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H5_module
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uni_modules
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Sansnn-uQRCode
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js_sdk
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uqrcode
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uqrcode.js

uqrcode.js 33 KB
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  1. //---------------------------------------------------------------------
    2. 

  2. // uQRCode二维码生成插件 v4.0.0
    3. 

  3. // 
    4. 

  4. // uQRCode是一款基于Javascript环境开发的二维码生成插件，适用所有Javascript运行环境的前端应用和Node.js。
    5. 

  5. // 
    6. 

  6. // Copyright (c) Sansnn uQRCode All rights reserved.
    7. 

  7. // 
    8. 

  8. // Licensed under the Apache License, Version 2.0.
    9. 

  9. //   http://www.apache.org/licenses/LICENSE-2.0
    10. 

  10. // 
    11. 

  11. // github地址：
    12. 

  12. //   https://github.com/Sansnn/uQRCode
    13. 

  13. // 
    14. 

  14. // npm地址：
    15. 

  15. //   https://www.npmjs.com/package/uqrcodejs
    16. 

  16. // 
    17. 

  17. // uni-app插件市场地址：
    18. 

  18. //   https://ext.dcloud.net.cn/plugin?id=1287
    19. 

  19. // 
    20. 

  20. // 复制使用请保留本段注释，感谢支持开源！
    21. 

  21. // 
    22. 

  22. //---------------------------------------------------------------------
    23. 

  23. 

  24. //---------------------------------------------------------------------
    25. 

  25. // 当前文件格式为 es，将 bundle 保留为 ES 模块文件，适用于其他打包工具以及支持 <script type=module> 标签的浏览器（别名: esm，module）
    26. 

  26. // 如需在其他环境使用，请获取环境对应的格式文件
    27. 

  27. // 格式说明：
    28. 

  28. // amd - 异步模块定义，适用于 RequireJS 等模块加载器
    29. 

  29. // cjs - CommonJS，适用于 Node 环境和其他打包工具（别名：commonjs）
    30. 

  30. // es - 将 bundle 保留为 ES 模块文件，适用于其他打包工具以及支持 <script type=module> 标签的浏览器（别名: esm，module）
    31. 

  31. // umd - 通用模块定义，生成的包同时支持 amd、cjs 和 iife 三种格式
    32. 

  32. //---------------------------------------------------------------------
    33. 

  33. 

