1# image_packer_native.h 2 3 4## Overview 5 6The **image_packer_native.h** file declares the APIs for image encoding. 7 8**Library**: libimage_packer.so 9 10**System capability**: SystemCapability.Multimedia.Image.ImagePacker 11 12**Since**: 12 13 14**Related module**: [Image_NativeModule](_image___native_module.md) 15 16 17## Summary 18 19 20### Types 21 22| Name| Description| 23| -------- | -------- | 24| typedef struct [OH_ImagePackerNative](_image___native_module.md#oh_imagepackernative) [OH_ImagePackerNative](_image___native_module.md#oh_imagepackernative) | Defines a struct for the image packer, which is used to perform operations related to an image packer.| 25| typedef struct [OH_PackingOptions](_image___native_module.md#oh_packingoptions) [OH_PackingOptions](_image___native_module.md#oh_packingoptions) | Defines a struct for image encoding parameters.| 26 27 28### Enums 29 30| Name| Description| 31| -------- | -------- | 32| [IMAGE_PACKER_DYNAMIC_RANGE](_image___native_module.md#image_packer_dynamic_range) {<br>IMAGE_PACKER_DYNAMIC_RANGE_AUTO = 0,<br>IMAGE_PACKER_DYNAMIC_RANGE_SDR = 1<br>} | Enumerates the dynamic range for encoding.| 33 34 35### Functions 36 37| Name| Description| 38| -------- | -------- | 39| [Image_ErrorCode](_image___native_module.md#image_errorcode) [OH_PackingOptions_Create](_image___native_module.md#oh_packingoptions_create) ([OH_PackingOptions](_image___native_module.md#oh_packingoptions) \*\*options) | Creates the pointer to an **OH_PackingOptions** struct.| 40| [Image_ErrorCode](_image___native_module.md#image_errorcode) [OH_PackingOptions_GetMimeType](_image___native_module.md#oh_packingoptions_getmimetype) ([OH_PackingOptions](_image___native_module.md#oh_packingoptions) \*options, [Image_MimeType](_image___native_module.md#image_mimetype) \*format) | Obtains the MIME type.| 41| [Image_ErrorCode](_image___native_module.md#image_errorcode) [OH_PackingOptions_SetMimeType](_image___native_module.md#oh_packingoptions_setmimetype) ([OH_PackingOptions](_image___native_module.md#oh_packingoptions) \*options, [Image_MimeType](_image___native_module.md#image_mimetype) \*format) | Sets the MIME type.| 42| [Image_ErrorCode](_image___native_module.md#image_errorcode) [OH_PackingOptions_GetQuality](_image___native_module.md#oh_packingoptions_getquality) ([OH_PackingOptions](_image___native_module.md#oh_packingoptions) \*options, uint32_t \*quality) | Obtains the encoding quality.| 43| [Image_ErrorCode](_image___native_module.md#image_errorcode) [OH_PackingOptions_SetQuality](_image___native_module.md#oh_packingoptions_setquality) ([OH_PackingOptions](_image___native_module.md#oh_packingoptions) \*options, uint32_t quality) | Sets the encoding quality.| 44| [Image_ErrorCode](_image___native_module.md#image_errorcode) [OH_PackingOptions_GetDesiredDynamicRange](_image___native_module.md#oh_packingoptions_getdesireddynamicrange) ([OH_PackingOptions](_image___native_module.md#oh_packingoptions) \*options, int32_t \*desiredDynamicRange) | Obtains the desired dynamic range during encoding.| 45| [Image_ErrorCode](_image___native_module.md#image_errorcode) [OH_PackingOptions_SetDesiredDynamicRange](_image___native_module.md#oh_packingoptions_setdesireddynamicrange) ([OH_PackingOptions](_image___native_module.md#oh_packingoptions) \*options, int32_t desiredDynamicRange) | Sets the desired dynamic range during encoding.| 46| [Image_ErrorCode](_image___native_module.md#image_errorcode) [OH_PackingOptions_Release](_image___native_module.md#oh_packingoptions_release) ([OH_PackingOptions](_image___native_module.md#oh_packingoptions) \*options) | Releases the pointer to an **OH_PackingOptions** struct.