1e41f4b71Sopenharmony_ci# NativeWindow
2e41f4b71Sopenharmony_ci
3e41f4b71Sopenharmony_ci
4e41f4b71Sopenharmony_ci## 概述
5e41f4b71Sopenharmony_ci
6e41f4b71Sopenharmony_ci提供NativeWindow功能,作为数据生产者,可用来和egl对接。
7e41f4b71Sopenharmony_ci
8e41f4b71Sopenharmony_ci**系统能力:** SystemCapability.Graphic.Graphic2D.NativeWindow
9e41f4b71Sopenharmony_ci
10e41f4b71Sopenharmony_ci**起始版本:** 8
11e41f4b71Sopenharmony_ci
12e41f4b71Sopenharmony_ci
13e41f4b71Sopenharmony_ci## 汇总
14e41f4b71Sopenharmony_ci
15e41f4b71Sopenharmony_ci
16e41f4b71Sopenharmony_ci### 文件
17e41f4b71Sopenharmony_ci
18e41f4b71Sopenharmony_ci| 名称 | 描述 | 
19e41f4b71Sopenharmony_ci| -------- | -------- |
20e41f4b71Sopenharmony_ci| [external_window.h](external__window_8h.md) | 定义获取和使用NativeWindow的相关函数。 | 
21e41f4b71Sopenharmony_ci
22e41f4b71Sopenharmony_ci
23e41f4b71Sopenharmony_ci### 结构体
24e41f4b71Sopenharmony_ci
25e41f4b71Sopenharmony_ci| 名称 | 描述 | 
26e41f4b71Sopenharmony_ci| -------- | -------- |
27e41f4b71Sopenharmony_ci| struct  [Region](_region.md) | 表示本地窗口OHNativeWindow需要更新内容的矩形区域(脏区)。 | 
28e41f4b71Sopenharmony_ci| struct  [OHHDRMetaData](_o_h_h_d_r_meta_data.md) | HDR元数据结构体定义。<br/>**弃用:** 从API version 10开始废弃,不再提供替代接口。 | 
29e41f4b71Sopenharmony_ci| struct  [OHExtDataHandle](_o_h_ext_data_handle.md) | 扩展数据句柄结构体定义。<br/>**弃用:** 从API version 10开始废弃,不再提供替代接口。 | 
30e41f4b71Sopenharmony_ci
31e41f4b71Sopenharmony_ci
32e41f4b71Sopenharmony_ci### 类型定义
33e41f4b71Sopenharmony_ci
34e41f4b71Sopenharmony_ci| 名称 | 描述 | 
35e41f4b71Sopenharmony_ci| -------- | -------- |
36e41f4b71Sopenharmony_ci| typedef struct [OHIPCParcel](#ohipcparcel) [OHIPCParcel](#ohipcparcel) | 提供对IPC序列化对象的访问功能。 | 
37e41f4b71Sopenharmony_ci| typedef struct NativeWindow [OHNativeWindow](#ohnativewindow) | 提供对OHNativeWindow的访问功能。 | 
38e41f4b71Sopenharmony_ci| typedef struct NativeWindowBuffer [OHNativeWindowBuffer](#ohnativewindowbuffer) | 提供对OHNativeWindowBuffer的访问功能。 | 
39e41f4b71Sopenharmony_ci| typedef struct [Region](_region.md)  [Region](#region) | 表示本地窗口OHNativeWindow需要更新内容的矩形区域(脏区)。 | 
40e41f4b71Sopenharmony_ci| typedef enum [OHNativeErrorCode](#ohnativeerrorcode)  [OHNativeErrorCode](#ohnativeerrorcode) | 接口错误码说明(仅用于查询)。  | 
41e41f4b71Sopenharmony_ci| typedef enum [NativeWindowOperation](#nativewindowoperation)  [NativeWindowOperation](#nativewindowoperation) | OH_NativeWindow_NativeWindowHandleOpt函数中的操作码。  | 
42e41f4b71Sopenharmony_ci| typedef enum [OHScalingModeV2](#ohscalingmodev2)  [OHScalingModeV2](#ohscalingmodev2) | 渲染缩放模式枚举。  | 
43e41f4b71Sopenharmony_ci| typedef enum [OHSurfaceSource](#ohsurfacesource)  [OHSurfaceSource](#ohsurfacesource) | 本地窗口内容来源类型枚举。 | 
44e41f4b71Sopenharmony_ci
45e41f4b71Sopenharmony_ci### 枚举
46e41f4b71Sopenharmony_ci
47e41f4b71Sopenharmony_ci| 名称 | 描述 | 
48e41f4b71Sopenharmony_ci| -------- | -------- |
49e41f4b71Sopenharmony_ci| [NativeWindowOperation](#nativewindowoperation-1) {<br/>SET_BUFFER_GEOMETRY, GET_BUFFER_GEOMETRY, GET_FORMAT, SET_FORMAT,<br/>GET_USAGE, SET_USAGE, SET_STRIDE, GET_STRIDE,<br/>SET_SWAP_INTERVAL, GET_SWAP_INTERVAL, SET_TIMEOUT, GET_TIMEOUT,<br/>SET_COLOR_GAMUT, GET_COLOR_GAMUT, SET_TRANSFORM, GET_TRANSFORM,<br/>SET_UI_TIMESTAMP, GET_BUFFERQUEUE_SIZE, SET_SOURCE_TYPE, GET_SOURCE_TYPE,<br/>SET_APP_FRAMEWORK_TYPE, GET_APP_FRAMEWORK_TYPE, SET_HDR_WHITE_POINT_BRIGHTNESS, SET_SDR_WHITE_POINT_BRIGHTNESS,<br/>SET_DESIRED_PRESENT_TIMESTAMP = 24<br/>} | OH_NativeWindow_NativeWindowHandleOpt函数中的操作码。 |
50e41f4b71Sopenharmony_ci| [OHScalingMode](#ohscalingmode) { OH_SCALING_MODE_FREEZE = 0, OH_SCALING_MODE_SCALE_TO_WINDOW, OH_SCALING_MODE_SCALE_CROP, OH_SCALING_MODE_NO_SCALE_CROP } | 缩放模式Scaling Mode。<br/>**弃用:** 从API version 10开始废弃,不再提供替代接口。 | 
51e41f4b71Sopenharmony_ci| [OHScalingModeV2](#ohscalingmodev2-1) {<br/>OH_SCALING_MODE_FREEZE_V2 = 0, OH_SCALING_MODE_SCALE_TO_WINDOW_V2, OH_SCALING_MODE_SCALE_CROP_V2, OH_SCALING_MODE_NO_SCALE_CROP_V2,<br/>OH_SCALING_MODE_SCALE_FIT_V2<br/>} | 渲染缩放模式枚举。  | 
52e41f4b71Sopenharmony_ci| [OHHDRMetadataKey](#ohhdrmetadatakey) {<br/>OH_METAKEY_RED_PRIMARY_X = 0, OH_METAKEY_RED_PRIMARY_Y = 1, OH_METAKEY_GREEN_PRIMARY_X = 2, OH_METAKEY_GREEN_PRIMARY_Y = 3,<br/>OH_METAKEY_BLUE_PRIMARY_X = 4, OH_METAKEY_BLUE_PRIMARY_Y = 5, OH_METAKEY_WHITE_PRIMARY_X = 6, OH_METAKEY_WHITE_PRIMARY_Y = 7,<br/>OH_METAKEY_MAX_LUMINANCE = 8, OH_METAKEY_MIN_LUMINANCE = 9, OH_METAKEY_MAX_CONTENT_LIGHT_LEVEL = 10, OH_METAKEY_MAX_FRAME_AVERAGE_LIGHT_LEVEL = 11,<br/>OH_METAKEY_HDR10_PLUS = 12, OH_METAKEY_HDR_VIVID = 13<br/>} | 枚举HDR元数据关键字。<br/>**弃用:** 从API version 10开始废弃,不再提供替代接口。 | 
53e41f4b71Sopenharmony_ci| [OHNativeErrorCode](#ohnativeerrorcode-1) {<br/>NATIVE_ERROR_OK = 0, NATIVE_ERROR_INVALID_ARGUMENTS = 40001000, NATIVE_ERROR_NO_PERMISSION = 40301000, NATIVE_ERROR_NO_BUFFER = 40601000,<br/>NATIVE_ERROR_NO_CONSUMER = 41202000, NATIVE_ERROR_NOT_INIT = 41203000, NATIVE_ERROR_CONSUMER_CONNECTED = 41206000, NATIVE_ERROR_BUFFER_STATE_INVALID = 41207000,<br/>NATIVE_ERROR_BUFFER_IN_CACHE = 41208000, NATIVE_ERROR_BUFFER_QUEUE_FULL = 41209000, NATIVE_ERROR_BUFFER_NOT_IN_CACHE = 41210000,NATIVE_ERROR_CONSUMER_DISCONNECTED = 41211000,NATIVE_ERROR_CONSUMER_NO_LISTENER_REGISTERED = 41212000, NATIVE_ERROR_UNSUPPORTED = 50102000,<br/>NATIVE_ERROR_UNKNOWN = 50002000, NATIVE_ERROR_HDI_ERROR = 50007000,NATIVE_ERROR_BINDER_ERROR = 50401000,NATIVE_ERROR_EGL_STATE_UNKNOWN = 60001000, NATIVE_ERROR_EGL_API_FAILED = 60002000<br/>} | 接口错误码说明(仅用于查询)。  | 
54e41f4b71Sopenharmony_ci| [OHSurfaceSource](#ohsurfacesource-1) {<br/>OH_SURFACE_SOURCE_DEFAULT = 0, OH_SURFACE_SOURCE_UI, OH_SURFACE_SOURCE_GAME, OH_SURFACE_SOURCE_CAMERA,OH_SURFACE_SOURCE_VIDEO<br/>} | 本地窗口内容来源类型枚举。 | 
55e41f4b71Sopenharmony_ci
56e41f4b71Sopenharmony_ci### 函数
57e41f4b71Sopenharmony_ci
58e41f4b71Sopenharmony_ci| 名称 | 描述 | 
59e41f4b71Sopenharmony_ci| -------- | -------- |
60e41f4b71Sopenharmony_ci| [OHNativeWindow](#ohnativewindow) \* [OH_NativeWindow_CreateNativeWindow](#oh_nativewindow_createnativewindow) (void \*pSurface) | 创建OHNativeWindow实例,每次调用都会产生一个新的OHNativeWindow实例。 说明:此接口不可用,可通过**OH_NativeImage_AcquireNativeWindow**创建,或通过XComponent创建。 | 
61e41f4b71Sopenharmony_ci| void [OH_NativeWindow_DestroyNativeWindow](#oh_nativewindow_destroynativewindow) ([OHNativeWindow](#ohnativewindow) \*window) | 将OHNativeWindow对象的引用计数减1,当引用计数为0的时候,该OHNativeWindow对象会被析构掉。 | 
62e41f4b71Sopenharmony_ci| [OHNativeWindowBuffer](#ohnativewindowbuffer) \* [OH_NativeWindow_CreateNativeWindowBufferFromSurfaceBuffer](#oh_nativewindow_createnativewindowbufferfromsurfacebuffer) (void \*pSurfaceBuffer) | 创建OHNativeWindowBuffer实例,每次调用都会产生一个新的OHNativeWindowBuffer实例。 此接口从API version 12开始废弃,使用[OH_NativeWindow_CreateNativeWindowBufferFromNativeBuffer](#oh_nativewindow_createnativewindowbufferfromnativebuffer)替代。 | 
63e41f4b71Sopenharmony_ci| [OHNativeWindowBuffer](#ohnativewindowbuffer) \* [OH_NativeWindow_CreateNativeWindowBufferFromNativeBuffer](#oh_nativewindow_createnativewindowbufferfromnativebuffer) (OH_NativeBuffer \*nativeBuffer) | 创建OHNativeWindowBuffer实例,每次调用都会产生一个新的OHNativeWindowBuffer实例。 | 
64e41f4b71Sopenharmony_ci| void [OH_NativeWindow_DestroyNativeWindowBuffer](#oh_nativewindow_destroynativewindowbuffer) ([OHNativeWindowBuffer](#ohnativewindowbuffer) \*buffer) | 将OHNativeWindowBuffer对象的引用计数减1,当引用计数为0的时候,该OHNativeWindowBuffer对象会被析构掉。 | 
65e41f4b71Sopenharmony_ci| int32_t [OH_NativeWindow_NativeWindowRequestBuffer](#oh_nativewindow_nativewindowrequestbuffer) ([OHNativeWindow](#ohnativewindow) \*window, [OHNativeWindowBuffer](#ohnativewindowbuffer) \*\*buffer, int \*fenceFd) | 通过OHNativeWindow对象申请一块OHNativeWindowBuffer,用以内容生产。 | 
66e41f4b71Sopenharmony_ci| int32_t [OH_NativeWindow_NativeWindowFlushBuffer](#oh_nativewindow_nativewindowflushbuffer) ([OHNativeWindow](#ohnativewindow) \*window, [OHNativeWindowBuffer](#ohnativewindowbuffer) \*buffer, int fenceFd, [Region](_region.md) region) | 通过OHNativeWindow将生产好内容的OHNativeWindowBuffer放回到Buffer队列中,用以内容消费。 | 
67e41f4b71Sopenharmony_ci| int32_t [OH_NativeWindow_GetLastFlushedBuffer](#oh_nativewindow_getlastflushedbuffer) ([OHNativeWindow](#ohnativewindow) \*window, [OHNativeWindowBuffer](#ohnativewindowbuffer) \*\*buffer, int \*fenceFd, float matrix[16]) | 从OHNativeWindow获取上次送回到buffer队列中的OHNativeWindowBuffer。 | 
68e41f4b71Sopenharmony_ci| int32_t [OH_NativeWindow_NativeWindowAbortBuffer](#oh_nativewindow_nativewindowabortbuffer) ([OHNativeWindow](#ohnativewindow) \*window, [OHNativeWindowBuffer](#ohnativewindowbuffer) \*buffer) | 通过OHNativeWindow将之前申请出来的OHNativeWindowBuffer返还到Buffer队列中,供下次再申请。 | 
