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qrcode.js
1
11var QRCode;
12
13(function () {
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 //---------------------------------------------------------------------
29 function QR8bitByte(data) {
30 this.mode = QRMode.MODE_8BIT_BYTE;
31 this.data = data;
32 this.parsedData = [];
33
34 // Added to support UTF-8 Characters
35 for (var i = 0, l = this.data.length; i < l; i++) {
36 var byteArray = [];
37 var code = this.data.charCodeAt(i);
38
39 if (code > 0x10000) {
40 byteArray[0] = 0xF0 | ((code & 0x1C0000) >>> 18);
41 byteArray[1] = 0x80 | ((code & 0x3F000) >>> 12);
42 byteArray[2] = 0x80 | ((code & 0xFC0) >>> 6);
43 byteArray[3] = 0x80 | (code & 0x3F);
44 } else if (code > 0x800) {
45 byteArray[0] = 0xE0 | ((code & 0xF000) >>> 12);
46 byteArray[1] = 0x80 | ((code & 0xFC0) >>> 6);
47 byteArray[2] = 0x80 | (code & 0x3F);
48 } else if (code > 0x80) {
49 byteArray[0] = 0xC0 | ((code & 0x7C0) >>> 6);
50 byteArray[1] = 0x80 | (code & 0x3F);
51 } else {
52 byteArray[0] = code;
53 }
54
55 this.parsedData.push(byteArray);
56 }
57
58 this.parsedData = Array.prototype.concat.apply([], this.parsedData);
59
60 if (this.parsedData.length != this.data.length) {
61 this.parsedData.unshift(191);
62 this.parsedData.unshift(187);
63 this.parsedData.unshift(239);
64 }
65 }
66
67 QR8bitByte.prototype = {
68 getLength: function (buffer) {
69 return this.parsedData.length;
70 },
71 write: function (buffer) {
72 for (var i = 0, l = this.parsedData.length; i < l; i++) {
73 buffer.put(this.parsedData[i], 8);
74 }
75 }
76 };
77
78 function QRCodeModel(typeNumber, errorCorrectLevel) {
79 this.typeNumber = typeNumber;
80 this.errorCorrectLevel = errorCorrectLevel;
81 this.modules = null;
82 this.moduleCount = 0;
83 this.dataCache = null;
84 this.dataList = [];
85 }
86
87 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);}
88 return this.modules[row][col];},getModuleCount:function(){return this.moduleCount;},
89makeImpl: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;}}
90 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);}
91 if(this.dataCache==null){this.dataCache=QRCodeModel.createData(this.typeNumber,this.errorCorrectLevel,this.dataList);}
92 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;}}
93 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();}}}
94 return qr_mc;},setupTimingPattern:function(){for(var r=8;r<this.moduleCount-8;r++){if(this.modules[r][6]!=null){continue;}
95 this.modules[r][6]=(r%2==0);}
96 for(var c=8;c<this.moduleCount-8;c++){if(this.modules[6][c]!=null){continue;}
97 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;}
98 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;}
99 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;}}
100 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;}}
101 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);}
102 var mask=QRUtil.getMask(maskPattern,row,col-c);if(mask){dark=!dark;}
103 this.modules[row][col-c]=dark;bitIndex--;if(bitIndex==-1){byteIndex++;bitIndex=7;}}}
104 row+=inc;if(row<0||this.moduleCount<=row){row-=inc;inc=-inc;break;}}}},
105 make: function () {
106 if (this.typeNumber < 1) {
107 var typeNumber = 1;
108 for (typeNumber = 1; typeNumber < 40; typeNumber++) {
109 var rsBlocks = QRRSBlock.getRSBlocks(typeNumber, this.errorCorrectLevel);
110
111 var buffer = new QRBitBuffer();
112 var totalDataCount = 0;
113 for (var i = 0; i < rsBlocks.length; i++) {
114 totalDataCount += rsBlocks[i].dataCount;
115 }
116
