dynamsoft-label-recognizer/dist/dlr.js

Dynamsoft Label Recognizer (DLR) is an SDK designed to recognize meaningful zonal text or symbols in an image (Label). Common scenarios include price tags in supermarkets, inventory labels in warehouses, VIN codes on car windshields, driver licenses, pass

/*!
* Dynamsoft JavaScript Library
* @product Dynamsoft Label Recognizer JS Edition
* @website http://www.dynamsoft.com
* @copyright Copyright 2024, Dynamsoft Corporation
* @author Dynamsoft
* @version 3.4.32
* @fileoverview Dynamsoft JavaScript Library for Barcode Reader
* More info on dlr JS: https://www.dynamsoft.com/label-recognition/docs/web/programming/javascript/
*/
!function(e,t){"object"==typeof exports&&"undefined"!=typeof module?t(exports,require("dynamsoft-core")):"function"==typeof define&&define.amd?define(["exports","dynamsoft-core"],t):t(((e="undefined"!=typeof globalThis?globalThis:e||self).Dynamsoft=e.Dynamsoft||{},e.Dynamsoft.DLR={}),e.Dynamsoft.Core)}(this,(function(e,t){"use strict";const r="undefined"==typeof self,s="function"==typeof importScripts,a=(()=>{if(!s){if(!r&&document.currentScript){let e=document.currentScript.src,t=e.indexOf("?");if(-1!=t)e=e.substring(0,t);else{let t=e.indexOf("#");-1!=t&&(e=e.substring(0,t))}return e.substring(0,e.lastIndexOf("/")+1)}return"./"}})(),n=e=>{if(null==e&&(e="./"),r||s);else{let t=document.createElement("a");t.href=e,e=t.href}return e.endsWith("/")||(e+="/"),e};t.CoreModule.engineResourcePaths.dlr={version:"3.4.32",path:a,isInternal:!0},null==t.CoreModule.engineResourcePaths.dlrData&&(t.CoreModule.engineResourcePaths.dlrData={version:"1.0.11",path:n(a+"../../dynamsoft-label-recognizer-data@1.0.11/dist/"),isInternal:!0}),t.workerAutoResources.dlr={js:!0,wasm:!0,deps:["license","dip","dnn"]},t.workerAutoResources.dnn={wasm:!0,deps:["dip"]};const o="1.4.21";"string"!=typeof t.CoreModule.engineResourcePaths.std&&t.compareVersion(t.CoreModule.engineResourcePaths.std.version,o)<0&&(t.CoreModule.engineResourcePaths.std={version:o,path:n(a+`../../dynamsoft-capture-vision-std@${o}/dist/`),isInternal:!0});const c="2.4.31";(!t.CoreModule.engineResourcePaths.dip||"string"!=typeof t.CoreModule.engineResourcePaths.dip&&t.compareVersion(t.CoreModule.engineResourcePaths.dip.version,c)<0)&&(t.CoreModule.engineResourcePaths.dip={version:c,path:n(a+`../../dynamsoft-image-processing@${c}/dist/`),isInternal:!0});const i="1.0.20";(!t.CoreModule.engineResourcePaths.dnn||"string"!=typeof t.CoreModule.engineResourcePaths.dnn&&t.compareVersion(t.CoreModule.engineResourcePaths.dnn.version,i)<0)&&(t.CoreModule.engineResourcePaths.dnn={version:i,path:n(a+`../../dynamsoft-capture-vision-dnn@${i}/dist/`),isInternal:!0});let l=!1;class u{static getVersion(){const e=t.innerVersions.dlr&&t.innerVersions.dlr.wasm,r=t.innerVersions.dlr&&t.innerVersions.dlr.worker;return`3.4.32(Worker: ${r||"Not Loaded"}, Wasm: ${e||"Not Loaded"})`}static async loadRecognitionData(e,r){return await t.loadWasm("dlr"),await new Promise(((s,a)=>{let n=t.getNextTaskID();t.mapTaskCallBack[n]=async e=>{if(e.success){const t=e.result;if(0!==t.errorCode){let e=new Error(t.errorString);return e.errorCode=t.errorCode,a(e)}return t.isModel||(l=!0),s(t)}{let t=new Error(e.message);return t.stack=e.stack+"\n"+t.stack,a(t)}},r&&!r.endsWith("/")&&(r+="/");const o=t.handleEngineResourcePaths(t.CoreModule.engineResourcePaths);r||"ConfusableChars"!