public final class DataBufferByte extends DataBuffer
DataBuffer
and stores data internally as bytes. Values stored in the byte array(s) of this DataBuffer
are treated as unsigned values.
banks, dataType, offset, offsets, size, TYPE_BYTE, TYPE_DOUBLE, TYPE_FLOAT, TYPE_INT, TYPE_SHORT, TYPE_UNDEFINED, TYPE_USHORT
Constructor | Description |
---|---|
DataBufferByte |
Constructs a byte-based DataBuffer with the specified arrays. |
DataBufferByte |
Constructs a byte-based DataBuffer with the specified arrays, size, and offsets. |
DataBufferByte |
Constructs a byte-based DataBuffer with a single bank using the specified array. |
DataBufferByte |
Constructs a byte-based DataBuffer with a single bank using the specified array, size, and offset. |
DataBufferByte |
Constructs a byte-based DataBuffer with a single bank and the specified size. |
DataBufferByte |
Constructs a byte based DataBuffer with the specified number of banks all of which are the specified size. |
Modifier and Type | Method | Description |
---|---|---|
byte[][] |
getBankData() |
Returns the data arrays for all banks. |
byte[] |
getData() |
Returns the default (first) byte data array. |
byte[] |
getData |
Returns the data array for the specified bank. |
int |
getElem |
Returns the requested data array element from the first (default) bank. |
int |
getElem |
Returns the requested data array element from the specified bank. |
void |
setElem |
Sets the requested data array element in the first (default) bank to the specified value. |
void |
setElem |
Sets the requested data array element in the specified bank from the given integer. |
getDataType, getDataTypeSize, getElemDouble, getElemDouble, getElemFloat, getElemFloat, getNumBanks, getOffset, getOffsets, getSize, setElemDouble, setElemDouble, setElemFloat, setElemFloat
public DataBufferByte(int size)
DataBuffer
with a single bank and the specified size.size
- The size of the DataBuffer
.public DataBufferByte(int size, int numBanks)
DataBuffer
with the specified number of banks all of which are the specified size.size
- The size of the banks in the DataBuffer
.numBanks
- The number of banks in the DataBuffer
.public DataBufferByte(byte[] dataArray, int size)
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).
dataArray
- The byte array for the DataBuffer
.size
- The size of the DataBuffer
bank.public DataBufferByte(byte[] dataArray, int size, int offset)
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).
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.public DataBufferByte(byte[][] dataArray, int size)
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).
dataArray
- The byte arrays for the DataBuffer
.size
- The size of the banks in the DataBuffer
.public DataBufferByte(byte[][] dataArray, int size, int[] offsets)
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).
dataArray
- The byte arrays for the DataBuffer
.size
- The size of the banks in the DataBuffer
.offsets
- The offsets into each array.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).
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).
bank
- The bank whose data array you want to get.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).
public int getElem(int i)
getElem
in class DataBuffer
i
- The data array element you want to get.public int getElem(int bank, int i)
getElem
in class DataBuffer
bank
- The bank from which you want to get a data array element.i
- The data array element you want to get.public void setElem(int i, int val)
setElem
in class DataBuffer
i
- The data array element you want to set.val
- The integer value to which you want to set the data array element.public void setElem(int bank, int i, int val)
setElem
in class DataBuffer
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.
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