lt.monarch.image.jpeg
Class JPEGEncoder

java.lang.Object
  lt.monarch.image.AbstractEncoder
      lt.monarch.image.jpeg.JPEGEncoder

All Implemented Interfaces:

java.io.Serializable

public class JPEGEncoder
extends AbstractEncoder

See Also:

Serialized Form

Field Summary

Modifier and Type	Field and Description

Fields inherited from class lt.monarch.image.AbstractEncoder

image

Constructor and Description

JPEGEncoder()

Method Summary

Modifier and Type	Method and Description
void	encode(java.awt.Image _image, java.io.OutputStream outputStream) Encodes a BufferedImage as a JPEG data stream.
java.lang.String	getContentType() Returns content type string - 'jpeg'
void	setPhysicalDimension(int xPixelsPerInch, int yPixelsPerInch) Sets DPI (dots per inch) of resulting image.
void	setQuality(float quality) This method simply wraps the JPEGCodec.setQuality call.

Methods inherited from class lt.monarch.image.AbstractEncoder

readObject, writeObject

Methods inherited from class java.lang.Object

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

Constructor Detail

JPEGEncoder

public JPEGEncoder()

Method Detail

getContentType

public java.lang.String getContentType()

Returns content type string - 'jpeg'

Specified by:

getContentType in class AbstractEncoder

Returns:

content type string

setQuality

public void setQuality(float quality)

This method simply wraps the JPEGCodec.setQuality call.

Parameters:

quality - - image quality value, in range [0..1]. Some guidelines: 0.75 high quality 0.5 medium quality 0.25 low quality

encode

public void encode(java.awt.Image _image,
                   java.io.OutputStream outputStream)
            throws java.io.IOException,
                   java.lang.InterruptedException

Encodes a BufferedImage as a JPEG data stream.

Specified by:

encode in class AbstractEncoder

Parameters:

_image -

outputStream -

Throws:

java.io.IOException - if an I/O error occurs. In particular, an IOException may be thrown if the output stream has been closed.

java.lang.InterruptedException

setPhysicalDimension

public void setPhysicalDimension(int xPixelsPerInch,
                                 int yPixelsPerInch)

Sets DPI (dots per inch) of resulting image.

Parameters:

xPixelsPerInch - number of pixels per inch (horizontal dimension)

yPixelsPerInch - number of pixels per inch (vertical dimension)