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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.
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See Also:
-
Serialized Form
Method Summary
|
boolean
|
equals
(
Object
Returns true if rhs is a TransformAttribute whose transform is equal to this TransformAttribute's transform.
|
AffineTransform
|
getTransform
()
Returns a copy of the wrapped transform. |
int
|
hashCode
()
Returns a hash code value for the object.
|
boolean |
isIdentity
()
Returns true if the wrapped transform is an identity transform. |
Methods inherited from class java.lang.
Object
|
clone
,
equals
,
finalize
,
getClass
,
hashCode
,
notify
,
notifyAll
,
toString
,
wait
,
wait
,
wait
|
Field Detail
|
IDENTITY
public static final
TransformAttribute
IDENTITY
-
A TransformAttribute representing the identity transform.
-
Since:
-
1.6
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.
If null is passed as the argument, this constructor behaves as though it were the identity transform. (Note that it is preferable to use
IDENTITY
in this case.)
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Parameters:
-
transform - the specified
AffineTransform
to be
wrapped, or null.
wrapped
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.
-
-
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Returns:
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true if the wrapped transform is an identity transform; false otherwise.
-
Since:
-
1.4
hashCode
public int
hashCode
()
-
Description copied from class:
Object
-
Returns a hash code value for the object. This method is supported for the benefit of hashtables such as those provided by java.util.Hashtable.
The general contract of hashCode is:
-
Whenever it is invoked on the same object more than once during an execution of a Java application, the
hashCode
method must consistently return the same integer, provided no information used in
equals
comparisons on the object is modified. This integer need not remain consistent from one execution of an application to another execution of the same application.
-
If two objects are equal according to the
equals(Object)
method, then calling the hashCode method on each of the two objects must produce the same integer result.
-
It is not required that if two objects are unequal according to the
Object.equals(java.lang.Object)
hashCode
method on each of the two objects must produce distinct integer results. However, the programmer should be aware that producing distinct integer results for unequal objects may improve the performance of hashtables.
As much as is reasonably practical, the hashCode method defined by class
Object
does return distinct integers for distinct objects. (This is typically implemented by converting the internal address of the object into an integer, but this implementation technique is not required by the Java
TM
programming language.)
-
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Overrides:
-
hashCode
in class
Object
-
-
Returns:
-
a hash code value for this object.
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Since:
-
1.6
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See Also:
-
Object.equals(java.lang.Object)
,
Hashtable
equals
public boolean
equals
(
Object
rhs)
-
Returns true if rhs is a TransformAttribute whose transform is equal to this TransformAttribute's transform.
-
-
Overrides:
-
equals
in class
Object
-
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Parameters:
-
rhs - the object to compare to
-
Returns:
-
true if the argument is a TransformAttribute whose transform is equal to this TransformAttribute's transform.
-
Since:
-
1.6
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See Also:
-
Object.hashCode()
,
Hashtable