chunk-3PCK7LD3.js

import{a as Pe,b as Ge}from"./chunk-UUQFVPTG.js";import{a as He,b as Oe}from"./chunk-6GLW2PNA.js";import{c as Me}from"./chunk-FIRHRBIN.js";import"./chunk-IODZHREK.js";import{a as Q,b as re,d as de}from"./chunk-E4FB6IMX.js";import{a as Te}from"./chunk-ENUDN6ZE.js";import{f as ee,g as te,i as M,j as Le}from"./chunk-MVBTB2OL.js";import"./chunk-QH77Q77Q.js";import{B as ke,Gb as J,Hc as oe,Ib as ne,Jb as ie,Rb as P,Tb as Qe}from"./chunk-SBXTKZGS.js";import{Aa as we,Ab as Ne,Ba as v,Ca as b,Da as W,Db as he,Ea as X,Fb as S,Fd as qe,Hb as Ie,La as Be,Na as ve,Ob as j,Sa as be,Tb as e,Tc as De,Ub as n,Vb as f,Yc as ye,Zb as $,Zc as fe,_ as xe,ac as I,cc as _,f as Se,ga as U,jc as y,kb as g,kc as q,la as Fe,lb as Y,lc as k,nc as t,oc as K,qa as B,ra as Z,wc as Re,xc as Ae}from"./chunk-WVUROUXZ.js";import"./chunk-RKLIRILV.js";var ot=["canvas"];function rt(l,d){l&1&&f(0,"nz-spin")}function dt(l,d){if(l&1){let h=$();e(0,"div")(1,"p",2),t(2),n(),e(3,"button",3),I("click",function(){W(h);let 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z=1e9;for(let F=0;F<8;F++){this.applyMask(F),this.drawFormatBits(F);let x=this.getPenaltyScore();x<z&&(s=F,z=x),this.applyMask(F)}}a(s>=0&&s<=7),this.mask=s,this.applyMask(s),this.drawFormatBits(s),this.isFunction=[]}getModule(i,r){return i>=0&&i<this.size&&r>=0&&r<this.size&&this.modules[r][i]}getModules(){return this.modules}drawFunctionPatterns(){for(let o=0;o<this.size;o++)this.setFunctionModule(6,o,o%2==0),this.setFunctionModule(o,6,o%2==0);this.drawFinderPattern(3,3),this.drawFinderPattern(this.size-4,3),this.drawFinderPattern(3,this.size-4);let i=this.getAlignmentPatternPositions(),r=i.length;for(let o=0;o<r;o++)for(let s=0;s<r;s++)o==0&&s==0||o==0&&s==r-1||o==r-1&&s==0||this.drawAlignmentPattern(i[o],i[s]);this.drawFormatBits(0),this.drawVersion()}drawFormatBits(i){let r=this.errorCorrectionLevel.formatBits<<3|i,o=r;for(let u=0;u<10;u++)o=o<<1^(o>>>9)*1335;let s=(r<<10|o)^21522;a(s>>>15==0);for(let u=0;u<=5;u++)this.setFunctionModule(8,u,c(s,u));this.setFunctionModule(8,7,c(s,6)),this.setFunctionModule(8,8,c(s,7)),this.setFunctionModule(7,8,c(s,8));for(let u=9;u<15;u++)this.setFunctionModule(14-u,8,c(s,u));for(let u=0;u<8;u++)this.setFunctionModule(this.size-1-u,8,c(s,u));for(let u=8;u<15;u++)this.setFunctionModule(8,this.size-15+u,c(s,u));this.setFunctionModule(8,this.size-8,!0)}drawVersion(){if(this.version<7)return;let i=this.version;for(let o=0;o<12;o++)i=i<<1^(i>>>11)*7973;let r=this.version<<12|i;a(r>>>18==0);for(let o=0;o<18;o++){let s=c(r,o),u=this.size-11+o%3,C=Math.floor(o/3);this.setFunctionModule(u,C,s),this.setFunctionModule(C,u,s)}}drawFinderPattern(i,r){for(let o=-4;o<=4;o++)for(let s=-4;s<=4;s++){let u=Math.max(Math.abs(s),Math.abs(o)),C=i+s,z=r+o;C>=0&&C<this.size&&z>=0&&z<this.size&&this.setFunctionModule(C,z,u!=2&&u!=4)}}drawAlignmentPattern(i,r){for(let o=-2;o<=2;o++)for(let s=-2;s<=2;s++)this.setFunctionModule(i+s,r+o,Math.max(Math.abs(s),Math.abs(o))!