qr-scanner - npm Package Compare versions
Comparing version 1.2.0 to 1.3.0
| { | ||
| "name": "qr-scanner", | ||
| "version": "1.2.0", | ||
| "version": "1.3.0", | ||
| "description": "A javascript QR scanner library", | ||
@@ -47,3 +47,3 @@ "main": "qr-scanner.umd.min.js", | ||
| "google-closure-compiler": "^20200628.0.0", | ||
| "jsqr-es6": "^1.3.1-1", | ||
| "jsqr-es6": "^1.4.0-1", | ||
| "rollup": "^2.21.0", | ||
@@ -50,0 +50,0 @@ "rollup-plugin-sourcemaps": "^0.6.2" |
@@ -1,87 +0,87 @@ | ||
| 'use strict';(function(){function T(a,b){let c=[],d="";b=a.readBits([8,16,16][b]);for(let d=0;d<b;d++){let b=a.readBits(8);c.push(b)}try{d+=decodeURIComponent(c.map(a=>`%${("0"+a.toString(16)).substr(-2)}`).join(""))}catch(e){}return{bytes:c,text:d}}function U(a,b){a=new V(a);b=9>=b?0:26>=b?1:2;let c={text:"",bytes:[],chunks:[]};for(;4<=a.available();){var d=a.readBits(4);if(d===y.Terminator)return c;if(d===y.ECI)0===a.readBits(1)?c.chunks.push({type:t.ECI,assignmentNumber:a.readBits(7)}):0===a.readBits(1)? | ||
| c.chunks.push({type:t.ECI,assignmentNumber:a.readBits(14)}):0===a.readBits(1)?c.chunks.push({type:t.ECI,assignmentNumber:a.readBits(21)}):c.chunks.push({type:t.ECI,assignmentNumber:-1});else if(d===y.Numeric){var e=a;d=[];for(var f="",g=e.readBits([10,12,14][b]);3<=g;){var h=e.readBits(10);if(1E3<=h)throw Error("Invalid numeric value above 999");var k=Math.floor(h/100),l=Math.floor(h/10)%10;h%=10;d.push(48+k,48+l,48+h);f+=k.toString()+l.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;d.push(48+e,48+g);f+=e.toString()+g.toString()}else if(1===g){e=e.readBits(4);if(10<=e)throw Error("Invalid numeric value above 9");d.push(48+e);f+=e.toString()}d={bytes:d,text:f};c.text+=d.text;c.bytes.push(...d.bytes);c.chunks.push({type:t.Numeric,text:d.text})}else if(d===y.Alphanumeric){e=a;d=[];f="";for(g=e.readBits([9,11,13][b]);2<=g;)l=e.readBits(11),k=Math.floor(l/45),l%=45,d.push(B[k].charCodeAt(0),B[l].charCodeAt(0)), | ||
| f+=B[k]+B[l],g-=2;1===g&&(e=e.readBits(6),d.push(B[e].charCodeAt(0)),f+=B[e]);d={bytes:d,text:f};c.text+=d.text;c.bytes.push(...d.bytes);c.chunks.push({type:t.Alphanumeric,text:d.text})}else if(d===y.Byte)d=T(a,b),c.text+=d.text,c.bytes.push(...d.bytes),c.chunks.push({type:t.Byte,bytes:d.bytes,text:d.text});else if(d===y.Kanji){f=a;d=[];e=f.readBits([8,10,12][b]);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)); | ||
| d={bytes:d,text:f};c.text+=d.text;c.bytes.push(...d.bytes);c.chunks.push({type:t.Kanji,bytes:d.bytes,text:d.text})}}if(0===a.available()||0===a.readBits(a.available()))return c}function J(a,b){return a^b}function W(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 d=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 d=c.degree()-b.degree(),e=a.multiply(c.getCoefficient(c.degree()), | ||
| g);f=f.addOrSubtract(a.buildMonomial(d,e));c=c.addOrSubtract(b.multiplyByMonomial(d,e))}f=f.multiplyPoly(e).addOrSubtract(d);if(c.degree()>=b.degree())return null}d=f.getCoefficient(0);if(0===d)return null;a=a.inverse(d);return[f.multiply(a),c.multiply(a)]}function X(a,b){let c=new Uint8ClampedArray(a.length);c.set(a);a=new Y(285,256,0);var d=new w(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 w(a,e);d=W(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;d=d[1];e=b.length;f=Array(e);for(g=0;g<e;g++){h=a.inverse(b[g]);let c=1;for(let d=0;d<e;d++)g!==d&&(c=a.multiply(c,J(1,a.multiply(b[d],h))));f[g]=a.multiply(d.evaluateAt(h),a.inverse(c));0!==a.generatorBase&&(f[g]=a.multiply(f[g],h))}d=f;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}function E(a,b){a^=b;for(b=0;a;)b++,a&=a-1;return b}function C(a,b){return b<<1|a}function Z(a,b,c){c=aa[c.dataMask];let d=a.height;var e=17+4*b.versionNumber,f=A.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=f;g=[];e=h=0;f=!0;for(let k=d-1;0<k;k-=2){6===k&&k--;for(let l=0;l<d;l++){let q=f?d-1-l:l;for(let d=0;2>d;d++){let f=k-d;if(!b.get(f,q)){e++;let b=a.get(f,q);c({y:q,x:f})&&(b=!b);h=h<<1|b;8===e&&(g.push(h),h=e=0)}}}f=!f}return g}function ba(a){var b=a.height,c=Math.floor((b-17)/4);if(6>=c)return K[c-1];c=0;for(var d=5;0<=d;d--)for(var e=b-9;e>=b-11;e--)c=C(a.get(e,d),c);d=0;for(e=5;0<=e;e--)for(let c=b-9;c>= | ||
| b-11;c--)d=C(a.get(e,c),d);a=Infinity;let f;for(let e of K){if(e.infoBits===c||e.infoBits===d)return e;b=E(c,e.infoBits);b<a&&(f=e,a=b);b=E(d,e.infoBits);b<a&&(f=e,a=b)}if(3>=a)return f}function ca(a){let b=0;for(var c=0;8>=c;c++)6!==c&&(b=C(a.get(c,8),b));for(c=7;0<=c;c--)6!==c&&(b=C(a.get(8,c),b));var d=a.height;c=0;for(var e=d-1;e>=d-7;e--)c=C(a.get(8,e),c);for(e=d-8;e<d;e++)c=C(a.get(e,8),c);a=Infinity;d=null;for(let {bits:f,formatInfo:g}of da){if(f===b||f===c)return g;e=E(b,f);e<a&&(d=g,a=e); | ||
| b!==c&&(e=E(c,f),e<a&&(d=g,a=e))}return 3>=a?d:null}function ea(a,b,c){let d=b.errorCorrectionLevels[c],e=[],f=0;d.ecBlocks.forEach(a=>{for(let b=0;b<a.numBlocks;b++)e.push({numDataCodewords:a.dataCodewordsPerBlock,codewords:[]}),f+=a.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 b of e)b.codewords.push(a.shift());return e}function L(a){let b=ba(a);if(!b)return null;var c=ca(a);if(!c)return null;a=Z(a,b,c);var d=ea(a,b,c.errorCorrectionLevel);if(!d)return null;c=d.reduce((a,b)=>a+b.numDataCodewords,0);c=new Uint8ClampedArray(c);a=0;for(let b of d){d=X(b.codewords,b.codewords.length-b.numDataCodewords);if(!d)return null;for(let e=0;e<b.numDataCodewords;e++)c[a++]=d[e]}try{return U(c,b.versionNumber)}catch(e){return null}} | ||
| function M(a,b,c,d){var e=a.x-b.x+c.x-d.x;let f=a.y-b.y+c.y-d.y;if(0===e&&0===f)return{a11:b.x-a.x,a12:b.y-a.y,a13:0,a21:c.x-b.x,a22:c.y-b.y,a23:0,a31:a.x,a32:a.y,a33:1};{let h=b.x-c.x;var g=d.x-c.x;let k=b.y-c.y,l=d.y-c.y;c=h*l-g*k;g=(e*l-g*f)/c;e=(h*f-e*k)/c;return{a11:b.x-a.x+g*b.x,a12:b.y-a.y+g*b.y,a13:g,a21:d.x-a.x+e*d.x,a22:d.y-a.y+e*d.y,a23:e,a31:a.x,a32:a.y,a33:1}}}function fa(a,b,c,d){a=M(a,b,c,d);return{a11:a.a22*a.a33-a.a23*a.a32,a12:a.a13*a.a32-a.a12*a.a33,a13:a.a12*a.a23-a.a13*a.a22, | ||
| a21:a.a23*a.a31-a.a21*a.a33,a22:a.a11*a.a33-a.a13*a.a31,a23:a.a13*a.a21-a.a11*a.a23,a31:a.a21*a.a32-a.a22*a.a31,a32:a.a12*a.a31-a.a11*a.a32,a33:a.a11*a.a22-a.a12*a.a21}}function ha(a,b){var c=fa({x:3.5,y:3.5},{x:b.dimension-3.5,y:3.5},{x:b.dimension-6.5,y:b.dimension-6.5},{x:3.5,y:b.dimension-3.5}),d=M(b.topLeft,b.topRight,b.alignmentPattern,b.bottomLeft),e=d.a11*c.a11+d.a21*c.a12+d.a31*c.a13,f=d.a12*c.a11+d.a22*c.a12+d.a32*c.a13,g=d.a13*c.a11+d.a23*c.a12+d.a33*c.a13,h=d.a11*c.a21+d.a21*c.a22+d.a31* | ||
| c.a23,k=d.a12*c.a21+d.a22*c.a22+d.a32*c.a23,l=d.a13*c.a21+d.a23*c.a22+d.a33*c.a23,q=d.a11*c.a31+d.a21*c.a32+d.a31*c.a33,p=d.a12*c.a31+d.a22*c.a32+d.a32*c.a33,m=d.a13*c.a31+d.a23*c.a32+d.a33*c.a33;c=A.createEmpty(b.dimension,b.dimension);d=(a,b)=>{const c=g*a+l*b+m;return{x:(e*a+h*b+q)/c,y:(f*a+k*b+p)/c}};for(let e=0;e<b.dimension;e++)for(let f=0;f<b.dimension;f++){let b=d(f+.5,e+.5);c.set(f,e,a.get(Math.floor(b.x),Math.floor(b.y)))}return{matrix:c,mappingFunction:d}}function u(a){return a.reduce((a, | ||
| c)=>a+c)}function ia(a,b,c){let d=x(a,b),e=x(b,c),f=x(a,c),g,h,k;e>=d&&e>=f?[g,h,k]=[b,a,c]:f>=e&&f>=d?[g,h,k]=[a,b,c]:[g,h,k]=[a,c,b];0>(k.x-h.x)*(g.y-h.y)-(k.y-h.y)*(g.x-h.x)&&([g,k]=[k,g]);return{bottomLeft:g,topLeft:h,topRight:k}}function ja(a,b,c,d){d=(u(z(a,c,d,5))/7+u(z(a,b,d,5))/7+u(z(c,a,d,5))/7+u(z(b,a,d,5))/7)/4;if(1>d)throw Error("Invalid module size");b=Math.round(x(a,b)/d);a=Math.round(x(a,c)/d);a=Math.floor((b+a)/2)+7;switch(a%4){case 0:a++;break;case 2:a--}return{dimension:a,moduleSize:d}} | ||
| function N(a,b,c,d){let e=[{x:Math.floor(a.x),y:Math.floor(a.y)}];var f=Math.abs(b.y-a.y)>Math.abs(b.x-a.x);if(f){var g=Math.floor(a.y);var h=Math.floor(a.x);a=Math.floor(b.y);b=Math.floor(b.x)}else g=Math.floor(a.x),h=Math.floor(a.y),a=Math.floor(b.x),b=Math.floor(b.y);let k=Math.abs(a-g),l=Math.abs(b-h),q=Math.floor(-k/2),p=g<a?1:-1,m=h<b?1:-1,r=!0;for(let n=g,v=h;n!==a+p;n+=p){g=f?v:n;h=f?n:v;if(c.get(g,h)!==r&&(r=!r,e.push({x:g,y:h}),e.length===d+1))break;q+=l;if(0<q){if(v===b)break;v+=m;q-=k}}c= | ||
| [];for(f=0;f<d;f++)e[f]&&e[f+1]?c.push(x(e[f],e[f+1])):c.push(0);return c}function z(a,b,c,d){let e=b.y-a.y,f=b.x-a.x;b=N(a,b,c,Math.ceil(d/2));a=N(a,{x:a.x-f,y:a.y-e},c,Math.ceil(d/2));c=b.shift()+a.shift()-1;return a.concat(c).concat(...b)}function F(a,b){let c=u(a)/u(b),d=0;b.forEach((b,f)=>{d+=Math.pow(a[f]-b*c,2)});return{averageSize:c,error:d}}function O(a,b,c){try{let d=z(a,{x:-1,y:a.y},c,b.length),e=z(a,{x:a.x,y:-1},c,b.length),f=z(a,{x:Math.max(0,a.x-a.y)-1,y:Math.max(0,a.y-a.x)-1},c,b.length), | ||
| g=z(a,{x:Math.min(c.width,a.x+a.y)+1,y:Math.min(c.height,a.y+a.x)+1},c,b.length),h=F(d,b),k=F(e,b),l=F(f,b),q=F(g,b),p=(h.averageSize+k.averageSize+l.averageSize+q.averageSize)/4;return Math.sqrt(h.error*h.error+k.error*k.error+l.error*l.error+q.error*q.error)+(Math.pow(h.averageSize-p,2)+Math.pow(k.averageSize-p,2)+Math.pow(l.averageSize-p,2)+Math.pow(q.averageSize-p,2))/p}catch(d){return Infinity}}function H(a,b){for(var c=Math.round(b.x);a.get(c,Math.round(b.y));)c--;for(var d=Math.round(b.x);a.get(d, | ||
| Math.round(b.y));)d++;c=(c+d)/2;for(d=Math.round(b.y);a.get(Math.round(c),d);)d--;for(b=Math.round(b.y);a.get(Math.round(c),b);)b++;return{x:c,y:(d+b)/2}}function ka(a){var b=[],c=[],d=[],e=[];for(let m=0;m<=a.height;m++){var f=0;let l=!1,n=[0,0,0,0,0];for(let b=-1;b<=a.width;b++){var g=a.get(b,m);if(g===l)f++;else{n=[n[1],n[2],n[3],n[4],f];f=1;l=g;var h=u(n)/7;h=Math.abs(n[0]-h)<h&&Math.abs(n[1]-h)<h&&Math.abs(n[2]-3*h)<3*h&&Math.abs(n[3]-h)<h&&Math.abs(n[4]-h)<h&&!g;var k=u(n.slice(-3))/3;g=Math.abs(n[2]- | ||
| k)<k&&Math.abs(n[3]-k)<k&&Math.abs(n[4]-k)<k&&g;if(h){let a=b-n[3]-n[4],d=a-n[2];h={startX:d,endX:a,y:m};k=c.filter(b=>d>=b.bottom.startX&&d<=b.bottom.endX||a>=b.bottom.startX&&d<=b.bottom.endX||d<=b.bottom.startX&&a>=b.bottom.endX&&1.5>n[2]/(b.bottom.endX-b.bottom.startX)&&.5<n[2]/(b.bottom.endX-b.bottom.startX));0<k.length?k[0].bottom=h:c.push({top:h,bottom:h})}if(g){let a=b-n[4],c=a-n[3];g={startX:c,y:m,endX:a};h=e.filter(b=>c>=b.bottom.startX&&c<=b.bottom.endX||a>=b.bottom.startX&&c<=b.bottom.endX|| | ||
| c<=b.bottom.startX&&a>=b.bottom.endX&&1.5>n[2]/(b.bottom.endX-b.bottom.startX)&&.5<n[2]/(b.bottom.endX-b.bottom.startX));0<h.length?h[0].bottom=g:e.push({top:g,bottom:g})}}}b.push(...c.filter(a=>a.bottom.y!==m&&2<=a.bottom.y-a.top.y));c=c.filter(a=>a.bottom.y===m);d.push(...e.filter(a=>a.bottom.y!==m));e=e.filter(a=>a.bottom.y===m)}b.push(...c.filter(a=>2<=a.bottom.y-a.top.y));d.push(...e);b=b.filter(a=>2<=a.bottom.y-a.top.y).map(b=>{const c=(b.top.startX+b.top.endX+b.bottom.startX+b.bottom.endX)/ | ||
| 4,d=(b.top.y+b.bottom.y+1)/2;if(a.get(Math.round(c),Math.round(d)))return b=[b.top.endX-b.top.startX,b.bottom.endX-b.bottom.startX,b.bottom.y-b.top.y+1],b=u(b)/b.length,{score:O({x:Math.round(c),y:Math.round(d)},[1,1,3,1,1],a),x:c,y:d,size:b}}).filter(a=>!!a).sort((a,b)=>a.score-b.score).map((a,b,c)=>{if(4<b)return null;c=c.filter((a,c)=>b!==c).map(b=>({x:b.x,y:b.y,score:b.score+Math.pow(b.size-a.size,2)/a.size,size:b.size})).sort((a,b)=>a.score-b.score);if(2>c.length)return null;const d=a.score+ | ||
| c[0].score+c[1].score;return{points:[a].concat(c.slice(0,2)),score:d}}).filter(a=>!!a).sort((a,b)=>a.score-b.score);if(0===b.length)return null;let {topRight:l,topLeft:q,bottomLeft:p}=ia(b[0].points[0],b[0].points[1],b[0].points[2]);c=P(a,d,l,q,p);b=[];c&&b.push({alignmentPattern:{x:c.alignmentPattern.x,y:c.alignmentPattern.y},bottomLeft:{x:p.x,y:p.y},dimension:c.dimension,topLeft:{x:q.x,y:q.y},topRight:{x:l.x,y:l.y}});c=H(a,l);e=H(a,q);f=H(a,p);(d=P(a,d,c,e,f))&&b.push({alignmentPattern:{x:d.alignmentPattern.x, | ||
| y:d.alignmentPattern.y},bottomLeft:{x:f.x,y:f.y},topLeft:{x:e.x,y:e.y},topRight:{x:c.x,y:c.y},dimension:d.dimension});return 0===b.length?null:b}function P(a,b,c,d,e){let f,g;try{({dimension:f,moduleSize:g}=ja(d,c,e,a))}catch(q){return null}var h=c.x-d.x+e.x,k=c.y-d.y+e.y;c=(x(d,e)+x(d,c))/2/g;e=1-3/c;let l={x:d.x+e*(h-d.x),y:d.y+e*(k-d.y)};b=b.map(b=>{const c=(b.top.startX+b.top.endX+b.bottom.startX+b.bottom.endX)/4,d=(b.top.y+b.bottom.y+1)/2;if(a.get(Math.floor(c),Math.floor(d)))return u([b.top.endX- | ||
| b.top.startX,b.bottom.endX-b.bottom.startX,b.bottom.y-b.top.y+1]),b=O({x:Math.floor(c),y:Math.floor(d)},[1,1,1],a)+x({x:c,y:d},l),{x:c,y:d,score:b}}).filter(a=>!!a).sort((a,b)=>a.score-b.score);return{alignmentPattern:15<=c&&b.length?b[0]:l,dimension:f}}function Q(a){var b=ka(a);if(!b)return null;for(let e of b){b=ha(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 a=d+1;a<c.height;a++)c.get(d,a)!==c.get(a,d)&&(c.set(d,a,!c.get(d,a)),c.set(a,d,!c.get(a, | ||
