Class PngHuffmanTables

java.lang.Object

org.eclipse.swt.internal.image.PngHuffmanTables

public class PngHuffmanTables
extends Object

Field Summary

Fields

Modifier and Type	Field	Description
(package private) PngHuffmanTable	distanceTable
(package private) static final int	DistanceTableSize
(package private) static final int[]	FixedDistanceLengths
(package private) static PngHuffmanTable	FixedDistanceTable
(package private) static final int[]	FixedLiteralLengths
(package private) static PngHuffmanTable	FixedLiteralTable
(package private) static final int[]	LengthCodeOrder
(package private) static final int	LengthCodeTableSize
(package private) PngHuffmanTable	literalTable
(package private) static final int	LiteralTableSize

Constructor Summary

Constructors

Modifier	Constructor	Description
private	PngHuffmanTables()
private	PngHuffmanTables(PngDecodingDataStream stream)

Method Summary

Modifier and Type	Method	Description
(package private) static PngHuffmanTables	getDynamicTables(PngDecodingDataStream stream)
private PngHuffmanTable	getFixedDistanceTable()
private PngHuffmanTable	getFixedLiteralTable()
(package private) static PngHuffmanTables	getFixedTables()
(package private) int	getNextDistanceValue(PngDecodingDataStream stream)
(package private) int	getNextLiteralValue(PngDecodingDataStream stream)
private int[]	readLengths(PngDecodingDataStream stream, int numLengths, PngHuffmanTable lengthsTable, int tableSize)

Methods inherited from class Object

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

Field Details

literalTable

PngHuffmanTable literalTable

distanceTable

PngHuffmanTable distanceTable

FixedLiteralTable

static PngHuffmanTable FixedLiteralTable

FixedDistanceTable

static PngHuffmanTable FixedDistanceTable

LiteralTableSize

static final int LiteralTableSize

See Also:

• Constant Field Values

FixedLiteralLengths

static final int[] FixedLiteralLengths

DistanceTableSize

static final int DistanceTableSize

See Also:

• Constant Field Values

FixedDistanceLengths

static final int[] FixedDistanceLengths

LengthCodeTableSize

static final int LengthCodeTableSize

See Also:

• Constant Field Values

LengthCodeOrder

static final int[] LengthCodeOrder

Constructor Details

PngHuffmanTables

private PngHuffmanTables()

PngHuffmanTables

private PngHuffmanTables(PngDecodingDataStream stream)
                  throws IOException

Throws:

IOException

Method Details

getDynamicTables

static PngHuffmanTables getDynamicTables(PngDecodingDataStream stream)
                                  throws IOException

Throws:

IOException

getFixedTables

static PngHuffmanTables getFixedTables()

getFixedLiteralTable

private PngHuffmanTable getFixedLiteralTable()

getFixedDistanceTable

private PngHuffmanTable getFixedDistanceTable()

readLengths

private int[] readLengths(PngDecodingDataStream stream,
 int numLengths,
 PngHuffmanTable lengthsTable,
 int tableSize)
                   throws IOException

Throws:

IOException

getNextLiteralValue

int getNextLiteralValue(PngDecodingDataStream stream)
                 throws IOException

Throws:

IOException

getNextDistanceValue

int getNextDistanceValue(PngDecodingDataStream stream)
                  throws IOException

Throws:

IOException