程序包 ohos.agp.render

类 Shader

java.lang.Object

ohos.agp.render.Shader

直接已知子类:

GroupShader, LinearShader, PixelMapShader, RadialShader, SweepShader

public abstract class Shader
extends Object

Base class used to shade colors during drawing.

This class creates a shader based on the specified TileMode, colors, and shading area. The created shader shades colors on a drawn object.

从以下版本开始:

3

嵌套类概要

嵌套类

限定符和类型	类	说明
static class	Shader.TileMode	Specifies how to shade colors on the part outside of the shading area defined by the Shader.

字段概要

字段

限定符和类型	字段	说明
int[]	intColors	Indicates the int values representing the shading colors of this shader.
protected int	mTileMode	Indicates the tileMode attribute of the current Shader object.
Color[]	shaderColors	Indicates the array of shading colors of this shader.

构造器概要

构造器

构造器	说明
Shader(Color[] colors, Shader.TileMode newTileMode)	A parameterized constructor used to create a Shader instance.

方法概要

限定符和类型	方法	说明
Color[]	getShaderColors()	Obtains the array of shading colors of this Shader.
Shader.TileMode	getTileMode()	Obtains the TileMode attribute of this Shader.
void	setShaderMatrix(Matrix matrix)	Set shader's matrix.

从类继承的方法 java.lang.Object

clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait

字段详细资料

intColors

public int[] intColors

Indicates the int values representing the shading colors of this shader. The shading colors passed in the constructor will be converted into int values, which are saved in intColors for other methods to use.

从以下版本开始:

3

mTileMode

protected int mTileMode

Indicates the tileMode attribute of the current Shader object.

从以下版本开始:

3

shaderColors

public Color[] shaderColors

Indicates the array of shading colors of this shader.

从以下版本开始:

3

构造器详细资料

Shader

public Shader(Color[] colors,
              Shader.TileMode newTileMode)

A parameterized constructor used to create a Shader instance.

This constructor stores the input array of shading colors and the tile mode in the Shader attributes. The array of shading colors will be converted into int values for other methods to use.

参数:

colors - Indicates the array of shading colors.

newTileMode - Indicates the tile mode used to shade colors when the drawn object exceeds the shading area defined by the shader.

从以下版本开始:

3

方法详细资料

getTileMode

public Shader.TileMode getTileMode()

Obtains the TileMode attribute of this Shader.

The tile mode specifies how to shade colors on the part outside of the shading area defined by the shader. The tile mode can be TileMode#CLAMP_TILEMODE, TileMode#REPEAT_TILEMODE, or TileMode#MIRROR_TILEMODE.

返回:

Returns the tile mode of the shader.

从以下版本开始:

3

getShaderColors

public Color[] getShaderColors()

Obtains the array of shading colors of this Shader.

返回:

Returns the Shader#shaderColors of the Shader.

从以下版本开始:

3

setShaderMatrix

public void setShaderMatrix(Matrix matrix)

Set shader's matrix.

Clean the native shader object if the param is null or identity.

参数:

matrix - Indicates the local matrix need to be set.

从以下版本开始:

3