  34. function o(o){this.mode=r.MODE_8BIT_BYTE,this.data=o;}function e(o,e){this.typeNumber=o,this.errorCorrectLevel=e,this.modules=null,this.moduleCount=0,this.dataCache=null,this.dataList=new Array;}o.prototype={getLength:function(o){return this.data.length},write:function(o){for(var e=0;e<this.data.length;e++)o.put(this.data.charCodeAt(e),8);}},e.prototype={addData:function(e){var r=new o(e);this.dataList.push(r),this.dataCache=null;},isDark:function(o,e){if(o<0||this.moduleCount<=o||e<0||this.moduleCount<=e)throw new Error(o+","+e);return this.modules[o][e]},getModuleCount:function(){return this.moduleCount},make:function(){if(this.typeNumber<1){var o=1;for(o=1;o<40;o++){for(var e=p.getRSBlocks(o,this.errorCorrectLevel),r=new C,t=0,i=0;i<e.length;i++)t+=e[i].dataCount;for(i=0;i<this.dataList.length;i++){var n=this.dataList[i];r.put(n.mode,4),r.put(n.getLength(),l.getLengthInBits(n.mode,o)),n.write(r);}if(r.getLengthInBits()<=8*t)break}this.typeNumber=o;}this.makeImpl(!1,this.getBestMaskPattern());},makeImpl:function(o,r){this.moduleCount=4*this.typeNumber+17,this.modules=new Array(this.moduleCount);for(var t=0;t<this.moduleCount;t++){this.modules[t]=new Array(this.moduleCount);for(var i=0;i<this.moduleCount;i++)this.modules[t][i]=null;}this.setupPositionProbePattern(0,0),this.setupPositionProbePattern(this.moduleCount-7,0),this.setupPositionProbePattern(0,this.moduleCount-7),this.setupPositionAdjustPattern(),this.setupTimingPattern(),this.setupTypeInfo(o,r),this.typeNumber>=7&&this.setupTypeNumber(o),null==this.dataCache&&(this.dataCache=e.createData(this.typeNumber,this.errorCorrectLevel,this.dataList)),this.mapData(this.dataCache,r);},setupPositionProbePattern:function(o,e){for(var r=-1;r<=7;r++)if(!(o+r<=-1||this.moduleCount<=o+r))for(var t=-1;t<=7;t++)e+t<=-1||this.moduleCount<=e+t||(this.modules[o+r][e+t]=0<=r&&r<=6&&(0==t||6==t)||0<=t&&t<=6&&(0==r||6==r)||2<=r&&r<=4&&2<=t&&t<=4);},getBestMaskPattern:function(){for(var o=0,e=0,r=0;r<8;r++){this.makeImpl(!0,r);var t=l.getLostPoint(this);(0==r||o>t)&&(o=t,e=r);}return e},createMovieClip:function(o,e,r){var t=o.createEmptyMovieClip(e,r);this.make();for(var i=0;i<this.modules.length;i++)for(var n=1*i,a=0;a<this.modules[i].length;a++){var s=1*a;this.modules[i][a]&&(t.beginFill(0,100),t.moveTo(s,n),t.lineTo(s+1,n),t.lineTo(s+1,n+1),t.lineTo(s,n+1),t.endFill());}return t},setupTimingPattern:function(){for(var o=8;o<this.moduleCount-8;o++)null==this.modules[o][6]&&(this.modules[o][6]=o%2==0);for(var e=8;e<this.moduleCount-8;e++)null==this.modules[6][e]&&(this.modules[6][e]=e%2==0);},setupPositionAdjustPattern:function(){for(var o=l.getPatternPosition(this.typeNumber),e=0;e<o.length;e++)for(var r=0;r<o.length;r++){var t=o[e],i=o[r];if(null==this.modules[t][i])for(var n=-2;n<=2;n++)for(var a=-2;a<=2;a++)this.modules[t+n][i+a]=-2==n||2==n||-2==a||2==a||0==n&&0==a;}},setupTypeNumber:function(o){for(var