org.apache.commons.imaging.palette

Class QuantizedPalette

java.lang.Object

org.apache.commons.imaging.palette.QuantizedPalette

All Implemented Interfaces:

Palette

public class QuantizedPalette
extends java.lang.Object
implements Palette

Constructor Summary

Constructors

Constructor and Description
QuantizedPalette(java.util.List<org.apache.commons.imaging.palette.ColorSpaceSubset> subsets, int precision)

Method Summary

Modifier and Type	Method and Description
int	getEntry(int index) Looks up the color for a given palette index.
int	getPaletteIndex(int rgb) Looks up the palette index for a given color.
int	length() The number of entries in the palette.

Methods inherited from class java.lang.Object

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

Constructor Detail

QuantizedPalette

public QuantizedPalette(java.util.List<org.apache.commons.imaging.palette.ColorSpaceSubset> subsets,
                        int precision)

Method Detail

getPaletteIndex

public int getPaletteIndex(int rgb)
                    throws ImageWriteException

Description copied from interface: Palette

Looks up the palette index for a given color.

Specified by:

getPaletteIndex in interface Palette

Parameters:

rgb - the color to look up

Returns:

the palette index

Throws:

ImageWriteException

getEntry

public int getEntry(int index)

Description copied from interface: Palette

Looks up the color for a given palette index.

Specified by:

getEntry in interface Palette

Parameters:

index - the palette index to look up

Returns:

the color in ARGB format

length

public int length()

Description copied from interface: Palette

The number of entries in the palette.

Specified by:

length in interface Palette

Returns:

the number of palette entries