117 for (var i = 0; i < this.dataList.length; i++) {
118 var data = this.dataList[i];
119 buffer.put(data.mode, 4);
120 buffer.put(data.getLength(), QRUtil.getLengthInBits(data.mode, typeNumber));
121 data.write(buffer);
122 }
123 if (buffer.getLengthInBits() <= totalDataCount * 8)
124 break;
125 }
126 this.typeNumber = typeNumber;
127 }
128 this.makeImpl(false, this.getBestMaskPattern());
129 }};
130QRCodeModel.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);}
131 var totalDataCount=0;for(var i=0;i<rsBlocks.length;i++){totalDataCount+=rsBlocks[i].dataCount;}
132 if(buffer.getLengthInBits()>totalDataCount*8){throw new Error("code length overflow. ("
133 +buffer.getLengthInBits()
134 +">"
135 +totalDataCount*8
136 +")");}
137 if(buffer.getLengthInBits()+4<=totalDataCount*8){buffer.put(0,4);}
138 while(buffer.getLengthInBits()%8!=0){buffer.putBit(false);}
139 while(true){if(buffer.getLengthInBits()>=totalDataCount*8){break;}
140 buffer.put(QRCodeModel.PAD0,8);if(buffer.getLengthInBits()>=totalDataCount*8){break;}
141 buffer.put(QRCodeModel.PAD1,8);}
142 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];}
143 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;}}
144 var totalCodeCount=0;for(var i=0;i<rsBlocks.length;i++){totalCodeCount+=rsBlocks[i].totalCount;}
145 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];}}}
146 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];}}}
147 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)));}
148 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)));}
149 return(data<<12)|d;},getBCHDigit:function(data){var digit=0;while(data!=0){digit++;data>>>=1;}
150 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));}
151 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;}
152 for(var c=-1;c<=1;c++){if(col+c<0||moduleCount<=col+c){continue;}
153 if(r==0&&c==0){continue;}
154 if(dark==qrCode.isDark(row+r,col+c)){sameCount++;}}}
155 if(sameCount>5){lostPoint+=(3+sameCount-5);}}}
156 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;}}}
157 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;}}}
158 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;}}}
159 var darkCount=0;for(var col=0;col<moduleCount;col++){for(var row=0;row<moduleCount;row++){if(qrCode.isDark(row,col)){darkCount++;}}}
160 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+")");}
161 return QRMath.LOG_TABLE[n];},gexp:function(n){while(n<0){n+=255;}
162 while(n>=256){n-=255;}
163 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;}
164 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];}
165 for(var i=0;i<255;i++){QRMath.LOG_TABLE[QRMath.EXP_TABLE[i]]=i;}
166 function QRPolynomial(num,shift){if(num.length==undefined){throw new Error(num.length+"/"+shift);}
167 var offset=0;while(offset<num.length&&num[offset]==0){offset++;}
168 this.num=new Array(num.length-offset+shift);for(var i=0;i<num.length-offset;i++){this.num[i]=num[i+offset];}}
169 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)));}}
170 return new QRPolynomial(num,0);},mod:function(e){if(this.getLength()-e.getLength()<0){return this;}
171 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);}
172 for(var i=0;i<e.getLength();i++){num[i]^=QRMath.gexp(QRMath.glog(e.get(i))+ratio);}
173 return new QRPolynomial(num,0).mod(e);}};function QRRSBlock(totalCount,dataCount){this.totalCount=totalCount;this.dataCount=dataCount;}
174 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);}
175 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));}}