| d)));c=L(c)}}if(c)return{binaryData:c.bytes,data:c.text,chunks:c.chunks,location:{topRightCorner:b.mappingFunction(e.dimension,0),topLeftCorner:b.mappingFunction(0,0),bottomRightCorner:b.mappingFunction(e.dimension,e.dimension),bottomLeftCorner:b.mappingFunction(0,e.dimension),topRightFinderPattern:e.topRight,topLeftFinderPattern:e.topLeft,bottomLeftFinderPattern:e.bottomLeft,bottomRightAlignmentPattern:e.alignmentPattern},matrix:b.matrix}}return null}function R(a,b){Object.keys(b).forEach(c=>{a[c]= | ||
| b[c]})}function I(a,b,c,d={}){let e=Object.create(null);R(e,la);R(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 l=0;if(h){var q=new Uint8ClampedArray(a.buffer,l,k);l+=k}q=new S(b,c,q);if(g.useIntegerApproximation)for(var p=0;p<c;p++)for(var m=0;m<b;m++){var r=4*(p*b+m);q.set(m,p,g.red*a[r]+g.green* | ||
| a[r+1]+g.blue*a[r+2]+128>>8)}else for(p=0;p<c;p++)for(m=0;m<b;m++)r=4*(p*b+m),q.set(m,p,g.red*a[r]+g.green*a[r+1]+g.blue*a[r+2]);g=Math.ceil(b/8);p=Math.ceil(c/8);m=g*p;if(h){var n=new Uint8ClampedArray(a.buffer,l,m);l+=m}n=new S(g,p,n);for(m=0;m<p;m++)for(r=0;r<g;r++){var v=Infinity,t=0;for(var u=0;8>u;u++)for(let a=0;8>a;a++){let b=q.get(8*r+a,8*m+u);v=Math.min(v,b);t=Math.max(t,b)}u=(v+t)/2;u=Math.min(255,1.1*u);24>=t-v&&(u=v/2,0<m&&0<r&&(t=(n.get(r,m-1)+2*n.get(r-1,m)+n.get(r-1,m-1))/4,v<t&&(u= | ||
| t)));n.set(r,m,u)}h?(m=new Uint8ClampedArray(a.buffer,l,k),l+=k,m=new A(m,b)):m=A.createEmpty(b,c);r=null;f&&(h?(a=new Uint8ClampedArray(a.buffer,l,k),r=new A(a,b)):r=A.createEmpty(b,c));for(b=0;b<p;b++)for(a=0;a<g;a++){c=g-3;c=2>a?2:a>c?c:a;h=p-3;h=2>b?2:b>h?h:b;k=0;for(l=-2;2>=l;l++)for(v=-2;2>=v;v++)k+=n.get(c+l,h+v);c=k/25;for(h=0;8>h;h++)for(k=0;8>k;k++)l=8*a+h,v=8*b+k,t=q.get(l,v),m.set(l,v,t<=c),f&&r.set(l,v,!(t<=c))}f=f?{binarized:m,inverted:r}:{binarized:m};let {binarized:w,inverted:x}=f; | ||
| (f=Q(d?x:w))||"attemptBoth"!==e.inversionAttempts&&"invertFirst"!==e.inversionAttempts||(f=Q(d?w:x));return f}class A{constructor(a,b){this.width=b;this.height=a.length/b;this.data=a}static createEmpty(a,b){return new A(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 b=a;b<a+c;b++)this.set(b,f,!!e)}}class S{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}}class V{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,this.bitOffset+=a)}return b}available(){return 8*(this.bytes.length-this.byteOffset)-this.bitOffset}}var t;(function(a){a.Numeric="numeric";a.Alphanumeric="alphanumeric";a.Byte="byte";a.Kanji="kanji";a.ECI="eci"})(t||(t={}));var y;(function(a){a[a.Terminator=0]="Terminator";a[a.Numeric=1]="Numeric";a[a.Alphanumeric=2]="Alphanumeric";a[a.Byte= | ||
| 4]="Byte";a[a.Kanji=8]="Kanji";a[a.ECI=7]="ECI"})(y||(y={}));let B="0123456789ABCDEFGHIJKLMNOPQRSTUVWXYZ $%*+-./:".split("");class w{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;if(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 w(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 w(this.field,c)}multiplyPoly(a){if(this.isZero()||a.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 h=0;h<c;h++){let c=b[h];for(let b=0;b<d;b++){var f=h+b,g=this.field.multiply(c,a[b]);e[f]=e[h+b]^g}}return new w(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 w(this.field,a)}evaluateAt(a){let b=0;if(0===a)return this.getCoefficient(0);let c=this.coefficients.length;if(1===a)return this.coefficients.forEach(a=>{b^=a}),b;b=this.coefficients[0];for(let d=1;d<c;d++)b=J(this.field.multiply(a,b),this.coefficients[d]);return b}}class Y{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 w(this,Uint8ClampedArray.from([0]));this.one=new w(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===a)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 w(this,a)}log(a){if(0===a)throw Error("Can't take log(0)");return this.logTable[a]}exp(a){return this.expTable[a]}}let K=[{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,dataCodewordsPerBlock: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,ecBlocks:[{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}]}]},{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:[6,34],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,ecBlocks:[{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},{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},{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,dataCodewordsPerBlock: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,dataCodewordsPerBlock: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}]},{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}]},{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},{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,ecBlocks:[{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:[6,26,50,74],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,versionNumber: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,dataCodewordsPerBlock: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,dataCodewordsPerBlock: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}]},{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},{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},{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},{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},{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,ecBlocks:[{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,dataCodewordsPerBlock: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,dataCodewordsPerBlock: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}]},{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},{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,ecBlocks:[{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:[6,26,52,78,104,130],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}]}]},{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},{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,dataCodewordsPerBlock: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}]},{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,dataCodewordsPerBlock: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}]},{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,dataCodewordsPerBlock: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}]},{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,dataCodewordsPerBlock: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],errorCorrectionLevels:[{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,versionNumber: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},{numBlocks:61,dataCodewordsPerBlock:16}]}]}],da=[{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,dataMask: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,formatInfo:{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,dataMask: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}}],aa=[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%2+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],x=(a,b)=>Math.sqrt(Math.pow(b.x-a.x,2)+Math.pow(b.y-a.y,2)),la={inversionAttempts:"attemptBoth",greyScaleWeights:{red:.2126, | ||
| green:.7152,blue:.0722,useIntegerApproximation:!1},canOverwriteImage:!0};I.default=I;let G="dontInvert",D={red:77,green:150,blue:29,useIntegerApproximation:!0};self.onmessage=a=>{let b=a.data.data;switch(a.data.type){case "decode":a=I(b.data,b.width,b.height,{inversionAttempts:G,greyScaleWeights:D});self.postMessage({type:"qrResult",data:a?a.data:null});break;case "grayscaleWeights":D.red=b.red;D.green=b.green;D.blue=b.blue;D.useIntegerApproximation=b.useIntegerApproximation;break;case "inversionMode":switch(b){case "original":G= | ||
| "dontInvert";break;case "invert":G="onlyInvert";break;case "both":G="attemptBoth";break;default:throw Error("Invalid inversion mode");}break;case "close":self.close()}}})() | ||
| 'use strict';(function(){function T(a,b){let c=[],d="";b=a.readBits([8,16,16][b]);for(let d=0;d<b;d++){let b=a.readBits(8);c.push(b)}try{d+=decodeURIComponent(c.map(a=>`%${("0"+a.toString(16)).substr(-2)}`).join(""))}catch(e){}return{bytes:c,text:d}}function U(a,b){a=new V(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===t.Terminator)return b;if(d===t.ECI)0===a.readBits(1)?b.chunks.push({type:r.ECI,assignmentNumber:a.readBits(7)}): | ||
| 0===a.readBits(1)?b.chunks.push({type:r.ECI,assignmentNumber:a.readBits(14)}):0===a.readBits(1)?b.chunks.push({type:r.ECI,assignmentNumber:a.readBits(21)}):b.chunks.push({type:r.ECI,assignmentNumber:-1});else if(d===t.Numeric){var e=a;d=[];for(var f="",g=e.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),n=Math.floor(h/10)%10;h%=10;d.push(48+k,48+n,48+h);f+=k.toString()+n.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;d.push(48+e,48+g);f+=e.toString()+g.toString()}else if(1===g){e=e.readBits(4);if(10<=e)throw Error("Invalid numeric value above 9");d.push(48+e);f+=e.toString()}d={bytes:d,text:f};b.text+=d.text;b.bytes.push(...d.bytes);b.chunks.push({type:r.Numeric,text:d.text})}else if(d===t.Alphanumeric){e=a;d=[];f="";for(g=e.readBits([9,11,13][c]);2<=g;)n=e.readBits(11),k=Math.floor(n/45),n%=45,d.push(B[k].charCodeAt(0),B[n].charCodeAt(0)), | ||
| f+=B[k]+B[n],g-=2;1===g&&(e=e.readBits(6),d.push(B[e].charCodeAt(0)),f+=B[e]);d={bytes:d,text:f};b.text+=d.text;b.bytes.push(...d.bytes);b.chunks.push({type:r.Alphanumeric,text:d.text})}else if(d===t.Byte)d=T(a,c),b.text+=d.text,b.bytes.push(...d.bytes),b.chunks.push({type:r.Byte,bytes:d.bytes,text:d.text});else if(d===t.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)); | ||
| d={bytes:d,text:f};b.text+=d.text;b.bytes.push(...d.bytes);b.chunks.push({type:r.Kanji,bytes:d.bytes,text:d.text})}else d===t.StructuredAppend&&b.chunks.push({type:r.StructuredAppend,currentSequence:a.readBits(4),totalSequence:a.readBits(4),parity:a.readBits(8)})}if(0===a.available()||0===a.readBits(a.available()))return b}function J(a,b){return a^b}function W(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 d=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 d=c.degree()-b.degree(),e=a.multiply(c.getCoefficient(c.degree()),g);f=f.addOrSubtract(a.buildMonomial(d,e));c=c.addOrSubtract(b.multiplyByMonomial(d,e))}f=f.multiplyPoly(e).addOrSubtract(d);if(c.degree()>=b.degree())return null}d=f.getCoefficient(0);if(0===d)return null;a=a.inverse(d);return[f.multiply(a),c.multiply(a)]}function X(a,b){let c=new Uint8ClampedArray(a.length);c.set(a);a=new Y(285, | ||
| 256,0);var d=new w(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 w(a,e);d=W(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;d=d[1];e=b.length;f=Array(e);for(g=0;g<e;g++){h=a.inverse(b[g]);let c=1;for(let d= | ||
| 0;d<e;d++)g!==d&&(c=a.multiply(c,J(1,a.multiply(b[d],h))));f[g]=a.multiply(d.evaluateAt(h),a.inverse(c));0!==a.generatorBase&&(f[g]=a.multiply(f[g],h))}d=f;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}function E(a,b){a^=b;for(b=0;a;)b++,a&=a-1;return b}function C(a,b){return b<<1|a}function Z(a,b,c){c=aa[c.dataMask];let d=a.height;var e=17+4*b.versionNumber,f=A.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=f;g=[];e=h=0;f=!0;for(let k=d-1;0<k;k-=2){6===k&&k--;for(let n=0;n<d;n++){let m=f?d-1-n:n;for(let d=0;2>d;d++){let f=k-d;if(!b.get(f,m)){e++;let b=a.get(f,m);c({y:m,x:f})&&(b=!b);h=h<<1|b;8===e&&(g.push(h),h=e=0)}}}f=!f}return g}function ba(a){var b=a.height,c=Math.floor((b-17)/4);if(6>=c)return K[c- | ||
| 1];c=0;for(var d=5;0<=d;d--)for(var e=b-9;e>=b-11;e--)c=C(a.get(e,d),c);d=0;for(e=5;0<=e;e--)for(let c=b-9;c>=b-11;c--)d=C(a.get(e,c),d);a=Infinity;let f;for(let e of K){if(e.infoBits===c||e.infoBits===d)return e;b=E(c,e.infoBits);b<a&&(f=e,a=b);b=E(d,e.infoBits);b<a&&(f=e,a=b)}if(3>=a)return f}function ca(a){let b=0;for(var c=0;8>=c;c++)6!==c&&(b=C(a.get(c,8),b));for(c=7;0<=c;c--)6!==c&&(b=C(a.get(8,c),b));var d=a.height;c=0;for(var e=d-1;e>=d-7;e--)c=C(a.get(8,e),c);for(e=d-8;e<d;e++)c=C(a.get(e, | ||
| 8),c);a=Infinity;d=null;for(let {bits:f,formatInfo:g}of da){if(f===b||f===c)return g;e=E(b,f);e<a&&(d=g,a=e);b!==c&&(e=E(c,f),e<a&&(d=g,a=e))}return 3>=a?d:null}function ea(a,b,c){let d=b.errorCorrectionLevels[c],e=[],f=0;d.ecBlocks.forEach(a=>{for(let b=0;b<a.numBlocks;b++)e.push({numDataCodewords:a.dataCodewordsPerBlock,codewords:[]}),f+=a.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 b of e)b.codewords.push(a.shift());return e}function L(a){let b=ba(a);if(!b)return null;var c=ca(a);if(!c)return null;a=Z(a,b,c);var d=ea(a,b,c.errorCorrectionLevel);if(!d)return null;c=d.reduce((a,b)=>a+b.numDataCodewords,0);c=new Uint8ClampedArray(c);a=0;for(let b of d){d=X(b.codewords,b.codewords.length-b.numDataCodewords);if(!d)return null;for(let e= | ||
| 0;e<b.numDataCodewords;e++)c[a++]=d[e]}try{return U(c,b.versionNumber)}catch(e){return null}}function M(a,b,c,d){var e=a.x-b.x+c.x-d.x;let f=a.y-b.y+c.y-d.y;if(0===e&&0===f)return{a11:b.x-a.x,a12:b.y-a.y,a13:0,a21:c.x-b.x,a22:c.y-b.y,a23:0,a31:a.x,a32:a.y,a33:1};{let h=b.x-c.x;var g=d.x-c.x;let k=b.y-c.y,n=d.y-c.y;c=h*n-g*k;g=(e*n-g*f)/c;e=(h*f-e*k)/c;return{a11:b.x-a.x+g*b.x,a12:b.y-a.y+g*b.y,a13:g,a21:d.x-a.x+e*d.x,a22:d.y-a.y+e*d.y,a23:e,a31:a.x,a32:a.y,a33:1}}}function fa(a,b,c,d){a=M(a,b,c,d); | ||
