A regular dial layer that can be used to draw the background for a dial.
- See Also:
- Serialized Form
-
Constructor Summary
Constructors Constructor Description DialBackground()
Creates a new instance ofDialBackground
.DialBackground(Paint paint)
Creates a new instance ofDialBackground
. -
Method Summary
Modifier and Type Method Description Object
clone()
Returns a clone of this instance.void
draw(Graphics2D g2, DialPlot plot, Rectangle2D frame, Rectangle2D view)
Draws the background to the specified graphics device.boolean
equals(Object obj)
Tests this instance for equality with an arbitrary object.GradientPaintTransformer
getGradientPaintTransformer()
Returns the transformer used to adjust the coordinates of anyGradientPaint
instance used for the background paint.Paint
getPaint()
Returns the paint used to fill the background.int
hashCode()
Returns a hash code for this instance.boolean
isClippedToWindow()
Returnstrue
to indicate that this layer should be clipped within the dial window.void
setGradientPaintTransformer(GradientPaintTransformer t)
Sets the transformer used to adjust the coordinates of anyGradientPaint
instance used for the background paint, and sends aDialLayerChangeEvent
to all registered listeners.void
setPaint(Paint paint)
Sets the paint for the dial background and sends aDialLayerChangeEvent
to all registered listeners.Methods inherited from class org.jfree.chart.plot.dial.AbstractDialLayer
addChangeListener, hasListener, isVisible, notifyListeners, removeChangeListener, setVisible
Methods inherited from class java.lang.Object
finalize, getClass, notify, notifyAll, toString, wait, wait, wait
Methods inherited from interface org.jfree.chart.plot.dial.DialLayer
addChangeListener, hasListener, isVisible, removeChangeListener
-
Constructor Details
-
DialBackground
public DialBackground()Creates a new instance ofDialBackground
. The default background paint isColor.WHITE
. -
DialBackground
Creates a new instance ofDialBackground
.- Parameters:
paint
- the paint (null
not permitted).- Throws:
IllegalArgumentException
- ifPaint
isnull
.
-
-
Method Details
-
getPaint
Returns the paint used to fill the background.- Returns:
- The paint (never
null
). - See Also:
setPaint(Paint)
-
setPaint
Sets the paint for the dial background and sends aDialLayerChangeEvent
to all registered listeners.- Parameters:
paint
- the paint (null
not permitted).- See Also:
getPaint()
-
getGradientPaintTransformer
Returns the transformer used to adjust the coordinates of anyGradientPaint
instance used for the background paint.- Returns:
- The transformer (never
null
). - See Also:
setGradientPaintTransformer(GradientPaintTransformer)
-
setGradientPaintTransformer
Sets the transformer used to adjust the coordinates of anyGradientPaint
instance used for the background paint, and sends aDialLayerChangeEvent
to all registered listeners.- Parameters:
t
- the transformer (null
not permitted).- See Also:
getGradientPaintTransformer()
-
isClippedToWindow
Returnstrue
to indicate that this layer should be clipped within the dial window.- Specified by:
isClippedToWindow
in interfaceDialLayer
- Returns:
true
.
-
draw
Draws the background to the specified graphics device. If the dial frame specifies a window, the clipping region will already have been set to this window before this method is called. -
equals
Tests this instance for equality with an arbitrary object.- Overrides:
equals
in classAbstractDialLayer
- Parameters:
obj
- the object (null
permitted).- Returns:
- A boolean.
-
hashCode
Returns a hash code for this instance.- Overrides:
hashCode
in classAbstractDialLayer
- Returns:
- The hash code.
-
clone
Returns a clone of this instance.- Specified by:
clone
in interfacePublicCloneable
- Overrides:
clone
in classAbstractDialLayer
- Returns:
- The clone.
- Throws:
CloneNotSupportedException
- if some attribute of this instance cannot be cloned.
-