|
|||||||||
PREV CLASS NEXT CLASS | FRAMES NO FRAMES | ||||||||
SUMMARY: NESTED | FIELD | CONSTR | METHOD | DETAIL: FIELD | CONSTR | METHOD |
java.lang.Objectjava.awt.image.DataBuffer
java.awt.image.DataBufferInt
public final class DataBufferInt
A DataBuffer
that uses an array of int
primitives
to represent each of its banks.
Field Summary |
---|
Fields inherited from class java.awt.image.DataBuffer |
---|
banks, dataType, offset, offsets, size, TYPE_BYTE, TYPE_DOUBLE, TYPE_FLOAT, TYPE_INT, TYPE_SHORT, TYPE_UNDEFINED, TYPE_USHORT |
Constructor Summary | |
---|---|
DataBufferInt(int size)
Creates a new data buffer with a single data bank containing the specified number of int elements. |
|
DataBufferInt(int[][] dataArray,
int size)
Creates a new data buffer backed by the specified data banks. |
|
DataBufferInt(int[][] dataArray,
int size,
int[] offsets)
Creates a new data buffer backed by the specified data banks, with the specified offsets to the first element in each bank. |
|
DataBufferInt(int[] dataArray,
int size)
Creates a new data buffer backed by the specified data bank. |
|
DataBufferInt(int[] dataArray,
int size,
int offset)
Creates a new data buffer backed by the specified data bank, with the specified offset to the first element. |
|
DataBufferInt(int size,
int numBanks)
Creates a new data buffer with the specified number of data banks, each containing the specified number of int elements. |
Method Summary | |
---|---|
int[][] |
getBankData()
Returns the array underlying this DataBuffer . |
int[] |
getData()
Returns the first data bank. |
int[] |
getData(int bank)
Returns a data bank. |
int |
getElem(int i)
Returns an element from the first data bank. |
int |
getElem(int bank,
int i)
Returns an element from a particular data bank. |
void |
setElem(int i,
int val)
Sets an element in the first data bank. |
void |
setElem(int bank,
int i,
int val)
Sets an element in a particular data bank. |
Methods inherited from class java.awt.image.DataBuffer |
---|
getDataType, getDataTypeSize, getElemDouble, getElemDouble, getElemFloat, getElemFloat, getNumBanks, getOffset, getOffsets, getSize, setElemDouble, setElemDouble, setElemFloat, setElemFloat |
Methods inherited from class java.lang.Object |
---|
clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait |
Constructor Detail |
---|
public DataBufferInt(int size)
int
elements.
size
- the number of elements in the data bank.public DataBufferInt(int size, int numBanks)
int
elements.
size
- the number of elements in the data bank.numBanks
- the number of data banks.public DataBufferInt(int[] dataArray, int size)
Note: there is no exception when dataArray
is
null
, but in that case an exception will be thrown
later if you attempt to access the data buffer.
dataArray
- the data bank.size
- the number of elements in the data bank.public DataBufferInt(int[] dataArray, int size, int offset)
Note: there is no exception when dataArray
is
null
, but in that case an exception will be thrown
later if you attempt to access the data buffer.
dataArray
- the data bank.size
- the number of elements in the data bank.offset
- the offset to the first element in the array.public DataBufferInt(int[][] dataArray, int size)
dataArray
- the data banks.size
- the number of elements in the data bank.
NullPointerException
- if dataArray
is
null
.public DataBufferInt(int[][] dataArray, int size, int[] offsets)
dataArray
- the data banks.size
- the number of elements in the data bank.offsets
- the offsets to the first element in each data bank.
NullPointerException
- if dataArray
is
null
.Method Detail |
---|
public int[] getData()
public int[] getData(int bank)
bank
- the bank index.
public int[][] getBankData()
DataBuffer
.
public int getElem(int i)
offset
is
added to the specified index before accessing the underlying data array.
getElem
in class DataBuffer
i
- the element index.
public int getElem(int bank, int i)
offset
is added to the specified index before accessing the underlying data
array.
getElem
in class DataBuffer
bank
- the bank index.i
- the element index.
public void setElem(int i, int val)
i
before updating the underlying
data array.
setElem
in class DataBuffer
i
- the element index.val
- the new element value.public void setElem(int bank, int i, int val)
i
before updating the underlying
data array.
setElem
in class DataBuffer
bank
- the data bank index.i
- the element index.val
- the new element value.
|
|||||||||
PREV CLASS NEXT CLASS | FRAMES NO FRAMES | ||||||||
SUMMARY: NESTED | FIELD | CONSTR | METHOD | DETAIL: FIELD | CONSTR | METHOD |