Class ImageTranscoderSpi

All Implemented Interfaces:
RegisterableService
public abstract class ImageTranscoderSpi
extends IIOServiceProvider

The service provider interface (SPI) for ImageTranscoders. For more information on service provider classes, see the class comment for the IIORegistry class.

See Also:
IIORegistry, ImageTranscoder

Fields

Fields declared in class javax.imageio.spi.IIOServiceProvider

vendorName, version

Constructors

Modifier Constructor Description
protected ImageTranscoderSpi()

Constructs a blank ImageTranscoderSpi.
ImageTranscoderSpi​(String vendorName, String version)

Constructs an ImageTranscoderSpi with a given set of values.

Methods

Modifier and Type Method Description
abstract ImageTranscoder createTranscoderInstance()

Returns an instance of the ImageTranscoder implementation associated with this service provider.
abstract String getReaderServiceProviderName()

Returns the fully qualified class name of an ImageReaderSpi class that generates IIOMetadata objects that may be used as input to this transcoder.
abstract String getWriterServiceProviderName()

Returns the fully qualified class name of an ImageWriterSpi class that generates IIOMetadata objects that may be used as input to this transcoder.

Methods declared in class javax.imageio.spi.IIOServiceProvider

getDescription, getVendorName, getVersion, onDeregistration, onRegistration

Methods declared in class java.lang.Object

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

Constructors

ImageTranscoderSpi

protected ImageTranscoderSpi()

Constructs a blank ImageTranscoderSpi. It is up to the subclass to initialize instance variables and/or override method implementations in order to provide working versions of all methods.

ImageTranscoderSpi

public ImageTranscoderSpi(String vendorName,
                          String version)

Constructs an ImageTranscoderSpi with a given set of values.

Parameters:
vendorName - the vendor name.
version - a version identifier.

Methods

getReaderServiceProviderName

public abstract String getReaderServiceProviderName()

Returns the fully qualified class name of an ImageReaderSpi class that generates IIOMetadata objects that may be used as input to this transcoder.

Returns:
a String containing the fully-qualified class name of the ImageReaderSpi implementation class.
See Also:
ImageReaderSpi

getWriterServiceProviderName

public abstract String getWriterServiceProviderName()

Returns the fully qualified class name of an ImageWriterSpi class that generates IIOMetadata objects that may be used as input to this transcoder.

Returns:
a String containing the fully-qualified class name of the ImageWriterSpi implementation class.
See Also:
ImageWriterSpi

createTranscoderInstance

public abstract ImageTranscoder createTranscoderInstance()

Returns an instance of the ImageTranscoder implementation associated with this service provider.

Returns:
an ImageTranscoder instance.

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https://docs.oracle.com/en/java/javase/11/docs/api/java.desktop/javax/imageio/spi/ImageTranscoderSpi.html