jj2000.j2k.io.BinaryDataOutput Maven / Gradle / Ivy
Show all versions of jai-imageio-jpeg2000 Show documentation
/*
* $RCSfile: BinaryDataOutput.java,v $
* $Revision: 1.1 $
* $Date: 2005/02/11 05:02:15 $
* $State: Exp $
*
* Interface: BinaryDataOutput
*
* Description: Stream like interface for bit as well as byte
* level output to a stream or file.
*
*
*
* COPYRIGHT:
*
* This software module was originally developed by Raphaël Grosbois and
* Diego Santa Cruz (Swiss Federal Institute of Technology-EPFL); Joel
* Askelöf (Ericsson Radio Systems AB); and Bertrand Berthelot, David
* Bouchard, Félix Henry, Gerard Mozelle and Patrice Onno (Canon Research
* Centre France S.A) in the course of development of the JPEG2000
* standard as specified by ISO/IEC 15444 (JPEG 2000 Standard). This
* software module is an implementation of a part of the JPEG 2000
* Standard. Swiss Federal Institute of Technology-EPFL, Ericsson Radio
* Systems AB and Canon Research Centre France S.A (collectively JJ2000
* Partners) agree not to assert against ISO/IEC and users of the JPEG
* 2000 Standard (Users) any of their rights under the copyright, not
* including other intellectual property rights, for this software module
* with respect to the usage by ISO/IEC and Users of this software module
* or modifications thereof for use in hardware or software products
* claiming conformance to the JPEG 2000 Standard. Those intending to use
* this software module in hardware or software products are advised that
* their use may infringe existing patents. The original developers of
* this software module, JJ2000 Partners and ISO/IEC assume no liability
* for use of this software module or modifications thereof. No license
* or right to this software module is granted for non JPEG 2000 Standard
* conforming products. JJ2000 Partners have full right to use this
* software module for his/her own purpose, assign or donate this
* software module to any third party and to inhibit third parties from
* using this software module for non JPEG 2000 Standard conforming
* products. This copyright notice must be included in all copies or
* derivative works of this software module.
*
* Copyright (c) 1999/2000 JJ2000 Partners.
*
*
*
*/
package jj2000.j2k.io;
import java.io.IOException;
/**
* This interface defines the output of binary data to streams and/or files.
*
* Byte level output (i.e., for byte, int, long, float, etc.) should
* always be byte aligned. For example, a request to write an
* int should always realign the output at the byte level.
*
*
The implementation of this interface should clearly define if
* multi-byte output data is written in little- or big-endian byte
* ordering (least significant byte first or most significant byte
* first, respectively).
*
* @see EndianType
* */
public interface BinaryDataOutput {
/**
* Should write the byte value of v (i.e., 8 least
* significant bits) to the output. Prior to writing, the output
* should be realigned at the byte level.
*
*
Signed or unsigned data can be written. To write a signed
* value just pass the byte value as an argument. To
* write unsigned data pass the int value as an argument
* (it will be automatically casted, and only the 8 least
* significant bits will be written).
*
* @param v The value to write to the output
*
* @exception IOException If an I/O error ocurred.
*
*
*
*/
public void writeByte(int v) throws IOException;
/**
* Should write the short value of v (i.e., 16 least
* significant bits) to the output. Prior to writing, the output
* should be realigned at the byte level.
*
*
Signed or unsigned data can be written. To write a signed
* value just pass the short value as an argument. To
* write unsigned data pass the int value as an argument
* (it will be automatically casted, and only the 16 least
* significant bits will be written).
*
* @param v The value to write to the output
*
* @exception IOException If an I/O error ocurred.
*
*
*
*/
public void writeShort(int v) throws IOException;
/**
* Should write the int value of v (i.e., the 32 bits) to
* the output. Prior to writing, the output should be realigned at
* the byte level.
*
* @param v The value to write to the output
*
* @exception IOException If an I/O error ocurred.
*
*
*
*/
public void writeInt(int v) throws IOException;
/**
* Should write the long value of v (i.e., the 64 bits)
* to the output. Prior to writing, the output should be realigned
* at the byte level.
*
* @param v The value to write to the output
*
* @exception IOException If an I/O error ocurred.
*
*
*
*/
public void writeLong(long v) throws IOException;
/**
* Should write the IEEE float value v (i.e., 32 bits) to
* the output. Prior to writing, the output should be realigned at
* the byte level.
*
* @param v The value to write to the output
*
* @exception IOException If an I/O error ocurred.
*
*
*
*/
public void writeFloat(float v) throws IOException;
/**
* Should write the IEEE double value v (i.e., 64 bits)
* to the output. Prior to writing, the output should be realigned
* at the byte level.
*
* @param v The value to write to the output
*
* @exception IOException If an I/O error ocurred.
*
*
*
*/
public void writeDouble(double v) throws IOException;
/**
* Returns the endianness (i.e., byte ordering) of the implementing
* class. Note that an implementing class may implement only one
* type of endianness or both, which would be decided at creatiuon
* time.
*
* @return Either EndianType.BIG_ENDIAN or
* EndianType.LITTLE_ENDIAN
*
* @see EndianType
*
*
*
*/
public int getByteOrdering();
/**
* Any data that has been buffered must be written, and the stream should
* be realigned at the byte level.
*
* @exception IOException If an I/O error ocurred.
*
*
* */
public void flush() throws IOException;
}