176 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;}
177 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);}
178 if(bit){this.buffer[bufIndex]|=(0x80>>>(this.length%8));}
179 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]];
180
181 function _isSupportCanvas() {
182 return typeof CanvasRenderingContext2D != "undefined";
183 }
184
185 // android 2.x doesn't support Data-URI spec
186 function _getAndroid() {
187 var android = false;
188 var sAgent = navigator.userAgent;
189
190 if (/android/i.test(sAgent)) { // android
191 android = true;
192 var aMat = sAgent.toString().match(/android ([0-9]\.[0-9])/i);
193
194 if (aMat && aMat[1]) {
195 android = parseFloat(aMat[1]);
196 }
197 }
198
199 return android;
200 }
201
202 var svgDrawer = (function() {
203
204 var Drawing = function (el, htOption) {
205 this._el = el;
206 this._htOption = htOption;
207 };
208
209 Drawing.prototype.draw = function (oQRCode) {
210 var _htOption = this._htOption;
211 var _el = this._el;
212 var nCount = oQRCode.getModuleCount();
213 var nWidth = Math.floor(_htOption.width / nCount);
214 var nHeight = Math.floor(_htOption.height / nCount);
215
216 this.clear();
217
218 function makeSVG(tag, attrs) {
219 var el = document.createElementNS('http://www.w3.org/2000/svg', tag);
220 for (var k in attrs)
221 if (attrs.hasOwnProperty(k)) el.setAttribute(k, attrs[k]);
222 return el;
223 }
224
225 var svg = makeSVG("svg" , {'viewBox': '0 0 ' + String(nCount) + " " + String(nCount), 'width': '100%', 'height': '100%', 'fill': _htOption.colorLight});
226 svg.setAttributeNS("http://www.w3.org/2000/xmlns/", "xmlns:xlink", "http://www.w3.org/1999/xlink");
227 _el.appendChild(svg);
228
229 svg.appendChild(makeSVG("rect", {"fill": _htOption.colorLight, "width": "100%", "height": "100%"}));
230 svg.appendChild(makeSVG("rect", {"fill": _htOption.colorDark, "width": "1", "height": "1", "id": "template"}));
231
232 for (var row = 0; row < nCount; row++) {
233 for (var col = 0; col < nCount; col++) {
234 if (oQRCode.isDark(row, col)) {
235 var child = makeSVG("use", {"x": String(col), "y": String(row)});
236 child.setAttributeNS("http://www.w3.org/1999/xlink", "href", "#template")
237 svg.appendChild(child);
238 }
239 }
240 }
241 };
242 Drawing.prototype.clear = function () {
243 while (this._el.hasChildNodes())
244 this._el.removeChild(this._el.lastChild);
245 };
246 return Drawing;
247 })();
248
249 var useSVG = document.documentElement.tagName.toLowerCase() === "svg";
250
251 // Drawing in DOM by using Table tag
252 var Drawing = useSVG ? svgDrawer : !_isSupportCanvas() ? (function () {
253 var Drawing = function (el, htOption) {
254 this._el = el;
255 this._htOption = htOption;
256 };
257
263 Drawing.prototype.draw = function (oQRCode) {
264 var _htOption = this._htOption;
265 var _el = this._el;
266 var nCount = oQRCode.getModuleCount();
267 var nWidth = Math.floor(_htOption.width / nCount);
268 var nHeight = Math.floor(_htOption.height / nCount);
269 var aHTML = ['<table style="border:0;border-collapse:collapse;">'];
270
271 for (var row = 0; row < nCount; row++) {
272 aHTML.push('<tr>');
273
274 for (var col = 0; col < nCount; col++) {
275 aHTML.push('<td style="border:0;border-collapse:collapse;padding:0;margin:0;width:' + nWidth + 'px;height:' + nHeight + 'px;background-color:' + (oQRCode.isDark(row, col) ? _htOption.colorDark : _htOption.colorLight) + ';"></td>');
276 }
277
278 aHTML.push('</tr>');
279 }
280
281 aHTML.push('</table>');
282 _el.innerHTML = aHTML.join('');
283
284 // Fix the margin values as real size.