e=l.getBCHTypeNumber(this.typeNumber),r=0;r<18;r++){var t=!o&&1==(e>>r&1);this.modules[Math.floor(r/3)][r%3+this.moduleCount-8-3]=t;}for(r=0;r<18;r++){t=!o&&1==(e>>r&1);this.modules[r%3+this.moduleCount-8-3][Math.floor(r/3)]=t;}},setupTypeInfo:function(o,e){for(var r=this.errorCorrectLevel<<3|e,t=l.getBCHTypeInfo(r),i=0;i<15;i++){var n=!o&&1==(t>>i&1);i<6?this.modules[i][8]=n:i<8?this.modules[i+1][8]=n:this.modules[this.moduleCount-15+i][8]=n;}for(i=0;i<15;i++){n=!o&&1==(t>>i&1);i<8?this.modules[8][this.moduleCount-i-1]=n:i<9?this.modules[8][15-i-1+1]=n:this.modules[8][15-i-1]=n;}this.modules[this.moduleCount-8][8]=!o;},mapData:function(o,e){for(var r=-1,t=this.moduleCount-1,i=7,n=0,a=this.moduleCount-1;a>0;a-=2)for(6==a&&a--;;){for(var s=0;s<2;s++)if(null==this.modules[t][a-s]){var u=!1;n<o.length&&(u=1==(o[n]>>>i&1)),l.getMask(e,t,a-s)&&(u=!u),this.modules[t][a-s]=u,-1==--i&&(n++,i=7);}if((t+=r)<0||this.moduleCount<=t){t-=r,r=-r;break}}}},e.PAD0=236,e.PAD1=17,e.createData=function(o,r,t){for(var i=p.getRSBlocks(o,r),n=new C,a=0;a<t.length;a++){var s=t[a];n.put(s.mode,4),n.put(s.getLength(),l.getLengthInBits(s.mode,o)),s.write(n);}var u=0;for(a=0;a<i.length;a++)u+=i[a].dataCount;if(n.getLengthInBits()>8*u)throw new Error("code length overflow. ("+n.getLengthInBits()+">"+8*u+")");for(n.getLengthInBits()+4<=8*u&&n.put(0,4);n.getLengthInBits()%8!=0;)n.putBit(!1);for(;!(n.getLengthInBits()>=8*u||(n.put(e.PAD0,8),n.getLengthInBits()>=8*u));)n.put(e.PAD1,8);return e.createBytes(n,i)},e.createBytes=function(o,e){for(var r=0,t=0,i=0,n=new Array(e.length),a=new Array(e.length),s=0;s<e.length;s++){var u=e[s].dataCount,d=e[s].totalCount-u;t=Math.max(t,u),i=Math.max(i,d),n[s]=new Array(u);for(var g=0;g<n[s].length;g++)n[s][g]=255&o.buffer[g+r];r+=u;var h=l.getErrorCorrectPolynomial(d),c=new f(n[s],h.getLength()-1).mod(h);a[s]=new Array(h.getLength()-1);for(g=0;g<a[s].length;g++){var m=g+c.getLength()-a[s].length;a[s][g]=m>=0?c.get(m):0;}}var p=0;for(g=0;g<e.length;g++)p+=e[g].totalCount;var C=new Array(p),b=0;for(g=0;g<t;g++)for(s=0;s<e.length;s++)g<n[s].length&&(C[b++]=n[s][g]);for(g=0;g<i;g++)for(s=0;s<e.length;s++)g<a[s].length&&(C[b++]=a[s][g]);return C};for(var r={MODE_NUMBER:1,MODE_ALPHA_NUM:2,MODE_8BIT_BYTE:4,MODE_KANJI:8},t={L:1,M:0,Q:3,H:2},i=0,n=1,a=2,s=3,u=4,d=5,g=6,h=7,l={PATTERN_POSITION_TABLE:[[],[6,18],[6,22],[6,26],[6,30],[6,34],[6,22,38],[6,24,42],[6,26,46],[6,28,50],[6,30,54],[6,32,58],[6,34,62],[6,26,46,66],[6,26,48,70],[6,26,50,74],[6,30,54,78],[6,30,56,82],[6,30,58,86],[6,34,62,90],[6,28,50,72,94],[6,26,50,74,98],[6,30,54,78,102],[6,28,54,80,106],[6,32,58,84,110],[6,30,58,86,114],[6,34,62,90,118],[6,26,50,74,98,122],[6,30,54,78,102,126],[6,26,52,78,104,130],[6,30,56,82,108,134],[6,34,60,86,112,138],[6,30,58,86,114,142],[6,34,62,90,118,146],[6,30,54,78,102,126,150],[6,24,50,76,102,128,154],[6,28,54,80,106,132,158],[6,32,58,84,110,136,162],[6,26,54,82,110,138,166],[6,30,58,86,114,142,170]],G15:1335,G18:7973,G15_MASK:21522,getBCHTypeInfo:function(o){for(var