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## javax.imageio.spi
Class ImageTranscoderSpi

    java.lang.Object
      javax.imageio.spi.IIOServiceProvider
          javax.imageio.spi.ImageTranscoderSpi

All Implemented Interfaces:
  RegisterableService

    public abstract class ImageTranscoderSpi

extends IIOServiceProvider

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

See Also:
  `IIORegistry`, `ImageTranscoder`

Field Summary

Fields inherited from class javax.imageio.spi.IIOServiceProvider
`vendorName, version`

Constructor Summary
`protected` | `ImageTranscoderSpi()` Constructs a blank `ImageTranscoderSpi`.
`` | `ImageTranscoderSpi(String vendorName, String version)` Constructs an `ImageTranscoderSpi` with a given set of values.

Method Summary
`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 inherited from class javax.imageio.spi.IIOServiceProvider
`getDescription, getVendorName, getVersion, onDeregistration, onRegistration`

Methods inherited from class java.lang.Object
`clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait`

Constructor Detail

### 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.

Method Detail

### 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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