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non_com.media.jai.codec
Class GIFImage  

java.lang.Object
  non_com.media.jai.codec.SimpleRenderedImage
      non_com.media.jai.codec.GIFImage

All Implemented Interfaces:

java.awt.image.RenderedImage

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class GIFImage

extends SimpleRenderedImage

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Field Summary
private  int	bitPos
private  byte[]	block
private  int	blockLength
private  int	clearCode
private  int	eofCode
private  int	initCodeSize
private  SeekableStream	input
private static int[]	INTERLACE_INCREMENT
private static int[]	INTERLACE_OFFSET
private  boolean	interlaceFlag
private  int	interlacePass
private  boolean	lastBlockFound
private  int	next32Bits
private  int	nextByte
private  java.awt.image.WritableRaster	theTile

 

Fields inherited from class non_com.media.jai.codec.SimpleRenderedImage

colorModel, height, minX, minY, properties, sampleModel, sources, tileGridXOffset, tileGridYOffset, tileHeight, tileWidth, width

 

Constructor Summary
(package private)	GIFImage(SeekableStream input, byte[] globalColorTable)           Create a new GIFImage.

 

Method Summary
private  int	getCode(int codeSize, int codeMask)
java.awt.image.Raster	getTile(int tileX, int tileY)           Gets the Tile attribute of the GIFImage object
private  void	initializeStringTable(int[] prefix, byte[] suffix, byte[] initial, int[] length)
private  void	initNext32Bits()
private  java.awt.Point	outputPixels(byte[] string, int len, java.awt.Point streamPos, byte[] rowBuf)
private  void	skipBlocks()

 

Methods inherited from class non_com.media.jai.codec.SimpleRenderedImage

copyData, getBounds, getColorModel, getData, getData, getHeight, getMaxTileX, getMaxTileY, getMaxX, getMaxY, getMinTileX, getMinTileY, getMinX, getMinY, getNumXTiles, getNumYTiles, getProperty, getPropertyNames, getPropertyNames, getSampleModel, getSources, getTileGridXOffset, getTileGridYOffset, getTileHeight, getTileWidth, getWidth, tileXToX, tileXToX, tileYToY, tileYToY, XToTileX, XToTileX, YToTileY, YToTileY

 

Methods inherited from class java.lang.Object

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

 

Field Detail

INTERLACE_INCREMENT

private static final int[] INTERLACE_INCREMENT

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INTERLACE_OFFSET

private static final int[] INTERLACE_OFFSET

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input

private SeekableStream input

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interlaceFlag

private boolean interlaceFlag

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block

private byte[] block

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blockLength

private int blockLength

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bitPos

private int bitPos

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nextByte

private int nextByte

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initCodeSize

private int initCodeSize

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clearCode

private int clearCode

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eofCode

private int eofCode

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next32Bits

private int next32Bits

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lastBlockFound

private boolean lastBlockFound

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interlacePass

private int interlacePass

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theTile

private java.awt.image.WritableRaster theTile

Constructor Detail

GIFImage

GIFImage(SeekableStream input,
         byte[] globalColorTable)
   throws java.io.IOException

Create a new GIFImage. The input stream must be positioned at the start of the image, i.e., not at the start of the overall stream.

Method Detail

getTile

public java.awt.image.Raster getTile(int tileX,
                                     int tileY)

Gets the Tile attribute of the GIFImage object

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getCode

private int getCode(int codeSize,
                    int codeMask)
             throws java.io.IOException

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skipBlocks

private void skipBlocks()
                 throws java.io.IOException

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initNext32Bits

private void initNext32Bits()

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initializeStringTable

private void initializeStringTable(int[] prefix,
                                   byte[] suffix,
                                   byte[] initial,
                                   int[] length)

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outputPixels

private java.awt.Point outputPixels(byte[] string,
                                    int len,
                                    java.awt.Point streamPos,
                                    byte[] rowBuf)

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Overview  Package   Class  Use  Deprecated  Index
Home >> All >> non_com >> media >> jai >> [ codec overview ]	PREV CLASS  NEXT CLASS
SUMMARY:  JAVADOC |  SOURCE |  DOWNLOAD | NESTED | FIELD | CONSTR | METHOD	DETAIL: FIELD | CONSTR | METHOD

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