69e41f4b71Sopenharmony_ci| int32_t [OH_NativeWindow_NativeWindowHandleOpt](#oh_nativewindow_nativewindowhandleopt) ([OHNativeWindow](#ohnativewindow) \*window, int code,...) | 设置/获取OHNativeWindow的属性,包括设置/获取宽高、内容格式等。 | 
70e41f4b71Sopenharmony_ci| BufferHandle \* [OH_NativeWindow_GetBufferHandleFromNative](#oh_nativewindow_getbufferhandlefromnative) ([OHNativeWindowBuffer](#ohnativewindowbuffer) \*buffer) | 通过OHNativeWindowBuffer获取该buffer的BufferHandle指针。 | 
71e41f4b71Sopenharmony_ci| int32_t [OH_NativeWindow_NativeObjectReference](#oh_nativewindow_nativeobjectreference) (void \*obj) | 增加一个NativeObject的引用计数。 | 
72e41f4b71Sopenharmony_ci| int32_t [OH_NativeWindow_NativeObjectUnreference](#oh_nativewindow_nativeobjectunreference) (void \*obj) | 减少一个NativeObject的引用计数,当引用计数减少为0时,该NativeObject将被析构掉。 | 
73e41f4b71Sopenharmony_ci| int32_t [OH_NativeWindow_GetNativeObjectMagic](#oh_nativewindow_getnativeobjectmagic) (void \*obj) | 获取NativeObject的MagicId。 | 
74e41f4b71Sopenharmony_ci| int32_t [OH_NativeWindow_NativeWindowSetScalingMode](#oh_nativewindow_nativewindowsetscalingmode) ([OHNativeWindow](#ohnativewindow) \*window, uint32_t sequence, [OHScalingMode](#ohscalingmode) scalingMode) | 设置OHNativeWindow的ScalingMode。<br/>**弃用:** 从API version 10开始废弃,不再提供替代接口。 | 
75e41f4b71Sopenharmony_ci| int32_t [OH_NativeWindow_NativeWindowSetMetaData](#oh_nativewindow_nativewindowsetmetadata) ([OHNativeWindow](#ohnativewindow) \*window, uint32_t sequence, int32_t size, const [OHHDRMetaData](_o_h_h_d_r_meta_data.md) \*metaData) | 设置OHNativeWindow的元数据。<br/>**弃用:** 从API version 10开始废弃,不再提供替代接口。 | 
76e41f4b71Sopenharmony_ci| int32_t [OH_NativeWindow_NativeWindowSetMetaDataSet](#oh_nativewindow_nativewindowsetmetadataset) ([OHNativeWindow](#ohnativewindow) \*window, uint32_t sequence, [OHHDRMetadataKey](#ohhdrmetadatakey) key, int32_t size, const uint8_t \*metaData) | 设置OHNativeWindow的元数据集。<br/>**弃用:** 从API version 10开始废弃,不再提供替代接口。 | 
77e41f4b71Sopenharmony_ci| int32_t [OH_NativeWindow_NativeWindowSetTunnelHandle](#oh_nativewindow_nativewindowsettunnelhandle) ([OHNativeWindow](#ohnativewindow) \*window, const [OHExtDataHandle](_o_h_ext_data_handle.md) \*handle) | 设置OHNativeWindow的TunnelHandle。<br/>**弃用:** 从API version 10开始废弃,不再提供替代接口。 | 
78e41f4b71Sopenharmony_ci| int32_t [OH_NativeWindow_NativeWindowAttachBuffer](#oh_nativewindow_nativewindowattachbuffer) ([OHNativeWindow](#ohnativewindow) \*window, [OHNativeWindowBuffer](#ohnativewindowbuffer) \*buffer) | 将OHNativeWindowBuffer添加进OHNativeWindow中。 | 
79e41f4b71Sopenharmony_ci| int32_t [OH_NativeWindow_NativeWindowDetachBuffer](#oh_nativewindow_nativewindowdetachbuffer) ([OHNativeWindow](#ohnativewindow) \*window, [OHNativeWindowBuffer](#ohnativewindowbuffer) \*buffer) | 将OHNativeWindowBuffer从OHNativeWindow中分离。 | 
80e41f4b71Sopenharmony_ci| int32_t [OH_NativeWindow_GetSurfaceId](#oh_nativewindow_getsurfaceid) ([OHNativeWindow](#ohnativewindow) \*window, uint64_t \*surfaceId) | 通过OHNativeWindow获取对应的surfaceId。 | 
81e41f4b71Sopenharmony_ci| int32_t [OH_NativeWindow_CreateNativeWindowFromSurfaceId](#oh_nativewindow_createnativewindowfromsurfaceid) (uint64_t surfaceId, [OHNativeWindow](#ohnativewindow) \*\*window) | 通过surfaceId创建对应的OHNativeWindow。 | 
82e41f4b71Sopenharmony_ci| int32_t [OH_NativeWindow_NativeWindowSetScalingModeV2](#oh_nativewindow_nativewindowsetscalingmodev2)  ([OHNativeWindow](#ohnativewindow) \*window, [OHScalingModeV2](#ohscalingmodev2) scalingMode) | 设置OHNativeWindow的渲染缩放模式。  |
83e41f4b71Sopenharmony_ci| int32_t [OH_NativeWindow_GetLastFlushedBufferV2](#oh_nativewindow_getlastflushedbufferv2) ([OHNativeWindow](#ohnativewindow) \*window, [OHNativeWindowBuffer](#ohnativewindowbuffer) \*\*buffer, int \*fenceFd, float matrix[16]) | 从OHNativeWindow获取上次送回到buffer队列中的OHNativeWindowBuffer, 与OH_NativeWindow_GetLastFlushedBuffer的差异在于matrix不同。  | 
84e41f4b71Sopenharmony_ci| void [OH_NativeWindow_SetBufferHold](#oh_nativewindow_setbufferhold) ([OHNativeWindow](#ohnativewindow) \*window) | 提前缓存一帧buffer,且缓存的这一帧延迟一帧上屏显示,以此抵消后续一次超长帧丢帧。  | 
85e41f4b71Sopenharmony_ci| int32_t [OH_NativeWindow_WriteToParcel](#oh_nativewindow_writetoparcel) ([OHNativeWindow](#ohnativewindow) \*window, [OHIPCParcel](#ohipcparcel) \*parcel) | 将窗口对象写入IPC序列化对象中。 | 
86e41f4b71Sopenharmony_ci| int32_t [OH_NativeWindow_ReadFromParcel](#oh_nativewindow_readfromparcel) ([OHIPCParcel](#ohipcparcel) \*parcel, [OHNativeWindow](#ohnativewindow) \*\*window) | 从IPC序列化对象中读取窗口对象。 | 
87e41f4b71Sopenharmony_ci| int32_t [OH_NativeWindow_SetColorSpace](#oh_nativewindow_setcolorspace) ([OHNativeWindow](#ohnativewindow) \*window, [OH_NativeBuffer_ColorSpace](_o_h___native_buffer.md#oh_nativebuffer_colorspace) colorSpace) | 为OHNativeWindow设置颜色空间属性。 | 
88e41f4b71Sopenharmony_ci| int32_t [OH_NativeWindow_GetColorSpace](#oh_nativewindow_getcolorspace) ([OHNativeWindow](#ohnativewindow) \*window, [OH_NativeBuffer_ColorSpace](_o_h___native_buffer.md#oh_nativebuffer_colorspace) \*colorSpace) | 获取OHNativeWindow颜色空间属性。 | 
89e41f4b71Sopenharmony_ci| int32_t [OH_NativeWindow_SetMetadataValue](#oh_nativewindow_setmetadatavalue) ([OHNativeWindow](#ohnativewindow) \*window, [OH_NativeBuffer_MetadataKey](_o_h___native_buffer.md#oh_nativebuffer_metadatakey) metadataKey, int32_t size, uint8_t \*metaData) | 为OHNativeWindow设置元数据属性值。 | 
90e41f4b71Sopenharmony_ci| int32_t [OH_NativeWindow_GetMetadataValue](#oh_nativewindow_getmetadatavalue) ([OHNativeWindow](#ohnativewindow) \*window, [OH_NativeBuffer_MetadataKey](_o_h___native_buffer.md#oh_nativebuffer_metadatakey) metadataKey, int32_t \*size, uint8_t \*\*metaData) | 获取OHNativeWindow元数据属性值。 | 
91e41f4b71Sopenharmony_ci
92e41f4b71Sopenharmony_ci## 类型定义说明
93e41f4b71Sopenharmony_ci
94e41f4b71Sopenharmony_ci### OHSurfaceSource
95e41f4b71Sopenharmony_ci
96e41f4b71Sopenharmony_ci```
97e41f4b71Sopenharmony_citypedef enum OHSurfaceSource OHSurfaceSource
98e41f4b71Sopenharmony_ci```
99e41f4b71Sopenharmony_ci
100e41f4b71Sopenharmony_ci**描述**
101e41f4b71Sopenharmony_ci
102e41f4b71Sopenharmony_ci本地窗口内容来源类型枚举。
103e41f4b71Sopenharmony_ci
104e41f4b71Sopenharmony_ci**起始版本:** 12
105e41f4b71Sopenharmony_ci
106e41f4b71Sopenharmony_ci### OHIPCParcel
107e41f4b71Sopenharmony_ci
108e41f4b71Sopenharmony_ci```
109e41f4b71Sopenharmony_citypedef struct OHIPCParcel OHIPCParcel
110e41f4b71Sopenharmony_ci```
111e41f4b71Sopenharmony_ci
112e41f4b71Sopenharmony_ci**描述**
113e41f4b71Sopenharmony_ci
114e41f4b71Sopenharmony_ci提供对IPC序列化对象的访问功能。
115e41f4b71Sopenharmony_ci
116e41f4b71Sopenharmony_ci**起始版本:** 12
117e41f4b71Sopenharmony_ci
118e41f4b71Sopenharmony_ci### NativeWindowOperation
119e41f4b71Sopenharmony_ci
120e41f4b71Sopenharmony_ci```
121e41f4b71Sopenharmony_citypedef enum NativeWindowOperation NativeWindowOperation
122e41f4b71Sopenharmony_ci```
123e41f4b71Sopenharmony_ci
124e41f4b71Sopenharmony_ci**描述**
125e41f4b71Sopenharmony_ci
126e41f4b71Sopenharmony_ciOH_NativeWindow_NativeWindowHandleOpt函数中的操作码。
127e41f4b71Sopenharmony_ci
128e41f4b71Sopenharmony_ci**起始版本:** 8
129e41f4b71Sopenharmony_ci
130e41f4b71Sopenharmony_ci### OHNativeErrorCode
131e41f4b71Sopenharmony_ci
132e41f4b71Sopenharmony_ci```
133e41f4b71Sopenharmony_citypedef enum OHNativeErrorCode OHNativeErrorCode
134e41f4b71Sopenharmony_ci```
135e41f4b71Sopenharmony_ci
136e41f4b71Sopenharmony_ci**描述**
137e41f4b71Sopenharmony_ci
138e41f4b71Sopenharmony_ci接口错误码说明(仅用于查询)。
139e41f4b71Sopenharmony_ci
140e41f4b71Sopenharmony_ci**起始版本:** 12
141e41f4b71Sopenharmony_ci
142e41f4b71Sopenharmony_ci
143e41f4b71Sopenharmony_ci### OHNativeWindow
144e41f4b71Sopenharmony_ci
145e41f4b71Sopenharmony_ci```
146e41f4b71Sopenharmony_citypedef struct NativeWindow OHNativeWindow
147e41f4b71Sopenharmony_ci```
148e41f4b71Sopenharmony_ci
149e41f4b71Sopenharmony_ci**描述**
150e41f4b71Sopenharmony_ci
151e41f4b71Sopenharmony_ci提供对OHNativeWindow的访问功能。
152e41f4b71Sopenharmony_ci
153e41f4b71Sopenharmony_ci**起始版本:** 8
154e41f4b71Sopenharmony_ci
155e41f4b71Sopenharmony_ci
156e41f4b71Sopenharmony_ci### OHNativeWindowBuffer
157e41f4b71Sopenharmony_ci
158e41f4b71Sopenharmony_ci```
159e41f4b71Sopenharmony_citypedef struct NativeWindowBuffer OHNativeWindowBuffer
160e41f4b71Sopenharmony_ci```
161e41f4b71Sopenharmony_ci
162e41f4b71Sopenharmony_ci**描述**
163e41f4b71Sopenharmony_ci
164e41f4b71Sopenharmony_ci提供对OHNativeWindowBuffer的访问功能。
165e41f4b71Sopenharmony_ci
166e41f4b71Sopenharmony_ci**起始版本:** 8
167e41f4b71Sopenharmony_ci
168e41f4b71Sopenharmony_ci### OHScalingModeV2
169e41f4b71Sopenharmony_ci
170e41f4b71Sopenharmony_ci```
171e41f4b71Sopenharmony_citypedef enum OHScalingModeV2 OHScalingModeV2
172e41f4b71Sopenharmony_ci```
173e41f4b71Sopenharmony_ci**描述**
