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Просмотр файла: qrcode.min.js
(function(f){if(typeof exports==="object"&&typeof module!=="undefined"){module.exports=f()}else if(typeof define==="function"&&define.amd){define([],f)}else{var g;if(typeof window!=="undefined"){g=window}else if(typeof global!=="undefined"){g=global}else if(typeof self!=="undefined"){g=self}else{g=this}g.qrcode = f()}})(function(){var define,module,exports;return (function(){function r(e,n,t){function o(i,f){if(!n[i]){if(!e[i]){var c="function"==typeof require&&require;if(!f&&c)return c(i,!0);if(u)return u(i,!0);var a=new Error("Cannot find module '"+i+"'");throw a.code="MODULE_NOT_FOUND",a}var p=n[i]={exports:{}};e[i][0].call(p.exports,function(r){var n=e[i][1][r];return o(n||r)},p,p.exports,r,e,n,t)}return n[i].exports}for(var u="function"==typeof require&&require,i=0;i<t.length;i++)o(t[i]);return o}return r})()({1:[function(require,module,exports){
//---------------------------------------------------------------------
//
// QR Code Generator 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
//
//---------------------------------------------------------------------
var qrcode = function () {
//---------------------------------------------------------------------
// qrcode
//---------------------------------------------------------------------
/**
* qrcode
* @param typeNumber 1 to 40
* @param errorCorrectionLevel 'L','M','Q','H'
*/
var qrcode = function (typeNumber, errorCorrectionLevel) {
var PAD0 = 0xEC;
var PAD1 = 0x11;
var _typeNumber = typeNumber;
var _errorCorrectionLevel = QRErrorCorrectionLevel[errorCorrectionLevel];
var _modules = null;
var _moduleCount = 0;
var _dataCache = null;
var _dataList = [];
var _this = {};
var makeImpl = function (test, maskPattern) {
_moduleCount = _typeNumber * 4 + 17;
_modules = function (moduleCount) {
var modules = new Array(moduleCount);
for (var row = 0; row < moduleCount; row += 1) {
modules[row] = new Array(moduleCount);
for (var col = 0; col < moduleCount; col += 1) {
modules[row][col] = null;
}
}
return modules;
}(_moduleCount);
setupPositionProbePattern(0, 0);
setupPositionProbePattern(_moduleCount - 7, 0);
setupPositionProbePattern(0, _moduleCount - 7);
setupPositionAdjustPattern();
setupTimingPattern();
setupTypeInfo(test, maskPattern);
if (_typeNumber >= 7) {
setupTypeNumber(test);
}
if (_dataCache == null) {
_dataCache = createData(_typeNumber, _errorCorrectionLevel, _dataList);
}
mapData(_dataCache, maskPattern);
};
var setupPositionProbePattern = function (row, col) {
for (var r = -1; r <= 7; r += 1) {
if (row + r <= -1 || _moduleCount <= row + r) continue;
for (var c = -1; c <= 7; c += 1) {
if (col + c <= -1 || _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) {
_modules[row + r][col + c] = true;
} else {
_modules[row + r][col + c] = false;
}
}
}
};
var getBestMaskPattern = function () {
var minLostPoint = 0;
var pattern = 0;
for (var i = 0; i < 8; i += 1) {
makeImpl(true, i);
var lostPoint = QRUtil.getLostPoint(_this);
if (i == 0 || minLostPoint > lostPoint) {
minLostPoint = lostPoint;
pattern = i;
}
}
return pattern;
};
var setupTimingPattern = function () {
for (var r = 8; r < _moduleCount - 8; r += 1) {
if (_modules[r][6] != null) {
continue;
}
_modules[r][6] = r % 2 == 0;
}
for (var c = 8; c < _moduleCount - 8; c += 1) {
if (_modules[6][c] != null) {
continue;
}
_modules[6][c] = c % 2 == 0;
}
};
var setupPositionAdjustPattern = function () {
var pos = QRUtil.getPatternPosition(_typeNumber);
for (var i = 0; i < pos.length; i += 1) {
for (var j = 0; j < pos.length; j += 1) {
var row = pos[i];
var col = pos[j];
if (_modules[row][col] != null) {
continue;
}
for (var r = -2; r <= 2; r += 1) {
for (var c = -2; c <= 2; c += 1) {
if (r == -2 || r == 2 || c == -2 || c == 2 || r == 0 && c == 0) {
_modules[row + r][col + c] = true;
} else {
_modules[row + r][col + c] = false;
}
}
}
}
}
};
var setupTypeNumber = function (test) {
var bits = QRUtil.getBCHTypeNumber(_typeNumber);
for (var i = 0; i < 18; i += 1) {
var mod = !test && (bits >> i & 1) == 1;
_modules[Math.floor(i / 3)][i % 3 + _moduleCount - 8 - 3] = mod;
}
for (var i = 0; i < 18; i += 1) {
var mod = !test && (bits >> i & 1) == 1;
_modules[i % 3 + _moduleCount - 8 - 3][Math.floor(i / 3)] = mod;
}
};
var setupTypeInfo = function (test, maskPattern) {
var data = _errorCorrectionLevel << 3 | maskPattern;
var bits = QRUtil.getBCHTypeInfo(data); // vertical
for (var i = 0; i < 15; i += 1) {
var mod = !test && (bits >> i & 1) == 1;
if (i < 6) {
_modules[i][8] = mod;
} else if (i < 8) {
_modules[i + 1][8] = mod;
} else {
_modules[_moduleCount - 15 + i][8] = mod;
}
} // horizontal
for (var i = 0; i < 15; i += 1) {
var mod = !test && (bits >> i & 1) == 1;
if (i < 8) {
_modules[8][_moduleCount - i - 1] = mod;
} else if (i < 9) {
_modules[8][15 - i - 1 + 1] = mod;
} else {
