1469 lines
48 KiB
JavaScript
1469 lines
48 KiB
JavaScript
'use strict';
|
|
let qrCodeGenerator = null;
|
|
|
|
// Library interface
|
|
export default class QrCreator {
|
|
static render(config, $element) {
|
|
qrCodeGenerator(config, $element);
|
|
}
|
|
}
|
|
// avoid that closure compiler strips these away
|
|
QrCreator['render'] = QrCreator.render;
|
|
self['QrCreator'] = QrCreator;
|
|
|
|
|
|
/*! jquery-qrcode v0.14.0 - https://larsjung.de/jquery-qrcode/ */
|
|
(function(vendor_qrcode) {
|
|
|
|
// 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(),
|
|
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);
|
|
}
|
|
|
|
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) { }
|
|
}
|
|
return undefined;
|
|
}
|
|
|
|
function drawBackground(qr, context, settings) {
|
|
if (settings.background) {
|
|
context.fillStyle = settings.background;
|
|
context.fillRect(settings.left, settings.top, settings.size, settings.size);
|
|
}
|
|
}
|
|
|
|
// used when center is filled
|
|
function drawModuleRoundedDark(ctx, l, t, r, b, rad, nw, ne, se, sw) {
|
|
//let moveTo = (x, y) => ctx.moveTo(Math.floor(x), Math.floor(y));
|
|
if (nw) {
|
|
ctx.moveTo(l + rad, t);
|
|
} else {
|
|
ctx.moveTo(l, t);
|
|
}
|
|
|
|
function lal(b, x0, y0, x1, y1, r0, r1) {
|
|
if (b) {
|
|
ctx.lineTo(x0 + r0, y0 + r1);
|
|
ctx.arcTo(x0, y0, x1, y1, rad);
|
|
} else {
|
|
ctx.lineTo(x0, y0);
|
|
}
|
|
}
|
|
|
|
lal(ne, r, t, r, b, -rad, 0);
|
|
lal(se, r, b, l, b, 0, -rad);
|
|
lal(sw, l, b, l, t, rad, 0);
|
|
lal(nw, l, t, r, t, 0, rad);
|
|
}
|
|
|
|
// used when center is empty
|
|
function drawModuleRoundendLight(ctx, l, t, r, b, rad, nw, ne, se, sw) {
|
|
function mlla(x, y, r0, r1) {
|
|
ctx.moveTo(x+r0, y);
|
|
ctx.lineTo(x, y);
|
|
ctx.lineTo(x, y+r1);
|
|
ctx.arcTo(x, y, x+r0, y, rad);
|
|
}
|
|
|
|
if (nw) mlla(l, t, rad, rad);
|
|
if (ne) mlla(r, t, -rad, rad);
|
|
if (se) mlla(r, b, -rad, -rad);
|
|
if (sw) mlla(l, b, rad, -rad);
|
|
}
|
|
|
|
function drawModuleRounded(qr, context, settings, left, top, width, row, col) {
|
|
var isDark = qr.isDark,
|
|
right = left + width,
|
|
bottom = top + width,
|
|
rowT = row - 1,
|
|
rowB = row + 1,
|
|
colL = col - 1,
|
|
colR = col + 1,
|
|
radius = Math.floor(Math.min(0.5, Math.max(0, settings.radius)) * width),
|
|
center = isDark(row, col),
|
|
northwest = isDark(rowT, colL),
|
|
north = isDark(rowT, col),
|
|
northeast = isDark(rowT, colR),
|
|
east = isDark(row, colR),
|
|
southeast = isDark(rowB, colR),
|
|
south = isDark(rowB, col),
|
|
southwest = isDark(rowB, colL),
|
|
west = isDark(row, colL);
|
|
|
|
left = Math.round(left);
|
|
top = Math.round(top);
|
|
right = Math.round(right);
|
|
bottom = Math.round(bottom);
|
|
|
|
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,
|
|
moduleSize = settings.size / moduleCount,
|
|
row,
|
|
col;
|
|
|
|
context.beginPath();
|
|
for (row = 0; row < moduleCount; row += 1) {
|
|
for (col = 0; col < moduleCount; col += 1) {
|
|
var l = settings.left + col * moduleSize,
|
|
t = settings.top + row * moduleSize,
|
|
w = moduleSize;
|
|
|
|
drawModuleRounded(qr, context, settings, l, t, w, row, col);
|
|
}
|
|
}
|
|
|
|
setFill(context, settings);
|
|
context.fill();
|
|
}
|
|
|
|
function setFill(context, settings) {
|
|
const fill = settings.fill;
|
|
if (typeof fill === 'string') {
|
|
// solid color
|
|
context.fillStyle = fill;
|
|
return;
|
|
}
|
|
const type = fill['type'],
|
|
position = fill['position'],
|
|
colorStops = fill['colorStops'];
|
|