285 var elTable = _el.childNodes[0];
286 var nLeftMarginTable = (_htOption.width - elTable.offsetWidth) / 2;
287 var nTopMarginTable = (_htOption.height - elTable.offsetHeight) / 2;
288
289 if (nLeftMarginTable > 0 && nTopMarginTable > 0) {
290 elTable.style.margin = nTopMarginTable + "px " + nLeftMarginTable + "px";
291 }
292 };
293
297 Drawing.prototype.clear = function () {
298 this._el.innerHTML = '';
299 };
300
301 return Drawing;
302 })() : (function () { // Drawing in Canvas
303 function _onMakeImage() {
304 this._elImage.src = this._elCanvas.toDataURL("image/png");
305 this._elImage.style.display = "block";
306 this._elCanvas.style.display = "none";
307 }
308
309 // Android 2.1 bug workaround
310 // http://code.google.com/p/android/issues/detail?id=5141
311 if (this._android && this._android <= 2.1) {
312 var factor = 1 / window.devicePixelRatio;
313 var drawImage = CanvasRenderingContext2D.prototype.drawImage;
314 CanvasRenderingContext2D.prototype.drawImage = function (image, sx, sy, sw, sh, dx, dy, dw, dh) {
315 if (("nodeName" in image) && /img/i.test(image.nodeName)) {
316 for (var i = arguments.length - 1; i >= 1; i--) {
317 arguments[i] = arguments[i] * factor;
318 }
319 } else if (typeof dw == "undefined") {
320 arguments[1] *= factor;
321 arguments[2] *= factor;
322 arguments[3] *= factor;
323 arguments[4] *= factor;
324 }
325
326 drawImage.apply(this, arguments);
327 };
328 }
329
337 function _safeSetDataURI(fSuccess, fFail) {
338 var self = this;
339 self._fFail = fFail;
340 self._fSuccess = fSuccess;
341
342 // Check it just once
343 if (self._bSupportDataURI === null) {
344 var el = document.createElement("img");
345 var fOnError = function() {
346 self._bSupportDataURI = false;
347
348 if (self._fFail) {
349 self._fFail.call(self);
350 }
351 };
352 var fOnSuccess = function() {
353 self._bSupportDataURI = true;
354
355 if (self._fSuccess) {
356 self._fSuccess.call(self);
357 }
358 };
359
360 el.onabort = fOnError;
361 el.onerror = fOnError;
362 el.onload = fOnSuccess;
363 el.src = "data:image/gif;base64,iVBORw0KGgoAAAANSUhEUgAAAAUAAAAFCAYAAACNbyblAAAAHElEQVQI12P4//8/w38GIAXDIBKE0DHxgljNBAAO9TXL0Y4OHwAAAABJRU5ErkJggg=="; // the Image contains 1px data.
364 return;
365 } else if (self._bSupportDataURI === true && self._fSuccess) {
366 self._fSuccess.call(self);
367 } else if (self._bSupportDataURI === false && self._fFail) {
368 self._fFail.call(self);
369 }
370 };
371
379 var Drawing = function (el, htOption) {
380 this._bIsPainted = false;
381 this._android = _getAndroid();
382
383 this._htOption = htOption;
384 this._elCanvas = document.createElement("canvas");
385 this._elCanvas.width = htOption.width;
386 this._elCanvas.height = htOption.height;
387 el.appendChild(this._elCanvas);
388 this._el = el;
389 this._oContext = this._elCanvas.getContext("2d");
390 this._bIsPainted = false;
391 this._elImage = document.createElement("img");
392 this._elImage.alt = "Scan me!";
393 this._elImage.style.display = "none";
394 this._el.appendChild(this._elImage);
395 this._bSupportDataURI = null;
396 };
397
403 Drawing.prototype.draw = function (oQRCode) {
404 var _elImage = this._elImage;
405 var _oContext = this._oContext;
406 var _htOption = this._htOption;
407
408 var nCount = oQRCode.getModuleCount();
409 var nWidth = _htOption.width / nCount;
410 var nHeight = _htOption.height / nCount;
411 var nRoundedWidth = Math.round(nWidth);
412 var nRoundedHeight = Math.round(nHeight);
413
414 _elImage.style.display = "none";
415 this.clear();
416
417 for (var row = 0; row < nCount; row++) {
418 for (var col = 0; col < nCount; col++) {
419 var bIsDark = oQRCode.isDark(row, col);