| return{a11:a.a22*a.a33-a.a23*a.a32,a12:a.a13*a.a32-a.a12*a.a33,a13:a.a12*a.a23-a.a13*a.a22,a21:a.a23*a.a31-a.a21*a.a33,a22:a.a11*a.a33-a.a13*a.a31,a23:a.a13*a.a21-a.a11*a.a23,a31:a.a21*a.a32-a.a22*a.a31,a32:a.a12*a.a31-a.a11*a.a32,a33:a.a11*a.a22-a.a12*a.a21}}function ha(a,b){var c=fa({x:3.5,y:3.5},{x:b.dimension-3.5,y:3.5},{x:b.dimension-6.5,y:b.dimension-6.5},{x:3.5,y:b.dimension-3.5}),d=M(b.topLeft,b.topRight,b.alignmentPattern,b.bottomLeft),e=d.a11*c.a11+d.a21*c.a12+d.a31*c.a13,f=d.a12*c.a11+ | ||
| d.a22*c.a12+d.a32*c.a13,g=d.a13*c.a11+d.a23*c.a12+d.a33*c.a13,h=d.a11*c.a21+d.a21*c.a22+d.a31*c.a23,k=d.a12*c.a21+d.a22*c.a22+d.a32*c.a23,n=d.a13*c.a21+d.a23*c.a22+d.a33*c.a23,m=d.a11*c.a31+d.a21*c.a32+d.a31*c.a33,l=d.a12*c.a31+d.a22*c.a32+d.a32*c.a33,p=d.a13*c.a31+d.a23*c.a32+d.a33*c.a33;c=A.createEmpty(b.dimension,b.dimension);d=(a,b)=>{const c=g*a+n*b+p;return{x:(e*a+h*b+m)/c,y:(f*a+k*b+l)/c}};for(let e=0;e<b.dimension;e++)for(let f=0;f<b.dimension;f++){let b=d(f+.5,e+.5);c.set(f,e,a.get(Math.floor(b.x), | ||
| Math.floor(b.y)))}return{matrix:c,mappingFunction:d}}function x(a){return a.reduce((a,c)=>a+c)}function ia(a,b,c){let d=y(a,b),e=y(b,c),f=y(a,c),g,h,k;e>=d&&e>=f?[g,h,k]=[b,a,c]:f>=e&&f>=d?[g,h,k]=[a,b,c]:[g,h,k]=[a,c,b];0>(k.x-h.x)*(g.y-h.y)-(k.y-h.y)*(g.x-h.x)&&([g,k]=[k,g]);return{bottomLeft:g,topLeft:h,topRight:k}}function ja(a,b,c,d){d=(x(z(a,c,d,5))/7+x(z(a,b,d,5))/7+x(z(c,a,d,5))/7+x(z(b,a,d,5))/7)/4;if(1>d)throw Error("Invalid module size");b=Math.round(y(a,b)/d);a=Math.round(y(a,c)/d);a= | ||
| Math.floor((b+a)/2)+7;switch(a%4){case 0:a++;break;case 2:a--}return{dimension:a,moduleSize:d}}function N(a,b,c,d){let e=[{x:Math.floor(a.x),y:Math.floor(a.y)}];var f=Math.abs(b.y-a.y)>Math.abs(b.x-a.x);if(f){var g=Math.floor(a.y);var h=Math.floor(a.x);a=Math.floor(b.y);b=Math.floor(b.x)}else g=Math.floor(a.x),h=Math.floor(a.y),a=Math.floor(b.x),b=Math.floor(b.y);let k=Math.abs(a-g),n=Math.abs(b-h),m=Math.floor(-k/2),l=g<a?1:-1,p=h<b?1:-1,q=!0;for(let v=g,u=h;v!==a+l;v+=l){g=f?u:v;h=f?v:u;if(c.get(g, | ||
| h)!==q&&(q=!q,e.push({x:g,y:h}),e.length===d+1))break;m+=n;if(0<m){if(u===b)break;u+=p;m-=k}}c=[];for(f=0;f<d;f++)e[f]&&e[f+1]?c.push(y(e[f],e[f+1])):c.push(0);return c}function z(a,b,c,d){let e=b.y-a.y,f=b.x-a.x;b=N(a,b,c,Math.ceil(d/2));a=N(a,{x:a.x-f,y:a.y-e},c,Math.ceil(d/2));c=b.shift()+a.shift()-1;return a.concat(c).concat(...b)}function F(a,b){let c=x(a)/x(b),d=0;b.forEach((b,f)=>{d+=Math.pow(a[f]-b*c,2)});return{averageSize:c,error:d}}function O(a,b,c){try{let d=z(a,{x:-1,y:a.y},c,b.length), | ||
| e=z(a,{x:a.x,y:-1},c,b.length),f=z(a,{x:Math.max(0,a.x-a.y)-1,y:Math.max(0,a.y-a.x)-1},c,b.length),g=z(a,{x:Math.min(c.width,a.x+a.y)+1,y:Math.min(c.height,a.y+a.x)+1},c,b.length),h=F(d,b),k=F(e,b),n=F(f,b),m=F(g,b),l=(h.averageSize+k.averageSize+n.averageSize+m.averageSize)/4;return Math.sqrt(h.error*h.error+k.error*k.error+n.error*n.error+m.error*m.error)+(Math.pow(h.averageSize-l,2)+Math.pow(k.averageSize-l,2)+Math.pow(n.averageSize-l,2)+Math.pow(m.averageSize-l,2))/l}catch(d){return Infinity}} | ||
| function H(a,b){for(var c=Math.round(b.x);a.get(c,Math.round(b.y));)c--;for(var d=Math.round(b.x);a.get(d,Math.round(b.y));)d++;c=(c+d)/2;for(d=Math.round(b.y);a.get(Math.round(c),d);)d--;for(b=Math.round(b.y);a.get(Math.round(c),b);)b++;return{x:c,y:(d+b)/2}}function ka(a){var b=[],c=[];let d=[];var e=[];for(let m=0;m<=a.height;m++){var f=0,g=!1;let l=[0,0,0,0,0];for(let b=-1;b<=a.width;b++){var h=a.get(b,m);if(h===g)f++;else{l=[l[1],l[2],l[3],l[4],f];f=1;g=h;var k=x(l)/7;k=Math.abs(l[0]-k)<k&&Math.abs(l[1]- | ||
| k)<k&&Math.abs(l[2]-3*k)<3*k&&Math.abs(l[3]-k)<k&&Math.abs(l[4]-k)<k&&!h;var n=x(l.slice(-3))/3;h=Math.abs(l[2]-n)<n&&Math.abs(l[3]-n)<n&&Math.abs(l[4]-n)<n&&h;if(k){let a=b-l[3]-l[4],d=a-l[2];k={startX:d,endX:a,y:m};n=c.filter(b=>d>=b.bottom.startX&&d<=b.bottom.endX||a>=b.bottom.startX&&d<=b.bottom.endX||d<=b.bottom.startX&&a>=b.bottom.endX&&1.5>l[2]/(b.bottom.endX-b.bottom.startX)&&.5<l[2]/(b.bottom.endX-b.bottom.startX));0<n.length?n[0].bottom=k:c.push({top:k,bottom:k})}if(h){let a=b-l[4],c=a- | ||
| l[3];h={startX:c,y:m,endX:a};k=e.filter(b=>c>=b.bottom.startX&&c<=b.bottom.endX||a>=b.bottom.startX&&c<=b.bottom.endX||c<=b.bottom.startX&&a>=b.bottom.endX&&1.5>l[2]/(b.bottom.endX-b.bottom.startX)&&.5<l[2]/(b.bottom.endX-b.bottom.startX));0<k.length?k[0].bottom=h:e.push({top:h,bottom:h})}}}b.push(...c.filter(a=>a.bottom.y!==m&&2<=a.bottom.y-a.top.y));c=c.filter(a=>a.bottom.y===m);d.push(...e.filter(a=>a.bottom.y!==m));e=e.filter(a=>a.bottom.y===m)}b.push(...c.filter(a=>2<=a.bottom.y-a.top.y));d.push(...e); | ||
| c=[];for(var m of b)2>m.bottom.y-m.top.y||(b=(m.top.startX+m.top.endX+m.bottom.startX+m.bottom.endX)/4,e=(m.top.y+m.bottom.y+1)/2,a.get(Math.round(b),Math.round(e))&&(f=[m.top.endX-m.top.startX,m.bottom.endX-m.bottom.startX,m.bottom.y-m.top.y+1],f=x(f)/f.length,g=O({x:Math.round(b),y:Math.round(e)},[1,1,3,1,1],a),c.push({score:g,x:b,y:e,size:f})));if(3>c.length)return null;c.sort((a,b)=>a.score-b.score);m=[];for(b=0;b<Math.min(c.length,5);++b){e=c[b];f=[];for(var l of c)l!==e&&f.push(Object.assign(Object.assign({}, | ||
| l),{score:l.score+Math.pow(l.size-e.size,2)/e.size}));f.sort((a,b)=>a.score-b.score);m.push({points:[e,f[0],f[1]],score:e.score+f[0].score+f[1].score})}m.sort((a,b)=>a.score-b.score);let {topRight:p,topLeft:q,bottomLeft:v}=ia(...m[0].points);m=P(a,d,p,q,v);l=[];m&&l.push({alignmentPattern:{x:m.alignmentPattern.x,y:m.alignmentPattern.y},bottomLeft:{x:v.x,y:v.y},dimension:m.dimension,topLeft:{x:q.x,y:q.y},topRight:{x:p.x,y:p.y}});m=H(a,p);b=H(a,q);c=H(a,v);(a=P(a,d,m,b,c))&&l.push({alignmentPattern:{x:a.alignmentPattern.x, | ||
| y:a.alignmentPattern.y},bottomLeft:{x:c.x,y:c.y},topLeft:{x:b.x,y:b.y},topRight:{x:m.x,y:m.y},dimension:a.dimension});return 0===l.length?null:l}function P(a,b,c,d,e){let f,g;try{({dimension:f,moduleSize:g}=ja(d,c,e,a))}catch(m){return null}var h=c.x-d.x+e.x,k=c.y-d.y+e.y;c=(y(d,e)+y(d,c))/2/g;e=1-3/c;let n={x:d.x+e*(h-d.x),y:d.y+e*(k-d.y)};b=b.map(b=>{const c=(b.top.startX+b.top.endX+b.bottom.startX+b.bottom.endX)/4;b=(b.top.y+b.bottom.y+1)/2;if(a.get(Math.floor(c),Math.floor(b))){var d=O({x:Math.floor(c), | ||
| y:Math.floor(b)},[1,1,1],a)+y({x:c,y:b},n);return{x:c,y:b,score:d}}}).filter(a=>!!a).sort((a,b)=>a.score-b.score);return{alignmentPattern:15<=c&&b.length?b[0]:n,dimension:f}}function Q(a){var b=ka(a);if(!b)return null;for(let e of b){b=ha(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 a=d+1;a<c.height;a++)c.get(d,a)!==c.get(a,d)&&(c.set(d,a,!c.get(d,a)),c.set(a,d,!c.get(a,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,e.dimension),topRightFinderPattern:e.topRight,topLeftFinderPattern:e.topLeft,bottomLeftFinderPattern:e.bottomLeft,bottomRightAlignmentPattern:e.alignmentPattern},matrix:b.matrix}}return null}function R(a,b){Object.keys(b).forEach(c=>{a[c]=b[c]})}function I(a,b,c,d={}){let e=Object.create(null);R(e,la);R(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 n=0;if(h){var m=new Uint8ClampedArray(a.buffer,n,k);n+=k}m=new S(b,c,m);if(g.useIntegerApproximation)for(var l=0;l<c;l++)for(var p=0;p<b;p++){var q=4*(l*b+p);m.set(p,l,g.red*a[q]+g.green*a[q+1]+g.blue*a[q+2]+128>>8)}else for(l=0;l<c;l++)for(p=0;p<b;p++)q=4* | ||
| (l*b+p),m.set(p,l,g.red*a[q]+g.green*a[q+1]+g.blue*a[q+2]);g=Math.ceil(b/8);l=Math.ceil(c/8);p=g*l;if(h){var v=new Uint8ClampedArray(a.buffer,n,p);n+=p}v=new S(g,l,v);for(p=0;p<l;p++)for(q=0;q<g;q++){var u=Infinity,r=0;for(var t=0;8>t;t++)for(let a=0;8>a;a++){let b=m.get(8*q+a,8*p+t);u=Math.min(u,b);r=Math.max(r,b)}t=(u+r)/2;t=Math.min(255,1.11*t);24>=r-u&&(t=u/2,0<p&&0<q&&(r=(v.get(q,p-1)+2*v.get(q-1,p)+v.get(q-1,p-1))/4,u<r&&(t=r)));v.set(q,p,t)}h?(p=new Uint8ClampedArray(a.buffer,n,k),n+=k,p=new A(p, | ||
| b)):p=A.createEmpty(b,c);q=null;f&&(h?(a=new Uint8ClampedArray(a.buffer,n,k),q=new A(a,b)):q=A.createEmpty(b,c));for(b=0;b<l;b++)for(a=0;a<g;a++){c=g-3;c=2>a?2:a>c?c:a;h=l-3;h=2>b?2:b>h?h:b;k=0;for(n=-2;2>=n;n++)for(u=-2;2>=u;u++)k+=v.get(c+n,h+u);c=k/25;for(h=0;8>h;h++)for(k=0;8>k;k++)n=8*a+h,u=8*b+k,r=m.get(n,u),p.set(n,u,r<=c),f&&q.set(n,u,!(r<=c))}f=f?{binarized:p,inverted:q}:{binarized:p};let {binarized:w,inverted:x}=f;(f=Q(d?x:w))||"attemptBoth"!==e.inversionAttempts&&"invertFirst"!==e.inversionAttempts|| | ||
| (f=Q(d?w:x));return f}class A{constructor(a,b){this.width=b;this.height=a.length/b;this.data=a}static createEmpty(a,b){return new A(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 b=a;b<a+c;b++)this.set(b,f,!!e)}}class S{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}}class V{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,this.bitOffset+=a)}return b}available(){return 8*(this.bytes.length-this.byteOffset)-this.bitOffset}}var r;(function(a){a.Numeric="numeric";a.Alphanumeric="alphanumeric";a.Byte="byte";a.Kanji="kanji";a.ECI="eci";a.StructuredAppend="structuredappend"})(r||(r={}));var t;(function(a){a[a.Terminator=0]="Terminator";a[a.Numeric=1]="Numeric";a[a.Alphanumeric=2]="Alphanumeric";a[a.Byte=4]="Byte";a[a.Kanji=8]="Kanji";a[a.ECI=7]="ECI";a[a.StructuredAppend= | ||
| 3]="StructuredAppend"})(t||(t={}));let B="0123456789ABCDEFGHIJKLMNOPQRSTUVWXYZ $%*+-./:".split("");class w{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;if(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 w(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 w(this.field,c)}multiplyPoly(a){if(this.isZero()||a.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 h=0;h<c;h++){let c=b[h];for(let b=0;b<d;b++){var f=h+b,g=this.field.multiply(c,a[b]);e[f]=e[h+b]^g}}return new w(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 w(this.field,a)}evaluateAt(a){let b=0;if(0===a)return this.getCoefficient(0);let c=this.coefficients.length;if(1===a)return this.coefficients.forEach(a=>{b^=a}),b;b=this.coefficients[0];for(let d=1;d<c;d++)b=J(this.field.multiply(a,b),this.coefficients[d]);return b}}class Y{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 w(this,Uint8ClampedArray.from([0]));this.one=new w(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===a)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 w(this,a)}log(a){if(0===a)throw Error("Can't take log(0)");return this.logTable[a]}exp(a){return this.expTable[a]}}let K=[{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,dataCodewordsPerBlock: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,ecBlocks:[{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}]}]},{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:[6,34],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,ecBlocks:[{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},{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},{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,dataCodewordsPerBlock: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,dataCodewordsPerBlock: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}]},{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}]},{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},{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,ecBlocks:[{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:[6,26,50,74],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,versionNumber: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,dataCodewordsPerBlock: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,dataCodewordsPerBlock: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}]},{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},{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},{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},{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},{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,ecBlocks:[{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,dataCodewordsPerBlock: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,dataCodewordsPerBlock: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}]},{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},{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,ecBlocks:[{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:[6,26,52,78,104,130],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}]}]},{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},{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,dataCodewordsPerBlock: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}]},{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,dataCodewordsPerBlock: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}]},{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,dataCodewordsPerBlock: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}]},{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,dataCodewordsPerBlock: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],errorCorrectionLevels:[{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,versionNumber: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},{numBlocks:61,dataCodewordsPerBlock:16}]}]}],da=[{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,dataMask: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,formatInfo:{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,dataMask: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}}],aa=[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%2+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],y=(a,b)=>Math.sqrt(Math.pow(b.x-a.x,2)+Math.pow(b.y-a.y,2)),la={inversionAttempts:"attemptBoth",greyScaleWeights:{red:.2126,green:.7152,blue:.0722,useIntegerApproximation:!1}, | ||
