dynamsoft-label-recognizer/dist/dlr.mjs

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/
*/
import{CoreModule as t,workerAutoResources as e,compareVersion as r,mapPackageRegister as s,innerVersions as a,loadWasm as n,getNextTaskID as c,mapTaskCallBack as o,handleEngineResourcePaths as i,worker as l}from"dynamsoft-core";const h="undefined"==typeof self,u="function"==typeof importScripts,R=(()=>{if(!u){if(!h&&document.currentScript){let t=document.currentScript.src,e=t.indexOf("?");if(-1!=e)t=t.substring(0,e);else{let e=t.indexOf("#");-1!=e&&(t=t.substring(0,e))}return t.substring(0,t.lastIndexOf("/")+1)}return"./"}})(),d=t=>{if(null==t&&(t="./"),h||u);else{let e=document.createElement("a");e.href=t,t=e.href}return t.endsWith("/")||(t+="/"),t};t.engineResourcePaths.dlr={version:"3.4.32",path:R,isInternal:!0},null==t.engineResourcePaths.dlrData&&(t.engineResourcePaths.dlrData={version:"1.0.11",path:d(R+"../../dynamsoft-label-recognizer-data@1.0.11/dist/"),isInternal:!0}),e.dlr={js:!0,wasm:!0,deps:["license","dip","dnn"]},e.dnn={wasm:!0,deps:["dip"]};const g="1.4.21";"string"!=typeof t.engineResourcePaths.std&&r(t.engineResourcePaths.std.version,g)<0&&(t.engineResourcePaths.std={version:g,path:d(R+`../../dynamsoft-capture-vision-std@${g}/dist/`),isInternal:!0});const p="2.4.31";(!t.engineResourcePaths.dip||"string"!=typeof t.engineResourcePaths.dip&&r(t.engineResourcePaths.dip.version,p)<0)&&(t.engineResourcePaths.dip={version:p,path:d(R+`../../dynamsoft-image-processing@${p}/dist/`),isInternal:!0});const f="1.0.20";(!t.engineResourcePaths.dnn||"string"!=typeof t.engineResourcePaths.dnn&&r(t.engineResourcePaths.dnn.version,f)<0)&&(t.engineResourcePaths.dnn={version:f,path:d(R+`../../dynamsoft-capture-vision-dnn@${f}/dist/`),isInternal:!0});let C=!1;class S{static getVersion(){const t=a.dlr&&a.dlr.wasm,e=a.dlr&&a.dlr.worker;return`3.4.32(Worker: ${e||"Not Loaded"}, Wasm: ${t||"Not Loaded"})`}static async loadRecognitionData(e,r){return await n("dlr"),await new Promise(((s,a)=>{let n=c();o[n]=async t=>{if(t.success){const e=t.result;if(0!==e.errorCode){let t=new Error(e.errorString);return t.errorCode=e.errorCode,a(t)}return e.isModel||(C=!0),s(e)}{let e=new Error(t.message);return e.stack=t.stack+"\n"+e.stack,a(e)}},r&&!r.endsWith("/")&&(r+="/");const h=i(t.engineResourcePaths);r||"ConfusableChars"!==e||(r=h.dlr),l.postMessage({type:"dlr_loadData",id:n,body:{dataName:e,dataPath:r||h.dlrData}})}))}}s.dlr={loadRecognitionData:S.loadRecognitionData,get bLoadConfusableCharsData(){return C}};const x={filterVINResult:function(t){let e="";if(18===t.characterResults.length){let e=t.characterResults[9].location.points[0].x-t.characterResults[8].location.points[1].x;e<2&&(e=2);let r=t.characterResults[1].location.points[0].x-t.characterResults[0].location.points[1].x,s=t.characterResults[17].location.points[0].x-t.characterResults[16].location.points[1].x,a=2===e?3:e;if(r-e>=a&&s-e<a)t.characterResults.shift();else if(s-e>=a&&r-e<a)t.characterResults.pop();else{t.characterResults[0].characterHConfidence>t.characterResults[17].characterHConfidence?t.characterResults.pop():t.characterResults.shift()}}else if(19===t.characterResults.length){let e=t.characterResults[10].location.points[0].x-t.characterResults[9].location.points[1].x;e<2&&(e=2);let r,s,a,n=t.characterResults[1].location.points[0].x-t.characterResults[0].location.points[1].x,c=t.characterResults[18].location.points[0].x-t.characterResults[17].location.points[1].x,o=t.characterResults[2].location.points[0].x-t.characterResults[1].location.points[1].x,i=t.characterResults[17].location.points[0].x-t.characterResults[16].location.points[1].x,l=2===e?3:e;if("1"===t.characterResults[1].characterH||"1"===t.characterResults[2].characterH||"1"===t.characterResults[16].characterH||"1"===t.characterResults[17].characterH){for(let e=9;e<t.characterResults.length;e++)if("1"!