JavaTM Advanced Imaging Image I/O Tools provides JAI read and write operations which use the Java Image I/O Framework, image input and output streams which use the New I/O APIs, and image reader and writer plug-ins.

See: Description

Packages 
Package Description
com.sun.media.imageio.plugins.bmp
Package containing the public classes used by the Sun BMP plug-in for the Image I/O Framework.
com.sun.media.imageio.plugins.pnm
Package containing the public classes used by the Sun PNM plug-in for the Image I/O Framework.
com.sun.media.imageio.plugins.tiff
Package containing the public classes used by the TIFF plug-in for the Image I/O Framework.
com.sun.media.imageio.stream
Provides ImageInputStream and ImageOutputStream classes for use with the Java Image I/O Framework.