==e||(r=o.dlr),t.worker.postMessage({type:"dlr_loadData",id:n,body:{dataName:e,dataPath:r||o.dlrData}})}))}}t.mapPackageRegister.dlr={loadRecognitionData:u.loadRecognitionData,get bLoadConfusableCharsData(){return l}};const h={filterVINResult:function(e){let t="";if(18===e.characterResults.length){let t=e.characterResults[9].location.points[0].x-e.characterResults[8].location.points[1].x;t<2&&(t=2);let r=e.characterResults[1].location.points[0].x-e.characterResults[0].location.points[1].x,s=e.characterResults[17].location.points[0].x-e.characterResults[16].location.points[1].x,a=2===t?3:t;if(r-t>=a&&s-t<a)e.characterResults.shift();else if(s-t>=a&&r-t<a)e.characterResults.pop();else{e.characterResults[0].characterHConfidence>e.characterResults[17].characterHConfidence?e.characterResults.pop():e.characterResults.shift()}}else if(19===e.characterResults.length){let t=e.characterResults[10].location.points[0].x-e.characterResults[9].location.points[1].x;t<2&&(t=2);let r,s,a,n=e.characterResults[1].location.points[0].x-e.characterResults[0].location.points[1].x,o=e.characterResults[18].location.points[0].x-e.characterResults[17].location.points[1].x,c=e.characterResults[2].location.points[0].x-e.characterResults[1].location.points[1].x,i=e.characterResults[17].location.points[0].x-e.characterResults[16].location.points[1].x,l=2===t?3:t;if("1"===e.characterResults[1].characterH||"1"===e.characterResults[2].characterH||"1"===e.characterResults[16].characterH||"1"===e.characterResults[17].characterH){for(let t=9;t<e.characterResults.length;t++)if("1"!==e.characterResults[t].characterH){a=e.characterResults[t].location.points[1].x-e.characterResults[t].location.points[0].x;break}"1"===e.characterResults[1].characterH&&(r=a-(e.characterResults[1].location.points[1].x-e.characterResults[1].location.points[0].x)+3),"1"===e.characterResults[2].characterH&&(r=a-(e.characterResults[2].location.points[1].x-e.characterResults[2].location.points[0].x)+3),"1"===e.characterResults[16].characterH&&(s=a-(e.characterResults[16].location.points[1].x-e.characterResults[16].location.points[0].x)+3),"1"===e.characterResults[17].characterH&&(s=a-(e.characterResults[17].location.points[1].x-e.characterResults[17].location.points[0].x)+3)}if(c-t>=(r||l)&&i-t<(s||l))e.characterResults.splice(0,2);else if(i-t>=(s||l)&&c-t<(r||l))e.characterResults.splice(17,2);else if(n>t&&o>t)e.characterResults.pop(),e.characterResults.shift();else{let t=e.characterResults[0].characterHConfidence+e.characterResults[1].characterHConfidence,r=e.characterResults[17].characterHConfidence+e.characterResults[18].characterHConfidence,s=e.characterResults[0].characterHConfidence+e.characterResults[18].characterHConfidence,a=Math.min(t,r,s);a===t?e.characterResults.splice(0,2):a===r?e.characterResults.splice(17,2):a===s&&(e.characterResults.pop(),e.characterResults.shift())}}for(let r of e.characterResults)t+=r.characterH;return t},checkValidVIN:function(e){if(!e||17!=e.length)return!1;return(e=>{const t=new Map([["A",1],["B",2],["C",3],["D",4],["E",5],["F",6],["G",7],["H",8],["J",1],["K",2],["L",3],["M",4],["N",5],["P",7],["R",9],["S",2],["T",3],["U",4],["V",5],["W",6],["X",7],["Y",8],["Z",9],["1",1],["2",2],["3",3],["4",4],["5",5],["6",6],["7",7],["8",8],["9",9]]),r=[8,7,6,5,4,3,2,10,0,9,8,7,6,5,4,3,2];let s=0;for(let a=0;a<e.length;a++){let n=t.get(e[a]);n&&(s+=n*r[a])}return 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