174e41f4b71Sopenharmony_ci
175e41f4b71Sopenharmony_ci渲染缩放模式枚举。
176e41f4b71Sopenharmony_ci
177e41f4b71Sopenharmony_ci**起始版本:** 12
178e41f4b71Sopenharmony_ci
179e41f4b71Sopenharmony_ci
180e41f4b71Sopenharmony_ci
181e41f4b71Sopenharmony_ci### Region
182e41f4b71Sopenharmony_ci
183e41f4b71Sopenharmony_ci```
184e41f4b71Sopenharmony_citypedef struct Region Region
185e41f4b71Sopenharmony_ci```
186e41f4b71Sopenharmony_ci
187e41f4b71Sopenharmony_ci**描述**
188e41f4b71Sopenharmony_ci
189e41f4b71Sopenharmony_ci表示本地窗口OHNativeWindow需要更新内容的矩形区域(脏区)。
190e41f4b71Sopenharmony_ci
191e41f4b71Sopenharmony_ci**起始版本:** 8
192e41f4b71Sopenharmony_ci
193e41f4b71Sopenharmony_ci
194e41f4b71Sopenharmony_ci## 枚举类型说明
195e41f4b71Sopenharmony_ci
196e41f4b71Sopenharmony_ci### OHSurfaceSource
197e41f4b71Sopenharmony_ci
198e41f4b71Sopenharmony_ci```
199e41f4b71Sopenharmony_cienum OHSurfaceSource
200e41f4b71Sopenharmony_ci```
201e41f4b71Sopenharmony_ci
202e41f4b71Sopenharmony_ci**描述**
203e41f4b71Sopenharmony_ci
204e41f4b71Sopenharmony_ci本地窗口内容来源类型枚举。
205e41f4b71Sopenharmony_ci
206e41f4b71Sopenharmony_ci**起始版本:** 12
207e41f4b71Sopenharmony_ci
208e41f4b71Sopenharmony_ci| 枚举值 | 描述 | 
209e41f4b71Sopenharmony_ci| -------- | -------- |
210e41f4b71Sopenharmony_ci| OH_SURFACE_SOURCE_DEFAULT | 窗口内容默认来源。 | 
211e41f4b71Sopenharmony_ci| OH_SURFACE_SOURCE_UI | 窗口内容来自于UI。 |
212e41f4b71Sopenharmony_ci| OH_SURFACE_SOURCE_GAME | 窗口内容来自于游戏。 |
213e41f4b71Sopenharmony_ci| OH_SURFACE_SOURCE_CAMERA | 窗口内容来自于相机。 |
214e41f4b71Sopenharmony_ci| OH_SURFACE_SOURCE_VIDEO | 窗口内容来自于视频。 |
215e41f4b71Sopenharmony_ci
216e41f4b71Sopenharmony_ci### OHNativeErrorCode
217e41f4b71Sopenharmony_ci
218e41f4b71Sopenharmony_ci```
219e41f4b71Sopenharmony_cienum OHNativeErrorCode
220e41f4b71Sopenharmony_ci```
221e41f4b71Sopenharmony_ci**描述**
222e41f4b71Sopenharmony_ci
223e41f4b71Sopenharmony_ci接口错误码说明(仅用于查询)。
224e41f4b71Sopenharmony_ci
225e41f4b71Sopenharmony_ci**起始版本:** 12
226e41f4b71Sopenharmony_ci
227e41f4b71Sopenharmony_ci| 枚举值 | 描述 | 
228e41f4b71Sopenharmony_ci| -------- | -------- |
229e41f4b71Sopenharmony_ci| NATIVE_ERROR_OK  | 成功   | 
230e41f4b71Sopenharmony_ci| NATIVE_ERROR_INVALID_ARGUMENTS  | 入参无效   | 
231e41f4b71Sopenharmony_ci| NATIVE_ERROR_NO_PERMISSION  | 无权限操作   | 
232e41f4b71Sopenharmony_ci| NATIVE_ERROR_NO_BUFFER  | 无空闲可用的buffer   | 
233e41f4b71Sopenharmony_ci| NATIVE_ERROR_NO_CONSUMER  | 消费端不存在   | 
234e41f4b71Sopenharmony_ci| NATIVE_ERROR_NOT_INIT  | 未初始化   | 
235e41f4b71Sopenharmony_ci| NATIVE_ERROR_CONSUMER_CONNECTED  | 消费端已经被连接   | 
236e41f4b71Sopenharmony_ci| NATIVE_ERROR_BUFFER_STATE_INVALID  | buffer状态不符合预期   | 
237e41f4b71Sopenharmony_ci| NATIVE_ERROR_BUFFER_IN_CACHE  | buffer已在缓存队列中   | 
238e41f4b71Sopenharmony_ci| NATIVE_ERROR_BUFFER_QUEUE_FULL  | 队列已满   | 
239e41f4b71Sopenharmony_ci| NATIVE_ERROR_BUFFER_NOT_IN_CACHE  | buffer不在缓存队列中   | 
240e41f4b71Sopenharmony_ci| NATIVE_ERROR_CONSUMER_DISCONNECTED | 消费端已经被断开连接 |
241e41f4b71Sopenharmony_ci| NATIVE_ERROR_CONSUMER_NO_LISTENER_REGISTERED | 消费端未注册listener回调函数 |
242e41f4b71Sopenharmony_ci| NATIVE_ERROR_UNSUPPORTED  | 当前设备或平台不支持   | 
243e41f4b71Sopenharmony_ci| NATIVE_ERROR_UNKNOWN  | 未知错误,请查看日志   | 
244e41f4b71Sopenharmony_ci| NATIVE_ERROR_HDI_ERROR  | HDI接口调用失败   | 
245e41f4b71Sopenharmony_ci| NATIVE_ERROR_BINDER_ERROR  | 跨进程通信失败   | 
246e41f4b71Sopenharmony_ci| NATIVE_ERROR_EGL_STATE_UNKNOWN  | egl环境状态异常   | 
247e41f4b71Sopenharmony_ci| NATIVE_ERROR_EGL_API_FAILED  | egl接口调用失败   | 
248e41f4b71Sopenharmony_ci
249e41f4b71Sopenharmony_ci
250e41f4b71Sopenharmony_ci### NativeWindowOperation
251e41f4b71Sopenharmony_ci
252e41f4b71Sopenharmony_ci```
253e41f4b71Sopenharmony_cienum NativeWindowOperation
254e41f4b71Sopenharmony_ci```
255e41f4b71Sopenharmony_ci
256e41f4b71Sopenharmony_ci**描述**
257e41f4b71Sopenharmony_ci
258e41f4b71Sopenharmony_ciOH_NativeWindow_NativeWindowHandleOpt函数中的操作码。
259e41f4b71Sopenharmony_ci
260e41f4b71Sopenharmony_ci**起始版本:** 8
261e41f4b71Sopenharmony_ci
262e41f4b71Sopenharmony_ci| 枚举值 | 描述 | 
263e41f4b71Sopenharmony_ci| -------- | -------- |
264e41f4b71Sopenharmony_ci| SET_BUFFER_GEOMETRY | 设置本地窗口缓冲区几何图形, 函数中的可变参数是 [输入] int32_t width,[输入] int32_t height。 | 
265e41f4b71Sopenharmony_ci| GET_BUFFER_GEOMETRY | 获取本地窗口缓冲区几何图形, 函数中的可变参数是 [输出] int32_t \*height, [输出] int32_t \*width。 | 
266e41f4b71Sopenharmony_ci| GET_FORMAT | 获取本地窗口缓冲区格式, 函数中的可变参数是 [输出] int32_t \*format,取值具体可见[OH_NativeBuffer_Format](_o_h___native_buffer.md#oh_nativebuffer_format-1)枚举值。 | 
267e41f4b71Sopenharmony_ci| SET_FORMAT | 设置本地窗口缓冲区格式, 函数中的可变参数是 [输入] int32_t format,取值具体可见[OH_NativeBuffer_Format](_o_h___native_buffer.md#oh_nativebuffer_format-1)枚举值。 | 
268e41f4b71Sopenharmony_ci| GET_USAGE | 获取本地窗口读写方式, 函数中的可变参数是 [输出] uint64_t \*usage,取值具体可见[OH_NativeBuffer_Usage](_o_h___native_buffer.md#oh_nativebuffer_usage-1)枚举值。 | 
269e41f4b71Sopenharmony_ci| SET_USAGE | 设置本地窗口缓冲区读写方式, 函数中的可变参数是 [输入] uint64_t usage,取值具体可见[OH_NativeBuffer_Usage](_o_h___native_buffer.md#oh_nativebuffer_usage-1)枚举值。 | 
270e41f4b71Sopenharmony_ci| SET_STRIDE | 设置本地窗口缓冲区步幅, 函数中的可变参数是 [输入] int32_t stride。 | 
271e41f4b71Sopenharmony_ci| GET_STRIDE | 获取本地窗口缓冲区步幅, 函数中的可变参数是 [输出] int32_t \*stride。 | 
272e41f4b71Sopenharmony_ci| SET_SWAP_INTERVAL | 设置本地窗口缓冲区交换间隔, 函数中的可变参数是 [输入] int32_t interval。 | 
273e41f4b71Sopenharmony_ci| GET_SWAP_INTERVAL | 获取本地窗口缓冲区交换间隔, 函数中的可变参数是 [输出] int32_t \*interval。 | 
274e41f4b71Sopenharmony_ci| SET_TIMEOUT | 设置请求本地窗口缓冲区的超时等待时间, 函数中的可变参数是 [输入] int32_t timeout。 | 
275e41f4b71Sopenharmony_ci| GET_TIMEOUT | 获取请求本地窗口缓冲区的超时等待时间, 函数中的可变参数是 [输出] int32_t \*timeout。 | 
276e41f4b71Sopenharmony_ci| SET_COLOR_GAMUT | 设置本地窗口缓冲区色彩空间, 函数中的可变参数是 [输入] int32_t colorGamut,取值具体可见[OH_NativeBuffer_ColorGamut](_o_h___native_buffer.md#oh_nativebuffer_colorgamut-1)枚举值。 | 
277e41f4b71Sopenharmony_ci| GET_COLOR_GAMUT | 获取本地窗口缓冲区色彩空间, 函数中的可变参数是 [out int32_t \*colorGamut],取值具体可见[OH_NativeBuffer_ColorGamut](_o_h___native_buffer.md#oh_nativebuffer_colorgamut-1)枚举值。 | 
278e41f4b71Sopenharmony_ci| SET_TRANSFORM | 设置本地窗口缓冲区变换, 函数中的可变参数是 [输入] int32_t transform,取值具体可见[OH_NativeBuffer_TransformType](_o_h___native_buffer.md#oh_nativebuffer_transformtype-1)枚举值。  | 
279e41f4b71Sopenharmony_ci| GET_TRANSFORM | 获取本地窗口缓冲区变换, 函数中的可变参数是 [输出] int32_t \*transform,取值具体可见[OH_NativeBuffer_TransformType](_o_h___native_buffer.md#oh_nativebuffer_transformtype-1)枚举值。  | 
280e41f4b71Sopenharmony_ci| SET_UI_TIMESTAMP | 设置本地窗口缓冲区UI时间戳, 函数中的可变参数是 [输入] uint64_t uiTimestamp。 | 
281e41f4b71Sopenharmony_ci| GET_BUFFERQUEUE_SIZE<sup>12+</sup> | 获取内存队列大小, 函数中的可变参数是 [输出] int32_t \*size. | 
282e41f4b71Sopenharmony_ci| SET_SOURCE_TYPE<sup>12+</sup> | 设置本地窗口内容来源, 函数中的可变参数是 [输入] int32_t sourceType, 取值具体可见[OHSurfaceSource](#ohsurfacesource)枚举值。 | 
283e41f4b71Sopenharmony_ci| GET_SOURCE_TYPE<sup>12+</sup> | 获取本地窗口内容来源, 函数中的可变参数是 [输出] int32_t \*sourceType, 取值具体可见[OHSurfaceSource](#ohsurfacesource)枚举值。 | 
284e41f4b71Sopenharmony_ci| SET_APP_FRAMEWORK_TYPE<sup>12+</sup> | 设置本地窗口应用框架名称, 函数中的可变参数是 [输入] char\* frameworkType, 最大支持64字节。 | 
285e41f4b71Sopenharmony_ci| GET_APP_FRAMEWORK_TYPE<sup>12+</sup> | 获取本地窗口应用框架名称, 函数中的可变参数是 [输出] char\* frameworkType。 | 
286e41f4b71Sopenharmony_ci| SET_HDR_WHITE_POINT_BRIGHTNESS<sup>12+</sup> | 设置HDR白点亮度, 函数中的可变参数是 [输入] float brightness. 取值范围为[0.0f, 1.0f]。 | 
287e41f4b71Sopenharmony_ci| SET_SDR_WHITE_POINT_BRIGHTNESS<sup>12+</sup> | 设置SDR白点亮度, 函数中的可变参数是 [输入] float brightness. 取值范围为[0.0f, 1.0f]。 | 
288e41f4b71Sopenharmony_ci| SET_DESIRED_PRESENT_TIMESTAMP<sup>14+</sup> | 设置本地窗口缓冲区期望上屏时间的时间戳。 当且仅当RenderService为本地窗口的消费者时,该时间戳生效。 本操作执行后需要配合调用[OH_NativeWindow_NativeWindowFlushBuffer](#oh_nativewindow_nativewindowflushbuffer)生效。 生产者下一次放入队列的buffer,达到该期望上屏时间后,才会被RenderService消费并上屏。 如果buffer队列中存在多个生产者放入的buffer,都设置了desiredPresentTimestamp并已达到期望上屏时间,则较早入队的buffer将被消费者丢弃回队列。 如果期望上屏时间大于消费者提供的时间 1 秒以上,则该期望上屏时间戳将被忽略。 函数中的可变参数是 [输入] int64_t desiredPresentTimestamp,取值范围大于0,应由std::chrono::steady_clock标准库时钟生成,且单位为纳秒。 | 
289e41f4b71Sopenharmony_ci
290e41f4b71Sopenharmony_ci### OHHDRMetadataKey
291e41f4b71Sopenharmony_ci
292e41f4b71Sopenharmony_ci```
293e41f4b71Sopenharmony_cienum OHHDRMetadataKey
294e41f4b71Sopenharmony_ci```
295e41f4b71Sopenharmony_ci
296e41f4b71Sopenharmony_ci**描述**
297e41f4b71Sopenharmony_ci
298e41f4b71Sopenharmony_ci枚举HDR元数据关键字。
299e41f4b71Sopenharmony_ci
300e41f4b71Sopenharmony_ci**起始版本:** 9
301e41f4b71Sopenharmony_ci
302e41f4b71Sopenharmony_ci**弃用:** 从API version 10开始废弃,不再提供替代接口。
303e41f4b71Sopenharmony_ci
304e41f4b71Sopenharmony_ci| 枚举值 | 描述 | 
305e41f4b71Sopenharmony_ci| -------- | -------- |
306e41f4b71Sopenharmony_ci| OH_METAKEY_RED_PRIMARY_X | 红基色X坐标。 | 
