org.apache.batik.transcoder.image
Class JPEGTranscoder

java.lang.Object
  extended by org.apache.batik.transcoder.TranscoderSupport
      extended by org.apache.batik.transcoder.AbstractTranscoder
          extended by org.apache.batik.transcoder.XMLAbstractTranscoder
              extended by org.apache.batik.transcoder.SVGAbstractTranscoder
                  extended by org.apache.batik.transcoder.image.ImageTranscoder
                      extended by org.apache.batik.transcoder.image.JPEGTranscoder
All Implemented Interfaces:
Transcoder

public class JPEGTranscoder
extends ImageTranscoder

This class is an ImageTranscoder that produces a JPEG image.


Nested Class Summary
 
Nested classes/interfaces inherited from class org.apache.batik.transcoder.SVGAbstractTranscoder
SVGAbstractTranscoder.SVGAbstractTranscoderUserAgent
 
Field Summary
static 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_SNAPSHOT_TIME, 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
 BufferedImage createImage(int width, int height)
          Creates a new ARGB image with the specified dimension.
 void writeImage(BufferedImage img, TranscoderOutput output)
          Writes the specified image to the specified output.
 
Methods inherited from class org.apache.batik.transcoder.image.ImageTranscoder
createRenderer, forceTransparentWhite, transcode
 
Methods inherited from class org.apache.batik.transcoder.SVGAbstractTranscoder
createBridgeContext, createBridgeContext, 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 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 BufferedImage createImage(int width,
                                 int height)
Creates a new ARGB image with the specified dimension.

Specified by:
createImage in class ImageTranscoder
Parameters:
width - the image width in pixels
height - the image height in pixels

writeImage

public void writeImage(BufferedImage img,
                       TranscoderOutput output)
                throws TranscoderException
Writes the specified image to the specified output.

Specified by:
writeImage in class ImageTranscoder
Parameters:
img - the image to write
output - the output where to store the image
Throws:
TranscoderException - if an error occured while storing the image


Copyright © 2008 Apache Software Foundation. All Rights Reserved.