_modules[8][15 - i - 1] = mod;
}
} // fixed module
_modules[_moduleCount - 8][8] = !test;
};
var mapData = function (data, maskPattern) {
var inc = -1;
var row = _moduleCount - 1;
var bitIndex = 7;
var byteIndex = 0;
var maskFunc = QRUtil.getMaskFunction(maskPattern);
for (var col = _moduleCount - 1; col > 0; col -= 2) {
if (col == 6) col -= 1;
while (true) {
for (var c = 0; c < 2; c += 1) {
if (_modules[row][col - c] == null) {
var dark = false;
if (byteIndex < data.length) {
dark = (data[byteIndex] >>> bitIndex & 1) == 1;
}
var mask = maskFunc(row, col - c);
if (mask) {
dark = !dark;
}
_modules[row][col - c] = dark;
bitIndex -= 1;
if (bitIndex == -1) {
byteIndex += 1;
bitIndex = 7;
}
}
}
row += inc;
if (row < 0 || _moduleCount <= row) {
row -= inc;
inc = -inc;
break;
}
}
}
};
var 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 += 1) {
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 += 1) {
dcdata[r][i] = 0xff & buffer.getBuffer()[i + offset];
}
offset += dcCount;
var rsPoly = QRUtil.getErrorCorrectPolynomial(ecCount);
var rawPoly = 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 += 1) {
var modIndex = i + modPoly.getLength() - ecdata[r].length;
ecdata[r][i] = modIndex >= 0 ? modPoly.getAt(modIndex) : 0;
}
}
var totalCodeCount = 0;
for (var i = 0; i < rsBlocks.length; i += 1) {
totalCodeCount += rsBlocks[i].totalCount;
}
var data = new Array(totalCodeCount);
var index = 0;
for (var i = 0; i < maxDcCount; i += 1) {
for (var r = 0; r < rsBlocks.length; r += 1) {
if (i < dcdata[r].length) {
data[index] = dcdata[r][i];
index += 1;
}
}
}
for (var i = 0; i < maxEcCount; i += 1) {
for (var r = 0; r < rsBlocks.length; r += 1) {
if (i < ecdata[r].length) {
data[index] = ecdata[r][i];
index += 1;
}
}
}
return data;
};
var createData = function (typeNumber, errorCorrectionLevel, dataList) {
var rsBlocks = QRRSBlock.getRSBlocks(typeNumber, errorCorrectionLevel);
var buffer = qrBitBuffer();
for (var i = 0; i < dataList.length; i += 1) {
var data = dataList[i];
buffer.put(data.getMode(), 4);
buffer.put(data.getLength(), QRUtil.getLengthInBits(data.getMode(), typeNumber));
data.write(buffer);
} // calc num max data.
var totalDataCount = 0;
for (var i = 0; i < rsBlocks.length; i += 1) {
totalDataCount += rsBlocks[i].dataCount;
}
if (buffer.getLengthInBits() > totalDataCount * 8) {
throw '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(PAD0, 8);
if (buffer.getLengthInBits() >= totalDataCount * 8) {
break;
}
buffer.put(PAD1, 8);
}
return createBytes(buffer, rsBlocks);
};
_this.addData = function (data, mode) {
mode = mode || 'Byte';
var newData = null;
switch (mode) {
case 'Numeric':
newData = qrNumber(data);
break;
case 'Alphanumeric':
newData = qrAlphaNum(data);
break;
case 'Byte':
newData = qr8BitByte(data);
break;
case 'Kanji':
newData = qrKanji(data);
break;
default:
throw 'mode:' + mode;
}
_dataList.push(newData);
_dataCache = null;
};
_this.isDark = function (row, col) {
if (row < 0 || _moduleCount <= row || col < 0 || _moduleCount <= col) {
throw row + ',' + col;
}
return _modules[row][col];
};
_this.getModuleCount = function () {
return _moduleCount;
};
_this.make = function () {
if (_typeNumber < 1) {
var typeNumber = 1;
for (; typeNumber < 40; typeNumber++) {
var rsBlocks = QRRSBlock.getRSBlocks(typeNumber, _errorCorrectionLevel);
var buffer = qrBitBuffer();
for (var i = 0; i < _dataList.length; i++) {
var data = _dataList[i];
buffer.put(data.getMode(), 4);
buffer.put(data.getLength(), QRUtil.getLengthInBits(data.getMode(), typeNumber));
data.write(buffer);
}
var totalDataCount = 0;
for (var i = 0; i < rsBlocks.length; i++) {
totalDataCount += rsBlocks[i].dataCount;
}
if (buffer.getLengthInBits() <= totalDataCount * 8) {
break;
}
}
_typeNumber = typeNumber;
}
makeImpl(false, getBestMaskPattern());
};
_this.createTableTag = function (cellSize, margin) {
cellSize = cellSize || 2;
margin = typeof margin == 'undefined' ? cellSize * 4 : margin;
var qrHtml = '';
qrHtml += '<table style="';
qrHtml += ' border-width: 0px; border-style: none;';
qrHtml += ' border-collapse: collapse;';
qrHtml += ' padding: 0px; margin: ' + margin + 'px;';
qrHtml += '">';
qrHtml += '<tbody>';
for (var r = 0; r < _this.getModuleCount(); r += 1) {
qrHtml += '<tr>';
for (var c = 0; c < _this.getModuleCount(); c += 1) {
qrHtml += '<td style="';
qrHtml += ' border-width: 0px; border-style: none;';
qrHtml += ' border-collapse: collapse;';
qrHtml += ' padding: 0px; margin: 0px;';
qrHtml += ' width: ' + cellSize + 'px;';
qrHtml += ' height: ' + cellSize + 'px;';
qrHtml += ' background-color: ';
qrHtml += _this.isDark(r, c) ? '#000000' : '#ffffff';
qrHtml += ';';
qrHtml += '"/>';
}
qrHtml += '</tr>';
}
qrHtml += '</tbody>';
qrHtml += '</table>';
return qrHtml;
};
_this.createSvgTag = function (cellSize, margin, alt, title) {
var opts = {};
if (typeof arguments[0] == 'object') {
// Called by options.