==t.characterResults[e].characterH){a=t.characterResults[e].location.points[1].x-t.characterResults[e].location.points[0].x;break}"1"===t.characterResults[1].characterH&&(r=a-(t.characterResults[1].location.points[1].x-t.characterResults[1].location.points[0].x)+3),"1"===t.characterResults[2].characterH&&(r=a-(t.characterResults[2].location.points[1].x-t.characterResults[2].location.points[0].x)+3),"1"===t.characterResults[16].characterH&&(s=a-(t.characterResults[16].location.points[1].x-t.characterResults[16].location.points[0].x)+3),"1"===t.characterResults[17].characterH&&(s=a-(t.characterResults[17].location.points[1].x-t.characterResults[17].location.points[0].x)+3)}if(o-e>=(r||l)&&i-e<(s||l))t.characterResults.splice(0,2);else if(i-e>=(s||l)&&o-e<(r||l))t.characterResults.splice(17,2);else if(n>e&&c>e)t.characterResults.pop(),t.characterResults.shift();else{let e=t.characterResults[0].characterHConfidence+t.characterResults[1].characterHConfidence,r=t.characterResults[17].characterHConfidence+t.characterResults[18].characterHConfidence,s=t.characterResults[0].characterHConfidence+t.characterResults[18].characterHConfidence,a=Math.min(e,r,s);a===e?t.characterResults.splice(0,2):a===r?t.characterResults.splice(17,2):a===s&&(t.characterResults.pop(),t.characterResults.shift())}}for(let r of t.characterResults)e+=r.characterH;return e},checkValidVIN:function(t){if(!t||17!=t.length)return!1;return(t=>{const e=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<t.length;a++){let n=e.get(t[a]);n&&(s+=n*r[a])}return s%11})(t).toString()===t[8]},checkValidMRP:function(t){if(!t||44!=t.length)return!1;const e=(t,e,r)=>{const s=new Map([["<",0],["0",0],["1",1],["2",2],["3",3],["4",4],["5",5],["6",6],["7",7],["8",8],["9",9],["A",10],["B",11],["C",12],["D",13],["E",14],["F",15],["G",16],["H",17],["I",18],["J",19],["K",20],["L",21],["M",22],["N",23],["O",24],["P",25],["Q",26],["R",27],["S",28],["T",29],["U",30],["V",31],["W",32],["X",33],["Y",34],["Z",35]]),a=[7,3,1];let n=0;for(let c=e,o=0;c<=r;c++){let e=s.get(t[c]);e&&(n+=e*a[o%3]),o++}return n%10},r=t.slice(0,10)+t.slice(13,20)+t.slice(21,43),s=e(t,0,8).toString(),a=e(t,13,18).toString(),n=e(t,21,26).toString(),c=e(t,28,41).toString(),o=e(r,0,r.length).toString();return s===t[9]&&a===t[19]&&n===t[27]&&c===t[42]&&o===t[43]},checkValidMRV:function(t){if(!t||44!=t.length&&36!=t.length)return!1;const e=(t,e,r)=>{const s=new Map([["<",0],["0",0],["1",1],["2",2],["3",3],["4",4],["5",5],["6",6],["7",7],["8",8],["9",9],["A",10],["B",11],["C",12],["D",13],["E",14],["F",15],["G",16],["H",17],["I",18],["J",19],["K",20],["L",21],["M",22],["N",23],["O",24],["P",25],["Q",26],["R",27],["S",28],["T",29],["U",30],["V",31],["W",32],["X",33],["Y",34],["Z",35]]),a=[7,3,1];let n=0;for(let c=e,o=0;c<=r;c++){let e=s.get(t[c]);e&&(n+=e*a[o%3]),o++}return n%10},r=e(t,0,8).toString(),s=e(t,13,18).toString(),a=e(t,21,26).toString();return r===t[9]&&s===t[19]&&a===t[27]},checkValidIDCard:function(t,e){if(!t||30!=t.length&&36!=t.length)return!1;const r=(t,e,r)=>{const s=new Map([["<",0],["0",0],["1",1],["2",2],["3",3],["4",4],["5",5],["6",6],["7",7],["8",8],["9",9],["A",10],["B",11],["C",12],["D",13],["E",14],["F",15],["G",16],["H",17],["I",18],["J",19],["K",20],["L",21],["M",22],["N",23],["O",24],["P",25],["Q",26],["R",27],["S",28],["T",29],["U",30],["V",31],["W",32],["X",33],["Y",34],["Z",35]]),a=[7,3,1];let n=0;for(let c=e,o=0;c<=r;c++){let e=s.get(t[c]);e&&(n+=e*a[o%3]),o++}return n%10};if(30===t.length){if(e&&t===e){return r(t,5,13).toString()===t[14]}if(e&&t!==e){const s=`${e.substring(5,30)}${t.substring(0,7)}${t.substring(8,15)}${t.substring(18,29)}`;return r(s,0,s.length-1).toString()===t[29]}}else if(36===t.length){const e=r(t,0,8).toString(),s=r(t,13,18).toString(),a=r(t,21,26).toString(),n=`${t.substring(0,10)}${t.substring(13,20)}${t.substring(21,28)}`,c=r(n,0,n.length-1).toString();return e===t[9]&&s===t[19]&&a===t[27]&&c===t[35]}}};var P;!function(t){t[t.RTLS_LOCALIZED=0]="RTLS_LOCALIZED",t[t.RTLS_RECOGNITION_FAILED=1]="RTLS_RECOGNITION_FAILED",t[t.RTLS_RECOGNITION_SUCCEEDED=2]="RTLS_RECOGNITION_SUCCEEDED"}(P||(P={})),o[-1]=async t=>{S.onDataLoadProgressChanged&&S.onDataLoadProgressChanged(t.resourcesPath,t.tag,{loaded:t.loaded,total:t.total})};export{P as EnumRawTextLineStatus,S as LabelRecognizerModule,x as utilsFuncs};