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  1. /**
  2. * @fileoverview
  3. * - modified davidshimjs/qrcodejs library for use in node.js
  4. * - Using the 'QRCode for Javascript library'
  5. * - Fixed dataset of 'QRCode for Javascript library' for support full-spec.
  6. * - this library has no dependencies.
  7. *
  8. * @version 0.9.1 (2016-02-12)
  9. * @author davidshimjs, papnkukn
  10. * @see <a href="http://www.d-project.com/" target="_blank">http://www.d-project.com/</a>
  11. * @see <a href="http://jeromeetienne.github.com/jquery-qrcode/" target="_blank">http://jeromeetienne.github.com/jquery-qrcode/</a>
  12. * @see <a href="https://github.com/davidshimjs/qrcodejs" target="_blank">https://github.com/davidshimjs/qrcodejs</a>
  13. */
  14. //---------------------------------------------------------------------
  15. // QRCode for JavaScript
  16. //
  17. // Copyright (c) 2009 Kazuhiko Arase
  18. //
  19. // URL: http://www.d-project.com/
  20. //
  21. // Licensed under the MIT license:
  22. // http://www.opensource.org/licenses/mit-license.php
  23. //
  24. // The word "QR Code" is registered trademark of
  25. // DENSO WAVE INCORPORATED
  26. // http://www.denso-wave.com/qrcode/faqpatent-e.html
  27. //
  28. // Modified by Neal Wilson to replace the width and height attributes
  29. // of the generated svg with a viewbox for easier scaling.
  30. //
  31. //---------------------------------------------------------------------
  32. function QR8bitByte(data) {
  33. this.mode = QRMode.MODE_8BIT_BYTE;
  34. this.data = data;
  35. this.parsedData = [];
  36. // Added to support UTF-8 Characters
  37. for (var i = 0, l = this.data.length; i < l; i++) {
  38. var byteArray = [];
  39. var code = this.data.charCodeAt(i);
  40. if (code > 0x10000) {
  41. byteArray[0] = 0xF0 | ((code & 0x1C0000) >>> 18);
  42. byteArray[1] = 0x80 | ((code & 0x3F000) >>> 12);
  43. byteArray[2] = 0x80 | ((code & 0xFC0) >>> 6);
  44. byteArray[3] = 0x80 | (code & 0x3F);
  45. } else if (code > 0x800) {
  46. byteArray[0] = 0xE0 | ((code & 0xF000) >>> 12);
  47. byteArray[1] = 0x80 | ((code & 0xFC0) >>> 6);
  48. byteArray[2] = 0x80 | (code & 0x3F);
  49. } else if (code > 0x80) {
  50. byteArray[0] = 0xC0 | ((code & 0x7C0) >>> 6);
  51. byteArray[1] = 0x80 | (code & 0x3F);
  52. } else {
  53. byteArray[0] = code;
  54. }
  55. this.parsedData.push(byteArray);
  56. }
  57. this.parsedData = Array.prototype.concat.apply([], this.parsedData);
  58. if (this.parsedData.length != this.data.length) {
  59. this.parsedData.unshift(191);
  60. this.parsedData.unshift(187);
  61. this.parsedData.unshift(239);
  62. }
  63. }
  64. QR8bitByte.prototype = {
  65. getLength: function (buffer) {
  66. return this.parsedData.length;
  67. },
  68. write: function (buffer) {
  69. for (var i = 0, l = this.parsedData.length; i < l; i++) {
  70. buffer.put(this.parsedData[i], 8);
  71. }
  72. }
  73. };
  74. function QRCodeModel(typeNumber, errorCorrectLevel) {
  75. this.typeNumber = typeNumber;
  76. this.errorCorrectLevel = errorCorrectLevel;
  77. this.modules = null;
  78. this.moduleCount = 0;
  79. this.dataCache = null;