| canOverwriteImage:!0};I.default=I;let G="dontInvert",D={red:77,green:150,blue:29,useIntegerApproximation:!0};self.onmessage=a=>{let b=a.data.data;switch(a.data.type){case "decode":a=I(b.data,b.width,b.height,{inversionAttempts:G,greyScaleWeights:D});self.postMessage({type:"qrResult",data:a?a.data:null});break;case "grayscaleWeights":D.red=b.red;D.green=b.green;D.blue=b.blue;D.useIntegerApproximation=b.useIntegerApproximation;break;case "inversionMode":switch(b){case "original":G="dontInvert";break; | ||
| case "invert":G="onlyInvert";break;case "both":G="attemptBoth";break;default:throw Error("Invalid inversion mode");}break;case "close":self.close()}}})() | ||
| //# sourceMappingURL=qr-scanner-worker.min.js.map |
@@ -1,16 +0,20 @@ | ||
| class e{static hasCamera(){return navigator.mediaDevices?navigator.mediaDevices.enumerateDevices().then(a=>a.some(a=>"videoinput"===a.kind)).catch(()=>!1):Promise.resolve(!1)}constructor(a,b,c=this._onDecodeError.bind(this),d=e.DEFAULT_CANVAS_SIZE,f="environment"){this.$video=a;this.$canvas=document.createElement("canvas");this._onDecode=b;this._preferredFacingMode=f;this._flashOn=this._paused=this._active=!1;"number"===typeof c?(d=c,console.warn("You're using a deprecated version of the QrScanner constructor which will be removed in the future")): | ||
| this._onDecodeError=c;this.$canvas.width=d;this.$canvas.height=d;this._sourceRect={x:0,y:0,width:d,height:d};this._updateSourceRect=this._updateSourceRect.bind(this);this._onPlay=this._onPlay.bind(this);this._onVisibilityChange=this._onVisibilityChange.bind(this);this.$video.playsInline=!0;this.$video.muted=!0;this.$video.disablePictureInPicture=!0;this.$video.addEventListener("loadedmetadata",this._updateSourceRect);this.$video.addEventListener("play",this._onPlay);document.addEventListener("visibilitychange", | ||
| this._onVisibilityChange);this._qrEnginePromise=e.createQrEngine()}hasFlash(){if(!("ImageCapture"in window))return Promise.resolve(!1);let a=this.$video.srcObject?this.$video.srcObject.getVideoTracks()[0]:null;return a?(new ImageCapture(a)).getPhotoCapabilities().then(a=>a.fillLightMode.includes("flash")).catch(a=>{console.warn(a);return!1}):Promise.reject("Camera not started or not available")}isFlashOn(){return this._flashOn}toggleFlash(){return this._setFlash(!this._flashOn)}turnFlashOff(){return this._setFlash(!1)}turnFlashOn(){return this._setFlash(!0)}destroy(){this.$video.removeEventListener("loadedmetadata", | ||
| this._updateSourceRect);this.$video.removeEventListener("play",this._onPlay);document.removeEventListener("visibilitychange",this._onVisibilityChange);this.stop();e._postWorkerMessage(this._qrEnginePromise,"close")}start(){if(this._active&&!this._paused)return Promise.resolve();"https:"!==window.location.protocol&&console.warn("The camera stream is only accessible if the page is transferred via https.");this._active=!0;this._paused=!1;if(document.hidden)return Promise.resolve();clearTimeout(this._offTimeout); | ||
| this._offTimeout=null;if(this.$video.srcObject)return this.$video.play(),Promise.resolve();let a=this._preferredFacingMode;return this._getCameraStream(a,!0).catch(()=>{a="environment"===a?"user":"environment";return this._getCameraStream()}).then(b=>{a=this._getFacingMode(b)||a;this.$video.srcObject=b;this.$video.play();this._setVideoMirror(a)}).catch(a=>{this._active=!1;throw a;})}stop(){this.pause();this._active=!1}pause(){this._paused=!0;this._active&&(this.$video.pause(),this._offTimeout||(this._offTimeout= | ||
| setTimeout(()=>{let a=this.$video.srcObject?this.$video.srcObject.getTracks():[];for(let b of a)b.stop();this._offTimeout=this.$video.srcObject=null},300)))}static scanImage(a,b=null,c=null,d=null,f=!1,k=!1){let g=c instanceof Worker,h=Promise.all([c||e.createQrEngine(),e._loadImage(a)]).then(([a,h])=>{c=a;let k;[d,k]=this._drawToCanvas(h,b,d,f);return c instanceof Worker?(g||c.postMessage({type:"inversionMode",data:"both"}),new Promise((a,b)=>{let f,l,g;l=d=>{"qrResult"===d.data.type&&(c.removeEventListener("message", | ||
| l),c.removeEventListener("error",g),clearTimeout(f),null!==d.data.data?a(d.data.data):b(e.NO_QR_CODE_FOUND))};g=a=>{c.removeEventListener("message",l);c.removeEventListener("error",g);clearTimeout(f);b("Scanner error: "+(a?a.message||a:"Unknown Error"))};c.addEventListener("message",l);c.addEventListener("error",g);f=setTimeout(()=>g("timeout"),1E4);let h=k.getImageData(0,0,d.width,d.height);c.postMessage({type:"decode",data:h},[h.data.buffer])})):new Promise((a,b)=>{let f=setTimeout(()=>b("Scanner error: timeout"), | ||
| 1E4);c.detect(d).then(c=>{c.length?a(c[0].rawValue):b(e.NO_QR_CODE_FOUND)}).catch(a=>b("Scanner error: "+(a.message||a))).finally(()=>clearTimeout(f))})});b&&k&&(h=h.catch(()=>e.scanImage(a,null,c,d,f)));return h=h.finally(()=>{g||e._postWorkerMessage(c,"close")})}setGrayscaleWeights(a,b,c,d=!0){e._postWorkerMessage(this._qrEnginePromise,"grayscaleWeights",{red:a,green:b,blue:c,useIntegerApproximation:d})}setInversionMode(a){e._postWorkerMessage(this._qrEnginePromise,"inversionMode",a)}static createQrEngine(a= | ||
| e.WORKER_PATH){return("BarcodeDetector"in window?BarcodeDetector.getSupportedFormats():Promise.resolve([])).then(b=>-1!==b.indexOf("qr_code")?new BarcodeDetector({formats:["qr_code"]}):new Worker(a))}_onPlay(){this._updateSourceRect();this._scanFrame()}_onVisibilityChange(){document.hidden?this.pause():this._active&&this.start()}_updateSourceRect(){let a=Math.round(2/3*Math.min(this.$video.videoWidth,this.$video.videoHeight));this._sourceRect.width=this._sourceRect.height=a;this._sourceRect.x=(this.$video.videoWidth- | ||
| a)/2;this._sourceRect.y=(this.$video.videoHeight-a)/2}_scanFrame(){if(!this._active||this.$video.paused||this.$video.ended)return!1;requestAnimationFrame(()=>{1>=this.$video.readyState?this._scanFrame():this._qrEnginePromise.then(a=>e.scanImage(this.$video,this._sourceRect,a,this.$canvas,!0)).then(this._onDecode,a=>{this._active&&(-1!==(a.message||a).indexOf("service unavailable")&&(this._qrEnginePromise=e.createQrEngine()),this._onDecodeError(a))}).then(()=>this._scanFrame())})}_onDecodeError(a){a!== | ||
| e.NO_QR_CODE_FOUND&&console.log(a)}_getCameraStream(a,b=!1){let c=[{width:{min:1024}},{width:{min:768}},{}];a&&(b&&(a={exact:a}),c.forEach(b=>b.facingMode=a));return this._getMatchingCameraStream(c)}_getMatchingCameraStream(a){return navigator.mediaDevices&&0!==a.length?navigator.mediaDevices.getUserMedia({video:a.shift()}).catch(()=>this._getMatchingCameraStream(a)):Promise.reject("Camera not found.")}_setFlash(a){return this.hasFlash().then(b=>b?this.$video.srcObject.getVideoTracks()[0].applyConstraints({advanced:[{torch:a}]}): | ||
| Promise.reject("No flash available")).then(()=>this._flashOn=a)}_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=null,c=null,d=!1){c=c||document.createElement("canvas");let f=b&&b.x?b.x:0,k=b&&b.y?b.y:0,g=b&&b.width?b.width:a.width||a.videoWidth;b=b&&b.height?b.height:a.height||a.videoHeight; | ||
| d||c.width===g&&c.height===b||(c.width=g,c.height=b);d=c.getContext("2d",{alpha:!1});d.imageSmoothingEnabled=!1;d.drawImage(a,f,k,g,b,0,0,c.width,c.height);return[c,d]}static _loadImage(a){if(a instanceof HTMLCanvasElement||a instanceof HTMLVideoElement||window.ImageBitmap&&a instanceof window.ImageBitmap||window.OffscreenCanvas&&a instanceof window.OffscreenCanvas)return Promise.resolve(a);if(a instanceof Image)return e._awaitImageLoad(a).then(()=>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;return e._awaitImageLoad(b).then(()=>{(a instanceof File||a instanceof Blob)&&URL.revokeObjectURL(b.src);return b})}return Promise.reject("Unsupported image type.")}static _awaitImageLoad(a){return new Promise((b,c)=>{if(a.complete&&0!==a.naturalWidth)b();else{let d,f;d=()=>{a.removeEventListener("load",d);a.removeEventListener("error",f);b()};f=()=>{a.removeEventListener("load",d);a.removeEventListener("error", | ||
| f);c("Image load error")};a.addEventListener("load",d);a.addEventListener("error",f)}})}static _postWorkerMessage(a,b,c){return Promise.resolve(a).then(a=>{a instanceof Worker&&a.postMessage({type:b,data:c})})}}e.DEFAULT_CANVAS_SIZE=400;e.NO_QR_CODE_FOUND="No QR code found";e.WORKER_PATH="qr-scanner-worker.min.js";export default e | ||
| class f{static hasCamera(){return f.listCameras(!1).then(a=>!!a.length).catch(()=>!1)}static listCameras(a=!1){if(!navigator.mediaDevices)return Promise.resolve([]);let b=null;return(a?navigator.mediaDevices.getUserMedia({audio:!1,video:!0}).then(a=>b=a).catch(()=>{}):Promise.resolve()).then(()=>navigator.mediaDevices.enumerateDevices()).then(a=>a.filter(a=>"videoinput"===a.kind).map((a,b)=>({id:a.deviceId,label:a.label||(0===b?"Default Camera":`Camera ${b+1}`)}))).finally(()=>{if(b)for(let a of b.getTracks())a.stop(), | ||
| b.removeTrack(a)})}constructor(a,b,c=this._onDecodeError,d=this._calculateScanRegion,g="environment"){this.$video=a;this.$canvas=document.createElement("canvas");this._onDecode=b;this._legacyCanvasSize=f.DEFAULT_CANVAS_SIZE;this._preferredCamera=g;this._flashOn=this._paused=this._active=!1;"number"===typeof c?(this._legacyCanvasSize=c,console.warn("You're using a deprecated version of the QrScanner constructor which will be removed in the future")):this._onDecodeError=c;"number"===typeof d?(this._legacyCanvasSize= | ||
| d,console.warn("You're using a deprecated version of the QrScanner constructor which will be removed in the future")):this._calculateScanRegion=d;this._scanRegion=this._calculateScanRegion(a);this._onPlay=this._onPlay.bind(this);this._onLoadedMetaData=this._onLoadedMetaData.bind(this);this._onVisibilityChange=this._onVisibilityChange.bind(this);a.disablePictureInPicture=!0;a.playsInline=!0;a.muted=!0;let h=!1;a.hidden&&(a.hidden=!1,h=!0);document.body.contains(a)||(document.body.appendChild(a),h= | ||
| !0);requestAnimationFrame(()=>{let b=window.getComputedStyle(a);"none"===b.display&&(a.style.setProperty("display","block","important"),h=!0);"visible"!==b.visibility&&(a.style.setProperty("visibility","visible","important"),h=!0);h&&(console.warn("QrScanner has overwritten the video hiding style to avoid Safari stopping the playback."),a.style.opacity=0,a.style.width=0,a.style.height=0)});a.addEventListener("play",this._onPlay);a.addEventListener("loadedmetadata",this._onLoadedMetaData);document.addEventListener("visibilitychange", | ||
| this._onVisibilityChange);this._qrEnginePromise=f.createQrEngine()}hasFlash(){let a=null;return(this.$video.srcObject?Promise.resolve(this.$video.srcObject.getVideoTracks()[0]):this._getCameraStream().then(({stream:b})=>{console.warn("Call hasFlash after successfully starting the scanner to avoid creating a temporary video stream");a=b;return b.getVideoTracks()[0]})).then(a=>"torch"in a.getSettings()).catch(()=>!1).finally(()=>{if(a)for(let b of a.getTracks())b.stop(),a.removeTrack(b)})}isFlashOn(){return this._flashOn}toggleFlash(){return this._flashOn? | ||
| this.turnFlashOff():this.turnFlashOn()}turnFlashOn(){if(this._flashOn)return Promise.resolve();this._flashOn=!0;return!this._active||this._paused?Promise.resolve():this.hasFlash().then(a=>a?this.$video.srcObject.getVideoTracks()[0].applyConstraints({advanced:[{torch:!0}]}):Promise.reject("No flash available")).catch(()=>{this._flashOn=!1;throw e;})}turnFlashOff(){if(this._flashOn)return this._flashOn=!1,this._restartVideoStream()}destroy(){this.$video.removeEventListener("loadedmetadata",this._onLoadedMetaData); | ||
| this.$video.removeEventListener("play",this._onPlay);document.removeEventListener("visibilitychange",this._onVisibilityChange);this.stop();f._postWorkerMessage(this._qrEnginePromise,"close")}start(){if(this._active&&!this._paused)return Promise.resolve();"https:"!==window.location.protocol&&console.warn("The camera stream is only accessible if the page is transferred via https.");this._active=!0;if(document.hidden)return Promise.resolve();this._paused=!1;return this.$video.srcObject?(this.$video.play(), | ||
