qrcode.vue
Version:
A Vue.js component to generate QRCode.
1,473 lines (1,190 loc) • 40.6 kB
JavaScript
/*!
* qrcode.vue v3.3.3
* A Vue.js component to generate QRCode.
* © 2017-2021 @scopewu(https://github.com/scopewu)
* MIT License.
*/
(function (global, factory) {
typeof exports === 'object' && typeof module !== 'undefined' ? module.exports = factory(require('vue')) :
typeof define === 'function' && define.amd ? define(['vue'], factory) :
(global = typeof globalThis !== 'undefined' ? globalThis : global || self, global.QrcodeVue = factory(global.Vue));
})(this, (function (vue) { 'use strict';
/*! *****************************************************************************
Copyright (c) Microsoft Corporation.
Permission to use, copy, modify, and/or distribute this software for any
purpose with or without fee is hereby granted.
THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES WITH
REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF MERCHANTABILITY
AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY SPECIAL, DIRECT,
INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES WHATSOEVER RESULTING FROM
LOSS OF USE, DATA OR PROFITS, WHETHER IN AN ACTION OF CONTRACT, NEGLIGENCE OR
OTHER TORTIOUS ACTION, ARISING OUT OF OR IN CONNECTION WITH THE USE OR
PERFORMANCE OF THIS SOFTWARE.
***************************************************************************** */
var __assign = function() {
__assign = Object.assign || function __assign(t) {
for (var s, i = 1, n = arguments.length; i < n; i++) {
s = arguments[i];
for (var p in s) if (Object.prototype.hasOwnProperty.call(s, p)) t[p] = s[p];
}
return t;
};
return __assign.apply(this, arguments);
};
var mode$1 = {
MODE_NUMBER : 1 << 0,
MODE_ALPHA_NUM : 1 << 1,
MODE_8BIT_BYTE : 1 << 2,
MODE_KANJI : 1 << 3
};
var mode = mode$1;
function QR8bitByte(data) {
this.mode = mode.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);
}
}
};
var _8BitByte = QR8bitByte;
var ErrorCorrectLevel = {
L : 1,
M : 0,
Q : 3,
H : 2
};
// ErrorCorrectLevel
var ECL = ErrorCorrectLevel;
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 ECL.L :
return QRRSBlock.RS_BLOCK_TABLE[(typeNumber - 1) * 4 + 0];
case ECL.M :
return QRRSBlock.RS_BLOCK_TABLE[(typeNumber - 1) * 4 + 1];
case ECL.Q :
return QRRSBlock.RS_BLOCK_TABLE[(typeNumber - 1) * 4 + 2];
case ECL.H :
return QRRSBlock.RS_BLOCK_TABLE[(typeNumber - 1) * 4 + 3];
default :
return undefined;
}
};
var RSBlock$1 = QRRSBlock;
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++;
}
};
var BitBuffer$1 = QRBitBuffer;
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;
}
var math$2 = QRMath;
var math$1 = math$2;
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] ^= math$1.gexp(math$1.glog(this.get(i) ) + math$1.glog(e.get(j) ) );
}
}
return new QRPolynomial(num, 0);
},
mod : function(e) {
if (this.getLength() - e.getLength() < 0) {
return this;
}
var ratio = math$1.glog(this.get(0) ) - math$1.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] ^= math$1.gexp(math$1.glog(e.get(i) ) + ratio);
}
// recursive call
return new QRPolynomial(num, 0).mod(e);
}
};
var Polynomial$2 = QRPolynomial;
var Mode = mode$1;
var Polynomial$1 = Polynomial$2;
var math = math$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) ) );
}
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 Polynomial$1([1], 0);
for (var i = 0; i < errorCorrectLength; i++) {
a = a.multiply(new Polynomial$1([1, math.gexp(i)], 0) );
}
return a;
},
