程序包 ohos.media.image.common

类 ImageFormat

java.lang.Object

ohos.media.image.common.ImageFormat

public final class ImageFormat
extends Object

Defines the image format and provides interfaces for obtaining image format information.

This class defines how image data is organized and represented, and provides interfaces for obtaining the number of image format components and bits per pixel adopted by a format.

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SystemCapability

SystemCapability.Multimedia#IMAGE

嵌套类概要

嵌套类

限定符和类型	类	说明
static class	ImageFormat.ComponentType	Describes the component type of encoding formats.

字段概要

字段

限定符和类型	字段	说明
static int	H264	Indicates the H264 encoding format.
static int	H265	Indicates the H265 encoding format.
static int	JPEG	Indicates the JPEG encoding format.
static int	NV21	Indicates the YUV420 format with NV21 encoding.
static int	RAW10	Indicates the RAW10 format with 10 bits per component.
static int	RAW16	Indicates the RAW10 format with 16 bits per component.
static int	UNKNOWN	Indicates an unknown encoding format.
static int	YUV420_888	Indicates the generic YUV420 format with 8 bits per component (Y, U, and V).

方法概要

限定符和类型	方法	说明
static int	getBitsNumberPerPixel(int format)	Obtains the number of bits per pixel of the specified image format.
static int	getComponentNumber(int format)	Obtains the number of components of a specified image format.

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

H264

public static final int H264

Indicates the H264 encoding format.

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另请参阅:

常量字段值

H265

public static final int H265

Indicates the H265 encoding format.

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5

另请参阅:

常量字段值

JPEG

public static final int JPEG

Indicates the JPEG encoding format.

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1

另请参阅:

常量字段值

NV21

public static final int NV21

Indicates the YUV420 format with NV21 encoding.

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另请参阅:

常量字段值

RAW10

public static final int RAW10

Indicates the RAW10 format with 10 bits per component.

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另请参阅:

常量字段值

RAW16

public static final int RAW16

Indicates the RAW10 format with 16 bits per component.

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另请参阅:

常量字段值

UNKNOWN

public static final int UNKNOWN

Indicates an unknown encoding format.

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1

另请参阅:

常量字段值

YUV420_888

public static final int YUV420_888

Indicates the generic YUV420 format with 8 bits per component (Y, U, and V).

从以下版本开始:

1

另请参阅:

常量字段值

方法详细资料

getBitsNumberPerPixel

public static int getBitsNumberPerPixel(int format)

Obtains the number of bits per pixel of the specified image format.

参数:

format - Indicates an image format.

返回:

Returns the number of bits per pixel.

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getComponentNumber

public static int getComponentNumber(int format)

Obtains the number of components of a specified image format.

参数:

format - Indicates an image format.

返回:

Returns the number of components.

从以下版本开始:

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