qrcode - npm Package Compare versions

Comparing version 0.2.4 to 0.2.5

build/qrcode.js

@@ -390,3 +390,4 @@ var require = function (file, cwd) {
     var level,
-    error;
+    error,
+    errorCorrectLevel;
     
@@ -393,0 +394,0 @@ var args = Array.prototype.slice.call(arguments);

build/qrcode.min.js

@@ -1,1 +0,1 @@
-var require=function(a,b){var c=require.resolve(a,b||"/"),d=require.modules[c];if(!d)throw new Error("Failed to resolve module "+a+", tried "+c);var e=d._cached?d._cached:d();return e};require.paths=[],require.modules={},require.extensions=[".js",".coffee"],require._core={assert:!0,events:!0,fs:!0,path:!0,vm:!0},require.resolve=function(){return function(a,b){function g(a){if(require.modules[a])return a;for(var b=0;b<require.extensions.length;b++){var c=require.extensions[b];if(require.modules[a+c])return a+c}}function h(a){a=a.replace(/\/+$/,"");var b=a+"/package.json";if(require.modules[b]){var d=require.modules[b](),e=d.browserify;if(typeof e=="object"&&e.main){var f=g(c.resolve(a,e.main));if(f)return f}else if(typeof e=="string"){var f=g(c.resolve(a,e));if(f)return f}else if(d.main){var f=g(c.resolve(a,d.main));if(f)return f}}return g(a+"/index")}function i(a,b){var c=j(b);for(var d=0;d<c.length;d++){var e=c[d],f=g(e+"/"+a);if(f)return f;var i=h(e+"/"+a);if(i)return i}var f=g(a);if(f)return f}function j(a){var b;a==="/"?b=[""]:b=c.normalize(a).split("/");var d=[];for(var e=b.length-1;e>=0;e--){if(b[e]==="node_modules")continue;var f=b.slice(0,e+1).join("/")+"/node_modules";d.push(f)}return d}b||(b="/");if(require._core[a])return a;var c=require.modules.path(),d=b||".";if(a.match(/^(?:\.\.?\/|\/)/)){var e=g(c.resolve(d,a))||h(c.resolve(d,a));if(e)return e}var f=i(a,d);if(f)return f;throw new Error("Cannot find module '"+a+"'")}}(),require.alias=function(a,b){var c=require.modules.path(),d=null;try{d=require.resolve(a+"/package.json","/")}catch(e){d=require.resolve(a,"/")}var f=c.dirname(d),g=(Object.keys||function(a){var b=[];for(var c in a)b.push(c);return b})(require.modules);for(var h=0;h<g.length;h++){var i=g[h];if(i.slice(0,f.length+1)===f+"/"){var j=i.slice(f.length);require.modules[b+j]=require.modules[f+j]}else i===f&&(require.modules[b]=require.modules[f])}},require.define=function(a,b){var c=require._core[a]?"":require.modules.path().dirname(a),d=function(a){return require(a,c)};d.resolve=function(a){return require.resolve(a,c)},d.modules=require.modules,d.define=require.define;var e={exports:{}};require.modules[a]=function(){return require.modules[a]._cached=e.exports,b.call(e.exports,d,e,e.exports,c,a),require.modules[a]._cached=e.exports,e.exports}},typeof process=="undefined"&&(process={}),process.nextTick||(process.nextTick=function(){var a=[],b=typeof window!="undefined"&&window.postMessage&&window.addEventListener;return b&&window.addEventListener("message",function(b){if(b.source===window&&b.data==="browserify-tick"){b.stopPropagation();if(a.length>0){var c=a.shift();c()}}},!0),function(c){b?(a.push(c),window.postMessage("browserify-tick","*")):setTimeout(c,0)}}()),process.title||(process.title="browser"),process.binding||(process.binding=function(a){if(a==="evals")return require("vm");throw new Error("No such module")}),process.cwd||(process.cwd=function(){return"."}),require.define("path",function(a,b,c,d,e){function f(a,b){var c=[];for(var d=0;d<a.length;d++)b(a[d],d,a)&&c.push(a[d]);return c}function g(a,b){var c=0;for(var d=a.length;d>=0;d--){var e=a[d];e=="."?a.splice(d,1):e===".."?(a.splice(d,1),c++):c&&(a.splice(d,1),c--)}if(b)for(;c--;c)a.unshift("..");return a}var h=/^(.+\/(?!$)|\/)?((?:.+?)?(\.[^.]*)?)$/;c.resolve=function(){var a="",b=!1;for(var c=arguments.length;c>=-1&&!b;c--){var d=c>=0?arguments[c]:process.cwd();if(typeof d!="string"||!d)continue;a=d+"/"+a,b=d.charAt(0)==="/"}return a=g(f(a.split("/"),function(a){return!!a}),!b).join("/"),(b?"/":"")+a||"."},c.normalize=function(a){var b=a.charAt(0)==="/",c=a.slice(-1)==="/";return a=g(f(a.split("/"),function(a){return!!a}),!b).join("/"),!a&&!b&&(a="."),a&&c&&(a+="/"),(b?"/":"")+a},c.join=function(){var a=Array.prototype.slice.call(arguments,0);return c.normalize(f(a,function(a,b){return a&&typeof a=="string"}).join("/"))},c.dirname=function(a){var b=h.exec(a)[1]||"",c=!1;return b?b.length===1||c&&b.length<=3&&b.charAt(1)===":"?b:b.substring(0,b.length-1):"."},c.basename=function(a,b){var c=h.exec(a)[2]||"";return b&&c.substr(-1*b.length)===b&&(c=c.substr(0,c.length-b.length)),c},c.extname=function(a){return h.exec(a)[3]||""}}),require.define("/lib/qrcode-draw.js",function(a,b,c,d,e){function i(){}var f=a("./qrcode.js"),g=a("./qrcapacitytable.js").QRCapacityTable,h=f.QRCode;c.QRCodeDraw=i,c.QRVersionCapacityTable=g,c.QRErrorCorrectLevel=f.QRErrorCorrectLevel,c.QRCode=f.QRCode,i.prototype={scale:4,defaultMargin:20,marginScaleFactor:5,Array:typeof Uint32Array=="undefined"?Uint32Array:Array,errorBehavior:{length:"trim"},color:{dark:"black",light:"white"},defaultErrorCorrectLevel:f.QRErrorCorrectLevel.H,QRErrorCorrectLevel:f.QRErrorCorrectLevel,draw:function(a,b,c,d){var e,g,h=Array.prototype.slice.call(arguments);d=h.pop(),a=h.shift(),b=h.shift(),c=h.shift()||{};if(typeof d!="function")throw new Error("callback required");typeof c!