/*! jquery-qrcode v0.14.0 - https://larsjung.de/jquery-qrcode/ */
(function (vendor_qrcode) {
'use strict';
var jq = window.jQuery;
// Check if canvas is available in the browser (as Modernizr does)
var hasCanvas = (function () {
var elem = document.createElement('canvas');
return !!(elem.getContext && elem.getContext('2d'));
}());
// Wrapper for the original QR code generator.
function createQRCode(text, level, version, quiet) {
var qr = {};
var vqr = vendor_qrcode(version, level);
vqr.addData(text);
vqr.make();
quiet = quiet || 0;
var qrModuleCount = vqr.getModuleCount();
var quietModuleCount = vqr.getModuleCount() + 2 * quiet;
function isDark(row, col) {
row -= quiet;
col -= quiet;
if (row < 0 || row >= qrModuleCount || col < 0 || col >= qrModuleCount) {
return false;
}
return vqr.isDark(row, col);
}
function addBlank(l, t, r, b) {
var prevIsDark = qr.isDark;
var moduleSize = 1 / quietModuleCount;
qr.isDark = function (row, col) {
var ml = col * moduleSize;
var mt = row * moduleSize;
var mr = ml + moduleSize;
var mb = mt + moduleSize;
return prevIsDark(row, col) && (l > mr || ml > r || t > mb || mt > b);
};
}
qr.text = text;
qr.level = level;
qr.version = version;
qr.moduleCount = quietModuleCount;
qr.isDark = isDark;
qr.addBlank = addBlank;
return qr;
}
// Returns a minimal QR code for the given text starting with version `minVersion`.
// Returns `undefined` if `text` is too long to be encoded in `maxVersion`.
function createMinQRCode(text, level, minVersion, maxVersion, quiet) {
minVersion = Math.max(1, minVersion || 1);
maxVersion = Math.min(40, maxVersion || 40);
for (var version = minVersion; version <= maxVersion; version += 1) {
try {
return createQRCode(text, level, version, quiet);
} catch (err) {/* empty */}
}
return undefined;
}
function drawBackgroundLabel(qr, context, settings) {
var size = settings.size;
var font = 'bold ' + settings.mSize * size + 'px ' + settings.fontname;
var ctx = jq('')[0].getContext('2d');
ctx.font = font;
var w = ctx.measureText(settings.label).width;
var sh = settings.mSize;
var sw = w / size;
var sl = (1 - sw) * settings.mPosX;
var st = (1 - sh) * settings.mPosY;
var sr = sl + sw;
var sb = st + sh;
var pad = 0.01;
if (settings.mode === 1) {
// Strip
qr.addBlank(0, st - pad, size, sb + pad);
} else {
// Box
qr.addBlank(sl - pad, st - pad, sr + pad, sb + pad);
}
context.fillStyle = settings.fontcolor;
context.font = font;
context.fillText(settings.label, sl * size, st * size + 0.75 * settings.mSize * size);
}
function drawBackgroundImage(qr, context, settings) {
var size = settings.size;
var w = settings.image.naturalWidth || 1;
var h = settings.image.naturalHeight || 1;
var sh = settings.mSize;
var sw = sh * w / h;
var sl = (1 - sw) * settings.mPosX;
var st = (1 - sh) * settings.mPosY;
var sr = sl + sw;
var sb = st + sh;
var pad = 0.01;
if (settings.mode === 3) {
// Strip
qr.addBlank(0, st - pad, size, sb + pad);
} else {
// Box
qr.addBlank(sl - pad, st - pad, sr + pad, sb + pad);
}
context.drawImage(settings.image, sl * size, st * size, sw * size, sh * size);
}
function drawBackground(qr, context, settings) {
if (jq(settings.background).is('img')) {
context.drawImage(settings.background, 0, 0, settings.size, settings.size);
} else if (settings.background) {
context.fillStyle = settings.background;
context.fillRect(settings.left, settings.top, settings.size, settings.size);
}
var mode = settings.mode;
if (mode === 1 || mode === 2) {
drawBackgroundLabel(qr, context, settings);
} else if (mode === 3 || mode === 4) {
drawBackgroundImage(qr, context, settings);
