Modifier and Type	Class and Description
protected class	PaletteBuilder.ColorNode The node of color tree.

Modifier and Type	Field and Description
protected int	currLevel
protected int	currSize
protected static final int	MAXLEVEL maximum of tree depth
protected int	maxNodes
protected int	numNodes
protected PaletteBuilder.ColorNode[]	palette
protected PaletteBuilder.ColorNode[]	reduceList
protected int	requiredSize
protected PaletteBuilder.ColorNode	root
protected RenderedImage	src
protected ColorModel	srcColorModel
protected Raster	srcRaster
protected PaletteBuilder.ColorNode	transColor
protected int	transparency

Access	Constructor and Description
protected	PaletteBuilder(RenderedImage src)
protected	PaletteBuilder(RenderedImage src, int size)

Method Summary

Modifier and Type	Method and Description
protected void	buildPalette()
public static boolean	Returns: `true` if the `PaletteBuilder` is likely to be able to create palette for this image type. canCreatePalette(ImageTypeSpecifier an instance of `ImageTypeSpecifier` to be indexed. type) Returns `true` if PaletteBuilder is able to create palette for given image type.
public static boolean	Returns: `true` if the `PaletteBuilder` is likely to be able to create palette for this image type. canCreatePalette(RenderedImage an instance of `RenderedImage` to be indexed. image) Returns `true` if PaletteBuilder is able to create palette for given rendered image.
public static IndexColorModel	createIndexColorModel(RenderedImage img) Creates an palette representing colors from given image `img`.
public static RenderedImage	createIndexedImage(RenderedImage src) Creates an image representing given image `src` using `IndexColorModel`.
protected int	findColorIndex(PaletteBuilder.ColorNode aNode, Color aColor)
protected int	findPaletteEntry(PaletteBuilder.ColorNode aNode, int index, byte[] red, byte[] green, byte[] blue)
protected PaletteBuilder.ColorNode	freeTree(PaletteBuilder.ColorNode aNode)
protected int	getBranchIndex(Color aColor, int aLevel)
protected IndexColorModel	getIndexColorModel()
protected RenderedImage	getIndexedImage()
private Color	getSrcColor(int x, int y)
protected PaletteBuilder.ColorNode	insertNode(PaletteBuilder.ColorNode aNode, Color aColor, int aLevel)
protected void	reduceTree()

Inherited from java.lang.Object:: clone equals finalize getClass hashCode notify notifyAll toString wait wait wait

Field Detail

currLevel	back to summary
protected int currLevel

currSize	back to summary
protected int currSize

MAXLEVEL	back to summary
protected static final int MAXLEVEL maximum of tree depth

maxNodes	back to summary
protected int maxNodes

numNodes	back to summary
protected int numNodes

palette	back to summary
protected PaletteBuilder.ColorNode[] palette

reduceList	back to summary
protected PaletteBuilder.ColorNode[] reduceList

requiredSize	back to summary
protected int requiredSize

root	back to summary
protected PaletteBuilder.ColorNode root

src	back to summary
protected RenderedImage src

srcColorModel	back to summary
protected ColorModel srcColorModel

srcRaster	back to summary
protected Raster srcRaster

transColor	back to summary
protected PaletteBuilder.ColorNode transColor

transparency	back to summary
protected int transparency

Constructor Detail

PaletteBuilder	back to summary
protected PaletteBuilder(RenderedImage src)

PaletteBuilder	back to summary
protected PaletteBuilder(RenderedImage src, int size)

Method Detail

buildPalette	back to summary
protected void buildPalette()

canCreatePalette back to summary

canCreatePalette	back to summary
public static boolean canCreatePalette(ImageTypeSpecifier type) Returns `true` if PaletteBuilder is able to create palette for given image type. Parameters type:ImageTypeSpecifier an instance of `ImageTypeSpecifier` to be indexed. Returns:boolean `true` if the `PaletteBuilder` is likely to be able to create palette for this image type. Exceptions IllegalArgumentException: if `type` is `null`.

public static boolean canCreatePalette(ImageTypeSpecifier type)

Returns true if PaletteBuilder is able to create palette for given image type.

Parameters

type:ImageTypeSpecifier: an instance of ImageTypeSpecifier to be indexed.

Returns:boolean

true if the PaletteBuilder is likely to be able to create palette for this image type.

Exceptions

IllegalArgumentException:: if type is null.

canCreatePalette back to summary

canCreatePalette	back to summary
public static boolean canCreatePalette(RenderedImage image) Returns `true` if PaletteBuilder is able to create palette for given rendered image. Parameters image:RenderedImage an instance of `RenderedImage` to be indexed. Returns:boolean `true` if the `PaletteBuilder` is likely to be able to create palette for this image type. Exceptions IllegalArgumentException: if `image` is `null`.

public static boolean canCreatePalette(RenderedImage image)

Returns true if PaletteBuilder is able to create palette for given rendered image.

