Package ij

Class LookUpTable

java.lang.Object

ij.LookUpTable

public class LookUpTable
extends Object

This class represents a color look-up table.

Constructor Summary

Constructors

Constructor	Description
LookUpTable(Image img)	Constructs a LookUpTable object from an AWT Image.
LookUpTable(ColorModel cm)	Constructs a LookUpTable object from a ColorModel.

Method Summary

Modifier and Type	Method	Description
static ColorModel	createGrayscaleColorModel(boolean invert)
void	drawColorBar(Graphics g, int x, int y, int width, int height)
void	drawUnscaledColorBar(ImageProcessor ip, int x, int y, int width, int height)
byte[]	getBlues()
ColorModel	getColorModel()
byte[]	getGreens()
int	getMapSize()
byte[]	getReds()
boolean	isGrayscale()	Returns true if this is a 256 entry grayscale LUT.

Methods inherited from class java.lang.Object

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

Constructor Detail

LookUpTable

public LookUpTable(Image img)

Constructs a LookUpTable object from an AWT Image.

LookUpTable

public LookUpTable(ColorModel cm)

Constructs a LookUpTable object from a ColorModel.

Method Detail

getMapSize

public int getMapSize()

getReds

public byte[] getReds()

getGreens

public byte[] getGreens()

getBlues

public byte[] getBlues()

getColorModel

public ColorModel getColorModel()

isGrayscale

public boolean isGrayscale()

Returns true if this is a 256 entry grayscale LUT.

See Also:

ImageProcessor.isColorLut()

drawColorBar

public void drawColorBar(Graphics g,
                         int x,
                         int y,
                         int width,
                         int height)

drawUnscaledColorBar

public void drawUnscaledColorBar(ImageProcessor ip,
                                 int x,
                                 int y,
                                 int width,
                                 int height)

createGrayscaleColorModel

public static ColorModel createGrayscaleColorModel(boolean invert)