307e41f4b71Sopenharmony_ci| OH_METAKEY_RED_PRIMARY_Y | 红基色Y坐标。 | 
308e41f4b71Sopenharmony_ci| OH_METAKEY_GREEN_PRIMARY_X | 绿基色X坐标。 | 
309e41f4b71Sopenharmony_ci| OH_METAKEY_GREEN_PRIMARY_Y | 绿基色Y坐标。 | 
310e41f4b71Sopenharmony_ci| OH_METAKEY_BLUE_PRIMARY_X | 蓝基色X坐标。 | 
311e41f4b71Sopenharmony_ci| OH_METAKEY_BLUE_PRIMARY_Y | 蓝基色Y坐标。 | 
312e41f4b71Sopenharmony_ci| OH_METAKEY_WHITE_PRIMARY_X | 白点X坐标。 | 
313e41f4b71Sopenharmony_ci| OH_METAKEY_WHITE_PRIMARY_Y | 白点Y坐标。 | 
314e41f4b71Sopenharmony_ci| OH_METAKEY_MAX_LUMINANCE | 最大的光亮度。 | 
315e41f4b71Sopenharmony_ci| OH_METAKEY_MIN_LUMINANCE | 最小的光亮度。 | 
316e41f4b71Sopenharmony_ci| OH_METAKEY_MAX_CONTENT_LIGHT_LEVEL | 最大的内容亮度水平。 | 
317e41f4b71Sopenharmony_ci| OH_METAKEY_MAX_FRAME_AVERAGE_LIGHT_LEVEL | 最大的帧平均亮度水平。 | 
318e41f4b71Sopenharmony_ci| OH_METAKEY_HDR10_PLUS | HDR10 Plus。 | 
319e41f4b71Sopenharmony_ci| OH_METAKEY_HDR_VIVID | Vivid。 | 
320e41f4b71Sopenharmony_ci
321e41f4b71Sopenharmony_ci
322e41f4b71Sopenharmony_ci### OHScalingMode
323e41f4b71Sopenharmony_ci
324e41f4b71Sopenharmony_ci```
325e41f4b71Sopenharmony_cienum OHScalingMode
326e41f4b71Sopenharmony_ci```
327e41f4b71Sopenharmony_ci
328e41f4b71Sopenharmony_ci**描述**
329e41f4b71Sopenharmony_ci
330e41f4b71Sopenharmony_ci缩放模式 Scaling Mode。
331e41f4b71Sopenharmony_ci
332e41f4b71Sopenharmony_ci**起始版本:** 9
333e41f4b71Sopenharmony_ci
334e41f4b71Sopenharmony_ci**弃用:** 从API version 10开始废弃,不再提供替代接口。
335e41f4b71Sopenharmony_ci
336e41f4b71Sopenharmony_ci| 枚举值 | 描述 | 
337e41f4b71Sopenharmony_ci| -------- | -------- |
338e41f4b71Sopenharmony_ci| OH_SCALING_MODE_FREEZE | 在接收到窗口大小的缓冲区之前,不可以更新窗口内容。 | 
339e41f4b71Sopenharmony_ci| OH_SCALING_MODE_SCALE_TO_WINDOW | 缓冲区在二维中缩放以匹配窗口大小。 | 
340e41f4b71Sopenharmony_ci| OH_SCALING_MODE_SCALE_CROP | 缓冲区被统一缩放,使得缓冲区的较小尺寸与窗口大小匹配。 | 
341e41f4b71Sopenharmony_ci| OH_SCALING_MODE_NO_SCALE_CROP | 窗口被裁剪为缓冲区裁剪矩形的大小,裁剪矩形之外的像素被视为完全透明。 | 
342e41f4b71Sopenharmony_ci
343e41f4b71Sopenharmony_ci
344e41f4b71Sopenharmony_ci### OHScalingModeV2
345e41f4b71Sopenharmony_ci
346e41f4b71Sopenharmony_ci```
347e41f4b71Sopenharmony_cienum OHScalingModeV2
348e41f4b71Sopenharmony_ci```
349e41f4b71Sopenharmony_ci**描述**
350e41f4b71Sopenharmony_ci渲染缩放模式枚举。
351e41f4b71Sopenharmony_ci
352e41f4b71Sopenharmony_ci**起始版本:** 12
353e41f4b71Sopenharmony_ci
354e41f4b71Sopenharmony_ci| 枚举值 | 描述 | 
355e41f4b71Sopenharmony_ci| -------- | -------- |
356e41f4b71Sopenharmony_ci| OH_SCALING_MODE_FREEZE_V2  | 冻结窗口,在接收到和窗口大小相等的缓冲区之前,窗口内容不进行更新。 | 
357e41f4b71Sopenharmony_ci| OH_SCALING_MODE_SCALE_TO_WINDOW_V2  | 缓冲区进行拉伸缩放以匹配窗口大小。| 
358e41f4b71Sopenharmony_ci| OH_SCALING_MODE_SCALE_CROP_V2  | 缓冲区按原比例缩放,使得缓冲区的较小边与窗口匹配, 较长边超出窗口部分被视为透明。 | 
359e41f4b71Sopenharmony_ci| OH_SCALING_MODE_NO_SCALE_CROP_V2  | 按窗口大小将缓冲区裁剪,裁剪矩形之外的像素被视为完全透明。 | 
360e41f4b71Sopenharmony_ci| OH_SCALING_MODE_SCALE_FIT_V2  | 缓冲区按原比例缩放。优先显示所有缓冲区内容。 如果比例与窗口比例不同,用背景颜色填充窗口的未填充区域。<!--Del-->开发板和<!--DelEnd-->模拟器不支持该模式。| 
361e41f4b71Sopenharmony_ci
362e41f4b71Sopenharmony_ci
363e41f4b71Sopenharmony_ci## 函数说明
364e41f4b71Sopenharmony_ci
365e41f4b71Sopenharmony_ci### OH_NativeWindow_SetColorSpace()
366e41f4b71Sopenharmony_ci
367e41f4b71Sopenharmony_ci```
368e41f4b71Sopenharmony_ciint32_t OH_NativeWindow_SetColorSpace (OHNativeWindow *window, OH_NativeBuffer_ColorSpace colorSpace )
369e41f4b71Sopenharmony_ci```
370e41f4b71Sopenharmony_ci
371e41f4b71Sopenharmony_ci**描述**
372e41f4b71Sopenharmony_ci
373e41f4b71Sopenharmony_ci为OHNativeWindow设置颜色空间属性。
374e41f4b71Sopenharmony_ci本接口为非线程安全类型接口。
375e41f4b71Sopenharmony_ci
376e41f4b71Sopenharmony_ci**系统能力:** SystemCapability.Graphic.Graphic2D.NativeWindow
377e41f4b71Sopenharmony_ci
378e41f4b71Sopenharmony_ci**起始版本:** 12
379e41f4b71Sopenharmony_ci
380e41f4b71Sopenharmony_ci**参数:**
381e41f4b71Sopenharmony_ci
382e41f4b71Sopenharmony_ci| 名称 | 描述 | 
383e41f4b71Sopenharmony_ci| -------- | -------- |
384e41f4b71Sopenharmony_ci| window | 一个指向[OHNativeWindow](#ohnativewindow)的结构体实例的指针。 | 
385e41f4b71Sopenharmony_ci| colorSpace | 为OHNativeWindow设置的颜色空间,其值从[OH_NativeBuffer_ColorSpace](_o_h___native_buffer.md#oh_nativebuffer_colorspace)获取。 | 
386e41f4b71Sopenharmony_ci
387e41f4b71Sopenharmony_ci**返回:**
388e41f4b71Sopenharmony_ci
389e41f4b71Sopenharmony_ci返回值为0表示执行成功,其他返回值可参考[OHNativeErrorCode](_o_h___native_buffer.md#ohnativeerrorcode)。
390e41f4b71Sopenharmony_ci
391e41f4b71Sopenharmony_ci
392e41f4b71Sopenharmony_ci### OH_NativeWindow_SetMetadataValue()
393e41f4b71Sopenharmony_ci
394e41f4b71Sopenharmony_ci```
395e41f4b71Sopenharmony_ciint32_t OH_NativeWindow_SetMetadataValue (OHNativeWindow *window, OH_NativeBuffer_MetadataKey metadataKey, int32_t size, uint8_t * metaData )
396e41f4b71Sopenharmony_ci```
397e41f4b71Sopenharmony_ci
398e41f4b71Sopenharmony_ci**描述**
399e41f4b71Sopenharmony_ci
400e41f4b71Sopenharmony_ci为OHNativeWindow设置元数据属性值。
401e41f4b71Sopenharmony_ci本接口为非线程安全类型接口。
402e41f4b71Sopenharmony_ci
403e41f4b71Sopenharmony_ci**系统能力:** SystemCapability.Graphic.Graphic2D.NativeWindow
404e41f4b71Sopenharmony_ci
405e41f4b71Sopenharmony_ci**起始版本:** 12
406e41f4b71Sopenharmony_ci
407e41f4b71Sopenharmony_ci**参数:**
408e41f4b71Sopenharmony_ci
409e41f4b71Sopenharmony_ci| 名称 | 描述 | 
410e41f4b71Sopenharmony_ci| -------- | -------- |
411e41f4b71Sopenharmony_ci| window | 一个指向[OHNativeWindow](#ohnativewindow)的结构体实例的指针。 | 
412e41f4b71Sopenharmony_ci| metadataKey | OHNativeWindow的元数据类型,其值从[OH_NativeBuffer_MetadataKey](_o_h___native_buffer.md#oh_nativebuffer_metadatakey)获取。 | 
413e41f4b71Sopenharmony_ci| size | uint8_t向量的大小,其取值范围见[OH_NativeBuffer_MetadataKey](_o_h___native_buffer.md#oh_nativebuffer_metadatakey)。 | 
414e41f4b71Sopenharmony_ci| metaDate | 指向uint8_t向量的指针。 | 
415e41f4b71Sopenharmony_ci
416e41f4b71Sopenharmony_ci**返回:**
417e41f4b71Sopenharmony_ci
418e41f4b71Sopenharmony_ci返回值为0表示执行成功,其他返回值可参考[OHNativeErrorCode](_o_h___native_buffer.md#ohnativeerrorcode)。
419e41f4b71Sopenharmony_ci
420e41f4b71Sopenharmony_ci### OH_NativeWindow_GetColorSpace()
421e41f4b71Sopenharmony_ci
422e41f4b71Sopenharmony_ci```
423e41f4b71Sopenharmony_ciint32_t OH_NativeWindow_GetColorSpace (OHNativeWindow *window, OH_NativeBuffer_ColorSpace *colorSpace )
424e41f4b71Sopenharmony_ci```
425e41f4b71Sopenharmony_ci
426e41f4b71Sopenharmony_ci**描述**
427e41f4b71Sopenharmony_ci
428e41f4b71Sopenharmony_ci获取OHNativeWindow颜色空间属性。
429e41f4b71Sopenharmony_ci本接口为非线程安全类型接口。
430e41f4b71Sopenharmony_ci
431e41f4b71Sopenharmony_ci**系统能力:** SystemCapability.Graphic.Graphic2D.NativeWindow
432e41f4b71Sopenharmony_ci
433e41f4b71Sopenharmony_ci**起始版本:** 12
434e41f4b71Sopenharmony_ci
435e41f4b71Sopenharmony_ci**参数:**
436e41f4b71Sopenharmony_ci
437e41f4b71Sopenharmony_ci| 名称 | 描述 | 
438e41f4b71Sopenharmony_ci| -------- | -------- |
439e41f4b71Sopenharmony_ci| window | 一个指向[OHNativeWindow](#ohnativewindow)的结构体实例的指针。 | 
440e41f4b71Sopenharmony_ci| colorSpace | 为OHNativeWindow设置的颜色空间,其值从[OH_NativeBuffer_ColorSpace](_o_h___native_buffer.md#oh_nativebuffer_colorspace)获取。 | 
441e41f4b71Sopenharmony_ci
442e41f4b71Sopenharmony_ci**返回:**
443e41f4b71Sopenharmony_ci
444e41f4b71Sopenharmony_ci返回值为0表示执行成功,其他返回值可参考[OHNativeErrorCode](_o_h___native_buffer.md#ohnativeerrorcode)。
445e41f4b71Sopenharmony_ci
446e41f4b71Sopenharmony_ci
447e41f4b71Sopenharmony_ci### OH_NativeWindow_GetMetadataValue()
448e41f4b71Sopenharmony_ci
449e41f4b71Sopenharmony_ci```
450e41f4b71Sopenharmony_ciint32_t OH_NativeWindow_GetMetadataValue (OHNativeWindow *window, OH_NativeBuffer_MetadataKey metadataKey, int32_t *size, uint8_t **metaData )
451e41f4b71Sopenharmony_ci```
452e41f4b71Sopenharmony_ci
453e41f4b71Sopenharmony_ci**描述**
454e41f4b71Sopenharmony_ci
455e41f4b71Sopenharmony_ci获取OHNativeWindow元数据属性值。
456e41f4b71Sopenharmony_ci本接口为非线程安全类型接口。
457e41f4b71Sopenharmony_ci
458e41f4b71Sopenharmony_ci**系统能力:** SystemCapability.Graphic.Graphic2D.NativeWindow
459e41f4b71Sopenharmony_ci
460e41f4b71Sopenharmony_ci**起始版本:** 12
461e41f4b71Sopenharmony_ci
462e41f4b71Sopenharmony_ci**参数:**
463e41f4b71Sopenharmony_ci
464e41f4b71Sopenharmony_ci| 名称 | 描述 | 
465e41f4b71Sopenharmony_ci| -------- | -------- |
466e41f4b71Sopenharmony_ci| window | 一个指向[OHNativeWindow](#ohnativewindow)的结构体实例的指针。 | 
467e41f4b71Sopenharmony_ci| metadataKey | OHNativeWindow的元数据类型,其值从[OH_NativeBuffer_MetadataKey](_o_h___native_buffer.md#oh_nativebuffer_metadatakey)获取。 | 
468e41f4b71Sopenharmony_ci| size | uint8_t向量的大小,其取值范围见[OH_NativeBuffer_MetadataKey](_o_h___native_buffer.md#oh_nativebuffer_metadatakey)。 | 
469e41f4b71Sopenharmony_ci| metaDate | 指向uint8_t向量的二级指针。 | 
470e41f4b71Sopenharmony_ci
471e41f4b71Sopenharmony_ci**返回:**
472e41f4b71Sopenharmony_ci