  80. this.dataList = [];
  81. }
  82. QRCodeModel.prototype={addData:function(data){var newData=new QR8bitByte(data);this.dataList.push(newData);this.dataCache=null;},isDark:function(row,col){if(row<0||this.moduleCount<=row||col<0||this.moduleCount<=col){throw new Error(row+","+col);}
  83. return this.modules[row][col];},getModuleCount:function(){return this.moduleCount;},make:function(){this.makeImpl(false,this.getBestMaskPattern());},makeImpl:function(test,maskPattern){this.moduleCount=this.typeNumber*4+17;this.modules=new Array(this.moduleCount);for(var row=0;row<this.moduleCount;row++){this.modules[row]=new Array(this.moduleCount);for(var col=0;col<this.moduleCount;col++){this.modules[row][col]=null;}}
  84. this.setupPositionProbePattern(0,0);this.setupPositionProbePattern(this.moduleCount-7,0);this.setupPositionProbePattern(0,this.moduleCount-7);this.setupPositionAdjustPattern();this.setupTimingPattern();this.setupTypeInfo(test,maskPattern);if(this.typeNumber>=7){this.setupTypeNumber(test);}
  85. if(this.dataCache==null){this.dataCache=QRCodeModel.createData(this.typeNumber,this.errorCorrectLevel,this.dataList);}
  86. this.mapData(this.dataCache,maskPattern);},setupPositionProbePattern:function(row,col){for(var r=-1;r<=7;r++){if(row+r<=-1||this.moduleCount<=row+r)continue;for(var c=-1;c<=7;c++){if(col+c<=-1||this.moduleCount<=col+c)continue;if((0<=r&&r<=6&&(c==0||c==6))||(0<=c&&c<=6&&(r==0||r==6))||(2<=r&&r<=4&&2<=c&&c<=4)){this.modules[row+r][col+c]=true;}else{this.modules[row+r][col+c]=false;}}}},getBestMaskPattern:function(){var minLostPoint=0;var pattern=0;for(var i=0;i<8;i++){this.makeImpl(true,i);var lostPoint=QRUtil.getLostPoint(this);if(i==0||minLostPoint>lostPoint){minLostPoint=lostPoint;pattern=i;}}
  87. return pattern;},createMovieClip:function(target_mc,instance_name,depth){var qr_mc=target_mc.createEmptyMovieClip(instance_name,depth);var cs=1;this.make();for(var row=0;row<this.modules.length;row++){var y=row*cs;for(var col=0;col<this.modules[row].length;col++){var x=col*cs;var dark=this.modules[row][col];if(dark){qr_mc.beginFill(0,100);qr_mc.moveTo(x,y);qr_mc.lineTo(x+cs,y);qr_mc.lineTo(x+cs,y+cs);qr_mc.lineTo(x,y+cs);qr_mc.endFill();}}}
  88. return qr_mc;},setupTimingPattern:function(){for(var r=8;r<this.moduleCount-8;r++){if(this.modules[r][6]!=null){continue;}
  89. this.modules[r][6]=(r%2==0);}
  90. for(var c=8;c<this.moduleCount-8;c++){if(this.modules[6][c]!=null){continue;}
  91. this.modules[6][c]=(c%2==0);}},setupPositionAdjustPattern:function(){var pos=QRUtil.getPatternPosition(this.typeNumber);for(var i=0;i<pos.length;i++){for(var j=0;j<pos.length;j++){var row=pos[i];var col=pos[j];if(this.modules[row][col]!=null){continue;}
  92. for(var r=-2;r<=2;r++){for(var c=-2;c<=2;c++){if(r==-2||r==2||c==-2||c==2||(r==0&&c==0)){this.modules[row+r][col+c]=true;}else{this.modules[row+r][col+c]=false;}}}}}},setupTypeNumber:function(test){var bits=QRUtil.getBCHTypeNumber(this.typeNumber);for(var i=0;i<18;i++){var mod=(!test&&((bits>>i)&1)==1);this.modules[Math.floor(i/3)][i%3+this.moduleCount-8-3]=mod;}
