1# image_receiver_mdk.h 2 3 4## 概述 5 6声明从native层获取图片数据的方法。 7 8**起始版本：** 9 1010 11 12**相关模块：** 13 14[Image](image.md) 15 16 17## 汇总 18 19 20### 结构体 21 22| 名称 | 描述 | 23| -------- | -------- | 24| [OhosImageReceiverInfo](_ohos_image_receiver_info.md) | 定义**ImageReceiver**的相关信息。 | 25 26 27### 类型定义 28 29| 名称 | 描述 | 30| -------- | -------- | 31| [ImageReceiverNative](image.md#imagereceivernative) | 用于定义ImageReceiverNative数据类型名称。 | 32| (\*[OH_Image_Receiver_On_Callback](image.md#oh_image_receiver_on_callback)) () | 定义native层图片的回调方法。 | 33 34 35### 函数 36 37| 名称 | 描述 | 38| -------- | -------- | 39| [OH_Image_Receiver_CreateImageReceiver](image.md#oh_image_receiver_createimagereceiver) (napi_env env, struct [OhosImageReceiverInfo](_ohos_image_receiver_info.md) info, napi_value \*res) | 创建应用层 **ImageReceiver** 对象。 | 40| [OH_Image_Receiver_InitImageReceiverNative](image.md#oh_image_receiver_initimagereceivernative) (napi_env env, napi_value source) | 通过应用层**ImageReceiver**对象初始化native层[ImageReceiverNative](image.md#imagereceivernative)对象。 | 41| [OH_Image_Receiver_GetReceivingSurfaceId](image.md#oh_image_receiver_getreceivingsurfaceid) (const [ImageReceiverNative](image.md#imagereceivernative) \*native, char \*id, size_t len) | 通过[ImageReceiverNative](image.md#imagereceivernative)获取receiver的id。 | 42| [OH_Image_Receiver_ReadLatestImage](image.md#oh_image_receiver_readlatestimage) (const [ImageReceiverNative](image.md#imagereceivernative) \*native, napi_value \*image) | 通过[ImageReceiverNative](image.md#imagereceivernative)获取最新的一张图片。 | 43| [OH_Image_Receiver_ReadNextImage](image.md#oh_image_receiver_readnextimage) (const [ImageReceiverNative](image.md#imagereceivernative) \*native, napi_value \*image) | 通过[ImageReceiverNative](image.md#imagereceivernative)获取下一张图片。 | 44| [OH_Image_Receiver_On](image.md#oh_image_receiver_on) (const [ImageReceiverNative](image.md#imagereceivernative) \*native, [OH_Image_Receiver_On_Callback](image.md#oh_image_receiver_on_callback) callback) | 注册一个[OH_Image_Receiver_On_Callback](image.md#oh_image_receiver_on_callback)回调事件。每当接收新图片，该回调事件就会响应。 | 45| [OH_Image_Receiver_GetSize](image.md#oh_image_receiver_getsize) (const [ImageReceiverNative](image.md#imagereceivernative) \*native, struct [OhosImageSize](_ohos_image_size.md) \*size) | 通过[ImageReceiverNative](image.md#imagereceivernative)获取**ImageReceiver**的大小。 | 46| [OH_Image_Receiver_GetCapacity](image.md#oh_image_receiver_getcapacity) (const [ImageReceiverNative](image.md#imagereceivernative) \*native, int32_t \*capacity) | 通过[ImageReceiverNative](image.md#imagereceivernative)获取**ImageReceiver**的容量。 | 47| [OH_Image_Receiver_GetFormat](image.md#oh_image_receiver_getformat) (const [ImageReceiverNative](image.md#imagereceivernative) \*native, int32_t \*format) | 通过[ImageReceiverNative](image.md#imagereceivernative)获取**ImageReceiver**的格式。 | 48| [OH_Image_Receiver_Release](image.md#oh_image_receiver_release) ([ImageReceiverNative](image.md#imagereceivernative) \*native) | 释放native层 [ImageReceiverNative](image.md#imagereceivernative) 对象。 | 49