openharmony 鸿蒙 capi-image-nativemodule-oh-packingoptions

2026-08-25 浏览 (1)

OH_PackingOptions

typedef struct OH_PackingOptions OH_PackingOptions

Overview

OH_PackingOptions is an image encoding option struct encapsulated at the native layer. It cannot be manipulated directly; instead, functions shall be called to create and release the struct, and operate on its specific fields.

To create an OH_PackingOptions object, call OH_PackingOptions_Create.

To release an OH_PackingOptions object, call OH_PackingOptions_Release.

The table below describes the content and operation mode of the OH_PackingOptions struct.

Field TypeField NameField DescriptionOperation FunctionFunction Description
Image_MimeTypemimeTypeMIME type.OH_PackingOptions_GetMimeTypeObtains the MIME type.
Image_MimeTypemimeTypeMIME type.OH_PackingOptions_SetMimeTypeSets the MIME type.
uint32_tqualityEncoding quality.OH_PackingOptions_GetQualityObtains the encoding quality.
uint32_tqualityEncoding quality.OH_PackingOptions_SetQualitySets the encoding quality.
int32_tdesiredDynamicRangeDesired dynamic range.OH_PackingOptions_GetDesiredDynamicRangeObtains the desired dynamic range during encoding.
int32_tdesiredDynamicRangeDesired dynamic range.OH_PackingOptions_SetDesiredDynamicRangeSets the desired dynamic range during encoding.

Since: 12

Related module: Image_NativeModule

Header file: image_packer_native.h

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