org.jfree.chart.labels

Class ItemLabelPosition

java.lang.Object

org.jfree.chart.labels.ItemLabelPosition

All Implemented Interfaces:

Serializable

public class ItemLabelPosition
extends Object
implements Serializable

The attributes that control the position of the label for each data item on a chart. Instances of this class are immutable.

See Also:

Serialized Form

Constructor Summary

Constructors

Constructor and Description
ItemLabelPosition() Creates a new position record with default settings.
ItemLabelPosition(ItemLabelAnchor itemLabelAnchor, org.jfree.ui.TextAnchor textAnchor) Creates a new position record (with zero rotation).
ItemLabelPosition(ItemLabelAnchor itemLabelAnchor, org.jfree.ui.TextAnchor textAnchor, org.jfree.ui.TextAnchor rotationAnchor, double angle) Creates a new position record.

Method Summary

Modifier and Type	Method and Description
boolean	equals(Object obj) Tests this object for equality with an arbitrary object.
double	getAngle() Returns the angle of rotation for the label.
ItemLabelAnchor	getItemLabelAnchor() Returns the item label anchor.
org.jfree.ui.TextAnchor	getRotationAnchor() Returns the rotation anchor point.
org.jfree.ui.TextAnchor	getTextAnchor() Returns the text anchor.

Methods inherited from class java.lang.Object

getClass, hashCode, notify, notifyAll, toString, wait, wait, wait

Constructor Detail

ItemLabelPosition

public ItemLabelPosition()

Creates a new position record with default settings.

ItemLabelPosition

public ItemLabelPosition(ItemLabelAnchor itemLabelAnchor,
                         org.jfree.ui.TextAnchor textAnchor)

Creates a new position record (with zero rotation).

Parameters:

itemLabelAnchor - the item label anchor (null not permitted).

textAnchor - the text anchor (null not permitted).

ItemLabelPosition

public ItemLabelPosition(ItemLabelAnchor itemLabelAnchor,
                         org.jfree.ui.TextAnchor textAnchor,
                         org.jfree.ui.TextAnchor rotationAnchor,
                         double angle)

Creates a new position record. The item label anchor is a point relative to the data item (dot, bar or other visual item) on a chart. The item label is aligned by aligning the text anchor with the item label anchor.

Parameters:

itemLabelAnchor - the item label anchor (null not permitted).

textAnchor - the text anchor (null not permitted).

rotationAnchor - the rotation anchor (null not permitted).

angle - the rotation angle (in radians).

Method Detail

getItemLabelAnchor

public ItemLabelAnchor getItemLabelAnchor()

Returns the item label anchor.

Returns:

The item label anchor (never null).

getTextAnchor

public org.jfree.ui.TextAnchor getTextAnchor()

Returns the text anchor.

Returns:

The text anchor (never null).

getRotationAnchor

public org.jfree.ui.TextAnchor getRotationAnchor()

Returns the rotation anchor point.

Returns:

The rotation anchor point (never null).

getAngle

public double getAngle()

Returns the angle of rotation for the label.

Returns:

The angle (in radians).

equals

public boolean equals(Object obj)

Tests this object for equality with an arbitrary object.

Overrides:

equals in class Object

Parameters:

obj - the object (null permitted).

Returns:

A boolean.