}
}
function drawModuleDefault(qr, context, settings, left, top, width, row, col) {
if (qr.isDark(row, col)) {
context.rect(left, top, width, width);
}
}
function drawModuleRoundedDark(ctx, l, t, r, b, rad, nw, ne, se, sw) {
if (nw) {
ctx.moveTo(l + rad, t);
} else {
ctx.moveTo(l, t);
}
if (ne) {
ctx.lineTo(r - rad, t);
ctx.arcTo(r, t, r, b, rad);
} else {
ctx.lineTo(r, t);
}
if (se) {
ctx.lineTo(r, b - rad);
ctx.arcTo(r, b, l, b, rad);
} else {
ctx.lineTo(r, b);
}
if (sw) {
ctx.lineTo(l + rad, b);
ctx.arcTo(l, b, l, t, rad);
} else {
ctx.lineTo(l, b);
}
if (nw) {
ctx.lineTo(l, t + rad);
ctx.arcTo(l, t, r, t, rad);
} else {
ctx.lineTo(l, t);
}
}
function drawModuleRoundendLight(ctx, l, t, r, b, rad, nw, ne, se, sw) {
if (nw) {
ctx.moveTo(l + rad, t);
ctx.lineTo(l, t);
ctx.lineTo(l, t + rad);
ctx.arcTo(l, t, l + rad, t, rad);
}
if (ne) {
ctx.moveTo(r - rad, t);
ctx.lineTo(r, t);
ctx.lineTo(r, t + rad);
ctx.arcTo(r, t, r - rad, t, rad);
}
if (se) {
ctx.moveTo(r - rad, b);
ctx.lineTo(r, b);
ctx.lineTo(r, b - rad);
ctx.arcTo(r, b, r - rad, b, rad);
}
if (sw) {
ctx.moveTo(l + rad, b);
ctx.lineTo(l, b);
ctx.lineTo(l, b - rad);
ctx.arcTo(l, b, l + rad, b, rad);
}
}
function drawModuleRounded(qr, context, settings, left, top, width, row, col) {
var isDark = qr.isDark;
var right = left + width;
var bottom = top + width;
var radius = settings.radius * width;
var rowT = row - 1;
var rowB = row + 1;
var colL = col - 1;
var colR = col + 1;
var center = isDark(row, col);
var northwest = isDark(rowT, colL);
var north = isDark(rowT, col);
var northeast = isDark(rowT, colR);
var east = isDark(row, colR);
var southeast = isDark(rowB, colR);
var south = isDark(rowB, col);
var southwest = isDark(rowB, colL);
var west = isDark(row, colL);
if (center) {
drawModuleRoundedDark(context, left, top, right, bottom, radius, !north && !west, !north && !east, !south && !east, !south && !west);
} else {
drawModuleRoundendLight(context, left, top, right, bottom, radius, north && west && northwest, north && east && northeast, south && east && southeast, south && west && southwest);
}
}
function drawModules(qr, context, settings) {
var moduleCount = qr.moduleCount;
var moduleSize = settings.size / moduleCount;
var fn = drawModuleDefault;
var row;
var col;
if (settings.radius > 0 && settings.radius <= 0.5) {
fn = drawModuleRounded;
}
context.beginPath();
for (row = 0; row < moduleCount; row += 1) {
for (col = 0; col < moduleCount; col += 1) {
var l = settings.left + col * moduleSize;
var t = settings.top + row * moduleSize;
var w = moduleSize;
fn(qr, context, settings, l, t, w, row, col);
}
}
if (jq(settings.fill).is('img')) {
context.strokeStyle = 'rgba(0,0,0,0.5)';
context.lineWidth = 2;
context.stroke();
var prev = context.globalCompositeOperation;
context.globalCompositeOperation = 'destination-out';
context.fill();
context.globalCompositeOperation = prev;
context.clip();
context.drawImage(settings.fill, 0, 0, settings.size, settings.size);
context.restore();
} else {
context.fillStyle = settings.fill;
context.fill();
}
}
// Draws QR code to the given `canvas` and returns it.
function drawOnCanvas(canvas, settings) {
var qr = createMinQRCode(settings.text, settings.ecLevel, settings.minVersion, settings.maxVersion, settings.quiet);
if (!qr) {
return null;
}
var $canvas = jq(canvas).data('qrcode', qr);
var context = $canvas[0].getContext('2d');
drawBackground(qr, context, settings);
drawModules(qr, context, settings);
return $canvas;
}
// Returns a `canvas` element representing the QR code for the given settings.
