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index.html
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<!DOCTYPE html>
<html>
<head>
<meta charset="utf-8">
<meta http-equiv="Content-Type" content="text/html; charset=utf-8"/>
<meta name="viewport" content="width=device-width, initial-scale=1.0"/>
<title>QR Code Model 2</title>
<link rel="stylesheet" href="//netdna.bootstrapcdn.com/bootstrap/3.0.0/css/bootstrap.min.css"/>
<link rel="stylesheet" href="//netdna.bootstrapcdn.com/bootstrap/3.0.0/css/bootstrap-theme.min.css"/>
<link rel="stylesheet" href="//netdna.bootstrapcdn.com/font-awesome/3.2.1/css/font-awesome.css"/>
<style>
@import url(https://fonts.googleapis.com/css?family=Roboto+Slab|Open+Sans:400,300,300italic,400italic,600,600italic,700,700italic,800,800italic&subset=latin-ext);
body {
background-color: #FFFFFF;
font-family: 'Open Sans', sans-serif;
font-weight: 400;
}
h1, h2, h3, h4, h5, h6, .h1, .h2, .h3, .h4, .h5, .h6 {
color: #555555 !important;
font-family: 'Roboto Slab', serif;
line-height: 1.3;
}
.navbar-brand {
font-family: 'Roboto Slab', serif;
}
#canvas {
image-rendering: -moz-crisp-edges; /* FF 6.0+ */
image-rendering: -webkit-optimize-contrast; /* Webkit */
/* (Safari now, Chrome soon) */
image-rendering: -o-crisp-edges; /* OS X & Windows Opera (12.02+) */
image-rendering: optimize-contrast; /* Possible future browsers. */
-ms-interpolation-mode: nearest-neighbor; /* IE */
}
.canvas {
text-align: center;
padding-top: 32px;
padding-bottom: 32px;
background-color: #EEEEEE;
border: 1px solid #CCCCCC;
border-radius: 4px;
}
.page-header {
margin-top: 0;
}
form.form-horizontal textarea {
resize: vertical;
}
form.form-horizontal .input-group label {
min-width: 130px;
text-align: right;
vertical-align: top;
padding-top: 9px;
}
form.form-horizontal .input-group {
margin-bottom: 8px;
}
.info.list-group {
box-shadow: none;
}
.info .list-group-item {
display: table-row;
}
.info div {
display: table-cell;
padding-bottom: 8px;
}
.info div.label {
color: #555555 !important;
font-size: 1em;
text-align: right;
margin-right: 4px
}
.info div.data {
white-space: pre-wrap;
word-break: break-all;
}
.info div.label:after {
content: ':'
}
</style>
</head>
<body>
<div id="wrap">
<div class="navbar navbar-default navbar-static-top">
<div class="container">
<div class="navbar-header">
<button type="button" class="navbar-toggle" data-toggle="collapse" data-target=".navbar-collapse">
<span class="icon-bar"></span>
<span class="icon-bar"></span>
<span class="icon-bar"></span>
</button>
<a class="navbar-brand" href="index.html">
<i class="icon-qrcode"></i>
QR Code Model 2
</a>
</div>
<div class="navbar-collapse collapse">
<ul class="nav navbar-nav">
<li class="dropdown">
<a title="References" class="dropdown-toggle" data-toggle="dropdown" href="#">
<i class="icon-book icon-large"></i>
References
<b class="caret"></b>
</a>
<ul class="dropdown-menu">
<li class="dropdown-header">Inventor’s Page</li>
<li><a target="_blank" href="http://www.qrcode.com/en/">QRcode.com｜DENSO WAVE</a></li>
<li class="divider"></li>
<li class="dropdown-header">Info</li>
<li><a target="_blank" href="http://en.wikipedia.org/wiki/QR_code">QR code - Wikipedia, the free encyclopedia</a></li>
<li class="divider"></li>
<li class="dropdown-header">Documentation</li>
<li><a target="_blank" href="http://www.swisseduc.ch/informatik/theoretische_informatik/qr_codes/docs/qr_standard.pdf">INTERNATIONAL STANDARD ISO/IEC 18004</a></li>
