以下是 jquery二维码生成插件js代码 的示例演示效果:
部分效果截图:
HTML代码(index.html):
<!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Transitional//EN" "http://www.w3.org/TR/xhtml1/DTD/xhtml1-transitional.dtd">
<html xmlns="http://www.w3.org/1999/xhtml">
<head>
<meta http-equiv="Content-Type" content="text/html; charset=utf-8" />
<title>jquery二维码生成插件</title>
</head>
<body>
<script src="js/jquery.min.js"></script>
<script type="text/javascript" src="js/jquery.qrcode.js"></script>
<script type="text/javascript" src="js/qrcode.js"></script>
<center><br>
<p>Render in table</p>
<div id="qrcodeTable"></div>
<script type="text/javascript">
jQuery('#qrcodeTable').qrcode({
render : "table",
text : "www.baidu.com",
width:"300",
height:"300"
});
</script> </center>
<br><br><br><br><br><br><br><br>
<br><br><br><br><br><br><br><br>
</body>
</html>
JS代码(qrcode.js):
//---------------------------------------------------------------------// QRCode for JavaScript//// Copyright (c) 2009 Kazuhiko Arase//// URL:http://www.d-project.com///// Licensed under the MIT license:// http://www.opensource.org/licenses/mit-license.php//// The word "QR Code" is registered trademark of// DENSO WAVE INCORPORATED// http://www.denso-wave.com/qrcode/faqpatent-e.html////---------------------------------------------------------------------//---------------------------------------------------------------------// QR8bitByte//---------------------------------------------------------------------function QR8bitByte(data){
this.mode = QRMode.MODE_8BIT_BYTE;
this.data = data;
}
QR8bitByte.prototype ={
getLength:function(buffer){
return this.data.length;
}
,write:function(buffer){
for (var i = 0;
i < this.data.length;
i++){
// not JIS ...buffer.put(this.data.charCodeAt(i),8);
}
}
}
;
//---------------------------------------------------------------------// QRCode//---------------------------------------------------------------------function QRCode(typeNumber,errorCorrectLevel){
this.typeNumber = typeNumber;
this.errorCorrectLevel = errorCorrectLevel;
this.modules = null;
this.moduleCount = 0;
this.dataCache = null;
this.dataList = new Array();
}
QRCode.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);
}
return this.modules[row][col];
}
,getModuleCount:function(){
return this.moduleCount;
}
,make:function(){
// Calculate automatically typeNumber if provided is < 1if (this.typeNumber < 1 ){
var typeNumber = 1;
for (typeNumber = 1;
typeNumber < 40;
typeNumber++){
var rsBlocks = QRRSBlock.getRSBlocks(typeNumber,this.errorCorrectLevel);
var buffer = new QRBitBuffer();
var totalDataCount = 0;
for (var i = 0;
i < rsBlocks.length;
i++){
totalDataCount += rsBlocks[i].dataCount;
}
for (var i = 0;
i < this.dataList.length;
i++){
var data = this.dataList[i];
buffer.put(data.mode,4);
buffer.put(data.getLength(),QRUtil.getLengthInBits(data.mode,typeNumber) );
data.write(buffer);
}
if (buffer.getLengthInBits() <= totalDataCount * 8)break;
}
this.typeNumber = typeNumber;
}
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;
//(col + row) % 3;
}
}
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);
}
if (this.dataCache == null){
this.dataCache = QRCode.createData(this.typeNumber,this.errorCorrectLevel,this.dataList);
}
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;
}
}
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();
}
}
}
return qr_mc;
}
,setupTimingPattern:function(){
for (var r = 8;
r < this.moduleCount - 8;
r++){
if (this.modules[r][6] != null){
continue;
}
this.modules[r][6] = (r % 2 == 0);
}
for (var c = 8;
c < this.moduleCount - 8;
c++){
if (this.modules[6][c] != null){
continue;
}
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;
}
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;
}
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);
// verticalfor (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;
}
}
// horizontalfor (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;
}
}
// fixed modulethis.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);
}
var mask = QRUtil.getMask(maskPattern,row,col - c);
if (mask){
dark = !dark;
}
this.modules[row][col - c] = dark;
bitIndex--;
if (bitIndex == -1){
byteIndex++;
bitIndex = 7;
}
}
}
row += inc;
if (row < 0 || this.moduleCount <= row){
row -= inc;
inc = -inc;
break;
}
}
}
}
}
;
QRCode.PAD0 = 0xEC;
QRCode.PAD1 = 0x11;
QRCode.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);
