Package 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 Details

    • ItemLabelPosition

      public ItemLabelPosition()
      Creates a new position record with default settings.

    • ItemLabelPosition

      public ItemLabelPosition​(ItemLabelAnchor itemLabelAnchor, 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, TextAnchor textAnchor, 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 Details

    • getItemLabelAnchor

      public ItemLabelAnchor getItemLabelAnchor()
      Returns the item label anchor.
      Returns:
      The item label anchor (never null).

    • getTextAnchor

      public TextAnchor getTextAnchor()
      Returns the text anchor.
      Returns:
      The text anchor (never null).

    • getRotationAnchor

      public 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.