ByteLookupTable
, ShortLookupTable
public abstract class LookupTable extends Object
Modifier | Constructor | Description |
---|---|---|
protected |
Constructs a new LookupTable from the number of components and an offset into the lookup table. |
Modifier and Type | Method | Description |
---|---|---|
int |
getNumComponents() |
Returns the number of components in the lookup table. |
int |
getOffset() |
Returns the offset. |
abstract int[] |
lookupPixel |
Returns an int array of components for one pixel. |
protected LookupTable(int offset, int numComponents)
offset
- the offset to subtract from input values before indexing into the data arrays for this LookupTable
numComponents
- the number of data arrays in this LookupTable
IllegalArgumentException
- if offset
is less than 0 or if numComponents
is less than 1public int getNumComponents()
LookupTable
.public int getOffset()
LookupTable
.public abstract int[] lookupPixel(int[] src, int[] dest)
int
array of components for one pixel. The dest
array contains the result of the lookup and is returned. If dest is null
, a new array is allocated. The source and destination can be equal.src
- the source array of components of one pixeldest
- the destination array of components for one pixel, translated with this LookupTable
int
array of components for one pixel.
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Documentation extracted from Debian's OpenJDK Development Kit package.
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https://docs.oracle.com/en/java/javase/21/docs/api/java.desktop/java/awt/image/LookupTable.html