let gradient;
|
|
const absolutePosition = position.map(coordinate => Math.round(coordinate * settings.size));
|
|
if (type === 'linear-gradient') {
|
|
gradient = context.createLinearGradient.apply(context, absolutePosition);
|
|
} else if (type === 'radial-gradient') {
|
|
gradient = context.createRadialGradient.apply(context, absolutePosition);
|
|
} else {
|
|
throw new Error('Unsupported fill');
|
|
}
|
|
colorStops.forEach(([offset, color]) => {
|
|
gradient.addColorStop(offset, color);
|
|
});
|
|
context.fillStyle = gradient;
|
|
}
|
|
|
|
// 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 context = canvas.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 = document.createElement('canvas');
|
|
$canvas.width = settings.size;
|
|
$canvas.height = settings.size;
|
|
return drawOnCanvas($canvas, settings);
|
|
}
|
|
|
|
// Plugin
|
|
// ======
|
|
|
|
// Default settings
|
|
// ----------------
|
|
var defaults = {
|
|
// 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, `null` for transparent background
|
|
'background': null,
|
|
|
|
// content
|
|
'text': 'no text',
|
|
|
|
// corner radius relative to module width: 0.0 .. 0.5
|
|
'radius': 0.5,
|
|
|
|
// quiet zone in modules
|
|
'quiet': 0,
|
|
|
|
};
|
|
|
|
// // Register the plugin
|
|
// // -------------------
|
|
qrCodeGenerator = function(options, $element) {
|
|
var settings = {};
|
|
Object.assign(settings, defaults, options);
|
|
// map real names to minifyable properties used by closure compiler
|
|
settings.minVersion = settings['minVersion'];
|
|
settings.maxVersion = settings['maxVersion'];
|
|
settings.ecLevel = settings['ecLevel'];
|
|
settings.left = settings['left'];
|
|
settings.top = settings['top'];
|
|
settings.size = settings['size'];
|
|
settings.fill = settings['fill'];
|
|
settings.background = settings['background'];
|
|
settings.text = settings['text'];
|
|
settings.radius = settings['radius'];
|
|
settings.quiet = settings['quiet'];
|
|
|
|
if ($element instanceof HTMLCanvasElement) {
|
|
if ($element.width !== settings.size || $element.height !== settings.size) {
|
|
$element.width = settings.size;
|
|
$element.height = settings.size;
|
|
}
|
|
$element.getContext('2d').clearRect(0, 0, $element.width, $element.height);
|
|
drawOnCanvas($element, settings);
|
|
} else {
|
|
const $canvas = createCanvas(settings);
|
|
$element.appendChild($canvas);
|
|
}
|
|
};
|
|
}(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,
|
|
PAD1 = 0x11,
|
|
_typeNumber = typeNumber,
|
|
_errorCorrectLevel = QRErrorCorrectLevel[errorCorrectLevel],
|
|
_modules = null,
|
|
_moduleCount = 0,
|
|
_dataCache = null,
|
|
_dataList = new Array(),
|
|
_this = {},
|
|
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);
|
|
},
|
|
|
|
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;
|
|
}
|
|
}
|
|
}
|
|
},
|
|
|
|
getBestMaskPattern = function() {
|
|
|
|
var minLostPoint = 0,
|
|
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;
|
|
},
|
|
|
|
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);
|
|
}
|
|
},
|
|
|
|
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) {
|
|
|
|
_modules[row + r][col + c] = r == -2 || r == 2 || c == -2 || c == 2 || (r == 0 && c == 0);
|
|
}
|
|
}
|
|
}
|
|
}
|
|
},
|
|
|
|
// TODO rm5 can be removed if we fix type to 5 (this method is called at 7 only)
|
|
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;
|
|
}
|
|
},
|
|
|
|
setupTypeInfo = function(test, maskPattern) {
|
|
|
|
var data = (_errorCorrectLevel << 3) | maskPattern;