  93. for(var i=0;i<18;i++){var mod=(!test&&((bits>>i)&1)==1);this.modules[i%3+this.moduleCount-8-3][Math.floor(i/3)]=mod;}},setupTypeInfo:function(test,maskPattern){var data=(this.errorCorrectLevel<<3)|maskPattern;var bits=QRUtil.getBCHTypeInfo(data);for(var i=0;i<15;i++){var mod=(!test&&((bits>>i)&1)==1);if(i<6){this.modules[i][8]=mod;}else if(i<8){this.modules[i+1][8]=mod;}else{this.modules[this.moduleCount-15+i][8]=mod;}}
  94. for(var i=0;i<15;i++){var mod=(!test&&((bits>>i)&1)==1);if(i<8){this.modules[8][this.moduleCount-i-1]=mod;}else if(i<9){this.modules[8][15-i-1+1]=mod;}else{this.modules[8][15-i-1]=mod;}}
  95. this.modules[this.moduleCount-8][8]=(!test);},mapData:function(data,maskPattern){var inc=-1;var row=this.moduleCount-1;var bitIndex=7;var byteIndex=0;for(var col=this.moduleCount-1;col>0;col-=2){if(col==6)col--;while(true){for(var c=0;c<2;c++){if(this.modules[row][col-c]==null){var dark=false;if(byteIndex<data.length){dark=(((data[byteIndex]>>>bitIndex)&1)==1);}
  96. var mask=QRUtil.getMask(maskPattern,row,col-c);if(mask){dark=!dark;}
  97. this.modules[row][col-c]=dark;bitIndex--;if(bitIndex==-1){byteIndex++;bitIndex=7;}}}
  98. row+=inc;if(row<0||this.moduleCount<=row){row-=inc;inc=-inc;break;}}}}};QRCodeModel.PAD0=0xEC;QRCodeModel.PAD1=0x11;QRCodeModel.createData=function(typeNumber,errorCorrectLevel,dataList){var rsBlocks=QRRSBlock.getRSBlocks(typeNumber,errorCorrectLevel);var buffer=new QRBitBuffer();for(var i=0;i<dataList.length;i++){var data=dataList[i];buffer.put(data.mode,4);buffer.put(data.getLength(),QRUtil.getLengthInBits(data.mode,typeNumber));data.write(buffer);}
  99. var totalDataCount=0;for(var i=0;i<rsBlocks.length;i++){totalDataCount+=rsBlocks[i].dataCount;}
  100. if(buffer.getLengthInBits()>totalDataCount*8){throw new Error("code length overflow. ("
  101. +buffer.getLengthInBits()
  102. +">"
  103. +totalDataCount*8
  104. +")");}
  105. if(buffer.getLengthInBits()+4<=totalDataCount*8){buffer.put(0,4);}
  106. while(buffer.getLengthInBits()%8!=0){buffer.putBit(false);}
  107. while(true){if(buffer.getLengthInBits()>=totalDataCount*8){break;}
  108. buffer.put(QRCodeModel.PAD0,8);if(buffer.getLengthInBits()>=totalDataCount*8){break;}
  109. buffer.put(QRCodeModel.PAD1,8);}
  110. return QRCodeModel.createBytes(buffer,rsBlocks);};QRCodeModel.createBytes=function(buffer,rsBlocks){var offset=0;var maxDcCount=0;var maxEcCount=0;var dcdata=new Array(rsBlocks.length);var ecdata=new Array(rsBlocks.length);for(var r=0;r<rsBlocks.length;r++){var dcCount=rsBlocks[r].dataCount;var ecCount=rsBlocks[r].totalCount-dcCount;maxDcCount=Math.max(maxDcCount,dcCount);maxEcCount=Math.max(maxEcCount,ecCount);dcdata[r]=new Array(dcCount);for(var i=0;i<dcdata[r].length;i++){dcdata[r][i]=0xff&buffer.buffer[i+offset];}
  111. offset+=dcCount;var rsPoly=QRUtil.getErrorCorrectPolynomial(ecCount);var rawPoly=new QRPolynomial(dcdata[r],rsPoly.getLength()-1);var modPoly=rawPoly.mod(rsPoly);ecdata[r]=new Array(rsPoly.getLength()-1);for(var i=0;i<ecdata[r].length;i++){var modIndex=i+modPoly.getLength()-ecdata[r].length;ecdata[r][i]=(modIndex>=0)?modPoly.get(modIndex):0;}}
  112. var totalCodeCount=0;for(var i=0;i<rsBlocks.length;i++){totalCodeCount+=rsBlocks[i].totalCount;}
