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org.apache.batik.transcoder.image
Class JPEGTranscoder  

java.lang.Object
  org.apache.batik.transcoder.TranscoderSupport
      org.apache.batik.transcoder.AbstractTranscoder
          org.apache.batik.transcoder.XMLAbstractTranscoder
              org.apache.batik.transcoder.SVGAbstractTranscoder
                  org.apache.batik.transcoder.image.ImageTranscoder
                      org.apache.batik.transcoder.image.JPEGTranscoder

All Implemented Interfaces:

org.apache.batik.transcoder.Transcoder

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public class JPEGTranscoder

extends ImageTranscoder

This class is an ImageTranscoder that produces a JPEG image.

Version:

$Id: JPEGTranscoder.java,v 1.11 2005/03/27 08:58:36 cam Exp $

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Nested Class Summary
private static class	JPEGTranscoder.OutputStreamWrapper           This class will never throw an IOException, instead it eats them and then ignores any future calls to it's interface.
private static class	JPEGTranscoder.QualityKey           A transcoding Key represented the JPEG image quality.

 

Nested classes inherited from class org.apache.batik.transcoder.SVGAbstractTranscoder

org.apache.batik.transcoder.SVGAbstractTranscoder.SVGAbstractTranscoderUserAgent

 

Field Summary
static org.apache.batik.transcoder.TranscodingHints.Key	KEY_QUALITY           The encoder quality factor key.

 

Fields inherited from class org.apache.batik.transcoder.image.ImageTranscoder

KEY_BACKGROUND_COLOR, KEY_FORCE_TRANSPARENT_WHITE

 

Fields inherited from class org.apache.batik.transcoder.SVGAbstractTranscoder

builder, ctx, curAOI, curTxf, DEFAULT_ALLOWED_SCRIPT_TYPES, DEFAULT_DEFAULT_FONT_FAMILY, height, KEY_ALLOWED_SCRIPT_TYPES, KEY_ALTERNATE_STYLESHEET, KEY_AOI, KEY_CONSTRAIN_SCRIPT_ORIGIN, KEY_DEFAULT_FONT_FAMILY, KEY_EXECUTE_ONLOAD, KEY_HEIGHT, KEY_LANGUAGE, KEY_MAX_HEIGHT, KEY_MAX_WIDTH, KEY_MEDIA, KEY_PIXEL_TO_MM, KEY_PIXEL_UNIT_TO_MILLIMETER, KEY_USER_STYLESHEET_URI, KEY_WIDTH, root, userAgent, width

 

Fields inherited from class org.apache.batik.transcoder.XMLAbstractTranscoder

KEY_DOCUMENT_ELEMENT, KEY_DOCUMENT_ELEMENT_NAMESPACE_URI, KEY_DOM_IMPLEMENTATION, KEY_XML_PARSER_CLASSNAME, KEY_XML_PARSER_VALIDATING

 

Fields inherited from class org.apache.batik.transcoder.TranscoderSupport

handler, hints

 

Constructor Summary

JPEGTranscoder()           Constructs a new transcoder that produces jpeg images.

 

Method Summary
java.awt.image.BufferedImage	createImage(int width, int height)           Creates a new ARGB image with the specified dimension.
void	writeImage(java.awt.image.BufferedImage img, org.apache.batik.transcoder.TranscoderOutput output)           Writes the specified image to the specified output.

 

Methods inherited from class org.apache.batik.transcoder.image.ImageTranscoder

transcode

 

Methods inherited from class org.apache.batik.transcoder.SVGAbstractTranscoder

createBridgeContext, createDocumentFactory, createUserAgent, getCanvasGraphicsNode, setImageSize, transcode

 

Methods inherited from class org.apache.batik.transcoder.TranscoderSupport

addTranscodingHint, getErrorHandler, getTranscodingHints, removeTranscodingHint, setErrorHandler, setTranscodingHints, setTranscodingHints

 

Methods inherited from class java.lang.Object

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

 

Methods inherited from interface org.apache.batik.transcoder.Transcoder

addTranscodingHint, getErrorHandler, getTranscodingHints, removeTranscodingHint, setErrorHandler, setTranscodingHints, setTranscodingHints

 

Field Detail

KEY_QUALITY

public static final org.apache.batik.transcoder.TranscodingHints.Key KEY_QUALITY

The encoder quality factor key.

Key:	KEY_QUALITY
Value:	Float (between 0 and 1)
Default:	1 (no lossy)
Required:	Recommended
Description:	Specify the JPEG image encoding quality.

Constructor Detail

JPEGTranscoder

public JPEGTranscoder()

Constructs a new transcoder that produces jpeg images.

Method Detail

createImage

public java.awt.image.BufferedImage createImage(int width,
                                                int height)

Creates a new ARGB image with the specified dimension.

Specified by:

createImage in class ImageTranscoder

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writeImage

public void writeImage(java.awt.image.BufferedImage img,
                       org.apache.batik.transcoder.TranscoderOutput output)
                throws org.apache.batik.transcoder.TranscoderException

Writes the specified image to the specified output.

Specified by:

writeImage in class ImageTranscoder

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