AbstractFilteredComposer (Strange Eons API)

java.lang.Object
- ca.cgjennings.ui.anim.AbstractFilteredComposer

All Implemented Interfaces:

FrameComposer

Direct Known Subclasses:

TimeShiftedComposer
```
public abstract class AbstractFilteredComposer
extends java.lang.Object
implements FrameComposer
```
This is an abstract base class for composition filters: compositions which modify the behaviour of other compositions.

Since:

3.0

Author:

Chris Jennings

Constructor Summary

Constructors
Constructor	Description
`AbstractFilteredComposer(Animation animation)`	Creates a filter for an animation.
`AbstractFilteredComposer(FrameComposer composer)`	Creates a filter for an existing composition.

Method Summary

All Methods Instance Methods Concrete Methods
Modifier and Type	Method	Description
`FrameComposer`	`getComposer()`	Returns the filtered composer.
`void`	`setComposer(FrameComposer composer)`	Sets the composer to be filtered.

Methods inherited from class java.lang.Object
clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait

Methods inherited from interface ca.cgjennings.ui.anim.FrameComposer
composeFrame

- Constructor Detail
  - AbstractFilteredComposer
```
public AbstractFilteredComposer(FrameComposer composer)
```
    Creates a filter for an existing composition.
    
    Parameters:
    
    composer - the composition to filter
    
    Throws:
    
    java.lang.NullPointerException - if the composer is null
  - AbstractFilteredComposer
```
public AbstractFilteredComposer(Animation animation)
```
    Creates a filter for an animation. This will create a filter for the composition set on the animation and then replace the animation's composition with this filter.
    
    Parameters:
    
    animation - the animation whose composer should be filtered
    
    Throws:
    
    java.lang.NullPointerException - if the animation is null
- Method Detail
  - getComposer
```
public FrameComposer getComposer()
```
    Returns the filtered composer.
    
    Returns:
    
    the composer being immediately filtered by this composer
  - setComposer
```
public void setComposer(FrameComposer composer)
```
    Sets the composer to be filtered.
    
    Parameters:
    
    composer - the composer to which filtering will be applied
    
    Throws:
    
    java.lang.NullPointerException - if the composer is null