473e41f4b71Sopenharmony_ci返回值为0表示执行成功,其他返回值可参考[OHNativeErrorCode](_o_h___native_buffer.md#ohnativeerrorcode)。
474e41f4b71Sopenharmony_ci
475e41f4b71Sopenharmony_ci
476e41f4b71Sopenharmony_ci### OH_NativeWindow_WriteToParcel()
477e41f4b71Sopenharmony_ci
478e41f4b71Sopenharmony_ci```
479e41f4b71Sopenharmony_ciint32_t OH_NativeWindow_WriteToParcel (OHNativeWindow *window, OHIPCParcel *parcel )
480e41f4b71Sopenharmony_ci```
481e41f4b71Sopenharmony_ci
482e41f4b71Sopenharmony_ci**描述**
483e41f4b71Sopenharmony_ci
484e41f4b71Sopenharmony_ci将窗口对象写入IPC序列化对象中。
485e41f4b71Sopenharmony_ci本接口为非线程安全类型接口。
486e41f4b71Sopenharmony_ci
487e41f4b71Sopenharmony_ci**系统能力:** SystemCapability.Graphic.Graphic2D.NativeWindow
488e41f4b71Sopenharmony_ci
489e41f4b71Sopenharmony_ci**起始版本:** 12
490e41f4b71Sopenharmony_ci
491e41f4b71Sopenharmony_ci**参数:**
492e41f4b71Sopenharmony_ci
493e41f4b71Sopenharmony_ci| 名称 | 描述 | 
494e41f4b71Sopenharmony_ci| -------- | -------- |
495e41f4b71Sopenharmony_ci| window | 一个指向[OHNativeWindow](#ohnativewindow)的结构体实例的指针。 | 
496e41f4b71Sopenharmony_ci| parcel | 一个指向[OHIPCParcel](#ohipcparcel)的结构体实例的指针。 | 
497e41f4b71Sopenharmony_ci
498e41f4b71Sopenharmony_ci**返回:**
499e41f4b71Sopenharmony_ci
500e41f4b71Sopenharmony_ci返回值为0表示执行成功,其他返回值可参考[OHNativeErrorCode](#ohnativeerrorcode)。
501e41f4b71Sopenharmony_ci
502e41f4b71Sopenharmony_ci
503e41f4b71Sopenharmony_ci### OH_NativeWindow_ReadFromParcel()
504e41f4b71Sopenharmony_ci
505e41f4b71Sopenharmony_ci```
506e41f4b71Sopenharmony_ciint32_t OH_NativeWindow_ReadFromParcel (OHIPCParcel *parcel, OHNativeWindow **window )
507e41f4b71Sopenharmony_ci```
508e41f4b71Sopenharmony_ci
509e41f4b71Sopenharmony_ci**描述**
510e41f4b71Sopenharmony_ci
511e41f4b71Sopenharmony_ci从IPC序列化对象中读取窗口对象。
512e41f4b71Sopenharmony_ci本接口为非线程安全类型接口。
513e41f4b71Sopenharmony_ci
514e41f4b71Sopenharmony_ci**系统能力:** SystemCapability.Graphic.Graphic2D.NativeWindow
515e41f4b71Sopenharmony_ci
516e41f4b71Sopenharmony_ci**起始版本:** 12
517e41f4b71Sopenharmony_ci
518e41f4b71Sopenharmony_ci**参数:**
519e41f4b71Sopenharmony_ci
520e41f4b71Sopenharmony_ci| 名称 | 描述 | 
521e41f4b71Sopenharmony_ci| -------- | -------- |
522e41f4b71Sopenharmony_ci| parcel | 一个指向[OHIPCParcel](#ohipcparcel)的结构体实例的指针。 | 
523e41f4b71Sopenharmony_ci| window | 一个指向[OHNativeWindow](#ohnativewindow)的结构体实例的二级指针。 | 
524e41f4b71Sopenharmony_ci
525e41f4b71Sopenharmony_ci**返回:**
526e41f4b71Sopenharmony_ci
527e41f4b71Sopenharmony_ci返回值为0表示执行成功,其他返回值可参考[OHNativeErrorCode](#ohnativeerrorcode)。
528e41f4b71Sopenharmony_ci
529e41f4b71Sopenharmony_ci
530e41f4b71Sopenharmony_ci
531e41f4b71Sopenharmony_ci### OH_NativeWindow_GetLastFlushedBufferV2()
532e41f4b71Sopenharmony_ci
533e41f4b71Sopenharmony_ci```
534e41f4b71Sopenharmony_ciint32_t OH_NativeWindow_GetLastFlushedBufferV2 (OHNativeWindow *window, OHNativeWindowBuffer **buffer, int *fenceFd, float matrix[16] )
535e41f4b71Sopenharmony_ci```
536e41f4b71Sopenharmony_ci
537e41f4b71Sopenharmony_ci**描述**
538e41f4b71Sopenharmony_ci
539e41f4b71Sopenharmony_ci从OHNativeWindow获取上次送回到buffer队列中的OHNativeWindowBuffer, 与OH_NativeWindow_GetLastFlushedBuffer的差异在于matrix不同。
540e41f4b71Sopenharmony_ci本接口需要与OH_NativeWindow_NativeObjectUnreference接口配合使用,否则会存在内存泄露。
541e41f4b71Sopenharmony_ci本接口为非线程安全类型接口。
542e41f4b71Sopenharmony_ci
543e41f4b71Sopenharmony_ci**系统能力:** SystemCapability.Graphic.Graphic2D.NativeWindow
544e41f4b71Sopenharmony_ci
545e41f4b71Sopenharmony_ci**起始版本:** 12
546e41f4b71Sopenharmony_ci
547e41f4b71Sopenharmony_ci**参数:**
548e41f4b71Sopenharmony_ci
549e41f4b71Sopenharmony_ci| 名称 | 描述 | 
550e41f4b71Sopenharmony_ci| -------- | -------- |
551e41f4b71Sopenharmony_ci| window | 一个OHNativeWindow的结构体实例的指针。  | 
552e41f4b71Sopenharmony_ci| buffer | 一个OHNativeWindowBuffer结构体指针的指针。  | 
553e41f4b71Sopenharmony_ci| fenceFd | 一个文件描述符的指针。  | 
554e41f4b71Sopenharmony_ci| matrix | 表示检索到的4\*4变换矩阵。  | 
555e41f4b71Sopenharmony_ci
556e41f4b71Sopenharmony_ci**返回:**
557e41f4b71Sopenharmony_ci
558e41f4b71Sopenharmony_ci返回值为0表示执行成功,其他返回值可参考[OHNativeErrorCode](#ohnativeerrorcode)。
559e41f4b71Sopenharmony_ci
560e41f4b71Sopenharmony_ci
561e41f4b71Sopenharmony_ci
562e41f4b71Sopenharmony_ci### OH_NativeWindow_SetBufferHold()
563e41f4b71Sopenharmony_ci
564e41f4b71Sopenharmony_ci```
565e41f4b71Sopenharmony_civoid OH_NativeWindow_SetBufferHold (OHNativeWindow *window)
566e41f4b71Sopenharmony_ci```
567e41f4b71Sopenharmony_ci**描述**
568e41f4b71Sopenharmony_ci提前缓存一帧buffer,且缓存的这一帧延迟一帧上屏显示,以此抵消后续一次超长帧丢帧。
569e41f4b71Sopenharmony_ci本接口为非线程安全类型接口。
570e41f4b71Sopenharmony_ci
571e41f4b71Sopenharmony_ci**系统能力:** SystemCapability.Graphic.Graphic2D.NativeWindow
572e41f4b71Sopenharmony_ci
573e41f4b71Sopenharmony_ci**起始版本:** 12
574e41f4b71Sopenharmony_ci
575e41f4b71Sopenharmony_ci**参数:**
576e41f4b71Sopenharmony_ci
577e41f4b71Sopenharmony_ci| 名称 | 描述 | 
578e41f4b71Sopenharmony_ci| -------- | -------- |
579e41f4b71Sopenharmony_ci| window | 一个[OHNativeWindow](_o_h___native_image.md#ohnativewindow)的结构体实例的指针。  | 
580e41f4b71Sopenharmony_ci
581e41f4b71Sopenharmony_ci
582e41f4b71Sopenharmony_ci
583e41f4b71Sopenharmony_ci### OH_NativeWindow_CreateNativeWindow()
584e41f4b71Sopenharmony_ci
585e41f4b71Sopenharmony_ci```
586e41f4b71Sopenharmony_ciOHNativeWindow* OH_NativeWindow_CreateNativeWindow (void* pSurface)
587e41f4b71Sopenharmony_ci```
588e41f4b71Sopenharmony_ci
589e41f4b71Sopenharmony_ci**描述**
590e41f4b71Sopenharmony_ci
591e41f4b71Sopenharmony_ci创建OHNativeWindow实例,每次调用都会产生一个新的OHNativeWindow实例。 说明:此接口不可用,可通过**OH_NativeImage_AcquireNativeWindow**创建,或通过XComponent创建。
592e41f4b71Sopenharmony_ci
593e41f4b71Sopenharmony_ci**废弃版本:** 12
594e41f4b71Sopenharmony_ci
595e41f4b71Sopenharmony_ci**替代接口:** 不再提供替代接口。
596e41f4b71Sopenharmony_ci
597e41f4b71Sopenharmony_ci**系统能力:** SystemCapability.Graphic.Graphic2D.NativeWindow
598e41f4b71Sopenharmony_ci
599e41f4b71Sopenharmony_ci**起始版本:** 8
600e41f4b71Sopenharmony_ci
601e41f4b71Sopenharmony_ci**参数:**
602e41f4b71Sopenharmony_ci
603e41f4b71Sopenharmony_ci| 名称 | 描述 | 
604e41f4b71Sopenharmony_ci| -------- | -------- |
605e41f4b71Sopenharmony_ci| pSurface | 一个指向生产者ProduceSurface的指针,类型为sptr&lt;OHOS::Surface&gt;。 | 
606e41f4b71Sopenharmony_ci
607e41f4b71Sopenharmony_ci**返回:**
608e41f4b71Sopenharmony_ci
609e41f4b71Sopenharmony_ci返回一个指针,指向OHNativeWindow的结构体实例。
610e41f4b71Sopenharmony_ci
611e41f4b71Sopenharmony_ci
612e41f4b71Sopenharmony_ci### OH_NativeWindow_CreateNativeWindowBufferFromNativeBuffer()
613e41f4b71Sopenharmony_ci
614e41f4b71Sopenharmony_ci```
615e41f4b71Sopenharmony_ciOHNativeWindowBuffer* OH_NativeWindow_CreateNativeWindowBufferFromNativeBuffer (OH_NativeBuffer* nativeBuffer)
616e41f4b71Sopenharmony_ci```
617e41f4b71Sopenharmony_ci
618e41f4b71Sopenharmony_ci**描述**
619e41f4b71Sopenharmony_ci
620e41f4b71Sopenharmony_ci创建OHNativeWindowBuffer实例,每次调用都会产生一个新的OHNativeWindowBuffer实例。
621e41f4b71Sopenharmony_ci本接口需要与OH_NativeWindow_DestroyNativeWindowBuffer接口配合使用,否则会存在内存泄露。
622e41f4b71Sopenharmony_ci本接口为非线程安全类型接口。
623e41f4b71Sopenharmony_ci
624e41f4b71Sopenharmony_ci**系统能力:** SystemCapability.Graphic.Graphic2D.NativeWindow
625e41f4b71Sopenharmony_ci
626e41f4b71Sopenharmony_ci**起始版本:** 11
627e41f4b71Sopenharmony_ci
628e41f4b71Sopenharmony_ci**参数:**
629e41f4b71Sopenharmony_ci
630e41f4b71Sopenharmony_ci| 名称 | 描述 | 
631e41f4b71Sopenharmony_ci| -------- | -------- |
632e41f4b71Sopenharmony_ci| nativeBuffer | 一个指向OH_NativeBuffer的指针。 | 
633e41f4b71Sopenharmony_ci
634e41f4b71Sopenharmony_ci**返回:**
635e41f4b71Sopenharmony_ci
636e41f4b71Sopenharmony_ci返回一个指针,指向OHNativeWindowBuffer的结构体实例。
637e41f4b71Sopenharmony_ci
638e41f4b71Sopenharmony_ci
639e41f4b71Sopenharmony_ci### OH_NativeWindow_CreateNativeWindowBufferFromSurfaceBuffer()
640e41f4b71Sopenharmony_ci
641e41f4b71Sopenharmony_ci```
642e41f4b71Sopenharmony_ciOHNativeWindowBuffer* OH_NativeWindow_CreateNativeWindowBufferFromSurfaceBuffer (void* pSurfaceBuffer)
643e41f4b71Sopenharmony_ci```
644e41f4b71Sopenharmony_ci
645e41f4b71Sopenharmony_ci**描述**
646e41f4b71Sopenharmony_ci
647e41f4b71Sopenharmony_ci创建OHNativeWindowBuffer实例,每次调用都会产生一个新的OHNativeWindowBuffer实例。
648e41f4b71Sopenharmony_ci
649e41f4b71Sopenharmony_ci**废弃版本:** 12
650e41f4b71Sopenharmony_ci
651e41f4b71Sopenharmony_ci**替代接口:** [OH_NativeWindow_CreateNativeWindowBufferFromNativeBuffer](#oh_nativewindow_createnativewindowbufferfromnativebuffer)
652e41f4b71Sopenharmony_ci
653e41f4b71Sopenharmony_ci**系统能力:** SystemCapability.Graphic.Graphic2D.NativeWindow
654e41f4b71Sopenharmony_ci
655e41f4b71Sopenharmony_ci**起始版本:** 8
656e41f4b71Sopenharmony_ci
657e41f4b71Sopenharmony_ci**参数:**
658e41f4b71Sopenharmony_ci