="object"&&(c.errorCorrectLevel=c),this.QRVersion(b,c.errorCorrectLevel||this.QRErrorCorrectLevel.H,c.version,function(a,c,d,f){b=c,e=d,g=a,errorCorrectLevel=f}),this.scale=c.scale||this.scale,this.margin=c.margin||this.scale*2;if(!e){d(g,a);return}try{var i=new f.QRCode(e,errorCorrectLevel),j=this.scale||4,k=a.getContext("2d"),l=0;i.addData(b),i.make();var m=this.marginWidth(),n=m;l=this.dataWidth(i)+m*2,this.resetCanvas(a,k,l);for(var o=0,p=i.getModuleCount();o<p;o++){var q=m;for(var r=0,s=i.getModuleCount();r<s;r++)i.isDark(o,r)?(k.fillStyle=this.color.dark,k.fillRect(q,n,j,j)):this.color.light&&(k.fillStyle=this.color.light,k.fillRect(q,n,j,j)),q+=j;n+=j}}catch(t){g=t}d(g,a,l)},drawBitArray:function(a){var b=Array.prototype.slice.call(arguments),c=b.pop(),a=b.shift(),d=b.shift(),e=b.shift()||{};if(typeof c!="function")throw new Error("callback required as last argument");c=arguments[arguments.length-1],arguments.length>2&&(d=arguments[2]),this.QRVersion(a,d,(e||{}).version,function(b,c,e,f){a=c,level=e,error=b,d=f});if(!level){c(error,[],0);return}try{var g=new f.QRCode(level,d),h=this.scale||4,i=0,j,k=0,l=0;g.addData(a),g.make(),i=this.dataWidth(g,1),j=new this.Array(i*i);for(var m=0,n=g.getModuleCount();m<n;m++)for(var o=0,p=g.getModuleCount();o<p;o++)g.isDark(m,o)?j[k]=1:j[k]=0,k++}catch(q){error=q,console.log(q.stack)}c(error,j,i)},QRVersion:function(a,b,c,d){var e=a.length,f,b=this.QRErrorCorrectLevel[b]||this.defaultErrorCorrectLevel,h=[1,0,3,2],i=["L","M","Q","H"],j=0,k=!1;typeof c!="undefined"&&c!==null&&(k=!0);if(k)console.log("SPECIFIED VERSION! ",c),j=g[c][h[b]];else{for(var l=0,m=g.length;l<m;l++){j=g[l][h[b]];if(e<g[l][h[b]]){c=l+1;break}}c||(c=g.length-1)}return j<e&&(this.errorBehavior.length=="trim"?(a=a.substr(0,j),level=g.length):f=new Error("input string too long for error correction "+i[h[b]]+" max length "+j+" for qrcode version "+c)),d&&d(f,a,c,b),c},marginWidth:function(){var a=this.defaultMargin;return this.scale=this.scale||4,this.scale*this.marginScaleFactor>a&&(a=this.scale*this.marginScaleFactor),a},dataWidth:function(a,b){return a.getModuleCount()*(b||this.scale||4)},resetCanvas:function(a,b,c){b.clearRect(0,0,a.width,a.height),a.style||(a.style={}),a.style.height=a.height=c,a.style.width=a.width=c,this.color.light?(b.fillStyle=this.color.light,b.fillRect(0,0,a.width,a.height)):b.clearRect(0,0,a.width,a.height)}}}),require.define("/lib/qrcode.js",function(a,b,c,d,e){function g(a,b){this.typeNumber=a,this.errorCorrectLevel=b,this.modules=null,this.moduleCount=0,this.dataCache=null,this.dataList=new f}function h(a){this.mode=i.MODE_8BIT_BYTE,this.data=a}function o(a,b){if(a.length==undefined)throw new Error(a.length+"/"+b);var c=0;while(c<a.length&&a[c]==0)c++;this.num=new Array(a.length-c+b);for(var d=0;d<a.length-c;d++)this.num[d]=a[d+c]}function p(a,b){this.totalCount=a,this.dataCount=b}function q(){this.buffer=new Array,this.length=0}c.QRCode=g;var f=typeof Uint32Array=="undefined"?Uint32Array:Array;g.prototype={addData:function(a){var b=new h(a);this.dataList.push(b),this.dataCache=null},isDark:function(a,b){if(a<0||this.moduleCount<=a||b<0||this.moduleCount<=b)throw new Error(a+","+b);return this.modules[a][b]},getModuleCount:function(){return this.moduleCount},make:function(){this.makeImpl(!1,this.getBestMaskPattern())},makeImpl:function(a,b){this.moduleCount=this.typeNumber*4+17,this.modules=new f(this.moduleCount);for(var c=0;c<this.moduleCount;c++){this.modules[c]=new f(this.moduleCount);for(var d=0;d<this.moduleCount;d++)this.modules[c][d]=null}this.setupPositionProbePattern(0,0),this.setupPositionProbePattern(this.moduleCount-7,0),this.setupPositionProbePattern(0,this.moduleCount-7),this.setupPositionAdjustPattern(),this.setupTimingPattern(),this.setupTypeInfo(a,b),this.typeNumber>=7&&this.setupTypeNumber(a),this.dataCache==null&&(this.dataCache=g.createData(this.typeNumber,this.errorCorrectLevel,this.dataList)),this.mapData(this.dataCache,b)},setupPositionProbePattern:function(a,b){for(var c=-1;c<=7;c++){if(a+c<=-1||this.moduleCount<=a+c)continue;for(var d=-1;d<=7;d++){if(b+d<=-1||this.moduleCount<=b+d)continue;0<=c&&c<=6&&(d==0||d==6)||0<=d&&d<=6&&(c==0||c==6)||2<=c&&c<=4&&2<=d&&d<=4?this.modules[a+c][b+d]=!0:this.modules[a+c][b+d]=!1}}},getBestMaskPattern:function(){var a=0,b=0;for(var c=0;c<8;c++){this.makeImpl(!0,c);var d=l.getLostPoint(this);if(c==0||a>d)a=d,b=c}return b},setupTimingPattern:function(){for(var a=8;a<this.moduleCount-8;a++){if(this.modules[a][6]!=null)continue;this.modules[a][6]=a%2==0}for(var b=8;b<this.moduleCount-8;b++){if(this.modules[6][b]!=null)continue;this.modules[6][b]=b%2==0}},setupPositionAdjustPattern:function(){var a=l.getPatternPosition(this.typeNumber);a=a||"";for(var b=0;b<a.length;b++)for(var c=0;c<a.length;c++){var d=a[b],e=a[c];if(this.modules[d][e]!