java.awt.font
Class TransformAttribute

java.lang.Object
  java.awt.font.TransformAttribute

All Implemented Interfaces:

Serializable

public final class TransformAttribute

extends Object

implements Serializable

The TransformAttribute class provides an immutable wrapper for a transform so that it is safe to use as an attribute.

See Also:

Serialized Form

Field Summary

(package private) static long	serialVersionUID
private AffineTransform	transform The AffineTransform for this TransformAttribute, or null if AffineTransform is the identity transform.

Constructor Summary

TransformAttribute(AffineTransform transform)
Wraps the specified transform.

Method Summary

AffineTransform	getTransform() Returns a copy of the wrapped transform.
boolean	isIdentity() Returns true if the wrapped transform is an identity transform.
private void	writeObject(ObjectOutputStream s)

Methods inherited from class java.lang.Object

clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait

Field Detail

transform

private AffineTransform transform

The AffineTransform for this TransformAttribute, or null if AffineTransform is the identity transform.

serialVersionUID

static final long serialVersionUID

See Also:

Constant Field Values

Constructor Detail

TransformAttribute

public TransformAttribute(AffineTransform transform)

Wraps the specified transform. The transform is cloned and a reference to the clone is kept. The original transform is unchanged.

Parameters:

transform - the specified AffineTransform to be wrapped

Method Detail

getTransform

public AffineTransform getTransform()

Returns a copy of the wrapped transform.

Returns:

a AffineTransform that is a copy of the wrapped transform of this TransformAttribute.

isIdentity

public boolean isIdentity()

Returns true if the wrapped transform is an identity transform.

Returns:

true if the wrapped transform is an identity transform; false otherwise.

Since:

1.4

writeObject

private void writeObject(ObjectOutputStream s)
                  throws ClassNotFoundException,
                         IOException

Throws:

ClassNotFoundException

IOException