}
// calc num max data.var totalDataCount = 0;
for (var i = 0;
i < rsBlocks.length;
i++){
totalDataCount += rsBlocks[i].dataCount;
}
if (buffer.getLengthInBits() > totalDataCount * 8){
throw new Error("code length overflow. ("+ buffer.getLengthInBits()+ ">"+ totalDataCount * 8+ ")");
}
// end codeif (buffer.getLengthInBits() + 4 <= totalDataCount * 8){
buffer.put(0,4);
}
// paddingwhile (buffer.getLengthInBits() % 8 != 0){
buffer.putBit(false);
}
// paddingwhile (true){
if (buffer.getLengthInBits() >= totalDataCount * 8){
break;
}
buffer.put(QRCode.PAD0,8);
if (buffer.getLengthInBits() >= totalDataCount * 8){
break;
}
buffer.put(QRCode.PAD1,8);
}
return QRCode.createBytes(buffer,rsBlocks);
}
QRCode.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];
}
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;
}
}
var totalCodeCount = 0;
for (var i = 0;
i < rsBlocks.length;
i++){
totalCodeCount += rsBlocks[i].totalCount;
}
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];
}
}
}
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];
}
}
}
return data;
}
//---------------------------------------------------------------------// QRMode//---------------------------------------------------------------------var QRMode ={
MODE_NUMBER:1 << 0,MODE_ALPHA_NUM:1 << 1,MODE_8BIT_BYTE:1 << 2,MODE_KANJI:1 << 3}
;
//---------------------------------------------------------------------// QRErrorCorrectLevel//---------------------------------------------------------------------var QRErrorCorrectLevel ={
L:1,M:0,Q:3,H:2}
;
//---------------------------------------------------------------------// QRMaskPattern//---------------------------------------------------------------------var QRMaskPattern ={
PATTERN000:0,PATTERN001:1,PATTERN010:2,PATTERN011:3,PATTERN100:4,PATTERN101:5,PATTERN110:6,PATTERN111:7}
;
//---------------------------------------------------------------------// QRUtil//---------------------------------------------------------------------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) ) );
}
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) ) );
}
return (data << 12) | d;
}
,getBCHDigit:function(data){
var digit = 0;
while (data != 0){
digit++;
data >>>= 1;
}
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) );
}
return a;
}
,getLengthInBits:function(mode,type){
if (1 <= type && type < 10){
// 1 - 9 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){
// 10 - 26 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){
// 27 - 40 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;
// LEVEL1 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;
}
for (var c = -1;
c <= 1;
c++){
if (col + c < 0 || moduleCount <= col + c){
continue;
}
if (r == 0 && c == 0){
continue;
}
if (dark == qrCode.isDark(row + r,col + c) ){
sameCount++;
}
}
}
if (sameCount > 5){
lostPoint += (3 + sameCount - 5);
}
}
}
// LEVEL2 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;
}
}
}
// LEVEL3 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;
}
}
}
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;
}
}
}
// LEVEL4 var darkCount = 0;
for (var col = 0;
col < moduleCount;
col++){
for (var row = 0;
row < moduleCount;
row++){
if (qrCode.isDark(row,col) ){
darkCount++;
}
}
}
var ratio = Math.abs(100 * darkCount / moduleCount / moduleCount - 50) / 5;
lostPoint += ratio * 10;
return lostPoint;
}
}
;
//---------------------------------------------------------------------// QRMath//---------------------------------------------------------------------var QRMath ={
glog:function(n){
if (n < 1){
throw new Error("glog(" + n + ")");
}
return QRMath.LOG_TABLE[n];
}
,gexp:function(n){
while (n < 0){
n += 255;
}
while (n >= 256){
n -= 255;
}
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;
}
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];
}
for (var i = 0;
i < 255;
i++){
QRMath.LOG_TABLE[QRMath.EXP_TABLE[i] ] = i;
}
//---------------------------------------------------------------------// QRPolynomial//---------------------------------------------------------------------function QRPolynomial(num,shift){
if (num.length == undefined){
throw new Error(num.length + "/" + shift);
}
var offset = 0;
while (offset < num.length && num[offset] == 0){
offset++;
}
this.num = new Array(num.length - offset + shift);
for (var i = 0;
i < num.length - offset;