e=o<<10;l.getBCHDigit(e)-l.getBCHDigit(l.G15)>=0;)e^=l.G15<<l.getBCHDigit(e)-l.getBCHDigit(l.G15);return (o<<10|e)^l.G15_MASK},getBCHTypeNumber:function(o){for(var e=o<<12;l.getBCHDigit(e)-l.getBCHDigit(l.G18)>=0;)e^=l.G18<<l.getBCHDigit(e)-l.getBCHDigit(l.G18);return o<<12|e},getBCHDigit:function(o){for(var e=0;0!=o;)e++,o>>>=1;return e},getPatternPosition:function(o){return l.PATTERN_POSITION_TABLE[o-1]},getMask:function(o,e,r){switch(o){case i:return (e+r)%2==0;case n:return e%2==0;case a:return r%3==0;case s:return (e+r)%3==0;case u:return (Math.floor(e/2)+Math.floor(r/3))%2==0;case d:return e*r%2+e*r%3==0;case g:return (e*r%2+e*r%3)%2==0;case h:return (e*r%3+(e+r)%2)%2==0;default:throw new Error("bad maskPattern:"+o)}},getErrorCorrectPolynomial:function(o){for(var e=new f([1],0),r=0;r<o;r++)e=e.multiply(new f([1,c.gexp(r)],0));return e},getLengthInBits:function(o,e){if(1<=e&&e<10)switch(o){case r.MODE_NUMBER:return 10;case r.MODE_ALPHA_NUM:return 9;case r.MODE_8BIT_BYTE:case r.MODE_KANJI:return 8;default:throw new Error("mode:"+o)}else if(e<27)switch(o){case r.MODE_NUMBER:return 12;case r.MODE_ALPHA_NUM:return 11;case r.MODE_8BIT_BYTE:return 16;case r.MODE_KANJI:return 10;default:throw new Error("mode:"+o)}else {if(!(e<41))throw new Error("type:"+e);switch(o){case r.MODE_NUMBER:return 14;case r.MODE_ALPHA_NUM:return 13;case r.MODE_8BIT_BYTE:return 16;case r.MODE_KANJI:return 12;default:throw new Error("mode:"+o)}}},getLostPoint:function(o){for(var e=o.getModuleCount(),r=0,t=0;t<e;t++)for(var i=0;i<e;i++){for(var n=0,a=o.isDark(t,i),s=-1;s<=1;s++)if(!(t+s<0||e<=t+s))for(var u=-1;u<=1;u++)i+u<0||e<=i+u||0==s&&0==u||a==o.isDark(t+s,i+u)&&n++;n>5&&(r+=3+n-5);}for(t=0;t<e-1;t++)for(i=0;i<e-1;i++){var d=0;o.isDark(t,i)&&d++,o.isDark(t+1,i)&&d++,o.isDark(t,i+1)&&d++,o.isDark(t+1,i+1)&&d++,0!=d&&4!=d||(r+=3);}for(t=0;t<e;t++)for(i=0;i<e-6;i++)o.isDark(t,i)&&!o.isDark(t,i+1)&&o.isDark(t,i+2)&&o.isDark(t,i+3)&&o.isDark(t,i+4)&&!o.isDark(t,i+5)&&o.isDark(t,i+6)&&(r+=40);for(i=0;i<e;i++)for(t=0;t<e-6;t++)o.isDark(t,i)&&!o.isDark(t+1,i)&&o.isDark(t+2,i)&&o.isDark(t+3,i)&&o.isDark(t+4,i)&&!o.isDark(t+5,i)&&o.isDark(t+6,i)&&(r+=40);var g=0;for(i=0;i<e;i++)for(t=0;t<e;t++)o.isDark(t,i)&&g++;return r+=10*(Math.abs(100*g/e/e-50)/5)}},c={glog:function(o){if(o<1)throw new Error("glog("+o+")");return c.LOG_TABLE[o]},gexp:function(o){for(;o<0;)o+=255;for(;o>=256;)o-=255;return c.EXP_TABLE[o]},EXP_TABLE:new Array(256),LOG_TABLE:new Array(256)},m=0;m<8;m++)c.EXP_TABLE[m]=1<<m;for(m=8;m<256;m++)c.EXP_TABLE[m]=c.EXP_TABLE[m-4]^c.EXP_TABLE[m-5]^c.EXP_TABLE[m-6]^c.EXP_TABLE[m-8];for(m=0;m<255;m++)c.LOG_TABLE[c.EXP_TABLE[m]]=m;function f(o,e){if(null==o.length)throw new Error(o.length+"/"+e);for(var r=0;r<o.length&&0==o[r];)r++;this.num=new