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qr-scanner.legacy.min.js
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(function(c,e){"object"===typeof exports&&"undefined"!==typeof module?module.exports=e():"function"===typeof define&&define.amd?define(e):(c="undefined"!==typeof globalThis?globalThis:c||self,c.QrScanner=e())})(this,function(){class c{constructor(a,b,d,f,g){var h;this._legacyCanvasSize=c.DEFAULT_CANVAS_SIZE;this._preferredCamera="environment";this._maxScansPerSecond=25;this._lastScanTimestamp=-1;this._destroyed=this._flashOn=this._paused=this._active=!1;this.$video=a;this.$canvas=document.createElement("canvas");
d&&"object"===typeof d?this._onDecode=b:(d||f||g?console.warn("You're using a deprecated version of the QrScanner constructor which will be removed in the future"):console.warn("Note that the type of the scan result passed to onDecode will change in the future. To already switch to the new api today, you can pass returnDetailedScanResult: true."),this._legacyOnDecode=b);b="object"===typeof d?d:{};this._onDecodeError=b.onDecodeError||("function"===typeof d?d:this._onDecodeError);this._calculateScanRegion=
b.calculateScanRegion||("function"===typeof f?f:this._calculateScanRegion);this._preferredCamera=b.preferredCamera||g||this._preferredCamera;this._legacyCanvasSize="number"===typeof d?d:"number"===typeof f?f:this._legacyCanvasSize;this._maxScansPerSecond=b.maxScansPerSecond||this._maxScansPerSecond;this._onPlay=this._onPlay.bind(this);this._onLoadedMetaData=this._onLoadedMetaData.bind(this);this._onVisibilityChange=this._onVisibilityChange.bind(this);this._updateOverlay=this._updateOverlay.bind(this);
a.disablePictureInPicture=!0;a.playsInline=!0;a.muted=!0;let l=!1;a.hidden&&(a.hidden=!1,l=!0);document.body.contains(a)||(document.body.appendChild(a),l=!0);d=a.parentElement;(null===(h=b.barcodeDetectorFormats)||void 0===h?0:h.length)&&c.setBarcodeDetectorFormats(b.barcodeDetectorFormats);if(b.highlightScanRegion||b.highlightCodeOutline){h=!!b.overlay;this.$overlay=b.overlay||document.createElement("div");f=this.$overlay.style;f.position="absolute";f.display="none";f.pointerEvents="none";this.$overlay.classList.add("scan-region-highlight");
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this._active=!1}pause(a=!1){const b=this;return $jscomp.asyncExecutePromiseGeneratorFunction(function*(){b._paused=!0;if(!b._active)return!0;b.$video.pause();b.$overlay&&(b.$overlay.style.display="none");let d=()=>{b.$video.srcObject instanceof MediaStream&&(c._stopVideoStream(b.$video.srcObject),b.$video.srcObject=null)};if(a)return d(),!0;yield new Promise(f=>setTimeout(f,300));if(!b._paused)return!1;d();return!0})}setCamera(a){const b=this;return $jscomp.asyncExecutePromiseGeneratorFunction(function*(){a!==
b._preferredCamera&&(b._preferredCamera=a,yield b._restartVideoStream())})}static scanImage(a,b,d,f,g=!1,h=!1){return $jscomp.asyncExecutePromiseGeneratorFunction(function*(){let l,m=!1;b&&("scanRegion"in b||"qrEngine"in b||"canvas"in b||"disallowCanvasResizing"in b||"alsoTryWithoutScanRegion"in b||"returnDetailedScanResult"in b)?(l=b.scanRegion,d=b.qrEngine,f=b.canvas,g=b.disallowCanvasResizing||!1,h=b.alsoTryWithoutScanRegion||!1,m=!0):b||d||f||g||h?console.warn("You're using a deprecated api for scanImage which will be removed in the future."):
console.warn("Note that the return type of scanImage will change in the future. To already switch to the new api today, you can pass returnDetailedScanResult: true.");let r=!!d;try{let n,q;[d,n]=yield Promise.all([d||c.createQrEngine(),c._loadImage(a)]);[f,q]=c._drawToCanvas(n,l,f,g);let p;if(d instanceof Worker){let k=d;r||c._postWorkerMessageSync(k,"inversionMode","both");p=yield new Promise((t,z)=>{let x,v,w,y=-1;v=u=>{u.data.id===y&&(k.removeEventListener("message",v),k.removeEventListener("error",
w),clearTimeout(x),null!==u.data.data?t({data:u.data.data,cornerPoints:c._convertPoints(u.data.cornerPoints,l)}):z(c.NO_QR_CODE_FOUND))};w=u=>{k.removeEventListener("message",v);k.removeEventListener("error",w);clearTimeout(x);z("Scanner error: "+(u?u.message||u:"Unknown Error"))};k.addEventListener("message",v);k.addEventListener("error",w);x=setTimeout(()=>w("timeout"),1E4);let A=q.getImageData(0,0,f.width,f.height);y=c._postWorkerMessageSync(k,"decode",A,[A.data.buffer])})}else p=yield Promise.race([new Promise((k,
t)=>window.setTimeout(()=>t("Scanner error: timeout"),1E4)),(()=>$jscomp.asyncExecutePromiseGeneratorFunction(function*(){try{var [k]=yield d.detect(f);if(!k)throw c.NO_QR_CODE_FOUND;return{data:k.rawValue,cornerPoints:c._convertPoints(k.cornerPoints,l)}}catch(t){k=t.message||t;if(/not implemented|service unavailable/.test(k))return c._disableBarcodeDetector=!0,c.scanImage(a,{scanRegion:l,canvas:f,disallowCanvasResizing:g,alsoTryWithoutScanRegion:h});throw`Scanner error: ${k}`;}}))()]);return m?p:
p.data}catch(n){if(!l||!h)throw n;let q=yield c.scanImage(a,{qrEngine:d,canvas:f,disallowCanvasResizing:g});return m?q:q.data}finally{r||c._postWorkerMessage(d,"close")}})}setGrayscaleWeights(a,b,d,f=!0){c._postWorkerMessage(this._qrEnginePromise,"grayscaleWeights",{red:a,green:b,blue:d,useIntegerApproximation:f})}setInversionMode(a){c._postWorkerMessage(this._qrEnginePromise,"inversionMode",a)}static createQrEngine(a){const b=this;return $jscomp.asyncExecutePromiseGeneratorFunction(function*(){a&&
console.warn("Specifying a worker path is not required and not supported anymore.");let d=()=>Promise.resolve().then(function(){return e}).then(g=>g.createWorker());if(!(!c._disableBarcodeDetector&&"BarcodeDetector"in window&&BarcodeDetector.getSupportedFormats&&(yield BarcodeDetector.getSupportedFormats()).includes(b.DEFAULT_FORMAT)))return d();let f=navigator.userAgentData;return f&&f.brands.some(({brand:g,version:h})=>/Chromium/i.test(g)&&113>parseInt(h))&&/mac ?OS/i.test(f.platform)&&(yield f.getHighEntropyValues(["architecture",
"platformVersion"]).then(({architecture:g,platformVersion:h})=>/arm/i.test(g||"arm")&&13<=parseInt(h||"13")).catch(()=>!0))?d():new BarcodeDetector({formats:b._barcodeDetectorFormats})})}_onPlay(){this._scanRegion=this._calculateScanRegion(this.$video);this._updateOverlay();this.$overlay&&(this.$overlay.style.display="");this._scanFrame()}_onLoadedMetaData(){this._scanRegion=this._calculateScanRegion(this.$video);this._updateOverlay()}_onVisibilityChange(){document.hidden?this.pause():this._active&&
