java.lang.Object
java.awt.font.TransformAttribute
- All Implemented Interfaces:
Serializable
The
TransformAttribute
class provides an immutable
wrapper for a transform so that it is safe to use as an attribute.- See Also:
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Field Summary
Modifier and TypeFieldDescriptionstatic final TransformAttribute
ATransformAttribute
representing the identity transform. -
Constructor Summary
ConstructorDescriptionTransformAttribute
(AffineTransform transform) Wraps the specified transform. -
Method Summary
Modifier and TypeMethodDescriptionboolean
Returnstrue
if rhs is aTransformAttribute
whose transform is equal to thisTransformAttribute
's transform.Returns a copy of the wrapped transform.int
hashCode()
Returns a hash code value for the object.boolean
Returnstrue
if the wrapped transform is an identity transform.
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Field Details
-
IDENTITY
ATransformAttribute
representing the identity transform.- Since:
- 1.6
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Constructor Details
-
TransformAttribute
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 useIDENTITY
in this case.)- Parameters:
transform
- the specifiedAffineTransform
to be wrapped, or null.
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Method Details
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getTransform
Returns a copy of the wrapped transform.- Returns:
- an
AffineTransform
that is a copy of the wrapped transform of thisTransformAttribute
.
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isIdentity
public boolean isIdentity()Returnstrue
if the wrapped transform is an identity transform.- Returns:
true
if the wrapped transform is an identity transform;false
otherwise.- Since:
- 1.4
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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 hash tables such as those provided byHashMap
.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 inequals
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
method, then calling thehashCode
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
equals
method, then calling thehashCode
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 hash tables.
- Whenever it is invoked on the same object more than once during
an execution of a Java application, the
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equals
Returnstrue
if rhs is aTransformAttribute
whose transform is equal to thisTransformAttribute
's transform.
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