function createCanvas(settings) {
var $canvas = jq('').attr('width', settings.size).attr('height', settings.size);
return drawOnCanvas($canvas, settings);
}
// Returns an `image` element representing the QR code for the given settings.
function createImage(settings) {
return jq('![]()
').attr('src', createCanvas(settings)[0].toDataURL('image/png'));
}
// Returns a `div` element representing the QR code for the given settings.
function createDiv(settings) {
var qr = createMinQRCode(settings.text, settings.ecLevel, settings.minVersion, settings.maxVersion, settings.quiet);
if (!qr) {
return null;
}
// some shortcuts to improve compression
var settings_size = settings.size;
var settings_bgColor = settings.background;
var math_floor = Math.floor;
var moduleCount = qr.moduleCount;
var moduleSize = math_floor(settings_size / moduleCount);
var offset = math_floor(0.5 * (settings_size - moduleSize * moduleCount));
var row;
var col;
var containerCSS = {
position: 'relative',
left: 0,
top: 0,
padding: 0,
margin: 0,
width: settings_size,
height: settings_size
};
var darkCSS = {
position: 'absolute',
padding: 0,
margin: 0,
width: moduleSize,
height: moduleSize,
'background-color': settings.fill
};
var $div = jq('').data('qrcode', qr).css(containerCSS);
if (settings_bgColor) {
$div.css('background-color', settings_bgColor);
}
for (row = 0; row < moduleCount; row += 1) {
for (col = 0; col < moduleCount; col += 1) {
if (qr.isDark(row, col)) {
jq('')
.css(darkCSS)
.css({
left: offset + col * moduleSize,
top: offset + row * moduleSize
})
.appendTo($div);
}
}
}
return $div;
}
function createHTML(settings) {
if (hasCanvas && settings.render === 'canvas') {
return createCanvas(settings);
} else if (hasCanvas && settings.render === 'image') {
return createImage(settings);
}
return createDiv(settings);
}
// Plugin
// ======
// Default settings
// ----------------
var defaults = {
// render method: `'canvas'`, `'image'` or `'div'`
render: 'canvas',
// version range somewhere in 1 .. 40
minVersion: 1,
maxVersion: 40,
// error correction level: `'L'`, `'M'`, `'Q'` or `'H'`
ecLevel: 'L',
// offset in pixel if drawn onto existing canvas
left: 0,
top: 0,
// size in pixel
size: 200,
// code color or image element
fill: '#000',
// background color or image element, `null` for transparent background
background: null,
// content
text: 'no text',
// corner radius relative to module width: 0.0 .. 0.5
radius: 0,
// quiet zone in modules
quiet: 0,
// modes
// 0: normal
// 1: label strip
// 2: label box
// 3: image strip
// 4: image box
mode: 0,
mSize: 0.1,
mPosX: 0.5,
mPosY: 0.5,
label: 'no label',
fontname: 'sans',
fontcolor: '#000',
image: null
};
// Register the plugin
// -------------------
jq.fn.qrcode = function (options) {
var settings = jq.extend({}, defaults, options);
return this.each(function (idx, el) {
if (el.nodeName.toLowerCase() === 'canvas') {
drawOnCanvas(el, settings);
} else {
jq(el).append(createHTML(settings));
}
});
};
}(function () {
// `qrcode` is the single public function defined by the `QR Code Generator`
//---------------------------------------------------------------------
//
// 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 errorCorrectLevel 'L','M','Q','H'
*/
var qrcode = function(typeNumber, errorCorrectLevel) {
var PAD0 = 0xEC;
var PAD1 = 0x11;
var _typeNumber = typeNumber;
var _errorCorrectLevel = QRErrorCorrectLevel[errorCorrectLevel];
var _modules = null;
var _moduleCount = 0;
var _dataCache = null;
var _dataList = new Array();
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, _errorCorrectLevel, _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 = (_errorCorrectLevel << 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, errorCorrectLevel, dataList) {
var rsBlocks = QRRSBlock.getRSBlocks(typeNumber, errorCorrectLevel);
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 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(PAD0, 8);
if (buffer.getLengthInBits() >= totalDataCount * 8) {
break;
}
buffer.put(PAD1, 8);
}
return createBytes(buffer, rsBlocks);
};
_this.addData = function(data) {
var newData = qr8BitByte(data);
_dataList.push(newData);
_dataCache = null;
};
_this.isDark = function(row, col) {
if (row < 0 || _moduleCount <= row || col < 0 || _moduleCount <= col) {
throw new Error(row + ',' + col);
}
return _modules[row][col];
};
_this.getModuleCount = function() {
return _moduleCount;
};
_this.make = function() {
makeImpl(false, getBestMaskPattern() );
};
_this.createTableTag = function(cellSize, margin) {
cellSize = cellSize || 2;
margin = (typeof margin == 'undefined')? cellSize * 4 : margin;
var qrHtml = '';
qrHtml += ';
qrHtml += ' border-width: 0px; border-style: none;';