<li class="divider"></li>
<li class="dropdown-header">Tutorials</li>
<li><a target="_blank" href="http://www.thonky.com/qr-code-tutorial/">QR Code Tutorial</a></li>
<li><a target="_blank" href="http://www.swetake.com/qrcode/index-e.html">QRCode (Tutorial and demo)</a></li>
<li class="divider"></li>
<li class="dropdown-header">QR Code Desktop Reader</li>
<li><a target="_blank" href="http://www.codetwo.pl/freeware/qr-code-desktop-reader/">CodeTwo QR Code Desktop Reader</a>
<li class="dropdown-header">QR Code Commandline Decoder</li>
<li><a target="_blank" href="http://zbar.sourceforge.net/">ZBar bar code reader</a>
</li>
</ul>
</li>
<li class="dropdown">
<a title="Examples" class="dropdown-toggle" data-toggle="dropdown" href="#">
<i class="icon-edit icon-large"></i>
Examples
<b class="caret"></b>
</a>
<ul class="dropdown-menu examples">
<li><a href="#">Lorem ipsum dolor sit amet, consectetur adipiscing elit.</a></li>
<li><a href="#">Pchnąć w tę łódź jeża lub ośm skrzyń fig.</a></li>
<li><a href="#">Любя, съешь щипцы, — вздохнёт мэр, — кайф жгуч.</a></li>
<li><a href="#">El jefe buscó el éxtasis en un imprevisto baño de whisky y gozó como un duque.</a></li>
<li><a href="#">川月木心火左北今名美見外成空明静海雲新語道聞強飛</a></li>
<li><a href="#">דג סקרן שט בים מאוכזב ולפתע מצא חברה</a></li>
<li><a href="#">키스의 고유조건은 입술끼리 만나야 하고 특별한 기술은 필요치 않다.</a></li>
<li><a href="#">À noite, vovô Kowalsky vê o ímã cair no pé do pingüim queixoso e vovó põe açúcar no chá de tâmaras do jabuti feliz.</a></li>
<li><a href="#">Ταχίστη αλώπηξ βαφής ψημένη γη, δρασκελίζει υπέρ νωθρού κυνός</a></li>
<li><a href="#">Ça me fait peur de fêter noël là, sur cette île bizarroïde où une mère et sa môme essaient de me tuer avec un gâteau à la cigüe brûlé.</a></li>
</ul>
</li>
<li>
<a target="_blank" title="Tests" href="qunit/index.src.html">
<i class="icon-wrench icon-large"></i>
Tests
</a>
</li>
<li>
<a target="_blank" title="GitHub" href="https://github.com/siciarek/javascript-qrcode">
<i class="icon-github icon-large"></i>
Source on GitHub
</a>
</li>
<li>
<a target="_blank" title="NPM" href="https://www.npmjs.org/package/javascript-qrcode">
<i class="icon-info-sign icon-large"></i>
Module on NPM
</a>
</li>
</ul>
</div>
</div>
</div>
<div class="container">
<div class="row">
<div class="col-md-12">
<div class="page-header">
<h1>
<i class="icon-qrcode text-muted"></i>
QR Code Model 2
</h1>
</div>
</div>
</div>
<div class="row">
<div class="col-md-6">
<form class="form-horizontal qrcode-form">
<div class="input-group">
<label class="input-group-addon" for="data">Data</label>
<textarea name="data" id="data" class="form-control" rows="5" placeholder="Insert textual data"></textarea>
</div>
<span class="help-block data"></span>
<div class="input-group">
<label class="input-group-addon" for="ec">Error Correction</label>
<select name="ec" id="ec" class="form-control">
<option title="Level L (Low) ~7% of codewords can be restored." value="L">Level L (Low) ~7% of codewords can be
restored.
</option>
<option title="Level M (Medium) ~15% of codewords can be restored." value="M" selected="selected">Level M (Medium) ~15% of
codewords can be restored.
</option>
<option title="Level Q (Quartile) ~25% of codewords can be restored." value="Q">Level Q (Quartile) ~25% of codewords can
be restored.
</option>
<option title="Level H (High) ~30% of codewords can be restored." value="H">Level H (High) ~30% of codewords can be
restored.
