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org.jfree.chart.axis

Class CategoryLabelPosition

Implemented Interfaces:
Serializable
public class CategoryLabelPosition
extends java.lang.Object
implements Serializable
The attributes that control the position of the labels for the categories on a CategoryAxis. Instances of this class are immutable and other JFreeChart classes rely upon this.

Constructor Summary

CategoryLabelPosition()
Creates a new position record with default settings.
CategoryLabelPosition(RectangleAnchor categoryAnchor, TextBlockAnchor labelAnchor)
Creates a new category label position record.
CategoryLabelPosition(RectangleAnchor categoryAnchor, TextBlockAnchor labelAnchor, TextAnchor rotationAnchor, double angle, CategoryLabelWidthType widthType, float widthRatio)
Creates a new position record.
CategoryLabelPosition(RectangleAnchor categoryAnchor, TextBlockAnchor labelAnchor, CategoryLabelWidthType widthType, float widthRatio)
Creates a new category label position record.

Method Summary

boolean
equals(Object obj)
Tests this instance for equality with an arbitrary object.
double
getAngle()
Returns the angle of rotation for the label.
RectangleAnchor
getCategoryAnchor()
Returns the item label anchor.
TextBlockAnchor
getLabelAnchor()
Returns the text block anchor.
TextAnchor
getRotationAnchor()
Returns the rotation anchor point.
float
getWidthRatio()
Returns the ratio used to calculate the maximum category label width.
CategoryLabelWidthType
getWidthType()
Returns the width calculation type.
int
hashCode()
Returns a hash code for this object.

Constructor Details

CategoryLabelPosition

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

CategoryLabelPosition

public CategoryLabelPosition(RectangleAnchor categoryAnchor,
                             TextBlockAnchor labelAnchor)
Creates a new category label position record.
Parameters:
categoryAnchor - the category anchor (null not permitted).
labelAnchor - the label anchor (null not permitted).

CategoryLabelPosition

public CategoryLabelPosition(RectangleAnchor categoryAnchor,
                             TextBlockAnchor labelAnchor,
                             TextAnchor rotationAnchor,
                             double angle,
                             CategoryLabelWidthType widthType,
                             float widthRatio)
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:
categoryAnchor - the category anchor (null not permitted).
labelAnchor - the label anchor (null not permitted).
rotationAnchor - the rotation anchor (null not permitted).
angle - the rotation angle (null not permitted).
widthType - the width type (null not permitted).
widthRatio - the maximum label width as a percentage (of the category space or the range space).

CategoryLabelPosition

public CategoryLabelPosition(RectangleAnchor categoryAnchor,
                             TextBlockAnchor labelAnchor,
                             CategoryLabelWidthType widthType,
                             float widthRatio)
Creates a new category label position record.
Parameters:
categoryAnchor - the category anchor (null not permitted).
labelAnchor - the label anchor (null not permitted).
widthType - the width type (null not permitted).
widthRatio - the maximum label width as a percentage (of the category space or the range space).

Method Details

equals

public boolean equals(Object obj)
Tests this instance for equality with an arbitrary object.
Parameters:
obj - the object (null permitted).
Returns:
A boolean.

getAngle

public double getAngle()
Returns the angle of rotation for the label.
Returns:
The angle (in radians).

getCategoryAnchor

public RectangleAnchor getCategoryAnchor()
Returns the item label anchor.
Returns:
The item label anchor (never null).

getLabelAnchor

public TextBlockAnchor getLabelAnchor()
Returns the text block anchor.
Returns:
The text block anchor (never null).

getRotationAnchor

public TextAnchor getRotationAnchor()
Returns the rotation anchor point.
Returns:
The rotation anchor point (never null).

getWidthRatio

public float getWidthRatio()
Returns the ratio used to calculate the maximum category label width.
Returns:
The ratio.

getWidthType

public CategoryLabelWidthType getWidthType()
Returns the width calculation type.
Returns:
The width calculation type.

hashCode

public int hashCode()
Returns a hash code for this object.
Returns:
A hash code.

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