opts = arguments[0]; // overwrite cellSize and margin.
cellSize = opts.cellSize;
margin = opts.margin;
alt = opts.alt;
title = opts.title;
}
cellSize = cellSize || 2;
margin = typeof margin == 'undefined' ? cellSize * 4 : margin; // Compose alt property surrogate
alt = typeof alt === 'string' ? {
text: alt
} : alt || {};
alt.text = alt.text || null;
alt.id = alt.text ? alt.id || 'qrcode-description' : null; // Compose title property surrogate
title = typeof title === 'string' ? {
text: title
} : title || {};
title.text = title.text || null;
title.id = title.text ? title.id || 'qrcode-title' : null;
var size = _this.getModuleCount() * cellSize + margin * 2;
var c,
mc,
r,
mr,
qrSvg = '',
rect;
rect = 'l' + cellSize + ',0 0,' + cellSize + ' -' + cellSize + ',0 0,-' + cellSize + 'z ';
qrSvg += '<svg version="1.1" xmlns="http://www.w3.org/2000/svg"';
qrSvg += !opts.scalable ? ' width="' + size + 'px" height="' + size + 'px"' : '';
qrSvg += ' viewBox="0 0 ' + size + ' ' + size + '" ';
qrSvg += ' preserveAspectRatio="xMinYMin meet"';
qrSvg += title.text || alt.text ? ' role="img" aria-labelledby="' + escapeXml([title.id, alt.id].join(' ').trim()) + '"' : '';
qrSvg += '>';
qrSvg += title.text ? '<title id="' + escapeXml(title.id) + '">' + escapeXml(title.text) + '</title>' : '';
qrSvg += alt.text ? '<description id="' + escapeXml(alt.id) + '">' + escapeXml(alt.text) + '</description>' : '';
qrSvg += '<rect width="100%" height="100%" fill="white" cx="0" cy="0"/>';
qrSvg += '<path d="';
for (r = 0; r < _this.getModuleCount(); r += 1) {
mr = r * cellSize + margin;
for (c = 0; c < _this.getModuleCount(); c += 1) {
if (_this.isDark(r, c)) {
mc = c * cellSize + margin;
qrSvg += 'M' + mc + ',' + mr + rect;
}
}
}
qrSvg += '" stroke="transparent" fill="black"/>';
qrSvg += '</svg>';
return qrSvg;
};
_this.createDataURL = function (cellSize, margin) {
cellSize = cellSize || 2;
margin = typeof margin == 'undefined' ? cellSize * 4 : margin;
var size = _this.getModuleCount() * cellSize + margin * 2;
var min = margin;
var max = size - margin;
return createDataURL(size, size, function (x, y) {
if (min <= x && x < max && min <= y && y < max) {
var c = Math.floor((x - min) / cellSize);
var r = Math.floor((y - min) / cellSize);
return _this.isDark(r, c) ? 0 : 1;
} else {
return 1;
}
});
};
_this.createImgTag = function (cellSize, margin, alt) {
cellSize = cellSize || 2;
margin = typeof margin == 'undefined' ? cellSize * 4 : margin;
var size = _this.getModuleCount() * cellSize + margin * 2;
var img = '';
img += '<img';
img += '\u0020src="';
img += _this.createDataURL(cellSize, margin);
img += '"';
img += '\u0020width="';
img += size;
img += '"';
img += '\u0020height="';
img += size;
img += '"';
if (alt) {
img += '\u0020alt="';
img += escapeXml(alt);
img += '"';
}
img += '/>';
return img;
};
var escapeXml = function (s) {
var escaped = '';
for (var i = 0; i < s.length; i += 1) {
var c = s.charAt(i);
switch (c) {
case '<':
escaped += '<';
break;
case '>':
escaped += '>';
break;
case '&':
escaped += '&';
break;
case '"':
escaped += '"';
break;
default:
escaped += c;
break;
}
}
return escaped;
};
var _createHalfASCII = function (margin) {
var cellSize = 1;
margin = typeof margin == 'undefined' ? cellSize * 2 : margin;
var size = _this.getModuleCount() * cellSize + margin * 2;
var min = margin;
var max = size - margin;
var y, x, r1, r2, p;
var blocks = {
'██': '█',
'█ ': '▀',
' █': '▄',
' ': ' '
};
var blocksLastLineNoMargin = {
'██': '▀',
'█ ': '▀',
' █': ' ',
' ': ' '
};
var ascii = '';
for (y = 0; y < size; y += 2) {
r1 = Math.floor((y - min) / cellSize);
r2 = Math.floor((y + 1 - min) / cellSize);
for (x = 0; x < size; x += 1) {
p = '█';
if (min <= x && x < max && min <= y && y < max && _this.isDark(r1, Math.floor((x - min) / cellSize))) {
p = ' ';
}
if (min <= x && x < max && min <= y + 1 && y + 1 < max && _this.isDark(r2, Math.floor((x - min) / cellSize))) {
p += ' ';
} else {
p += '█';
} // Output 2 characters per pixel, to create full square. 1 character per pixels gives only half width of square.