</option>
</select>
</div>
<div class="input-group">
<label class="input-group-addon" for="version">Version</label>
<select name="version" id="version" class="form-control">
<option value="0" selected="selected">Auto</option>
</select>
</div>
<div class="input-group">
<label class="input-group-addon" for="version">Mask Pattern</label>
<select name="mask" id="mask" class="form-control">
<option value="" selected="selected">Auto</option>
<option value="-1">Raw Data</option>
</select>
</div>
<div class="input-group">
<label class="input-group-addon" for="size">Module Size</label>
<select name="size" id="size" class="form-control">
<option value="2">Small</option>
<option value="3" selected="selected">Medium</option>
<option value="5">Large</option>
</select>
</div>
<br/>
<a href="javascript:void(null)" id="generate-qrcode" class="btn btn-default btn-lg pull-right hidden">
<i class="icon-cog text-muted"></i>
Generate
</a>
<div class="clearfix"></div>
<br/>
<br/>
</form>
</div>
<div class="col-md-6">
<div class="canvas center">
<canvas id="canvas"></canvas>
</div>
<div>
<h3>
<i class="icon-info-sign text-muted"></i>
Info
</h3>
<div id="info"></div>
</div>
</div>
</div>
</div>
</div>
<script src="//code.jquery.com/jquery.js"></script>
<script src="//cdn.jsdelivr.net/jquery.cookie/1.3.1/jquery.cookie.js"></script>
<script src="//netdna.bootstrapcdn.com/bootstrap/3.0.0/js/bootstrap.min.js"></script>
<script src="src/Utils.js"></script>
<script src="src/QrCode/Exceptions.js"></script>
<script src="src/QrCode/GeneratorPolynominal.js"></script>
<script src="src/QrCode/Config.js"></script>
<script src="src/QrCode/ErrorCorrection.js"></script>
<script src="src/QrCode/DataEncoder.js"></script>
<script src="src/QrCode/DataAnalyzer.js"></script>
<script src="src/QrCode/Matrix.js"></script>
<script src="src/QrCode/Matrix.js"></script>
<script src="src/QrCode/Mask.js"></script>
<script src="src/QrCode/Evaluation.js"></script>
<script src="src/QrCode/QrCode.js"></script>
<script>
var data = 'Lorem ipsum dolor sit amet, consectetur adipiscing elit.';
var ecstrategy = ['M'];
var version = null;
var maskPattern = null;
var maskTest = false;
var quietZoneSize = 4;
var modulesize = 3;
/**
* HTTP HttpRequest support
* @constructor
*/
var HttpRequest = function () {
this.href = location.href;
this.host = this.href.split('?').shift();
this.query = this.href.split('?').pop();
this.params = this.getParams();
};
HttpRequest.prototype.constructor = HttpRequest;
HttpRequest.prototype.getParams = function () {
var params = {};
if (location.search) {
var parts = location.search.slice(1).split('&');
parts.forEach(function (part) {
var pair = part.split('=');
pair[0] = decodeURIComponent(pair[0]);
pair[1] = decodeURIComponent(pair[1]);
params[pair[0]] = (pair[1] !== 'undefined') ? pair[1] : true;
});
}
return params;
};
function setInfo(info) {
var size = 4 * (info.version - 1) + 21;
info.size = size + ' × ' + size;
var fields = {
version: 'Version',
size: 'Size',
mode: 'Mode',
eclevel: 'Error Correction',
pattern: 'Mask Pattern',
capacity: 'Max Capacity',
charcount: 'Character Count',
datalen: 'Data Size',
data: 'Data'
};
var html = '';
html += '<ul class="list-group info">';
for (var key in fields) {
if (fields.hasOwnProperty(key) && info.hasOwnProperty(key)) {
var value = info[key];
var field = fields[key];
if (key === 'eclevel') {
value = $('select[name="ec"]').find('option[value="' + value + '"]').text();
}
else if (key === 'datalen') {
value += ' B';
}
html += '<li class="list-group-item"><div class="label">' + field + '</div><div class="' + key + '">' + value + '</div></li>';
}
}
html += '</ul>';
$('#info').html(html);
}
function draw(code, blocksize, quietZoneSize) {
blocksize = blocksize || 4;
quietZoneSize = quietZoneSize || 4;
var colors = {};
colors[code.matrix.DATA_DARK_MODULE] = '#000000';
colors[code.matrix.DATA_LIGHT_MODULE] = '#FFFFFF';
colors[code.matrix.DATA_UNDEFINED_MODULE] = '#CCCCCC';
var quietZone = quietZoneSize * blocksize;
var size = code.getSize() * blocksize + 2 * quietZone;
var grid = code.getData();
console.log(grid.toSource());
var canvas = document.getElementById('canvas');
canvas.setAttribute('width', size);
canvas.setAttribute('height', size);
var context = canvas.getContext('2d');
context.beginPath();
context.fillStyle = colors[code.matrix.DATA_LIGHT_MODULE];
