`vision.qr`

Configures native QR detection and returns a qr value.

Syntax

Atlas Script

vision.qr(roi?, enabled?)

Parameters

roi Optional: Optional region of interest: a four-value [x, y, width, height] array. Pass null when the method accepts a full-frame scan.
enabled Optional: Optional boolean that turns this configured tool on or off. Use true to process it and false to keep its configuration without running it.

Return value

Returns qr.

Remarks

Configures native QR detection and returns a qr value. Read/set enabled, overlay, roi; read results, count, target.

Examples

Read QR and barcode text.atlas

qr qrCodes = vision.qr(null, true);
barcode barcodes = vision.barcode(null, true);

event on_frame() {
    target qrResult = qrCodes.target;
    target barcodeResult = barcodes.target;
    if (qrResult != null) {
        ui.status(string.format("QR: {}", qrResult.text));
    } else if (barcodeResult != null) {
        ui.status(string.format("Barcode: {}", barcodeResult.text));
    } else {
        ui.status("No code detected");
    }
}