Class (PngMetadata)

PngMetadata.

PNG image metadata class, which is used to store image metadata.

Since: 26.0.0

Modules to Import

import { image } from '@kit.ImageKit';

Since: 26.0.0

Model restriction: This API can be used only in the stage model.

System capability: SystemCapability.Multimedia.Image.Core

Name	Type	Read-Only	Optional	Description
xPixelsPerMeter	number	Yes	Yes	Number of pixels per meter in the X direction of a PNG image. The value is a positive integer.
software	string	Yes	Yes	Name and version number of the software used to create PNG images.
disclaimer	string	Yes	Yes	Disclaimer of a PNG image.
description	string	Yes	Yes	Description of a PNG image.
copyright	string	Yes	Yes	Copyright notice of a PNG image.
interlaceType	number	Yes	Yes	Interlace mode of a PNG image. - 0: no interlace mode. (The image is loaded sequentially from top to bottom and left to right.) - 1: interlace mode. (The image is displayed progressively through multiple scans, becoming clearer as loading proceeds.)
comment	string	Yes	Yes	Comment of a PNG image.
author	string	Yes	Yes	Author of a PNG image.
creationTime	string	Yes	Yes	Creation time of a PNG image.
modificationTime	string	Yes	Yes	Last modification time of a PNG image.
gamma	number	Yes	Yes	Gamma value of a PNG image.
yPixelsPerMeter	number	Yes	Yes	Number of pixels per meter in the Y direction of a PNG image. The value is a positive integer.
sRGBIntent	number	Yes	Yes	Standard Red Green Blue (sRGB) rendering intent of a PNG image. - 0: perceptual intent - 1: relative colorimetric intent - 2: saturation intent - 3: absolute colorimetric intent
title	string	Yes	Yes	Title of a PNG image.
warning	string	Yes	Yes	Warning information of a PNG image.