1# native_image.h 2 3 4## 概述 5 6定义获取和使用NativeImage的相关函数 7 8**库：** libnative_image.so 9 10**起始版本：** 9 11 12**相关模块：**[OH_NativeImage](_o_h___native_image.md) 13 14 15## 汇总 16 17 18### 结构体 19 20| 名称 | 描述 | 21| -------- | -------- | 22| [OH_OnFrameAvailableListener](_o_h___on_frame_available_listener.md) | 一个OH_NativeImage的监听者，通过OH_NativeImage_SetOnFrameAvailableListener接口注册， 该监听结构体当有帧可用时，将触发回调 | 23 24 25### 类型定义 26 27| 名称 | 描述 | 28| -------- | -------- | 29| [OH_NativeImage](_o_h___native_image.md#oh_nativeimage) | 提供OH_NativeImage结构体声明 | 30| [OHNativeWindow](_o_h___native_image.md#ohnativewindow) | 提供对NativeWindow的访问功能 | 31| [OH_OnFrameAvailable](_o_h___native_image.md#oh_onframeavailable) | 有buffer可获取时触发的回调函数 | 32| [OH_OnFrameAvailableListener](_o_h___native_image.md#oh_onframeavailablelistener) | 一个OH_NativeImage的监听者，通过OH_NativeImage_SetOnFrameAvailableListener接口注册， 该监听结构体当有帧可用时，将触发回调 | 33 34 35### 函数 36 37| 名称 | 描述 | 38| -------- | -------- | 39| [OH_NativeImage_Create](_o_h___native_image.md#oh_nativeimage_create) (uint32_t textureId, uint32_t textureTarget) | 创建一个**OH_NativeImage**实例，该实例与OpenGL ES的纹理ID和纹理目标相关联 | 40| [OH_NativeImage_AcquireNativeWindow](_o_h___native_image.md#oh_nativeimage_acquirenativewindow) ([OH_NativeImage](_o_h___native_image.md#oh_nativeimage) \*image) | 获取与OH_NativeImage相关联的OHNativeWindow指针。该OHNativeWindow后续不再需要时需要调用<br/>OH_NativeWindow_DestroyNativeWindow释放 | 41| [OH_NativeImage_AttachContext](_o_h___native_image.md#oh_nativeimage_attachcontext) ([OH_NativeImage](_o_h___native_image.md#oh_nativeimage) \*image, uint32_t textureId) | 将OH_NativeImage实例附加到当前OpenGL ES上下文, 且该OpenGL ES纹理会绑定到<br/>GL_TEXTURE_EXTERNAL_OES, 并通过OH_NativeImage进行更新 | 42| [OH_NativeImage_DetachContext](_o_h___native_image.md#oh_nativeimage_detachcontext) ([OH_NativeImage](_o_h___native_image.md#oh_nativeimage) \*image) | 将OH_NativeImage实例从当前OpenGL ES上下文分离 | 43| [OH_NativeImage_UpdateSurfaceImage](_o_h___native_image.md#oh_nativeimage_updatesurfaceimage) ([OH_NativeImage](_o_h___native_image.md#oh_nativeimage) \*image) | 通过OH_NativeImage获取最新帧更新相关联的OpenGL ES纹理 | 44| [OH_NativeImage_GetTimestamp](_o_h___native_image.md#oh_nativeimage_gettimestamp) ([OH_NativeImage](_o_h___native_image.md#oh_nativeimage) \*image) | 获取最近调用OH_NativeImage_UpdateSurfaceImage的纹理图像的相关时间戳 | 45| [OH_NativeImage_GetTransformMatrix](_o_h___native_image.md#oh_nativeimage_gettransformmatrix) ([OH_NativeImage](_o_h___native_image.md#oh_nativeimage) \*image, float matrix[16]) | 获取最近调用OH_NativeImage_UpdateSurfaceImage的纹理图像的变化矩阵 | 46| [OH_NativeImage_GetSurfaceId](_o_h___native_image.md#oh_nativeimage_getsurfaceid) ([OH_NativeImage](_o_h___native_image.md#oh_nativeimage) \*image, uint64_t \*surfaceId) | 获取OH_NativeImage的surface编号 | 47| [OH_NativeImage_SetOnFrameAvailableListener](_o_h___native_image.md#oh_nativeimage_setonframeavailablelistener) ([OH_NativeImage](_o_h___native_image.md#oh_nativeimage) \*image, [OH_OnFrameAvailableListener](_o_h___on_frame_available_listener.md) listener) | 设置帧可用回调 | 48| [OH_NativeImage_UnsetOnFrameAvailableListener](_o_h___native_image.md#oh_nativeimage_unsetonframeavailablelistener) ([OH_NativeImage](_o_h___native_image.md#oh_nativeimage) \*image) | 取消设置帧可用回调 | 49| [OH_NativeImage_Destroy](_o_h___native_image.md#oh_nativeimage_destroy) ([OH_NativeImage](_o_h___native_image.md#oh_nativeimage) \*\*image) | 销毁通过OH_NativeImage_Create创建的**OH_NativeImage**实例, 销毁后该**OH_NativeImage**指针会被赋值为空 | 50