=1)}setFunctionModule(i,r,o){this.modules[r][i]=o,this.isFunction[r][i]=!0}addEccAndInterleave(i){let r=this.version,o=this.errorCorrectionLevel;if(i.length!=m.getNumDataCodewords(r,o))throw new RangeError("Invalid argument");let s=m.NUM_ERROR_CORRECTION_BLOCKS[o.ordinal][r],u=m.ECC_CODEWORDS_PER_BLOCK[o.ordinal][r],C=Math.floor(m.getNumRawDataModules(r)/8),z=s-C%s,F=Math.floor(C/s),x=[],G=m.reedSolomonComputeDivisor(u);for(let w=0,R=0;w<s;w++){let O=i.slice(R,R+F-u+(w<z?0:1));R+=O.length;let nt=m.reedSolomonComputeRemainder(O,G);w<z&&O.push(0),x.push(O.concat(nt))}let D=[];for(let w=0;w<x[0].length;w++)x.forEach((R,O)=>{(w!=F-u||O>=z)&&D.push(R[w])});return a(D.length==C),D}drawCodewords(i){if(i.length!=Math.floor(m.getNumRawDataModules(this.version)/8))throw new RangeError("Invalid argument");let r=0;for(let o=this.size-1;o>=1;o-=2){o==6&&(o=5);for(let s=0;s<this.size;s++)for(let u=0;u<2;u++){let C=o-u,F=(o+1&2)==0?this.size-1-s:s;!this.isFunction[F][C]&&r<i.length*8&&(this.modules[F][C]=c(i[r>>>3],7-(r&7)),r++)}}a(r==i.length*8)}applyMask(i){if(i<0||i>7)throw new RangeError("Mask value out of range");for(let r=0;r<this.size;r++)for(let o=0;o<this.size;o++){let s;switch(i){case 0:s=(o+r)%2==0;break;case 1:s=r%2==0;break;case 2:s=o%3==0;break;case 3:s=(o+r)%3==0;break;case 4:s=(Math.floor(o/3)+Math.floor(r/2))%2==0;break;case 5:s=o*r%2+o*r%3==0;break;case 6:s=(o*r%2+o*r%3)%2==0;break;case 7:s=((o+r)%2+o*r%3)%2==0;break;default:throw new Error("Unreachable")}!this.isFunction[r][o]&&s&&(this.modules[r][o]=!this.modules[r][o])}}getPenaltyScore(){let i=0;for(let u=0;u<this.size;u++){let C=!1,z=0,F=[0,0,0,0,0,0,0];for(let x=0;x<this.size;x++)this.modules[u][x]==C?(z++,z==5?i+=m.PENALTY_N1:z>5&&i++):(this.finderPenaltyAddHistory(z,F),C||(i+=this.finderPenaltyCountPatterns(F)*m.PENALTY_N3),C=this.modules[u][x],z=1);i+=this.finderPenaltyTerminateAndCount(C,z,F)*m.PENALTY_N3}for(let u=0;u<this.size;u++){let C=!1,z=0,F=[0,0,0,0,0,0,0];for(let x=0;x<this.size;x++)this.modules[x][u]==C?(z++,z==5?i+=m.PENALTY_N1:z>5&&i++):(this.finderPenaltyAddHistory(z,F),C||(i+=this.finderPenaltyCountPatterns(F)*m.PENALTY_N3),C=this.modules[x][u],z=1);i+=this.finderPenaltyTerminateAndCount(C,z,F)*m.PENALTY_N3}for(let u=0;u<this.size-1;u++)for(let C=0;C<this.size-1;C++){let z=this.modules[u][C];z==this.modules[u][C+1]&&z==this.modules[u+1][C]&&z==this.modules[u+1][C+1]&&(i+=m.PENALTY_N2)}let r=0;for(let u of this.modules)r=u.reduce((C,z)=>C+(z?1:0),r);let o=this.size*this.size,s=Math.ceil(Math.abs(r*20-o*10)/o)-1;return a(s>=0&&s<=9),i+=s*m.PENALTY_N4,a(i>=0&&i<=2568888),i}getAlignmentPatternPositions(){if(this.version==1)return[];{let i=Math.floor(this.version/7)+2,r=this.version==32?26:Math.ceil((this.version*4+4)/(i*2-2))*2,o=[6];for(let s=this.size-7;o.length<i;s-=r)o.splice(1,0,s);return o}}static getNumRawDataModules(i){if(i<m.MIN_VERSION||i>m.MAX_VERSION)throw new RangeError("Version number out of range");let