ascii += margin < 1 && y + 1 >= max ? blocksLastLineNoMargin[p] : blocks[p];
}
ascii += '\n';
}
if (size % 2 && margin > 0) {
return ascii.substring(0, ascii.length - size - 1) + Array(size + 1).join('▀');
}
return ascii.substring(0, ascii.length - 1);
};
_this.createASCII = function (cellSize, margin) {
cellSize = cellSize || 1;
if (cellSize < 2) {
return _createHalfASCII(margin);
}
cellSize -= 1;
margin = typeof margin == 'undefined' ? cellSize * 2 : margin;
var size = _this.getModuleCount() * cellSize + margin * 2;
var min = margin;
var max = size - margin;
var y, x, r, p;
var white = Array(cellSize + 1).join('██');
var black = Array(cellSize + 1).join(' ');
var ascii = '';
var line = '';
for (y = 0; y < size; y += 1) {
r = Math.floor((y - min) / cellSize);
line = '';
for (x = 0; x < size; x += 1) {
p = 1;
if (min <= x && x < max && min <= y && y < max && _this.isDark(r, Math.floor((x - min) / cellSize))) {
p = 0;
} // Output 2 characters per pixel, to create full square. 1 character per pixels gives only half width of square.
line += p ? white : black;
}
for (r = 0; r < cellSize; r += 1) {
ascii += line + '\n';
}
}
return ascii.substring(0, ascii.length - 1);
};
_this.renderTo2dContext = function (context, cellSize) {
cellSize = cellSize || 2;
var length = _this.getModuleCount();
for (var row = 0; row < length; row++) {
for (var col = 0; col < length; col++) {
context.fillStyle = _this.isDark(row, col) ? 'black' : 'white';
context.fillRect(row * cellSize, col * cellSize, cellSize, cellSize);
}
}
};
return _this;
}; //---------------------------------------------------------------------
// qrcode.stringToBytes
//---------------------------------------------------------------------
qrcode.stringToBytesFuncs = {
'default': function (s) {
var bytes = [];
for (var i = 0; i < s.length; i += 1) {
var c = s.charCodeAt(i);
bytes.push(c & 0xff);
}
return bytes;
}
};
qrcode.stringToBytes = qrcode.stringToBytesFuncs['default']; //---------------------------------------------------------------------
// qrcode.createStringToBytes
//---------------------------------------------------------------------
/**
* @param unicodeData base64 string of byte array.
* [16bit Unicode],[16bit Bytes], ...
* @param numChars
*/
qrcode.createStringToBytes = function (unicodeData, numChars) {
// create conversion map.
var unicodeMap = function () {
var bin = base64DecodeInputStream(unicodeData);
var read = function () {
var b = bin.read();
if (b == -1) throw 'eof';
return b;
};
var count = 0;
var unicodeMap = {};
while (true) {
var b0 = bin.read();
if (b0 == -1) break;
var b1 = read();
var b2 = read();
var b3 = read();
var k = String.fromCharCode(b0 << 8 | b1);
var v = b2 << 8 | b3;
unicodeMap[k] = v;
count += 1;
}
if (count != numChars) {
throw count + ' != ' + numChars;
}
return unicodeMap;
}();
var unknownChar = '?'.charCodeAt(0);
return function (s) {
var bytes = [];
for (var i = 0; i < s.length; i += 1) {
var c = s.charCodeAt(i);
if (c < 128) {
bytes.push(c);
} else {
var b = unicodeMap[s.charAt(i)];
if (typeof b == 'number') {
if ((b & 0xff) == b) {
// 1byte
bytes.push(b);
} else {
// 2bytes
bytes.push(b >>> 8);
bytes.push(b & 0xff);
}
} else {
bytes.push(unknownChar);
}
}
}
return bytes;
};
}; //---------------------------------------------------------------------
// QRMode
//---------------------------------------------------------------------
var QRMode = {
MODE_NUMBER: 1 << 0,
MODE_ALPHA_NUM: 1 << 1,
MODE_8BIT_BYTE: 1 << 2,
MODE_KANJI: 1 << 3
}; //---------------------------------------------------------------------
// QRErrorCorrectionLevel
//---------------------------------------------------------------------
var QRErrorCorrectionLevel = {
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 = function () {
var 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]];
var G15 = 1 << 10 | 1 << 8 | 1 << 5 | 1 << 4 | 1 << 2 | 1 << 1 | 1 << 0;
var G18 = 1 << 12 | 1 << 11 | 1 << 10 | 1 << 9 | 1 << 8 | 1 << 5 | 1 << 2 | 1 << 0;
var G15_MASK = 1 << 14 | 1 << 12 | 1 << 10 | 1 << 4 | 1 << 1;
var _this = {};
var getBCHDigit = function (data) {
var digit = 0;
while (data != 0) {
digit += 1;
data >>>= 1;
}
return digit;
};
_this.getBCHTypeInfo = function (data) {
var d = data << 10;
while (getBCHDigit(d) - getBCHDigit(G15) >= 0) {
d ^= G15 << getBCHDigit(d) - getBCHDigit(G15);
}
return (data << 10 | d) ^ G15_MASK;
};
_this.getBCHTypeNumber = function (data) {
var d = data << 12;
while (getBCHDigit(d) - getBCHDigit(G18) >= 0) {
d ^= G18 << getBCHDigit(d) - getBCHDigit(G18);
}
return data << 12 | d;
};
_this.getPatternPosition = function (typeNumber) {
return PATTERN_POSITION_TABLE[typeNumber - 1];
};
_this.getMaskFunction = function (maskPattern) {
switch (maskPattern) {
case QRMaskPattern.PATTERN000:
return function (i, j) {
return (i + j) % 2 == 0;
};
case QRMaskPattern.PATTERN001:
return function (i, j) {
return i % 2 == 0;
};
case QRMaskPattern.PATTERN010:
return function (i, j) {
return j % 3 == 0;
