Package com.twelvemonkeys.imageio.plugins.jpeg

Class QuantizationTable

java.lang.Object

com.twelvemonkeys.imageio.plugins.jpeg.Segment

com.twelvemonkeys.imageio.plugins.jpeg.QuantizationTable

final class QuantizationTable
extends Segment

Field Summary

Fields

Modifier and Type	Field	Description
private int[]	precision
private int[][]	quantTables
private boolean[]	tq
private static int[]	ZIGZAG

Fields inherited from class com.twelvemonkeys.imageio.plugins.jpeg.Segment

marker

Constructor Summary

Constructors

Constructor	Description
QuantizationTable()

Method Summary

Modifier and Type	Method	Description
private void	enhanceQuantizationTable(int[] qtab, int[] table)
(package private) void	enhanceTables()
boolean	isPresent(int tabelId)
(package private) int	precision(int tableId)
(package private) int[]	qTable(int tabelId)
static QuantizationTable	read(java.io.DataInput data, int length)
(package private) javax.imageio.plugins.jpeg.JPEGQTable	toNativeTable(int tableId)
java.lang.String	toString()

Methods inherited from class com.twelvemonkeys.imageio.plugins.jpeg.Segment

read

Methods inherited from class java.lang.Object

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

Field Detail

ZIGZAG

private static final int[] ZIGZAG

precision

private final int[] precision

tq

private final boolean[] tq

quantTables

private final int[][] quantTables

Constructor Detail

QuantizationTable

QuantizationTable()

Method Detail

enhanceTables

void enhanceTables()

enhanceQuantizationTable

private void enhanceQuantizationTable(int[] qtab,
                                      int[] table)

toString

public java.lang.String toString()

Overrides:

toString in class java.lang.Object

read

public static QuantizationTable read(java.io.DataInput data,
                                     int length)
                              throws java.io.IOException

Throws:

java.io.IOException

isPresent

public boolean isPresent(int tabelId)

precision

int precision(int tableId)

qTable

int[] qTable(int tabelId)

toNativeTable

javax.imageio.plugins.jpeg.JPEGQTable toNativeTable(int tableId)