org.jfree.chart.renderer

Class LookupPaintScale

java.lang.Object

org.jfree.chart.renderer.LookupPaintScale

All Implemented Interfaces:

java.io.Serializable, java.lang.Cloneable, PaintScale, org.jfree.util.PublicCloneable

public class LookupPaintScale
extends java.lang.Object
implements PaintScale, org.jfree.util.PublicCloneable, java.io.Serializable

A paint scale that uses a lookup table to associate paint instances with data value ranges.

Since:

1.0.4

See Also:

Serialized Form

Nested Class Summary

Nested Classes

Modifier and Type	Class and Description
(package private) static class	LookupPaintScale.PaintItem Stores the paint for a value.

Field Summary

Fields

Modifier and Type	Field and Description
private java.awt.Paint	defaultPaint The default paint.
private java.util.List	lookupTable The lookup table.
private double	lowerBound The lower bound.
(package private) static long	serialVersionUID For serialization.
private double	upperBound The upper bound.

Constructor Summary

Constructors

Constructor and Description
LookupPaintScale() Creates a new paint scale.
LookupPaintScale(double lowerBound, double upperBound, java.awt.Paint defaultPaint) Creates a new paint scale with the specified default paint.

Method Summary

Modifier and Type	Method and Description
void	add(double value, java.awt.Paint paint) Adds an entry to the lookup table.
void	add(java.lang.Number value, java.awt.Paint paint) Deprecated. Use add(double, Paint).
java.lang.Object	clone() Returns a clone of the instance.
boolean	equals(java.lang.Object obj) Tests this instance for equality with an arbitrary object.
java.awt.Paint	getDefaultPaint() Returns the default paint (never null).
double	getLowerBound() Returns the lower bound.
java.awt.Paint	getPaint(double value) Returns the paint associated with the specified value.
double	getUpperBound() Returns the upper bound.
private void	readObject(java.io.ObjectInputStream stream) Provides serialization support.
private void	writeObject(java.io.ObjectOutputStream stream) Provides serialization support.

Methods inherited from class java.lang.Object

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

Field Detail

serialVersionUID

static final long serialVersionUID

For serialization.

See Also:

Constant Field Values

lowerBound

private double lowerBound

The lower bound.

upperBound

private double upperBound

The upper bound.

defaultPaint

private transient java.awt.Paint defaultPaint

The default paint.

lookupTable

private java.util.List lookupTable

The lookup table.

Constructor Detail

LookupPaintScale

public LookupPaintScale()

Creates a new paint scale.

LookupPaintScale

public LookupPaintScale(double lowerBound,
                        double upperBound,
                        java.awt.Paint defaultPaint)

Creates a new paint scale with the specified default paint.

Parameters:

lowerBound - the lower bound.

upperBound - the upper bound.

defaultPaint - the default paint (null not permitted).

Method Detail

getDefaultPaint

public java.awt.Paint getDefaultPaint()

Returns the default paint (never null).

Returns:

The default paint.

getLowerBound

public double getLowerBound()

Returns the lower bound.

Specified by:

getLowerBound in interface PaintScale

Returns:

The lower bound.

See Also:

getUpperBound()

getUpperBound

public double getUpperBound()

Returns the upper bound.

Specified by:

getUpperBound in interface PaintScale

Returns:

The upper bound.

See Also:

getLowerBound()

add

public void add(java.lang.Number value,
                java.awt.Paint paint)

Deprecated. Use add(double, Paint).

Adds an entry to the lookup table. Any values from n up to but not including the next value in the table take on the specified paint.

Parameters:

value - the data value (null not permitted).

paint - the paint.

add

public void add(double value,
                java.awt.Paint paint)

Adds an entry to the lookup table. Any values from n up to but not including the next value in the table take on the specified paint.

Parameters:

value - the data value.

paint - the paint.

Since:

1.0.6

getPaint

public java.awt.Paint getPaint(double value)

Returns the paint associated with the specified value.

Specified by:

getPaint in interface PaintScale

Parameters:

value - the value.

Returns:

The paint.

See Also:

getDefaultPaint()

equals

public boolean equals(java.lang.Object obj)

Tests this instance for equality with an arbitrary object.

Overrides:

equals in class java.lang.Object

Parameters:

obj - the object (null permitted).

Returns:

A boolean.

clone

public java.lang.Object clone()
                       throws java.lang.CloneNotSupportedException

Returns a clone of the instance.

Specified by:

clone in interface org.jfree.util.PublicCloneable

Overrides:

clone in class java.lang.Object

Returns:

A clone.

Throws:

java.lang.CloneNotSupportedException - if there is a problem cloning the instance.

writeObject

private void writeObject(java.io.ObjectOutputStream stream)
                  throws java.io.IOException

Provides serialization support.

Parameters:

stream - the output stream.

Throws:

java.io.IOException - if there is an I/O error.

readObject

private void readObject(java.io.ObjectInputStream stream)
                 throws java.io.IOException,
                        java.lang.ClassNotFoundException

Provides serialization support.

Parameters:

stream - the input stream.

Throws:

java.io.IOException - if there is an I/O error.

java.lang.ClassNotFoundException - if there is a classpath problem.