org.apache.pivot.wtk.effects

Class FadeDecorator

java.lang.Object

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

Constructors

Constructor and Description
FadeDecorator()
FadeDecorator(float opacity)

Method Summary

Methods

Modifier and Type	Method and Description
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.