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Added in API level 1

Summary: Ctors | Methods | Inherited Methods | [Expand All]

public static abstract class ShapeDrawable.ShaderFactory
extends Object

java.lang.Object
↳	android.graphics.drawable.ShapeDrawable.ShaderFactory

基类定义了一个工厂对象，每当drawable被调整大小（有一个新的宽度或高度）时被调用。它的resize（）方法返回一个相应的着色器，或者返回null。实现这个类，如果你想你的ShapeDrawable使用特殊Shader ，如LinearGradient 。

Public constructors
`ShapeDrawable.ShaderFactory()`

Public methods
`abstract Shader`	`resize(int width, int height)` 返回绘制Drawable时要绘制的着色器。

From class java.lang.Object

Added in API level 1

ShapeDrawable.ShaderFactory ()

Added in API level 1

Shader resize (int width, 
                int height)

返回绘制Drawable时要绘制的着色器。 Drawable的尺寸被传递，因为它们可能需要调整Shader的绘制配置。这由ShapeDrawable.setShape（）调用。

Parameters
`width`	`int`: the width of the Drawable being drawn
`height`	`int`: the heigh of the Drawable being drawn

Returns
`Shader`	the Shader to be drawn