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org.jfree.chart.encoders

Class ImageEncoderFactory

public class ImageEncoderFactory
extends java.lang.Object
Factory class for returning ImageEncoders for different ImageFormats.
Author:
Richard Atkinson

Method Summary

static ImageEncoder
newInstance(String format)
Used to retrieve an ImageEncoder for a specific image format.
static ImageEncoder
newInstance(String format, boolean encodingAlpha)
Used to retrieve an ImageEncoder for a specific image format.
static ImageEncoder
newInstance(String format, float quality)
Used to retrieve an ImageEncoder for a specific image format.
static ImageEncoder
newInstance(String format, float quality, boolean encodingAlpha)
Used to retrieve an ImageEncoder for a specific image format.
static void
setImageEncoder(String format, String imageEncoderClassName)
Used to set additional encoders or replace default ones.

Method Details

newInstance

public static ImageEncoder newInstance(String format)
Used to retrieve an ImageEncoder for a specific image format.
Parameters:
format - The image format required.
Returns:
The ImageEncoder or null if none available.

newInstance

public static ImageEncoder newInstance(String format,
                                       boolean encodingAlpha)
Used to retrieve an ImageEncoder for a specific image format.
Parameters:
format - The image format required.
encodingAlpha - Sets whether alpha transparency should be encoded.
Returns:
The ImageEncoder or null if none available.

newInstance

public static ImageEncoder newInstance(String format,
                                       float quality)
Used to retrieve an ImageEncoder for a specific image format.
Parameters:
format - The image format required.
quality - The quality to be set before returning.
Returns:
The ImageEncoder or null if none available.

newInstance

public static ImageEncoder newInstance(String format,
                                       float quality,
                                       boolean encodingAlpha)
Used to retrieve an ImageEncoder for a specific image format.
Parameters:
format - The image format required.
quality - The quality to be set before returning.
encodingAlpha - Sets whether alpha transparency should be encoded.
Returns:
The ImageEncoder or null if none available.

setImageEncoder

public static void setImageEncoder(String format,
                                   String imageEncoderClassName)
Used to set additional encoders or replace default ones.
Parameters:
format - The image format name.
imageEncoderClassName - The name of the ImageEncoder class.

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