659e41f4b71Sopenharmony_ci| 名称 | 描述 | 
660e41f4b71Sopenharmony_ci| -------- | -------- |
661e41f4b71Sopenharmony_ci| pSurfaceBuffer | 一个指向生产者buffer的指针,类型为sptr&lt;OHOS::SurfaceBuffer&gt;。 | 
662e41f4b71Sopenharmony_ci
663e41f4b71Sopenharmony_ci**返回:**
664e41f4b71Sopenharmony_ci
665e41f4b71Sopenharmony_ci返回一个指针,指向OHNativeWindowBuffer的结构体实例。
666e41f4b71Sopenharmony_ci
667e41f4b71Sopenharmony_ci
668e41f4b71Sopenharmony_ci### OH_NativeWindow_CreateNativeWindowFromSurfaceId()
669e41f4b71Sopenharmony_ci
670e41f4b71Sopenharmony_ci```
671e41f4b71Sopenharmony_ciint32_t OH_NativeWindow_CreateNativeWindowFromSurfaceId (uint64_t surfaceId, OHNativeWindow **window )
672e41f4b71Sopenharmony_ci```
673e41f4b71Sopenharmony_ci
674e41f4b71Sopenharmony_ci**描述**
675e41f4b71Sopenharmony_ci
676e41f4b71Sopenharmony_ci通过surfaceId创建对应的OHNativeWindow。
677e41f4b71Sopenharmony_ci本接口需要与OH_NativeWindow_DestroyNativeWindow接口配合使用,否则会存在内存泄露。
678e41f4b71Sopenharmony_ci如果存在并发释放OHNativeWindow的情况,需要通过OH_NativeWindow_NativeObjectReference和
679e41f4b71Sopenharmony_ciOH_NativeWindow_NativeObjectUnreference对OHNativeWindow进行引用计数加一和减一。
680e41f4b71Sopenharmony_ci通过surfaceId获取的surface需要是在本进程中创建的,不能跨进程获取surface。
681e41f4b71Sopenharmony_ci本接口为非线程安全类型接口。
682e41f4b71Sopenharmony_ci
683e41f4b71Sopenharmony_ci**系统能力:** SystemCapability.Graphic.Graphic2D.NativeWindow
684e41f4b71Sopenharmony_ci
685e41f4b71Sopenharmony_ci**起始版本:** 12
686e41f4b71Sopenharmony_ci
687e41f4b71Sopenharmony_ci**参数:**
688e41f4b71Sopenharmony_ci
689e41f4b71Sopenharmony_ci| 名称 | 描述 | 
690e41f4b71Sopenharmony_ci| -------- | -------- |
691e41f4b71Sopenharmony_ci| surfaceId | 一个surface对应的ID。 | 
692e41f4b71Sopenharmony_ci| window | 一个OHNativeWindow的结构体实例的二级指针。 | 
693e41f4b71Sopenharmony_ci
694e41f4b71Sopenharmony_ci**返回:**
695e41f4b71Sopenharmony_ci
696e41f4b71Sopenharmony_ci返回值为0表示执行成功,其他返回值可参考[OHNativeErrorCode](#ohnativeerrorcode)。
697e41f4b71Sopenharmony_ci
698e41f4b71Sopenharmony_ci
699e41f4b71Sopenharmony_ci### OH_NativeWindow_DestroyNativeWindow()
700e41f4b71Sopenharmony_ci
701e41f4b71Sopenharmony_ci```
702e41f4b71Sopenharmony_civoid OH_NativeWindow_DestroyNativeWindow (OHNativeWindow* window)
703e41f4b71Sopenharmony_ci```
704e41f4b71Sopenharmony_ci
705e41f4b71Sopenharmony_ci**描述**
706e41f4b71Sopenharmony_ci
707e41f4b71Sopenharmony_ci将OHNativeWindow对象的引用计数减1,当引用计数为0的时候,该OHNativeWindow对象会被析构掉。
708e41f4b71Sopenharmony_ci本接口为非线程安全类型接口。
709e41f4b71Sopenharmony_ci
710e41f4b71Sopenharmony_ci**系统能力:** SystemCapability.Graphic.Graphic2D.NativeWindow
711e41f4b71Sopenharmony_ci
712e41f4b71Sopenharmony_ci**起始版本:** 8
713e41f4b71Sopenharmony_ci
714e41f4b71Sopenharmony_ci**参数:**
715e41f4b71Sopenharmony_ci
716e41f4b71Sopenharmony_ci| 名称 | 描述 | 
717e41f4b71Sopenharmony_ci| -------- | -------- |
718e41f4b71Sopenharmony_ci| window | 一个OHNativeWindow的结构体实例的指针。 | 
719e41f4b71Sopenharmony_ci
720e41f4b71Sopenharmony_ci
721e41f4b71Sopenharmony_ci### OH_NativeWindow_DestroyNativeWindowBuffer()
722e41f4b71Sopenharmony_ci
723e41f4b71Sopenharmony_ci```
724e41f4b71Sopenharmony_civoid OH_NativeWindow_DestroyNativeWindowBuffer (OHNativeWindowBuffer* buffer)
725e41f4b71Sopenharmony_ci```
726e41f4b71Sopenharmony_ci
727e41f4b71Sopenharmony_ci**描述**
728e41f4b71Sopenharmony_ci
729e41f4b71Sopenharmony_ci将OHNativeWindowBuffer对象的引用计数减1,当引用计数为0的时候,该OHNativeWindowBuffer对象会被析构掉。
730e41f4b71Sopenharmony_ci本接口为非线程安全类型接口。
731e41f4b71Sopenharmony_ci
732e41f4b71Sopenharmony_ci**系统能力:** SystemCapability.Graphic.Graphic2D.NativeWindow
733e41f4b71Sopenharmony_ci
734e41f4b71Sopenharmony_ci**起始版本:** 8
735e41f4b71Sopenharmony_ci
736e41f4b71Sopenharmony_ci**参数:**
737e41f4b71Sopenharmony_ci
738e41f4b71Sopenharmony_ci| 名称 | 描述 | 
739e41f4b71Sopenharmony_ci| -------- | -------- |
740e41f4b71Sopenharmony_ci| buffer | 一个OHNativeWindowBuffer的结构体实例的指针。 | 
741e41f4b71Sopenharmony_ci
742e41f4b71Sopenharmony_ci
743e41f4b71Sopenharmony_ci### OH_NativeWindow_GetBufferHandleFromNative()
744e41f4b71Sopenharmony_ci
745e41f4b71Sopenharmony_ci```
746e41f4b71Sopenharmony_ciBufferHandle* OH_NativeWindow_GetBufferHandleFromNative (OHNativeWindowBuffer* buffer)
747e41f4b71Sopenharmony_ci```
748e41f4b71Sopenharmony_ci
749e41f4b71Sopenharmony_ci**描述**
750e41f4b71Sopenharmony_ci
751e41f4b71Sopenharmony_ci通过OHNativeWindowBuffer获取该buffer的BufferHandle指针。
752e41f4b71Sopenharmony_ci本接口为非线程安全类型接口。
753e41f4b71Sopenharmony_ci
754e41f4b71Sopenharmony_ci**系统能力:** SystemCapability.Graphic.Graphic2D.NativeWindow
755e41f4b71Sopenharmony_ci
756e41f4b71Sopenharmony_ci**起始版本:** 8
757e41f4b71Sopenharmony_ci
758e41f4b71Sopenharmony_ci**参数:**
759e41f4b71Sopenharmony_ci
760e41f4b71Sopenharmony_ci| 名称 | 描述 | 
761e41f4b71Sopenharmony_ci| -------- | -------- |
762e41f4b71Sopenharmony_ci| buffer | 一个OHNativeWindowBuffer的结构体实例的指针。 | 
763e41f4b71Sopenharmony_ci
764e41f4b71Sopenharmony_ci**返回:**
765e41f4b71Sopenharmony_ci
766e41f4b71Sopenharmony_ciBufferHandle 返回一个指针,指向BufferHandle的结构体实例。
767e41f4b71Sopenharmony_ci
768e41f4b71Sopenharmony_ci
769e41f4b71Sopenharmony_ci### OH_NativeWindow_GetLastFlushedBuffer()
770e41f4b71Sopenharmony_ci
771e41f4b71Sopenharmony_ci```
772e41f4b71Sopenharmony_ciint32_t OH_NativeWindow_GetLastFlushedBuffer (OHNativeWindow *window, OHNativeWindowBuffer **buffer, int *fenceFd, float matrix[16] )
773e41f4b71Sopenharmony_ci```
774e41f4b71Sopenharmony_ci
775e41f4b71Sopenharmony_ci**描述**
776e41f4b71Sopenharmony_ci
777e41f4b71Sopenharmony_ci从OHNativeWindow获取上次送回到buffer队列中的OHNativeWindowBuffer。
778e41f4b71Sopenharmony_ci
779e41f4b71Sopenharmony_ci**废弃版本:** 12
780e41f4b71Sopenharmony_ci
781e41f4b71Sopenharmony_ci**替代接口:** [OH_NativeWindow_GetLastFlushedBufferV2](#oh_nativewindow_getlastflushedbufferv2)
782e41f4b71Sopenharmony_ci
783e41f4b71Sopenharmony_ci**系统能力:** SystemCapability.Graphic.Graphic2D.NativeWindow
784e41f4b71Sopenharmony_ci
785e41f4b71Sopenharmony_ci**起始版本:** 11
786e41f4b71Sopenharmony_ci
787e41f4b71Sopenharmony_ci**参数:**
788e41f4b71Sopenharmony_ci
789e41f4b71Sopenharmony_ci| 名称 | 描述 | 
790e41f4b71Sopenharmony_ci| -------- | -------- |
791e41f4b71Sopenharmony_ci| window | 一个OHNativeWindow的结构体实例的指针。 | 
792e41f4b71Sopenharmony_ci| buffer | 一个OHNativeWindowBuffer结构体指针的指针。 | 
793e41f4b71Sopenharmony_ci| fenceFd | 一个文件描述符的指针。 | 
794e41f4b71Sopenharmony_ci| matrix | 表示检索到的4\*4变换矩阵。 | 
795e41f4b71Sopenharmony_ci
796e41f4b71Sopenharmony_ci**返回:**
797e41f4b71Sopenharmony_ci
798e41f4b71Sopenharmony_ci返回值为0表示执行成功,其他返回值可参考[OHNativeErrorCode](#ohnativeerrorcode)。
799e41f4b71Sopenharmony_ci
800e41f4b71Sopenharmony_ci
801e41f4b71Sopenharmony_ci### OH_NativeWindow_GetNativeObjectMagic()
802e41f4b71Sopenharmony_ci
803e41f4b71Sopenharmony_ci```
804e41f4b71Sopenharmony_ciint32_t OH_NativeWindow_GetNativeObjectMagic (void *obj)
805e41f4b71Sopenharmony_ci```
806e41f4b71Sopenharmony_ci
807e41f4b71Sopenharmony_ci**描述**
808e41f4b71Sopenharmony_ci
809e41f4b71Sopenharmony_ci获取NativeObject的MagicId。
810e41f4b71Sopenharmony_ci本接口为非线程安全类型接口。
811e41f4b71Sopenharmony_ci
812e41f4b71Sopenharmony_ci**系统能力:** SystemCapability.Graphic.Graphic2D.NativeWindow
813e41f4b71Sopenharmony_ci
814e41f4b71Sopenharmony_ci**起始版本:** 8
815e41f4b71Sopenharmony_ci
816e41f4b71Sopenharmony_ci**参数:**
817e41f4b71Sopenharmony_ci
818e41f4b71Sopenharmony_ci| 名称 | 描述 | 
819e41f4b71Sopenharmony_ci| -------- | -------- |
820e41f4b71Sopenharmony_ci| obj | 一个OHNativeWindow或者OHNativeWindowBuffer的结构体实例的指针。 | 
821e41f4b71Sopenharmony_ci
822e41f4b71Sopenharmony_ci**返回:**
823e41f4b71Sopenharmony_ci
824e41f4b71Sopenharmony_ciMagicId 返回值为魔鬼数字,每个NativeObject唯一。
825e41f4b71Sopenharmony_ci
826e41f4b71Sopenharmony_ci
827e41f4b71Sopenharmony_ci### OH_NativeWindow_GetSurfaceId()
828e41f4b71Sopenharmony_ci
829e41f4b71Sopenharmony_ci```
830e41f4b71Sopenharmony_ciint32_t OH_NativeWindow_GetSurfaceId (OHNativeWindow *window, uint64_t *surfaceId )
831e41f4b71Sopenharmony_ci```
832e41f4b71Sopenharmony_ci
833e41f4b71Sopenharmony_ci**描述**
834e41f4b71Sopenharmony_ci
835e41f4b71Sopenharmony_ci通过OHNativeWindow获取对应的surfaceId。
836e41f4b71Sopenharmony_ci本接口为非线程安全类型接口。
837e41f4b71Sopenharmony_ci
838e41f4b71Sopenharmony_ci**系统能力:** SystemCapability.Graphic.Graphic2D.NativeWindow
839e41f4b71Sopenharmony_ci
840e41f4b71Sopenharmony_ci**起始版本:** 12
841e41f4b71Sopenharmony_ci
842e41f4b71Sopenharmony_ci**参数:**
843e41f4b71Sopenharmony_ci
844e41f4b71Sopenharmony_ci| 名称 | 描述 | 
845e41f4b71Sopenharmony_ci| -------- | -------- |
846e41f4b71Sopenharmony_ci| window | 一个OHNativeWindow的结构体实例的指针。 | 
847e41f4b71Sopenharmony_ci| surfaceId | 一个surface对应ID的指针。 | 
848e41f4b71Sopenharmony_ci
849e41f4b71Sopenharmony_ci**返回:**
850e41f4b71Sopenharmony_ci
