Package org.jfree.chart.axis

Class CategoryLabelPositions

java.lang.Object
org.jfree.chart.axis.CategoryLabelPositions
All Implemented Interfaces:
Serializable
public class CategoryLabelPositions
extends Object
implements Serializable
Records the label positions for a category axis. Instances of this class are immutable.
See Also:
Serialized Form

  • Field Details

  • Constructor Details

    • CategoryLabelPositions

      public CategoryLabelPositions()
      Default constructor.

    • CategoryLabelPositions

      public CategoryLabelPositions​(CategoryLabelPosition top, CategoryLabelPosition bottom, CategoryLabelPosition left, CategoryLabelPosition right)
      Creates a new position specification.
      Parameters:
      top - the label position info used when an axis is at the top (null not permitted).
      bottom - the label position info used when an axis is at the bottom (null not permitted).
      left - the label position info used when an axis is at the left (null not permitted).
      right - the label position info used when an axis is at the right (null not permitted).

  • Method Details

    • createUpRotationLabelPositions

      public static CategoryLabelPositions createUpRotationLabelPositions​(double angle)
      Creates a new instance where the category labels angled upwards by the specified amount.
      Parameters:
      angle - the rotation angle (should be < Math.PI / 2.0).
      Returns:
      A category label position specification.

    • createDownRotationLabelPositions

      public static CategoryLabelPositions createDownRotationLabelPositions​(double angle)
      Creates a new instance where the category labels angled downwards by the specified amount.
      Parameters:
      angle - the rotation angle (should be < Math.PI / 2.0).
      Returns:
      A category label position specification.

    • getLabelPosition

      public CategoryLabelPosition getLabelPosition​(org.jfree.ui.RectangleEdge edge)
      Returns the category label position specification for an axis at the given location.
      Parameters:
      edge - the axis location.
      Returns:
      the category label position specification.

    • replaceTopPosition

      public static CategoryLabelPositions replaceTopPosition​(CategoryLabelPositions base, CategoryLabelPosition top)
      Returns a new instance based on an existing instance but with the top position changed.
      Parameters:
      base - the base (null not permitted).
      top - the top position (null not permitted).
      Returns:
      a new instance (never null).

    • replaceBottomPosition

      public static CategoryLabelPositions replaceBottomPosition​(CategoryLabelPositions base, CategoryLabelPosition bottom)
      Returns a new instance based on an existing instance but with the bottom position changed.
      Parameters:
      base - the base (null not permitted).
      bottom - the bottom position (null not permitted).
      Returns:
      a new instance (never null).

    • replaceLeftPosition

      public static CategoryLabelPositions replaceLeftPosition​(CategoryLabelPositions base, CategoryLabelPosition left)
      Returns a new instance based on an existing instance but with the left position changed.
      Parameters:
      base - the base (null not permitted).
      left - the left position (null not permitted).
      Returns:
      a new instance (never null).

    • replaceRightPosition

      public static CategoryLabelPositions replaceRightPosition​(CategoryLabelPositions base, CategoryLabelPosition right)
      Returns a new instance based on an existing instance but with the right position changed.
      Parameters:
      base - the base (null not permitted).
      right - the right position (null not permitted).
      Returns:
      a new instance (never null).

    • equals

      public boolean equals​(Object o)
      Returns true if this object is equal to the specified object, and false otherwise.
      Overrides:
      equals in class Object
      Parameters:
      o - the other object.
      Returns:
      a boolean.