Array(o.length-r+e);for(var t=0;t<o.length-r;t++)this.num[t]=o[t+r];}function p(o,e){this.totalCount=o,this.dataCount=e;}function C(){this.buffer=new Array,this.length=0;}function b(o){return o.setFillStyle=o.setFillStyle||function(e){o.fillStyle=e;},o.setFontSize=o.setFontSize||function(e){o.font=`${e}px`;},o.setTextAlign=o.setTextAlign||function(e){o.textAlign=e;},o.setTextBaseline=o.setTextBaseline||function(e){o.textBaseline=e;},o.draw=o.draw||function(o,e){e&&e();},o.clearRect=o.clearRect||function(e,r,t,i){o.draw(!1);},o}function y(o,e){var r=this.data="",t=this.size=200;this.useDynamicSize=!1,this.dynamicSize=t;var i=this.typeNumber=-1;this.errorCorrectLevel=y.errorCorrectLevel.H;var n=this.margin=0;this.areaColor="#FFFFFF",this.backgroundColor="rgba(255,255,255,0)",this.backgroundImageSrc=void 0;var a=this.backgroundImageWidth=void 0,s=this.backgroundImageHeight=void 0,u=this.backgroundImageX=void 0,d=this.backgroundImageY=void 0;this.backgroundImageAlpha=1,this.backgroundImageBorderRadius=0;var g=this.backgroundPadding=0;this.foregroundColor="#000000",this.foregroundImageSrc=void 0;var h=this.foregroundImageWidth=void 0,l=this.foregroundImageHeight=void 0,c=this.foregroundImageX=void 0,m=this.foregroundImageY=void 0,f=this.foregroundImagePadding=0;this.foregroundImageBackgroundColor="#FFFFFF";var p=this.foregroundImageBorderRadius=0,C=this.foregroundImageShadowOffsetX=0,k=this.foregroundImageShadowOffsetY=0,v=this.foregroundImageShadowBlur=0;this.foregroundImageShadowColor="#808080";var w=this.foregroundPadding=0,I=this.positionProbeBackgroundColor=void 0,B=this.positionProbeForegroundColor=void 0,S=this.separatorColor=void 0,P=this.positionAdjustBackgroundColor=void 0,T=this.positionAdjustForegroundColor=void 0,L=this.timingBackgroundColor=void 0,D=this.timingForegroundColor=void 0,E=this.typeNumberBackgroundColor=void 0,A=this.typeNumberForegroundColor=void 0,N=this.darkBlockColor=void 0;this.base=void 0,this.modules=[],this.moduleCount=0;var z=this.canvasContext=void 0;this.drawReserve=!1,this.isMaked=!1,Object.defineProperties(this,{data:{get(){if(""===r||void 0===r)throw console.error("[uQRCode]: data must be set!"),new y.Error("data must be set!");return r},set(o){r=String(o);}},size:{get:()=>t,set(o){t=Number(o);}},typeNumber:{get:()=>i,set(o){i=Number(o);}},margin:{get:()=>n,set(o){n=Number(o);}},backgroundImageWidth:{get(){return void 0===a?this.dynamicSize:this.useDynamicSize?this.dynamicSize/this.size*a:a},set(o){a=Number(o);}},backgroundImageHeight:{get(){return void 0===s?this.dynamicSize:this.useDynamicSize?this.dynamicSize/this.size*s:s},set(o){s=Number(o);}},backgroundImageX:{get(){return void 0===u?0:this.useDynamicSize?this.dynamicSize/this.size*u:u},set(o){u=Number(o);}},backgroundImageY:{get(){return void 0===d?0:this.useDynamicSize?this.dynamicSize/this.size*d:d},set(o){d=Number(o);}},backgroundPadding:{get:()=>g,set(o){g=o>1?1:o<0?0:o;}},foregroundImageWidth:{get(){return void 0===h?