Matrix2f
open classMatrix2f
kotlin.Any | |
↳ | android.renderscript.Matrix2f |
Class for exposing the native RenderScript rs_matrix2x2 type back to the Android system.
Summary
Public constructors | |
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Matrix2f() Creates a new identity 2x2 matrix |
|
Matrix2f(dataArray: FloatArray!) Creates a new matrix and sets its values from the given parameter |
Public methods | |
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open Float |
Returns the value for a given row and column |
open FloatArray! |
getArray() Return a reference to the internal array representing matrix values. |
open Unit |
Sets the values of the matrix to those of the parameter |
open Unit |
Sets the matrix values to identity |
open Unit |
loadMultiply(lhs: Matrix2f!, rhs: Matrix2f!) Sets current values to be the result of multiplying two given matrices |
open Unit |
loadRotate(rot: Float) Sets current values to be a rotation matrix of given angle |
open Unit |
Sets current values to be a scale matrix of given dimensions |
open Unit |
Post-multiplies the current matrix by a given parameter |
open Unit |
Modifies the current matrix by post-multiplying it with a rotation matrix of given angle |
open Unit |
Modifies the current matrix by post-multiplying it with a scale matrix of given dimensions |
open Unit |
Sets the value for a given row and column |
open Unit |
Sets the current matrix to its transpose |
Public constructors
Matrix2f
Matrix2f(dataArray: FloatArray!)
Creates a new matrix and sets its values from the given parameter
Parameters | |
---|---|
dataArray |
FloatArray!: values to set the matrix to, must be 4 floats long |
Public methods
get
open funget(
x: Int,
y: Int
): Float
Deprecated: Deprecated in Java.
Returns the value for a given row and column
Parameters | |
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x |
Int: column of the value to return |
y |
Int: row of the value to return |
Return | |
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Float |
value in the yth row and xth column |
getArray
open fungetArray(): FloatArray!
Deprecated: Deprecated in Java.
Return a reference to the internal array representing matrix values. Modifying this array will also change the matrix
Return | |
---|---|
FloatArray! |
internal array representing the matrix |
load
open funload(src: Matrix2f!): Unit
Deprecated: Deprecated in Java.
Sets the values of the matrix to those of the parameter
Parameters | |
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src |
Matrix2f!: matrix to load the values from |
loadIdentity
open funloadIdentity(): Unit
Deprecated: Deprecated in Java.
Sets the matrix values to identity
loadMultiply
open funloadMultiply(
lhs: Matrix2f!,
rhs: Matrix2f!
): Unit
Deprecated: Deprecated in Java.
Sets current values to be the result of multiplying two given matrices
Parameters | |
---|---|
lhs |
Matrix2f!: left hand side matrix |
rhs |
Matrix2f!: right hand side matrix |
loadRotate
open funloadRotate(rot: Float): Unit
Deprecated: Deprecated in Java.
Sets current values to be a rotation matrix of given angle
Parameters | |
---|---|
rot |
Float: rotation angle |
loadScale
open funloadScale(
x: Float,
y: Float
): Unit
Deprecated: Deprecated in Java.
Sets current values to be a scale matrix of given dimensions
Parameters | |
---|---|
x |
Float: scale component x |
y |
Float: scale component y |
multiply
open funmultiply(rhs: Matrix2f!): Unit
Deprecated: Deprecated in Java.
Post-multiplies the current matrix by a given parameter
Parameters | |
---|---|
rhs |
Matrix2f!: right hand side to multiply by |
rotate
open funrotate(rot: Float): Unit
Deprecated: Deprecated in Java.
Modifies the current matrix by post-multiplying it with a rotation matrix of given angle
Parameters | |
---|---|
rot |
Float: angle of rotation |
scale
open funscale(
x: Float,
y: Float
): Unit
Deprecated: Deprecated in Java.
Modifies the current matrix by post-multiplying it with a scale matrix of given dimensions
Parameters | |
---|---|
x |
Float: scale component x |
y |
Float: scale component y |
set
open funset(
x: Int,
y: Int,
v: Float
): Unit
Deprecated: Deprecated in Java.
Sets the value for a given row and column
Parameters | |
---|---|
x |
Int: column of the value to set |
y |
Int: row of the value to set |
transpose
open funtranspose(): Unit
Deprecated: Deprecated in Java.
Sets the current matrix to its transpose