W3cubDocs

/OpenJDK 21

Package javax.imageio.stream

package javax.imageio.stream
A package of the Java Image I/O API dealing with low-level I/O from files and streams.

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.

Since:
1.4
Class Description
FileCacheImageInputStream
An implementation of ImageInputStream that gets its input from a regular InputStream.
FileCacheImageOutputStream
An implementation of ImageOutputStream that writes its output to a regular OutputStream.
FileImageInputStream
An implementation of ImageInputStream that gets its input from a File or RandomAccessFile.
FileImageOutputStream
An implementation of ImageOutputStream that writes its output directly to a File or RandomAccessFile.
IIOByteBuffer
A class representing a mutable reference to an array of bytes and an offset and length within that array.
ImageInputStream
A seekable input stream interface for use by ImageReaders.
ImageInputStreamImpl
An abstract class implementing the ImageInputStream interface.
ImageOutputStream
A seekable output stream interface for use by ImageWriters.
ImageOutputStreamImpl
An abstract class implementing the ImageOutputStream interface.
MemoryCacheImageInputStream
An implementation of ImageInputStream that gets its input from a regular InputStream.
MemoryCacheImageOutputStream
An implementation of ImageOutputStream that writes its output to a regular OutputStream.

© 1993, 2023, Oracle and/or its affiliates. All rights reserved.
Documentation extracted from Debian's OpenJDK Development Kit package.
Licensed under the GNU General Public License, version 2, with the Classpath Exception.
Various third party code in OpenJDK is licensed under different licenses (see Debian package).
Java and OpenJDK are trademarks or registered trademarks of Oracle and/or its affiliates.
https://docs.oracle.com/en/java/javase/21/docs/api/java.desktop/javax/imageio/stream/package-summary.html