=null)continue;for(var f=-2;f<=2;f++)for(var g=-2;g<=2;g++)f==-2||f==2||g==-2||g==2||f==0&&g==0?this.modules[d+f][e+g]=!0:this.modules[d+f][e+g]=!1}},setupTypeNumber:function(a){var b=l.getBCHTypeNumber(this.typeNumber);for(var c=0;c<18;c++){var d=!a&&(b>>c&1)==1;this.modules[Math.floor(c/3)][c%3+this.moduleCount-8-3]=d}for(var c=0;c<18;c++){var d=!a&&(b>>c&1)==1;this.modules[c%3+this.moduleCount-8-3][Math.floor(c/3)]=d}},setupTypeInfo:function(a,b){var c=this.errorCorrectLevel<<3|b,d=l.getBCHTypeInfo(c);for(var e=0;e<15;e++){var f=!a&&(d>>e&1)==1;e<6?this.modules[e][8]=f:e<8?this.modules[e+1][8]=f:this.modules[this.moduleCount-15+e][8]=f}for(var e=0;e<15;e++){var f=!a&&(d>>e&1)==1;e<8?this.modules[8][this.moduleCount-e-1]=f:e<9?this.modules[8][15-e-1+1]=f:this.modules[8][15-e-1]=f}this.modules[this.moduleCount-8][8]=!a},mapData:function(a,b){var c=-1,d=this.moduleCount-1,e=7,f=0;for(var g=this.moduleCount-1;g>0;g-=2){g==6&&g--;for(;;){for(var h=0;h<2;h++)if(this.modules[d][g-h]==null){var i=!1;f<a.length&&(i=(a[f]>>>e&1)==1);var j=l.getMask(b,d,g-h);j&&(i=!i),this.modules[d][g-h]=i,e--,e==-1&&(f++,e=7)}d+=c;if(d<0||this.moduleCount<=d){d-=c,c=-c;break}}}}},g.PAD0=236,g.PAD1=17,g.createData=function(a,b,c){var d=p.getRSBlocks(a,b),e=new q;for(var f=0;f<c.length;f++){var h=c[f];e.put(h.mode,4),e.put(h.getLength(),l.getLengthInBits(h.mode,a)),h.write(e)}var i=0;for(var f=0;f<d.length;f++)i+=d[f].dataCount;if(e.getLengthInBits()>i*8)throw new Error("code length overflow. ("+e.getLengthInBits()+">"+i*8+")");e.getLengthInBits()+4<=i*8&&e.put(0,4);while(e.getLengthInBits()%8!=0)e.putBit(!1);for(;;){if(e.getLengthInBits()>=i*8)break;e.put(g.PAD0,8);if(e.getLengthInBits()>=i*8)break;e.put(g.PAD1,8)}return g.createBytes(e,d)},g.createBytes=function(a,b){var c=0,d=0,e=0,g=new f(b.length),h=new f(b.length);for(var i=0;i<b.length;i++){var j=b[i].dataCount,k=b[i].totalCount-j;d=Math.max(d,j),e=Math.max(e,k),g[i]=new f(j);for(var m=0;m<g[i].length;m++)g[i][m]=255&a.buffer[m+c];c+=j;var n=l.getErrorCorrectPolynomial(k),p=new o(g[i],n.getLength()-1),q=p.mod(n);h[i]=new f(n.getLength()-1);for(var m=0;m<h[i].length;m++){var r=m+q.getLength()-h[i].length;h[i][m]=r>=0?q.get(r):0}}var s=0;for(var m=0;m<b.length;m++)s+=b[m].totalCount;var t=new f(s),u=0;for(var m=0;m<d;m++)for(var i=0;i<b.length;i++)m<g[i].length&&(t[u++]=g[i][m]);for(var m=0;m<e;m++)for(var i=0;i<b.length;i++)m<h[i].length&&(t[u++]=h[i][m]);return t},h.prototype={getLength:function(a){return this.data.length},write:function(a){for(var b=0;b<this.data.length;b++)a.put(this.data.charCodeAt(b),8)}};var i={MODE_NUMBER:1,MODE_ALPHA_NUM:2,MODE_8BIT_BYTE:4,MODE_KANJI:8},j=c.QRErrorCorrectLevel={L:1,M:0,Q:3,H:2},k={PATTERN000:0,PATTERN001:1,PATTERN010:2,PATTERN011:3,PATTERN100:4,PATTERN101:5,PATTERN110:6,PATTERN111:7},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(a){var b=a<<10;while(l.getBCHDigit(b)-l.getBCHDigit(l.G15)>=0)b^=l.G15<<l.getBCHDigit(b)-l.getBCHDigit(l.G15);return(a<<10|b)^l.G15_MASK},getBCHTypeNumber:function(a){var b=a<<12;while(l.getBCHDigit(b)-l.getBCHDigit(l.G18)>=0)b^=l.G18<<l.getBCHDigit(b)-l.getBCHDigit(l.G18);return a<<12|b},getBCHDigit:function(a){var b=0;while(a!=0)b++,a>>>=1;return b},getPatternPosition:function(a){return l.PATTERN_POSITION_TABLE[a-1]},getMask:function(a,b,c){switch(a){case k.PATTERN000:return(b+c)%2==0;case k.PATTERN001:return b%2==0;case k.PATTERN010:return c%3==0;case k.PATTERN011:return(b+c)%3==0;case k.PATTERN100:return(Math.floor(b/2)+Math.floor(c/3))%2==0;case k.PATTERN101:return b*c%2+b*c%3==0;case k.PATTERN110:return(b*c%2+b*c%3)%2==0;case k.PATTERN111:return(b*c%3+(b+c)%2)%2==0;default:throw new Error("bad maskPattern:"+a)}},getErrorCorrectPolynomial:function(a){var b=new o([1],0);for(var c=0;c<a;c++)b=b.multiply(new o([1,m.gexp(c)],0));return b},getLengthInBits:function(a,b){if(1<=b&&b<10)switch(a){case i.MODE_NUMBER:return 10;case i.MODE_ALPHA_NUM:return 9;case i.MODE_8BIT_BYTE:return 8;case i.MODE_KANJI:return 8;default:throw new Error("mode:"+a)}else if(b<27)switch(a){case i.MODE_NUMBER:return 12;case i.MODE_ALPHA_NUM:return 11;case i.MODE_8BIT_BYTE:return 16;case i.MODE_KANJI:return 10;default:throw new Error("mode:"+a)}else{if(!(b<41))throw new Error("type:"+b);switch(a){case i.MODE_NUMBER:return 14;case i.MODE_ALPHA_NUM:return 13;case i.MODE_8BIT_BYTE:return 16;case i.MODE_KANJI:return 12;default:throw new Error("mode:"+a)}}},getLostPoint:function(a){var b=a.getModuleCount(),c=0;for(var d=0;d<b;d++)for(var e=0;e<b;e++){var f=0,g=a.isDark(d,e);for(var h=-1;h<=1;h++){if(d+h<0||b<=d+h)continue;for(var i=-1;i<=1;i++){if(e+i<0||b<=e+i)continue;if(h==0&&i==0)continue;g==a.isDark(d+h,e+i)&&f++}}f>5&&(c+=3+f-5)}for(var d=0;d<b-1;d++)for(var e=0;e<b-1;e++){var j=0;a.isDark(d,e)&&j++,a.isDark(d+1,e)&&j++,a.isDark(d,e+1)&&j++,a.isDark(d+1,e+1)&&j++;if(j==0||j==4)c+=3}for(var d=0;d<b;d++)for(var e=0;e<b-6;e++)a.isDark(d,e)&&!a.isDark(d,e+1)&&a.isDark(d,e+2)&&a.isDark(d,e+3)&&a.isDark(d,e+4)&&!a.isDark(d,e+5)&&a.isDark(d,e+6)&&(c+=40);for(var e=0;e<b;e++)for(var d=0;d<b-6;d++)a.isDark(d,e)&&!a.isDark(d+1,e)&&a.isDark(d+2,e)&&a.isDark(d+3,e)&&a.isDark(d+4,e)&&!a.isDark(d+5,e)&&a.isDark(d+6,e)&&(c+=40);var k=0;for(var e=0;e<b;e++)for(var d=0;d<b;d++)a.isDark(d,e)&&k++;var l=Math.abs(100*k/b/b-50)/5;return c+=l*10,c}},m={glog:function(a){if(a<1)throw new Error("glog("+a+")");return m.LOG_TABLE[a]},gexp:function(a){while(a<0)a+=255;while(a>=256)a-=255;return m.EXP_TABLE[a]},EXP_TABLE:new Array(256),LOG_TABLE:new Array(256)};for(var n=0;n<8;n++)m.EXP_TABLE[n]=1<<n;for(var n=8;n<256;n++)m.EXP_TABLE[n]=m.EXP_TABLE[n-4]^m.EXP_TABLE[n-5]^m.EXP_TABLE[n-6]^m.EXP_TABLE[n-8];for(var n=0;n<255;n++)m.LOG_TABLE[m.EXP_TABLE[n]]=n;o.prototype={get:function(a){return this.num[a]},getLength:function(){return this.num.length},multiply:function(a){var b=new Array(this.getLength()+a.getLength()-1);for(var c=0;c<this.getLength();c++)for(var d=0;d<a.getLength();d++)b[c+d]^=m.gexp(m.glog(this.get(c))+m.glog(a.get(d)));return new o(b,0)},mod:function(a){if(this.getLength()-a.getLength()<0)return this;var b=m.glog(this.get(0))-m.glog(a.get(0)),c=new Array(this.getLength());for(var d=0;d<this.getLength();d++)c[d]=this.get(d);for(var d=0;d<a.getLength();d++)c[d]^=m.gexp(m.glog(a.get(d))+b);return(new 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d!