r=(16*i+128)*i+64;if(i>=2){let o=Math.floor(i/7)+2;r-=(25*o-10)*o-55,i>=7&&(r-=36)}return a(r>=208&&r<=29648),r}static getNumDataCodewords(i,r){return Math.floor(m.getNumRawDataModules(i)/8)-m.ECC_CODEWORDS_PER_BLOCK[r.ordinal][i]*m.NUM_ERROR_CORRECTION_BLOCKS[r.ordinal][i]}static reedSolomonComputeDivisor(i){if(i<1||i>255)throw new RangeError("Degree out of range");let r=[];for(let s=0;s<i-1;s++)r.push(0);r.push(1);let o=1;for(let s=0;s<i;s++){for(let u=0;u<r.length;u++)r[u]=m.reedSolomonMultiply(r[u],o),u+1<r.length&&(r[u]^=r[u+1]);o=m.reedSolomonMultiply(o,2)}return r}static reedSolomonComputeRemainder(i,r){let o=r.map(s=>0);for(let s of i){let u=s^o.shift();o.push(0),r.forEach((C,z)=>o[z]^=m.reedSolomonMultiply(C,u))}return o}static reedSolomonMultiply(i,r){if(i>>>8||r>>>8)throw new RangeError("Byte out of range");let o=0;for(let s=7;s>=0;s--)o=o<<1^(o>>>7)*285,o^=(r>>>s&1)*i;return a(o>>>8==0),o}finderPenaltyCountPatterns(i){let r=i[1];a(r<=this.size*3);let o=r>0&&i[2]==r&&i[3]==r*3&&i[4]==r&&i[5]==r;return(o&&i[0]>=r*4&&i[6]>=r?1:0)+(o&&i[6]>=r*4&&i[0]>=r?1:0)}finderPenaltyTerminateAndCount(i,r,o){return i&&(this.finderPenaltyAddHistory(r,o),r=0),r+=this.size,this.finderPenaltyAddHistory(r,o),this.finderPenaltyCountPatterns(o)}finderPenaltyAddHistory(i,r){r[0]==0&&(i+=this.size),r.pop(),r.unshift(i)}};m.MIN_VERSION=1,m.MAX_VERSION=40,m.PENALTY_N1=3,m.PENALTY_N2=3,m.PENALTY_N3=40,m.PENALTY_N4=10,m.ECC_CODEWORDS_PER_BLOCK=[[-1,7,10,15,20,26,18,20,24,30,18,20,24,26,30,22,24,28,30,28,28,28,28,30,30,26,28,30,30,30,30,30,30,30,30,30,30,30,30,30,30],[-1,10,16,26,18,24,16,18,22,22,26,30,22,22,24,24,28,28,26,26,26,26,28,28,28,28,28,28,28,28,28,28,28,28,28,28,28,28,28,28,28],[-1,13,22,18,26,18,24,18,22,20,24,28,26,24,20,30,24,28,28,26,30,28,30,30,30,30,28,30,30,30,30,30,30,30,30,30,30,30,30,30,30],[-1,17,28,22,16,22,28,26,26,24,28,24,28,22,24,24,30,28,28,26,28,30,24,30,30,30,30,30,30,30,30,30,30,30,30,30,30,30,30,30,30]],m.NUM_ERROR_CORRECTION_BLOCKS=[[-1,1,1,1,1,1,2,2,2,2,4,4,4,4,4,6,6,6,6,7,8,8,9,9,10,12,12,12,13,14,15,16,17,18,19,19,20,21,22,24,25],[-1,1,1,1,2,2,4,4,4,5,5,5,8,9,9,10,10,11,13,14,16,17,17,18,20,21,23,25,26,28,29,31,33,35,37,38,40,43,45,47,49],[-1,1,1,2,2,4,4,6,6,8,8,8,10,12,16,12,17,16,18,21,20,23,23,25,27,29,34,34,35,38,40,43,45,48,51,53,56,59,62,65,68],[-1,1,1,2,4,4,4,5,6,8,8,11,11,16,16,18,16,19,21,25,25,25,34,30,32,35,37,40,42,45,48,51,54,57,60,63,66,70,74,77,81]];let 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upper limit will be lowered.`),n(),e(285,"h3",48)(286,"span"),t(287,"QR Code error correction level"),n(),e(288,"a",49),t(289,"#"),n()(),e(290,"p"),t(291,`The ErrorLevel means that the QR code can be scanned normally after being blocked, and the maximum area that can be
blocked is the error correction rate.`),n(),e(292,"p"),t(293,"Generally, the QR code is divided into 4 error correction levels: Level "),e(294,"code"),t(295,"L"),n(),t(296," can correct about "),e(297,"code"),t(298,"7%"),n(),t(299," errors, Level "),e(300,"code"),t(301,"M"),n(),t(302,` can
