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Showing content from https://docs.oracle.com/en/java/javase/19/docs/api/java.desktop/java/awt/image/DataBufferByte.html below:

DataBufferByte (Java SE 19 & JDK 19)

public final class DataBufferByte extends DataBuffer

Field Summary Fields declared in class java.awt.image.DataBufferbanks, dataType, offset, offsets, size, TYPE_BYTE, TYPE_DOUBLE, TYPE_FLOAT, TYPE_INT, TYPE_SHORT, TYPE_UNDEFINED, TYPE_USHORT
Constructor Summary
Constructors

Constructs a byte-based DataBuffer with the specified arrays.

Constructs a byte-based DataBuffer with the specified arrays, size, and offsets.

Constructs a byte-based DataBuffer with a single bank using the specified array.

Constructs a byte-based DataBuffer with a single bank using the specified array, size, and offset.

Constructs a byte-based DataBuffer with a single bank and the specified size.

Constructs a byte based DataBuffer with the specified number of banks all of which are the specified size.
Method Summary
byte[][]

Returns the data arrays for all banks.

byte[]

Returns the default (first) byte data array.

byte[]

Returns the data array for the specified bank.

int

Returns the requested data array element from the first (default) bank.

int

Returns the requested data array element from the specified bank.

void

Sets the requested data array element in the first (default) bank to the specified value.

void

Sets the requested data array element in the specified bank from the given integer.
Methods declared in class java.awt.image.DataBuffergetDataType, getDataTypeSize, getElemDouble, getElemDouble, getElemFloat, getElemFloat, getNumBanks, getOffset, getOffsets, getSize, setElemDouble, setElemDouble, setElemFloat, setElemFloat Methods declared in class java.lang.Objectclone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait

Constructor Details
- DataBufferByte
  public DataBufferByte(int size)
  
  Constructs a byte-based DataBuffer with a single bank and the specified size.
  
  Parameters:
  
  size - The size of the DataBuffer.
- DataBufferByte
  public DataBufferByte(int size, int numBanks)
  
  Constructs a byte based DataBuffer with the specified number of banks all of which are the specified size.
  
  Parameters:
  
  size - The size of the banks in the DataBuffer.
  
  numBanks - The number of banks in the DataBuffer.
- DataBufferByte
  public DataBufferByte(byte[] dataArray, int size)
  
  Constructs a byte-based
  DataBuffer
  with a single bank using the specified array. Only the first
  size
  elements should be used by accessors of this
  DataBuffer
  .
  dataArray
  must be large enough to hold
  size
  elements.
  
  Note that DataBuffer objects created by this constructor may be incompatible with performance optimizations used by some implementations (such as caching an associated image in video memory).
  
  Parameters:
  
  dataArray - The byte array for the DataBuffer.
  
  size - The size of the DataBuffer bank.
- DataBufferByte
  public DataBufferByte(byte[] dataArray, int size, int offset)
  
  Constructs a byte-based
  DataBuffer
  with a single bank using the specified array, size, and offset.
  dataArray
  must have at least
  offset
  +
  size
  elements. Only elements
  offset
  through
  offset
  +
  size
  - 1 should be used by accessors of this
  DataBuffer
  .
  
  Note that DataBuffer objects created by this constructor may be incompatible with performance optimizations used by some implementations (such as caching an associated image in video memory).
  
  Parameters:
  
  dataArray - The byte array for the DataBuffer.
  
  size - The size of the DataBuffer bank.
  
  offset - The offset into the dataArray. dataArray must have at least offset + size elements.
- DataBufferByte
  public DataBufferByte(byte[][] dataArray, int size)
  
  Constructs a byte-based
  DataBuffer
  with the specified arrays. The number of banks is equal to
  dataArray.length
  . Only the first
  size
  elements of each array should be used by accessors of this
  DataBuffer
  .
  
  Note that DataBuffer objects created by this constructor may be incompatible with performance optimizations used by some implementations (such as caching an associated image in video memory).
  
  Parameters:
  
  dataArray - The byte arrays for the DataBuffer.
  
  size - The size of the banks in the DataBuffer.
- DataBufferByte
  public DataBufferByte(byte[][] dataArray, int size, int[] offsets)
  
  Constructs a byte-based
  DataBuffer
  with the specified arrays, size, and offsets. The number of banks is equal to
  dataArray.length
  . Each array must be at least as large as
  size
  + the corresponding
  offset
  . There must be an entry in the
  offset
  array for each
  dataArray
  entry. For each bank, only elements
  offset
  through
  offset
  +
  size
  - 1 should be used by accessors of this
  DataBuffer
  .
  
  Note that DataBuffer objects created by this constructor may be incompatible with performance optimizations used by some implementations (such as caching an associated image in video memory).
  
  Parameters:
  
  dataArray - The byte arrays for the DataBuffer.
  
  size - The size of the banks in the DataBuffer.
  
  offsets - The offsets into each array.
Method Details
- getData
  public byte[] getData()
  
  Note that calling this method may cause this DataBuffer object to be incompatible with performance optimizations used by some implementations (such as caching an associated image in video memory).
  
  Returns:
  
  The first byte data array.
- getData
  public byte[] getData(int bank)
  
  Note that calling this method may cause this DataBuffer object to be incompatible with performance optimizations used by some implementations (such as caching an associated image in video memory).
  
  Parameters:
  
  bank - The bank whose data array you want to get.
  
  Returns:
  
  The data array for the specified bank.
- getBankData
  public byte[][] getBankData()
  
  Note that calling this method may cause this DataBuffer object to be incompatible with performance optimizations used by some implementations (such as caching an associated image in video memory).
  
  Returns:
  
  All of the data arrays.
- getElem
  public int getElem(int i)
  
  Returns the requested data array element from the first (default) bank.
  Overrides:
  
  getElem in class DataBuffer
  
  Parameters:
  
  i - The data array element you want to get.
  
  Returns:
  
  The requested data array element as an integer.
  
  See Also:
  - setElem(int, int)
  - setElem(int, int, int)
- getElem
  public int getElem(int bank, int i)
  
  Returns the requested data array element from the specified bank.
  Specified by:
  
  getElem in class DataBuffer
  
  Parameters:
  
  bank - The bank from which you want to get a data array element.
  
  i - The data array element you want to get.
  
  Returns:
  
  The requested data array element as an integer.
  
  See Also:
  - setElem(int, int)
  - setElem(int, int, int)
- setElem
  public void setElem(int i, int val)
  
  Sets the requested data array element in the first (default) bank to the specified value.
  Overrides:
  
  setElem in class DataBuffer
  
  Parameters:
  
  i - The data array element you want to set.
  
  val - The integer value to which you want to set the data array element.
  
  See Also:
  - getElem(int)
  - getElem(int, int)
- setElem
  public void setElem(int bank, int i, int val)
  
  Sets the requested data array element in the specified bank from the given integer.
  Specified by:
  
  setElem in class DataBuffer
  
  Parameters:
  
  bank - The bank in which you want to set the data array element.
  
  i - The data array element you want to set.
  
  val - The integer value to which you want to set the specified data array element.
  
  See Also:
  - getElem(int)
  - getElem(int, int)

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