ImageToken

java.lang.Object
- ptolemy.data.Token
- - ptolemy.data.ObjectToken
  - - ptolemy.data.ImageToken

Direct Known Subclasses:

AWTImageToken, JAIImageToken, JMFImageToken
```
public abstract class ImageToken
extends ObjectToken
```
An abstract class that all tokens which encapsulate images should extend. Each class that extends this class is required to implement the method asAWTImage(), so that it may be used with the standard image processing library.

Since:

Ptolemy II 3.0

Version:

$Id$

Author:

James Yeh

Pt.AcceptedRating:

Red (cxh)

Pt.ProposedRating:

Red (cxh)

- Field Summary
  - Fields inherited from class ptolemy.data.ObjectToken
    _class, _value, NULL
  - Fields inherited from class ptolemy.data.Token
    NIL
- Constructor Summary
  
  Constructors
  Constructor Description
  
  ImageToken()
  Construct an empty token.
- Method Summary
  
  All Methods Instance Methods Abstract Methods
  Modifier and Type Method Description
  
  abstract java.awt.Image asAWTImage()
  Return the value of this token as a java.awt.Image.
  - Methods inherited from class ptolemy.data.ObjectToken
    _isCloseTo, _isEqualTo, convert, equals, getType, getValue, getValueClass, hashCode, isCloseTo, isEqualTo, object, toString
  - Methods inherited from class ptolemy.data.Token
    add, addReverse, divide, divideReverse, isCloseTo, isNil, modulo, moduloReverse, multiply, multiplyReverse, notSupportedConversionMessage, notSupportedIncomparableConversionMessage, notSupportedIncomparableMessage, notSupportedMessage, notSupportedNullNilStringMessage, one, pow, subtract, subtractReverse, zero, zeroReturnType
  - Methods inherited from class java.lang.Object
    clone, finalize, getClass, notify, notifyAll, wait, wait, wait

- Constructor Detail
  - ImageToken
```
public ImageToken()
```
    Construct an empty token.
- Method Detail
  - asAWTImage
```
public abstract java.awt.Image asAWTImage()
```
    Return the value of this token as a java.awt.Image.
    
    Returns:
    
    The image.