add nativeapis

Signed-off-by: Nzengyawen <zengyawen1@huawei.com>

en/application-dev/reference/native-apis/image__pixel__map__napi_8h.md

@@ -21,7 +21,13 @@ Declares the APIs that can lock, access, and unlock pixel map data.
 | Name | Description | 
 | -------- | -------- |
 | [OhosPixelMapInfo](_ohos_pixel_map_info.md) | Defines the pixel map information.  | 
+| [OhosPixelMapCreateOps](_ohos_pixel_map_create_ops.md) |Defines the options used for creating a pixel map.  | 
 
+### Types
+
+| Name | Description | 
+| -------- | -------- |
+| [NativePixelMap](image.md#nativepixelmap) | Defines the data type name of the native pixel map.  | 
 
 ### Enums
 
@@ -29,6 +35,9 @@ Declares the APIs that can lock, access, and unlock pixel map data.
 | -------- | -------- |
 | { OHOS_IMAGE_RESULT_SUCCESS = 0, OHOS_IMAGE_RESULT_BAD_PARAMETER = -1 } | Enumerates the error codes returned by a function.  | 
 | { OHOS_PIXEL_MAP_FORMAT_NONE = 0, OHOS_PIXEL_MAP_FORMAT_RGBA_8888 = 3, OHOS_PIXEL_MAP_FORMAT_RGB_565 = 2 } | Enumerates the pixel formats.  | 
+| { OHOS_PIXEL_MAP_ALPHA_TYPE_UNKNOWN = 0, OHOS_PIXEL_MAP_ALPHA_TYPE_OPAQUE = 1, OHOS_PIXEL_MAP_ALPHA_TYPE_PREMUL = 2, OHOS_PIXEL_MAP_ALPHA_TYPE_UNPREMUL = 3 } | Enumerates the pixel map alpha types.  | 
+| { OHOS_PIXEL_MAP_SCALE_MODE_FIT_TARGET_SIZE = 0, OHOS_PIXEL_MAP_SCALE_MODE_CENTER_CROP = 1 } | Enumerates the pixel map scale modes.  | 
+| { OHOS_PIXEL_MAP_READ_ONLY = 0, OHOS_PIXEL_MAP_EDITABLE = 1 } | Enumerates the pixel map editing types.  | 
 
 
 ### Functions
@@ -38,3 +47,78 @@ Declares the APIs that can lock, access, and unlock pixel map data.
 | [OH_GetImageInfo](image.md#oh_getimageinfo) (napi_env env, napi_value value, [OhosPixelMapInfo](_ohos_pixel_map_info.md) \*info) | Obtains the **PixelMap** information and stores the information to the [OhosPixelMapInfo](_ohos_pixel_map_info.md) structure.  | 
 | [OH_AccessPixels](image.md#oh_accesspixels) (napi_env env, napi_value value, void \*\*addrPtr) | Obtains the memory address of the **PixelMap** object data and locks the memory.  | 
 | [OH_UnAccessPixels](image.md#oh_unaccesspixels) (napi_env env, napi_value value) | Unlocks the memory of the **PixelMap** object data. This function is used with [OH_AccessPixels](image.md#oh_accesspixels) in pairs.  | 
+
+
+### Variables
+
+| Name | Description | 
+| -------- | -------- |
+| [width](#width) | Image width, in pixels.  | 
+| [height](#height) | Image height, in pixels.  | 
+| [pixelFormat](#pixelformat) | Image format.  | 
+| [editable](#editable) | Editing type of the image.  | 
+| [alphaType](#alphatype) | Alpha type of the image.  | 
+| [scaleMode](#scalemode) | Scale mode of the image.  | 
+
+
+## Variable Description
+
+
+### alphaType
+
+  
+```
+uint32_t alphaType
+```
+**Description:**
+Alpha type of the image.
+
+
+### editable
+
+  
+```
+uint32_t editable
+```
+**Description:**
+Editing type of the image.
+
+
+### height
+
+  
+```
+uint32_t height
+```
+**Description:**
+Image height, in pixels.
+
+
+### pixelFormat
+
+  
+```
+int32_t pixelFormat
+```
+**Description:**
+Image format.
+
+
+### scaleMode
+
+  
+```
+uint32_t scaleMode
+```
+**Description:**
+Scale mode of the image.
+
+
+### width
+
+  
+```
+uint32_t width
+```
+**Description:**
+Image width, in pixels.