| Promise.resolve()):this._getCameraStream().then(({stream:a,facingMode:b})=>{this.$video.srcObject=a;this.$video.play();this._setVideoMirror(b);this._flashOn&&(this._flashOn=!1,this.turnFlashOn().catch(()=>{}))}).catch(a=>{this._active=!1;throw a;})}stop(){this.pause();this._active=!1}pause(a=!1){this._paused=!0;if(!this._active)return Promise.resolve(!0);this.$video.pause();let b=()=>{const a=this.$video.srcObject?this.$video.srcObject.getTracks():[];for(const b of a)b.stop(),this.$video.srcObject.removeTrack(b); | ||
| this.$video.srcObject=null};return a?(b(),Promise.resolve(!0)):(new Promise(a=>setTimeout(a,300))).then(()=>{if(!this._paused)return!1;b();return!0})}setCamera(a){if(a===this._preferredCamera)return Promise.resolve();this._preferredCamera=a;return this._restartVideoStream()}static scanImage(a,b=null,c=null,d=null,g=!1,h=!1){let k=c instanceof Worker,l=Promise.all([c||f.createQrEngine(),f._loadImage(a)]).then(([a,h])=>{c=a;let l;[d,l]=this._drawToCanvas(h,b,d,g);return c instanceof Worker?(k||c.postMessage({type:"inversionMode", | ||
| data:"both"}),new Promise((a,b)=>{let g,h,k;h=d=>{"qrResult"===d.data.type&&(c.removeEventListener("message",h),c.removeEventListener("error",k),clearTimeout(g),null!==d.data.data?a(d.data.data):b(f.NO_QR_CODE_FOUND))};k=a=>{c.removeEventListener("message",h);c.removeEventListener("error",k);clearTimeout(g);b("Scanner error: "+(a?a.message||a:"Unknown Error"))};c.addEventListener("message",h);c.addEventListener("error",k);g=setTimeout(()=>k("timeout"),1E4);let m=l.getImageData(0,0,d.width,d.height); | ||
| c.postMessage({type:"decode",data:m},[m.data.buffer])})):new Promise((a,b)=>{let g=setTimeout(()=>b("Scanner error: timeout"),1E4);c.detect(d).then(c=>{c.length?a(c[0].rawValue):b(f.NO_QR_CODE_FOUND)}).catch(a=>b("Scanner error: "+(a.message||a))).finally(()=>clearTimeout(g))})});b&&h&&(l=l.catch(()=>f.scanImage(a,null,c,d,g)));return l=l.finally(()=>{k||f._postWorkerMessage(c,"close")})}setGrayscaleWeights(a,b,c,d=!0){f._postWorkerMessage(this._qrEnginePromise,"grayscaleWeights",{red:a,green:b,blue:c, | ||
| useIntegerApproximation:d})}setInversionMode(a){f._postWorkerMessage(this._qrEnginePromise,"inversionMode",a)}static createQrEngine(a=f.WORKER_PATH){return("BarcodeDetector"in window&&BarcodeDetector.getSupportedFormats?BarcodeDetector.getSupportedFormats():Promise.resolve([])).then(b=>-1!==b.indexOf("qr_code")?new BarcodeDetector({formats:["qr_code"]}):new Worker(a))}_onPlay(){this._scanRegion=this._calculateScanRegion(this.$video);this._scanFrame()}_onLoadedMetaData(){this._scanRegion=this._calculateScanRegion(this.$video)}_onVisibilityChange(){document.hidden? | ||
| this.pause():this._active&&this.start()}_calculateScanRegion(a){let b=Math.round(2/3*Math.min(a.videoWidth,a.videoHeight));return{x:Math.round((a.videoWidth-b)/2),y:Math.round((a.videoHeight-b)/2),width:b,height:b,downScaledWidth:this._legacyCanvasSize,downScaledHeight:this._legacyCanvasSize}}_scanFrame(){if(!this._active||this.$video.paused||this.$video.ended)return!1;requestAnimationFrame(()=>{1>=this.$video.readyState?this._scanFrame():this._qrEnginePromise.then(a=>f.scanImage(this.$video,this._scanRegion, | ||
| a,this.$canvas)).then(this._onDecode,a=>{this._active&&(-1!==(a.message||a).indexOf("service unavailable")&&(this._qrEnginePromise=f.createQrEngine()),this._onDecodeError(a))}).then(()=>this._scanFrame())})}_onDecodeError(a){a!==f.NO_QR_CODE_FOUND&&console.log(a)}_getCameraStream(){if(!navigator.mediaDevices)return Promise.reject("Camera not found.");let a="environment"===this._preferredCamera||"user"===this._preferredCamera?"facingMode":"deviceId",b=[{width:{min:1024}},{width:{min:768}},{}];return[...b.map(b=> | ||
| Object.assign({},b,{[a]:{exact:this._preferredCamera}})),...b].reduceRight((a,b)=>()=>navigator.mediaDevices.getUserMedia({video:b,audio:!1}).then(a=>({stream:a,facingMode:this._getFacingMode(a)||(b.facingMode?this._preferredCamera:"environment"===this._preferredCamera?"user":"environment")})).catch(a),()=>Promise.reject("Camera not found."))()}_restartVideoStream(){let a=this._paused;return this.pause(!0).then(b=>{if(b&&!a&&this._active)return this.start()})}_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=null,c=null,d=!1){c=c||document.createElement("canvas");let g=b&&b.x?b.x:0,h=b&&b.y?b.y:0,k=b&&b.width?b.width:a.width||a.videoWidth,l=b&&b.height?b.height:a.height||a.videoHeight;d||(d=b&&b.downScaledWidth?b.downScaledWidth:k,b=b&&b.downScaledHeight?b.downScaledHeight:l,c.width!==d&&(c.width= | ||
| d),c.height!==b&&(c.height=b));b=c.getContext("2d",{alpha:!1});b.imageSmoothingEnabled=!1;b.drawImage(a,g,h,k,l,0,0,c.width,c.height);return[c,b]}static _loadImage(a){if(a instanceof HTMLCanvasElement||a instanceof HTMLVideoElement||window.ImageBitmap&&a instanceof window.ImageBitmap||window.OffscreenCanvas&&a instanceof window.OffscreenCanvas)return Promise.resolve(a);if(a instanceof Image)return f._awaitImageLoad(a).then(()=>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;return f._awaitImageLoad(b).then(()=>{(a instanceof File||a instanceof Blob)&&URL.revokeObjectURL(b.src);return b})}return Promise.reject("Unsupported image type.")}static _awaitImageLoad(a){return new Promise((b,c)=>{if(a.complete&&0!==a.naturalWidth)b();else{let d,g;d=()=>{a.removeEventListener("load",d);a.removeEventListener("error",g);b()};g=()=>{a.removeEventListener("load",d);a.removeEventListener("error", | ||
| g);c("Image load error")};a.addEventListener("load",d);a.addEventListener("error",g)}})}static _postWorkerMessage(a,b,c){return Promise.resolve(a).then(a=>{a instanceof Worker&&a.postMessage({type:b,data:c})})}}f.DEFAULT_CANVAS_SIZE=400;f.NO_QR_CODE_FOUND="No QR code found";f.WORKER_PATH="qr-scanner-worker.min.js";export default f | ||
| //# sourceMappingURL=qr-scanner.min.js.map |
@@ -1,17 +0,20 @@ | ||
| 'use strict';(function(d,a){"object"===typeof exports&&"undefined"!==typeof module?module.exports=a():"function"===typeof define&&define.amd?define(a):(d=d||self,d.QrScanner=a())})(this,function(){class d{static hasCamera(){return navigator.mediaDevices?navigator.mediaDevices.enumerateDevices().then(a=>a.some(a=>"videoinput"===a.kind)).catch(()=>!1):Promise.resolve(!1)}constructor(a,b,c=this._onDecodeError.bind(this),e=d.DEFAULT_CANVAS_SIZE,g="environment"){this.$video=a;this.$canvas=document.createElement("canvas"); | ||
| this._onDecode=b;this._preferredFacingMode=g;this._flashOn=this._paused=this._active=!1;"number"===typeof c?(e=c,console.warn("You're using a deprecated version of the QrScanner constructor which will be removed in the future")):this._onDecodeError=c;this.$canvas.width=e;this.$canvas.height=e;this._sourceRect={x:0,y:0,width:e,height:e};this._updateSourceRect=this._updateSourceRect.bind(this);this._onPlay=this._onPlay.bind(this);this._onVisibilityChange=this._onVisibilityChange.bind(this);this.$video.playsInline= | ||
| !0;this.$video.muted=!0;this.$video.disablePictureInPicture=!0;this.$video.addEventListener("loadedmetadata",this._updateSourceRect);this.$video.addEventListener("play",this._onPlay);document.addEventListener("visibilitychange",this._onVisibilityChange);this._qrEnginePromise=d.createQrEngine()}hasFlash(){if(!("ImageCapture"in window))return Promise.resolve(!1);let a=this.$video.srcObject?this.$video.srcObject.getVideoTracks()[0]:null;return a?(new ImageCapture(a)).getPhotoCapabilities().then(a=>a.fillLightMode.includes("flash")).catch(a=> | ||
| {console.warn(a);return!1}):Promise.reject("Camera not started or not available")}isFlashOn(){return this._flashOn}toggleFlash(){return this._setFlash(!this._flashOn)}turnFlashOff(){return this._setFlash(!1)}turnFlashOn(){return this._setFlash(!0)}destroy(){this.$video.removeEventListener("loadedmetadata",this._updateSourceRect);this.$video.removeEventListener("play",this._onPlay);document.removeEventListener("visibilitychange",this._onVisibilityChange);this.stop();d._postWorkerMessage(this._qrEnginePromise, | ||
| "close")}start(){if(this._active&&!this._paused)return Promise.resolve();"https:"!==window.location.protocol&&console.warn("The camera stream is only accessible if the page is transferred via https.");this._active=!0;this._paused=!1;if(document.hidden)return Promise.resolve();clearTimeout(this._offTimeout);this._offTimeout=null;if(this.$video.srcObject)return this.$video.play(),Promise.resolve();let a=this._preferredFacingMode;return this._getCameraStream(a,!0).catch(()=>{a="environment"===a?"user": | ||
| "environment";return this._getCameraStream()}).then(b=>{a=this._getFacingMode(b)||a;this.$video.srcObject=b;this.$video.play();this._setVideoMirror(a)}).catch(a=>{this._active=!1;throw a;})}stop(){this.pause();this._active=!1}pause(){this._paused=!0;this._active&&(this.$video.pause(),this._offTimeout||(this._offTimeout=setTimeout(()=>{let a=this.$video.srcObject?this.$video.srcObject.getTracks():[];for(let b of a)b.stop();this._offTimeout=this.$video.srcObject=null},300)))}static scanImage(a,b=null, | ||
| c=null,e=null,g=!1,k=!1){let f=c instanceof Worker,h=Promise.all([c||d.createQrEngine(),d._loadImage(a)]).then(([a,h])=>{c=a;let k;[e,k]=this._drawToCanvas(h,b,e,g);return c instanceof Worker?(f||c.postMessage({type:"inversionMode",data:"both"}),new Promise((a,b)=>{let g,l,f;l=e=>{"qrResult"===e.data.type&&(c.removeEventListener("message",l),c.removeEventListener("error",f),clearTimeout(g),null!==e.data.data?a(e.data.data):b(d.NO_QR_CODE_FOUND))};f=a=>{c.removeEventListener("message",l);c.removeEventListener("error", | ||
| f);clearTimeout(g);b("Scanner error: "+(a?a.message||a:"Unknown Error"))};c.addEventListener("message",l);c.addEventListener("error",f);g=setTimeout(()=>f("timeout"),1E4);let h=k.getImageData(0,0,e.width,e.height);c.postMessage({type:"decode",data:h},[h.data.buffer])})):new Promise((a,b)=>{let g=setTimeout(()=>b("Scanner error: timeout"),1E4);c.detect(e).then(c=>{c.length?a(c[0].rawValue):b(d.NO_QR_CODE_FOUND)}).catch(a=>b("Scanner error: "+(a.message||a))).finally(()=>clearTimeout(g))})});b&&k&& | ||
| (h=h.catch(()=>d.scanImage(a,null,c,e,g)));return h=h.finally(()=>{f||d._postWorkerMessage(c,"close")})}setGrayscaleWeights(a,b,c,e=!0){d._postWorkerMessage(this._qrEnginePromise,"grayscaleWeights",{red:a,green:b,blue:c,useIntegerApproximation:e})}setInversionMode(a){d._postWorkerMessage(this._qrEnginePromise,"inversionMode",a)}static createQrEngine(a=d.WORKER_PATH){return("BarcodeDetector"in window?BarcodeDetector.getSupportedFormats():Promise.resolve([])).then(b=>-1!==b.indexOf("qr_code")?new BarcodeDetector({formats:["qr_code"]}): | ||
| new Worker(a))}_onPlay(){this._updateSourceRect();this._scanFrame()}_onVisibilityChange(){document.hidden?this.pause():this._active&&this.start()}_updateSourceRect(){let a=Math.round(2/3*Math.min(this.$video.videoWidth,this.$video.videoHeight));this._sourceRect.width=this._sourceRect.height=a;this._sourceRect.x=(this.$video.videoWidth-a)/2;this._sourceRect.y=(this.$video.videoHeight-a)/2}_scanFrame(){if(!this._active||this.$video.paused||this.$video.ended)return!1;requestAnimationFrame(()=>{1>=this.$video.readyState? | ||
| this._scanFrame():this._qrEnginePromise.then(a=>d.scanImage(this.$video,this._sourceRect,a,this.$canvas,!0)).then(this._onDecode,a=>{this._active&&(-1!==(a.message||a).indexOf("service unavailable")&&(this._qrEnginePromise=d.createQrEngine()),this._onDecodeError(a))}).then(()=>this._scanFrame())})}_onDecodeError(a){a!==d.NO_QR_CODE_FOUND&&console.log(a)}_getCameraStream(a,b=!1){let c=[{width:{min:1024}},{width:{min:768}},{}];a&&(b&&(a={exact:a}),c.forEach(b=>b.facingMode=a));return this._getMatchingCameraStream(c)}_getMatchingCameraStream(a){return navigator.mediaDevices&& | ||
| 0!==a.length?navigator.mediaDevices.getUserMedia({video:a.shift()}).catch(()=>this._getMatchingCameraStream(a)):Promise.reject("Camera not found.")}_setFlash(a){return this.hasFlash().then(b=>b?this.$video.srcObject.getVideoTracks()[0].applyConstraints({advanced:[{torch:a}]}):Promise.reject("No flash available")).then(()=>this._flashOn=a)}_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=null,c=null,e=!1){c=c||document.createElement("canvas");let d=b&&b.x?b.x:0,k=b&&b.y?b.y:0,f=b&&b.width?b.width:a.width||a.videoWidth;b=b&&b.height?b.height:a.height||a.videoHeight;e||c.width===f&&c.height===b||(c.width=f,c.height=b);e=c.getContext("2d",{alpha:!1});e.imageSmoothingEnabled=!1;e.drawImage(a,d,k,f,b,0,0,c.width,c.height);return[c,e]}static _loadImage(a){if(a instanceof HTMLCanvasElement||a instanceof | ||
| HTMLVideoElement||window.ImageBitmap&&a instanceof window.ImageBitmap||window.OffscreenCanvas&&a instanceof window.OffscreenCanvas)return Promise.resolve(a);if(a instanceof Image)return d._awaitImageLoad(a).then(()=>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;return d._awaitImageLoad(b).then(()=>{(a instanceof File||a instanceof Blob)&&URL.revokeObjectURL(b.src);return b})}return Promise.reject("Unsupported image type.")}static _awaitImageLoad(a){return new Promise((b, | ||