="function")throw new Error("callback required");typeof c!="object"&&(c.errorCorrectLevel=c),this.QRVersion(b,c.errorCorrectLevel||this.QRErrorCorrectLevel.H,c.version,function(a,c,d,f){b=c,e=d,g=a,h=f}),this.scale=c.scale||this.scale,this.margin=c.margin||this.scale*2;if(!e){d(g,a);return}try{var j=new f.QRCode(e,h),k=this.scale||4,l=a.getContext("2d"),m=0;j.addData(b),j.make();var n=this.marginWidth(),o=n;m=this.dataWidth(j)+n*2,this.resetCanvas(a,l,m);for(var p=0,q=j.getModuleCount();p<q;p++){var r=n;for(var s=0,t=j.getModuleCount();s<t;s++)j.isDark(p,s)?(l.fillStyle=this.color.dark,l.fillRect(r,o,k,k)):this.color.light&&(l.fillStyle=this.color.light,l.fillRect(r,o,k,k)),r+=k;o+=k}}catch(u){g=u}d(g,a,m)},drawBitArray:function(a){var b=Array.prototype.slice.call(arguments),c=b.pop(),a=b.shift(),d=b.shift(),e=b.shift()||{};if(typeof c!="function")throw new Error("callback required as last argument");c=arguments[arguments.length-1],arguments.length>2&&(d=arguments[2]),this.QRVersion(a,d,(e||{}).version,function(b,c,e,f){a=c,level=e,error=b,d=f});if(!level){c(error,[],0);return}try{var g=new f.QRCode(level,d),h=this.scale||4,i=0,j,k=0,l=0;g.addData(a),g.make(),i=this.dataWidth(g,1),j=new this.Array(i*i);for(var m=0,n=g.getModuleCount();m<n;m++)for(var o=0,p=g.getModuleCount();o<p;o++)g.isDark(m,o)?j[k]=1:j[k]=0,k++}catch(q){error=q,console.log(q.stack)}c(error,j,i)},QRVersion:function(a,b,c,d){var e=a.length,f,b=this.QRErrorCorrectLevel[b]||this.defaultErrorCorrectLevel,h=[1,0,3,2],i=["L","M","Q","H"],j=0,k=!1;typeof c!="undefined"&&c!==null&&(k=!0);if(k)console.log("SPECIFIED VERSION! ",c),j=g[c][h[b]];else{for(var l=0,m=g.length;l<m;l++){j=g[l][h[b]];if(e<g[l][h[b]]){c=l+1;break}}c||(c=g.length-1)}return j<e&&(this.errorBehavior.length=="trim"?(a=a.substr(0,j),level=g.length):f=new Error("input string too long for error correction "+i[h[b]]+" max length "+j+" for qrcode version "+c)),d&&d(f,a,c,b),c},marginWidth:function(){var a=this.defaultMargin;return this.scale=this.scale||4,this.scale*this.marginScaleFactor>a&&(a=this.scale*this.marginScaleFactor),a},dataWidth:function(a,b){return a.getModuleCount()*(b||this.scale||4)},resetCanvas:function(a,b,c){b.clearRect(0,0,a.width,a.height),a.style||(a.style={}),a.style.height=a.height=c,a.style.width=a.width=c,this.color.light?(b.fillStyle=this.color.light,b.fillRect(0,0,a.width,a.height)):b.clearRect(0,0,a.width,a.height)}}}),require.define("/lib/qrcode.js",function(a,b,c,d,e){function g(a,b){this.typeNumber=a,this.errorCorrectLevel=b,this.modules=null,this.moduleCount=0,this.dataCache=null,this.dataList=new f}function h(a){this.mode=i.MODE_8BIT_BYTE,this.data=a}function o(a,b){if(a.length==undefined)throw new Error(a.length+"/"+b);var c=0;while(c<a.length&&a[c]==0)c++;this.num=new Array(a.length-c+b);for(var d=0;d<a.length-c;d++)this.num[d]=a[d+c]}function p(a,b){this.totalCount=a,this.dataCount=b}function q(){this.buffer=new Array,this.length=0}c.QRCode=g;var f=typeof Uint32Array=="undefined"?Uint32Array:Array;g.prototype={addData:function(a){var b=new h(a);this.dataList.push(b),this.dataCache=null},isDark:function(a,b){if(a<0||this.moduleCount<=a||b<0||this.moduleCount<=b)throw new Error(a+","+b);return this.modules[a][b]},getModuleCount:function(){return this.moduleCount},make:function(){this.makeImpl(!1,this.getBestMaskPattern())},makeImpl:function(a,b){this.moduleCount=this.typeNumber*4+17,this.modules=new f(this.moduleCount);for(var c=0;c<this.moduleCount;c++){this.modules[c]=new f(this.moduleCount);for(var d=0;d<this.moduleCount;d++)this.modules[c][d]=null}this.setupPositionProbePattern(0,0),this.setupPositionProbePattern(this.moduleCount-7,0),this.setupPositionProbePattern(0,this.moduleCount-7),this.setupPositionAdjustPattern(),this.setupTimingPattern(),this.setupTypeInfo(a,b),this.typeNumber>=7&&this.setupTypeNumber(a),this.dataCache==null&&(this.dataCache=g.createData(this.typeNumber,this.errorCorrectLevel,this.dataList)),this.mapData(this.dataCache,b)},setupPositionProbePattern:function(a,b){for(var c=-1;c<=7;c++){if(a+c<=-1||this.moduleCount<=a+c)continue;for(var d=-1;d<=7;d++){if(b+d<=-1||this.moduleCount<=b+d)continue;0<=c&&c<=6&&(d==0||d==6)||0<=d&&d<=6&&(c==0||c==6)||2<=c&&c<=4&&2<=d&&d<=4?this.modules[a+c][b+d]=!0:this.modules[a+c][b+d]=!1}}},getBestMaskPattern:function(){var a=0,b=0;for(var c=0;c<8;c++){this.makeImpl(!0,c);var d=l.getLostPoint(this);if(c==0||a>d)a=d,b=c}return b},setupTimingPattern:function(){for(var a=8;a<this.moduleCount-8;a++){if(this.modules[a][6]!=null)continue;this.modules[a][6]=a%2==0}for(var b=8;b<this.moduleCount-8;b++){if(this.modules[6][b]!=null)continue;this.modules[6][b]=b%2==0}},setupPositionAdjustPattern:function(){var a=l.getPatternPosition(this.typeNumber);a=a||"";for(var b=0;b<a.length;b++)for(var c=0;c<a.length;c++){var d=a[b],e=a[c];if(this.modules[d][e]!