import { Facial } from './libvbar-m-dxfacial.so';
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import log from './dxLogger.js'
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const dxFacialBarcode = {};
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const _native = new Facial();
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let _callbacks = {};
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/**
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* Initializes the barcode client. Must be called before any other operation.
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* @param {object} config - The configuration object.
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* @param {number} config.scanInterval - The interval between scans in milliseconds.
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* @param {number} config.scanTimeout - The timeout for a scan in milliseconds.
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* @param {number} config.roiX - The x-coordinate of the ROI.
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* @param {number} config.roiY - The y-coordinate of the ROI.
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* @example
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* dxFacialBarcode.init();
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*/
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dxFacialBarcode.init = function () {
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_native.initBarCode();
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};
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/**
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* Deinitializes the barcode client and releases resources.
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* @returns {void}
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* @example
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* dxFacialBarcode.deinit();
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*/
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dxFacialBarcode.deinit = function () {
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_native.deinitBarCode();
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};
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/**
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* Sets the callback function for barcode events.
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* @param {object} callbacks - The callback functions.
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* @param {function(object)} [callbacks.onEvent] - The callback function to handle barcode event.
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* @returns {void}
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* @example
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* dxFacialBarcode.setCallbacks({
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* onEvent: function(event) {
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* logger.info('Barcode event:', event);
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* }
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* });
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*/
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dxFacialBarcode.setCallbacks = function (callbacks) {
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if (!callbacks || !callbacks.onEvent) {
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throw new Error('Callbacks must be an object with onEvent function');
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}
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_callbacks = callbacks;
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};
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/**
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* Sets the configuration for the barcode scanner.
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* @param {object} config - The configuration object.
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* @param {number} config.scanInterval - The interval between scans in milliseconds.
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* @param {number} config.scanTimeout - The timeout for a scan in milliseconds.
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* @param {number} config.roiX - The x-coordinate of the ROI.
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* @param {number} config.roiY - The y-coordinate of the ROI.
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*/
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dxFacialBarcode.setConfig = function (config) {
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_native.setConfigBarCode(config);
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};
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/**
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* Gets the configuration for the barcode scanner.
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* @returns {object} The configuration object.
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*/
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dxFacialBarcode.getConfig = function () {
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return _native.getConfigBarCode();
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};
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/**
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* Sets the status of the barcode scanner.
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* @param {boolean} status - The status of the barcode scanner.
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*/
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dxFacialBarcode.setStatus = function (status) {
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_native.setStatusBarCode(status);
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};
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/**
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* Processes events from the barcode event queue. Should be called periodically (e.g. in setInterval).
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* Handles barcode events and calls the registered callback function.
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*
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* @example
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* setInterval(() => {
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* dxFacialBarcode.loop();
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* }, 10); // Process events every 10ms
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*/
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dxFacialBarcode.loop = function () {
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try {
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let event = _native.getBarCodeEvent();
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if (event && _callbacks.onEvent) {
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_callbacks.onEvent(event);
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}
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} catch (e) {
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log.error('Error in barcode loop:', e);
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}
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};
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/**
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* Gets the native barcode client object.
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* @returns {Object|null} The native client object, or null if not initialized.
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*/
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dxFacialBarcode.getNative = function () {
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return _native;
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};
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export default dxFacialBarcode;
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