| 47| [Image_ErrorCode](_image___native_module.md#image_errorcode) [OH_ImagePackerNative_Create](_image___native_module.md#oh_imagepackernative_create) ([OH_ImagePackerNative](_image___native_module.md#oh_imagepackernative) \*\*imagePacker) | Creates the pointer to an **OH_ImagePackerNative** struct.| 48| [Image_ErrorCode](_image___native_module.md#image_errorcode) [OH_ImagePackerNative_PackToDataFromImageSource](_image___native_module.md#oh_imagepackernative_packtodatafromimagesource) ([OH_ImagePackerNative](_image___native_module.md#oh_imagepackernative) \*imagePacker, [OH_PackingOptions](_image___native_module.md#oh_packingoptions) \*options, [OH_ImageSourceNative](_image___native_module.md#oh_imagesourcenative) \*imageSource, uint8_t \*outData, size_t \*size) | Encodes an image source into data in a given format.| 49| [Image_ErrorCode](_image___native_module.md#image_errorcode) [OH_ImagePackerNative_PackToDataFromPixelmap](_image___native_module.md#oh_imagepackernative_packtodatafrompixelmap) ([OH_ImagePackerNative](_image___native_module.md#oh_imagepackernative) \*imagePacker, [OH_PackingOptions](_image___native_module.md#oh_packingoptions) \*options, [OH_PixelmapNative](_image___native_module.md#oh_pixelmapnative) \*pixelmap, uint8_t \*outData, size_t \*size) | Encodes a PixelMap into data in a given format.| 50| [Image_ErrorCode](_image___native_module.md#image_errorcode) [OH_ImagePackerNative_PackToDataFromPicture](_image___native_module.md#oh_imagepackernative_packtodatafrompicture) ([OH_ImagePackerNative](_image___native_module.md#oh_imagepackernative) \*imagePacker, [OH_PackingOptions](_image___native_module.md#oh_packingoptions) \*options, [OH_PictureNative](_image___native_module.md#oh_picturenative) \*picture, uint8_t \*outData, size_t \*size) | Encodes a picture into data in a given format.| 51| [Image_ErrorCode](_image___native_module.md#image_errorcode) [OH_ImagePackerNative_PackToFileFromImageSource](_image___native_module.md#oh_imagepackernative_packtofilefromimagesource) ([OH_ImagePackerNative](_image___native_module.md#oh_imagepackernative) \*imagePacker, [OH_PackingOptions](_image___native_module.md#oh_packingoptions) \*options, [OH_ImageSourceNative](_image___native_module.md#oh_imagesourcenative) \*imageSource, int32_t fd) | Encodes an image source into a file.| 52| [Image_ErrorCode](_image___native_module.md#image_errorcode) [OH_ImagePackerNative_PackToFileFromPixelmap](_image___native_module.md#oh_imagepackernative_packtofilefrompixelmap) ([OH_ImagePackerNative](_image___native_module.md#oh_imagepackernative) \*imagePacker, [OH_PackingOptions](_image___native_module.md#oh_packingoptions) \*options, [OH_PixelmapNative](_image___native_module.md#oh_pixelmapnative) \*pixelmap, int32_t fd) | Encodes a PixelMap into a file.| 53| [Image_ErrorCode](_image___native_module.md#image_errorcode) [OH_ImagePackerNative_PackToFileFromPicture](_image___native_module.md#oh_imagepackernative_packtofilefrompicture) ([OH_ImagePackerNative](_image___native_module.md#oh_imagepackernative) \*imagePacker, [OH_PackingOptions](_image___native_module.md#oh_packingoptions) \*options, [OH_PictureNative](_image___native_module.md#oh_picturenative) \*picture, int32_t fd) | Encodes a picture into a file.| 54| [Image_ErrorCode](_image___native_module.md#image_errorcode) [OH_ImagePackerNative_Release](_image___native_module.md#oh_imagepackernative_release) ([OH_ImagePackerNative](_image___native_module.md#oh_imagepackernative) \*imagePacker) | Releases the pointer to an **OH_ImagePackerNative** struct.| 55