851e41f4b71Sopenharmony_ci返回值为0表示执行成功,其他返回值可参考[OHNativeErrorCode](#ohnativeerrorcode)。
852e41f4b71Sopenharmony_ci
853e41f4b71Sopenharmony_ci
854e41f4b71Sopenharmony_ci### OH_NativeWindow_NativeObjectReference()
855e41f4b71Sopenharmony_ci
856e41f4b71Sopenharmony_ci```
857e41f4b71Sopenharmony_ciint32_t OH_NativeWindow_NativeObjectReference (void *obj)
858e41f4b71Sopenharmony_ci```
859e41f4b71Sopenharmony_ci
860e41f4b71Sopenharmony_ci**描述**
861e41f4b71Sopenharmony_ci
862e41f4b71Sopenharmony_ci增加一个NativeObject的引用计数。
863e41f4b71Sopenharmony_ci本接口需要与OH_NativeWindow_NativeObjectUnreference接口配合使用,否则会存在内存泄露。
864e41f4b71Sopenharmony_ci本接口为非线程安全类型接口。
865e41f4b71Sopenharmony_ci
866e41f4b71Sopenharmony_ci**系统能力:** SystemCapability.Graphic.Graphic2D.NativeWindow
867e41f4b71Sopenharmony_ci
868e41f4b71Sopenharmony_ci**起始版本:** 8
869e41f4b71Sopenharmony_ci
870e41f4b71Sopenharmony_ci**参数:**
871e41f4b71Sopenharmony_ci
872e41f4b71Sopenharmony_ci| 名称 | 描述 | 
873e41f4b71Sopenharmony_ci| -------- | -------- |
874e41f4b71Sopenharmony_ci| obj | 一个OHNativeWindow或者OHNativeWindowBuffer的结构体实例的指针。 | 
875e41f4b71Sopenharmony_ci
876e41f4b71Sopenharmony_ci**返回:**
877e41f4b71Sopenharmony_ci
878e41f4b71Sopenharmony_ci返回值为0表示执行成功,其他返回值可参考[OHNativeErrorCode](#ohnativeerrorcode)。
879e41f4b71Sopenharmony_ci
880e41f4b71Sopenharmony_ci
881e41f4b71Sopenharmony_ci### OH_NativeWindow_NativeObjectUnreference()
882e41f4b71Sopenharmony_ci
883e41f4b71Sopenharmony_ci```
884e41f4b71Sopenharmony_ciint32_t OH_NativeWindow_NativeObjectUnreference (void *obj)
885e41f4b71Sopenharmony_ci```
886e41f4b71Sopenharmony_ci
887e41f4b71Sopenharmony_ci**描述**
888e41f4b71Sopenharmony_ci
889e41f4b71Sopenharmony_ci减少一个NativeObject的引用计数,当引用计数减少为0时,该NativeObject将被析构掉。
890e41f4b71Sopenharmony_ci本接口为非线程安全类型接口。
891e41f4b71Sopenharmony_ci
892e41f4b71Sopenharmony_ci**系统能力:** SystemCapability.Graphic.Graphic2D.NativeWindow
893e41f4b71Sopenharmony_ci
894e41f4b71Sopenharmony_ci**起始版本:** 8
895e41f4b71Sopenharmony_ci
896e41f4b71Sopenharmony_ci**参数:**
897e41f4b71Sopenharmony_ci
898e41f4b71Sopenharmony_ci| 名称 | 描述 | 
899e41f4b71Sopenharmony_ci| -------- | -------- |
900e41f4b71Sopenharmony_ci| obj | 一个OHNativeWindow或者OHNativeWindowBuffer的结构体实例的指针。 | 
901e41f4b71Sopenharmony_ci
902e41f4b71Sopenharmony_ci**返回:**
903e41f4b71Sopenharmony_ci
904e41f4b71Sopenharmony_ci返回值为0表示执行成功,其他返回值可参考[OHNativeErrorCode](#ohnativeerrorcode)。
905e41f4b71Sopenharmony_ci
906e41f4b71Sopenharmony_ci
907e41f4b71Sopenharmony_ci### OH_NativeWindow_NativeWindowAbortBuffer()
908e41f4b71Sopenharmony_ci
909e41f4b71Sopenharmony_ci```
910e41f4b71Sopenharmony_ciint32_t OH_NativeWindow_NativeWindowAbortBuffer (OHNativeWindow *window, OHNativeWindowBuffer *buffer )
911e41f4b71Sopenharmony_ci```
912e41f4b71Sopenharmony_ci
913e41f4b71Sopenharmony_ci**描述**
914e41f4b71Sopenharmony_ci
915e41f4b71Sopenharmony_ci通过OHNativeWindow将之前申请出来的OHNativeWindowBuffer返还到Buffer队列中,供下次再申请。
916e41f4b71Sopenharmony_ci本接口为非线程安全类型接口。
917e41f4b71Sopenharmony_ci
918e41f4b71Sopenharmony_ci**系统能力:** SystemCapability.Graphic.Graphic2D.NativeWindow
919e41f4b71Sopenharmony_ci
920e41f4b71Sopenharmony_ci**起始版本:** 8
921e41f4b71Sopenharmony_ci
922e41f4b71Sopenharmony_ci**参数:**
923e41f4b71Sopenharmony_ci
924e41f4b71Sopenharmony_ci| 名称 | 描述 | 
925e41f4b71Sopenharmony_ci| -------- | -------- |
926e41f4b71Sopenharmony_ci| window | 一个OHNativeWindow的结构体实例的指针。 | 
927e41f4b71Sopenharmony_ci| buffer | 一个OHNativeWindowBuffer的结构体实例的指针。 | 
928e41f4b71Sopenharmony_ci
929e41f4b71Sopenharmony_ci**返回:**
930e41f4b71Sopenharmony_ci
931e41f4b71Sopenharmony_ci返回值为0表示执行成功,其他返回值可参考[OHNativeErrorCode](#ohnativeerrorcode)。
932e41f4b71Sopenharmony_ci
933e41f4b71Sopenharmony_ci### OH_NativeWindow_NativeWindowAttachBuffer()
934e41f4b71Sopenharmony_ci
935e41f4b71Sopenharmony_ci```
936e41f4b71Sopenharmony_ciint32_t OH_NativeWindow_NativeWindowAttachBuffer (OHNativeWindow *window, OHNativeWindowBuffer *buffer )
937e41f4b71Sopenharmony_ci```
938e41f4b71Sopenharmony_ci
939e41f4b71Sopenharmony_ci**描述**
940e41f4b71Sopenharmony_ci
941e41f4b71Sopenharmony_ci将OHNativeWindowBuffer添加进OHNativeWindow中。
942e41f4b71Sopenharmony_ci本接口需要与OH_NativeWindow_NativeWindowDetachBuffer接口配合使用,否则会存在内存管理混乱问题。
943e41f4b71Sopenharmony_ci本接口为非线程安全类型接口
944e41f4b71Sopenharmony_ci
945e41f4b71Sopenharmony_ci**系统能力:** SystemCapability.Graphic.Graphic2D.NativeWindow
946e41f4b71Sopenharmony_ci
947e41f4b71Sopenharmony_ci**起始版本:** 12
948e41f4b71Sopenharmony_ci
949e41f4b71Sopenharmony_ci**参数:**
950e41f4b71Sopenharmony_ci
951e41f4b71Sopenharmony_ci| 名称 | 描述 | 
952e41f4b71Sopenharmony_ci| -------- | -------- |
953e41f4b71Sopenharmony_ci| window | 一个OHNativeWindow的结构体实例的指针。 | 
954e41f4b71Sopenharmony_ci| buffer | 一个OHNativeWindowBuffer的结构体实例的指针。 | 
955e41f4b71Sopenharmony_ci
956e41f4b71Sopenharmony_ci**返回:**
957e41f4b71Sopenharmony_ci
958e41f4b71Sopenharmony_ci返回值为0表示执行成功,其他返回值可参考[OHNativeErrorCode](#ohnativeerrorcode)。
959e41f4b71Sopenharmony_ci
960e41f4b71Sopenharmony_ci
961e41f4b71Sopenharmony_ci### OH_NativeWindow_NativeWindowDetachBuffer()
962e41f4b71Sopenharmony_ci
963e41f4b71Sopenharmony_ci```
964e41f4b71Sopenharmony_ciint32_t OH_NativeWindow_NativeWindowDetachBuffer (OHNativeWindow *window, OHNativeWindowBuffer *buffer )
965e41f4b71Sopenharmony_ci```
966e41f4b71Sopenharmony_ci
967e41f4b71Sopenharmony_ci**描述**
968e41f4b71Sopenharmony_ci
969e41f4b71Sopenharmony_ci将OHNativeWindowBuffer从OHNativeWindow中分离。
970e41f4b71Sopenharmony_ci本接口为非线程安全类型接口。
971e41f4b71Sopenharmony_ci
972e41f4b71Sopenharmony_ci**系统能力:** SystemCapability.Graphic.Graphic2D.NativeWindow
973e41f4b71Sopenharmony_ci
974e41f4b71Sopenharmony_ci**起始版本:** 12
975e41f4b71Sopenharmony_ci
976e41f4b71Sopenharmony_ci**参数:**
977e41f4b71Sopenharmony_ci
978e41f4b71Sopenharmony_ci| 名称 | 描述 | 
979e41f4b71Sopenharmony_ci| -------- | -------- |
980e41f4b71Sopenharmony_ci| window | 一个OHNativeWindow的结构体实例的指针。 | 
981e41f4b71Sopenharmony_ci| buffer | 一个OHNativeWindowBuffer的结构体实例的指针。 | 
982e41f4b71Sopenharmony_ci
983e41f4b71Sopenharmony_ci**返回:**
984e41f4b71Sopenharmony_ci
985e41f4b71Sopenharmony_ci返回值为0表示执行成功,其他返回值可参考[OHNativeErrorCode](#ohnativeerrorcode)。
986e41f4b71Sopenharmony_ci
987e41f4b71Sopenharmony_ci
988e41f4b71Sopenharmony_ci### OH_NativeWindow_NativeWindowFlushBuffer()
989e41f4b71Sopenharmony_ci
990e41f4b71Sopenharmony_ci```
991e41f4b71Sopenharmony_ciint32_t OH_NativeWindow_NativeWindowFlushBuffer (OHNativeWindow *window, OHNativeWindowBuffer *buffer, int fenceFd, Region region )
992e41f4b71Sopenharmony_ci```
993e41f4b71Sopenharmony_ci
994e41f4b71Sopenharmony_ci**描述**
995e41f4b71Sopenharmony_ci
996e41f4b71Sopenharmony_ci通过OHNativeWindow将生产好内容的OHNativeWindowBuffer放回到Buffer队列中,用以内容消费。
997e41f4b71Sopenharmony_ci系统会将fenFd关闭,无需用户close。
998e41f4b71Sopenharmony_ci本接口为非线程安全类型接口。
999e41f4b71Sopenharmony_ci
1000e41f4b71Sopenharmony_ci**系统能力:** SystemCapability.Graphic.Graphic2D.NativeWindow
1001e41f4b71Sopenharmony_ci
1002e41f4b71Sopenharmony_ci**起始版本:** 8
1003e41f4b71Sopenharmony_ci
1004e41f4b71Sopenharmony_ci**参数:**
1005e41f4b71Sopenharmony_ci
1006e41f4b71Sopenharmony_ci| 名称 | 描述 | 
1007e41f4b71Sopenharmony_ci| -------- | -------- |
1008e41f4b71Sopenharmony_ci| window | 一个OHNativeWindow的结构体实例的指针。 | 
1009e41f4b71Sopenharmony_ci| buffer | 一个OHNativeWindowBuffer的结构体实例的指针。 | 
1010e41f4b71Sopenharmony_ci| fenceFd | 一个文件描述符句柄,用以同步时序。 | 
1011e41f4b71Sopenharmony_ci| region | 表示一块脏区域,该区域有内容更新。 | 
1012e41f4b71Sopenharmony_ci
1013e41f4b71Sopenharmony_ci**返回:**
1014e41f4b71Sopenharmony_ci
1015e41f4b71Sopenharmony_ci返回值为0表示执行成功,其他返回值可参考[OHNativeErrorCode](#ohnativeerrorcode)。
1016e41f4b71Sopenharmony_ci
1017e41f4b71Sopenharmony_ci
1018e41f4b71Sopenharmony_ci### OH_NativeWindow_NativeWindowHandleOpt()
1019e41f4b71Sopenharmony_ci
1020e41f4b71Sopenharmony_ci```
1021e41f4b71Sopenharmony_ciint32_t OH_NativeWindow_NativeWindowHandleOpt (OHNativeWindow *window, int code,  ... )
1022e41f4b71Sopenharmony_ci```
1023e41f4b71Sopenharmony_ci
1024e41f4b71Sopenharmony_ci**描述**
1025e41f4b71Sopenharmony_ci
1026e41f4b71Sopenharmony_ci设置/获取OHNativeWindow的属性,包括设置/获取宽高、内容格式等。
1027e41f4b71Sopenharmony_ci本接口为非线程安全类型接口。
1028e41f4b71Sopenharmony_ci
1029e41f4b71Sopenharmony_ci**系统能力:** SystemCapability.Graphic.Graphic2D.NativeWindow
1030e41f4b71Sopenharmony_ci
1031e41f4b71Sopenharmony_ci**起始版本:** 8
1032e41f4b71Sopenharmony_ci
1033e41f4b71Sopenharmony_ci**参数:**
1034e41f4b71Sopenharmony_ci
1035e41f4b71Sopenharmony_ci| 名称 | 描述 | 
1036e41f4b71Sopenharmony_ci| -------- | -------- |
1037e41f4b71Sopenharmony_ci| window | 一个OHNativeWindow的结构体实例的指针。 | 
