harmony 鸿蒙@ohos.multimedia.image (Image Processing) (System API)

2025-06-12
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@ohos.multimedia.image (Image Processing) (System API)

The Image module provides APIs for image processing. You can use the APIs to create a PixelMap object with specified properties or read image pixel data (even in an area).

NOTE

The initial APIs of this module are supported since API version 12. Newly added APIs will be marked with a superscript to indicate their earliest API version.

This topic describes only the system APIs provided by the module. For details about its public APIs, see @ohos.multimedia.image (Image Processing).

Modules to Import

import image from '@ohos.multimedia.image';

DecodingOptions¹²⁺

Describes the image decoding options.

System API: This is a system API.

System capability: SystemCapability.Multimedia.Image.ImageSource

Name	Type	Readable	Writable	Description
resolutionQuality	number	Yes	Yes	Image quality.

ResolutionQuality ¹²⁺

Enumerates the image quality levels.

System capability: SystemCapability.Multimedia.Image.Core

Name	Value	Description
LOW	1	Low image quality, requiring a short decoding time. This is a system API.
MEDIUM	2	Medium image quality, requiring a medium decoding time This is a system API.
HIGH	3	High image quality, requiring a long decoding time. This is a system API.