webplugin.aclib.image

Class ImageInputStreamDecoder

java.lang.Object

webplugin.aclib.codec.AbstractDecoder

webplugin.aclib.image.ImageInputStreamDecoder

public class ImageInputStreamDecoder
extends AbstractDecoder

File decoder based on ImageInputStream (Chris' implementation).

© 2001 Christian Treber, ct@ctreber.com

Author:

Christian Treber, ct@ctreber.com

Field Summary

Fields inherited from class webplugin.aclib.codec.AbstractDecoder

_pos, BIG_ENDIAN, LITTLE_ENDIAN

Constructor Summary

Constructors

Constructor and Description
ImageInputStreamDecoder(javax.imageio.stream.ImageInputStream pStream) Create a BIG_ENDIAN file decoder.

Method Summary

Methods

Modifier and Type	Method and Description
void	close() Call when done with decoder.
byte[]	readBytes(long pBytes, byte[] pBuffer) Implemented by a specific decoder.
void	seek(long pPos)

Methods inherited from class webplugin.aclib.codec.AbstractDecoder

getPos, readUInt1, readUInt2, readUInt4, readValue, setEndianess

Methods inherited from class java.lang.Object

clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait

Constructor Detail

ImageInputStreamDecoder

public ImageInputStreamDecoder(javax.imageio.stream.ImageInputStream pStream)

Create a BIG_ENDIAN file decoder. See AbstractDecoder.setEndianess(int)to change the default behavior.

Parameters:

pStream - The image input stream to read from.

Method Detail

seek

public void seek(long pPos)
          throws IOException

Specified by:

seek in class AbstractDecoder

Parameters:

pPos - Position to advance to. Nothing will happen if the position has already been passed.

Throws:

IOException

readBytes

public byte[] readBytes(long pBytes,
               byte[] pBuffer)
                 throws IOException

Description copied from class: AbstractDecoder

Implemented by a specific decoder.

Specified by:

readBytes in class AbstractDecoder

Parameters:

pBytes - Bytes to read

pBuffer - The buffer to write the read bytes to. If null, a buffer is reserved.

Returns:

Array with the bytes read.

Throws:

IOException

close

public void close()
           throws IOException

Description copied from class: AbstractDecoder

Call when done with decoder.

Specified by:

close in class AbstractDecoder

Throws:

IOException