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Class picture.GifEncoder 

java.lang.Object
   |
   +----picture.ImageEncoder
           |
           +----picture.GifEncoder
public class GifEncoder
extends ImageEncoder
Write out an image as a GIF.

Fetch the software.
Fetch the entire Acme package.

See Also:
ToGif

Variable Index

o a_count
o accum
o BITS
o clear_flg
o ClearCode
o codetab
o colorHash
o CountDown
o cur_accum
o cur_bits
o curx
o cury
o EOF
o EOFCode
o free_ent
o g_init_bits
o Height
o height
o hsize
o HSIZE
o htab
o Interlace
o interlace
o masks
o maxbits
o maxcode
o maxmaxcode
o n_bits
o Pass
o rgbPixels
o width
o Width

Constructor Index

o GifEncoder(Image, OutputStream)
Constructor from Image.
o GifEncoder(Image, OutputStream, boolean)
Constructor from Image with interlace setting.
o GifEncoder(ImageProducer, OutputStream)
Constructor from ImageProducer.
o GifEncoder(ImageProducer, OutputStream, boolean)
Constructor from ImageProducer with interlace setting.

Method Index

o BumpPixel()
o char_init()
o char_out(byte, OutputStream)
o cl_block(OutputStream)
o cl_hash(int)
o compress(int, OutputStream)
o encodeDone()
Subclasses implement this to finish an encoding.
o encodePixels(int, int, int, int, int[], int, int)
Subclasses implement this to actually write out some bits.
o encodeStart(int, int)
Subclasses implement this to initialize an encoding.
o flush_char(OutputStream)
o GetPixel(int, int)
o GIFEncode(OutputStream, int, int, boolean, byte, int, int, byte[], byte[], byte[])
o GIFNextPixel()
o MAXCODE(int)
o output(int, OutputStream)
o Putbyte(byte, OutputStream)
o Putword(int, OutputStream)
o writeString(OutputStream, String)

Variables

o interlace 
 private boolean interlace
o width 
 int width
o height 
 int height
o rgbPixels 
 int rgbPixels[][]
o colorHash 
 IntHashtable colorHash
o Width 
 int Width
o Height 
 int Height
o Interlace 
 boolean Interlace
o curx 
 int curx
o cury 
 int cury
o CountDown 
 int CountDown
o Pass 
 int Pass
o EOF 
 static final int EOF
o BITS 
 static final int BITS
o HSIZE 
 static final int HSIZE
o n_bits 
 int n_bits
o maxbits 
 int maxbits
o maxcode 
 int maxcode
o maxmaxcode 
 int maxmaxcode
o htab 
 int htab[]
o codetab 
 int codetab[]
o hsize 
 int hsize
o free_ent 
 int free_ent
o clear_flg 
 boolean clear_flg
o g_init_bits 
 int g_init_bits
o ClearCode 
 int ClearCode
o EOFCode 
 int EOFCode
o cur_accum 
 int cur_accum
o cur_bits 
 int cur_bits
o masks 
 int masks[]
o a_count 
 int a_count
o accum 
 byte accum[]

Constructors

o GifEncoder 
 public GifEncoder(Image img,
                   OutputStream out) throws IOException
Constructor from Image.

Parameters:
img - The image to encode.
out - The stream to write the GIF to.
o GifEncoder 
 public GifEncoder(Image img,
                   OutputStream out,
                   boolean interlace) throws IOException
Constructor from Image with interlace setting.

Parameters:
img - The image to encode.
out - The stream to write the GIF to.
interlace - Whether to interlace.
o GifEncoder 
 public GifEncoder(ImageProducer prod,
                   OutputStream out) throws IOException
Constructor from ImageProducer.

Parameters:
prod - The ImageProducer to encode.
out - The stream to write the GIF to.
o GifEncoder 
 public GifEncoder(ImageProducer prod,
                   OutputStream out,
                   boolean interlace) throws IOException
Constructor from ImageProducer with interlace setting.

Parameters:
prod - The ImageProducer to encode.
out - The stream to write the GIF to.

Methods

o encodeStart 
 void encodeStart(int width,
                  int height) throws IOException
Subclasses implement this to initialize an encoding.

Overrides:
encodeStart in class ImageEncoder
o encodePixels 
 void encodePixels(int x,
                   int y,
                   int w,
                   int h,
                   int rgbPixels[],
                   int off,
                   int scansize) throws IOException
Subclasses implement this to actually write out some bits.

Overrides:
encodePixels in class ImageEncoder
o encodeDone 
 void encodeDone() throws IOException
Subclasses implement this to finish an encoding.

Overrides:
encodeDone in class ImageEncoder
o GetPixel 
 byte GetPixel(int x,
               int y) throws IOException
o writeString 
 static void writeString(OutputStream out,
                         String str) throws IOException
o GIFEncode 
 void GIFEncode(OutputStream outs,
                int Width,
                int Height,
                boolean Interlace,
                byte Background,
                int Transparent,
                int BitsPerPixel,
                byte Red[],
                byte Green[],
                byte Blue[]) throws IOException
o BumpPixel 
 void BumpPixel()
o GIFNextPixel 
 int GIFNextPixel() throws IOException
o Putword 
 void Putword(int w,
              OutputStream outs) throws IOException
o Putbyte 
 void Putbyte(byte b,
              OutputStream outs) throws IOException
o MAXCODE 
 final int MAXCODE(int n_bits)
o compress 
 void compress(int init_bits,
               OutputStream outs) throws IOException
o output 
 void output(int code,
             OutputStream outs) throws IOException
o cl_block 
 void cl_block(OutputStream outs) throws IOException
o cl_hash 
 void cl_hash(int hsize)
o char_init 
 void char_init()
o char_out 
 void char_out(byte c,
               OutputStream outs) throws IOException
o flush_char 
 void flush_char(OutputStream outs) throws IOException

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