image_packer_mdk.h

Overview

The image_packer_mdk.h file declares the APIs used to pack an image or a PixelMap 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

File to include: <multimedia/image_framework/image_packer_mdk.h>

System capability: SystemCapability.Multimedia.Image

Since: 11

Related module: Image

Name	Description
struct ImagePacker_Opts_	Defines the image packing options.

Name	Description
typedef struct ImagePacker_Native_ ImagePacker_Native	Defines the ImagePacker instance at the native layer.
typedef struct ImagePacker_Opts_ ImagePacker_Opts	Defines the alias of the image packing options.

Name	Description
int32_t OH_ImagePacker_Create (napi_env env, napi_value *res)	Obtains an ImagePacker object at the JavaScript native layer.
ImagePacker_Native * OH_ImagePacker_InitNative (napi_env env, napi_value packer)	Converts an ImagePacker object at the JavaScript native layer into an ImagePacker_Native object.
int32_t OH_ImagePacker_PackToData (ImagePacker_Native native, napi_value source, ImagePacker_Opts opts, uint8_t outData, size_t size)	Packs a PixelMap object or an ImagePacker object at the JavaScript native layer to a buffer (defined by outData) based on the specified ImagePacker_Opts struct.
int32_t OH_ImagePacker_PackToFile (ImagePacker_Native native, napi_value source, ImagePacker_Opts opts, int fd)	Packs a PixelMap object or an ImagePacker object at the JavaScript native layer to a file based on the specified ImagePacker_Opts struct.
int32_t OH_ImagePacker_Release (ImagePacker_Native *native)	Releases an ImagePacker_Native object.