程序包 ohos.agp.render.opengl

类 ETC1

java.lang.Object

ohos.agp.render.opengl.ETC1

public class ETC1
extends Object

Provides methods to operate on ETC1 textures.

从以下版本开始:

4

构造器概要

构造器

构造器	说明
ETC1()

方法概要

限定符和类型	方法	说明
static int	etc1GetEncodedDataSize(int width, int height)	This method is used to return encode data size.
static int	etc1PkmGetHeight(Buffer header)	This method is used to return pkm height.
static int	etc1PkmGetWidth(Buffer header)	This method is used to return pkm width.
static boolean	isValid(Buffer header)	This method is used to check whether the head is valid.

从类继承的方法 java.lang.Object

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

构造器详细资料

ETC1

public ETC1()

方法详细资料

isValid

public static boolean isValid(Buffer header)

This method is used to check whether the head is valid.

参数:

header - Indicates the Buffer header.

返回:

true or false.

从以下版本开始:

4

etc1PkmGetWidth

public static int etc1PkmGetWidth(Buffer header)

This method is used to return pkm width.

参数:

header - Indicates the Buffer header.

返回:

Returns a number describing the width.

从以下版本开始:

4

etc1PkmGetHeight

public static int etc1PkmGetHeight(Buffer header)

This method is used to return pkm height.

参数:

header - Indicates the Buffer header.

返回:

Returns a number describing the height.

从以下版本开始:

4

etc1GetEncodedDataSize

public static int etc1GetEncodedDataSize(int width,
                                         int height)

This method is used to return encode data size.

参数:

height - Indicates the encoded data width.

width - Indicates the encoded data height.

返回:

Returns a number describing the encoded data size.

从以下版本开始:

4