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public
class
Matrix3f
extends Object
java.lang.Object | |
↳ | android.renderscript.Matrix3f |
This class is deprecated.
Renderscript has been deprecated in API level 31. Please refer to the migration
guide for the proposed alternatives.
Class for exposing the native RenderScript rs_matrix3x3 type back to the Android system.
Public constructors | |
---|---|
Matrix3f()
Creates a new identity 3x3 matrix |
|
Matrix3f(float[] dataArray)
Creates a new matrix and sets its values from the given parameter |
Public methods | |
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float
|
get(int x, int y)
Returns the value for a given row and column |
float[]
|
getArray()
Return a reference to the internal array representing matrix values. |
void
|
load(Matrix3f src)
Sets the values of the matrix to those of the parameter |
void
|
loadIdentity()
Sets the matrix values to identity |
void
|
loadMultiply(Matrix3f lhs, Matrix3f rhs)
Sets current values to be the result of multiplying two given matrices |
void
|
loadRotate(float rot, float x, float y, float z)
Sets current values to be a rotation matrix of certain angle about a given axis |
void
|
loadRotate(float rot)
Makes the upper 2x2 a rotation matrix of the given angle |
void
|
loadScale(float x, float y)
Makes the upper 2x2 a scale matrix of given dimensions |
void
|
loadScale(float x, float y, float z)
Sets current values to be a scale matrix of given dimensions |
void
|
loadTranslate(float x, float y)
Sets current values to be a translation matrix of given dimensions |
void
|
multiply(Matrix3f rhs)
Post-multiplies the current matrix by a given parameter |
void
|
rotate(float rot)
Modifies the upper 2x2 of the current matrix by post-multiplying it with a rotation matrix of given angle |
void
|
rotate(float rot, float x, float y, float z)
Modifies the current matrix by post-multiplying it with a rotation matrix of certain angle about a given axis |
void
|
scale(float x, float y)
Modifies the upper 2x2 of the current matrix by post-multiplying it with a scale matrix of given dimensions |
void
|
scale(float x, float y, float z)
Modifies the current matrix by post-multiplying it with a scale matrix of given dimensions |
void
|
set(int x, int y, float v)
Sets the value for a given row and column |
void
|
translate(float x, float y)
Modifies the current matrix by post-multiplying it with a translation matrix of given dimensions |
void
|
transpose()
Sets the current matrix to its transpose |
Inherited methods | |
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public Matrix3f ()
Creates a new identity 3x3 matrix
public Matrix3f (float[] dataArray)
Creates a new matrix and sets its values from the given parameter
Parameters | |
---|---|
dataArray |
float : values to set the matrix to, must be 9
floats long |
public float get (int x, int y)
Returns the value for a given row and column
Parameters | |
---|---|
x |
int : column of the value to return |
y |
int : row of the value to return |
Returns | |
---|---|
float |
value in the yth row and xth column |
public float[] getArray ()
Return a reference to the internal array representing matrix values. Modifying this array will also change the matrix
Returns | |
---|---|
float[] |
internal array representing the matrix |
public void load (Matrix3f src)
Sets the values of the matrix to those of the parameter
Parameters | |
---|---|
src |
Matrix3f : matrix to load the values from |
public void loadIdentity ()
Sets the matrix values to identity
public void loadMultiply (Matrix3f lhs, Matrix3f rhs)
Sets current values to be the result of multiplying two given matrices
Parameters | |
---|---|
lhs |
Matrix3f : left hand side matrix |
rhs |
Matrix3f : right hand side matrix |
public void loadRotate (float rot, float x, float y, float z)
Sets current values to be a rotation matrix of certain angle about a given axis
Parameters | |
---|---|
rot |
float : angle of rotation |
x |
float : rotation axis x |
y |
float : rotation axis y |
z |
float : rotation axis z |
public void loadRotate (float rot)
Makes the upper 2x2 a rotation matrix of the given angle
Parameters | |
---|---|
rot |
float : rotation angle |
public void loadScale (float x, float y)
Makes the upper 2x2 a scale matrix of given dimensions
Parameters | |
---|---|
x |
float : scale component x |
y |
float : scale component y |
public void loadScale (float x, float y, float z)
Sets current values to be a scale matrix of given dimensions
Parameters | |
---|---|
x |
float : scale component x |
y |
float : scale component y |
z |
float : scale component z |
public void loadTranslate (float x, float y)
Sets current values to be a translation matrix of given dimensions
Parameters | |
---|---|
x |
float : translation component x |
y |
float : translation component y |
public void multiply (Matrix3f rhs)
Post-multiplies the current matrix by a given parameter
Parameters | |
---|---|
rhs |
Matrix3f : right hand side to multiply by |
public void rotate (float rot)
Modifies the upper 2x2 of the current matrix by post-multiplying it with a rotation matrix of given angle
Parameters | |
---|---|
rot |
float : angle of rotation |
public void rotate (float rot, float x, float y, float z)
Modifies the current matrix by post-multiplying it with a rotation matrix of certain angle about a given axis
Parameters | |
---|---|
rot |
float : angle of rotation |
x |
float : rotation axis x |
y |
float : rotation axis y |
z |
float : rotation axis z |
public void scale (float x, float y)
Modifies the upper 2x2 of 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 |
public void scale (float x, float y, float z)
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 |
z |
float : scale component z |
public void set (int x, int y, float v)
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 |
v |
float |
public void translate (float x, float y)
Modifies the current matrix by post-multiplying it with a translation matrix of given dimensions
Parameters | |
---|---|
x |
float : translation component x |
y |
float : translation component y |
public void transpose ()
Sets the current matrix to its transpose