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**起始版本:** 9 109 11 12**相关模块:** 13 14[OH_NativeImage](_o_h___native_image.md) 15 16 17## 汇总 18 19 20### 类型定义 21 22| 类型名称 | 描述 | 23| -------- | -------- | 24| [OH_NativeImage](_o_h___native_image.md#oh_nativeimage) | 提供OH_NativeImage结构体声明 | 25| [OHNativeWindow](_o_h___native_image.md#ohnativewindow) | 提供对NativeWindow的访问功能 | 26 27 28### 函数 29 30| 函数名称 | 描述 | 31| -------- | -------- | 32| [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 | 33| [OH_NativeImage_AcquireNativeWindow](_o_h___native_image.md#oh_nativeimage_acquirenativewindow) (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 | 34| [OH_NativeImage_AttachContext](_o_h___native_image.md#oh_nativeimage_attachcontext) (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 | 35| [OH_NativeImage_DetachContext](_o_h___native_image.md#oh_nativeimage_detachcontext) (OH_NativeImage \*image) | 将OH_NativeImage实例从当前OpenGL ES上下文分离 | 36| [OH_NativeImage_UpdateSurfaceImage](_o_h___native_image.md#oh_nativeimage_updatesurfaceimage) (OH_NativeImage \*image) | 通过OH_NativeImage获取最新帧更新相关联的OpenGL ES纹理 | 37| [OH_NativeImage_GetTimestamp](_o_h___native_image.md#oh_nativeimage_gettimestamp) (OH_NativeImage \*image) | 获取最近调用OH_NativeImage_UpdateSurfaceImage的纹理图像的相关时间戳 | 38| [OH_NativeImage_GetTransformMatrix](_o_h___native_image.md#oh_nativeimage_gettransformmatrix) (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 | 39| [OH_NativeImage_Destroy](_o_h___native_image.md#oh_nativeimage_destroy) (OH_NativeImage \*\*image) | 销毁通过OH_NativeImage_Create创建的**OH_NativeImage**实例, 销毁后该<br/>**OH_NativeImage**指针会被赋值为空 | 40