  113. var data=new Array(totalCodeCount);var index=0;for(var i=0;i<maxDcCount;i++){for(var r=0;r<rsBlocks.length;r++){if(i<dcdata[r].length){data[index++]=dcdata[r][i];}}}
  114. for(var i=0;i<maxEcCount;i++){for(var r=0;r<rsBlocks.length;r++){if(i<ecdata[r].length){data[index++]=ecdata[r][i];}}}
  115. return data;};var QRMode={MODE_NUMBER:1<<0,MODE_ALPHA_NUM:1<<1,MODE_8BIT_BYTE:1<<2,MODE_KANJI:1<<3};var QRErrorCorrectLevel={L:1,M:0,Q:3,H:2};var QRMaskPattern={PATTERN000:0,PATTERN001:1,PATTERN010:2,PATTERN011:3,PATTERN100:4,PATTERN101:5,PATTERN110:6,PATTERN111:7};var QRUtil={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:(1<<10)|(1<<8)|(1<<5)|(1<<4)|(1<<2)|(1<<1)|(1<<0),G18:(1<<12)|(1<<11)|(1<<10)|(1<<9)|(1<<8)|(1<<5)|(1<<2)|(1<<0),G15_MASK:(1<<14)|(1<<12)|(1<<10)|(1<<4)|(1<<1),getBCHTypeInfo:function(data){var d=data<<10;while(QRUtil.getBCHDigit(d)-QRUtil.getBCHDigit(QRUtil.G15)>=0){d^=(QRUtil.G15<<(QRUtil.getBCHDigit(d)-QRUtil.getBCHDigit(QRUtil.G15)));}
  116. return((data<<10)|d)^QRUtil.G15_MASK;},getBCHTypeNumber:function(data){var d=data<<12;while(QRUtil.getBCHDigit(d)-QRUtil.getBCHDigit(QRUtil.G18)>=0){d^=(QRUtil.G18<<(QRUtil.getBCHDigit(d)-QRUtil.getBCHDigit(QRUtil.G18)));}
  117. return(data<<12)|d;},getBCHDigit:function(data){var digit=0;while(data!=0){digit++;data>>>=1;}
  118. return digit;},getPatternPosition:function(typeNumber){return QRUtil.PATTERN_POSITION_TABLE[typeNumber-1];},getMask:function(maskPattern,i,j){switch(maskPattern){case QRMaskPattern.PATTERN000:return(i+j)%2==0;case QRMaskPattern.PATTERN001:return i%2==0;case QRMaskPattern.PATTERN010:return j%3==0;case QRMaskPattern.PATTERN011:return(i+j)%3==0;case QRMaskPattern.PATTERN100:return(Math.floor(i/2)+Math.floor(j/3))%2==0;case QRMaskPattern.PATTERN101:return(i*j)%2+(i*j)%3==0;case QRMaskPattern.PATTERN110:return((i*j)%2+(i*j)%3)%2==0;case QRMaskPattern.PATTERN111:return((i*j)%3+(i+j)%2)%2==0;default:throw new Error("bad maskPattern:"+maskPattern);}},getErrorCorrectPolynomial:function(errorCorrectLength){var a=new QRPolynomial([1],0);for(var i=0;i<errorCorrectLength;i++){a=a.multiply(new QRPolynomial([1,QRMath.gexp(i)],0));}
  119. return a;},getLengthInBits:function(mode,type){if(1<=type&&type<10){switch(mode){case QRMode.MODE_NUMBER:return 10;case QRMode.MODE_ALPHA_NUM:return 9;case QRMode.MODE_8BIT_BYTE:return 8;case QRMode.MODE_KANJI:return 8;default:throw new Error("mode:"+mode);}}else if(type<27){switch(mode){case QRMode.MODE_NUMBER:return 12;case QRMode.MODE_ALPHA_NUM:return 11;case QRMode.MODE_8BIT_BYTE:return 16;case QRMode.MODE_KANJI:return 10;default:throw new Error("mode:"+mode);}}else if(type<41){switch(mode){case QRMode.MODE_NUMBER:return 14;case QRMode.MODE_ALPHA_NUM:return 13;case QRMode.MODE_8BIT_BYTE:return 16;case QRMode.MODE_KANJI:return 12;default:throw new Error("mode:"+mode);}}else{throw new Error("type:"+type);}},getLostPoint:function(qrCode){var moduleCount=qrCode.getModuleCount();var lostPoint=0;for(var row=0;row<moduleCount;row++){for(var col=0;col<moduleCount;col++){var sameCount=0;var dark=qrCode.isDark(row,col);for(var r=-1;r<=1;r++){if(row+r<0||moduleCount<=row+r){continue;}
  120. for(var c=-1;c<=1;c++){if(col+c<0||moduleCount<=col+c){continue;}