i++){
this.num[i] = num[i + offset];
}
}
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) ) );
}
}
return new QRPolynomial(num,0);
}
,mod:function(e){
if (this.getLength() - e.getLength() < 0){
return this;
}
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);
}
for (var i = 0;
i < e.getLength();
i++){
num[i] ^= QRMath.gexp(QRMath.glog(e.get(i) ) + ratio);
}
// recursive callreturn new QRPolynomial(num,0).mod(e);
}
}
;
//---------------------------------------------------------------------// QRRSBlock//---------------------------------------------------------------------function QRRSBlock(totalCount,dataCount){
this.totalCount = totalCount;
this.dataCount = dataCount;
}
QRRSBlock.RS_BLOCK_TABLE = [// L// M// Q// H// 1[1,26,19],[1,26,16],[1,26,13],[1,26,9],// 2[1,44,34],[1,44,28],[1,44,22],[1,44,16],// 3[1,70,55],[1,70,44],[2,35,17],[2,35,13],// 4[1,100,80],[2,50,32],[2,50,24],[4,25,9],// 5[1,134,108],[2,67,43],[2,33,15,2,34,16],[2,33,11,2,34,12],// 6[2,86,68],[4,43,27],[4,43,19],[4,43,15],// 7[2,98,78],[4,49,31],[2,32,14,4,33,15],[4,39,13,1,40,14],// 8[2,121,97],[2,60,38,2,61,39],[4,40,18,2,41,19],[4,40,14,2,41,15],// 9[2,146,116],[3,58,36,2,59,37],[4,36,16,4,37,17],[4,36,12,4,37,13],// 10[2,86,68,2,87,69],[4,69,43,1,70,44],[6,43,19,2,44,20],[6,43,15,2,44,16],// 11[4,101,81],[1,80,50,4,81,51],[4,50,22,4,51,23],[3,36,12,8,37,13],// 12[2,116,92,2,117,93],[6,58,36,2,59,37],[4,46,20,6,47,21],[7,42,14,4,43,15],// 13[4,133,107],[8,59,37,1,60,38],[8,44,20,4,45,21],[12,33,11,4,34,12],// 14[3,145,115,1,146,116],[4,64,40,5,65,41],[11,36,16,5,37,17],[11,36,12,5,37,13],// 15[5,109,87,1,110,88],[5,65,41,5,66,42],[5,54,24,7,55,25],[11,36,12],// 16[5,122,98,1,123,99],[7,73,45,3,74,46],[15,43,19,2,44,20],[3,45,15,13,46,16],// 17[1,135,107,5,136,108],[10,74,46,1,75,47],[1,50,22,15,51,23],[2,42,14,17,43,15],// 18[5,150,120,1,151,121],[9,69,43,4,70,44],[17,50,22,1,51,23],[2,42,14,19,43,15],// 19[3,141,113,4,142,114],[3,70,44,11,71,45],[17,47,21,4,48,22],[9,39,13,16,40,14],// 20[3,135,107,5,136,108],[3,67,41,13,68,42],[15,54,24,5,55,25],[15,43,15,10,44,16],// 21[4,144,116,4,145,117],[17,68,42],[17,50,22,6,51,23],[19,46,16,6,47,17],// 22[2,139,111,7,140,112],[17,74,46],[7,54,24,16,55,25],[34,37,13],// 23[4,151,121,5,152,122],[4,75,47,14,76,48],[11,54,24,14,55,25],[16,45,15,14,46,16],// 24[6,147,117,4,148,118],[6,73,45,14,74,46],[11,54,24,16,55,25],[30,46,16,2,47,17],// 25[8,132,106,4,133,107],[8,75,47,13,76,48],[7,54,24,22,55,25],[22,45,15,13,46,16],// 26[10,142,114,2,143,115],[19,74,46,4,75,47],[28,50,22,6,51,23],[33,46,16,4,47,17],// 27[8,152,122,4,153,123],[22,73,45,3,74,46],[8,53,23,26,54,24],[12,45,15,28,46,16],// 28[3,147,117,10,148,118],[3,73,45,23,74,46],[4,54,24,31,55,25],[11,45,15,31,46,16],// 29[7,146,116,7,147,117],[21,73,45,7,74,46],[1,53,23,37,54,24],[19,45,15,26,46,16],// 30[5,145,115,10,146,116],[19,75,47,10,76,48],[15,54,24,25,55,25],[23,45,15,25,46,16],// 31[13,145,115,3,146,116],[2,74,46,29,75,47],[42,54,24,1,55,25],[23,45,15,28,46,16],// 32[17,145,115],[10,74,46,23,75,47],[10,54,24,35,55,25],[19,45,15,35,46,16],// 33[17,145,115,1,146,116],[14,74,46,21,75,47],[29,54,24,19,55,25],[11,45,15,46,46,16],// 34[13,145,115,6,146,116],[14,74,46,23,75,47],[44,54,24,7,55,25],[59,46,16,1,47,17],// 35[12,151,121,7,152,122],[12,75,47,26,76,48],[39,54,24,14,55,25],[22,45,15,41,46,16],// 36[6,151,121,14,152,122],[6,75,47,34,76,48],[46,54,24,10,55,25],[2,45,15,64,46,16],// 37[17,152,122,4,153,123],[29,74,46,14,75,47],[49,54,24,10,55,25],[24,45,15,46,46,16],// 38[4,152,122,18,153,123],[13,74,46,32,75,47],[48,54,24,14,55,25],[42,45,15,32,46,16],// 39[20,147,117,4,148,118],[40,75,47,7,76,48],[43,54,24,22,55,25],[10,45,15,67,46,16],// 40[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);
}
var length = rsBlock.length / 3;
var list = new Array();
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) );
}
}
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;
}
}
//---------------------------------------------------------------------// QRBitBuffer//---------------------------------------------------------------------function QRBitBuffer(){
this.buffer = new Array();
this.length = 0;
}
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);
}
if (bit){
this.buffer[bufIndex] |= (0x80 >>> (this.length % 8) );
}
this.length++;
}
}
;
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