this.start()}_calculateScanRegion(a){let b=Math.round(2/3*Math.min(a.videoWidth,a.videoHeight));return{x:Math.round((a.videoWidth-b)/2),y:Math.round((a.videoHeight-b)/2),width:b,height:b,downScaledWidth:this._legacyCanvasSize,downScaledHeight:this._legacyCanvasSize}}_updateOverlay(){requestAnimationFrame(()=>{if(this.$overlay){var a=this.$video,b=a.videoWidth,d=a.videoHeight,f=a.offsetWidth,g=a.offsetHeight,h=a.offsetLeft,l=a.offsetTop,m=window.getComputedStyle(a),r=m.objectFit,n=b/d,q=f/g;switch(r){case "none":var p=
b;var k=d;break;case "fill":p=f;k=g;break;default:("cover"===r?n>q:n<q)?(k=g,p=k*n):(p=f,k=p/n),"scale-down"===r&&(p=Math.min(p,b),k=Math.min(k,d))}var [t,z]=m.objectPosition.split(" ").map((v,w)=>{const y=parseFloat(v);return v.endsWith("%")?(w?g-k:f-p)*y/100:y});m=this._scanRegion.width||b;q=this._scanRegion.height||d;r=this._scanRegion.x||0;var x=this._scanRegion.y||0;n=this.$overlay.style;n.width=`${m/b*p}px`;n.height=`${q/d*k}px`;n.top=`${l+z+x/d*k}px`;d=/scaleX\(-1\)/.test(a.style.transform);
n.left=`${h+(d?f-t-p:t)+(d?b-r-m:r)/b*p}px`;n.transform=a.style.transform}})}static _convertPoints(a,b){if(!b)return a;let d=b.x||0,f=b.y||0,g=b.width&&b.downScaledWidth?b.width/b.downScaledWidth:1;b=b.height&&b.downScaledHeight?b.height/b.downScaledHeight:1;for(let h of a)h.x=h.x*g+d,h.y=h.y*b+f;return a}_scanFrame(){!this._active||this.$video.paused||this.$video.ended||("requestVideoFrameCallback"in this.$video?this.$video.requestVideoFrameCallback.bind(this.$video):requestAnimationFrame)(()=>{const a=
this;return $jscomp.asyncExecutePromiseGeneratorFunction(function*(){if(!(1>=a.$video.readyState)){var b=Date.now()-a._lastScanTimestamp,d=1E3/a._maxScansPerSecond;b<d&&(yield new Promise(g=>setTimeout(g,d-b)));a._lastScanTimestamp=Date.now();try{var f=yield c.scanImage(a.$video,{scanRegion:a._scanRegion,qrEngine:a._qrEnginePromise,canvas:a.$canvas})}catch(g){if(!a._active)return;a._onDecodeError(g)}!c._disableBarcodeDetector||(yield a._qrEnginePromise)instanceof Worker||(a._qrEnginePromise=c.createQrEngine());
f?(a._onDecode?a._onDecode(f):a._legacyOnDecode&&a._legacyOnDecode(f.data),a.$codeOutlineHighlight&&(clearTimeout(a._codeOutlineHighlightRemovalTimeout),a._codeOutlineHighlightRemovalTimeout=void 0,a.$codeOutlineHighlight.setAttribute("viewBox",`${a._scanRegion.x||0} `+`${a._scanRegion.y||0} `+`${a._scanRegion.width||a.$video.videoWidth} `+`${a._scanRegion.height||a.$video.videoHeight}`),a.$codeOutlineHighlight.firstElementChild.setAttribute("points",f.cornerPoints.map(({x:g,y:h})=>`${g},${h}`).join(" ")),
a.$codeOutlineHighlight.style.display="")):a.$codeOutlineHighlight&&!a._codeOutlineHighlightRemovalTimeout&&(a._codeOutlineHighlightRemovalTimeout=setTimeout(()=>a.$codeOutlineHighlight.style.display="none",100))}a._scanFrame()})})}_onDecodeError(a){a!==c.NO_QR_CODE_FOUND&&console.log(a)}_getCameraStream(){const a=this;return $jscomp.asyncExecutePromiseGeneratorFunction(function*(){if(!navigator.mediaDevices)throw"Camera not found.";let b=/^(environment|user)$/.test(a._preferredCamera)?"facingMode":
"deviceId",d=[{width:{min:1024}},{width:{min:768}},{}],f=d.map(g=>Object.assign({},g,{[b]:{exact:a._preferredCamera}}));for(let g of[...f,...d])try{let h=yield navigator.mediaDevices.getUserMedia({video:g,audio:!1}),l=a._getFacingMode(h)||(g.facingMode?a._preferredCamera:"environment"===a._preferredCamera?"user":"environment");return{stream:h,facingMode:l}}catch(h){}throw"Camera not found.";})}_restartVideoStream(){const a=this;return $jscomp.asyncExecutePromiseGeneratorFunction(function*(){let b=
a._paused;(yield a.pause(!0))&&!b&&a._active&&(yield a.start())})}static _stopVideoStream(a){for(let b of a.getTracks())b.stop(),a.removeTrack(b)}_setVideoMirror(a){this.$video.style.transform="scaleX("+("user"===a?-1:1)+")"}_getFacingMode(a){return(a=a.getVideoTracks()[0])?/rear|back|environment/i.test(a.label)?"environment":/front|user|face/i.test(a.label)?"user":null:null}static _drawToCanvas(a,b,d,f=!1){d=d||document.createElement("canvas");let g=b&&b.x?b.x:0,h=b&&b.y?b.y:0,l=b&&b.width?b.width:
a.videoWidth||a.width,m=b&&b.height?b.height:a.videoHeight||a.height;f||(f=b&&b.downScaledWidth?b.downScaledWidth:l,b=b&&b.downScaledHeight?b.downScaledHeight:m,d.width!==f&&(d.width=f),d.height!==b&&(d.height=b));b=d.getContext("2d",{alpha:!1});b.imageSmoothingEnabled=!1;b.drawImage(a,g,h,l,m,0,0,d.width,d.height);return[d,b]}static _loadImage(a){return $jscomp.asyncExecutePromiseGeneratorFunction(function*(){if(a instanceof Image)return yield c._awaitImageLoad(a),a;if(a instanceof HTMLVideoElement||
a instanceof HTMLCanvasElement||a instanceof SVGImageElement||"OffscreenCanvas"in window&&a instanceof OffscreenCanvas||"ImageBitmap"in window&&a instanceof ImageBitmap)return a;if(a instanceof File||a instanceof Blob||a instanceof URL||"string"===typeof a){let b=new Image;b.src=a instanceof File||a instanceof Blob?URL.createObjectURL(a):a.toString();try{return yield c._awaitImageLoad(b),b}finally{(a instanceof File||a instanceof Blob)&&URL.revokeObjectURL(b.src)}}else throw"Unsupported image type.";
})}static _awaitImageLoad(a){return $jscomp.asyncExecutePromiseGeneratorFunction(function*(){a.complete&&0!==a.naturalWidth||(yield new Promise((b,d)=>{let f=g=>{a.removeEventListener("load",f);a.removeEventListener("error",f);g instanceof ErrorEvent?d("Image load error"):b()};a.addEventListener("load",f);a.addEventListener("error",f)}))})}static _postWorkerMessage(a,b,d,f){return $jscomp.asyncExecutePromiseGeneratorFunction(function*(){return c._postWorkerMessageSync(yield a,b,d,f)})}static _postWorkerMessageSync(a,