};
case QRMaskPattern.PATTERN011:
return function (i, j) {
return (i + j) % 3 == 0;
};
case QRMaskPattern.PATTERN100:
return function (i, j) {
return (Math.floor(i / 2) + Math.floor(j / 3)) % 2 == 0;
};
case QRMaskPattern.PATTERN101:
return function (i, j) {
return i * j % 2 + i * j % 3 == 0;
};
case QRMaskPattern.PATTERN110:
return function (i, j) {
return (i * j % 2 + i * j % 3) % 2 == 0;
};
case QRMaskPattern.PATTERN111:
return function (i, j) {
return (i * j % 3 + (i + j) % 2) % 2 == 0;
};
default:
throw 'bad maskPattern:' + maskPattern;
}
};
_this.getErrorCorrectPolynomial = function (errorCorrectLength) {
var a = qrPolynomial([1], 0);
for (var i = 0; i < errorCorrectLength; i += 1) {
a = a.multiply(qrPolynomial([1, QRMath.gexp(i)], 0));
}
return a;
};
_this.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 '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 '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 'mode:' + mode;
}
} else {
throw 'type:' + type;
}
};
_this.getLostPoint = function (qrcode) {
var moduleCount = qrcode.getModuleCount();
var lostPoint = 0; // LEVEL1
for (var row = 0; row < moduleCount; row += 1) {
for (var col = 0; col < moduleCount; col += 1) {
var sameCount = 0;
var dark = qrcode.isDark(row, col);
for (var r = -1; r <= 1; r += 1) {
if (row + r < 0 || moduleCount <= row + r) {
continue;
}
for (var c = -1; c <= 1; c += 1) {
if (col + c < 0 || moduleCount <= col + c) {
continue;
}
if (r == 0 && c == 0) {
continue;
}
if (dark == qrcode.isDark(row + r, col + c)) {
sameCount += 1;
}
}
}
if (sameCount > 5) {
lostPoint += 3 + sameCount - 5;
}
}
}
; // LEVEL2
for (var row = 0; row < moduleCount - 1; row += 1) {
for (var col = 0; col < moduleCount - 1; col += 1) {
var count = 0;
if (qrcode.isDark(row, col)) count += 1;
if (qrcode.isDark(row + 1, col)) count += 1;
if (qrcode.isDark(row, col + 1)) count += 1;
if (qrcode.isDark(row + 1, col + 1)) count += 1;
if (count == 0 || count == 4) {
lostPoint += 3;
}
}
} // LEVEL3
for (var row = 0; row < moduleCount; row += 1) {
for (var col = 0; col < moduleCount - 6; col += 1) {
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 += 1) {
for (var row = 0; row < moduleCount - 6; row += 1) {
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 += 1) {
for (var row = 0; row < moduleCount; row += 1) {
if (qrcode.isDark(row, col)) {
darkCount += 1;
}
}
}
var ratio = Math.abs(100 * darkCount / moduleCount / moduleCount - 50) / 5;
lostPoint += ratio * 10;
return lostPoint;
};
return _this;
}(); //---------------------------------------------------------------------
// QRMath
//---------------------------------------------------------------------
var QRMath = function () {
var EXP_TABLE = new Array(256);
var LOG_TABLE = new Array(256); // initialize tables
for (var i = 0; i < 8; i += 1) {
EXP_TABLE[i] = 1 << i;
}
for (var i = 8; i < 256; i += 1) {
EXP_TABLE[i] = EXP_TABLE[i - 4] ^ EXP_TABLE[i - 5] ^ EXP_TABLE[i - 6] ^ EXP_TABLE[i - 8];
}
for (var i = 0; i < 255; i += 1) {
LOG_TABLE[EXP_TABLE[i]] = i;
}
var _this = {};
_this.glog = function (n) {
if (n < 1) {
throw 'glog(' + n + ')';
}
return LOG_TABLE[n];
};
_this.gexp = function (n) {
while (n < 0) {
n += 255;
}
while (n >= 256) {
n -= 255;
}
return EXP_TABLE[n];
};
return _this;
}(); //---------------------------------------------------------------------
// qrPolynomial
//---------------------------------------------------------------------
function qrPolynomial(num, shift) {
if (typeof num.length == 'undefined') {
throw num.length + '/' + shift;
}
var _num = function () {
var offset = 0;
while (offset < num.length && num[offset] == 0) {
offset += 1;
}
var _num = new Array(num.length - offset + shift);
for (var i = 0; i < num.length - offset; i += 1) {
_num[i] = num[i + offset];
}
return _num;
}();
var _this = {};
_this.getAt = function (index) {
return _num[index];
};
_this.getLength = function () {
return _num.length;
};
_this.multiply = function (e) {
var num = new Array(_this.getLength() + e.getLength() - 1);
for (var i = 0; i < _this.getLength(); i += 1) {
for (var j = 0; j < e.getLength(); j += 1) {
num[i + j] ^= QRMath.gexp(QRMath.glog(_this.getAt(i)) + QRMath.glog(e.getAt(j)));
}
}
return qrPolynomial(num, 0);
};
_this.mod = function (e) {
if (_this.getLength() - e.getLength() < 0) {
return _this;
}
var ratio = QRMath.glog(_this.getAt(0)) - QRMath.glog(e.getAt(0));
var num = new Array(_this.getLength());
for (var i = 0; i < _this.getLength(); i += 1) {
num[i] = _this.getAt(i);
}
for (var i = 0; i < e.getLength(); i += 1) {
num[i] ^= QRMath.gexp(QRMath.glog(e.getAt(i)) + ratio);
} // recursive call
return qrPolynomial(num, 0).mod(e);
};
return _this;
}
; //---------------------------------------------------------------------
// QRRSBlock
//---------------------------------------------------------------------
var QRRSBlock = function () {
var 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, 7, 37, 13], // 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]];
