程序包 ohos.media.image

类 ExifUtils

java.lang.Object

ohos.media.image.ExifUtils

public class ExifUtils
extends Object

Provides methods to obtain a combination of Exchangeable Image File Format (Exif) properties, such as the longitude, latitude, and altitude.

从以下版本开始:

4

SystemCapability

SystemCapability.Multimedia#IMAGE

构造器概要

构造器

构造器	说明
ExifUtils()

方法概要

限定符和类型	方法	说明
static double	getAltitude(ImageSource imageSource, double defaultValue)	Obtains altitude information about the image in its Exif property.
static Pair<Float,Float>	getLatLong(ImageSource imageSource)	Obtains longitude and latitude information about the image in its Exif property.

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

ExifUtils

public ExifUtils()

方法详细资料

getLatLong

public static Pair<Float,Float> getLatLong(ImageSource imageSource)

Obtains longitude and latitude information about the image in its Exif property.

参数:

imageSource - Indicates the image data source.

返回:

Returns the Pair object containing the longitude and latitude information if the information exists; returns null otherwise. The f member of Pair indicates the latitude, and s indicates the longitude.

抛出:

IllegalStateException - Throws this exception if native resources associated with imageSource have been released.

IllegalArgumentException - Throws this exception if imageSource is null.

从以下版本开始:

4

getAltitude

public static double getAltitude(ImageSource imageSource,
                                 double defaultValue)

Obtains altitude information about the image in its Exif property.

参数:

imageSource - Indicates the image data source.

defaultValue - Indicates the custom default value of the property.

返回:

Returns the altitude information if it exists; returns the custom default value otherwise.

抛出:

IllegalStateException - Throws this exception if native resources associated with imageSource have been released.

IllegalArgumentException - Throws this exception if imageSource is null.

从以下版本开始:

4