| c)=>{if(a.complete&&0!==a.naturalWidth)b();else{let e,d;e=()=>{a.removeEventListener("load",e);a.removeEventListener("error",d);b()};d=()=>{a.removeEventListener("load",e);a.removeEventListener("error",d);c("Image load error")};a.addEventListener("load",e);a.addEventListener("error",d)}})}static _postWorkerMessage(a,b,c){return Promise.resolve(a).then(a=>{a instanceof Worker&&a.postMessage({type:b,data:c})})}}d.DEFAULT_CANVAS_SIZE=400;d.NO_QR_CODE_FOUND="No QR code found";d.WORKER_PATH="qr-scanner-worker.min.js"; | ||
| return d}) | ||
| 'use strict';(function(d,a){"object"===typeof exports&&"undefined"!==typeof module?module.exports=a():"function"===typeof define&&define.amd?define(a):(d=d||self,d.QrScanner=a())})(this,function(){class d{static hasCamera(){return d.listCameras(!1).then(a=>!!a.length).catch(()=>!1)}static listCameras(a=!1){if(!navigator.mediaDevices)return Promise.resolve([]);let b=null;return(a?navigator.mediaDevices.getUserMedia({audio:!1,video:!0}).then(a=>b=a).catch(()=>{}):Promise.resolve()).then(()=>navigator.mediaDevices.enumerateDevices()).then(a=> | ||
| a.filter(a=>"videoinput"===a.kind).map((a,b)=>({id:a.deviceId,label:a.label||(0===b?"Default Camera":`Camera ${b+1}`)}))).finally(()=>{if(b)for(let a of b.getTracks())a.stop(),b.removeTrack(a)})}constructor(a,b,c=this._onDecodeError,f=this._calculateScanRegion,k="environment"){this.$video=a;this.$canvas=document.createElement("canvas");this._onDecode=b;this._legacyCanvasSize=d.DEFAULT_CANVAS_SIZE;this._preferredCamera=k;this._flashOn=this._paused=this._active=!1;"number"===typeof c?(this._legacyCanvasSize= | ||
| c,console.warn("You're using a deprecated version of the QrScanner constructor which will be removed in the future")):this._onDecodeError=c;"number"===typeof f?(this._legacyCanvasSize=f,console.warn("You're using a deprecated version of the QrScanner constructor which will be removed in the future")):this._calculateScanRegion=f;this._scanRegion=this._calculateScanRegion(a);this._onPlay=this._onPlay.bind(this);this._onLoadedMetaData=this._onLoadedMetaData.bind(this);this._onVisibilityChange=this._onVisibilityChange.bind(this); | ||
| a.disablePictureInPicture=!0;a.playsInline=!0;a.muted=!0;let g=!1;a.hidden&&(a.hidden=!1,g=!0);document.body.contains(a)||(document.body.appendChild(a),g=!0);requestAnimationFrame(()=>{let b=window.getComputedStyle(a);"none"===b.display&&(a.style.setProperty("display","block","important"),g=!0);"visible"!==b.visibility&&(a.style.setProperty("visibility","visible","important"),g=!0);g&&(console.warn("QrScanner has overwritten the video hiding style to avoid Safari stopping the playback."),a.style.opacity= | ||
| 0,a.style.width=0,a.style.height=0)});a.addEventListener("play",this._onPlay);a.addEventListener("loadedmetadata",this._onLoadedMetaData);document.addEventListener("visibilitychange",this._onVisibilityChange);this._qrEnginePromise=d.createQrEngine()}hasFlash(){let a=null;return(this.$video.srcObject?Promise.resolve(this.$video.srcObject.getVideoTracks()[0]):this._getCameraStream().then(({stream:b})=>{console.warn("Call hasFlash after successfully starting the scanner to avoid creating a temporary video stream"); | ||
| a=b;return b.getVideoTracks()[0]})).then(a=>"torch"in a.getSettings()).catch(()=>!1).finally(()=>{if(a)for(let b of a.getTracks())b.stop(),a.removeTrack(b)})}isFlashOn(){return this._flashOn}toggleFlash(){return this._flashOn?this.turnFlashOff():this.turnFlashOn()}turnFlashOn(){if(this._flashOn)return Promise.resolve();this._flashOn=!0;return!this._active||this._paused?Promise.resolve():this.hasFlash().then(a=>a?this.$video.srcObject.getVideoTracks()[0].applyConstraints({advanced:[{torch:!0}]}):Promise.reject("No flash available")).catch(()=> | ||
| {this._flashOn=!1;throw e;})}turnFlashOff(){if(this._flashOn)return this._flashOn=!1,this._restartVideoStream()}destroy(){this.$video.removeEventListener("loadedmetadata",this._onLoadedMetaData);this.$video.removeEventListener("play",this._onPlay);document.removeEventListener("visibilitychange",this._onVisibilityChange);this.stop();d._postWorkerMessage(this._qrEnginePromise,"close")}start(){if(this._active&&!this._paused)return Promise.resolve();"https:"!==window.location.protocol&&console.warn("The camera stream is only accessible if the page is transferred via https."); | ||
| this._active=!0;if(document.hidden)return Promise.resolve();this._paused=!1;return this.$video.srcObject?(this.$video.play(),Promise.resolve()):this._getCameraStream().then(({stream:a,facingMode:b})=>{this.$video.srcObject=a;this.$video.play();this._setVideoMirror(b);this._flashOn&&(this._flashOn=!1,this.turnFlashOn().catch(()=>{}))}).catch(a=>{this._active=!1;throw a;})}stop(){this.pause();this._active=!1}pause(a=!1){this._paused=!0;if(!this._active)return Promise.resolve(!0);this.$video.pause(); | ||
| let b=()=>{const a=this.$video.srcObject?this.$video.srcObject.getTracks():[];for(const b of a)b.stop(),this.$video.srcObject.removeTrack(b);this.$video.srcObject=null};return a?(b(),Promise.resolve(!0)):(new Promise(a=>setTimeout(a,300))).then(()=>{if(!this._paused)return!1;b();return!0})}setCamera(a){if(a===this._preferredCamera)return Promise.resolve();this._preferredCamera=a;return this._restartVideoStream()}static scanImage(a,b=null,c=null,f=null,k=!1,g=!1){let h=c instanceof Worker,l=Promise.all([c|| | ||
| d.createQrEngine(),d._loadImage(a)]).then(([a,g])=>{c=a;let l;[f,l]=this._drawToCanvas(g,b,f,k);return c instanceof Worker?(h||c.postMessage({type:"inversionMode",data:"both"}),new Promise((a,b)=>{let k,g,h;g=f=>{"qrResult"===f.data.type&&(c.removeEventListener("message",g),c.removeEventListener("error",h),clearTimeout(k),null!==f.data.data?a(f.data.data):b(d.NO_QR_CODE_FOUND))};h=a=>{c.removeEventListener("message",g);c.removeEventListener("error",h);clearTimeout(k);b("Scanner error: "+(a?a.message|| | ||
| a:"Unknown Error"))};c.addEventListener("message",g);c.addEventListener("error",h);k=setTimeout(()=>h("timeout"),1E4);let m=l.getImageData(0,0,f.width,f.height);c.postMessage({type:"decode",data:m},[m.data.buffer])})):new Promise((a,b)=>{let k=setTimeout(()=>b("Scanner error: timeout"),1E4);c.detect(f).then(c=>{c.length?a(c[0].rawValue):b(d.NO_QR_CODE_FOUND)}).catch(a=>b("Scanner error: "+(a.message||a))).finally(()=>clearTimeout(k))})});b&&g&&(l=l.catch(()=>d.scanImage(a,null,c,f,k)));return l=l.finally(()=> | ||
| {h||d._postWorkerMessage(c,"close")})}setGrayscaleWeights(a,b,c,f=!0){d._postWorkerMessage(this._qrEnginePromise,"grayscaleWeights",{red:a,green:b,blue:c,useIntegerApproximation:f})}setInversionMode(a){d._postWorkerMessage(this._qrEnginePromise,"inversionMode",a)}static createQrEngine(a=d.WORKER_PATH){return("BarcodeDetector"in window&&BarcodeDetector.getSupportedFormats?BarcodeDetector.getSupportedFormats():Promise.resolve([])).then(b=>-1!==b.indexOf("qr_code")?new BarcodeDetector({formats:["qr_code"]}): | ||
| new Worker(a))}_onPlay(){this._scanRegion=this._calculateScanRegion(this.$video);this._scanFrame()}_onLoadedMetaData(){this._scanRegion=this._calculateScanRegion(this.$video)}_onVisibilityChange(){document.hidden?this.pause():this._active&&this.start()}_calculateScanRegion(a){let b=Math.round(2/3*Math.min(a.videoWidth,a.videoHeight));return{x:Math.round((a.videoWidth-b)/2),y:Math.round((a.videoHeight-b)/2),width:b,height:b,downScaledWidth:this._legacyCanvasSize,downScaledHeight:this._legacyCanvasSize}}_scanFrame(){if(!this._active|| | ||
| this.$video.paused||this.$video.ended)return!1;requestAnimationFrame(()=>{1>=this.$video.readyState?this._scanFrame():this._qrEnginePromise.then(a=>d.scanImage(this.$video,this._scanRegion,a,this.$canvas)).then(this._onDecode,a=>{this._active&&(-1!==(a.message||a).indexOf("service unavailable")&&(this._qrEnginePromise=d.createQrEngine()),this._onDecodeError(a))}).then(()=>this._scanFrame())})}_onDecodeError(a){a!==d.NO_QR_CODE_FOUND&&console.log(a)}_getCameraStream(){if(!navigator.mediaDevices)return Promise.reject("Camera not found."); | ||
| let a="environment"===this._preferredCamera||"user"===this._preferredCamera?"facingMode":"deviceId",b=[{width:{min:1024}},{width:{min:768}},{}];return[...b.map(b=>Object.assign({},b,{[a]:{exact:this._preferredCamera}})),...b].reduceRight((a,b)=>()=>navigator.mediaDevices.getUserMedia({video:b,audio:!1}).then(a=>({stream:a,facingMode:this._getFacingMode(a)||(b.facingMode?this._preferredCamera:"environment"===this._preferredCamera?"user":"environment")})).catch(a),()=>Promise.reject("Camera not found."))()}_restartVideoStream(){let a= | ||
| this._paused;return this.pause(!0).then(b=>{if(b&&!a&&this._active)return this.start()})}_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=null,c=null,f=!1){c=c||document.createElement("canvas");let d=b&&b.x?b.x:0,g=b&&b.y?b.y:0,h=b&&b.width?b.width:a.width||a.videoWidth,l=b&&b.height?b.height: | ||
| a.height||a.videoHeight;f||(f=b&&b.downScaledWidth?b.downScaledWidth:h,b=b&&b.downScaledHeight?b.downScaledHeight:l,c.width!==f&&(c.width=f),c.height!==b&&(c.height=b));b=c.getContext("2d",{alpha:!1});b.imageSmoothingEnabled=!1;b.drawImage(a,d,g,h,l,0,0,c.width,c.height);return[c,b]}static _loadImage(a){if(a instanceof HTMLCanvasElement||a instanceof HTMLVideoElement||window.ImageBitmap&&a instanceof window.ImageBitmap||window.OffscreenCanvas&&a instanceof window.OffscreenCanvas)return Promise.resolve(a); | ||
| if(a instanceof Image)return d._awaitImageLoad(a).then(()=>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;return d._awaitImageLoad(b).then(()=>{(a instanceof File||a instanceof Blob)&&URL.revokeObjectURL(b.src);return b})}return Promise.reject("Unsupported image type.")}static _awaitImageLoad(a){return new Promise((b,c)=>{if(a.complete&&0!==a.naturalWidth)b();else{let f,d;f=()=> | ||
| {a.removeEventListener("load",f);a.removeEventListener("error",d);b()};d=()=>{a.removeEventListener("load",f);a.removeEventListener("error",d);c("Image load error")};a.addEventListener("load",f);a.addEventListener("error",d)}})}static _postWorkerMessage(a,b,c){return Promise.resolve(a).then(a=>{a instanceof Worker&&a.postMessage({type:b,data:c})})}}d.DEFAULT_CANVAS_SIZE=400;d.NO_QR_CODE_FOUND="No QR code found";d.WORKER_PATH="qr-scanner-worker.min.js";return d}) | ||
| //# sourceMappingURL=qr-scanner.umd.min.js.map |
@@ -141,5 +141,5 @@ # QR Scanner | ||
| As an optional fourth parameter a specific resolution that should be worked on can be specified. The default is 400. | ||
| As an optional fourth parameter a method can be provided that determines a region to which scanning should be restricted as a performance improvement. This region can optionally also be scaled down before performing the scan as an additional performance improvement. The region is specified as `x`, `y`, `width` and `height`; the dimensions for the downscaled region as `downScaledWidth` and `downScaledHeight`. Note that the aspect ratio between `width` and `height` and `downScaledWidth` and `downScaledHeight` should remain the same. By default, the scan region is restricted to a centered square of two thirds of the video width or height, whichever is smaller, and scaled down to a 400x400 square. | ||
| As an optional fifth parameter a preference for the camera to use can be specified. Allowed values are `'environment'` and `'user'`. The default is `'environment'`. | ||
| As an optional fifth parameter a preference for the camera to use can be specified. The preference can be either a device id as returned by `listCameras` or a facing mode specified as `'environment'` or `'user'`. The default is `'environment'`. Note that there is no guarantee that the preference can actually be fulfilled. | ||
@@ -182,3 +182,3 @@ To use the default value for an optional parameter, omit it or use `undefined`. | ||
| As an optional second parameter a region defined by `x`, `y`, `width` and `height` can be specified to which the search for a QR code should be restricted. By default, the region spans the whole image. | ||
| As an optional second parameter a region defined by `x`, `y`, `width` and `height` can be specified to which the search for a QR code should be restricted. As a performance improvement this region can be scaled down before performing the scan by providing a `downScaledWidth` and `downScaledHeight`. By default, the region spans the whole image and is not scaled down. | ||
@@ -200,2 +200,20 @@ As an optional third parameter a manually created QR scanner engine instance to be reused can be specified. This improves performance if you're scanning a lot of images. An engine can be manually created via `QrScanner.createQrEngine(QrScanner.WORKER_PATH)` (async). By default, no engine is reused for single image scanning. | ||
| ### Getting the list of available Cameras | ||
| This library provides a utility method for getting a list of the device's cameras, defined via their `id` and `label`. This can be useful for letting a user choose a specific camera to use. | ||
