Class (TiffMetadata)

TiffMetadata.

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

Since: 26.0.0

Modules to Import

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

Properties

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
primaryChromaticities	number[]	Yes	Yes	Chromaticity coordinates of the RGB primaries in an image.
tileWidth	number	Yes	Yes	Width of each image tile. The unit is px. The value is a positive integer.
tileLength	number	Yes	Yes	Height of each image tile. The unit is px. The value is a positive integer.
dateTime	string	Yes	Yes	Date and time associated with an image (usually the last modification time).
make	string	Yes	Yes	Capture device manufacturer.
photometricInterpretation	number	Yes	Yes	Interpretation mode of TIFF image pixel colors (such as RGB or grayscale). The value is a positive integer.
whitePoint	number[]	Yes	Yes	Chromaticity coordinates of the reference white point.
documentName	string	Yes	Yes	Document or image name.
imageDescription	string	Yes	Yes	Image content description.
software	string	Yes	Yes	Software used to create or process images.
xResolution	number	Yes	Yes	Horizontal resolution (number of pixels per resolution unit).
yResolution	number	Yes	Yes	Vertical resolution (number of pixels per resolution unit).
hostComputer	string	Yes	Yes	Host or system used for image processing.
transferFunction	string	Yes	Yes	Tone transfer curve.
artist	string	Yes	Yes	Name of the image creator or artist.
orientation	Orientation	Yes	Yes	Image orientation.
model	string	Yes	Yes	Capture device model name or ID.
resolutionUnit	number	Yes	Yes	Unit of XResolution (horizontal resolution) and YResolution (vertical resolution). The value can be inch or centimeter. The value is a positive integer.
compression	number	Yes	Yes	Compression scheme used for TIFF image data. - 1: no compression. - 5: LZW (dictionary-based lossless compression algorithm) - 7: JPEG baseline. - 8: DEFLATE (lossless compression algorithm based on LZ77 and Huffman) The value is a positive integer.
copyright	string	Yes	Yes	Copyright notice of the image.