org.apache.commons.imaging.palette

Interface Palette

All Known Implementing Classes:

QuantizedPalette, SimplePalette

public interface Palette

Color palette.

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.

Method Detail

getPaletteIndex

int getPaletteIndex(int rgb)
             throws ImageWriteException

Looks up the palette index for a given color.

Parameters:

rgb - the color to look up

Returns:

the palette index

Throws:

ImageWriteException - if it fails to read the palette index

getEntry

int getEntry(int index)

Looks up the color for a given palette index.

Parameters:

index - the palette index to look up

Returns:

the color in ARGB format

length

int length()

The number of entries in the palette.

Returns:

the number of palette entries