de.unihalle.informatik.MiToBo.visualization.drawing

Class DynamicColorLUT

java.lang.Object

de.unihalle.informatik.MiToBo.visualization.drawing.DynamicColorLUT

public class DynamicColorLUT
extends Object

A color lookup table that generates colors dynamically and randomly for indices that do not exist.

Author:

Oliver Gress

Field Summary

Fields

Modifier and Type	Field and Description
private int	coffset
private HashMap<Integer,Integer>	colors
private Random	rand

Constructor Summary

Constructors

Constructor and Description
DynamicColorLUT() Constructor with a (seeded) random generator and channel offset = 20.
DynamicColorLUT(Random rand) Constructor for a specific random generator and channel offset = 20..
DynamicColorLUT(Random rand, int channeloffset) Constructor for a specific random generator and a given channel offset

Method Summary

Modifier and Type	Method and Description
int	getColor(int key) Get the color for a given key.
void	setColor(int key, int color) Set the color for given key.

Methods inherited from class java.lang.Object

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

Field Detail

rand

private Random rand

colors

private HashMap<Integer,Integer> colors

coffset

private int coffset

Constructor Detail

DynamicColorLUT

public DynamicColorLUT()

Constructor with a (seeded) random generator and channel offset = 20.

DynamicColorLUT

public DynamicColorLUT(Random rand)

Constructor for a specific random generator and channel offset = 20..

DynamicColorLUT

public DynamicColorLUT(Random rand,
                       int channeloffset)

Constructor for a specific random generator and a given channel offset

Parameters:

rand - random generator

channeloffset - the minimum value of R, G and B

Method Detail

setColor

public void setColor(int key,
                     int color)

Set the color for given key.

getColor

public int getColor(int key)

Get the color for a given key. Generates a random color if key is not present.

Parameters:

key - lookup table key (or index)

Returns:

color coded into an integer (lowest byte: blue, second-lowest byte: green, third-lowest byte: red)