JPEGHuffmanTable (Other API Bundled with the Java 2 SDK) - Java 2 SDK v1.4.2, Java 2 SDK 英文文档

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com.sun.image.codec.jpeg
Class JPEGHuffmanTable

java.lang.Object
  com.sun.image.codec.jpeg.JPEGHuffmanTable

public class JPEGHuffmanTable
extends Object

A class to encapsulate a JPEG Huffman table.

Note that the classes in the com.sun.image.codec.jpeg package are not part of the core Java APIs. They are a part of Sun's JDK and JRE distributions. Although other licensees may choose to distribute these classes, developers cannot depend on their availability in non-Sun implementations. We expect that equivalent functionality will eventually be available in a core API or standard extension.

Field Summary

static JPEGHuffmanTable StdACChrominance
          Standard Huffman table ( JPEG standard section K.3 )

static JPEGHuffmanTable StdACLuminance
          Standard Huffman table ( JPEG standard section K.3 )

static JPEGHuffmanTable StdDCChrominance
          Standard Huffman table ( JPEG standard section K.3 )

static JPEGHuffmanTable StdDCLuminance
          Standard Huffman table ( JPEG standard section K.3 )

Constructor Summary

JPEGHuffmanTable(short[] lengths, short[] symbols)
          Creates a Huffman Table and initializes it.

Method Summary

short[] getLengths()
          Return a copy of the array containing the number of symbols for each length in the Huffman table.

short[] getSymbols()
          Return an array containing the Huffman symbols arranged by increasing length.

Methods inherited from class java.lang.Object

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

Field Detail

StdDCLuminance

public static final JPEGHuffmanTable StdDCLuminance

Standard Huffman table ( JPEG standard section K.3 )

StdDCChrominance

public static final JPEGHuffmanTable StdDCChrominance

Standard Huffman table ( JPEG standard section K.3 )

StdACLuminance

public static final JPEGHuffmanTable StdACLuminance

Standard Huffman table ( JPEG standard section K.3 )

StdACChrominance

public static final JPEGHuffmanTable StdACChrominance

Standard Huffman table ( JPEG standard section K.3 )

Constructor Detail