var qrRSBlock = function (totalCount, dataCount) {
var _this = {};
_this.totalCount = totalCount;
_this.dataCount = dataCount;
return _this;
};
var _this = {};
var getRsBlockTable = function (typeNumber, errorCorrectionLevel) {
switch (errorCorrectionLevel) {
case QRErrorCorrectionLevel.L:
return RS_BLOCK_TABLE[(typeNumber - 1) * 4 + 0];
case QRErrorCorrectionLevel.M:
return RS_BLOCK_TABLE[(typeNumber - 1) * 4 + 1];
case QRErrorCorrectionLevel.Q:
return RS_BLOCK_TABLE[(typeNumber - 1) * 4 + 2];
case QRErrorCorrectionLevel.H:
return RS_BLOCK_TABLE[(typeNumber - 1) * 4 + 3];
default:
return undefined;
}
};
_this.getRSBlocks = function (typeNumber, errorCorrectionLevel) {
var rsBlock = getRsBlockTable(typeNumber, errorCorrectionLevel);
if (typeof rsBlock == 'undefined') {
throw 'bad rs block @ typeNumber:' + typeNumber + '/errorCorrectionLevel:' + errorCorrectionLevel;
}
var length = rsBlock.length / 3;
var list = [];
for (var i = 0; i < length; i += 1) {
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 += 1) {
list.push(qrRSBlock(totalCount, dataCount));
}
}
return list;
};
return _this;
}(); //---------------------------------------------------------------------
// qrBitBuffer
//---------------------------------------------------------------------
var qrBitBuffer = function () {
var _buffer = [];
var _length = 0;
var _this = {};
_this.getBuffer = function () {
return _buffer;
};
_this.getAt = function (index) {
var bufIndex = Math.floor(index / 8);
return (_buffer[bufIndex] >>> 7 - index % 8 & 1) == 1;
};
_this.put = function (num, length) {
for (var i = 0; i < length; i += 1) {
_this.putBit((num >>> length - i - 1 & 1) == 1);
}
};
_this.getLengthInBits = function () {
return _length;
};
_this.putBit = function (bit) {
var bufIndex = Math.floor(_length / 8);
if (_buffer.length <= bufIndex) {
_buffer.push(0);
}
if (bit) {
_buffer[bufIndex] |= 0x80 >>> _length % 8;
}
_length += 1;
};
return _this;
}; //---------------------------------------------------------------------
// qrNumber
//---------------------------------------------------------------------
var qrNumber = function (data) {
var _mode = QRMode.MODE_NUMBER;
var _data = data;
var _this = {};
_this.getMode = function () {
return _mode;
};
_this.getLength = function (buffer) {
return _data.length;
};
_this.write = function (buffer) {
var data = _data;
var i = 0;
while (i + 2 < data.length) {
buffer.put(strToNum(data.substring(i, i + 3)), 10);
i += 3;
}
if (i < data.length) {
if (data.length - i == 1) {
buffer.put(strToNum(data.substring(i, i + 1)), 4);
} else if (data.length - i == 2) {
buffer.put(strToNum(data.substring(i, i + 2)), 7);
}
}
};
var strToNum = function (s) {
var num = 0;
for (var i = 0; i < s.length; i += 1) {
num = num * 10 + chatToNum(s.charAt(i));
}
return num;
};
var chatToNum = function (c) {
if ('0' <= c && c <= '9') {
return c.charCodeAt(0) - '0'.charCodeAt(0);
}
throw 'illegal char :' + c;
};
return _this;
}; //---------------------------------------------------------------------
// qrAlphaNum
//---------------------------------------------------------------------
var qrAlphaNum = function (data) {
var _mode = QRMode.MODE_ALPHA_NUM;
var _data = data;
var _this = {};
_this.getMode = function () {
return _mode;
};
_this.getLength = function (buffer) {
return _data.length;
};
_this.write = function (buffer) {
var s = _data;
var i = 0;
while (i + 1 < s.length) {
buffer.put(getCode(s.charAt(i)) * 45 + getCode(s.charAt(i + 1)), 11);
i += 2;
}
if (i < s.length) {
buffer.put(getCode(s.charAt(i)), 6);
}
};
var getCode = function (c) {
if ('0' <= c && c <= '9') {
return c.charCodeAt(0) - '0'.charCodeAt(0);
} else if ('A' <= c && c <= 'Z') {
return c.charCodeAt(0) - 'A'.charCodeAt(0) + 10;
} else {
switch (c) {
case ' ':
return 36;
case '$':
return 37;
case '%':
return 38;
case '*':
return 39;
case '+':
return 40;
case '-':
return 41;
case '.':
return 42;
case '/':
return 43;
case ':':
return 44;
default:
throw 'illegal char :' + c;
}
}
};
return _this;
}; //---------------------------------------------------------------------
// qr8BitByte
//---------------------------------------------------------------------
var qr8BitByte = function (data) {
var _mode = QRMode.MODE_8BIT_BYTE;
var _data = data;
var _bytes = qrcode.stringToBytes(data);
var _this = {};
_this.getMode = function () {
return _mode;
};
_this.getLength = function (buffer) {
return _bytes.length;
};
_this.write = function (buffer) {
for (var i = 0; i < _bytes.length; i += 1) {
buffer.put(_bytes[i], 8);
}
};
return _this;
}; //---------------------------------------------------------------------
// qrKanji
//---------------------------------------------------------------------
var qrKanji = function (data) {
var _mode = QRMode.MODE_KANJI;
var _data = data;
var stringToBytes = qrcode.stringToBytesFuncs['SJIS'];
if (!stringToBytes) {
throw 'sjis not supported.';
}
!function (c, code) {
// self test for sjis support.
