GifExtension
Keywords: com.sixlegs.image.png.GifExtension interface

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## com.sixlegs.image.png
Interface GifExtension

public interface GifExtension

Interface to GIF Application Extension chunks (gIFx), which constains application-specific information converted from GIF89a files.

See Also:
  `PngImage.getGifExtensions()`

Method Summary
`byte[]` | `getAuthenticationCode()` Returns a the Authentication Code of this GifExtension, which may be used to further validate the extension.
`byte[]` | `getData()` Returns the application-specific data of this GifExtension, which is not defined by the GIF specification.
`java.lang.String` | `getIdentifier()` Returns the Application Identifier of this GifExtension, which identifies the application that created the extension.

Method Detail

### getIdentifier

    public java.lang.String getIdentifier()

  Returns the Application Identifier of this GifExtension, which identifies the application that created the extension.

### getAuthenticationCode

    public byte[] getAuthenticationCode()

  Returns a the Authentication Code of this GifExtension, which may be used to further validate the extension.

### getData

    public byte[] getData()

  Returns the application-specific data of this GifExtension, which is not defined by the GIF specification.

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