  121. if(r==0&&c==0){continue;}
  122. if(dark==qrCode.isDark(row+r,col+c)){sameCount++;}}}
  123. if(sameCount>5){lostPoint+=(3+sameCount-5);}}}
  124. for(var row=0;row<moduleCount-1;row++){for(var col=0;col<moduleCount-1;col++){var count=0;if(qrCode.isDark(row,col))count++;if(qrCode.isDark(row+1,col))count++;if(qrCode.isDark(row,col+1))count++;if(qrCode.isDark(row+1,col+1))count++;if(count==0||count==4){lostPoint+=3;}}}
  125. for(var row=0;row<moduleCount;row++){for(var col=0;col<moduleCount-6;col++){if(qrCode.isDark(row,col)&&!qrCode.isDark(row,col+1)&&qrCode.isDark(row,col+2)&&qrCode.isDark(row,col+3)&&qrCode.isDark(row,col+4)&&!qrCode.isDark(row,col+5)&&qrCode.isDark(row,col+6)){lostPoint+=40;}}}
  126. for(var col=0;col<moduleCount;col++){for(var row=0;row<moduleCount-6;row++){if(qrCode.isDark(row,col)&&!qrCode.isDark(row+1,col)&&qrCode.isDark(row+2,col)&&qrCode.isDark(row+3,col)&&qrCode.isDark(row+4,col)&&!qrCode.isDark(row+5,col)&&qrCode.isDark(row+6,col)){lostPoint+=40;}}}
  127. var darkCount=0;for(var col=0;col<moduleCount;col++){for(var row=0;row<moduleCount;row++){if(qrCode.isDark(row,col)){darkCount++;}}}
  128. var ratio=Math.abs(100*darkCount/moduleCount/moduleCount-50)/5;lostPoint+=ratio*10;return lostPoint;}};var QRMath={glog:function(n){if(n<1){throw new Error("glog("+n+")");}
  129. return QRMath.LOG_TABLE[n];},gexp:function(n){while(n<0){n+=255;}
  130. while(n>=256){n-=255;}
  131. return QRMath.EXP_TABLE[n];},EXP_TABLE:new Array(256),LOG_TABLE:new Array(256)};for(var i=0;i<8;i++){QRMath.EXP_TABLE[i]=1<<i;}
  132. for(var i=8;i<256;i++){QRMath.EXP_TABLE[i]=QRMath.EXP_TABLE[i-4]^QRMath.EXP_TABLE[i-5]^QRMath.EXP_TABLE[i-6]^QRMath.EXP_TABLE[i-8];}
  133. for(var i=0;i<255;i++){QRMath.LOG_TABLE[QRMath.EXP_TABLE[i]]=i;}
  134. function QRPolynomial(num,shift){if(num.length==undefined){throw new Error(num.length+"/"+shift);}
  135. var offset=0;while(offset<num.length&&num[offset]==0){offset++;}
  136. this.num=new Array(num.length-offset+shift);for(var i=0;i<num.length-offset;i++){this.num[i]=num[i+offset];}}
  137. QRPolynomial.prototype={get:function(index){return this.num[index];},getLength:function(){return this.num.length;},multiply:function(e){var num=new Array(this.getLength()+e.getLength()-1);for(var i=0;i<this.getLength();i++){for(var j=0;j<e.getLength();j++){num[i+j]^=QRMath.gexp(QRMath.glog(this.get(i))+QRMath.glog(e.get(j)));}}
  138. return new QRPolynomial(num,0);},mod:function(e){if(this.getLength()-e.getLength()<0){return this;}
  139. var ratio=QRMath.glog(this.get(0))-QRMath.glog(e.get(0));var num=new Array(this.getLength());for(var i=0;i<this.getLength();i++){num[i]=this.get(i);}
  140. for(var i=0;i<e.getLength();i++){num[i]^=QRMath.gexp(QRMath.glog(e.get(i))+ratio);}
  141. return new QRPolynomial(num,0).mod(e);}};function QRRSBlock(totalCount,dataCount){this.totalCount=totalCount;this.dataCount=dataCount;}
  142. QRRSBlock.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],[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]];QRRSBlock.getRSBlocks=function(typeNumber,errorCorrectLevel){var rsBlock=QRRSBlock.getRsBlockTable(typeNumber,errorCorrectLevel);if(rsBlock==undefined){throw new Error("bad rs block @ typeNumber:"+typeNumber+"/errorCorrectLevel:"+errorCorrectLevel);}
