image_pixel_map_napi.h
Overview
The image_pixel_map_napi.h file declares the APIs used to lock, access, and unlock a PixelMap.
Library: libpixelmap_ndk.z.so
File to include: <multimedia/image_framework/image_pixel_map_napi.h>
Since: 8
Deprecated from: 10
Substitute: image_pixel_map_mdk.h
Related module: Image
Summary
Structs
| Name | Description |
|---|---|
| struct OhosPixelMapInfo | Describes the information about a PixelMap. |
Enums
| Name | Description |
|---|---|
| { OHOS_IMAGE_RESULT_SUCCESS = 0, OHOS_IMAGE_RESULT_BAD_PARAMETER = -1 } | Enumerates the error codes returned by the functions. |
| { OHOS_PIXEL_MAP_FORMAT_NONE = 0, OHOS_PIXEL_MAP_FORMAT_RGBA_8888 = 3, OHOS_PIXEL_MAP_FORMAT_RGB_565 = 2 } | Enumerates the PixelMap formats. |
| { OHOS_PIXEL_MAP_SCALE_MODE_FIT_TARGET_SIZE = 0, OHOS_PIXEL_MAP_SCALE_MODE_CENTER_CROP = 1 } | Enumerates the PixelMap scale modes. |
Functions
| Name | Description |
|---|---|
| int32_t OH_GetImageInfo (napi_env env, napi_value value, OhosPixelMapInfo *info) | Obtains the information about a PixelMap object and stores the information to the OhosPixelMapInfo struct. |
| int32_t OH_AccessPixels (napi_env env, napi_value value, void **addrPtr) | Obtains the memory address of a PixelMap object and locks the memory. |
| int32_t OH_UnAccessPixels (napi_env env, napi_value value) | Unlocks the memory of a PixelMap object. This function is used with OH_AccessPixels in pairs. |
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