public class ByteLookupTable extends LookupTable
Constructor | Description |
---|---|
ByteLookupTable |
Constructs a ByteLookupTable object from an array of bytes representing a lookup table to be applied to all bands. |
ByteLookupTable |
Constructs a ByteLookupTable object from an array of byte arrays representing a lookup table for each band. |
Modifier and Type | Method | Description |
---|---|---|
final byte[][] |
getTable() |
Returns the lookup table data by reference. |
byte[] |
lookupPixel |
Returns an array of samples of a pixel, translated with the lookup table. |
int[] |
lookupPixel |
Returns an array of samples of a pixel, translated with the lookup table. |
getNumComponents, getOffset
public ByteLookupTable(int offset, byte[][] data)
offset
- the value subtracted from the input values before indexing into the arraysdata
- an array of byte arrays representing a lookup table for each bandIllegalArgumentException
- if offset
is is less than 0 or if the length of data
is less than 1public ByteLookupTable(int offset, byte[] data)
offset
- the value subtracted from the input values before indexing into the arraydata
- an array of bytesIllegalArgumentException
- if offset
is is less than 0 or if the length of data
is less than 1public final byte[][] getTable()
ByteLookupTable
.public int[] lookupPixel(int[] src, int[] dst)
dst
is returned.lookupPixel
in class LookupTable
src
- the source array.dst
- the destination array. This array must be at least as long as src
. If dst
is null
, a new array will be allocated having the same length as src
.dst
, an int
array of samples.ArrayIndexOutOfBoundsException
- if src
is longer than dst
or if for any element i
of src
, src[i]-offset
is either less than zero or greater than or equal to the length of the lookup table for any band.public byte[] lookupPixel(byte[] src, byte[] dst)
dst
is returned.src
- the source array.dst
- the destination array. This array must be at least as long as src
. If dst
is null
, a new array will be allocated having the same length as src
.dst
, an int
array of samples.ArrayIndexOutOfBoundsException
- if src
is longer than dst
or if for any element i
of src
, (src[i]&0xff)-offset
is either less than zero or greater than or equal to the length of the lookup table for any band.
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https://docs.oracle.com/en/java/javase/21/docs/api/java.desktop/java/awt/image/ByteLookupTable.html