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Shader

public class Shader
extends Object

java.lang.Object
↳	android.graphics.Shader

Known direct subclasses

BitmapShader, ComposeShader, LinearGradient, RadialGradient, SweepGradient

BitmapShader	Shader used to draw a bitmap as a texture.
ComposeShader	A subclass of shader that returns the composition of two other shaders, combined by an `Xfermode` subclass.
LinearGradient
RadialGradient
SweepGradient

Shader is the base class for objects that return horizontal spans of colors during drawing. A subclass of Shader is installed in a Paint calling paint.setShader(shader). After that any object (other than a bitmap) that is drawn with that paint will get its color(s) from the shader.

Summary

Nested classes
`enum`	`Shader.TileMode`

Public constructors
`Shader()` This constructor is deprecated. Use subclass constructors directly instead.

Public methods
`boolean`	`getLocalMatrix(Matrix localM)` Return true if the shader has a non-identity local matrix.
`void`	`setLocalMatrix(Matrix localM)` Set the shader's local matrix.

Inherited methods

From class


        
          java.lang.Object

`Object`	`clone()` Creates and returns a copy of this object.
`boolean`	`equals(Object obj)` Indicates whether some other object is "equal to" this one.
`void`	`finalize()` Called by the garbage collector on an object when garbage collection determines that there are no more references to the object.
`final Class<?>`	`getClass()` Returns the runtime class of this `Object`.
`int`	`hashCode()` Returns a hash code value for the object.
`final void`	`notify()` Wakes up a single thread that is waiting on this object's monitor.
`final void`	`notifyAll()` Wakes up all threads that are waiting on this object's monitor.
`String`	`toString()` Returns a string representation of the object.
`final void`	`wait(long timeout, int nanos)` Causes the current thread to wait until another thread invokes the `notify()` method or the `notifyAll()` method for this object, or some other thread interrupts the current thread, or a certain amount of real time has elapsed.
`final void`	`wait(long timeout)` Causes the current thread to wait until either another thread invokes the `notify()` method or the `notifyAll()` method for this object, or a specified amount of time has elapsed.
`final void`	`wait()` Causes the current thread to wait until another thread invokes the `notify()` method or the `notifyAll()` method for this object.

Public constructors

Shader

public Shader ()

This constructor is deprecated.
Use subclass constructors directly instead.

Public methods

getLocalMatrix

public boolean getLocalMatrix (Matrix localM)

Return true if the shader has a non-identity local matrix.

Parameters
`localM`	`Matrix`: Set to the local matrix of the shader, if the shader's matrix is non-null. This value cannot be `null`.

Returns
`boolean`	true if the shader has a non-identity local matrix

setLocalMatrix

public void setLocalMatrix (Matrix localM)

Set the shader's local matrix. Passing null will reset the shader's matrix to identity. If the matrix has scale value as 0, the drawing result is undefined.

Parameters
`localM`	`Matrix`: The shader's new local matrix, or null to specify identity This value may be `null`.

Interfaces

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Shader

Summary

Nested classes

Public constructors

Public methods

Inherited methods

Public constructors

Shader

Public methods

getLocalMatrix

setLocalMatrix