getLengthInBits : function(mode, type) {
if (1 <= type && type < 10) {
// 1 - 9
switch(mode) {
case Mode.MODE_NUMBER : return 10;
case Mode.MODE_ALPHA_NUM : return 9;
case Mode.MODE_8BIT_BYTE : return 8;
case Mode.MODE_KANJI : return 8;
default :
throw new Error("mode:" + mode);
}
} else if (type < 27) {
// 10 - 26
switch(mode) {
case Mode.MODE_NUMBER : return 12;
case Mode.MODE_ALPHA_NUM : return 11;
case Mode.MODE_8BIT_BYTE : return 16;
case Mode.MODE_KANJI : return 10;
default :
throw new Error("mode:" + mode);
}
} else if (type < 41) {
// 27 - 40
switch(mode) {
case Mode.MODE_NUMBER : return 14;
case Mode.MODE_ALPHA_NUM : return 13;
case Mode.MODE_8BIT_BYTE : return 16;
case Mode.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;
}
};
var util$1 = QRUtil;
var BitByte = _8BitByte;
var RSBlock = RSBlock$1;
var BitBuffer = BitBuffer$1;
var util = util$1;
var Polynomial = Polynomial$2;
function QRCode$1(typeNumber, errorCorrectLevel) {
this.typeNumber = typeNumber;
this.errorCorrectLevel = errorCorrectLevel;
this.modules = null;
this.moduleCount = 0;
this.dataCache = null;
this.dataList = [];
}
// for client side minification
var proto = QRCode$1.prototype;
proto.addData = function(data) {
var newData = new BitByte(data);
this.dataList.push(newData);
this.dataCache = null;
};
proto.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];
};
proto.getModuleCount = function() {
return this.moduleCount;
};
proto.make = function() {
// Calculate automatically typeNumber if provided is < 1
if (this.typeNumber < 1 ){
var typeNumber = 1;
for (typeNumber = 1; typeNumber < 40; typeNumber++) {
var rsBlocks = RSBlock.getRSBlocks(typeNumber, this.errorCorrectLevel);
var buffer = new BitBuffer();
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(), util.getLengthInBits(data.mode, typeNumber) );
data.write(buffer);
}
if (buffer.getLengthInBits() <= totalDataCount * 8)
break;
}
this.typeNumber = typeNumber;
}
this.makeImpl(false, this.getBestMaskPattern() );
};
proto.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$1.createData(this.typeNumber, this.errorCorrectLevel, this.dataList);
}
this.mapData(this.dataCache, maskPattern);
};
proto.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;
}
}
}
};
proto.getBestMaskPattern = function() {
var minLostPoint = 0;
var pattern = 0;
for (var i = 0; i < 8; i++) {
this.makeImpl(true, i);
var lostPoint = util.getLostPoint(this);
if (i == 0 || minLostPoint > lostPoint) {
minLostPoint = lostPoint;
pattern = i;
}
}
return pattern;
};
proto.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;
};
proto.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);
}
};
proto.setupPositionAdjustPattern = function() {
var pos = util.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;
}
}
}
}
}
};
proto.setupTypeNumber = function(test) {
var bits = util.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;
}
};
proto.setupTypeInfo = function(test, maskPattern) {
var data = (this.errorCorrectLevel << 3) | maskPattern;
var bits = util.getBCHTypeInfo(data);
// vertical
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;
}
}
// horizontal
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;
}
}
// fixed module
this.modules[this.moduleCount - 8][8] = (!test);
};
proto.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 = util.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$1.PAD0 = 0xEC;
QRCode$1.PAD1 = 0x11;
QRCode$1.createData = function(typeNumber, errorCorrectLevel, dataList) {
