com.sun.j3d.internal
Class ByteBufferWrapper

java.lang.Object
  com.sun.j3d.internal.BufferWrapper
      com.sun.j3d.internal.ByteBufferWrapper

public class ByteBufferWrapper
extends BufferWrapper

NIO Buffers are new in Java 1.4 but we need to run on 1.3 as well, so this class was created to hide the NIO classes from non-1.4 Java 3D users.

NOTE: We no longer need to support JDK 1.3 as of the Java 3D 1.3.2 community source release on java.net. We should be able to get rid of this class.

Field Summary

Fields inherited from class com.sun.j3d.internal.BufferWrapper

TYPE_BYTE, TYPE_DOUBLE, TYPE_FLOAT, TYPE_NULL, TYPE_UNKNOWN

Constructor Summary

ByteBufferWrapper(java.nio.ByteBuffer buffer)
Constructor initializes buffer with a java.nio.ByteBuffer object.

ByteBufferWrapper(javax.media.j3d.J3DBuffer b)
Constructor initializes buffer with a javax.media.j3d.J3DBuffer object.

Method Summary

static ByteBufferWrapper	allocateDirect(int capacity) Allocate a direct ByteBuffer with the given capacity.
DoubleBufferWrapper	asDoubleBuffer() Creates a view of this ByteBufferWrapper as a DoubleBufferWrapper.
FloatBufferWrapper	asFloatBuffer() Creates a view of this ByteBufferWrapper as a FloatBufferWrapper.
byte	get() Reads the byte at this buffer's current position, and then increments the position.
ByteBufferWrapper	get(byte[] dst) Bulk get method.
ByteBufferWrapper	get(byte[] dst, int offset, int length) Bulk get method.
byte	get(int index) Reads the byte at the given offset into the buffer.
java.nio.Buffer	getBuffer() Returns the java.nio.Buffer contained within this ByteBufferWrapper.
javax.media.j3d.J3DBuffer	getJ3DBuffer() Creates and returns a J3DBuffer object containing the buffer in this ByteBufferWrapper object.
boolean	isDirect()
java.nio.ByteOrder	order() Returns the byte order of this buffer.
ByteBufferWrapper	order(java.nio.ByteOrder bo) Modifies this buffer's byte order.
ByteBufferWrapper	put(byte[] src) Bulk put method.

Methods inherited from class com.sun.j3d.internal.BufferWrapper

capacity, getBufferAsObject, getBufferType, limit, position, position, rewind

Methods inherited from class java.lang.Object

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

Constructor Detail

ByteBufferWrapper

public ByteBufferWrapper(java.nio.ByteBuffer buffer)

Constructor initializes buffer with a java.nio.ByteBuffer object.

ByteBufferWrapper

public ByteBufferWrapper(javax.media.j3d.J3DBuffer b)

Constructor initializes buffer with a javax.media.j3d.J3DBuffer object.

Method Detail

allocateDirect

public static ByteBufferWrapper allocateDirect(int capacity)

Allocate a direct ByteBuffer with the given capacity.

Returns:

New ByteBufferWrapper containing the new buffer.

getBuffer

public java.nio.Buffer getBuffer()

Returns the java.nio.Buffer contained within this ByteBufferWrapper.

isDirect

public boolean isDirect()

Returns:

A boolean indicating whether the java.nio.Buffer object contained within this ByteBuffer is direct or indirect.

get

public byte get()

Reads the byte at this buffer's current position, and then increments the position.

get

public byte get(int index)

Reads the byte at the given offset into the buffer.

get

public ByteBufferWrapper get(byte[] dst)

Bulk get method. Transfers dst.length bytes from the buffer to the destination array and increments the buffer's position by dst.length.

get

public ByteBufferWrapper get(byte[] dst,
                             int offset,
                             int length)

Bulk get method. Transfers length bytes from the buffer starting at position offset into the destination array.

order

public java.nio.ByteOrder order()

Returns the byte order of this buffer.

order

public ByteBufferWrapper order(java.nio.ByteOrder bo)

Modifies this buffer's byte order.

asFloatBuffer

public FloatBufferWrapper asFloatBuffer()

Creates a view of this ByteBufferWrapper as a FloatBufferWrapper. Uses the correct

asDoubleBuffer

public DoubleBufferWrapper asDoubleBuffer()

Creates a view of this ByteBufferWrapper as a DoubleBufferWrapper.

put

public ByteBufferWrapper put(byte[] src)

Bulk put method. Transfers src.length bytes into the buffer at the current position.

getJ3DBuffer

public javax.media.j3d.J3DBuffer getJ3DBuffer()

Creates and returns a J3DBuffer object containing the buffer in this ByteBufferWrapper object.