  143. var length=rsBlock.length/3;var list=[];for(var i=0;i<length;i++){var count=rsBlock[i*3+0];var totalCount=rsBlock[i*3+1];var dataCount=rsBlock[i*3+2];for(var j=0;j<count;j++){list.push(new QRRSBlock(totalCount,dataCount));}}
  144. return list;};QRRSBlock.getRsBlockTable=function(typeNumber,errorCorrectLevel){switch(errorCorrectLevel){case QRErrorCorrectLevel.L:return QRRSBlock.RS_BLOCK_TABLE[(typeNumber-1)*4+0];case QRErrorCorrectLevel.M:return QRRSBlock.RS_BLOCK_TABLE[(typeNumber-1)*4+1];case QRErrorCorrectLevel.Q:return QRRSBlock.RS_BLOCK_TABLE[(typeNumber-1)*4+2];case QRErrorCorrectLevel.H:return QRRSBlock.RS_BLOCK_TABLE[(typeNumber-1)*4+3];default:return undefined;}};function QRBitBuffer(){this.buffer=[];this.length=0;}
  145. QRBitBuffer.prototype={get:function(index){var bufIndex=Math.floor(index/8);return((this.buffer[bufIndex]>>>(7-index%8))&1)==1;},put:function(num,length){for(var i=0;i<length;i++){this.putBit(((num>>>(length-i-1))&1)==1);}},getLengthInBits:function(){return this.length;},putBit:function(bit){var bufIndex=Math.floor(this.length/8);if(this.buffer.length<=bufIndex){this.buffer.push(0);}
  146. if(bit){this.buffer[bufIndex]|=(0x80>>>(this.length%8));}
  147. this.length++;}};var QRCodeLimitLength=[[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]];
  148. /** Constructor */
  149. function QRCode(options) {
  150. var instance = this;
  151. //Default options
  152. this.options = {
  153. padding: 4,
  154. width: 256,
  155. height: 256,
  156. typeNumber: 4,
  157. color: "#000000",
  158. background: "#ffffff",
  159. ecl: "M"
  160. };
  161. //In case the options is string
  162. if (typeof options === 'string') {
  163. options = {
  164. content: options
  165. };
  166. }
  167. //Merge options
  168. if (options) {
  169. for (var i in options) {
  170. this.options[i] = options[i];
  171. }
  172. }
  173. if (typeof this.options.content !== 'string') {
  174. throw new Error("Expected 'content' as string!");
  175. }
  176. if (this.options.content.length === 0 /* || this.options.content.length > 7089 */) {
  177. throw new Error("Expected 'content' to be non-empty!");
  178. }
  179. if (!(this.options.padding >= 0)) {
  180. throw new Error("Expected 'padding' value to be non-negative!");
  181. }
  182. if (!(this.options.width > 0) || !(this.options.height > 0)) {
  183. throw new Error("Expected 'width' or 'height' value to be higher than zero!");
  184. }
  185. //Gets the error correction level
  186. function _getErrorCorrectLevel(ecl) {
  187. switch (ecl) {
  188. case "L":
  189. return QRErrorCorrectLevel.L;
  190. case "M":
  191. return QRErrorCorrectLevel.M;
  192. case "Q":
  193. return QRErrorCorrectLevel.Q;
  194. case "H":
  195. return QRErrorCorrectLevel.H;
  196. default:
  197. throw new Error("Unknwon error correction level: " + ecl);
  198. }
  199. }
  200. //Get type number
  201. function _getTypeNumber(content, ecl) {
  202. var length = _getUTF8Length(content);
  203. var type = 1;
  204. var limit = 0;
  205. for (var i = 0, len = QRCodeLimitLength.length; i <= len; i++) {
