Package com.helger.commons.codec

Class DCTCodec

java.lang.Object

com.helger.commons.codec.DCTCodec

All Implemented Interfaces:

IByteArrayDecoder, IDecoder<byte[],byte[]>

public class DCTCodec
extends Object
implements IByteArrayDecoder

Decoder for Discrete Cosinus Transformation (DCT)

Author:

Philip Helger

Constructor Summary

Constructors

Constructor	Description
DCTCodec()

Method Summary

Modifier and Type	Method	Description
byte[]	getDecoded(byte[] aEncodedBuffer, int nOfs, int nLen)	Decode a byte array.
static byte[]	getDecodedDCT(byte[] aEncodedBuffer, int nOfs, int nLen)

Methods inherited from class java.lang.Object

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

Methods inherited from interface com.helger.commons.codec.IByteArrayDecoder

getDecoded, getDecoded, getMaximumDecodedLength

Constructor Details

DCTCodec

public DCTCodec()

Method Details

getDecoded

@Nullable
@ReturnsMutableCopy
public byte[] getDecoded(@Nullable
 byte[] aEncodedBuffer,
 @Nonnegative
 int nOfs,
 @Nonnegative
 int nLen)

Description copied from interface: IByteArrayDecoder

Decode a byte array.

Specified by:

getDecoded in interface IByteArrayDecoder

Parameters:

aEncodedBuffer - The byte array to be decoded. May be null.

nOfs - Offset into the byte array to start from.

nLen - Number of bytes starting from offset to consider.

Returns:

The decoded byte array or null if the parameter was null.

getDecodedDCT

@Nullable
@ReturnsMutableCopy
public static byte[] getDecodedDCT(@Nullable
 byte[] aEncodedBuffer,
 @Nonnegative
 int nOfs,
 @Nonnegative
 int nLen)