(this.dynamicSize-2*this.margin)/4:this.useDynamicSize?this.dynamicSize/this.size*h:h},set(o){h=Number(o);}},foregroundImageHeight:{get(){return void 0===l?(this.dynamicSize-2*this.margin)/4:this.useDynamicSize?this.dynamicSize/this.size*l:l},set(o){l=Number(o);}},foregroundImageX:{get(){return void 0===c?this.dynamicSize/2-this.foregroundImageWidth/2:this.useDynamicSize?this.dynamicSize/this.size*c:c},set(o){c=Number(o);}},foregroundImageY:{get(){return void 0===m?this.dynamicSize/2-this.foregroundImageHeight/2:this.useDynamicSize?this.dynamicSize/this.size*m:m},set(o){m=Number(o);}},foregroundImagePadding:{get(){return this.useDynamicSize?this.dynamicSize/this.size*f:f},set(o){f=Number(o);}},foregroundImageBorderRadius:{get(){return this.useDynamicSize?this.dynamicSize/this.size*p:p},set(o){p=Number(o);}},foregroundImageShadowOffsetX:{get(){return this.useDynamicSize?this.dynamicSize/this.size*C:C},set(o){C=Number(o);}},foregroundImageShadowOffsetY:{get(){return this.useDynamicSize?this.dynamicSize/this.size*k:k},set(o){k=Number(o);}},foregroundImageShadowBlur:{get(){return this.useDynamicSize?this.dynamicSize/this.size*v:v},set(o){v=Number(o);}},foregroundPadding:{get:()=>w,set(o){w=o>1?1:o<0?0:o;}},positionProbeBackgroundColor:{get(){return I||this.backgroundColor},set(o){I=o;}},positionProbeForegroundColor:{get(){return B||this.foregroundColor},set(o){B=o;}},separatorColor:{get(){return S||this.backgroundColor},set(o){S=o;}},positionAdjustBackgroundColor:{get(){return P||this.backgroundColor},set(o){P=o;}},positionAdjustForegroundColor:{get(){return T||this.foregroundColor},set(o){T=o;}},timingBackgroundColor:{get(){return L||this.backgroundColor},set(o){L=o;}},timingForegroundColor:{get(){return D||this.foregroundColor},set(o){D=o;}},typeNumberBackgroundColor:{get(){return E||this.backgroundColor},set(o){E=o;}},typeNumberForegroundColor:{get(){return A||this.foregroundColor},set(o){A=o;}},darkBlockColor:{get(){return N||this.foregroundColor},set(o){N=o;}},canvasContext:{get(){if(void 0===z)throw console.error("[uQRCode]: use drawCanvas, you need to set the canvasContext!"),new y.Error("use drawCanvas, you need to set the canvasContext!");return z},set(o){z=b(o);}}}),y.plugins.forEach((o=>o(y,this,!1))),o&&this.setOptions(o),e&&(this.canvasContext=b(e));}f.prototype={get:function(o){return this.num[o]},getLength:function(){return this.num.length},multiply:function(o){for(var e=new Array(this.getLength()+o.getLength()-1),r=0;r<this.getLength();r++)for(var t=0;t<o.getLength();t++)e[r+t]^=c.gexp(c.glog(this.get(r))+c.glog(o.get(t)));return new f(e,0)},mod:function(o){if(this.getLength()-o.getLength()<0)return this;for(var e=c.glog(this.get(0))-c.glog(o.get(0)),r=new Array(this.getLength()),t=0;t<this.getLength();t++)r[t]=this.get(t);for(t=0;t<o.getLength();t++)r[t]^=c.gexp(c.glog(o.get(t))+e);return new 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!