Package net.sourceforge.jiu.codecs.jpeg
Class JPEGHuffmanTable
- java.lang.Object
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- net.sourceforge.jiu.codecs.jpeg.JPEGHuffmanTable
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public class JPEGHuffmanTable extends Object
Data class that stores a single Huffman table, including class (AC or DC), ID and codes for the 16 possible bit lengths from 1 to 16.- Since:
- 0.13.0
- Author:
- Marco Schmidt
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Field Summary
Fields Modifier and Type Field Description private int
classAcDc
private int[][]
codes
private int[]
huffCode
private int[]
huffSize
private int
id
private int
lastK
static int
TABLE_CLASS_AC
static int
TABLE_CLASS_DC
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Constructor Summary
Constructors Constructor Description JPEGHuffmanTable()
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Method Summary
All Methods Instance Methods Concrete Methods Modifier and Type Method Description void
createDecoderTables()
private void
generateCodeTable()
Initialize huffCode from huffSize.private void
generateSizeTable()
Initialize huffSize and lastK from codes.int
getClassAcDc()
int[][]
getCodes()
int
getId()
void
setClassAcDc(int i)
void
setCodes(int[][] is)
void
setId(int i)
String
toString()
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Field Detail
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TABLE_CLASS_AC
public static final int TABLE_CLASS_AC
- See Also:
- Constant Field Values
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TABLE_CLASS_DC
public static final int TABLE_CLASS_DC
- See Also:
- Constant Field Values
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id
private int id
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classAcDc
private int classAcDc
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codes
private int[][] codes
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huffCode
private int[] huffCode
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huffSize
private int[] huffSize
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lastK
private int lastK
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Method Detail
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createDecoderTables
public void createDecoderTables()
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generateCodeTable
private void generateCodeTable()
Initialize huffCode from huffSize. P&M figure C.2, p. 406f.
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generateSizeTable
private void generateSizeTable()
Initialize huffSize and lastK from codes. P&M figure C.1, p. 405f.
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getClassAcDc
public int getClassAcDc()
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getCodes
public int[][] getCodes()
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getId
public int getId()
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setClassAcDc
public void setClassAcDc(int i)
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setCodes
public void setCodes(int[][] is)
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setId
public void setId(int i)
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