| You can optionally request the camera's labels. Note that this however requires the user's permission to acess the cameras, which he will be asked for if not granted already. If not specifically requested, device labels are determined on a best effort basis, i.e. actual labels are returned if permissions were already granted and fallback labels otherwise. | ||
| ```js | ||
| QrScanner.listCameras(); // async; without requesting camera labels | ||
| QrScanner.listCameras(true); // async; requesting camera labels, potentially asking the user for permission | ||
| ``` | ||
| ### Specifying which camera to use | ||
| You can change the preferred camera to be used. The preference can be either a device id as returned by `listCameras` or a facing mode specified as `'environment'` or `'user'`. Note that there is no guarantee that the preference can actually be fulfilled. | ||
| ```js | ||
| qrScanner.setCamera(facingModeOrDeviceId); // async | ||
| ``` | ||
| ### Color Inverted Mode | ||
@@ -220,3 +238,3 @@ The scanner by default scans for dark QR codes on a bright background. You can change this behavior to scan for bright QR codes on dark background or for both at the same time: | ||
| On supported browsers, you can check whether the used camera has a flash and turn it on or off. Note that `qrScanner.start()` has to be called and awaited first. | ||
| On supported browsers, you can check whether the currently used camera has a flash and turn it on or off. Note that hasFlash should be called after the scanner was successfully started to avoid the need to open a temporary camera stream just to query whether it has flash support, potentially asking the user for camera access. | ||
@@ -223,0 +241,0 @@ ```js |
| export default class QrScanner { | ||
| /* async */ | ||
| static hasCamera() { | ||
| if (!navigator.mediaDevices) return Promise.resolve(false); | ||
| // note that enumerateDevices can always be called and does not prompt the user for permission. However, device | ||
| // labels are only readable if served via https and an active media stream exists or permanent permission is | ||
| // given. That doesn't matter for us though as we don't require labels. | ||
| return navigator.mediaDevices.enumerateDevices() | ||
| .then(devices => devices.some(device => device.kind === 'videoinput')) | ||
| return QrScanner.listCameras(false) | ||
| .then(cameras => !!cameras.length) | ||
| .catch(() => false); | ||
| } | ||
| /* async */ | ||
| static listCameras(requestLabels = false) { | ||
| if (!navigator.mediaDevices) return Promise.resolve([]); | ||
| // Note that enumerateDevices can always be called and does not prompt the user for permission. | ||
| // However, enumerateDevices only includes device labels if served via https and an active media stream exists | ||
| // or permission to access the camera was given. Therefore, ask for camera permission by opening a stream, if | ||
| // labels were requested. | ||
| let openedStream = null; | ||
| return (requestLabels | ||
| ? navigator.mediaDevices.getUserMedia({ audio: false, video: true }) | ||
| .then(stream => openedStream = stream) | ||
| // Fail gracefully, especially if the device has no camera or on mobile when the camera is already in | ||
| // use and some browsers disallow a second stream. | ||
| .catch(() => {}) | ||
| : Promise.resolve() | ||
| ) | ||
| .then(() => navigator.mediaDevices.enumerateDevices()) | ||
| .then(devices => devices.filter(device => device.kind === 'videoinput').map((device, i) => ({ | ||
| id: device.deviceId, | ||
| label: device.label || (i === 0 ? 'Default Camera' : `Camera ${i + 1}`), | ||
| }))) | ||
| .finally(() => { | ||
| // close the stream we just opened for getting camera access for listing the device labels | ||
| if (!openedStream) return; | ||
| for (const track of openedStream.getTracks()) { | ||
| track.stop(); | ||
| openedStream.removeTrack(track); | ||
| } | ||
| }); | ||
| } | ||
| constructor( | ||
| video, | ||
| onDecode, | ||
| canvasSizeOrOnDecodeError = this._onDecodeError.bind(this), | ||
| canvasSize = QrScanner.DEFAULT_CANVAS_SIZE, | ||
| preferredFacingMode = 'environment' | ||
| canvasSizeOrOnDecodeError = this._onDecodeError, | ||
| canvasSizeOrCalculateScanRegion = this._calculateScanRegion, | ||
| preferredCamera = 'environment' | ||
| ) { | ||
@@ -23,3 +51,4 @@ this.$video = video; | ||
| this._onDecode = onDecode; | ||
| this._preferredFacingMode = preferredFacingMode; | ||
| this._legacyCanvasSize = QrScanner.DEFAULT_CANVAS_SIZE; | ||
| this._preferredCamera = preferredCamera; | ||
| this._active = false; | ||
@@ -30,4 +59,4 @@ this._paused = false; | ||
| if (typeof canvasSizeOrOnDecodeError === 'number') { | ||
| // legacy function signature where canvas size is the third argument | ||
| canvasSize = canvasSizeOrOnDecodeError; | ||
| // legacy function signature where the third argument is the canvas size | ||
| this._legacyCanvasSize = canvasSizeOrOnDecodeError; | ||
| console.warn('You\'re using a deprecated version of the QrScanner constructor which will be removed in ' | ||
@@ -39,24 +68,58 @@ + 'the future'); | ||
| this.$canvas.width = canvasSize; | ||
| this.$canvas.height = canvasSize; | ||
| this._sourceRect = { | ||
| x: 0, | ||
| y: 0, | ||
| width: canvasSize, | ||
| height: canvasSize | ||
| }; | ||
| if (typeof canvasSizeOrCalculateScanRegion === 'number') { | ||
| // legacy function signature where the fourth argument is the canvas size | ||
| this._legacyCanvasSize = canvasSizeOrCalculateScanRegion; | ||
| console.warn('You\'re using a deprecated version of the QrScanner constructor which will be removed in ' | ||
| + 'the future'); | ||
| } else { | ||
| this._calculateScanRegion = canvasSizeOrCalculateScanRegion; | ||
| } | ||
| this._updateSourceRect = this._updateSourceRect.bind(this); | ||
| this._scanRegion = this._calculateScanRegion(video); | ||
| this._onPlay = this._onPlay.bind(this); | ||
| this._onLoadedMetaData = this._onLoadedMetaData.bind(this); | ||
| this._onVisibilityChange = this._onVisibilityChange.bind(this); | ||
| video.disablePictureInPicture = true; | ||
| // Allow inline playback on iPhone instead of requiring full screen playback, | ||
| // see https://webkit.org/blog/6784/new-video-policies-for-ios/ | ||
| this.$video.playsInline = true; | ||
| video.playsInline = true; | ||
| // Allow play() on iPhone without requiring a user gesture. Should not really be needed as camera stream | ||
| // includes no audio, but just to be safe. | ||
| this.$video.muted = true; | ||
| this.$video.disablePictureInPicture = true; | ||
| this.$video.addEventListener('loadedmetadata', this._updateSourceRect); | ||
| this.$video.addEventListener('play', this._onPlay); | ||
| video.muted = true; | ||
| // Avoid Safari stopping the video stream on a hidden video. | ||
| // See https://github.com/cozmo/jsQR/issues/185 | ||
| let shouldHideVideo = false; | ||
| if (video.hidden) { | ||
| video.hidden = false; | ||
| shouldHideVideo = true; | ||
| } | ||
| if (!document.body.contains(video)) { | ||
| document.body.appendChild(video); | ||
| shouldHideVideo = true; | ||
| } | ||
| requestAnimationFrame(() => { | ||
| // Checking in requestAnimationFrame which should avoid a potential additional re-flow for getComputedStyle. | ||
| const computedStyle = window.getComputedStyle(video); | ||
| if (computedStyle.display === 'none') { | ||
| video.style.setProperty('display', 'block', 'important'); | ||
| shouldHideVideo = true; | ||
| } | ||
| if (computedStyle.visibility !== 'visible') { | ||
| video.style.setProperty('visibility', 'visible', 'important'); | ||
| shouldHideVideo = true; | ||
| } | ||
| if (shouldHideVideo) { | ||
| // Hide the video in a way that doesn't cause Safari to stop the playback. | ||
| console.warn('QrScanner has overwritten the video hiding style to avoid Safari stopping the playback.'); | ||
| video.style.opacity = 0; | ||
| video.style.width = 0; | ||
| video.style.height = 0; | ||
| } | ||
| }); | ||
| video.addEventListener('play', this._onPlay); | ||
| video.addEventListener('loadedmetadata', this._onLoadedMetaData); | ||
| document.addEventListener('visibilitychange', this._onVisibilityChange); | ||
@@ -69,19 +132,21 @@ | ||
| hasFlash() { | ||
| if (!('ImageCapture' in window)) { | ||
| return Promise.resolve(false); | ||
| } | ||
| const track = this.$video.srcObject ? this.$video.srcObject.getVideoTracks()[0] : null; | ||
| if (!track) { | ||
| return Promise.reject('Camera not started or not available'); | ||
| } | ||
| const imageCapture = new ImageCapture(track); | ||
| return imageCapture.getPhotoCapabilities() | ||
| .then((result) => { | ||
| return result.fillLightMode.includes('flash'); | ||
| let openedStream = null; | ||
| return (this.$video.srcObject | ||
| ? Promise.resolve(this.$video.srcObject.getVideoTracks()[0]) | ||
| : this._getCameraStream().then(({ stream }) => { | ||
| console.warn('Call hasFlash after successfully starting the scanner to avoid creating ' | ||
| + 'a temporary video stream'); | ||
| openedStream = stream; | ||
| return stream.getVideoTracks()[0]; | ||
| }) | ||
| .catch((error) => { | ||
| console.warn(error); | ||
| return false; | ||
| ) | ||
| .then((track) => 'torch' in track.getSettings()) | ||
| .catch(() => false) | ||
| .finally(() => { | ||
| // close the stream we just opened for detecting whether it supports flash | ||
| if (!openedStream) return; | ||
| for (const track of openedStream.getTracks()) { | ||
| track.stop(); | ||
| openedStream.removeTrack(track); | ||
| } | ||
| }); | ||
@@ -96,17 +161,38 @@ } | ||
| toggleFlash() { | ||
| return this._setFlash(!this._flashOn); | ||
| if (this._flashOn) { | ||
| return this.turnFlashOff(); | ||
| } else { | ||
| return this.turnFlashOn(); | ||
| } | ||
| } | ||
| /* async */ | ||
| turnFlashOff() { | ||
| return this._setFlash(false); | ||
| turnFlashOn() { | ||
| if (this._flashOn) return Promise.resolve(); | ||
| this._flashOn = true; | ||
| if (!this._active || this._paused) return Promise.resolve(); // flash will be turned on later on .start() | ||
| return this.hasFlash().then((hasFlash) => { | ||
| if (!hasFlash) return Promise.reject('No flash available'); | ||
| // Note that the video track is guaranteed to exist at this point | ||
| return this.$video.srcObject.getVideoTracks()[0].applyConstraints({ | ||
| advanced: [{ torch: true }], | ||
| }); | ||
| }).catch(() => { | ||
| this._flashOn = false; | ||
| throw e; | ||
| }); | ||
| } | ||
| /* async */ | ||
| turnFlashOn() { | ||
| return this._setFlash(true); | ||
| turnFlashOff() { | ||
| if (!this._flashOn) return; | ||
| // applyConstraints with torch: false does not work to turn the flashlight off, as a stream's torch stays | ||
| // continuously on, see https://developer.mozilla.org/en-US/docs/Web/API/MediaTrackConstraints#torch. Therefore, | ||
| // we have to stop the stream to turn the flashlight off. | ||
| this._flashOn = false; | ||
| return this._restartVideoStream(); | ||
| } | ||
| destroy() { | ||
| this.$video.removeEventListener('loadedmetadata', this._updateSourceRect); | ||
| this.$video.removeEventListener('loadedmetadata', this._onLoadedMetaData); | ||
| this.$video.removeEventListener('play', this._onPlay); | ||
@@ -129,3 +215,2 @@ document.removeEventListener('visibilitychange', this._onVisibilityChange); | ||
| this._active = true; | ||
| this._paused = false; | ||
| if (document.hidden) { | ||
@@ -135,4 +220,3 @@ // camera will be started as soon as tab is in foreground | ||
| } | ||
| clearTimeout(this._offTimeout); | ||
| this._offTimeout = null; | ||
| this._paused = false; | ||
| if (this.$video.srcObject) { | ||
@@ -144,16 +228,13 @@ // camera stream already/still set | ||
| let facingMode = this._preferredFacingMode; | ||
| return this._getCameraStream(facingMode, true) | ||
| .catch(() => { | ||
| // We (probably) don't have a camera of the requested facing mode | ||
| facingMode = facingMode === 'environment' ? 'user' : 'environment'; | ||
| return this._getCameraStream(); // throws if camera is not accessible (e.g. due to not https) | ||
| }) | ||
| .then(stream => { | ||
| // Try to determine the facing mode from the stream, otherwise use our guess. Note that the guess is not | ||
| // always accurate as Safari returns cameras of different facing mode, even for exact constraints. | ||
| facingMode = this._getFacingMode(stream) || facingMode; | ||
| return this._getCameraStream() | ||
| .then(({ stream, facingMode }) => { | ||
| this.$video.srcObject = stream; | ||
| this.$video.play(); | ||
| this._setVideoMirror(facingMode); | ||
| // Restart the flash if it was previously on | ||
| if (this._flashOn) { | ||
| this._flashOn = false; // force turnFlashOn to restart the flash | ||