b,d,f){if(!(a instanceof Worker))return-1;let g=c._workerMessageId++;a.postMessage({id:g,type:b,data:d},f);return g}}c.DEFAULT_CANVAS_SIZE=400;c.DEFAULT_FORMAT="qr_code";c.NO_QR_CODE_FOUND="No QR code found";c._disableBarcodeDetector=!1;c._workerMessageId=0;c._barcodeDetectorFormats=[c.DEFAULT_FORMAT];var e=Object.freeze({__proto__:null,createWorker:()=>new Worker(URL.createObjectURL(new Blob(['class x{constructor(a,b){this.width=b;this.height=a.length/b;this.data=a}static createEmpty(a,b){return new x(new Uint8ClampedArray(a*b),a)}get(a,b){return 0>a||a>=this.width||0>b||b>=this.height?!1:!!this.data[b*this.width+a]}set(a,b,c){this.data[b*this.width+a]=c?1:0}setRegion(a,b,c,d,e){for(let f=b;f<b+d;f++)for(let g=a;g<a+c;g++)this.set(g,f,!!e)}}\nclass A{constructor(a,b,c){this.width=a;a*=b;if(c&&c.length!==a)throw Error("Wrong buffer size");this.data=c||new Uint8ClampedArray(a)}get(a,b){return this.data[b*this.width+a]}set(a,b,c){this.data[b*this.width+a]=c}}\nclass ba{constructor(a){this.bitOffset=this.byteOffset=0;this.bytes=a}readBits(a){if(1>a||32<a||a>this.available())throw Error("Cannot read "+a.toString()+" bits");var b=0;if(0<this.bitOffset){b=8-this.bitOffset;var c=a<b?a:b;b-=c;b=(this.bytes[this.byteOffset]&255>>8-c<<b)>>b;a-=c;this.bitOffset+=c;8===this.bitOffset&&(this.bitOffset=0,this.byteOffset++)}if(0<a){for(;8<=a;)b=b<<8|this.bytes[this.byteOffset]&255,this.byteOffset++,a-=8;0<a&&(c=8-a,b=b<<a|(this.bytes[this.byteOffset]&255>>c<<c)>>c,\nthis.bitOffset+=a)}return b}available(){return 8*(this.bytes.length-this.byteOffset)-this.bitOffset}}var B,C=B||(B={});C.Numeric="numeric";C.Alphanumeric="alphanumeric";C.Byte="byte";C.Kanji="kanji";C.ECI="eci";C.StructuredAppend="structuredappend";var D,E=D||(D={});E[E.Terminator=0]="Terminator";E[E.Numeric=1]="Numeric";E[E.Alphanumeric=2]="Alphanumeric";E[E.Byte=4]="Byte";E[E.Kanji=8]="Kanji";E[E.ECI=7]="ECI";E[E.StructuredAppend=3]="StructuredAppend";let F="0123456789ABCDEFGHIJKLMNOPQRSTUVWXYZ $%*+-./:".split("");\nfunction ca(a,b){let c=[],d="";b=a.readBits([8,16,16][b]);for(let e=0;e<b;e++){let f=a.readBits(8);c.push(f)}try{d+=decodeURIComponent(c.map(e=>`%${("0"+e.toString(16)).substr(-2)}`).join(""))}catch(e){}return{bytes:c,text:d}}\nfunction da(a,b){a=new ba(a);let c=9>=b?0:26>=b?1:2;for(b={text:"",bytes:[],chunks:[],version:b};4<=a.available();){var d=a.readBits(4);if(d===D.Terminator)return b;if(d===D.ECI)0===a.readBits(1)?b.chunks.push({type:B.ECI,assignmentNumber:a.readBits(7)}):0===a.readBits(1)?b.chunks.push({type:B.ECI,assignmentNumber:a.readBits(14)}):0===a.readBits(1)?b.chunks.push({type:B.ECI,assignmentNumber:a.readBits(21)}):b.chunks.push({type:B.ECI,assignmentNumber:-1});else if(d===D.Numeric){var e=a,f=[];d="";for(var g=\ne.readBits([10,12,14][c]);3<=g;){var h=e.readBits(10);if(1E3<=h)throw Error("Invalid numeric value above 999");var k=Math.floor(h/100),m=Math.floor(h/10)%10;h%=10;f.push(48+k,48+m,48+h);d+=k.toString()+m.toString()+h.toString();g-=3}if(2===g){g=e.readBits(7);if(100<=g)throw Error("Invalid numeric value above 99");e=Math.floor(g/10);g%=10;f.push(48+e,48+g);d+=e.toString()+g.toString()}else if(1===g){e=e.readBits(4);if(10<=e)throw Error("Invalid numeric value above 9");f.push(48+e);d+=e.toString()}b.text+=\nd;b.bytes.push(...f);b.chunks.push({type:B.Numeric,text:d})}else if(d===D.Alphanumeric){e=a;f=[];d="";for(g=e.readBits([9,11,13][c]);2<=g;)m=e.readBits(11),k=Math.floor(m/45),m%=45,f.push(F[k].charCodeAt(0),F[m].charCodeAt(0)),d+=F[k]+F[m],g-=2;1===g&&(e=e.readBits(6),f.push(F[e].charCodeAt(0)),d+=F[e]);b.text+=d;b.bytes.push(...f);b.chunks.push({type:B.Alphanumeric,text:d})}else if(d===D.Byte)d=ca(a,c),b.text+=d.text,b.bytes.push(...d.bytes),b.chunks.push({type:B.Byte,bytes:d.bytes,text:d.text});\nelse if(d===D.Kanji){f=a;d=[];e=f.readBits([8,10,12][c]);for(g=0;g<e;g++)k=f.readBits(13),k=Math.floor(k/192)<<8|k%192,k=7936>k?k+33088:k+49472,d.push(k>>8,k&255);f=(new TextDecoder("shift-jis")).decode(Uint8Array.from(d));b.text+=f;b.bytes.push(...d);b.chunks.push({type:B.Kanji,bytes:d,text:f})}else d===D.StructuredAppend&&b.chunks.push({type:B.StructuredAppend,currentSequence:a.readBits(4),totalSequence:a.readBits(4),parity:a.readBits(8)})}if(0===a.available()||0===a.readBits(a.available()))return b}\nclass G{constructor(a,b){if(0===b.length)throw Error("No coefficients.");this.field=a;let c=b.length;if(1<c&&0===b[0]){let d=1;for(;d<c&&0===b[d];)d++;if(d===c)this.coefficients=a.zero.coefficients;else for(this.coefficients=new Uint8ClampedArray(c-d),a=0;a<this.coefficients.length;a++)this.coefficients[a]=b[d+a]}else this.coefficients=b}degree(){return this.coefficients.length-1}isZero(){return 0===this.coefficients[0]}getCoefficient(a){return this.coefficients[this.coefficients.length-1-a]}addOrSubtract(a){if(this.isZero())return a;\nif(a.isZero())return this;let b=this.coefficients;a=a.coefficients;b.length>a.length&&([b,a]=[a,b]);let c=new Uint8ClampedArray(a.length),d=a.length-b.length;for(var e=0;e<d;e++)c[e]=a[e];for(e=d;e<a.length;e++)c[e]=b[e-d]^a[e];return new G(this.field,c)}multiply(a){if(0===a)return this.field.zero;if(1===a)return this;let b=this.coefficients.length,c=new Uint8ClampedArray(b);for(let d=0;d<b;d++)c[d]=this.field.multiply(this.coefficients[d],a);return new G(this.field,c)}multiplyPoly(a){if(this.isZero()||\na.isZero())return this.field.zero;let b=this.coefficients,c=b.length;a=a.coefficients;let d=a.length,e=new Uint8ClampedArray(c+d-1);for(let f=0;f<c;f++){let g=b[f];for(let h=0;h<d;h++)e[f+h]=H(e[f+h],this.field.multiply(g,a[h]))}return new G(this.field,e)}multiplyByMonomial(a,b){if(0>a)throw Error("Invalid degree less than 0");if(0===b)return this.field.zero;let c=this.coefficients.length;a=new Uint8ClampedArray(c+a);for(let d=0;d<c;d++)a[d]=this.field.multiply(this.coefficients[d],b);return new G(this.field,\na)}evaluateAt(a){let b=0;if(0===a)return this.getCoefficient(0);let c=this.coefficients.length;if(1===a)return this.coefficients.forEach(d=>{b^=d}),b;b=this.coefficients[0];for(let d=1;d<c;d++)b=H(this.field.multiply(a,b),this.coefficients[d]);return b}}function H(a,b){return a^b}\nclass ea{constructor(a,b,c){this.primitive=a;this.size=b;this.generatorBase=c;this.expTable=Array(this.size);this.logTable=Array(this.size);a=1;for(b=0;b<this.size;b++)this.expTable[b]=a,a*=2,a>=this.size&&(a=(a^this.primitive)&this.size-1);for(a=0;a<this.size-1;a++)this.logTable[this.expTable[a]]=a;this.zero=new G(this,Uint8ClampedArray.from([0]));this.one=new G(this,Uint8ClampedArray.from([1]))}multiply(a,b){return 