=null)continue;for(var f=-2;f<=2;f++)for(var g=-2;g<=2;g++)f==-2||f==2||g==-2||g==2||f==0&&g==0?this.modules[d+f][e+g]=!0:this.modules[d+f][e+g]=!1}},setupTypeNumber:function(a){var b=l.getBCHTypeNumber(this.typeNumber);for(var c=0;c<18;c++){var d=!a&&(b>>c&1)==1;this.modules[Math.floor(c/3)][c%3+this.moduleCount-8-3]=d}for(var c=0;c<18;c++){var d=!a&&(b>>c&1)==1;this.modules[c%3+this.moduleCount-8-3][Math.floor(c/3)]=d}},setupTypeInfo:function(a,b){var c=this.errorCorrectLevel<<3|b,d=l.getBCHTypeInfo(c);for(var e=0;e<15;e++){var f=!a&&(d>>e&1)==1;e<6?this.modules[e][8]=f:e<8?this.modules[e+1][8]=f:this.modules[this.moduleCount-15+e][8]=f}for(var e=0;e<15;e++){var f=!a&&(d>>e&1)==1;e<8?this.modules[8][this.moduleCount-e-1]=f:e<9?this.modules[8][15-e-1+1]=f:this.modules[8][15-e-1]=f}this.modules[this.moduleCount-8][8]=!a},mapData:function(a,b){var c=-1,d=this.moduleCount-1,e=7,f=0;for(var g=this.moduleCount-1;g>0;g-=2){g==6&&g--;for(;;){for(var h=0;h<2;h++)if(this.modules[d][g-h]==null){var i=!1;f<a.length&&(i=(a[f]>>>e&1)==1);var j=l.getMask(b,d,g-h);j&&(i=!i),this.modules[d][g-h]=i,e--,e==-1&&(f++,e=7)}d+=c;if(d<0||this.moduleCount<=d){d-=c,c=-c;break}}}}},g.PAD0=236,g.PAD1=17,g.createData=function(a,b,c){var d=p.getRSBlocks(a,b),e=new q;for(var f=0;f<c.length;f++){var h=c[f];e.put(h.mode,4),e.put(h.getLength(),l.getLengthInBits(h.mode,a)),h.write(e)}var i=0;for(var f=0;f<d.length;f++)i+=d[f].dataCount;if(e.getLengthInBits()>i*8)throw new Error("code length overflow. ("+e.getLengthInBits()+">"+i*8+")");e.getLengthInBits()+4<=i*8&&e.put(0,4);while(e.getLengthInBits()%8!=0)e.putBit(!1);for(;;){if(e.getLengthInBits()>=i*8)break;e.put(g.PAD0,8);if(e.getLengthInBits()>=i*8)break;e.put(g.PAD1,8)}return g.createBytes(e,d)},g.createBytes=function(a,b){var c=0,d=0,e=0,g=new f(b.length),h=new f(b.length);for(var i=0;i<b.length;i++){var j=b[i].dataCount,k=b[i].totalCount-j;d=Math.max(d,j),e=Math.max(e,k),g[i]=new f(j);for(var m=0;m<g[i].length;m++)g[i][m]=255&a.buffer[m+c];c+=j;var n=l.getErrorCorrectPolynomial(k),p=new o(g[i],n.getLength()-1),q=p.mod(n);h[i]=new f(n.getLength()-1);for(var m=0;m<h[i].length;m++){var r=m+q.getLength()-h[i].length;h[i][m]=r>=0?q.get(r):0}}var s=0;for(var m=0;m<b.length;m++)s+=b[m].totalCount;var t=new f(s),u=0;for(var m=0;m<d;m++)for(var i=0;i<b.length;i++)m<g[i].length&&(t[u++]=g[i][m]);for(var m=0;m<e;m++)for(var i=0;i<b.length;i++)m<h[i].length&&(t[u++]=h[i][m]);return t},h.prototype={getLength:function(a){return this.data.length},write:function(a){for(var b=0;b<this.data.length;b++)a.put(this.data.charCodeAt(b),8)}};var i={MODE_NUMBER:1,MODE_ALPHA_NUM:2,MODE_8BIT_BYTE:4,MODE_KANJI:8},j=c.QRErrorCorrectLevel={L:1,M:0,Q:3,H:2},k={PATTERN000:0,PATTERN001:1,PATTERN010:2,PATTERN011:3,PATTERN100:4,PATTERN101:5,PATTERN110:6,PATTERN111:7},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(a){var b=a<<10;while(l.getBCHDigit(b)-l.getBCHDigit(l.G15)>=0)b^=l.G15<<l.getBCHDigit(b)-l.getBCHDigit(l.G15);return(a<<10|b)^l.G15_MASK},getBCHTypeNumber:function(a){var b=a<<12;while(l.getBCHDigit(b)-l.getBCHDigit(l.G18)>=0)b^=l.G18<<l.getBCHDigit(b)-l.getBCHDigit(l.G18);return a<<12|b},getBCHDigit:function(a){var b=0;while(a!=0)b++,a>>>=1;return b},getPatternPosition:function(a){return l.PATTERN_POSITION_TABLE[a-1]},getMask:function(a,b,c){switch(a){case k.PATTERN000:return(b+c)%2==0;case k.PATTERN001:return b%2==0;case k.PATTERN010:return c%3==0;case k.PATTERN011:return(b+c)%3==0;case k.PATTERN100:return(Math.floor(b/2)+Math.floor(c/3))%2==0;case k.PATTERN101:return b*c%2+b*c%3==0;case k.PATTERN110:return(b*c%2+b*c%3)%2==0;case k.PATTERN111:return(b*c%3+(b+c)%2)%2==0;default:throw new Error("bad maskPattern:"+a)}},getErrorCorrectPolynomial:function(a){var b=new o([1],0);for(var c=0;c<a;c++)b=b.multiply(new o([1,m.gexp(c)],0));return b},getLengthInBits:function(a,b){if(1<=b&&b<10)switch(a){case i.MODE_NUMBER:return 10;case i.MODE_ALPHA_NUM:return 9;case i.MODE_8BIT_BYTE:return 8;case i.MODE_KANJI:return 8;default:throw new Error("mode:"+a)}else if(b<27)switch(a){case i.MODE_NUMBER:return 12;case i.MODE_ALPHA_NUM:return 11;case i.MODE_8BIT_BYTE:return 16;case i.MODE_KANJI:return 10;default:throw new Error("mode:"+a)}else{if(!(b<41))throw new Error("type:"+b);switch(a){case i.MODE_NUMBER:return 14;case i.MODE_ALPHA_NUM:return 13;case i.MODE_8BIT_BYTE:return 16;case i.MODE_KANJI:return 12;default:throw new Error("mode:"+a)}}},getLostPoint:function(a){var b=a.getModuleCount(),c=0;for(var d=0;d<b;d++)for(var e=0;e<b;e++){var f=0,g=a.isDark(d,e);for(var h=-1;h<=1;h++){if(d+h<0||b<=d+h)continue;for(var i=-1;i<=1;i++){if(e+i<0||b<=e+i)continue;if(h==0&&i==0)continue;g==a.isDark(d+h,e+i)&&f++}}f>5&&(c+=3+f-5)}for(var d=0;d<b-1;d++)for(var e=0;e<b-1;e++){var j=0;a.isDark(d,e)&&j++,a.isDark(d+1,e)&&j++,a.isDark(d,e+1)&&j++,a.isDark(d+1,e+1)&&j++;if(j==0||j==4)c+=3}for(var d=0;d<b;d++)for(var e=0;e<b-6;e++)a.isDark(d,e)&&!a.isDark(d,e+1)&&a.isDark(d,e+2)&&a.isDark(d,e+3)&&a.isDark(d,e+4)&&!a.isDark(d,e+5)&&a.isDark(d,e+6)&&(c+=40);for(var e=0;e<b;e++)for(var d=0;d<b-6;d++)a.isDark(d,e)&&!a.isDark(d+1,e)&&a.isDark(d+2,e)&&a.isDark(d+3,e)&&a.isDark(d+4,e)&&!a.isDark(d+5,e)&&a.isDark(d+6,e)&&(c+=40);var k=0;for(var e=0;e<b;e++)for(var d=0;d<b;d++)a.isDark(d,e)&&k++;var l=Math.abs(100*k/b/b-50)/5;return c+=l*10,c}},m={glog:function(a){if(a<1)throw new Error("glog("+a+")");return m.LOG_TABLE[a]},gexp:function(a){while(a<0)a+=255;while(a>=256)a-=255;return m.EXP_TABLE[a]},EXP_TABLE:new Array(256),LOG_TABLE:new Array(256)};for(var n=0;n<8;n++)m.EXP_TABLE[n]=1<<n;for(var n=8;n<256;n++)m.EXP_TABLE[n]=m.EXP_TABLE[n-4]^m.EXP_TABLE[n-5]^m.EXP_TABLE[n-6]^m.EXP_TABLE[n-8];for(var