org.apache.pivot.wtk.effects
Class FadeDecorator

java.lang.Object
  extended by org.apache.pivot.wtk.effects.FadeDecorator
All Implemented Interfaces:
Decorator

public class FadeDecorator
extends Object
implements Decorator

Decorator that applies an opacity to a component.


Constructor Summary
FadeDecorator()
           
FadeDecorator(float opacity)
           
 
Method Summary
 Bounds getBounds(Component component)
          Returns the bounding area of the decorator.
 float getOpacity()
           
 AffineTransform getTransform(Component component)
          Returns the transformation the decorator applies to the component's coordinate space.
 Graphics2D prepare(Component component, Graphics2D graphics)
          Prepares the graphics context into which the component or prior decorator will paint.
 void setOpacity(float opacity)
           
 void update()
          Updates the graphics context into which the component or prior decorator was painted.
 
Methods inherited from class java.lang.Object
clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait
 

Constructor Detail

FadeDecorator

public FadeDecorator()

FadeDecorator

public FadeDecorator(float opacity)
Method Detail

getOpacity

public float getOpacity()

setOpacity

public void setOpacity(float opacity)

prepare

public Graphics2D prepare(Component component,
                          Graphics2D graphics)
Description copied from interface: Decorator
Prepares the graphics context into which the component or prior decorator will paint. This method is called immediately prior to Component.paint(Graphics2D); decorators are called in descending order.

Specified by:
prepare in interface Decorator
Returns:
The graphics context that should be used by the component or prior decorators.

update

public void update()
Description copied from interface: Decorator
Updates the graphics context into which the component or prior decorator was painted. This method is called immediately after Component.paint(Graphics2D); decorators are called in ascending order.

Specified by:
update in interface Decorator

getBounds

public Bounds getBounds(Component component)
Description copied from interface: Decorator
Returns the bounding area of the decorator.

Specified by:
getBounds in interface Decorator
Returns:
The decorator's bounds, relative to the component's origin.

getTransform

public AffineTransform getTransform(Component component)
Description copied from interface: Decorator
Returns the transformation the decorator applies to the component's coordinate space.

Specified by:
getTransform in interface Decorator
Returns:
The decorator's transform.