0===a||0===b?0:this.expTable[(this.logTable[a]+this.logTable[b])%(this.size-1)]}inverse(a){if(0===\na)throw Error("Can\'t invert 0");return this.expTable[this.size-this.logTable[a]-1]}buildMonomial(a,b){if(0>a)throw Error("Invalid monomial degree less than 0");if(0===b)return this.zero;a=new Uint8ClampedArray(a+1);a[0]=b;return new G(this,a)}log(a){if(0===a)throw Error("Can\'t take log(0)");return this.logTable[a]}exp(a){return this.expTable[a]}}\nfunction fa(a,b,c,d){b.degree()<c.degree()&&([b,c]=[c,b]);let e=a.zero;for(var f=a.one;c.degree()>=d/2;){var g=b;let h=e;b=c;e=f;if(b.isZero())return null;c=g;f=a.zero;g=b.getCoefficient(b.degree());for(g=a.inverse(g);c.degree()>=b.degree()&&!c.isZero();){let k=c.degree()-b.degree(),m=a.multiply(c.getCoefficient(c.degree()),g);f=f.addOrSubtract(a.buildMonomial(k,m));c=c.addOrSubtract(b.multiplyByMonomial(k,m))}f=f.multiplyPoly(e).addOrSubtract(h);if(c.degree()>=b.degree())return null}d=f.getCoefficient(0);\nif(0===d)return null;a=a.inverse(d);return[f.multiply(a),c.multiply(a)]}\nfunction ha(a,b){let c=new Uint8ClampedArray(a.length);c.set(a);a=new ea(285,256,0);var d=new G(a,c),e=new Uint8ClampedArray(b),f=!1;for(var g=0;g<b;g++){var h=d.evaluateAt(a.exp(g+a.generatorBase));e[e.length-1-g]=h;0!==h&&(f=!0)}if(!f)return c;d=new G(a,e);d=fa(a,a.buildMonomial(b,1),d,b);if(null===d)return null;b=d[0];g=b.degree();if(1===g)b=[b.getCoefficient(1)];else{e=Array(g);f=0;for(h=1;h<a.size&&f<g;h++)0===b.evaluateAt(h)&&(e[f]=a.inverse(h),f++);b=f!==g?null:e}if(null==b)return null;e=d[1];\nf=b.length;d=Array(f);for(g=0;g<f;g++){h=a.inverse(b[g]);let k=1;for(let m=0;m<f;m++)g!==m&&(k=a.multiply(k,H(1,a.multiply(b[m],h))));d[g]=a.multiply(e.evaluateAt(h),a.inverse(k));0!==a.generatorBase&&(d[g]=a.multiply(d[g],h))}for(e=0;e<b.length;e++){f=c.length-1-a.log(b[e]);if(0>f)return null;c[f]^=d[e]}return c}\nlet I=[{infoBits:null,versionNumber:1,alignmentPatternCenters:[],errorCorrectionLevels:[{ecCodewordsPerBlock:7,ecBlocks:[{numBlocks:1,dataCodewordsPerBlock:19}]},{ecCodewordsPerBlock:10,ecBlocks:[{numBlocks:1,dataCodewordsPerBlock:16}]},{ecCodewordsPerBlock:13,ecBlocks:[{numBlocks:1,dataCodewordsPerBlock:13}]},{ecCodewordsPerBlock:17,ecBlocks:[{numBlocks:1,dataCodewordsPerBlock:9}]}]},{infoBits:null,versionNumber:2,alignmentPatternCenters:[6,18],errorCorrectionLevels:[{ecCodewordsPerBlock:10,ecBlocks:[{numBlocks:1,\ndataCodewordsPerBlock:34}]},{ecCodewordsPerBlock:16,ecBlocks:[{numBlocks:1,dataCodewordsPerBlock:28}]},{ecCodewordsPerBlock:22,ecBlocks:[{numBlocks:1,dataCodewordsPerBlock:22}]},{ecCodewordsPerBlock:28,ecBlocks:[{numBlocks:1,dataCodewordsPerBlock:16}]}]},{infoBits:null,versionNumber:3,alignmentPatternCenters:[6,22],errorCorrectionLevels:[{ecCodewordsPerBlock:15,ecBlocks:[{numBlocks:1,dataCodewordsPerBlock:55}]},{ecCodewordsPerBlock:26,ecBlocks:[{numBlocks:1,dataCodewordsPerBlock:44}]},{ecCodewordsPerBlock:18,\necBlocks:[{numBlocks:2,dataCodewordsPerBlock:17}]},{ecCodewordsPerBlock:22,ecBlocks:[{numBlocks:2,dataCodewordsPerBlock:13}]}]},{infoBits:null,versionNumber:4,alignmentPatternCenters:[6,26],errorCorrectionLevels:[{ecCodewordsPerBlock:20,ecBlocks:[{numBlocks:1,dataCodewordsPerBlock:80}]},{ecCodewordsPerBlock:18,ecBlocks:[{numBlocks:2,dataCodewordsPerBlock:32}]},{ecCodewordsPerBlock:26,ecBlocks:[{numBlocks:2,dataCodewordsPerBlock:24}]},{ecCodewordsPerBlock:16,ecBlocks:[{numBlocks:4,dataCodewordsPerBlock:9}]}]},\n{infoBits:null,versionNumber:5,alignmentPatternCenters:[6,30],errorCorrectionLevels:[{ecCodewordsPerBlock:26,ecBlocks:[{numBlocks:1,dataCodewordsPerBlock:108}]},{ecCodewordsPerBlock:24,ecBlocks:[{numBlocks:2,dataCodewordsPerBlock:43}]},{ecCodewordsPerBlock:18,ecBlocks:[{numBlocks:2,dataCodewordsPerBlock:15},{numBlocks:2,dataCodewordsPerBlock:16}]},{ecCodewordsPerBlock:22,ecBlocks:[{numBlocks:2,dataCodewordsPerBlock:11},{numBlocks:2,dataCodewordsPerBlock:12}]}]},{infoBits:null,versionNumber:6,alignmentPatternCenters:[6,\n34],errorCorrectionLevels:[{ecCodewordsPerBlock:18,ecBlocks:[{numBlocks:2,dataCodewordsPerBlock:68}]},{ecCodewordsPerBlock:16,ecBlocks:[{numBlocks:4,dataCodewordsPerBlock:27}]},{ecCodewordsPerBlock:24,ecBlocks:[{numBlocks:4,dataCodewordsPerBlock:19}]},{ecCodewordsPerBlock:28,ecBlocks:[{numBlocks:4,dataCodewordsPerBlock:15}]}]},{infoBits:31892,versionNumber:7,alignmentPatternCenters:[6,22,38],errorCorrectionLevels:[{ecCodewordsPerBlock:20,ecBlocks:[{numBlocks:2,dataCodewordsPerBlock:78}]},{ecCodewordsPerBlock:18,\necBlocks:[{numBlocks:4,dataCodewordsPerBlock:31}]},{ecCodewordsPerBlock:18,ecBlocks:[{numBlocks:2,dataCodewordsPerBlock:14},{numBlocks:4,dataCodewordsPerBlock:15}]},{ecCodewordsPerBlock:26,ecBlocks:[{numBlocks:4,dataCodewordsPerBlock:13},{numBlocks:1,dataCodewordsPerBlock:14}]}]},{infoBits:34236,versionNumber:8,alignmentPatternCenters:[6,24,42],errorCorrectionLevels:[{ecCodewordsPerBlock:24,ecBlocks:[{numBlocks:2,dataCodewordsPerBlock:97}]},{ecCodewordsPerBlock:22,ecBlocks:[{numBlocks:2,dataCodewordsPerBlock:38},\n{numBlocks:2,dataCodewordsPerBlock:39}]},{ecCodewordsPerBlock:22,ecBlocks:[{numBlocks:4,dataCodewordsPerBlock:18},{numBlocks:2,dataCodewordsPerBlock:19}]},{ecCodewordsPerBlock:26,ecBlocks:[{numBlocks:4,dataCodewordsPerBlock:14},{numBlocks:2,dataCodewordsPerBlock:15}]}]},{infoBits:39577,versionNumber:9,alignmentPatternCenters:[6,26,46],errorCorrectionLevels:[{ecCodewordsPerBlock:30,ecBlocks:[{numBlocks:2,dataCodewordsPerBlock:116}]},{ecCodewordsPerBlock:22,ecBlocks:[{numBlocks:3,dataCodewordsPerBlock:36},\n{numBlocks:2,dataCodewordsPerBlock:37}]},{ecCodewordsPerBlock:20,ecBlocks:[{numBlocks:4,dataCodewordsPerBlock:16},{numBlocks:4,dataCodewordsPerBlock:17}]},{ecCodewordsPerBlock:24,ecBlocks:[{numBlocks:4,dataCodewordsPerBlock:12},{numBlocks:4,dataCodewordsPerBlock:13}]}]},{infoBits:42195,versionNumber:10,alignmentPatternCenters:[6,28,50],errorCorrectionLevels:[{ecCodewordsPerBlock:18,ecBlocks:[{numBlocks:2,dataCodewordsPerBlock:68},{numBlocks:2,dataCodewordsPerBlock:69}]},{ecCodewordsPerBlock:26,ecBlocks:[{numBlocks:4,\ndataCodewordsPerBlock:43},{numBlocks:1,dataCodewordsPerBlock:44}]},{ecCodewordsPerBlock:24,ecBlocks:[{numBlocks:6,dataCodewordsPerBlock:19},{numBlocks