1038e41f4b71Sopenharmony_ci| code | 表示操作码,详见[NativeWindowOperation](#nativewindowoperation)。 | 
1039e41f4b71Sopenharmony_ci| ... | 可变参数,必须与操作码对应的数据类型保持一致,且入参数量严格按照操作码提示传入,否则会存在未定义行为。 | 
1040e41f4b71Sopenharmony_ci
1041e41f4b71Sopenharmony_ci**返回:**
1042e41f4b71Sopenharmony_ci
1043e41f4b71Sopenharmony_ci返回值为0表示执行成功,其他返回值可参考[OHNativeErrorCode](#ohnativeerrorcode)。
1044e41f4b71Sopenharmony_ci
1045e41f4b71Sopenharmony_ci
1046e41f4b71Sopenharmony_ci### OH_NativeWindow_NativeWindowRequestBuffer()
1047e41f4b71Sopenharmony_ci
1048e41f4b71Sopenharmony_ci```
1049e41f4b71Sopenharmony_ciint32_t OH_NativeWindow_NativeWindowRequestBuffer (OHNativeWindow *window, OHNativeWindowBuffer **buffer, int *fenceFd )
1050e41f4b71Sopenharmony_ci```
1051e41f4b71Sopenharmony_ci
1052e41f4b71Sopenharmony_ci**描述**
1053e41f4b71Sopenharmony_ci
1054e41f4b71Sopenharmony_ci通过OHNativeWindow对象申请一块OHNativeWindowBuffer,用以内容生产。
1055e41f4b71Sopenharmony_ci在调用本接口前,需要通过SET_BUFFER_GEOMETRY对OHNativeWindow设置宽高。
1056e41f4b71Sopenharmony_ci本接口需要与OH_NativeWindow_NativeWindowFlushBuffer接口配合使用,否则内存会耗尽。
1057e41f4b71Sopenharmony_ci当fenceFd使用完,用户需要将其close。
1058e41f4b71Sopenharmony_ci本接口为非线程安全类型接口。
1059e41f4b71Sopenharmony_ci
1060e41f4b71Sopenharmony_ci**系统能力:** SystemCapability.Graphic.Graphic2D.NativeWindow
1061e41f4b71Sopenharmony_ci
1062e41f4b71Sopenharmony_ci**起始版本:** 8
1063e41f4b71Sopenharmony_ci
1064e41f4b71Sopenharmony_ci**参数:**
1065e41f4b71Sopenharmony_ci
1066e41f4b71Sopenharmony_ci| 名称 | 描述 | 
1067e41f4b71Sopenharmony_ci| -------- | -------- |
1068e41f4b71Sopenharmony_ci| window | 一个OHNativeWindow的结构体实例的指针。 | 
1069e41f4b71Sopenharmony_ci| buffer | 一个OHNativeWindowBuffer的结构体实例的二级指针。 | 
1070e41f4b71Sopenharmony_ci| fenceFd | 一个文件描述符句柄。 | 
1071e41f4b71Sopenharmony_ci
1072e41f4b71Sopenharmony_ci**返回:**
1073e41f4b71Sopenharmony_ci
1074e41f4b71Sopenharmony_ci返回值为0表示执行成功,其他返回值可参考[OHNativeErrorCode](#ohnativeerrorcode)。
1075e41f4b71Sopenharmony_ci
1076e41f4b71Sopenharmony_ci
1077e41f4b71Sopenharmony_ci### OH_NativeWindow_NativeWindowSetMetaData()
1078e41f4b71Sopenharmony_ci
1079e41f4b71Sopenharmony_ci```
1080e41f4b71Sopenharmony_ciint32_t OH_NativeWindow_NativeWindowSetMetaData (OHNativeWindow *window, uint32_t sequence, int32_t size, const OHHDRMetaData *metaData )
1081e41f4b71Sopenharmony_ci```
1082e41f4b71Sopenharmony_ci
1083e41f4b71Sopenharmony_ci**描述**
1084e41f4b71Sopenharmony_ci
1085e41f4b71Sopenharmony_ci设置OHNativeWindow的元数据。
1086e41f4b71Sopenharmony_ci
1087e41f4b71Sopenharmony_ci**系统能力:** SystemCapability.Graphic.Graphic2D.NativeWindow
1088e41f4b71Sopenharmony_ci
1089e41f4b71Sopenharmony_ci**起始版本:** 9
1090e41f4b71Sopenharmony_ci
1091e41f4b71Sopenharmony_ci**弃用:** 从API version 10开始废弃,不再提供替代接口。
1092e41f4b71Sopenharmony_ci
1093e41f4b71Sopenharmony_ci**参数:**
1094e41f4b71Sopenharmony_ci
1095e41f4b71Sopenharmony_ci| 名称 | 描述 | 
1096e41f4b71Sopenharmony_ci| -------- | -------- |
1097e41f4b71Sopenharmony_ci| window | 一个OHNativeWindow的结构体实例的指针。 | 
1098e41f4b71Sopenharmony_ci| sequence | 生产缓冲区的序列。 | 
1099e41f4b71Sopenharmony_ci| size | OHHDRMetaData数组的大小。 | 
1100e41f4b71Sopenharmony_ci| metaDate | 指向OHHDRMetaData数组的指针。 | 
1101e41f4b71Sopenharmony_ci
1102e41f4b71Sopenharmony_ci**返回:**
1103e41f4b71Sopenharmony_ci
1104e41f4b71Sopenharmony_ci返回值为0表示执行成功,其他返回值可参考[OHNativeErrorCode](#ohnativeerrorcode)。
1105e41f4b71Sopenharmony_ci
1106e41f4b71Sopenharmony_ci
1107e41f4b71Sopenharmony_ci### OH_NativeWindow_NativeWindowSetMetaDataSet()
1108e41f4b71Sopenharmony_ci
1109e41f4b71Sopenharmony_ci```
1110e41f4b71Sopenharmony_ciint32_t OH_NativeWindow_NativeWindowSetMetaDataSet (OHNativeWindow *window, uint32_t sequence, OHHDRMetadataKey key, int32_t size, const uint8_t *metaData )
1111e41f4b71Sopenharmony_ci```
1112e41f4b71Sopenharmony_ci
1113e41f4b71Sopenharmony_ci**描述**
1114e41f4b71Sopenharmony_ci
1115e41f4b71Sopenharmony_ci设置OHNativeWindow的元数据集。
1116e41f4b71Sopenharmony_ci
1117e41f4b71Sopenharmony_ci**系统能力:** SystemCapability.Graphic.Graphic2D.NativeWindow
1118e41f4b71Sopenharmony_ci
1119e41f4b71Sopenharmony_ci**起始版本:** 9
1120e41f4b71Sopenharmony_ci
1121e41f4b71Sopenharmony_ci**弃用:** 从API version 10开始废弃,不再提供替代接口。
1122e41f4b71Sopenharmony_ci
1123e41f4b71Sopenharmony_ci**参数:**
1124e41f4b71Sopenharmony_ci
1125e41f4b71Sopenharmony_ci| 名称 | 描述 | 
1126e41f4b71Sopenharmony_ci| -------- | -------- |
1127e41f4b71Sopenharmony_ci| window | 一个OHNativeWindow的结构体实例的指针。 | 
1128e41f4b71Sopenharmony_ci| sequence | 生产缓冲区的序列。 | 
1129e41f4b71Sopenharmony_ci| key | 枚举值OHHDRMetadataKey。 | 
1130e41f4b71Sopenharmony_ci| size | uint8_t向量的大小。 | 
1131e41f4b71Sopenharmony_ci| metaDate | 指向uint8_t向量的指针。 | 
1132e41f4b71Sopenharmony_ci
1133e41f4b71Sopenharmony_ci**返回:**
1134e41f4b71Sopenharmony_ci
1135e41f4b71Sopenharmony_ci返回值为0表示执行成功,其他返回值可参考[OHNativeErrorCode](#ohnativeerrorcode)。
1136e41f4b71Sopenharmony_ci
1137e41f4b71Sopenharmony_ci
1138e41f4b71Sopenharmony_ci### OH_NativeWindow_NativeWindowSetScalingMode()
1139e41f4b71Sopenharmony_ci
1140e41f4b71Sopenharmony_ci```
1141e41f4b71Sopenharmony_ciint32_t OH_NativeWindow_NativeWindowSetScalingMode (OHNativeWindow *window, uint32_t sequence, OHScalingMode scalingMode )
1142e41f4b71Sopenharmony_ci```
1143e41f4b71Sopenharmony_ci
1144e41f4b71Sopenharmony_ci**描述**
1145e41f4b71Sopenharmony_ci
1146e41f4b71Sopenharmony_ci设置OHNativeWindow的ScalingMode。
1147e41f4b71Sopenharmony_ci
1148e41f4b71Sopenharmony_ci**系统能力:** SystemCapability.Graphic.Graphic2D.NativeWindow
1149e41f4b71Sopenharmony_ci
1150e41f4b71Sopenharmony_ci**起始版本:** 9
1151e41f4b71Sopenharmony_ci
1152e41f4b71Sopenharmony_ci**弃用:** 从API version 10开始废弃,不再提供替代接口。
1153e41f4b71Sopenharmony_ci
1154e41f4b71Sopenharmony_ci**参数:**
1155e41f4b71Sopenharmony_ci
1156e41f4b71Sopenharmony_ci| 名称 | 描述 | 
1157e41f4b71Sopenharmony_ci| -------- | -------- |
1158e41f4b71Sopenharmony_ci| window | 一个OHNativeWindow的结构体实例的指针。 | 
1159e41f4b71Sopenharmony_ci| sequence | 生产缓冲区的序列。 | 
1160e41f4b71Sopenharmony_ci| scalingMode | 枚举值OHScalingMode。 | 
1161e41f4b71Sopenharmony_ci
1162e41f4b71Sopenharmony_ci**返回:**
1163e41f4b71Sopenharmony_ci
1164e41f4b71Sopenharmony_ci返回值为0表示执行成功,其他返回值可参考[OHNativeErrorCode](#ohnativeerrorcode)。
1165e41f4b71Sopenharmony_ci
1166e41f4b71Sopenharmony_ci
1167e41f4b71Sopenharmony_ci### OH_NativeWindow_NativeWindowSetScalingModeV2()
1168e41f4b71Sopenharmony_ci
1169e41f4b71Sopenharmony_ci```
1170e41f4b71Sopenharmony_ciint32_t OH_NativeWindow_NativeWindowSetScalingModeV2 (OHNativeWindow* window, OHScalingModeV2 scalingMode )
1171e41f4b71Sopenharmony_ci```
1172e41f4b71Sopenharmony_ci**描述**
1173e41f4b71Sopenharmony_ci设置OHNativeWindow的渲染缩放模式。
1174e41f4b71Sopenharmony_ci本接口为非线程安全类型接口。
1175e41f4b71Sopenharmony_ci
1176e41f4b71Sopenharmony_ci**系统能力:** SystemCapability.Graphic.Graphic2D.NativeWindow
1177e41f4b71Sopenharmony_ci
1178e41f4b71Sopenharmony_ci**起始版本:** 12
1179e41f4b71Sopenharmony_ci
1180e41f4b71Sopenharmony_ci**参数:**
1181e41f4b71Sopenharmony_ci
1182e41f4b71Sopenharmony_ci| 名称 | 描述 | 
1183e41f4b71Sopenharmony_ci| -------- | -------- |
1184e41f4b71Sopenharmony_ci| window | 一个OHNativeWindow的结构体实例的指针。  | 
1185e41f4b71Sopenharmony_ci| scalingMode | 一个OHScalingModeV2类型的枚举值。  | 
1186e41f4b71Sopenharmony_ci
1187e41f4b71Sopenharmony_ci**返回:**
1188e41f4b71Sopenharmony_ci
1189e41f4b71Sopenharmony_ci返回值为0表示执行成功,其他返回值可参考[OHNativeErrorCode](#ohnativeerrorcode)。
1190e41f4b71Sopenharmony_ci
1191e41f4b71Sopenharmony_ci### OH_NativeWindow_NativeWindowSetTunnelHandle()
1192e41f4b71Sopenharmony_ci
1193e41f4b71Sopenharmony_ci```
1194e41f4b71Sopenharmony_ciint32_t OH_NativeWindow_NativeWindowSetTunnelHandle (OHNativeWindow *window, const OHExtDataHandle *handle )
1195e41f4b71Sopenharmony_ci```
1196e41f4b71Sopenharmony_ci
1197e41f4b71Sopenharmony_ci**描述**
1198e41f4b71Sopenharmony_ci
1199e41f4b71Sopenharmony_ci设置OHNativeWindow的TunnelHandle。
1200e41f4b71Sopenharmony_ci
1201e41f4b71Sopenharmony_ci**系统能力:** SystemCapability.Graphic.Graphic2D.NativeWindow
1202e41f4b71Sopenharmony_ci
1203e41f4b71Sopenharmony_ci**起始版本:** 9
1204e41f4b71Sopenharmony_ci
1205e41f4b71Sopenharmony_ci**弃用:** 从API version 10开始废弃,不再提供替代接口。
1206e41f4b71Sopenharmony_ci
1207e41f4b71Sopenharmony_ci**参数:**
1208e41f4b71Sopenharmony_ci
1209e41f4b71Sopenharmony_ci| 名称 | 描述 | 
1210e41f4b71Sopenharmony_ci| -------- | -------- |
1211e41f4b71Sopenharmony_ci| window | 一个OHNativeWindow的结构体实例的指针。 | 
1212e41f4b71Sopenharmony_ci| handle | 指向OHExtDataHandle的指针。 | 
1213e41f4b71Sopenharmony_ci
1214e41f4b71Sopenharmony_ci**返回:**
1215e41f4b71Sopenharmony_ci
1216e41f4b71Sopenharmony_ci返回值为0表示执行成功,其他返回值可参考[OHNativeErrorCode](#ohnativeerrorcode)。
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