n=0;n<255;n++)m.LOG_TABLE[m.EXP_TABLE[n]]=n;o.prototype={get:function(a){return this.num[a]},getLength:function(){return this.num.length},multiply:function(a){var b=new Array(this.getLength()+a.getLength()-1);for(var c=0;c<this.getLength();c++)for(var d=0;d<a.getLength();d++)b[c+d]^=m.gexp(m.glog(this.get(c))+m.glog(a.get(d)));return new o(b,0)},mod:function(a){if(this.getLength()-a.getLength()<0)return this;var b=m.glog(this.get(0))-m.glog(a.get(0)),c=new Array(this.getLength());for(var d=0;d<this.getLength();d++)c[d]=this.get(d);for(var d=0;d<a.getLength();d++)c[d]^=m.gexp(m.glog(a.get(d))+b);return(new o(c,0)).mod(a)}},p.RS_BLOCK_TABLE=[[1,26,19],[1,26,16],[1,26,13],[1,26,9],[1,44,34],[1,44,28],[1,44,22],[1,44,16],[1,70,55],[1,70,44],[2,35,17],[2,35,13],[1,100,80],[2,50,32],[2,50,24],[4,25,9],[1,134,108],[2,67,43],[2,33,15,2,34,16],[2,33,11,2,34,12],[2,86,68],[4,43,27],[4,43,19],[4,43,15],[2,98,78],[4,49,31],[2,32,14,4,33,15],[4,39,13,1,40,14],[2,121,97],[2,60,38,2,61,39],[4,40,18,2,41,19],[4,40,14,2,41,15],[2,146,116],[3,58,36,2,59,37],[4,36,16,4,37,17],[4,36,12,4,37,13],[2,86,68,2,87,69],[4,69,43,1,70,44],[6,43,19,2,44,20],[6,43,15,2,44,16],[4,101,81],[1,80,50,4,81,51],[4,50,22,4,51,23],[3,36,12,8,37,13],[2,116,92,2,117,93],[6,58,36,2,59,37],[4,46,20,6,47,21],[7,42,14,4,43,15],[4,133,107],[8,59,37,1,60,38],[8,44,20,4,45,21],[12,33,11,4,34,12],[3,145,115,1,146,116],[4,64,40,5,65,41],[11,36,16,5,37,17],[11,36,12,5,37,13],[5,109,87,1,110,88],[5,65,41,5,66,42],[5,54,24,7,55,25],[11,36,12,7,37,13],[5,122,98,1,123,99],[7,73,45,3,74,46],[15,43,19,2,44,20],[3,45,15,13,46,16],[1,135,107,5,136,108],[10,74,46,1,75,47],[1,50,22,15,51,23],[2,42,14,17,43,15],[5,150,120,1,151,121],[9,69,43,4,70,44],[17,50,22,1,51,23],[2,42,14,19,43,15],[3,141,113,4,142,114],[3,70,44,11,71,45],[17,47,21,4,48,22],[9,39,13,16,40,14],[3,135,107,5,136,108],[3,67,41,13,68,42],[15,54,24,5,55,25],[15,43,15,10,44,16],[4,144,116,4,145,117],[17,68,42],[17,50,22,6,51,23],[19,46,16,6,47,17],[2,139,111,7,140,112],[17,74,46],[7,54,24,16,55,25],[34,37,13],[4,151,121,5,152,122],[4,75,47,14,76,48],[11,54,24,14,55,25],[16,45,15,14,46,16],[6,147,117,4,148,118],[6,73,45,14,74,46],[11,54,24,16,55,25],[30,46,16,2,47,17],[8,132,106,4,133,107],[8,75,47,13,76,48],[7,54,24,22,55,25],[22,45,15,13,46,16],[10,142,114,2,143,115],[19,74,46,4,75,47],[28,50,22,6,51,23],[33,46,16,4,47,17],[8,152,122,4,153,123],[22,73,45,3,74,46],[8,53,23,26,54,24],[12,45,15,28,46,16],[3,147,117,10,148,118],[3,73,45,23,74,46],[4,54,24,31,55,25],[11,45,15,31,46,16],[7,146,116,7,147,117],[21,73,45,7,74,46],[1,53,23,37,54,24],[19,45,15,26,46,16],[5,145,115,10,146,116],[19,75,47,10,76,48],[15,54,24,25,55,25],[23,45,15,25,46,16],[13,145,115,3,146,116],[2,74,46,29,75,47],[42,54,24,1,55,25],[23,45,15,28,46,16],[17,145,115],[10,74,46,23,75,47],[10,54,24,35,55,25],[19,45,15,35,46,16],[17,145,115,1,146,116],[14,74,46,21,75,47],[29,54,24,19,55,25],[11,45,15,46,46,16],[13,145,115,6,146,116],[14,74,46,23,75,47],[44,54,24,7,55,25],[59,46,16,1,47,17],[12,151,121,7,152,122],[12,75,47,26,76,48],[39,54,24,14,55,25],[22,45,15,41,46,16],[6,151,121,14,152,122],[6,75,47,34,76,48],[46,54,24,10,55,25],[2,45,15,64,46,16],[17,152,122,4,153,123],[29,74,46,14,75,47],[49,54,24,10,55,25],[24,45,15,46,46,16],[4,152,122,18,153,123],[13,74,46,32,75,47],[48,54,24,14,55,25],[42,45,15,32,46,16],[20,147,117,4,148,118],[40,75,47,7,76,48],[43,54,24,22,55,25],[10,45,15,67,46,16],[19,148,118,6,149,119],[18,75,47,31,76,48],[34,54,24,34,55,25],[20,45,15,61,46,16]],p.getRSBlocks=function(a,b){var c=p.getRsBlockTable(a,b);if(c==undefined)throw new Error("bad rs block @ typeNumber:"+a+"/errorCorrectLevel:"+b);var d=c.length/3,e=new Array;for(var f=0;f<d;f++){var g=c[f*3+0],h=c[f*3+1],i=c[f*3+2];for(var j=0;j<g;j++)e.push(new p(h,i))}return e},p.getRsBlockTable=function(a,b){switch(b){case j.L:return p.RS_BLOCK_TABLE[(a-1)*4+0];case j.M:return p.RS_BLOCK_TABLE[(a-1)*4+1];case j.Q:return p.RS_BLOCK_TABLE[(a-1)*4+2];case j.H:return p.RS_BLOCK_TABLE[(a-1)*4+3];default:return undefined}},q.prototype={get:function(a){var b=Math.floor(a/8);return(this.buffer[b]>>>7-a%8&1)==1},put:function(a,b){for(var c=0;c<b;c++)this.putBit((a>>>b-c-1&1)==1)},getLengthInBits:function(){return this.length},putBit:function(a){var b=Math.floor(this.length/8);this.buffer.length<=b&&this.buffer.push(0),a&&(this.buffer[b]|=128>>>this.length%8),this.length++}}}),require.define("/lib/qrcapacitytable.js",function(a,b,c,d,e){c.QRCapacityTable=[[17,14,11,7],[32,26,20,14],[53,42,32,24],[78,62,46,34],[106,84,60,44],[134,106,74,58],[154,122,86,64],[192,152,108,84],[230,180,130,98],[271,213,151,119],[321,251,177,137],[367,287,203,155],[425,331,241,177],[458,362,258,194],[520,412,292,220],[586,450,322,250],[644,504,364,280],[718,560,394,310],[792,624,442,338],[858,666,482,382],[929,711,509,403],[1003,779,565,439],[1091,857,611,461],[1171,911,661,511],[1273,997,715,535],[1367,1059,751,593],[1465,1125,805,625],[1528,1190,868,658],[1628,1264,908,698],[1732,1370,982,742],[1840,1452,1030,790],[1952,1538,1112,842],[2068,1628,1168,898],[2188,1722,1228,958],[2303,1809,1283,983],[2431,1911,1351,1051],[2563,1989,1423,1093],[2699,2099,1499,1139],[2809,2213,1579,1219],[2953,2331,1663,1273]]}),require.define("/qrcodeclient.js",function(a,b,c,d,e){var f=a("./lib/qrcode-draw.js");typeof window!="undefined"&&(window.QRCodeLib=f)}),require("/qrcodeclient.js");