:2,dataCodewordsPerBlock:20}]},{ecCodewordsPerBlock:28,ecBlocks:[{numBlocks:6,dataCodewordsPerBlock:15},{numBlocks:2,dataCodewordsPerBlock:16}]}]},{infoBits:48118,versionNumber:11,alignmentPatternCenters:[6,30,54],errorCorrectionLevels:[{ecCodewordsPerBlock:20,ecBlocks:[{numBlocks:4,dataCodewordsPerBlock:81}]},{ecCodewordsPerBlock:30,ecBlocks:[{numBlocks:1,\ndataCodewordsPerBlock:50},{numBlocks:4,dataCodewordsPerBlock:51}]},{ecCodewordsPerBlock:28,ecBlocks:[{numBlocks:4,dataCodewordsPerBlock:22},{numBlocks:4,dataCodewordsPerBlock:23}]},{ecCodewordsPerBlock:24,ecBlocks:[{numBlocks:3,dataCodewordsPerBlock:12},{numBlocks:8,dataCodewordsPerBlock:13}]}]},{infoBits:51042,versionNumber:12,alignmentPatternCenters:[6,32,58],errorCorrectionLevels:[{ecCodewordsPerBlock:24,ecBlocks:[{numBlocks:2,dataCodewordsPerBlock:92},{numBlocks:2,dataCodewordsPerBlock:93}]},\n{ecCodewordsPerBlock:22,ecBlocks:[{numBlocks:6,dataCodewordsPerBlock:36},{numBlocks:2,dataCodewordsPerBlock:37}]},{ecCodewordsPerBlock:26,ecBlocks:[{numBlocks:4,dataCodewordsPerBlock:20},{numBlocks:6,dataCodewordsPerBlock:21}]},{ecCodewordsPerBlock:28,ecBlocks:[{numBlocks:7,dataCodewordsPerBlock:14},{numBlocks:4,dataCodewordsPerBlock:15}]}]},{infoBits:55367,versionNumber:13,alignmentPatternCenters:[6,34,62],errorCorrectionLevels:[{ecCodewordsPerBlock:26,ecBlocks:[{numBlocks:4,dataCodewordsPerBlock:107}]},\n{ecCodewordsPerBlock:22,ecBlocks:[{numBlocks:8,dataCodewordsPerBlock:37},{numBlocks:1,dataCodewordsPerBlock:38}]},{ecCodewordsPerBlock:24,ecBlocks:[{numBlocks:8,dataCodewordsPerBlock:20},{numBlocks:4,dataCodewordsPerBlock:21}]},{ecCodewordsPerBlock:22,ecBlocks:[{numBlocks:12,dataCodewordsPerBlock:11},{numBlocks:4,dataCodewordsPerBlock:12}]}]},{infoBits:58893,versionNumber:14,alignmentPatternCenters:[6,26,46,66],errorCorrectionLevels:[{ecCodewordsPerBlock:30,ecBlocks:[{numBlocks:3,dataCodewordsPerBlock:115},\n{numBlocks:1,dataCodewordsPerBlock:116}]},{ecCodewordsPerBlock:24,ecBlocks:[{numBlocks:4,dataCodewordsPerBlock:40},{numBlocks:5,dataCodewordsPerBlock:41}]},{ecCodewordsPerBlock:20,ecBlocks:[{numBlocks:11,dataCodewordsPerBlock:16},{numBlocks:5,dataCodewordsPerBlock:17}]},{ecCodewordsPerBlock:24,ecBlocks:[{numBlocks:11,dataCodewordsPerBlock:12},{numBlocks:5,dataCodewordsPerBlock:13}]}]},{infoBits:63784,versionNumber:15,alignmentPatternCenters:[6,26,48,70],errorCorrectionLevels:[{ecCodewordsPerBlock:22,\necBlocks:[{numBlocks:5,dataCodewordsPerBlock:87},{numBlocks:1,dataCodewordsPerBlock:88}]},{ecCodewordsPerBlock:24,ecBlocks:[{numBlocks:5,dataCodewordsPerBlock:41},{numBlocks:5,dataCodewordsPerBlock:42}]},{ecCodewordsPerBlock:30,ecBlocks:[{numBlocks:5,dataCodewordsPerBlock:24},{numBlocks:7,dataCodewordsPerBlock:25}]},{ecCodewordsPerBlock:24,ecBlocks:[{numBlocks:11,dataCodewordsPerBlock:12},{numBlocks:7,dataCodewordsPerBlock:13}]}]},{infoBits:68472,versionNumber:16,alignmentPatternCenters:[6,26,50,\n74],errorCorrectionLevels:[{ecCodewordsPerBlock:24,ecBlocks:[{numBlocks:5,dataCodewordsPerBlock:98},{numBlocks:1,dataCodewordsPerBlock:99}]},{ecCodewordsPerBlock:28,ecBlocks:[{numBlocks:7,dataCodewordsPerBlock:45},{numBlocks:3,dataCodewordsPerBlock:46}]},{ecCodewordsPerBlock:24,ecBlocks:[{numBlocks:15,dataCodewordsPerBlock:19},{numBlocks:2,dataCodewordsPerBlock:20}]},{ecCodewordsPerBlock:30,ecBlocks:[{numBlocks:3,dataCodewordsPerBlock:15},{numBlocks:13,dataCodewordsPerBlock:16}]}]},{infoBits:70749,\nversionNumber:17,alignmentPatternCenters:[6,30,54,78],errorCorrectionLevels:[{ecCodewordsPerBlock:28,ecBlocks:[{numBlocks:1,dataCodewordsPerBlock:107},{numBlocks:5,dataCodewordsPerBlock:108}]},{ecCodewordsPerBlock:28,ecBlocks:[{numBlocks:10,dataCodewordsPerBlock:46},{numBlocks:1,dataCodewordsPerBlock:47}]},{ecCodewordsPerBlock:28,ecBlocks:[{numBlocks:1,dataCodewordsPerBlock:22},{numBlocks:15,dataCodewordsPerBlock:23}]},{ecCodewordsPerBlock:28,ecBlocks:[{numBlocks:2,dataCodewordsPerBlock:14},{numBlocks:17,\ndataCodewordsPerBlock:15}]}]},{infoBits:76311,versionNumber:18,alignmentPatternCenters:[6,30,56,82],errorCorrectionLevels:[{ecCodewordsPerBlock:30,ecBlocks:[{numBlocks:5,dataCodewordsPerBlock:120},{numBlocks:1,dataCodewordsPerBlock:121}]},{ecCodewordsPerBlock:26,ecBlocks:[{numBlocks:9,dataCodewordsPerBlock:43},{numBlocks:4,dataCodewordsPerBlock:44}]},{ecCodewordsPerBlock:28,ecBlocks:[{numBlocks:17,dataCodewordsPerBlock:22},{numBlocks:1,dataCodewordsPerBlock:23}]},{ecCodewordsPerBlock:28,ecBlocks:[{numBlocks:2,\ndataCodewordsPerBlock:14},{numBlocks:19,dataCodewordsPerBlock:15}]}]},{infoBits:79154,versionNumber:19,alignmentPatternCenters:[6,30,58,86],errorCorrectionLevels:[{ecCodewordsPerBlock:28,ecBlocks:[{numBlocks:3,dataCodewordsPerBlock:113},{numBlocks:4,dataCodewordsPerBlock:114}]},{ecCodewordsPerBlock:26,ecBlocks:[{numBlocks:3,dataCodewordsPerBlock:44},{numBlocks:11,dataCodewordsPerBlock:45}]},{ecCodewordsPerBlock:26,ecBlocks:[{numBlocks:17,dataCodewordsPerBlock:21},{numBlocks:4,dataCodewordsPerBlock:22}]},\n{ecCodewordsPerBlock:26,ecBlocks:[{numBlocks:9,dataCodewordsPerBlock:13},{numBlocks:16,dataCodewordsPerBlock:14}]}]},{infoBits:84390,versionNumber:20,alignmentPatternCenters:[6,34,62,90],errorCorrectionLevels:[{ecCodewordsPerBlock:28,ecBlocks:[{numBlocks:3,dataCodewordsPerBlock:107},{numBlocks:5,dataCodewordsPerBlock:108}]},{ecCodewordsPerBlock:26,ecBlocks:[{numBlocks:3,dataCodewordsPerBlock:41},{numBlocks:13,dataCodewordsPerBlock:42}]},{ecCodewordsPerBlock:30,ecBlocks:[{numBlocks:15,dataCodewordsPerBlock:24},\n{numBlocks:5,dataCodewordsPerBlock:25}]},{ecCodewordsPerBlock:28,ecBlocks:[{numBlocks:15,dataCodewordsPerBlock:15},{numBlocks:10,dataCodewordsPerBlock:16}]}]},{infoBits:87683,versionNumber:21,alignmentPatternCenters:[6,28,50,72,94],errorCorrectionLevels:[{ecCodewordsPerBlock:28,ecBlocks:[{numBlocks:4,dataCodewordsPerBlock:116},{numBlocks:4,dataCodewordsPerBlock:117}]},{ecCodewordsPerBlock:26,ecBlocks:[{numBlocks:17,dataCodewordsPerBlock:42}]},{ecCodewordsPerBlock:28,ecBlocks:[{numBlocks:17,dataCodewordsPerBlock:22},\n{numBlocks:6,dataCodewordsPerBlock:23}]},{ecCodewordsPerBlock:30,ecBlocks:[{numBlocks:19,dataCodewordsPerBlock:16},{numBlocks:6,dataCodewordsPerBlock:17}]}]},{infoBits:92361,versionNumber:22,alignmentPatternCenters:[6,26,50,74,98],errorCorrectionLevels:[{ecCodewordsPerBlock:28,ecBlocks:[{numBlocks:2,dataCodewordsPerBlock:111},{numBlocks:7,dataCodewordsPerBlock:112}]},{ecCodewordsPerBlock:28,ecBlocks:[{numBlocks:17,dataCodewordsPerBlock:46}]},{ecCodewordsPerBlock:30,ecBlocks:[{numBlocks:7,dataCodewordsPerBlock:24},\n{numBlocks:16,dataCodewordsPerBlock:25}]},{ecCodewordsPerBlock:24,ecBlocks:[{numBlocks:34,dataCodewordsPerBlock:13}]}]},{infoBits:96236,versionNumber:23,alignmentPatternCenters:[6,30,54,74,102],errorCorrectionLevels:[{ecCodewordsPerBlock:30,ecBlocks:[{numBlocks:4,dataCodewordsPerBlock:121},{numBlocks:5,dataCodewordsPerBlock:122}]},{ecCodewordsPerBlock:28,ecBlocks:[{numBlocks:4,dataCodewordsPerBlock:47},{numBlocks:14,dataCodewordsPerBlock:48}]},{ecCodewordsPerBlock:30,ecBlocks:[{numBlocks:11,dataCodewordsPerBlock:24},\n{numBlocks:14,dataCodewordsPerBlock:25}]},{ecCodewordsPerBlock:30,ecBlocks:[{numBlocks:16,dataCodewordsPerBlock:15},{numBlocks:14,dataCodewordsPerBlock:16}]}]},{infoBits:102084,versionNumber:24,alignmentPatternCenters:[6,28,54,80,106],errorCorrectionLevels:[{ecCodewordsPerBlock:30,ecBlocks:[{numBlocks:6,dataCodewordsPerBlock:117},{numBlocks:4,dataCodewordsPerBlock:118}]},{ecCodewordsPerBlock:28,ecBlocks:[{numBlocks:6,dataCodewordsPerBlock:45},{numBlocks:14,dataCodewordsPerBlock:46}]},{ecCodewordsPerBlock:30,\necBlocks:[{numBlocks:11,dataCodewordsPerBlock:24},{numBlocks:16,dataCodewordsPerBlock:25}]},{ecCodewordsPerBlock:30,ecBlocks:[{numBlocks:30,dataCodewordsPerBlock:16},{numBlocks:2,dataCodewordsPerBlock:17}]}]},{infoBits:102881,versionNumber:25,alignmentPatternCenters:[6,32,58,84,110],errorCorrectionLevels:[{ecCodewordsPerBlock:26,ecBlocks:[{numBlocks:8,dataCodewordsPerBlock:106},{numBlocks:4,dataCodewordsPerBlock:107}]},{ecCodewordsPerBlock:28,ecBlocks:[{numBlocks:8,dataCodewordsPerBlock:47},{numBlocks:13,\ndataCodewordsPerBlock:48}]},{ecCodewordsPerBlock:30,ecBlocks:[{numBlocks:7,dataCodewordsPerBlock:24},{numBlocks:22,dataCodewordsPerBlock:25}]},{ecCodewordsPerBlock:30,ecBlocks:[{numBlocks:22,dataCodewordsPerBlock:15},{numBlocks:13,dataCodewordsPerBlock:16}]}]},{infoBits:110507,versionNumber:26,alignmentPatternCenters:[6,30,58,86,114],errorCorrectionLevels:[{ecCodewordsPerBlock:28,ecBlocks:[{numBlocks:10,dataCodewordsPerBlock:114},{numBlocks:2,dataCodewordsPerBlock:115}]},{ecCodewordsPerBlock:28,ecBlocks:[{numBlocks:19,\ndataCodewordsPerBlock:46},{numBlocks:4,dataCodewordsPerBlock:47}]},{ecCodewordsPerBlock:28,ecBlocks:[{numBlocks:28,dataCodewordsPerBlock:22},{numBlocks:6,dataCodewordsPerBlock:23}]},{ecCodewordsPerBlock:30,ecBlocks:[{numBlocks:33,dataCodewordsPerBlock:16},{numBlocks:4,dataCodewordsPerBlock:17}]}]},{infoBits:110734,versionNumber:27,alignmentPatternCenters:[6,34,62,90,118],errorCorrectionLevels:[{ecCodewordsPerBlock:30,ecBlocks:[{numBlocks:8,dataCodewordsPerBlock:122},{numBlocks:4,dataCodewordsPerBlock:123}]},\n{ecCodewordsPerBlock:28,ecBlocks:[{numBlocks:22,dataCodewordsPerBlock:45},{numBlocks:3,dataCodewordsPerBlock:46}]},{ecCodewordsPerBlock:30,ecBlocks:[{numBlocks:8,dataCodewordsPerBlock:23},{numBlocks:26,dataCodewordsPerBlock:24}]},{ecCodewordsPerBlock:30,ecBlocks:[{numBlocks:12,dataCodewordsPerBlock:15},{numBlocks:28,dataCodewordsPerBlock:16}]}]},{infoBits:117786,versionNumber:28,alignmentPatternCenters:[6,26,50,74,98,122],errorCorrectionLevels:[{ecCodewordsPerBlock:30,ecBlocks:[{numBlocks:3,dataCodewordsPerBlock:117},\n{numBlocks:10,dataCodewordsPerBlock:118}]},{ecCodewordsPerBlock:28,ecBlocks:[{numBlocks:3,dataCodewordsPerBlock:45},{numBlocks:23,dataCodewordsPerBlock:46}]},{ecCodewordsPerBlock:30,ecBlocks:[{numBlocks:4,dataCodewordsPerBlock:24},{numBlocks:31,dataCodewordsPerBlock:25}]},{ecCodewordsPerBlock:30,ecBlocks:[{numBlocks:11,dataCodewordsPerBlock:15},{numBlocks:31,dataCodewordsPerBlock:16}]}]},{infoBits:119615,versionNumber:29,alignmentPatternCenters:[6,30,54,78,102,126],errorCorrectionLevels:[{ecCodewordsPerBlock:30,\necBlocks:[{numBlocks:7,dataCodewordsPerBlock:116},{numBlocks:7,dataCodewordsPerBlock:117}]},{ecCodewordsPerBlock:28,ecBlocks:[{numBlocks:21,dataCodewordsPerBlock:45},{numBlocks:7,dataCodewordsPerBlock:46}]},{ecCodewordsPerBlock:30,ecBlocks:[{numBlocks:1,dataCodewordsPerBlock:23},{numBlocks:37,dataCodewordsPerBlock:24}]},{ecCodewordsPerBlock:30,ecBlocks:[{numBlocks:19,dataCodewordsPerBlock:15},{numBlocks:26,dataCodewordsPerBlock:16}]}]},{infoBits:126325,versionNumber:30,alignmentPatternCenters:[6,\n26,52,78,104,130],errorCorrectionLevels:[{ecCodewordsPerBlock:30,ecBlocks:[{numBlocks:5,dataCodewordsPerBlock:115},{numBlocks:10,dataCodewordsPerBlock:116}]},{ecCodewordsPerBlock:28,ecBlocks:[{numBlocks:19,dataCodewordsPerBlock:47},{numBlocks:10,dataCodewordsPerBlock:48}]},{ecCodewordsPerBlock:30,ecBlocks:[{numBlocks:15,dataCodewordsPerBlock:24},{numBlocks:25,dataCodewordsPerBlock:25}]},{ecCodewordsPerBlock:30,ecBlocks:[{numBlocks:23,dataCodewordsPerBlock:15},{numBlocks:25,dataCodewordsPerBlock:16}]}]},\n{infoBits:127568,versionNumber:31,alignmentPatternCenters:[6,30,56,82,108,134],errorCorrectionLevels:[{ecCodewordsPerBlock:30,ecBlocks:[{numBlocks:13,dataCodewordsPerBlock:115},{numBlocks:3,dataCodewordsPerBlock:116}]},{ecCodewordsPerBlock:28,ecBlocks:[{numBlocks:2,dataCodewordsPerBlock:46},{numBlocks:29,dataCodewordsPerBlock:47}]},{ecCodewordsPerBlock:30,ecBlocks:[{numBlocks:42,dataCodewordsPerBlock:24},{numBlocks:1,dataCodewordsPerBlock:25}]},{ecCodewordsPerBlock:30,ecBlocks:[{numBlocks:23,dataCodewordsPerBlock:15},\n{numBlocks:28,dataCodewordsPerBlock:16}]}]},{infoBits:133589,versionNumber:32,alignmentPatternCenters:[6,34,60,86,112,138],errorCorrectionLevels:[{ecCodewordsPerBlock:30,ecBlocks:[{numBlocks:17,dataCodewordsPerBlock:115}]},{ecCodewordsPerBlock:28,ecBlocks:[{numBlocks:10,dataCodewordsPerBlock:46},{numBlocks:23,dataCodewordsPerBlock:47}]},{ecCodewordsPerBlock:30,ecBlocks:[{numBlocks:10,dataCodewordsPerBlock:24},{numBlocks:35,dataCodewordsPerBlock:25}]},{ecCodewordsPerBlock:30,ecBlocks:[{numBlocks:19,\ndataCodewordsPerBlock:15},{numBlocks:35,dataCodewordsPerBlock:16}]}]},{infoBits:136944,versionNumber:33,alignmentPatternCenters:[6,30,58,86,114,142],errorCorrectionLevels:[{ecCodewordsPerBlock:30,ecBlocks:[{numBlocks:17,dataCodewordsPerBlock:115},{numBlocks:1,dataCodewordsPerBlock:116}]},{ecCodewordsPerBlock:28,ecBlocks:[{numBlocks:14,dataCodewordsPerBlock:46},{numBlocks:21,dataCodewordsPerBlock:47}]},{ecCodewordsPerBlock:30,ecBlocks:[{numBlocks:29,dataCodewordsPerBlock:24},{numBlocks:19,dataCodewordsPerBlock:25}]},\n{ecCodewordsPerBlock:30,ecBlocks:[{numBlocks:11,dataCodewordsPerBlock:15},{numBlocks:46,dataCodewordsPerBlock:16}]}]},{infoBits:141498,versionNumber:34,alignmentPatternCenters:[6,34,62,90,118,146],errorCorrectionLevels:[{ecCodewordsPerBlock:30,ecBlocks:[{numBlocks:13,dataCodewordsPerBlock:115},{numBlocks:6,dataCodewordsPerBlock:116}]},{ecCodewordsPerBlock:28,ecBlocks:[{numBlocks:14,dataCodewordsPerBlock:46},{numBlocks:23,dataCodewordsPerBlock:47}]},{ecCodewordsPerBlock:30,ecBlocks:[{numBlocks:44,\ndataCodewordsPerBlock:24},{numBlocks:7,dataCodewordsPerBlock:25}]},{ecCodewordsPerBlock:30,ecBlocks:[{numBlocks:59,dataCodewordsPerBlock:16},{numBlocks:1,dataCodewordsPerBlock:17}]}]},{infoBits:145311,versionNumber:35,alignmentPatternCenters:[6,30,54,78,102,126,150],errorCorrectionLevels:[{ecCodewordsPerBlock:30,ecBlocks:[{numBlocks:12,dataCodewordsPerBlock:121},{numBlocks:7,dataCodewordsPerBlock:122}]},{ecCodewordsPerBlock:28,ecBlocks:[{numBlocks:12,dataCodewordsPerBlock:47},{numBlocks:26,dataCodewordsPerBlock:48}]},\n{ecCodewordsPerBlock:30,ecBlocks:[{numBlocks:39,dataCodewordsPerBlock:24},{numBlocks:14,dataCodewordsPerBlock:25}]},{ecCodewordsPerBlock:30,ecBlocks:[{numBlocks:22,dataCodewordsPerBlock:15},{numBlocks:41,dataCodewordsPerBlock:16}]}]},{infoBits:150283,versionNumber:36,alignmentPatternCenters:[6,24,50,76,102,128,154],errorCorrectionLevels:[{ecCodewordsPerBlock:30,ecBlocks:[{numBlocks:6,dataCodewordsPerBlock:121},{numBlocks:14,dataCodewordsPerBlock:122}]},{ecCodewordsPerBlock:28,ecBlocks:[{numBlocks:6,\ndataCodewordsPerBlock:47},{numBlocks:34,dataCodewordsPerBlock:48}]},{ecCodewordsPerBlock:30,ecBlocks:[{numBlocks:46,dataCodewordsPerBlock:24},{numBlocks:10,dataCodewordsPerBlock:25}]},{ecCodewordsPerBlock:30,ecBlocks:[{numBlocks:2,dataCodewordsPerBlock:15},{numBlocks:64,dataCodewordsPerBlock:16}]}]},{infoBits:152622,versionNumber:37,alignmentPatternCenters:[6,28,54,80,106,132,158],errorCorrectionLevels:[{ecCodewordsPerBlock:30,ecBlocks:[{numBlocks:17,dataCodewordsPerBlock:122},{numBlocks:4,dataCodewordsPerBlock:123}]},\n{ecCodewordsPerBlock:28,ecBlocks:[{numBlocks:29,dataCodewordsPerBlock:46},{numBlocks:14,dataCodewordsPerBlock:47}]},{ecCodewordsPerBlock:30,ecBlocks:[{numBlocks:49,dataCodewordsPerBlock:24},{numBlocks:10,dataCodewordsPerBlock:25}]},{ecCodewordsPerBlock:30,ecBlocks:[{numBlocks:24,dataCodewordsPerBlock:15},{numBlocks:46,dataCodewordsPerBlock:16}]}]},{infoBits:158308,versionNumber:38,alignmentPatternCenters:[6,32,58,84,110,136,162],errorCorrectionLevels:[{ecCodewordsPerBlock:30,ecBlocks:[{numBlocks:4,\ndataCodewordsPerBlock:122},{numBlocks:18,dataCodewordsPerBlock:123}]},{ecCodewordsPerBlock:28,ecBlocks:[{numBlocks:13,dataCodewordsPerBlock:46},{numBlocks:32,dataCodewordsPerBlock:47}]},{ecCodewordsPerBlock:30,ecBlocks:[{numBlocks:48,dataCodewordsPerBlock:24},{numBlocks:14,dataCodewordsPerBlock:25}]},{ecCodewordsPerBlock:30,ecBlocks:[{numBlocks:42,dataCodewordsPerBlock:15},{numBlocks:32,dataCodewordsPerBlock:16}]}]},{infoBits:161089,versionNumber:39,alignmentPatternCenters:[6,26,54,82,110,138,166],\nerrorCorrectionLevels:[{ecCodewordsPerBlock:30,ecBlocks:[{numBlocks:20,dataCodewordsPerBlock:117},{numBlocks:4,dataCodewordsPerBlock:118}]},{ecCodewordsPerBlock:28,ecBlocks:[{numBlocks:40,dataCodewordsPerBlock:47},{numBlocks:7,dataCodewordsPerBlock:48}]},{ecCodewordsPerBlock:30,ecBlocks:[{numBlocks:43,dataCodewordsPerBlock:24},{numBlocks:22,dataCodewordsPerBlock:25}]},{ecCodewordsPerBlock:30,ecBlocks:[{numBlocks:10,dataCodewordsPerBlock:15},{numBlocks:67,dataCodewordsPerBlock:16}]}]},{infoBits:167017,\nversionNumber:40,alignmentPatternCenters:[6,30,58,86,114,142,170],errorCorrectionLevels:[{ecCodewordsPerBlock:30,ecBlocks:[{numBlocks:19,dataCodewordsPerBlock:118},{numBlocks:6,dataCodewordsPerBlock:119}]},{ecCodewordsPerBlock:28,ecBlocks:[{numBlocks:18,dataCodewordsPerBlock:47},{numBlocks:31,dataCodewordsPerBlock:48}]},{ecCodewordsPerBlock:30,ecBlocks:[{numBlocks:34,dataCodewordsPerBlock:24},{numBlocks:34,dataCodewordsPerBlock:25}]},{ecCodewordsPerBlock:30,ecBlocks:[{numBlocks:20,dataCodewordsPerBlock:15},\n{numBlocks:61,dataCodewordsPerBlock:16}]}]}];function J(a,b){a^=b;for(b=0;a;)b++,a&=a-1;return b}function K(a,b){return b<<1|a}\nlet ia=[{bits:21522,formatInfo:{errorCorrectionLevel:1,dataMask:0}},{bits:20773,formatInfo:{errorCorrectionLevel:1,dataMask:1}},{bits:24188,formatInfo:{errorCorrectionLevel:1,dataMask:2}},{bits:23371,formatInfo:{errorCorrectionLevel:1,dataMask:3}},{bits:17913,formatInfo:{errorCorrectionLevel:1,dataMask:4}},{bits:16590,formatInfo:{errorCorrectionLevel:1,dataMask:5}},{bits:20375,formatInfo:{errorCorrectionLevel:1,dataMask:6}},{bits:19104,formatInfo:{errorCorrectionLevel:1,dataMask:7}},{bits:30660,formatInfo:{errorCorrectionLevel:0,\ndataMask:0}},{bits:29427,formatInfo:{errorCorrectionLevel:0,dataMask:1}},{bits:32170,formatInfo:{errorCorrectionLevel:0,dataMask:2}},{bits:30877,formatInfo:{errorCorrectionLevel:0,dataMask:3}},{bits:26159,formatInfo:{errorCorrectionLevel:0,dataMask:4}},{bits:25368,formatInfo:{errorCorrectionLevel:0,dataMask:5}},{bits:27713,formatInfo:{errorCorrectionLevel:0,dataMask:6}},{bits:26998,formatInfo:{errorCorrectionLevel:0,dataMask:7}},{bits:5769,formatInfo:{errorCorrectionLevel:3,dataMask:0}},{bits:5054,\nformatInfo:{errorCorrectionLevel:3,dataMask:1}},{bits:7399,formatInfo:{errorCorrectionLevel:3,dataMask:2}},{bits:6608,formatInfo:{errorCorrectionLevel:3,dataMask:3}},{bits:1890,formatInfo:{errorCorrectionLevel:3,dataMask:4}},{bits:597,formatInfo:{errorCorrectionLevel:3,dataMask:5}},{bits:3340,formatInfo:{errorCorrectionLevel:3,dataMask:6}},{bits:2107,formatInfo:{errorCorrectionLevel:3,dataMask:7}},{bits:13663,formatInfo:{errorCorrectionLevel:2,dataMask:0}},{bits:12392,formatInfo:{errorCorrectionLevel:2,\ndataMask:1}},{bits:16177,formatInfo:{errorCorrectionLevel:2,dataMask:2}},{bits:14854,formatInfo:{errorCorrectionLevel:2,dataMask:3}},{bits:9396,formatInfo:{errorCorrectionLevel:2,dataMask:4}},{bits:8579,formatInfo:{errorCorrectionLevel:2,dataMask:5}},{bits:11994,formatInfo:{errorCorrectionLevel:2,dataMask:6}},{bits:11245,formatInfo:{errorCorrectionLevel:2,dataMask:7}}],ja=[a=>0===(a.y+a.x)%2,a=>0===a.y%2,a=>0===a.x%3,a=>0===(a.y+a.x)%3,a=>0===(Math.floor(a.y/2)+Math.floor(a.x/3))%2,a=>0===a.x*a.y%\n2+a.x*a.y%3,a=>0===(a.y*a.x%2+a.y*a.x%3)%2,a=>0===((a.y+a.x)%2+a.y*a.x%3)%2];\nfunction