1e41f4b71Sopenharmony_ci# image_mdk.h 2e41f4b71Sopenharmony_ci 3e41f4b71Sopenharmony_ci 4e41f4b71Sopenharmony_ci## Overview 5e41f4b71Sopenharmony_ci 6e41f4b71Sopenharmony_ciDeclares the APIs used to access the image rectangle, size, format, and component data. 7e41f4b71Sopenharmony_ci 8e41f4b71Sopenharmony_ci**Library**: libimage_ndk.z.so 9e41f4b71Sopenharmony_ci 10e41f4b71Sopenharmony_ci**File to include**: <multimedia/image_framework/image_mdk.h> 11e41f4b71Sopenharmony_ci 12e41f4b71Sopenharmony_ci**Since**: 10 13e41f4b71Sopenharmony_ci 14e41f4b71Sopenharmony_ci**Related module**: [Image](image.md) 15e41f4b71Sopenharmony_ci 16e41f4b71Sopenharmony_ci 17e41f4b71Sopenharmony_ci## Summary 18e41f4b71Sopenharmony_ci 19e41f4b71Sopenharmony_ci 20e41f4b71Sopenharmony_ci### Structs 21e41f4b71Sopenharmony_ci 22e41f4b71Sopenharmony_ci| Name| Description| 23e41f4b71Sopenharmony_ci| -------- | -------- | 24e41f4b71Sopenharmony_ci| struct [OhosImageRect](_o_h_o_s_1_1_media_1_1_ohos_image_rect.md) | Defines the information about an image rectangle. | 25e41f4b71Sopenharmony_ci| struct [OhosImageComponent](_o_h_o_s_1_1_media_1_1_ohos_image_component.md) | Defines the information about an image component. | 26e41f4b71Sopenharmony_ci 27e41f4b71Sopenharmony_ci 28e41f4b71Sopenharmony_ci### Types 29e41f4b71Sopenharmony_ci 30e41f4b71Sopenharmony_ci| Name| Description| 31e41f4b71Sopenharmony_ci| -------- | -------- | 32e41f4b71Sopenharmony_ci| typedef struct ImageNative_ [ImageNative](image.md#imagenative) | Defines an image object at the native layer. | 33e41f4b71Sopenharmony_ci 34e41f4b71Sopenharmony_ci 35e41f4b71Sopenharmony_ci### Enums 36e41f4b71Sopenharmony_ci 37e41f4b71Sopenharmony_ci| Name| Description| 38e41f4b71Sopenharmony_ci| -------- | -------- | 39e41f4b71Sopenharmony_ci| { [OHOS_IMAGE_FORMAT_YCBCR_422_SP](image.md#anonymous-enum-13) = 1000,<br>[OHOS_IMAGE_FORMAT_JPEG](image.md#anonymous-enum-13) = 2000, } | Enumerates the image formats.| 40e41f4b71Sopenharmony_ci| { [OHOS_IMAGE_COMPONENT_FORMAT_YUV_Y](image.md#anonymous-enum-13-1) = 1,<br>[OHOS_IMAGE_COMPONENT_FORMAT_YUV_U](image.md#anonymous-enum-13-1) = 2,<br>[OHOS_IMAGE_COMPONENT_FORMAT_YUV_V](image.md#anonymous-enum-13-1) = 3,<br>[OHOS_IMAGE_COMPONENT_FORMAT_JPEG](image.md#anonymous-enum-13-1) = 4, } | Enumerates the image components.| 41e41f4b71Sopenharmony_ci 42e41f4b71Sopenharmony_ci 43e41f4b71Sopenharmony_ci### Functions 44e41f4b71Sopenharmony_ci 45e41f4b71Sopenharmony_ci| Name| Description| 46e41f4b71Sopenharmony_ci| -------- | -------- | 47e41f4b71Sopenharmony_ci| [ImageNative](image.md#imagenative) \* [OH_Image_InitImageNative](image.md#oh_image_initimagenative) (napi_env env, napi_value source) | Converts an **Image** object at the JavaScript native layer into an **ImageNative** object. | 48e41f4b71Sopenharmony_ci| int32_t [OH_Image_ClipRect](image.md#oh_image_cliprect) (const [ImageNative](image.md#imagenative) \*native, struct [OhosImageRect](_o_h_o_s_1_1_media_1_1_ohos_image_rect.md) \*rect) | Obtains [OhosImageRect](_o_h_o_s_1_1_media_1_1_ohos_image_rect.md) of an **ImageNative** object. | 49e41f4b71Sopenharmony_ci| int32_t [OH_Image_Size](image.md#oh_image_size) (const [ImageNative](image.md#imagenative) \*native, struct [OhosImageSize](_ohos_image_size.md) \*size) | Obtains [OhosImageSize](_ohos_image_size.md) of an **ImageNative** object. | 50e41f4b71Sopenharmony_ci| int32_t [OH_Image_Format](image.md#oh_image_format) (const [ImageNative](image.md#imagenative) \*native, int32_t \*format) | Obtains the image format of an **ImageNative** object. | 51e41f4b71Sopenharmony_ci| int32_t [OH_Image_GetComponent](image.md#oh_image_getcomponent) (const [ImageNative](image.md#imagenative) \*native, int32_t componentType, struct [OhosImageComponent](_o_h_o_s_1_1_media_1_1_ohos_image_component.md) \*componentNative) | Obtains [OhosImageComponent](_o_h_o_s_1_1_media_1_1_ohos_image_component.md) of an **ImageNative** object. | 52e41f4b71Sopenharmony_ci| int32_t [OH_Image_Release](image.md#oh_image_release) ([ImageNative](image.md#imagenative) \*native) | Releases an **ImageNative** object. | 53