| this.turnFlashOn().catch(() => {}); | ||
| } | ||
| }) | ||
@@ -171,24 +252,43 @@ .catch(e => { | ||
| pause() { | ||
| /* async */ | ||
| pause(stopStreamImmediately = false) { | ||
| this._paused = true; | ||
| if (!this._active) { | ||
| return; | ||
| return Promise.resolve(true); | ||
| } | ||
| this.$video.pause(); | ||
| if (this._offTimeout) { | ||
| return; | ||
| } | ||
| this._offTimeout = setTimeout(() => { | ||
| const stopStream = () => { | ||
| const tracks = this.$video.srcObject ? this.$video.srcObject.getTracks() : []; | ||
| for (const track of tracks) { | ||
| track.stop(); // note that this will also automatically turn the flashlight off | ||
| this.$video.srcObject.removeTrack(track); | ||
| } | ||
| this.$video.srcObject = null; | ||
| this._offTimeout = null; | ||
| }, 300); | ||
| }; | ||
| if (stopStreamImmediately) { | ||
| stopStream(); | ||
| return Promise.resolve(true); | ||
| } | ||
| return new Promise((resolve) => setTimeout(resolve, 300)) | ||
| .then(() => { | ||
| if (!this._paused) return false; | ||
| stopStream(); | ||
| return true; | ||
| }); | ||
| } | ||
| /* async */ | ||
| static scanImage(imageOrFileOrUrl, sourceRect=null, qrEngine=null, canvas=null, fixedCanvasSize=false, | ||
| alsoTryWithoutSourceRect=false) { | ||
| setCamera(facingModeOrDeviceId) { | ||
| if (facingModeOrDeviceId === this._preferredCamera) return Promise.resolve(); | ||
| this._preferredCamera = facingModeOrDeviceId; | ||
| // Restart the scanner with the new camera which will also update the video mirror and the scan region. | ||
| return this._restartVideoStream(); | ||
| } | ||
| /* async */ | ||
| static scanImage(imageOrFileOrUrl, scanRegion=null, qrEngine=null, canvas=null, disallowCanvasResizing=false, | ||
| alsoTryWithoutScanRegion=false) { | ||
| const gotExternalWorker = qrEngine instanceof Worker; | ||
@@ -202,3 +302,3 @@ | ||
| let canvasContext; | ||
| [canvas, canvasContext] = this._drawToCanvas(image, sourceRect, canvas, fixedCanvasSize); | ||
| [canvas, canvasContext] = this._drawToCanvas(image, scanRegion, canvas, disallowCanvasResizing); | ||
@@ -255,4 +355,5 @@ if (qrEngine instanceof Worker) { | ||
| if (sourceRect && alsoTryWithoutSourceRect) { | ||
| promise = promise.catch(() => QrScanner.scanImage(imageOrFileOrUrl, null, qrEngine, canvas, fixedCanvasSize)); | ||
| if (scanRegion && alsoTryWithoutScanRegion) { | ||
| promise = promise.catch(() => | ||
| QrScanner.scanImage(imageOrFileOrUrl, null, qrEngine, canvas, disallowCanvasResizing)); | ||
| } | ||
@@ -286,3 +387,6 @@ | ||
| static createQrEngine(workerPath = QrScanner.WORKER_PATH) { | ||
| return ('BarcodeDetector' in window ? BarcodeDetector.getSupportedFormats() : Promise.resolve([])) | ||
| return ('BarcodeDetector' in window && BarcodeDetector.getSupportedFormats | ||
| ? BarcodeDetector.getSupportedFormats() | ||
| : Promise.resolve([]) | ||
| ) | ||
| .then((supportedFormats) => supportedFormats.indexOf('qr_code') !== -1 | ||
@@ -295,6 +399,10 @@ ? new BarcodeDetector({ formats: ['qr_code'] }) | ||
| _onPlay() { | ||
| this._updateSourceRect(); | ||
| this._scanRegion = this._calculateScanRegion(this.$video); | ||
| this._scanFrame(); | ||
| } | ||
| _onLoadedMetaData() { | ||
| this._scanRegion = this._calculateScanRegion(this.$video); | ||
| } | ||
| _onVisibilityChange() { | ||
@@ -308,8 +416,14 @@ if (document.hidden) { | ||
| _updateSourceRect() { | ||
| const smallestDimension = Math.min(this.$video.videoWidth, this.$video.videoHeight); | ||
| const sourceRectSize = Math.round(2 / 3 * smallestDimension); | ||
| this._sourceRect.width = this._sourceRect.height = sourceRectSize; | ||
| this._sourceRect.x = (this.$video.videoWidth - sourceRectSize) / 2; | ||
| this._sourceRect.y = (this.$video.videoHeight - sourceRectSize) / 2; | ||
| _calculateScanRegion(video) { | ||
| // Default scan region calculation. Note that this can be overwritten in the constructor. | ||
| const smallestDimension = Math.min(video.videoWidth, video.videoHeight); | ||
| const scanRegionSize = Math.round(2 / 3 * smallestDimension); | ||
| return { | ||
| x: Math.round((video.videoWidth - scanRegionSize) / 2), | ||
| y: Math.round((video.videoHeight - scanRegionSize) / 2), | ||
| width: scanRegionSize, | ||
| height: scanRegionSize, | ||
| downScaledWidth: this._legacyCanvasSize, | ||
| downScaledHeight: this._legacyCanvasSize, | ||
| }; | ||
| } | ||
@@ -330,3 +444,3 @@ | ||
| this._qrEnginePromise | ||
| .then((qrEngine) => QrScanner.scanImage(this.$video, this._sourceRect, qrEngine, this.$canvas, true)) | ||
| .then((qrEngine) => QrScanner.scanImage(this.$video, this._scanRegion, qrEngine, this.$canvas)) | ||
| .then(this._onDecode, (error) => { | ||
@@ -351,4 +465,12 @@ if (!this._active) return; | ||
| _getCameraStream(facingMode, exact = false) { | ||
| const constraintsToTry = [{ | ||
| /* async */ | ||
| _getCameraStream() { | ||
| if (!navigator.mediaDevices) { | ||
| return Promise.reject('Camera not found.'); | ||
| } | ||
| const preferenceType = this._preferredCamera === 'environment' || this._preferredCamera === 'user' | ||
| ? 'facingMode' | ||
| : 'deviceId'; | ||
| const constraintsWithoutCamera = [{ | ||
| width: { min: 1024 } | ||
@@ -358,30 +480,38 @@ }, { | ||
| }, {}]; | ||
| const constraintsWithCamera = constraintsWithoutCamera.map((constraint) => Object.assign({}, constraint, { | ||
| [preferenceType]: { exact: this._preferredCamera }, | ||
| })); | ||
| if (facingMode) { | ||
| if (exact) { | ||
| facingMode = { exact: facingMode }; | ||
| } | ||
| constraintsToTry.forEach(constraint => constraint.facingMode = facingMode); | ||
| } | ||
| return this._getMatchingCameraStream(constraintsToTry); | ||
| // First try constraints with camera, then without camera. Using reduceRight as the Promise is build in a | ||
| // bottom up fashion. | ||
| return [...constraintsWithCamera, ...constraintsWithoutCamera].reduceRight((fallback, constraint) => | ||
| () => navigator.mediaDevices.getUserMedia({ video: constraint, audio: false }) | ||
| .then((stream) => ({ | ||
| stream, | ||
| // Try to determine the facing mode from the stream, otherwise use a guess or 'environment' as | ||
| // default. Note that the guess is not always accurate as Safari returns cameras of different facing | ||
| // mode, even for exact facingMode constraints. | ||
| facingMode: this._getFacingMode(stream) | ||
| || (constraint.facingMode | ||
| ? this._preferredCamera // _preferredCamera is a facing mode and we are able to fulfill it | ||
| : (this._preferredCamera === 'environment' | ||
| ? 'user' // switch as _preferredCamera was environment but we are not able to fulfill it | ||
| : 'environment' // switch from unfulfilled user facingMode or default to environment | ||
| ) | ||
| ), | ||
| })) | ||
| .catch(fallback), | ||
| () => Promise.reject('Camera not found.') | ||
| )(); | ||
| } | ||
| _getMatchingCameraStream(constraintsToTry) { | ||
| if (!navigator.mediaDevices || constraintsToTry.length === 0) { | ||
| return Promise.reject('Camera not found.'); | ||
| } | ||
| return navigator.mediaDevices.getUserMedia({ | ||
| video: constraintsToTry.shift() | ||
| }).catch(() => this._getMatchingCameraStream(constraintsToTry)); | ||
| } | ||
| /* async */ | ||
| _setFlash(on) { | ||
| return this.hasFlash().then((hasFlash) => { | ||
| if (!hasFlash) return Promise.reject('No flash available'); | ||
| // Note that the video track is guaranteed to exist at this point | ||
| return this.$video.srcObject.getVideoTracks()[0].applyConstraints({ | ||
| advanced: [{ torch: on }], | ||
| }); | ||
| }).then(() => this._flashOn = on); | ||
| _restartVideoStream() { | ||
| // Note that we always pause the stream and not only if !this._paused as even if this._paused === true, the | ||
| // stream might still be running, as it's by default only stopped after a delay of 300ms. | ||
| const wasPaused = this._paused; | ||
| return this.pause(true).then((paused) => { | ||
| if (!paused || wasPaused || !this._active) return; | ||
| return this.start(); | ||
| }); | ||
| } | ||
@@ -406,15 +536,33 @@ | ||
| static _drawToCanvas(image, sourceRect=null, canvas=null, fixedCanvasSize=false) { | ||
| static _drawToCanvas(image, scanRegion=null, canvas=null, disallowCanvasResizing=false) { | ||
| canvas = canvas || document.createElement('canvas'); | ||
| const sourceRectX = sourceRect && sourceRect.x? sourceRect.x : 0; | ||
| const sourceRectY = sourceRect && sourceRect.y? sourceRect.y : 0; | ||
| const sourceRectWidth = sourceRect && sourceRect.width? sourceRect.width : image.width || image.videoWidth; | ||
| const sourceRectHeight = sourceRect && sourceRect.height? sourceRect.height : image.height || image.videoHeight; | ||
| if (!fixedCanvasSize && (canvas.width !== sourceRectWidth || canvas.height !== sourceRectHeight)) { | ||
| canvas.width = sourceRectWidth; | ||
| canvas.height = sourceRectHeight; | ||
| const scanRegionX = scanRegion && scanRegion.x? scanRegion.x : 0; | ||
| const scanRegionY = scanRegion && scanRegion.y? scanRegion.y : 0; | ||
| const scanRegionWidth = scanRegion && scanRegion.width? scanRegion.width : image.width || image.videoWidth; | ||
| const scanRegionHeight = scanRegion && scanRegion.height? scanRegion.height : image.height || image.videoHeight; | ||
| if (!disallowCanvasResizing) { | ||
| const canvasWidth = scanRegion && scanRegion.downScaledWidth | ||
| ? scanRegion.downScaledWidth | ||
| : scanRegionWidth; | ||
| const canvasHeight = scanRegion && scanRegion.downScaledHeight | ||
| ? scanRegion.downScaledHeight | ||
| : scanRegionHeight; | ||
| // Setting the canvas width or height clears the canvas, even if the values didn't change, therefore only | ||
| // set them if they actually changed. | ||
| if (canvas.width !== canvasWidth) { | ||
| canvas.width = canvasWidth; | ||
| } | ||
| if (canvas.height !== canvasHeight) { | ||
| canvas.height = canvasHeight; | ||
| } | ||
| } | ||
| const context = canvas.getContext('2d', { alpha: false }); | ||
| context.imageSmoothingEnabled = false; // gives less blurry images | ||
| context.drawImage(image, sourceRectX, sourceRectY, sourceRectWidth, sourceRectHeight, 0, 0, canvas.width, canvas.height); | ||
| context.drawImage( | ||
| image, | ||
| scanRegionX, scanRegionY, scanRegionWidth, scanRegionHeight, | ||
| 0, 0, canvas.width, canvas.height | ||
| ); | ||
| return [canvas, context]; | ||
@@ -421,0 +569,0 @@ } |
@@ -12,2 +12,4 @@ // Type definitions for qr-scanner | ||
| static listCameras(requestLabels: boolean): Promise<Array<QrScanner.Camera>>; | ||
| constructor( | ||
@@ -17,4 +19,12 @@ video: HTMLVideoElement, | ||
| onDecodeError?: (error: string) => void, | ||
| calculateScanRegion?: (video: HTMLVideoElement) => QrScanner.ScanRegion, | ||
| preferredCamera?: 'environment' | 'user' | QrScanner.DeviceId, | ||
| ); | ||
| /** @deprecated */ | ||
| constructor( | ||
| video: HTMLVideoElement, | ||
| onDecode: (result: string) => void, | ||
| onDecodeError?: (error: string) => void, | ||
| canvasSize?: number, | ||
| preferredFacingMode?: 'environment' | 'user', | ||
| preferredCamera?: 'environment' | 'user' | QrScanner.DeviceId, | ||
| ); | ||
@@ -32,3 +42,4 @@ /** @deprecated */ | ||
| stop(): void; | ||
| pause(): void; | ||
| pause(stopStreamImmediately?: boolean): Promise<boolean>; | ||
| setCamera(facingModeOrDeviceId: 'environment' | 'user' | QrScanner.DeviceId): Promise<void>; | ||
| setGrayscaleWeights(red: number, green: number, blue: number, useIntegerApproximation?: boolean): void; | ||
@@ -38,9 +49,9 @@ setInversionMode(inversionMode: QrScanner.InversionMode): void; | ||
| imageOrFileOrUrl: HTMLCanvasElement | HTMLVideoElement | ImageBitmap | HTMLImageElement | File | URL | String, | ||
| sourceRect?: QrScanner.SourceRect | null, | ||
| scanRegion?: QrScanner.ScanRegion | null, | ||
| worker?: Worker | null, | ||
| canvas?: HTMLCanvasElement | null, | ||
| fixedCanvasSize?: boolean, | ||
| alsoTryWithoutSourceRect?: boolean | ||
| disallowCanvasResizing?: boolean, | ||
| alsoTryWithoutScanRegion?: boolean | ||
| ): Promise<string>; | ||
| static createQrEnginge(workerPath?: string): Promise<Worker | BarcodeDetector>; | ||
| static createQrEngine(workerPath?: string): Promise<Worker | BarcodeDetector>; | ||
| } | ||
@@ -57,3 +68,3 @@ | ||
| declare namespace QrScanner { | ||
| export interface SourceRect { | ||
| export interface ScanRegion { | ||
| x?: number; | ||
@@ -63,4 +74,13 @@ y?: number; | ||
| height?: number; | ||
| downScaledWidth?: number; | ||
| downScaledHeight?: number; | ||
| } | ||
| export type DeviceId = string; | ||
| export interface Camera { | ||
| id: DeviceId; | ||
| label: string; | ||
| } | ||
| export type InversionMode = 'original' | 'invert' | 'both'; | ||
@@ -67,0 +87,0 @@ } |
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