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Added in API level 1

Summary: Ctors | Inherited Methods | [Expand All]

public class ComposeShader
extends Shader

java.lang.Object
	android.graphics.Shader
		android.graphics.ComposeShader

着色器的一个子类，它返回两个其他着色器的组合，并由 Xfermode子类组合。

Public constructors
`ComposeShader(Shader shaderA, Shader shaderB, Xfermode mode)` 创建一个新的组合着色器，给定着色器A，B和一个组合模式。
`ComposeShader(Shader shaderA, Shader shaderB, PorterDuff.Mode mode)` 创建一个新的组合着色器，给定着色器A，B和组合PorterDuff模式。

From class android.graphics.Shader

From class java.lang.Object

Added in API level 1

ComposeShader (Shader shaderA, 
                Shader shaderB, 
                Xfermode mode)

创建一个新的组合着色器，给定着色器A，B和一个组合模式。在应用模式时，将会将着色器A的结果作为其“dst”，并将着色器B的结果作为其“src”。

参数(Parameters)
`shaderA`	`Shader`: The colors from this shader are seen as the "dst" by the mode
`shaderB`	`Shader`: The colors from this shader are seen as the "src" by the mode
`mode`	`Xfermode`: The mode that combines the colors from the two shaders. If mode is null, then SRC_OVER is assumed.

Added in API level 1

ComposeShader (Shader shaderA, 
                Shader shaderB, 
                PorterDuff.Mode mode)

创建一个新的组合着色器，给定着色器A，B和组合PorterDuff模式。在应用模式时，将会将着色器A的结果作为其“dst”，并将着色器B的结果作为其“src”。

参数(Parameters)
`shaderA`	`Shader`: The colors from this shader are seen as the "dst" by the mode
`shaderB`	`Shader`: The colors from this shader are seen as the "src" by the mode
`mode`	`PorterDuff.Mode`: The PorterDuff mode that combines the colors from the two shaders.