correct about `),e(303,"code"),t(304,"15%"),n(),t(305," errors, Level "),e(306,"code"),t(307,"Q"),n(),t(308," can correct about "),e(309,"code"),t(310,"25%"),n(),t(311," errors, and Level "),e(312,"code"),t(313,"H"),n(),t(314," can correct about "),e(315,"code"),t(316,"30%"),n(),t(317,` errors. When
the content encoding of the QR code carries less information, in other words, when the value link is short, set
different error correction levels, and the generated image will not change.`),n(),e(318,"blockquote")(319,"p"),t(320,`For more information, see
the: `),e(321,"a",50),t(322,"https://www.qrcode.com/en/about/error_correction"),n()()(),v(),n()()),a&2&&(g(),S("nzOffsetTop",16),g(),S("nzAffix",!1),g(52),S("nzGutter",16),g(),S("nzXl",12)("nzSpan",24),g(),S("nzId","components-qr-code-demo-basic")("nzLink","components-qr-code-demo-basic")("nzIframeHeight",null)("nzHref","https://github.com/NG-ZORRO/ng-zorro-antd/edit/master/components/qr-code/demo/basic.md"),g(5),S("nzId","components-qr-code-demo-status")("nzLink","components-qr-code-demo-status")("nzIframeHeight",null)("nzHref","https://github.com/NG-ZORRO/ng-zorro-antd/edit/master/components/qr-code/demo/status.md"),g(20),S("nzId","components-qr-code-demo-color")("nzLink","components-qr-code-demo-color")("nzIframeHeight",null)("nzHref","https://github.com/NG-ZORRO/ng-zorro-antd/edit/master/components/qr-code/demo/color.md"),g(5),S("nzId","components-qr-code-demo-error-level")("nzLink","components-qr-code-demo-error-level")("nzIframeHeight",null)("nzHref","https://github.com/NG-ZORRO/ng-zorro-antd/edit/master/components/qr-code/demo/error-level.md"),g(5),S("nzXl",12)("nzSpan",24),g(),S("nzId","components-qr-code-demo-icon")("nzLink","components-qr-code-demo-icon")("nzIframeHeight",null)("nzHref","https://github.com/NG-ZORRO/ng-zorro-antd/edit/master/components/qr-code/demo/icon.md"),g(5),S("nzId","components-qr-code-demo-padding")("nzLink","components-qr-code-demo-padding")("nzIframeHeight",null)("nzHref","https://github.com/NG-ZORRO/ng-zorro-antd/edit/master/components/qr-code/demo/padding.md"),g(5),S("nzId","components-qr-code-demo-background")("nzLink","components-qr-code-demo-background")("nzIframeHeight",null)("nzHref","https://github.com/NG-ZORRO/ng-zorro-antd/edit/master/components/qr-code/demo/background.md"),g(5),S("nzId","components-qr-code-demo-download")("nzLink","components-qr-code-demo-download")("nzIframeHeight",null)("nzHref","https://github.com/NG-ZORRO/ng-zorro-antd/edit/master/components/qr-code/demo/download.md"))},dependencies:[M,ee,te,J,ie,ne,oe,P,Q,ae,le,me,se,ce,ue,pe,ze],encapsulation:2});let l=d;return l})();var xn=(()=>{let d=class d{};d.\u0275fac=function(a){return new(a||d)},d.\u0275mod=Z({type:d}),d.\u0275inj=U({imports:[Le,Ue,ke.forChild([{path:"en",component:tt},{path:"zh",component:et}])]});let l=d;return l})();export{xn as NzDemoQrCodeModule};