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Editing: jquery.qrcode.min.js
/* jQuery.qrcode 0.12.0 - http://larsjung.de/jquery-qrcode/ - uses //github.com/kazuhikoarase/qrcode-generator (MIT) */ !function(r){"use strict";function t(t,e,n,o){function i(r,t){return r-=o,t-=o,0>r||r>=u||0>t||t>=u?!1:a.isDark(r,t)}var a=r(n,e);a.addData(t),a.make(),o=o||0;var u=a.getModuleCount(),f=a.getModuleCount()+2*o,c=function(r,t,e,n){var o=this.isDark,i=1/f;this.isDark=function(a,u){var f=u*i,c=a*i,l=f+i,g=c+i;return o(a,u)&&(r>l||f>e||t>g||c>n)}};this.text=t,this.level=e,this.version=n,this.moduleCount=f,this.isDark=i,this.addBlank=c}function e(r,e,n,o,i){n=Math.max(1,n||1),o=Math.min(40,o||40);for(var a=n;o>=a;a+=1)try{return new t(r,e,a,i)}catch(u){}}function n(r,t,e){var n=e.size,o="bold "+e.mSize*n+"px "+e.fontname,i=w("<canvas/>")[0].getContext("2d");i.font=o;var 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l=e.left+o*u,g=e.top+n*u,s=u;f(r,t,e,l,g,s,n,o)}if(w(e.fill).is("img")){t.strokeStyle="rgba(0,0,0,0.5)",t.lineWidth=2,t.stroke();var h=t.globalCompositeOperation;t.globalCompositeOperation="destination-out",t.fill(),t.globalCompositeOperation=h,t.clip(),t.drawImage(e.fill,0,0,e.size,e.size),t.restore()}else t.fillStyle=e.fill,t.fill()}function g(r,t){var n=e(t.text,t.ecLevel,t.minVersion,t.maxVersion,t.quiet);if(!n)return null;var o=w(r).data("qrcode",n),a=o[0].getContext("2d");return i(n,a,t),l(n,a,t),o}function s(r){var t=w("<canvas/>").attr("width",r.size).attr("height",r.size);return g(t,r)}function h(r){return w("<img/>").attr("src",s(r)[0].toDataURL("image/png"))}function v(r){var t=e(r.text,r.ecLevel,r.minVersion,r.maxVersion,r.quiet);if(!t)return null;var n,o,i=r.size,a=r.background,u=Math.floor,f=t.moduleCount,c=u(i/f),l=u(.5*(i-c*f)),g={position:"relative",left:0,top:0,padding:0,margin:0,width:i,height:i},s={position:"absolute",padding:0,margin:0,width:c,height:c,"background-color":r.fill},h=w("<div/>").data("qrcode",t).css(g);for(a&&h.css("background-color",a),n=0;f>n;n+=1)for(o=0;f>o;o+=1)t.isDark(n,o)&&w("<div/>").css(s).css({left:l+o*c,top:l+n*c}).appendTo(h);return h}function d(r){return m&&"canvas"===r.render?s(r):m&&"image"===r.render?h(r):v(r)}var w=jQuery,m=function(){var r=document.createElement("canvas");return Boolean(r.getContext&&r.getContext("2d"))}(),p="[object Opera]"!==Object.prototype.toString.call(window.opera),y={render:"canvas",minVersion:1,maxVersion:40,ecLevel:"L",left:0,top:0,size:200,fill:"#000",background:null,text:"no text",radius:0,quiet:0,mode:0,mSize:.1,mPosX:.5,mPosY:.5,label:"no label",fontname:"sans",fontcolor:"#000",image:null};w.fn.qrcode=function(r){var t=w.extend({},y,r);return 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e={MODE_NUMBER:1,MODE_ALPHA_NUM:2,MODE_8BIT_BYTE:4,MODE_KANJI:8},n={L:1,M:0,Q:3,H:2},o={PATTERN000:0,PATTERN001:1,PATTERN010:2,PATTERN011:3,PATTERN100:4,PATTERN101:5,PATTERN110:6,PATTERN111:7},i=function(){var t=[[],[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]],n=1335,i=7973,u=21522,f={},c=function(r){for(var t=0;0!=r;)t+=1,r>>>=1;return t};return f.getBCHTypeInfo=function(r){for(var 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