Parameters

image:RenderedImage: an instance of RenderedImage to be indexed.

Returns:boolean

true if the PaletteBuilder is likely to be able to create palette for this image type.

Exceptions

IllegalArgumentException:: if image is null.

createIndexColorModel back to summary

createIndexColorModel	back to summary
public static IndexColorModel createIndexColorModel(RenderedImage img) Creates an palette representing colors from given image `img`. If number of colors in the given image exceeds maximum palette size closest colors would be merged. Exceptions IllegalArgumentException: if `img` is `null`. UnsupportedOperationException: if implemented method is unable to create approximation of `img` and `canCreatePalette` returns `false`. See Also `createIndexedImage`, `canCreatePalette`

public static IndexColorModel createIndexColorModel(RenderedImage img)

Creates an palette representing colors from given image img. If number of colors in the given image exceeds maximum palette size closest colors would be merged.

Exceptions

IllegalArgumentException:: if img is null.
UnsupportedOperationException:: if implemented method is unable to create approximation of img and canCreatePalette returns false.

createIndexedImage back to summary

createIndexedImage	back to summary
public static RenderedImage createIndexedImage(RenderedImage src) Creates an image representing given image `src` using `IndexColorModel`. Lossless conversion is not always possible (e.g. if number of colors in the given image exceeds maximum palette size). Result image then is an approximation constructed by octree quantization method. Exceptions IllegalArgumentException: if `src` is `null`. UnsupportedOperationException: if implemented method is unable to create approximation of `src` and `canCreatePalette` returns `false`. See Also `createIndexColorModel`, `canCreatePalette`

public static RenderedImage createIndexedImage(RenderedImage src)

Creates an image representing given image src using IndexColorModel. Lossless conversion is not always possible (e.g. if number of colors in the given image exceeds maximum palette size). Result image then is an approximation constructed by octree quantization method.

Exceptions

IllegalArgumentException:: if src is null.
UnsupportedOperationException:: if implemented method is unable to create approximation of src and canCreatePalette returns false.

findColorIndex	back to summary
protected int findColorIndex(PaletteBuilder.ColorNode aNode, Color aColor)

findPaletteEntry	back to summary
protected int findPaletteEntry(PaletteBuilder.ColorNode aNode, int index, byte[] red, byte[] green, byte[] blue)

freeTree	back to summary
protected PaletteBuilder.ColorNode freeTree(PaletteBuilder.ColorNode aNode)

getBranchIndex	back to summary
protected int getBranchIndex(Color aColor, int aLevel)

getIndexColorModel	back to summary
protected IndexColorModel getIndexColorModel()

getIndexedImage	back to summary
protected RenderedImage getIndexedImage()

getSrcColor	back to summary
private Color getSrcColor(int x, int y)

insertNode	back to summary
protected PaletteBuilder.ColorNode insertNode(PaletteBuilder.ColorNode aNode, Color aColor, int aLevel)

reduceTree	back to summary
protected void reduceTree()

com.sun.imageio.plugins.common back to summary

protected Class PaletteBuilder.ColorNode

Class Inheritance

extends Object

java.lang.Object
com.sun.imageio.plugins.common.PaletteBuilder.ColorNode

The node of color tree.

Field Summary

Modifier and Type	Field and Description
public long	blue
public int	childCount
pack-priv PaletteBuilder.ColorNode[]	children
public int	colorCount
public long	green
public boolean	isLeaf
public int	level
pack-priv PaletteBuilder.ColorNode	nextReducible
public int	paletteIndex
public long	red

Constructor Summary

Access	Constructor and Description
public	ColorNode()

Method Summary

Modifier and Type	Method and Description
public int	getLeafChildCount()
public int	getRGB()

Inherited from java.lang.Object:: clone equals finalize getClass hashCode notify notifyAll toString wait wait wait

Field Detail

blue	back to summary
public long blue

childCount	back to summary
public int childCount

children	back to summary
pack-priv PaletteBuilder.ColorNode[] children

colorCount	back to summary
public int colorCount

green	back to summary
public long green

isLeaf	back to summary
public boolean isLeaf

level	back to summary
public int level

nextReducible	back to summary
pack-priv PaletteBuilder.ColorNode nextReducible

paletteIndex	back to summary
public int paletteIndex

red	back to summary
public long red

Constructor Detail

ColorNode	back to summary
public ColorNode()

Method Detail

getLeafChildCount	back to summary
public int getLeafChildCount()

getRGB	back to summary
public int getRGB()

public Class PaletteBuilder

Nested and Inner Type Summary

Field Summary

Constructor Summary

Method Summary

Field Detail

Constructor Detail

Method Detail

protected Class PaletteBuilder.ColorNode

Field Summary

Constructor Summary

Method Summary

Field Detail

Constructor Detail

Method Detail