harmony 鸿蒙image_mdk.h

  • 2025-06-12
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image_mdk.h

Overview

The image_mdk.h file declares the APIs used to access the image rectangle, size, format, and component data.

Library: libimage_ndk.z.so

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

Since: 10

Related module: Image

Summary

Structs

Name Description
struct OhosImageRect Defines the information about an image rectangle.
struct OhosImageComponent Defines the information about an image component.

Types

Name Description
typedef struct ImageNative_ ImageNative Defines an image object at the native layer.

Enums

Name Description
{ OHOS_IMAGE_FORMAT_YCBCR_422_SP = 1000,
OHOS_IMAGE_FORMAT_JPEG = 2000, }
Enumerates the image formats.
{ OHOS_IMAGE_COMPONENT_FORMAT_YUV_Y = 1,
OHOS_IMAGE_COMPONENT_FORMAT_YUV_U = 2,
OHOS_IMAGE_COMPONENT_FORMAT_YUV_V = 3,
OHOS_IMAGE_COMPONENT_FORMAT_JPEG = 4, }
Enumerates the image components.

Functions

Name Description
ImageNative * OH_Image_InitImageNative (napi_env env, napi_value source) Converts an Image object at the JavaScript native layer into an ImageNative object.
int32_t OH_Image_ClipRect (const ImageNative *native, struct OhosImageRect *rect) Obtains OhosImageRect of an ImageNative object.
int32_t OH_Image_Size (const ImageNative *native, struct OhosImageSize *size) Obtains OhosImageSize of an ImageNative object.
int32_t OH_Image_Format (const ImageNative *native, int32_t *format) Obtains the image format of an ImageNative object.
int32_t OH_Image_GetComponent (const ImageNative *native, int32_t componentType, struct OhosImageComponent *componentNative) Obtains OhosImageComponent of an ImageNative object.
int32_t OH_Image_Release (ImageNative *native) Releases an ImageNative object.

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