qrHtml += ' border-collapse: collapse;';
qrHtml += ' padding: 0px; margin: ' + margin + 'px;';
qrHtml += '">';
qrHtml += '';
for (var r = 0; r < _this.getModuleCount(); r += 1) {
qrHtml += '';
for (var c = 0; c < _this.getModuleCount(); c += 1) {
qrHtml += '| ;
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 += ' |
';
}
qrHtml += '';
qrHtml += '
'
;
return qrHtml;
};
_this.createImgTag =
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 createImgTag(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
;
}
} );
};
return _this;
};
//---------------------------------------------------------------------
// qrcode.stringToBytes
//---------------------------------------------------------------------
qrcode.stringToBytes =
function(s) {
var bytes =
new Array();
for (
var i = 0; i < s.length; i += 1
) {
var c =
s.charCodeAt(i);
bytes.push(c & 0xff
);
}
return bytes;
};
//---------------------------------------------------------------------
// 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 new Error();
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 new Error(count + ' != ' +
numChars);
}
return unicodeMap;
}();
var unknownChar = '?'.charCodeAt(0
);
return function(s) {
var bytes =
new Array();
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
};
//---------------------------------------------------------------------
// 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 =
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 new Error('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 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);
}
};
_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 new Error('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 new Error(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, errorCorrectLevel) {
switch(errorCorrectLevel) {
case QRErrorCorrectLevel.L :
return RS_BLOCK_TABLE[(typeNumber - 1) * 4 + 0
];
case QRErrorCorrectLevel.M :
return RS_BLOCK_TABLE[(typeNumber - 1) * 4 + 1
];
case QRErrorCorrectLevel.Q :
return RS_BLOCK_TABLE[(typeNumber - 1) * 4 + 2
];
case QRErrorCorrectLevel.H :
return RS_BLOCK_TABLE[(typeNumber - 1) * 4 + 3
];
default :
return undefined;
}
};
_this.getRSBlocks =
function(typeNumber, errorCorrectLevel) {
var rsBlock =
getRsBlockTable(typeNumber, errorCorrectLevel);
if (
typeof 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 += 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 =
new Array();
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;
};
//---------------------------------------------------------------------
// 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;
};
//=====================================================================
// GIF Support etc.
//
//---------------------------------------------------------------------
// byteArrayOutputStream
//---------------------------------------------------------------------
var byteArrayOutputStream =
function() {
var _bytes =
new Array();
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 new Error('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 new Error('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 new Error('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 new Error('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 new Error('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 createImgTag =
function(width, height, getPixel, alt) {
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();
var img = ''
;
img += '
;
img += '\u0020src="';
img += 'data:image/gif;base64,';
img += base64;
img += '"';
img += '\u0020width="';
img += width;
img += '"';
img += '\u0020height="';
img += height;
img += '"';
if (alt) {
img += '\u0020alt="';
img += alt;
img += '"';
}
img += '/>';
return img;
};
//---------------------------------------------------------------------
// returns qrcode function.
return qrcode;
}();
(function (factory) {
if (typeof define === 'function' && define.amd) {
define([], factory);
} else if (typeof exports === 'object') {
module.exports = factory();
}
}(function () {
return qrcode;
}));
//---------------------------------------------------------------------
//
// QR Code Generator for JavaScript UTF8 Support (optional)
//
// Copyright (c) 2011 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
//
//---------------------------------------------------------------------
!function(qrcode) {
//---------------------------------------------------------------------
// overwrite qrcode.stringToBytes
//---------------------------------------------------------------------
qrcode.stringToBytes = 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);
};
}(qrcode);
return qrcode; // eslint-disable-line no-undef
}()));