lib/qrcode-draw.js

@@ -47,3 +47,4 @@ /*
     var level,
-    error;
+    error,
+    errorCorrectLevel;
     
@@ -50,0 +51,0 @@ var args = Array.prototype.slice.call(arguments);

package.json

 { "name": "qrcode"
  ,"description": "QRCode / 2d Barcode api with both server side and client side support using canvas"
- ,"version": "0.2.4"
+ ,"version": "0.2.5"
  ,"author": "Ryan Day <[e-mail]>"
@@ -17,3 +17,3 @@ ,"keywords": ["canvas", "qrcode", "barcode"]
  ,"dependencies": {
-   "canvas": ">= 0.4.3",
+   "canvas": ">= 0.4.3 <=1.0.4",
    "colors":"*"
@@ -20,0 +20,0 @@ }

README.md

@@ -5,148 +5,140 @@ [![Build Status](https://secure.travis-ci.org/soldair/node-qrcode.png)](http://travis-ci.org/soldair/node-qrcode)
 node-qrcode
-===========
+=
 
+This is a server side QR code/2d barcode generator.
 
-This is a server side QR code / 2d barcode generator.
-it is an extension of "QRCode for JavaScript" which Kazuhiko Arase thankfully mit licensed
+It is an extension of "QRCode for JavaScript" which Kazuhiko Arase thankfully MIT licensed.
 
-the qrcode-draw.js can be used  directly as a client side lib if its appended too or included with lib/qrcode.js
-to use this on the server side please require('qrcode'); =)
+The `qrcode-draw.js` can be used  directly as a client side lib if its appended too or included with `lib/qrcode.js`.
 
-examples
+To use this on the server side please `require('qrcode');` =)
+
+Examples
 --------
-simple test
+A simple server side test...
 
-```js
+    var QRCode = require('qrcode');
+    
+    QRCode.toDataURL('i am a pony!',function(err,url){
+        console.log(url);
+    });
 
-	var QRCode = require('qrcode');
 
-	QRCode.toDataURL('i am a pony!',function(err,url){
-		console.log(url);
-	});
+In your terminal if you install globally...
 
-```
-in your terminal if you install globally
 
-```sh
+    qrcode "hi i want a qrcode"
+    
+    qrcode "i like to save qrs to file" qr.png
 
-	qrcode "hi i want a qrcode"
 
-  qrcode "i like to save qrs to file" qr.png
+In client side HTML...
 
 
-```
+    <!--[if ie]><script type="text/javascript" src="/vendors/excanvas/excanvas.js"></script><![endif]-->
+    <script src="/build/qrcode.js"></script>
+    <canvas id="test"></canvas>
+    <script>
+    
+    var qrcodedraw = new QRCodeLib.QRCodeDraw();
+    
+    qrcodedraw.draw(document.getElementById('test'),"this text will be in the code!", function(error,canvas){
+      if(error){
+         return console.log('Error =( ',error);
+      }
+      console.log('success!');
+    });
+    </script>
 
-in client side html. 
 
-```html
+Remember to put `excanvas.js` and `qrcode.js` somewhere where your browser can find them.
 
-<!--[if ie]><script type="text/javascript" src="/vendors/excanvas/excanvas.js"></script><![endif]-->
-<script src="/build/qrcode.js"></script>
-<canvas id="test"></canvas>
-<script>
+Server Side API
+---
 
-  var qrcodedraw = new qrcodelib.qrcodedraw();
+    QRCode.draw(text, [optional options], cb(error,canvas));
+Returns a node canvas object see https://github.com/LearnBoost/node-canvas for all of the cool node things you can do. Look up the canvas api for the other cool things.
+    
+    QRCode.toDataURL(text, [optional options], cb(error,dataURL));
+Returns mime image/png data url for the 2d barcode.
+    
+    QRCode.save(path, text, [optional options] , cb(error,written));
+Saves png to the path specified returns bytes written.
+    
+    QRCode.drawText(text, [optional options],cb)
+Returns an ascii representation of the qrcode using unicode characters and ansi control codes for background control.
+    
+    QRCode.drawBitArray(text, [optional options], cb(error,bits,width));
+Returns an array with each value being either 0 light or 1 dark and the width of each row.
+This is enough info to render a qrcode any way you want. =)
 
-  qrcodedraw.draw(document.getElementByID('test'),"this text will be in the code!",function(error,canvas){
-    if(error) {
-      return console.log('Error =( ',error);
-    }
-    console.log('success!');
-  });
-</script>
 
-```
+Options
+---------
 
-remeber to put excanvas and qrcode.js somewhere where your browser can find them
+    errorCorrectLevel
 
-server side api
----------------
+Can be one of the values in `qrcode.errorCorrectLevel`.
+Can be a string. one of `"minumum","medium","high","max"`.
+If `undefined`, defaults to H which is max error correction.
+If invalid value, defaults to minimum error correction.
 
