org.jscience.media.pictures.filters
Class ArrayColormap

java.lang.Object
  org.jscience.media.pictures.filters.ArrayColormap

All Implemented Interfaces:

java.io.Serializable, java.lang.Cloneable, Colormap

Direct Known Subclasses:

Gradient, SplineColormap

public class ArrayColormap
extends java.lang.Object
implements Colormap, java.lang.Cloneable, java.io.Serializable

A colormap implemented with an array of colors. This corresponds to the IndexColorModel class.

See Also:

Serialized Form

Field Summary

protected int[]

map The array of colors.

Constructor Summary

ArrayColormap()
Construct an all-black colormap

ArrayColormap(int[] map)
Construct a colormap with the given map

Method Summary

java.lang.Object	clone() DOCUMENT ME!
int	getColor(float v) Convert a value in the range 0..1 to an RGB color.
int[]	getMap() DOCUMENT ME!
void	setColor(int index, int color) DOCUMENT ME!
void	setColorInterpolated(int index, int firstIndex, int lastIndex, int color) Set the color at "index" to "color".
void	setColorRange(int firstIndex, int lastIndex, int color) DOCUMENT ME!
void	setColorRange(int firstIndex, int lastIndex, int color1, int color2) DOCUMENT ME!
void	setMap(int[] map) DOCUMENT ME!

Methods inherited from class java.lang.Object

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

Field Detail

map

protected int[] map

The array of colors.

Constructor Detail

ArrayColormap

public ArrayColormap()

Construct an all-black colormap

ArrayColormap

public ArrayColormap(int[] map)

Construct a colormap with the given map

Parameters:

map - the array of ARGB colors

Method Detail

clone

public java.lang.Object clone()

DOCUMENT ME!

Overrides:

clone in class java.lang.Object

Returns:

DOCUMENT ME!

setMap

public void setMap(int[] map)

DOCUMENT ME!

Parameters:

map - DOCUMENT ME!

getMap

public int[] getMap()

DOCUMENT ME!

Returns:

DOCUMENT ME!

getColor

public int getColor(float v)

Convert a value in the range 0..1 to an RGB color.

Specified by:

getColor in interface Colormap

Parameters:

v - a value in the range 0..1

Returns:

an RGB color

setColorInterpolated

public void setColorInterpolated(int index,
                                 int firstIndex,
                                 int lastIndex,
                                 int color)

Set the color at "index" to "color". Entries are interpolated linearly from the existing entries at "firstIndex" and "lastIndex" to the new entry. firstIndex < index < lastIndex must hold.

setColorRange

public void setColorRange(int firstIndex,
                          int lastIndex,
                          int color1,
                          int color2)

DOCUMENT ME!

Parameters:

firstIndex - DOCUMENT ME!

lastIndex - DOCUMENT ME!

color1 - DOCUMENT ME!

color2 - DOCUMENT ME!

setColorRange

public void setColorRange(int firstIndex,
                          int lastIndex,
                          int color)

DOCUMENT ME!

Parameters:

firstIndex - DOCUMENT ME!

lastIndex - DOCUMENT ME!

color - DOCUMENT ME!

setColor

public void setColor(int index,
                     int color)

DOCUMENT ME!

Parameters:

index - DOCUMENT ME!

color - DOCUMENT ME!