context.rect(0, 0, size, size);
context.fill();
for (var top = 0; top < grid.length; top++) {
for (var left = 0; left < grid[0].length; left++) {
if (grid[top][left] !== 0) {
context.beginPath();
context.fillStyle = colors[grid[top][left]];
context.rect(quietZone + left * blocksize, quietZone + top * blocksize, blocksize, blocksize);
context.fill();
}
}
}
}
var request = new HttpRequest();
if (request.params.hasOwnProperty('data')) {
data = request.params['data'];
}
if (request.params.hasOwnProperty('ec')) {
ecstrategy = [request.params['ec']];
}
if (request.params.hasOwnProperty('mp')) {
maskPattern = request.params['mp'];
}
if (request.params.hasOwnProperty('mt')) {
maskTest = request.params['mt'] == 1;
}
if (request.params.hasOwnProperty('version')) {
version = request.params['version'];
}
if (request.params.hasOwnProperty('size')) {
var temp = parseInt(request.params['size']);
modulesize = !isNaN(temp) && temp > 0 ? temp : modulesize;
}
function run(data, ecstrategy, maskPattern, version, modulesize, quietZoneSize, dataOnly) {
dataOnly = dataOnly || false;
try {
var qrcode = new QrCode(data, ecstrategy, maskPattern, version, dataOnly, maskTest);
draw(qrcode, modulesize, quietZoneSize);
var info = qrcode.getInfo();
info.charcount = data.length;
setInfo(qrcode.getInfo());
}
catch (e) {
$('.qrcode-form .help-block.data').html(e.toString());
}
}
run(data, ecstrategy, maskPattern, version, modulesize, quietZoneSize, false);
</script>
<script>
function clearCanvas(context, canvas) {
context.clearRect(0, 0, canvas.width, canvas.height);
var w = canvas.width;
canvas.width = 1;
canvas.width = w;
}
$(document).ready(function () {
var o;
$('.dropdown-menu.examples').on('click', 'li a', function (e) {
e.preventDefault();
var self = $(this);
$('.qrcode-form textarea').val(self.html()).trigger('keyup');
});
$('.qrcode-form textarea').val(data);
for (o = 1; o <= 40; o++) {
$('.qrcode-form select[name="version"]').append('<option value="' + o + '">' + o + '</option>');
}
for (o = 0; o < 8; o++) {
$('.qrcode-form select[name="mask"]').append('<option value="' + o + '">' + o + '</option>');
}
$('.qrcode-form')
.on('change', 'select', function () {
var self = $(this);
if (self.attr('name') === 'version') {
if (self.val() > 35) {
$('#size').val(2);
} else {
$('#size').val(3);
}
}
$('#generate-qrcode').trigger('click');
})
.on('focus', 'textarea', function () {
var self = $(this);
var val = self.val();
// self.attr('tempval', val);
// self.val('');
})
.on('blur', 'textarea', function () {
var self = $(this);
var val = self.val();
if (val.trim().length === 0) {
self.val(self.attr('tempval'));
}
self.removeAttr('tempval');
})
.on('keyup', 'textarea', function () {
var border = {
ok: {
'border-color': '#66AFE9',
'box-shadow': '0 1px 1px rgba(0, 0, 0, 0.075) inset, 0 0 8px rgba(102, 175, 233, 0.6)'
},
notok: {
'border-color': '#FF7777',
'box-shadow': '0 1px 1px rgba(0, 0, 0, 0.075) inset, 0 0 8px rgba(233, 175, 102, 0.6)'
}
};
var br = 'notok';
if ($(this).val().length > 0) {
br = 'ok';
$('.qrcode-form .help-block.data').html('');
}
else {
$('.info .list-group-item div.data').html('<em class="text-muted">empty</em>');
$('.info .list-group-item div.charcount').html('<em class="text-muted">0</em>');
$('.info .list-group-item div.datalen').html('<em class="text-muted">0 B</em>');
}
$('.form-control:focus').css(border[br]);
$('#generate-qrcode').trigger('click');
});
$('#generate-qrcode').click(function () {
var quietZoneSize = 4;
var maskPattern = null;
var dataOnly = false;
var mask = $('.form-horizontal *[name="mask"]').val();
mask = parseInt(mask);
if (!isNaN(mask) && mask >= 0 && mask < 8) {
maskPattern = parseInt(mask);
}
else if (isNaN(mask)) {
maskPattern = null;
}
else if (mask < 0) {
dataOnly = true;
}
var data = $('.form-horizontal *[name="data"]').val();
var ec = $('.form-horizontal *[name="ec"]').val();
var version = $('.form-horizontal *[name="version"]').val();
version = version == 0 ? null : version;
var modulesize = $('.form-horizontal *[name="size"]').val();
var ecstrategy = [ec];
var canvas = document.getElementById('canvas');
var context = canvas.getContext('2d');
context.webkitImageSmoothingEnabled = false;
clearCanvas(context, canvas);
run(data, ecstrategy, maskPattern, version, modulesize, quietZoneSize, dataOnly);
});
});
</script>
</body>
</html>