-  QRCode.draw(text, [optional options], cb(error,canvas));
-    returns node canvas object see https://github.com/LearnBoost/node-canvas for all of the cool node things you can do
-    look up the canvas api for the other cool things
-
-  QRCode.toDataURL(text, [optional options], cb(error,dataURL));
-    returns mime image/png data url for the 2d barcode 
-
-  QRCode.save(path, text, [optional options] , cb(error,written));
-    saves png to the path specified returns bytes written
-
-  QRCode.drawText(text, [optional options],cb)
-    returns an ascii representation of the qrcode using unicode characters and ansi control codes for background control.
-
-  QRCode.drawBitArray(text, [optional options], cb(error,bits,width));
-    returns an array with each value being either 0 light or 1 dark and the width of each row.
-    this is enough info to render a qrcode any way you want =)
-
-options
----------
-
-  errorCorrectLevel
-    can be one of the values in qrcode.errorCorrectLevel
-    can be a string. one of  "minumum","medium","high","max"
-    if undefined defaults to H which is max error correction
-    if invalid value defaults to minimum error correction
-
 client side api
 ---------------
 
-window.qrcodelib
-  - qrcodelib.qrcodedraw() Constructor
+    window.qrcodelib
 
-qrcode = new qrcodelib.qrcodedraw()
-  - qrcode.draw(canvasElement,text,[optional options],cb);
+`qrcodelib.qrcodedraw()` Constructor
 
+    qrcode = new qrcodelib.qrcodedraw()
+    qrcode.draw(canvasElement,text,[optional options],cb);
 
-for quick client side use:
 
-- run node test/clientsideserver.js
-- open localhost:3031 in your browser
+For quick client side use...
 
-the javascript is in test/clientside.html
+    node test/clientsideserver.js
+    open http://localhost:3031
 
-qr code capacity.
------------------
+The JavaScript is in `test/clientside.html`.
 
-this libary can encode a string up to lengths:
-2953 in error correct level L
-2331 in error correct level M
-1663 in error correct level Q
-1273 in error correct level H
+QR code capacity
+---
 
-the default is H. 
-It can now be changed in an ugly way that wont be supported for more then another few days if you really need to.
-also the default module size at qr version 40 is really too small for the camera on my Nexus 1 and to make it larger i run out of screen to show it. At 40 the barcode scanner even finds random UPC 1d barcodes in the mass of little squares.
-the default module size cannot be changed through the public api at this time.
+This libary can encode a string up to lengths:
 
-install
--------
+- 2953 in error correct level L
+- 2331 in error correct level M
+- 1663 in error correct level Q
+- 1273 in error correct level H
 
-	npm install qrcode
+The default is H. 
 
-	to use qrcode from the command line to save  qrcode images or generate ones you can view in your termial
+It can now be changed in an ugly way that wont be supported for more then another few days if you really need to. Also the default module size at qr version 40 is really too small for the camera on my Nexus 1 and to make it larger i run out of screen to show it. At 40 the barcode scanner even finds random UPC 1d barcodes in the mass of little squares.
+the default module size cannot be changed through the public api at this time.
 
-	npm install -g qrcode 
+Installation
+--
 
+    npm install qrcode
+To use qrcode from the command line to save  qrcode images or generate ones you can view in your terminal...
 
-  node-canvas is a native module and requires dev packages of cairo and pixman to compile. 
-  on ubuntu you can install them with apt-get and npm install will work great.
-
-  ```sh
+    npm install -g qrcode 
+`node-canvas` is a native module and requires dev packages of `cairo` and `pixman` to compile. 
+ On ubuntu you can install them with `apt-get` and `npm install` will work great.
   
-  sudo apt-get install libpixman-1-dev libcairo2-dev
-  ```
-  
-  it is my higest priority for this module to use an all js png encoder and remove this dep.
 
+    sudo apt-get install libpixman-1-dev libcairo2-dev
+It is my higest priority for this module to use an all `js` png encoder and remove this dep.
 
-dependencies
+
+Dependencies
 ------------
-these should be taken care of for you by npm but you should
+These should be taken care of for you by npm but you should...
 
-	npm install canvas
+    npm install canvas
 
-if cairo gives you trouble and you cannot install canvas checkout the canvas site i know tj has setup a way to download and install a version of cairo/pixman for testing.
+If `cairo` gives you trouble and you cannot install `canvas`, checkout the canvas site. I know @tjholowaychuk has setup a way to download and install a version of cairo/pixman for testing.
 
-The word "QR Code" is registered trademark of 
+The word "QR Code" is registered trademark of:
+
 DENSO WAVE INCORPORATED

No alert changes

Improved metrics

Total package byte prevSize

791290

increased by0.01%

Lines of code

4139

increased by0.05%

Worsened metrics

Number of lines in readme file

144

decreased by-5.26%

Dependency changes

• + Addedcanvas@1.0.4(transitive)

• - Removed@mapbox/node-pre-gyp@1.0.11(transitive)

• - Removedabbrev@1.1.1(transitive)

• - Removedagent-base@6.0.2(transitive)

• - Removedansi-regex@5.0.1(transitive)

• - Removedaproba@2.0.0(transitive)

• - Removedare-we-there-yet@2.0.0(transitive)

• - Removedbalanced-match@1.0.2(transitive)

• - Removedbrace-expansion@1.1.11(transitive)

• - Removedcanvas@2.11.2(transitive)

• - Removedchownr@2.0.0(transitive)

• - Removedcolor-support@1.1.3(transitive)

• - Removedconcat-map@0.0.1(transitive)

• - Removedconsole-control-strings@1.1.0(transitive)

• - Removeddebug@4.3.5(transitive)

• - Removeddecompress-response@4.2.1(transitive)

• - Removeddelegates@1.0.0(transitive)

• - Removeddetect-libc@2.0.3(transitive)

• - Removedemoji-regex@8.0.0(transitive)

• - Removedfs-minipass@2.1.0(transitive)

• - Removedfs.realpath@1.0.0(transitive)

• - Removedgauge@3.0.2(transitive)

• - Removedglob@7.2.3(transitive)

• - Removedhas-unicode@2.0.1(transitive)

• - Removedhttps-proxy-agent@5.0.1(transitive)

• - Removedinflight@1.0.6(transitive)

• - Removedinherits@2.0.4(transitive)

• - Removedis-fullwidth-code-point@3.0.0(transitive)

• - Removedmake-dir@3.1.0(transitive)

• - Removedmimic-response@2.1.0(transitive)

• - Removedminimatch@3.1.2(transitive)

• - Removedminipass@3.3.65.0.0(transitive)

• - Removedminizlib@2.1.2(transitive)

• - Removedmkdirp@1.0.4(transitive)

• - Removedms@2.1.2(transitive)

• - Removednan@2.19.0(transitive)

• - Removednode-fetch@2.7.0(transitive)

• - Removednopt@5.0.0(transitive)

• - Removednpmlog@5.0.1(transitive)

• - Removedobject-assign@4.1.1(transitive)

• - Removedonce@1.4.0(transitive)

• - Removedpath-is-absolute@1.0.1(transitive)

• - Removedreadable-stream@3.6.2(transitive)

• - Removedrimraf@3.0.2(transitive)

• - Removedsafe-buffer@5.2.1(transitive)

• - Removedsemver@6.3.17.6.2(transitive)

• - Removedset-blocking@2.0.0(transitive)

• - Removedsignal-exit@3.0.7(transitive)

• - Removedsimple-concat@1.0.1(transitive)

• - Removedsimple-get@3.1.1(transitive)

• - Removedstring-width@4.2.3(transitive)

• - Removedstring_decoder@1.3.0(transitive)

• - Removedstrip-ansi@6.0.1(transitive)

• - Removedtar@6.2.1(transitive)

• - Removedtr46@0.0.3(transitive)

• - Removedutil-deprecate@1.0.2(transitive)

• - Removedwebidl-conversions@3.0.1(transitive)

• - Removedwhatwg-url@5.0.0(transitive)

• - Removedwide-align@1.1.5(transitive)

• - Removedwrappy@1.0.2(transitive)

• - Removedyallist@4.0.0(transitive)

• Updatedcanvas@>= 0.4.3 <=1.0.4