openharmony 鸿蒙 capi-image-nativemodule-oh-imagereceivernative

2026-08-25 浏览 (1)

OH_ImageReceiverNative

struct OH_ImageReceiverNative 

概述

OH_ImageReceiverNative是native层封装的图片接收器结构体,OH_ImageReceiverNative结构体不可直接操作,而是采用函数调用方式创建、释放结构体以及操作具体字段。

创建OH_ImageReceiverNative对象使用OH_ImageReceiverNative_Create函数。

释放OH_ImageReceiverNative对象使用OH_ImageReceiverNative_Release函数。

OH_ImageReceiverNative结构体内容和操作方式如下:

字段类型字段名称字段描述操作函数函数描述
uint64_tsurfaceId接收器的surfaceIdOH_ImageReceiverNative_GetReceivingSurfaceId通过OH_ImageReceiverNative获取SurfaceId。
OH_ImageNativeimagenative层的imageOH_ImageReceiverNative_ReadLatestImage通过OH_ImageReceiverNative获取最新的一张图片。
OH_ImageNativeimagenative层的imageOH_ImageReceiverNative_ReadNextImage通过OH_ImageReceiverNative获取下一张图片。
OH_ImageReceiver_OnCallbackcallback图片接收器回调函数OH_ImageReceiverNative_On注册一个OH_ImageReceiver_OnCallback回调事件。
OH_ImageReceiver_OnCallbackcallback图片接收器回调函数OH_ImageReceiverNative_Off关闭OH_ImageReceiver_OnCallback回调事件。
Image_SizesizeImageReceiver的大小OH_ImageReceiverNative_GetSize通过OH_ImageReceiverNative获取ImageReceiver的大小。
int32_tcapacity图片接收器容量OH_ImageReceiverNative_GetCapacity通过OH_ImageReceiverNative获取ImageReceiver的容量。

起始版本: 12

相关模块: Image_NativeModule

所在头文件: image_receiver_native.h

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