var rsBlocks = RSBlock.getRSBlocks(typeNumber, errorCorrectLevel);
var buffer = new BitBuffer();
for (var i = 0; i < dataList.length; i++) {
var data = dataList[i];
buffer.put(data.mode, 4);
buffer.put(data.getLength(), util.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 code
if (buffer.getLengthInBits() + 4 <= totalDataCount * 8) {
buffer.put(0, 4);
}
// padding
while (buffer.getLengthInBits() % 8 != 0) {
buffer.putBit(false);
}
// padding
while (true) {
if (buffer.getLengthInBits() >= totalDataCount * 8) {
break;
}
buffer.put(QRCode$1.PAD0, 8);
if (buffer.getLengthInBits() >= totalDataCount * 8) {
break;
}
buffer.put(QRCode$1.PAD1, 8);
}
return QRCode$1.createBytes(buffer, rsBlocks);
};
QRCode$1.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 = util.getErrorCorrectPolynomial(ecCount);
var rawPoly = new Polynomial(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;
};
var QRCode_1 = QRCode$1;
var defaultErrorCorrectLevel = 'H';
// Thanks the `qrcode.react`
var SUPPORTS_PATH2D = (function () {
try {
new Path2D().addPath(new Path2D());
}
catch (e) {
return false;
}
return true;
})();
function QRCode(data, level) {
var errorCorrectLevel = ErrorCorrectLevel[level];
// We'll use type===-1 to force QRCode to automatically pick the best type
var qrcode = new QRCode_1(-1, errorCorrectLevel);
qrcode.addData(toUTF8String(data));
qrcode.make();
return qrcode;
}
function validErrorCorrectLevel(level) {
return level in ErrorCorrectLevel;
}
/**
* Encode UTF16 to UTF8.
* See: http://jonisalonen.com/2012/from-utf-16-to-utf-8-in-javascript/
* @param str {string}
* @returns {string}
*/
function toUTF8String(str) {
var utf8Str = '';
for (var i = 0; i < str.length; i++) {
var charCode = str.charCodeAt(i);
if (charCode < 0x0080) {
utf8Str += String.fromCharCode(charCode);
}
else if (charCode < 0x0800) {
utf8Str += String.fromCharCode(0xc0 | (charCode >> 6));
utf8Str += String.fromCharCode(0x80 | (charCode & 0x3f));
}
else if (charCode < 0xd800 || charCode >= 0xe000) {
utf8Str += String.fromCharCode(0xe0 | (charCode >> 12));
utf8Str += String.fromCharCode(0x80 | ((charCode >> 6) & 0x3f));
utf8Str += String.fromCharCode(0x80 | (charCode & 0x3f));
}
else {
// surrogate pair
i++;
// UTF-16 encodes 0x10000-0x10FFFF by
// subtracting 0x10000 and splitting the
// 20 bits of 0x0-0xFFFFF into two halves
charCode =
0x10000 + (((charCode & 0x3ff) << 10) | (str.charCodeAt(i) & 0x3ff));
utf8Str += String.fromCharCode(0xf0 | (charCode >> 18));
utf8Str += String.fromCharCode(0x80 | ((charCode >> 12) & 0x3f));
utf8Str += String.fromCharCode(0x80 | ((charCode >> 6) & 0x3f));
utf8Str += String.fromCharCode(0x80 | (charCode & 0x3f));
}
}
return utf8Str;
}
function generatePath(modules, margin) {
if (margin === void 0) { margin = 0; }
var ops = [];
modules.forEach(function (row, y) {
var start = null;
row.forEach(function (cell, x) {
if (!cell && start !== null) {
// M0 0h7v1H0z injects the space with the move and drops the comma,
// saving a char per operation
ops.push("M" + (start + margin) + " " + (y + margin) + "h" + (x - start) + "v1H" + (start + margin) + "z");
start = null;
return;
}
// end of row, clean up or skip
if (x === row.length - 1) {
if (!cell) {
// We would have closed the op above already so this can only mean
// 2+ light modules in a row.
return;
}
if (start === null) {
// Just a single dark module.
ops.push("M" + (x + margin) + "," + (y + margin) + " h1v1H" + (x + margin) + "z");
}
else {
// Otherwise finish the current line.
