image_packer_mdk.h
Overview
The image_packer_mdk.h file declares the APIs used to pack an image or a pixel map into a buffer or file.
The packing process is as follows:
-
Call OH_ImagePacker_Create to create an ImagePacker object.
-
Call OH_ImagePacker_InitNative to convert the ImagePacker object to an ImagePacker_Native object.
-
Call OH_ImagePacker_PackToData or OH_ImagePacker_PackToFile to pack the source into the target area with the specified packing options.
-
Call OH_ImagePacker_Release to release an ImagePacker_Native object.
Library: libimage_packer_ndk.z.so
System capability: SystemCapability.Multimedia.Image
Since: 11
Related module: Image
Summary
Structs
Name | Description |
---|---|
ImagePacker_Opts_ | Defines the image packing options. |
Types
Name | Description |
---|---|
ImagePacker_Native | Defines the ImagePacker instance at the native layer. |
ImagePacker_Opts | Defines the alias of the image packing options. |
Functions
Name | Description |
---|---|
OH_ImagePacker_Create (napi_env env, napi_value *res) | Obtains an ImagePacker object at the JavaScript native layer. |
OH_ImagePacker_InitNative (napi_env env, napi_value packer) | Converts an ImagePacker object at the JavaScript native layer to an ImagePacker_Native object. |
OH_ImagePacker_PackToData (ImagePacker_Native *native, napi_value source, ImagePacker_Opts *opts, uint8_t *outData, size_t *size) | Packs a PixelMap object at the JavaScript native layer or an ImagePacker_Native object to a buffer (defined by outData) based on the specified ImagePacker_Opts struct. |
OH_ImagePacker_PackToFile (ImagePacker_Native *native, napi_value source, ImagePacker_Opts *opts, int fd) | Packs a PixelMap object at the JavaScript native layer or an ImagePacker_Native object to a file based on the specified ImagePacker_Opts struct. |
OH_ImagePacker_Release (ImagePacker_Native *native) | Releases an ImagePacker_Native object. |