org.spf4j.perf.impl.chart

Class InverseGrayScale

java.lang.Object

org.spf4j.perf.impl.chart.InverseGrayScale

All Implemented Interfaces:

Serializable, Cloneable, org.jfree.chart.renderer.PaintScale, org.jfree.util.PublicCloneable

public final class InverseGrayScale
extends Object
implements org.jfree.chart.renderer.PaintScale, org.jfree.util.PublicCloneable, Serializable

A paint scale that returns shades of gray.

Since:

1.0.4

See Also:

Serialized Form

Constructor Summary

Constructors

Constructor and Description
InverseGrayScale() Creates a new GrayPaintScale instance with default values.
InverseGrayScale(double lowerBound, double upperBound) Creates a new paint scale for values in the specified range.
InverseGrayScale(double lowerBound, double upperBound, int alpha) Creates a new paint scale for values in the specified range.

Method Summary

Methods

Modifier and Type	Method and Description
InverseGrayScale	clone() Returns a clone of this GrayPaintScale instance.
boolean	equals(Object obj)
int	getAlpha() Returns the alpha transparency that was specified in the constructor.
double	getLowerBound() Returns the lower bound.
Paint	getPaint(double value) Returns a paint for the specified value.
double	getUpperBound() Returns the upper bound.
int	hashCode()

Methods inherited from class java.lang.Object

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

Constructor Detail

InverseGrayScale

public InverseGrayScale()

Creates a new GrayPaintScale instance with default values.

InverseGrayScale

public InverseGrayScale(double lowerBound,
                double upperBound)

Creates a new paint scale for values in the specified range.

Parameters:

lowerBound - the lower bound.

upperBound - the upper bound.

Throws:

IllegalArgumentException - if lowerBound is not less than upperBound.

InverseGrayScale

public InverseGrayScale(double lowerBound,
                double upperBound,
                int alpha)

Creates a new paint scale for values in the specified range.

Parameters:

lowerBound - the lower bound.

upperBound - the upper bound.

alpha - the alpha transparency (0-255).

Throws:

IllegalArgumentException - if lowerBound is not less than upperBound, or alpha is not in the range 0 to 255.

Since:

1.0.13

Method Detail

getLowerBound

public double getLowerBound()

Returns the lower bound.

Specified by:

getLowerBound in interface org.jfree.chart.renderer.PaintScale

Returns:

The lower bound.

See Also:

getUpperBound()

getUpperBound

public double getUpperBound()

Returns the upper bound.

Specified by:

getUpperBound in interface org.jfree.chart.renderer.PaintScale

Returns:

The upper bound.

See Also:

getLowerBound()

getAlpha

public int getAlpha()

Returns the alpha transparency that was specified in the constructor.

Returns:

The alpha transparency (in the range 0 to 255).

Since:

1.0.13

getPaint

public Paint getPaint(double value)

Returns a paint for the specified value.

Specified by:

getPaint in interface org.jfree.chart.renderer.PaintScale

Parameters:

value - the value (must be within the range specified by the lower and upper bounds for the scale).

Returns:

A paint for the specified value.

equals

public boolean equals(Object obj)

Overrides:

equals in class Object

hashCode

public int hashCode()

Overrides:

hashCode in class Object

clone

public InverseGrayScale clone()

Returns a clone of this GrayPaintScale instance.

Specified by:

clone in interface org.jfree.util.PublicCloneable

Overrides:

clone in class Object

Returns:

A clone.