  206. var table = QRCodeLimitLength[i];
  207. if (!table) {
  208. throw new Error("Content too long: expected " + limit + " but got " + length);
  209. }
  210. switch (ecl) {
  211. case "L":
  212. limit = table[0];
  213. break;
  214. case "M":
  215. limit = table[1];
  216. break;
  217. case "Q":
  218. limit = table[2];
  219. break;
  220. case "H":
  221. limit = table[3];
  222. break;
  223. default:
  224. throw new Error("Unknwon error correction level: " + ecl);
  225. }
  226. if (length <= limit) {
  227. break;
  228. }
  229. type++;
  230. }
  231. if (type > QRCodeLimitLength.length) {
  232. throw new Error("Content too long");
  233. }
  234. return type;
  235. }
  236. //Gets text length
  237. function _getUTF8Length(content) {
  238. var result = encodeURI(content).toString().replace(/\%[0-9a-fA-F]{2}/g, 'a');
  239. return result.length + (result.length != content ? 3 : 0);
  240. }
  241. //Generate QR Code matrix
  242. var content = this.options.content;
  243. var type = _getTypeNumber(content, this.options.ecl);
  244. var ecl = _getErrorCorrectLevel(this.options.ecl);
  245. this.qrcode = new QRCodeModel(type, ecl);
  246. this.qrcode.addData(content);
  247. this.qrcode.make();
  248. }
  249. /** Generates QR Code as SVG image */
  250. QRCode.prototype.svg = function(opt) {
  251. if (typeof opt == "undefined") {
  252. opt = { container: "svg" };
  253. }
  254. var options = this.options;
  255. var modules = this.qrcode.modules;
  256. var EOL = '\r\n';
  257. var width = options.width;
  258. var height = options.height;
  259. var length = modules.length;
  260. var xsize = width / (length + 2 * options.padding);
  261. var ysize = height / (length + 2 * options.padding);
  262. var rect = '<rect x="0" y="0" width="' + width + '" height="' + height + '" style="fill:' + options.background + ';shape-rendering:crispEdges;"/>' + EOL;
  263. for (var y = 0; y < length; y++) {
  264. for (var x = 0; x < length; x++) {
  265. var module = modules[x][y];
  266. if (module) {
  267. var px = (x * xsize + options.padding * xsize).toString();
  268. var py = (y * ysize + options.padding * ysize).toString();
  269. rect += '<rect x="' + px + '" y="' + py + '" width="' + xsize + '" height="' + ysize + '" style="fill:' + options.color + ';shape-rendering:crispEdges;"/>' + EOL;
  270. }
  271. }
  272. }
  273. var svg = "";
  274. switch (opt.container) {
  275. case "svg":
  276. svg += '<svg xmlns="http://www.w3.org/2000/svg" version="1.1" viewbox="0 0 ' + width + ' ' + height + '">' + EOL;
  277. svg += rect;
  278. svg += '</svg>';
  279. break;
  280. case "g":
  281. svg += '<g width="' + width + '" height="' + height + '">' + EOL;
  282. svg += rect;
  283. svg += '</g>';
  284. break;
  285. default:
  286. svg += rect;
  287. break;
  288. }
  289. return svg;
  290. };
  291. /** Writes QR Code image to a file */
  292. QRCode.prototype.save = function(file, callback) {
  293. var data = this.svg();
  294. var fs = require('fs');
  295. fs.writeFile(file, data, callback);
  296. };
  297. if (typeof module != "undefined") {
  298. module.exports = QRCode;
  299. }