LutProperties
class LutProperties
| kotlin.Any | |
| ↳ | android.hardware.LutProperties |
Provides Lut properties of the device.
A Lut (Look-Up Table) is a pre-calculated table for color correction. Applications may be interested in the Lut properties exposed by this class to determine if the Lut(s) they select using android.view.SurfaceControl.Transaction#setLuts are by the HWC.
Summary
| Constants | |
|---|---|
| static Int |
The Lut is one dimensional |
| static Int |
use y of CIE XYZ as the gain value of a lut |
| static Int |
use max of r,g,b channel as the gain value of a Lut |
| static Int |
use r,g,b channel as the gain value of a Lut |
| static Int |
The Lut is three dimensional |
| Public methods | |
|---|---|
| Boolean |
Indicates whether some other object is "equal to" this one. |
| Int | |
| IntArray | |
| Int |
getSize() |
| Int |
hashCode()Returns a hash code value for the object. |
| String |
toString()Returns a string representation of the object. |
Constants
ONE_DIMENSION
static val ONE_DIMENSION: Int
The Lut is one dimensional
Value: 1SAMPLING_KEY_CIE_Y
static val SAMPLING_KEY_CIE_Y: Int
use y of CIE XYZ as the gain value of a lut
Value: 2SAMPLING_KEY_MAX_RGB
static val SAMPLING_KEY_MAX_RGB: Int
use max of r,g,b channel as the gain value of a Lut
Value: 1SAMPLING_KEY_RGB
static val SAMPLING_KEY_RGB: Int
use r,g,b channel as the gain value of a Lut
Value: 0THREE_DIMENSION
static val THREE_DIMENSION: Int
The Lut is three dimensional
Value: 3Public methods
equals
fun equals(other: Any?): Boolean
Indicates whether some other object is "equal to" this one.
The equals method implements an equivalence relation on non-null object references:
- It is reflexive: for any non-null reference value
x,x.equals(x)should returntrue. - It is symmetric: for any non-null reference values
xandy,x.equals(y)should returntrueif and only ify.equals(x)returnstrue. - It is transitive: for any non-null reference values
x,y, andz, ifx.equals(y)returnstrueandy.equals(z)returnstrue, thenx.equals(z)should returntrue. - It is consistent: for any non-null reference values
xandy, multiple invocations ofx.equals(y)consistently returntrueor consistently returnfalse, provided no information used inequalscomparisons on the objects is modified. - For any non-null reference value
x,x.equals(null)should returnfalse.
An equivalence relation partitions the elements it operates on into equivalence classes; all the members of an equivalence class are equal to each other. Members of an equivalence class are substitutable for each other, at least for some purposes.
| Parameters | |
|---|---|
obj |
the reference object with which to compare. |
| Return | |
|---|---|
Boolean |
true if this object is the same as the obj argument; false otherwise. |
getDimension
fun getDimension(): Int
| Return | |
|---|---|
Int |
Value is one of the following: |
getSamplingKeys
fun getSamplingKeys(): IntArray
| Return | |
|---|---|
IntArray |
the list of sampling keys. This value cannot be null. Value is one of the following: |
hashCode
fun hashCode(): Int
Returns a hash code value for the object. This method is supported for the benefit of hash tables such as those provided by java.util.HashMap.
The general contract of hashCode is:
- Whenever it is invoked on the same object more than once during an execution of a Java application, the
hashCodemethod must consistently return the same integer, provided no information used inequalscomparisons on the object is modified. This integer need not remain consistent from one execution of an application to another execution of the same application. - If two objects are equal according to the
equalsmethod, then calling thehashCodemethod on each of the two objects must produce the same integer result. - It is not required that if two objects are unequal according to the
equalsmethod, then calling thehashCodemethod on each of the two objects must produce distinct integer results. However, the programmer should be aware that producing distinct integer results for unequal objects may improve the performance of hash tables.
| Return | |
|---|---|
Int |
a hash code value for this object. |
toString
fun toString(): String
Returns a string representation of the object.
| Return | |
|---|---|
String |
a string representation of the object. |