See: Description
| Interface | Description | 
|---|---|
| ImageInputStream | A seekable input stream interface for use by
  ImageReaders. | 
| ImageOutputStream | A seekable output stream interface for use by
  ImageWriters. | 
| Class | Description | 
|---|---|
| FileCacheImageInputStream | An implementation of  ImageInputStreamthat gets its
 input from a regularInputStream. | 
| FileCacheImageOutputStream | An implementation of  ImageOutputStreamthat writes its
 output to a regularOutputStream. | 
| FileImageInputStream | An implementation of  ImageInputStreamthat gets its
 input from aFileorRandomAccessFile. | 
| FileImageOutputStream | An implementation of  ImageOutputStreamthat writes its
 output directly to aFileorRandomAccessFile. | 
| IIOByteBuffer | A class representing a mutable reference to an array of bytes and
 an offset and length within that array. | 
| ImageInputStreamImpl | An abstract class implementing the  ImageInputStreaminterface. | 
| ImageOutputStreamImpl | An abstract class implementing the  ImageOutputStreaminterface. | 
| MemoryCacheImageInputStream | An implementation of  ImageInputStreamthat gets its
 input from a regularInputStream. | 
| MemoryCacheImageOutputStream | An implementation of  ImageOutputStreamthat writes its
 output to a regularOutputStream. | 
The ImageInputStream interface unifies streaming and
file-based operations.  An abstract base class,
ImageInputStreamImpl is provided to simplify writing
a new ImageInputStream class.  Concrete implementation
classes (FileImageInputStream,
FileCacheImageInputStream, and
MemoryCacheImageInputStream) are provided that allow
input to come from a File or InputStream
with or without the use of a temporary cache file.
The ImageOutputStream interface performs an analogous
function for output.  An abstract base class,
ImageOutputStreamImpl is provided, along with
concrete implementation classes (FileImageOutputStream,
FileCacheImageOutputStream, and
MemoryCacheImageOutputStream) are provided that allow
output to go to a File or OutputStream with
or without the use of a temporary cache file.
The IIOByteBuffer class provides an alternative way to
perform reads of sequences of bytes that reduces the amount of
internal data copying.
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