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:

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

Fields

Modifier and Type	Field and Description
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_ALLOW_EXTERNAL_RESOURCES, 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

Constructors

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

Method Summary

Modifier and Type	Method and Description
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, 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:	0.75 (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

Parameters:

width - the image width in pixels

height - the image height in pixels

writeImage

public void writeImage(java.awt.image.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