(0>o||0>e||o>=r||e>=r)&&this.modules[o][e].isBlack},y.prototype.drawCanvas=function(){let{isMaked:o,canvasContext:e,useDynamicSize:r,dynamicSize:t,foregroundColor:i,foregroundPadding:n,backgroundColor:a,backgroundPadding:s,drawReserve:u,margin:d}=this;if(!o)return console.error("[uQRCode]: please execute the make method first!"),Promise.reject(new y.Error("please execute the make method first!"));let g=this.getDrawModules(),h=async(o,r)=>{try{e.clearRect(0,0,t,t),e.draw(!1);for(var i=0;i<g.length;i++){var n=g[i];switch(e.save(),n.type){case"area":e.setFillStyle(n.color),e.fillRect(n.x,n.y,n.width,n.height);break;case"tile":var a=n.x,s=n.y,d=n.width,h=n.height;e.beginPath(),e.moveTo(a,s),e.arcTo(a+d,s,a+d,s+h,0),e.arcTo(a+d,s+h,a,s+h,0),e.arcTo(a,s+h,a,s,0),e.arcTo(a,s,a+d,s,0),e.closePath(),e.fillStyle=n.color,e.fill(),e.clip();break;case"image":if("backgroundImage"===n.name){a=n.x,s=n.y,d=n.width,h=n.height;d<2*(c=n.borderRadius)&&(c=d/2),h<2*c&&(c=h/2),e.globalAlpha=n.alpha,e.beginPath(),e.moveTo(a+c,s),e.arcTo(a+d,s,a+d,s+h,c),e.arcTo(a+d,s+h,a,s+h,c),e.arcTo(a,s+h,a,s,c),e.arcTo(a,s,a+d,s,c),e.closePath(),e.strokeStyle="rgba(0,0,0,0)",e.stroke(),e.clip();try{var l=await this.loadImage(n.imageSrc);e.drawImage(l,n.x,n.y,n.width,n.height);}catch(o){throw console.error(`[uQRCode]: ${n.mappingName} invalid!`),new y.Error(`${n.mappingName} invalid!`)}}else if("foregroundImage"===n.name){var c;a=n.x,s=n.y,d=n.width,h=n.height;d<2*(c=n.borderRadius)&&(c=d/2),h<2*c&&(c=h/2);var m=n.x-n.padding,f=n.y-n.padding,p=n.width+2*n.padding,C=n.height+2*n.padding,b=p/d*c;p<2*b&&(b=p/2),C<2*b&&(b=C/2),e.save(),e.shadowOffsetX=n.shadowOffsetX,e.shadowOffsetY=n.shadowOffsetY,e.shadowBlur=n.shadowBlur,e.shadowColor=n.shadowColor,e.beginPath(),e.moveTo(m+b,f),e.arcTo(m+p,f,m+p,f+C,b),e.arcTo(m+p,f+C,m,f+C,b),e.arcTo(m,f+C,m,f,b),e.arcTo(m,f,m+p,f,b),e.closePath(),e.setFillStyle(n.backgroundColor),e.fill(),e.restore(),e.beginPath(),e.moveTo(m+b,f),e.arcTo(m+p,f,m+p,f+C,b),e.arcTo(m+p,f+C,m,f+C,b),e.arcTo(m,f+C,m,f,b),e.arcTo(m,f,m+p,f,b),e.closePath(),e.setFillStyle(n.padding>0?n.backgroundColor:"rgba(0,0,0,0)"),e.fill(),e.beginPath(),e.moveTo(a+c,s),e.arcTo(a+d,s,a+d,s+h,c),e.arcTo(a+d,s+h,a,s+h,c),e.arcTo(a,s+h,a,s,c),e.arcTo(a,s,a+d,s,c),e.closePath(),e.strokeStyle="rgba(0,0,0,0)",e.stroke(),e.clip();try{l=await this.loadImage(n.imageSrc);e.drawImage(l,n.x,n.y,n.width,n.height);}catch(o){throw console.error(`[uQRCode]: ${n.mappingName} invalid!`),new y.Error(`${n.mappingName} invalid!`)}}}u&&e.draw(!0),e.restore();}e.draw(!0),setTimeout(o,150);}catch(o){if(!(o instanceof y.Error))throw o;r(o);}};return new Promise(((o,e)=>{h(o,e);}))},y.prototype.draw=function(){return this.drawCanvas()},y.prototype.register=function(o){o&&o(y,this,!0);};export{y as default};
    35.