ka(a,b,c){c=ja[c.dataMask];let d=a.height;var e=17+4*b.versionNumber;let f=x.createEmpty(e,e);f.setRegion(0,0,9,9,!0);f.setRegion(e-8,0,8,9,!0);f.setRegion(0,e-8,9,8,!0);for(var g of b.alignmentPatternCenters)for(var h of b.alignmentPatternCenters)6===g&&6===h||6===g&&h===e-7||g===e-7&&6===h||f.setRegion(g-2,h-2,5,5,!0);f.setRegion(6,9,1,e-17,!0);f.setRegion(9,6,e-17,1,!0);6<b.versionNumber&&(f.setRegion(e-11,0,3,6,!0),f.setRegion(0,e-11,6,3,!0));b=[];h=g=0;e=!0;for(let k=d-1;0<k;k-=2){6===\nk&&k--;for(let m=0;m<d;m++){let l=e?d-1-m:m;for(let n=0;2>n;n++){let q=k-n;if(!f.get(q,l)){h++;let r=a.get(q,l);c({y:l,x:q})&&(r=!r);g=g<<1|r;8===h&&(b.push(g),g=h=0)}}}e=!e}return b}\nfunction la(a){var b=a.height,c=Math.floor((b-17)/4);if(6>=c)return I[c-1];c=0;for(var d=5;0<=d;d--)for(var e=b-9;e>=b-11;e--)c=K(a.get(e,d),c);d=0;for(e=5;0<=e;e--)for(let g=b-9;g>=b-11;g--)d=K(a.get(e,g),d);a=Infinity;let f;for(let g of I){if(g.infoBits===c||g.infoBits===d)return g;b=J(c,g.infoBits);b<a&&(f=g,a=b);b=J(d,g.infoBits);b<a&&(f=g,a=b)}if(3>=a)return f}\nfunction ma(a){let b=0;for(var c=0;8>=c;c++)6!==c&&(b=K(a.get(c,8),b));for(c=7;0<=c;c--)6!==c&&(b=K(a.get(8,c),b));var d=a.height;c=0;for(var e=d-1;e>=d-7;e--)c=K(a.get(8,e),c);for(e=d-8;e<d;e++)c=K(a.get(e,8),c);a=Infinity;d=null;for(let {bits:f,formatInfo:g}of ia){if(f===b||f===c)return g;e=J(b,f);e<a&&(d=g,a=e);b!==c&&(e=J(c,f),e<a&&(d=g,a=e))}return 3>=a?d:null}\nfunction na(a,b,c){let d=b.errorCorrectionLevels[c],e=[],f=0;d.ecBlocks.forEach(h=>{for(let k=0;k<h.numBlocks;k++)e.push({numDataCodewords:h.dataCodewordsPerBlock,codewords:[]}),f+=h.dataCodewordsPerBlock+d.ecCodewordsPerBlock});if(a.length<f)return null;a=a.slice(0,f);b=d.ecBlocks[0].dataCodewordsPerBlock;for(c=0;c<b;c++)for(var g of e)g.codewords.push(a.shift());if(1<d.ecBlocks.length)for(g=d.ecBlocks[0].numBlocks,b=d.ecBlocks[1].numBlocks,c=0;c<b;c++)e[g+c].codewords.push(a.shift());for(;0<a.length;)for(let h of 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q=S({x:Math.floor(n),y:Math.floor(l)},[1,1,1],a)+N({x:n,y:l},m);return{x:n,y:l,score:q}}}).filter(l=>!!l).sort((l,n)=>l.score-n.score);return{alignmentPattern:15<=\nc&&b.length?b[0]:m,dimension:f}}\nfunction V(a){var b=sa(a);if(!b)return null;for(let e of b){b=pa(a,e);var c=b.matrix;if(null==c)c=null;else{var d=L(c);if(d)c=d;else{for(d=0;d<c.width;d++)for(let f=d+1;f<c.height;f++)c.get(d,f)!==c.get(f,d)&&(c.set(d,f,!c.get(d,f)),c.set(f,d,!c.get(f,d)));c=L(c)}}if(c)return{binaryData:c.bytes,data:c.text,chunks:c.chunks,version:c.version,location:{topRightCorner:b.mappingFunction(e.dimension,0),topLeftCorner:b.mappingFunction(0,0),bottomRightCorner:b.mappingFunction(e.dimension,e.dimension),bottomLeftCorner:b.mappingFunction(0,\ne.dimension),topRightFinderPattern:e.topRight,topLeftFinderPattern:e.topLeft,bottomLeftFinderPattern:e.bottomLeft,bottomRightAlignmentPattern:e.alignmentPattern},matrix:b.matrix}}return null}let ta={inversionAttempts:"attemptBoth",greyScaleWeights:{red:.2126,green:.7152,blue:.0722,useIntegerApproximation:!1},canOverwriteImage:!0};function W(a,b){Object.keys(b).forEach(c=>{a[c]=b[c]})}\nfunction X(a,b,c,d={}){let e=Object.create(null);W(e,ta);W(e,d);d="onlyInvert"===e.inversionAttempts||"invertFirst"===e.inversionAttempts;var f="attemptBoth"===e.inversionAttempts||d;var g=e.greyScaleWeights,h=e.canOverwriteImage,k=b*c;if(a.length!==4*k)throw Error("Malformed data passed to binarizer.");var m=0;if(h){var l=new Uint8ClampedArray(a.buffer,m,k);m+=k}l=new A(b,c,l);if(g.useIntegerApproximation)for(var n=0;n<c;n++)for(var q=0;q<b;q++){var r=4*(n*b+q);l.set(q,n,g.red*a[r]+g.green*a[r+1]+\ng.blue*a[r+2]+128>>8)}else for(n=0;n<c;n++)for(q=0;q<b;q++)r=4*(n*b+q),l.set(q,n,g.red*a[r]+g.green*a[r+1]+g.blue*a[r+2]);g=Math.ceil(b/8);n=Math.ceil(c/8);q=g*n;if(h){var u=new Uint8ClampedArray(a.buffer,m,q);m+=q}u=new A(g,n,u);for(q=0;q<n;q++)for(r=0;r<g;r++){var p=Infinity,t=0;for(var v=0;8>v;v++)for(let w=0;8>w;w++){let aa=l.get(8*r+w,8*q+v);p=Math.min(p,aa);t=Math.max(t,aa)}v=(p+t)/2;v=Math.min(255,1.11*v);24>=t-p&&(v=p/2,0<q&&0<r&&(t=(u.get(r,q-1)+2*u.get(r-1,q)+u.get(r-1,q-1))/4,p<t&&(v=t)));\nu.set(r,q,v)}h?(q=new Uint8ClampedArray(a.buffer,m,k),m+=k,q=new x(q,b)):q=x.createEmpty(b,c);r=null;f&&(h?(a=new Uint8ClampedArray(a.buffer,m,k),r=new x(a,b)):r=x.createEmpty(b,c));for(b=0;b<n;b++)for(a=0;a<g;a++){c=g-3;c=2>a?2:a>c?c:a;h=n-3;h=2>b?2:b>h?h:b;k=0;for(m=-2;2>=m;m++)for(p=-2;2>=p;p++)k+=u.get(c+m,h+p);c=k/25;for(h=0;8>h;h++)for(k=0;8>k;k++)m=8*a+h,p=8*b+k,t=l.get(m,p),q.set(m,p,t<=c),f&&r.set(m,p,!(t<=c))}f=f?{binarized:q,inverted:r}:{binarized:q};let {binarized:z,inverted:y}=f;(f=V(d?\ny:z))||"attemptBoth"!==e.inversionAttempts&&"invertFirst"!==e.inversionAttempts||(f=V(d?z:y));return f}X.default=X;let Y="dontInvert",Z={red:77,green:150,blue:29,useIntegerApproximation:!0};\nself.onmessage=a=>{let b=a.data.id,c=a.data.data;switch(a.data.type){case "decode":(a=X(c.data,c.width,c.height,{inversionAttempts:Y,greyScaleWeights:Z}))?self.postMessage({id:b,type:"qrResult",data:a.data,cornerPoints:[a.location.topLeftCorner,a.location.topRightCorner,a.location.bottomRightCorner,a.location.bottomLeftCorner]}):self.postMessage({id:b,type:"qrResult",data:null});break;case "grayscaleWeights":Z.red=c.red;Z.green=c.green;Z.blue=c.blue;Z.useIntegerApproximation=c.useIntegerApproximation;\nbreak;case "inversionMode":switch(c){case "original":Y="dontInvert";break;case "invert":Y="onlyInvert";break;case "both":Y="attemptBoth";break;default:throw Error("Invalid inversion mode");}break;case "close":self.close()}}\n']),
{type:"application/javascript"}))});return c})
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