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Class picture.JpegEncoder 

java.lang.Object
   |
   +----picture.ImageEncoder
           |
           +----picture.JpegEncoder
public class JpegEncoder
extends ImageEncoder
Write out an image as a JPEG. DOESN'T WORK YET.

Fetch the software.
Fetch the entire Acme package.

See Also:
ToJpeg

Variable Index

o height
o jfifHuff100Header
o jfifNoHuff100Header
o qfactor
o rgbPixels
o width

Constructor Index

o JpegEncoder(Image, OutputStream)
o JpegEncoder(ImageProducer, OutputStream)

Method Index

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 setQfactor(int)
o writeJfifHuffHeader()
o writeJfifNoHuffHeader()

Variables

o qfactor 
 int qfactor
o width 
 int width
o height 
 int height
o rgbPixels 
 int rgbPixels[][]
o jfifHuff100Header 
 private static byte jfifHuff100Header[]
o jfifNoHuff100Header 
 private static byte jfifNoHuff100Header[]

Constructors

o JpegEncoder 
 public JpegEncoder(Image img,
                    OutputStream out) throws IOException
o JpegEncoder 
 public JpegEncoder(ImageProducer prod,
                    OutputStream out) throws IOException

Methods

o setQfactor 
 public void setQfactor(int qfactor)
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 writeJfifHuffHeader 
 private void writeJfifHuffHeader() throws IOException
o writeJfifNoHuffHeader 
 private void writeJfifNoHuffHeader() throws IOException

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