1e41f4b71Sopenharmony_ci# image_receiver_mdk.h 2e41f4b71Sopenharmony_ci 3e41f4b71Sopenharmony_ci 4e41f4b71Sopenharmony_ci## 概述 5e41f4b71Sopenharmony_ci 6e41f4b71Sopenharmony_ci声明从native层获取图片数据的方法。 7e41f4b71Sopenharmony_ci 8e41f4b71Sopenharmony_ci**库**：libimage_receiver_ndk.z.so 9e41f4b71Sopenharmony_ci 10e41f4b71Sopenharmony_ci**引用文件**：<multimedia/image_framework/image_receiver_mdk.h> 11e41f4b71Sopenharmony_ci 12e41f4b71Sopenharmony_ci**起始版本：** 10 13e41f4b71Sopenharmony_ci 14e41f4b71Sopenharmony_ci**相关模块：** [Image](image.md) 15e41f4b71Sopenharmony_ci 16e41f4b71Sopenharmony_ci 17e41f4b71Sopenharmony_ci## 汇总 18e41f4b71Sopenharmony_ci 19e41f4b71Sopenharmony_ci 20e41f4b71Sopenharmony_ci### 结构体 21e41f4b71Sopenharmony_ci 22e41f4b71Sopenharmony_ci| 名称 | 描述 | 23e41f4b71Sopenharmony_ci| -------- | -------- | 24e41f4b71Sopenharmony_ci| struct [OhosImageReceiverInfo](_ohos_image_receiver_info.md) | 定义**ImageReceiver**的相关信息。 | 25e41f4b71Sopenharmony_ci 26e41f4b71Sopenharmony_ci 27e41f4b71Sopenharmony_ci### 类型定义 28e41f4b71Sopenharmony_ci 29e41f4b71Sopenharmony_ci| 名称 | 描述 | 30e41f4b71Sopenharmony_ci| -------- | -------- | 31e41f4b71Sopenharmony_ci| typedef struct ImageReceiverNative_ [ImageReceiverNative](image.md#imagereceivernative) | 用于定义ImageReceiverNative数据类型名称。 | 32e41f4b71Sopenharmony_ci| 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。 | 33e41f4b71Sopenharmony_ci 34e41f4b71Sopenharmony_ci 35e41f4b71Sopenharmony_ci### 函数 36e41f4b71Sopenharmony_ci 37e41f4b71Sopenharmony_ci| 名称 | 描述 | 38e41f4b71Sopenharmony_ci| -------- | -------- | 39e41f4b71Sopenharmony_ci| 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。 | 40e41f4b71Sopenharmony_ci| [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。 | 41e41f4b71Sopenharmony_ci| 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。 | 42e41f4b71Sopenharmony_ci| 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。 | 43e41f4b71Sopenharmony_ci| 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。 | 44e41f4b71Sopenharmony_ci| 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。 | 45e41f4b71Sopenharmony_ci| 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。 | 46e41f4b71Sopenharmony_ci| 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。 | 47e41f4b71Sopenharmony_ci| 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。 | 48e41f4b71Sopenharmony_ci| 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。 | 49