ops.push("M" + (start + margin) + "," + (y + margin) + " h" + (x + 1 - start) + "v1H" + (start + margin) + "z");
}
return;
}
if (cell && start === null) {
start = x;
}
});
});
return ops.join('');
}
var QRCodeProps = {
value: {
type: String,
required: true,
"default": '',
},
size: {
type: Number,
"default": 100,
},
level: {
type: String,
"default": defaultErrorCorrectLevel,
validator: function (l) { return validErrorCorrectLevel(l); },
},
background: {
type: String,
"default": '#fff',
},
foreground: {
type: String,
"default": '#000',
},
margin: {
type: Number,
required: false,
"default": 0,
},
};
var QRCodeVueProps = __assign(__assign({}, QRCodeProps), { renderAs: {
type: String,
required: false,
"default": 'canvas',
validator: function (as) { return ['canvas', 'svg'].indexOf(as) > -1; },
} });
var QRCodeSvg = vue.defineComponent({
name: 'QRCodeSvg',
props: QRCodeProps,
setup: function (props) {
var numCells = vue.ref(0);
var fgPath = vue.ref('');
var generate = function () {
var value = props.value, level = props.level, margin = props.margin;
var cells = QRCode(value, level).modules;
numCells.value = cells.length + margin * 2;
// Drawing strategy: instead of a rect per module, we're going to create a
// single path for the dark modules and layer that on top of a light rect,
// for a total of 2 DOM nodes. We pay a bit more in string concat but that's
// way faster than DOM ops.
// For level 1, 441 nodes -> 2
// For level 40, 31329 -> 2
fgPath.value = generatePath(cells, margin);
};
generate();
vue.onUpdated(generate);
return function () { return vue.h('svg', {
width: props.size,
height: props.size,
'shape-rendering': "crispEdges",
xmlns: 'http://www.w3.org/2000/svg',
viewBox: "0 0 " + numCells.value + " " + numCells.value,
}, [
vue.h('path', {
fill: props.background,
d: "M0,0 h" + numCells.value + "v" + numCells.value + "H0z",
}),
vue.h('path', { fill: props.foreground, d: fgPath.value }),
]); };
},
});
var QRCodeCanvas = vue.defineComponent({
name: 'QRCodeCanvas',
props: QRCodeProps,
setup: function (props) {
var canvasEl = vue.ref(null);
var generate = function () {
var value = props.value, level = props.level, size = props.size, margin = props.margin, background = props.background, foreground = props.foreground;
var cells = QRCode(value, level).modules;
var numCells = cells.length + margin * 2;
var canvas = canvasEl.value;
if (!canvas) {
return;
}
var ctx = canvas.getContext('2d');
if (!ctx) {
return;
}
var devicePixelRatio = window.devicePixelRatio || 1;
var scale = (size / numCells) * devicePixelRatio;
canvas.height = canvas.width = size * devicePixelRatio;
ctx.scale(scale, scale);
ctx.fillStyle = background;
ctx.fillRect(0, 0, numCells, numCells);
ctx.fillStyle = foreground;
if (SUPPORTS_PATH2D) {
ctx.fill(new Path2D(generatePath(cells, margin)));
}
else {
cells.forEach(function (row, rdx) {
row.forEach(function (cell, cdx) {
if (cell) {
ctx.fillRect(cdx + margin, rdx + margin, 1, 1);
}
});
});
}
};
vue.onMounted(generate);
vue.onUpdated(generate);
return function () { return vue.h('canvas', {
ref: canvasEl,
style: { width: props.size + "px", height: props.size + "px" },
}); };
},
});
var QrcodeVue = vue.defineComponent({
name: 'Qrcode',
render: function () {
var _a = this.$props, renderAs = _a.renderAs, value = _a.value, _size = _a.size, _margin = _a.margin, _level = _a.level, background = _a.background, foreground = _a.foreground;
var size = _size >>> 0;
var margin = _margin >>> 0;
var level = validErrorCorrectLevel(_level) ? _level : defaultErrorCorrectLevel;
return vue.h(renderAs === 'svg' ? QRCodeSvg : QRCodeCanvas, { value: value, size: size, margin: margin, level: level, background: background, foreground: foreground });
},
props: QRCodeVueProps,
});
return QrcodeVue;
}));