420 var nLeft = col * nWidth;
421 var nTop = row * nHeight;
422 _oContext.strokeStyle = bIsDark ? _htOption.colorDark : _htOption.colorLight;
423 _oContext.lineWidth = 1;
424 _oContext.fillStyle = bIsDark ? _htOption.colorDark : _htOption.colorLight;
425 _oContext.fillRect(nLeft, nTop, nWidth, nHeight);
426
427 // 안티 앨리어싱 방지 처리
428 _oContext.strokeRect(
429 Math.floor(nLeft) + 0.5,
430 Math.floor(nTop) + 0.5,
431 nRoundedWidth,
432 nRoundedHeight
433 );
434
435 _oContext.strokeRect(
436 Math.ceil(nLeft) - 0.5,
437 Math.ceil(nTop) - 0.5,
438 nRoundedWidth,
439 nRoundedHeight
440 );
441 }
442 }
443
444 this._bIsPainted = true;
445 };
446
450 Drawing.prototype.makeImage = function () {
451 if (this._bIsPainted) {
452 _safeSetDataURI.call(this, _onMakeImage);
453 }
454 };
455
461 Drawing.prototype.isPainted = function () {
462 return this._bIsPainted;
463 };
464
468 Drawing.prototype.clear = function () {
469 this._oContext.clearRect(0, 0, this._elCanvas.width, this._elCanvas.height);
470 this._bIsPainted = false;
471 };
472
477 Drawing.prototype.round = function (nNumber) {
478 if (!nNumber) {
479 return nNumber;
480 }
481
482 return Math.floor(nNumber * 1000) / 1000;
483 };
484
485 return Drawing;
486 })();
487
496 function _getTypeNumber(sText, nCorrectLevel) {
497 var nType = 1;
498 var length = _getUTF8Length(sText);
499
500 for (var i = 0, len = QRCodeLimitLength.length; i <= len; i++) {
501 var nLimit = 0;
502
503 switch (nCorrectLevel) {
504 case QRErrorCorrectLevel.L :
505 nLimit = QRCodeLimitLength[i][0];
506 break;
507 case QRErrorCorrectLevel.M :
508 nLimit = QRCodeLimitLength[i][1];
509 break;
510 case QRErrorCorrectLevel.Q :
511 nLimit = QRCodeLimitLength[i][2];
512 break;
513 case QRErrorCorrectLevel.H :
514 nLimit = QRCodeLimitLength[i][3];
515 break;
516 }
517
518 if (length <= nLimit) {
519 break;
520 } else {
521 nType++;
522 }
523 }
524
525 if (nType > QRCodeLimitLength.length) {
526 throw new Error("Too long data");
527 }
528
529 return nType;
530 }
531
532 function _getUTF8Length(sText) {
533 var replacedText = encodeURI(sText).toString().replace(/\%[0-9a-fA-F]{2}/g, 'a');
534 return replacedText.length + (replacedText.length != sText ? 3 : 0);
535 }
536
562 QRCode = function (el, vOption) {
563 this._htOption = {
564 width : 256,
565 height : 256,
566 typeNumber : 4,
567 colorDark : "#000000",
568 colorLight : "#ffffff",
569 correctLevel : QRErrorCorrectLevel.H
570 };
571
572 if (typeof vOption === 'string') {
573 vOption = {
574 text : vOption
575 };
576 }
577
578 // Overwrites options
579 if (vOption) {
580 for (var i in vOption) {
581 this._htOption[i] = vOption[i];
582 }
583 }
584
585 if (typeof el == "string") {
586 el = document.getElementById(el);
587 }
588
589 if (this._htOption.useSVG) {
590 Drawing = svgDrawer;
591 }
592
593 this._android = _getAndroid();
594 this._el = el;
595 this._oQRCode = null;
596 this._oDrawing = new Drawing(this._el, this._htOption);
597
598 if (this._htOption.text) {
599 this.makeCode(this._htOption.text);
600 }
601 };
602
608 QRCode.prototype.makeCode = function (sText) {
609 this._oQRCode = new QRCodeModel(-1, this._htOption.correctLevel);
610 this._oQRCode.addData(sText);
611 this._oQRCode.make();
612 this._el.title = sText;
613 this._oDrawing.draw(this._oQRCode);
614 this.makeImage();
615 };
616 //this._el.title = sText;
617
625 QRCode.prototype.makeImage = function () {
626 if (typeof this._oDrawing.makeImage == "function" && (!this._android || this._android >= 3)) {
627 this._oDrawing.makeImage();
628 }
629 };
630
634 QRCode.prototype.clear = function () {
635 this._oDrawing.clear();
636 };
637
641 QRCode.CorrectLevel = QRErrorCorrectLevel;
642})();