var test = stringToBytes(c);
if (test.length != 2 || (test[0] << 8 | test[1]) != code) {
throw 'sjis not supported.';
}
}('\u53cb', 0x9746);
var _bytes = stringToBytes(data);
var _this = {};
_this.getMode = function () {
return _mode;
};
_this.getLength = function (buffer) {
return ~~(_bytes.length / 2);
};
_this.write = function (buffer) {
var data = _bytes;
var i = 0;
while (i + 1 < data.length) {
var c = (0xff & data[i]) << 8 | 0xff & data[i + 1];
if (0x8140 <= c && c <= 0x9FFC) {
c -= 0x8140;
} else if (0xE040 <= c && c <= 0xEBBF) {
c -= 0xC140;
} else {
throw 'illegal char at ' + (i + 1) + '/' + c;
}
c = (c >>> 8 & 0xff) * 0xC0 + (c & 0xff);
buffer.put(c, 13);
i += 2;
}
if (i < data.length) {
throw 'illegal char at ' + (i + 1);
}
};
return _this;
}; //=====================================================================
// GIF Support etc.
//
//---------------------------------------------------------------------
// byteArrayOutputStream
//---------------------------------------------------------------------
var byteArrayOutputStream = function () {
var _bytes = [];
var _this = {};
_this.writeByte = function (b) {
_bytes.push(b & 0xff);
};
_this.writeShort = function (i) {
_this.writeByte(i);
_this.writeByte(i >>> 8);
};
_this.writeBytes = function (b, off, len) {
off = off || 0;
len = len || b.length;
for (var i = 0; i < len; i += 1) {
_this.writeByte(b[i + off]);
}
};
_this.writeString = function (s) {
for (var i = 0; i < s.length; i += 1) {
_this.writeByte(s.charCodeAt(i));
}
};
_this.toByteArray = function () {
return _bytes;
};
_this.toString = function () {
var s = '';
s += '[';
for (var i = 0; i < _bytes.length; i += 1) {
if (i > 0) {
s += ',';
}
s += _bytes[i];
}
s += ']';
return s;
};
return _this;
}; //---------------------------------------------------------------------
// base64EncodeOutputStream
//---------------------------------------------------------------------
var base64EncodeOutputStream = function () {
var _buffer = 0;
var _buflen = 0;
var _length = 0;
var _base64 = '';
var _this = {};
var writeEncoded = function (b) {
_base64 += String.fromCharCode(encode(b & 0x3f));
};
var encode = function (n) {
if (n < 0) {// error.
} else if (n < 26) {
return 0x41 + n;
} else if (n < 52) {
return 0x61 + (n - 26);
} else if (n < 62) {
return 0x30 + (n - 52);
} else if (n == 62) {
return 0x2b;
} else if (n == 63) {
return 0x2f;
}
throw 'n:' + n;
};
_this.writeByte = function (n) {
_buffer = _buffer << 8 | n & 0xff;
_buflen += 8;
_length += 1;
while (_buflen >= 6) {
writeEncoded(_buffer >>> _buflen - 6);
_buflen -= 6;
}
};
_this.flush = function () {
if (_buflen > 0) {
writeEncoded(_buffer << 6 - _buflen);
_buffer = 0;
_buflen = 0;
}
if (_length % 3 != 0) {
// padding
var padlen = 3 - _length % 3;
for (var i = 0; i < padlen; i += 1) {
_base64 += '=';
}
}
};
_this.toString = function () {
return _base64;
};
return _this;
}; //---------------------------------------------------------------------
// base64DecodeInputStream
//---------------------------------------------------------------------
var base64DecodeInputStream = function (str) {
var _str = str;
var _pos = 0;
var _buffer = 0;
var _buflen = 0;
var _this = {};
_this.read = function () {
while (_buflen < 8) {
if (_pos >= _str.length) {
if (_buflen == 0) {
return -1;
}
throw 'unexpected end of file./' + _buflen;
}
var c = _str.charAt(_pos);
_pos += 1;
if (c == '=') {
_buflen = 0;
return -1;
} else if (c.match(/^\s$/)) {
// ignore if whitespace.
