react-native-vision-camera/package/src/CodeScanner.ts
Keaton Roux 97941a919f
feat: Add UPC-A support (#2563)
* Add UPC_A support

* Add documentation for UPC-A on iOS

* Doc adjustments

---------

Co-authored-by: Keaton Roux <keaton@codehesion.co.za>
2024-03-18 15:42:57 +01:00

88 lines
1.7 KiB
TypeScript

import { Point } from './Point'
/**
* The type of the code to scan.
*/
export type CodeType =
| 'code-128'
| 'code-39'
| 'code-93'
| 'codabar'
| 'ean-13'
| 'ean-8'
| 'itf'
| 'upc-e'
| 'upc-a'
| 'qr'
| 'pdf-417'
| 'aztec'
| 'data-matrix'
/**
* The full area that is used for code scanning. In most cases, this is 1280x720 or 1920x1080.
*/
export interface CodeScannerFrame {
/**
* The width of the frame
*/
width: number
/**
* The height of the frame
*/
height: number
}
/**
* A scanned code.
*/
export interface Code {
/**
* The type of the code that was scanned.
*/
type: CodeType | 'unknown'
/**
* The string value, or null if it cannot be decoded.
*/
value?: string
/**
* The location of the code relative to the Camera Preview (in dp).
*/
frame?: {
x: number
y: number
width: number
height: number
}
/**
* The location of each corner relative to the Camera Preview (in dp).
*/
corners?: Point[]
}
/**
* A scanner for detecting codes in a Camera Stream.
*/
export interface CodeScanner {
/**
* The types of codes to configure the code scanner for.
*/
codeTypes: CodeType[]
/**
* A callback to call whenever the scanned codes change.
* @param codes The scanned codes, or an empty array if none.
* @param frame The full area that is used for scanning. Code bounds and corners are relative to this frame.
*/
onCodeScanned: (codes: Code[], frame: CodeScannerFrame) => void
/**
* Crops the scanner's view area to the specific region of interest.
*
* @platform iOS
*/
regionOfInterest?: {
x: number
y: number
width: number
height: number
}
}