1# image_receiver_mdk.h
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3
4## 概述
5
6声明从native层获取图片数据的方法。
7
8**库**：libimage_receiver_ndk.z.so
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10**引用文件**：<multimedia/image_framework/image_receiver_mdk.h>
11
12**起始版本：** 10
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14**相关模块：** [Image](image.md)
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16
17## 汇总
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19
20### 结构体
21
22| 名称 | 描述 |
23| -------- | -------- |
24| struct  [OhosImageReceiverInfo](_ohos_image_receiver_info.md) | 定义**ImageReceiver**的相关信息。  |
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26
27### 类型定义
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29| 名称 | 描述 |
30| -------- | -------- |
31| typedef struct ImageReceiverNative_ [ImageReceiverNative](image.md#imagereceivernative) | 用于定义ImageReceiverNative数据类型名称。  |
32| typedef void(\* [OH_Image_Receiver_On_Callback](image.md#oh_image_receiver_on_callback)) () | 定义native层图片的回调方法。  |
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34
35### 函数
36
37| 名称 | 描述 |
38| -------- | -------- |
39| int32_t [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| [ImageReceiverNative](image.md#imagereceivernative) \* [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| int32_t [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| int32_t [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| int32_t [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| int32_t [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| int32_t [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| int32_t [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| int32_t [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| int32_t [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。  |
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