continue;
}
_buffer = _buffer << 6 | decode(c.charCodeAt(0));
_buflen += 6;
}
var n = _buffer >>> _buflen - 8 & 0xff;
_buflen -= 8;
return n;
};
var decode = function (c) {
if (0x41 <= c && c <= 0x5a) {
return c - 0x41;
} else if (0x61 <= c && c <= 0x7a) {
return c - 0x61 + 26;
} else if (0x30 <= c && c <= 0x39) {
return c - 0x30 + 52;
} else if (c == 0x2b) {
return 62;
} else if (c == 0x2f) {
return 63;
} else {
throw 'c:' + c;
}
};
return _this;
}; //---------------------------------------------------------------------
// gifImage (B/W)
//---------------------------------------------------------------------
var gifImage = function (width, height) {
var _width = width;
var _height = height;
var _data = new Array(width * height);
var _this = {};
_this.setPixel = function (x, y, pixel) {
_data[y * _width + x] = pixel;
};
_this.write = function (out) {
//---------------------------------
// GIF Signature
out.writeString('GIF87a'); //---------------------------------
// Screen Descriptor
out.writeShort(_width);
out.writeShort(_height);
out.writeByte(0x80); // 2bit
out.writeByte(0);
out.writeByte(0); //---------------------------------
// Global Color Map
// black
out.writeByte(0x00);
out.writeByte(0x00);
out.writeByte(0x00); // white
out.writeByte(0xff);
out.writeByte(0xff);
out.writeByte(0xff); //---------------------------------
// Image Descriptor
out.writeString(',');
out.writeShort(0);
out.writeShort(0);
out.writeShort(_width);
out.writeShort(_height);
out.writeByte(0); //---------------------------------
// Local Color Map
//---------------------------------
// Raster Data
var lzwMinCodeSize = 2;
var raster = getLZWRaster(lzwMinCodeSize);
out.writeByte(lzwMinCodeSize);
var offset = 0;
while (raster.length - offset > 255) {
out.writeByte(255);
out.writeBytes(raster, offset, 255);
offset += 255;
}
out.writeByte(raster.length - offset);
out.writeBytes(raster, offset, raster.length - offset);
out.writeByte(0x00); //---------------------------------
// GIF Terminator
out.writeString(';');
};
var bitOutputStream = function (out) {
var _out = out;
var _bitLength = 0;
var _bitBuffer = 0;
var _this = {};
_this.write = function (data, length) {
if (data >>> length != 0) {
throw 'length over';
}
while (_bitLength + length >= 8) {
_out.writeByte(0xff & (data << _bitLength | _bitBuffer));
length -= 8 - _bitLength;
data >>>= 8 - _bitLength;
_bitBuffer = 0;
_bitLength = 0;
}
_bitBuffer = data << _bitLength | _bitBuffer;
_bitLength = _bitLength + length;
};
_this.flush = function () {
if (_bitLength > 0) {
_out.writeByte(_bitBuffer);
}
};
return _this;
};
var getLZWRaster = function (lzwMinCodeSize) {
var clearCode = 1 << lzwMinCodeSize;
var endCode = (1 << lzwMinCodeSize) + 1;
var bitLength = lzwMinCodeSize + 1; // Setup LZWTable
var table = lzwTable();
for (var i = 0; i < clearCode; i += 1) {
table.add(String.fromCharCode(i));
}
table.add(String.fromCharCode(clearCode));
table.add(String.fromCharCode(endCode));
var byteOut = byteArrayOutputStream();
var bitOut = bitOutputStream(byteOut); // clear code
bitOut.write(clearCode, bitLength);
var dataIndex = 0;
var s = String.fromCharCode(_data[dataIndex]);
dataIndex += 1;
while (dataIndex < _data.length) {
var c = String.fromCharCode(_data[dataIndex]);
dataIndex += 1;
if (table.contains(s + c)) {
s = s + c;
} else {
bitOut.write(table.indexOf(s), bitLength);
if (table.size() < 0xfff) {
if (table.size() == 1 << bitLength) {
bitLength += 1;
}
table.add(s + c);
}
s = c;
}
}
bitOut.write(table.indexOf(s), bitLength); // end code
bitOut.write(endCode, bitLength);
bitOut.flush();
return byteOut.toByteArray();
};
var lzwTable = function () {
var _map = {};
var _size = 0;
var _this = {};
_this.add = function (key) {
if (_this.contains(key)) {
throw 'dup key:' + key;
}
_map[key] = _size;
_size += 1;
};
_this.size = function () {
return _size;
};
_this.indexOf = function (key) {
return _map[key];
};
_this.contains = function (key) {
return typeof _map[key] != 'undefined';
};
return _this;
};
return _this;
};
var createDataURL = function (width, height, getPixel) {
var gif = gifImage(width, height);
for (var y = 0; y < height; y += 1) {
for (var x = 0; x < width; x += 1) {
gif.setPixel(x, y, getPixel(x, y));
}
}
var b = byteArrayOutputStream();
gif.write(b);
var base64 = base64EncodeOutputStream();
var bytes = b.toByteArray();
for (var i = 0; i < bytes.length; i += 1) {
base64.writeByte(bytes[i]);
}
base64.flush();
return 'data:image/gif;base64,' + base64;
}; //---------------------------------------------------------------------
// returns qrcode function.
return qrcode;
}(); // multibyte support
!function () {
qrcode.stringToBytesFuncs['UTF-8'] = function (s) {
// http://stackoverflow.com/questions/18729405/how-to-convert-utf8-string-to-byte-array
function toUTF8Array(str) {
var utf8 = [];
for (var i = 0; i < str.length; i++) {
var charcode = str.charCodeAt(i);
if (charcode < 0x80) utf8.push(charcode);else if (charcode < 0x800) {
utf8.push(0xc0 | charcode >> 6, 0x80 | charcode & 0x3f);
} else if (charcode < 0xd800 || charcode >= 0xe000) {
utf8.push(0xe0 | charcode >> 12, 0x80 | charcode >> 6 & 0x3f, 0x80 | charcode & 0x3f);
} // surrogate pair
else {
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);
utf8.push(0xf0 | charcode >> 18, 0x80 | charcode >> 12 & 0x3f, 0x80 | charcode >> 6 & 0x3f, 0x80 | charcode & 0x3f);
}
}
return utf8;
}
return toUTF8Array(s);
};
}();
(function (factory) {
if (typeof define === 'function' && define.amd) {
define([], factory);
} else if (typeof exports === 'object') {
module.exports = factory();
}
})(function () {
return qrcode;
});
},{}]},{},[1])(1)
});
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