|
|
var bits = QRUtil.getBCHTypeInfo(data);
|
|
|
|
for (var i = 0; i < 15; i += 1) {
|
|
let mod = (!test && ((bits >> i) & 1) == 1);
|
|
|
|
// vertical then horizontal
|
|
_modules[i < 6 ? i : (i < 8 ? i + 1 : _moduleCount - 15 + i)][8] = mod;
|
|
_modules[8][i < 8 ? _moduleCount - i - 1 : (i < 9 ? 15 - i : 14 - i)] = mod;
|
|
}
|
|
|
|
// fixed module
|
|
_modules[_moduleCount - 8][8] = (!test);
|
|
},
|
|
|
|
mapData = function(data, maskPattern) {
|
|
|
|
var inc = -1,
|
|
row = _moduleCount - 1,
|
|
bitIndex = 7,
|
|
byteIndex = 0,
|
|
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;
|
|
}
|
|
}
|
|
}
|
|
},
|
|
|
|
createBytes = function(buffer, rsBlocks) {
|
|
|
|
var offset = 0,
|
|
maxDcCount = 0,
|
|
maxEcCount = 0,
|
|
dcdata = new Array(rsBlocks.length),
|
|
ecdata = new Array(rsBlocks.length);
|
|
|
|
for (var r = 0; r < rsBlocks.length; r += 1) {
|
|
|
|
var dcCount = rsBlocks[r].dataCount,
|
|
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),
|
|
rawPoly = qrPolynomial(dcdata[r], rsPoly.getLength() - 1),
|
|
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;
|
|
},
|
|
|
|
createData = function(typeNumber, errorCorrectLevel, dataList) {
|
|
|
|
var rsBlocks = QRRSBlock.getRSBlocks(typeNumber, errorCorrectLevel),
|
|
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());
|
|
};
|
|
|
|
return _this;
|
|
};
|
|
|
|
//---------------------------------------------------------------------
|
|
// qrcode.stringToBytes
|
|
//---------------------------------------------------------------------
|
|
|
|
// UTF-8 version
|
|
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);
|
|
};
|
|
|
|
//---------------------------------------------------------------------
|
|
// QRMode
|
|
//---------------------------------------------------------------------
|
|
|
|
var QRMode = {
|
|
MODE_8BIT_BYTE: 1 << 2,
|
|
};
|
|
|
|
//---------------------------------------------------------------------
|
|
// 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]
|
|
],
|
|
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),
|
|
|
|
_this = {},
|
|
|
|
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;
|
|
};
|
|
|
|
// TODO rm5 (see rm5 above)
|
|
_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 (mode != QRMode.MODE_8BIT_BYTE || type < 1 || type > 40)
|
|
throw new Error('mode: ' + mode + '; type: ' + type);
|
|
|
|
return type < 10 ? 8 : 16;
|
|
};
|
|
|
|
_this.getLostPoint = function(qrcode) {
|
|
|
|
var moduleCount = qrcode.getModuleCount(),
|
|
lostPoint = 0;
|
|
|
|
// LEVEL1
|
|
|
|
for (var row = 0; row < moduleCount; row += 1) {
|
|
for (var col = 0; col < moduleCount; col += 1) {
|
|
|
|
var sameCount = 0,
|
|
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),
|
|
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() {
|
|
|
|
// TODO is it possible to generate this block with JS in let kB?
|
|
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,
|
|
list = new Array();
|
|
|
|
for (var i = 0; i < length; i += 1) {
|
|
|
|
var count = rsBlock[i * 3 + 0],
|
|
totalCount = rsBlock[i * 3 + 1],
|
|
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(),
|
|
_length = 0,
|
|
_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,
|
|
_data = data,
|
|
_bytes = qrcode.stringToBytes(data),
|
|
_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;
|
|
};
|
|
|
|
// returns qrcode function.
|
|
return qrcode;
|
|
}();
|
|
|
|
return qrcode; // eslint-disable-line no-undef
|
|
}()));
|