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index.html
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<!doctype html>
<html><head>
<meta charset="UTF-8">
<meta name="viewport" content="width=device-width, initial-scale=1.0">
<title>Boarding-Pass Barcode Aztec QR Generator</title>
<script>
(function(i,s,o,g,r,a,m){i['GoogleAnalyticsObject']=r;i[r]=i[r]||function(){
(i[r].q=i[r].q||[]).push(arguments)},i[r].l=1*new Date();a=s.createElement(o),
m=s.getElementsByTagName(o)[0];a.async=1;a.src=g;m.parentNode.insertBefore(a,m)
})(window,document,'script','https://www.google-analytics.com/analytics.js','ga');
ga('create', 'UA-2231125-6', 'auto');
ga('send', 'pageview');
</script>
<script type="text/javascript">
"use strict"
var textOut = null
var textIn = ""
var fields = {}
var run, getDayOfYear
var ctx = null
function start()
{
run = Module.cwrap('run', null, ['number', 'string', 'number', 'number'])
ctx = theimg3.getContext('2d')
// var d = new Date()
// var dy = getDayOfYear(d.getDate(), d.getMonth(), d.getFullYear())
// dayOfYearEd.value = '' + dy
dateEd.value = todayInputValue()
formatName()
formatField('bookRef')
formatField('from')
formatField('to')
formatField('fOp')
formatField('fNum')
readDate()
formatClass()
formatSeat()
formatSeqNum()
format()
}
function errclear() {
errMsg.innerHTML = ''
errMsg.style.visibility = 'hidden'
}
function err(msg) {
if (errMsg.innerHTML == '') {
errMsg.innerHTML = msg
errMsg.style.visibility = 'visible'
}
}
function update(fromRaw)
{
if (!fromRaw)
textEdit.value = textIn
else
textIn = textEdit.value
var ecc = parseInt(eccSelect.value)
var ssize = parseInt(symSize.value) // if this is 0, ecc is used
var btype = parseInt(codeTypeSel.value)
run(btype, textIn, ecc, ssize)
// theimg.innerHTML = textOut
theimg2.onload = function() {
theimg3.width = theimg2.width
theimg3.height = theimg2.height
ctx.drawImage(theimg2, 0, 0)
}
var b = new Blob([textOut], {type: "image/svg+xml"});
var reader = new FileReader();
reader.onload = function(e) {
theimg2.src = e.target.result
}
reader.onerror = function(e) {
console.log(e)
}
reader.readAsDataURL(b); // read as data URL since we want to put it in an img src
}
function format() {
textIn = "M1" + fields.name + "E" + fields.bookRef + fields.from + fields.to
+ fields.fOp + fields.fNum + fields.date + fields.cls + fields.seat + fields.seqNum
+ "1" + "00"
// 1 passenger status, 00 - hex length of following data
update()
}
function upPadRight(s, n) {
s = s.toUpperCase()
while(s.length < n)
s = s + ' ';
return s.substr(0,n)
}
function padLeft(s, n) {
s = s.toUpperCase()
while(s.length < n)
s = '0' + s;
return s.substr(0,n)
}
function formatName(doRun) {
errclear()
if (lastNameEd.value.length > 18) // need space for slash and last name
err("first name longer than 18 charcters")
var v = lastNameEd.value + "/" + firstNameEd.value
if (v.length > 20)
err("first+last name longer than 20 characters")
fields.name = upPadRight(v, 20)
if (doRun)
format()
}
var fldDef = {
'bookRef': { pad: 7, desc:"Booking Ref"},
'from': { pad: 3, desc:"From"},
'to': { pad: 3, desc:"To"},
'fOp': { pad: 3, desc:"Flight Operator"},
'fNum': { pad: 5, desc:"Flight Number"}
}
function formatField(name, doRun) {
errclear('')
var def = fldDef[name]
var v = document.getElementById(name + "Ed").value
if (v.length > def.pad)
err('"' + def.desc + '" longer than ' + def.pad + " chars")
fields[name] = upPadRight(v, def.pad)
if (doRun)
format()
}
function formatDay(doRun) {
fields.date = padLeft(dayOfYearEd.value, 3)
if (doRun)
format()
}
function todayInputValue() { // http://stackoverflow.com/questions/6982692/html5-input-type-date-default-value-to-today
var local = new Date();
// local.setMinutes(this.getMinutes() - this.getTimezoneOffset());
return local.toJSON().slice(0,10);
}
function dayOfYear(yr, mon, mday)
{
var now = new Date(yr, mon, mday, 1, 0, 0)
var start = new Date(yr, 0, 1, 0, 0);
var diff = now - start;
var oneDay = 1000 * 60 * 60 * 24;
var day = Math.floor(diff / oneDay) + 1; // start at 1
return day
}
function readDate(toRun) {
var dl = dateEd.value.split('-')
var mday = parseInt(dl[2])
var mon = parseInt(dl[1]) - 1 // the range of the input is [1-12]
var yr = parseInt(dl[0])
dayOfYearEd.value = dayOfYear(yr, mon, mday)
formatDay(toRun)
}
function formatClass(doRun) {
fields.cls = classSel.value
if (doRun)
format()
}
function formatSeat(doRun) {
errclear()
var n = seatNumEd.value
if (n.length > 4)
err("Seat longer than 4 chars")
fields.seat = padLeft(n, 4)
if (doRun)
format()
}
function formatSeqNum(doRun) {
errclear()
var n = seqNumEd.value
if (n.length > 4)
err("Seat longer than 4 chars")
fields.seqNum = upPadRight(padLeft(n, 4), 5)
if (doRun)
format()
}
function typeUpdate() {
if (codeTypeSel.value == "0")
symSize.value = "11" // size of the aztec
else
symSize.value = "6" // columns in the barcode
update()
}
</script>
<script src="js_qr_brd.js"></script>
<style>
#textEdit {
width: 100%;
max-width: 500px;
}
body, input {
font-family: monospace;
}
input, #classSel {
font-size: 130%;
}
#errMsg {
position: fixed;
top: 0;
left: 0;
color: red;
font-size: 130%;
background-color: #fee;
text-align: center;
width: 96%;
padding: 4px;
border: red solid 1px;
visibility: hidden;
max-width: 500px;
}
#theimg {
margin: 5px;
max-width: 500px;
margin: 20px 0 420px 0;
}
#theimg2 {
/*display: none;*/
visibility: hidden;
position: fixed; /* IE display none causes size to be 0 */
}
#theimg3 {
width: 100%;
margin: 5px;
max-width: 500px;
margin: 20px 0 420px 0;
}
.unimpCol {
color: #bbb;
}
#inputArea {
font-size: 120%;
}
.tlabel {
display: inline-block;
margin-top: 7px;
}
#codeTypeSel {
font-size: 120%;
}
</style>
</head>
<body id="body" onload="start()" >
<div id="errMsg"></div>
<div id="inputArea">
<span class="tlabel">First Name</span><br>
<input id="firstNameEd" type="text" value="John" oninput="formatName(true)"><br>
<span class="tlabel">Last Name</span><br>
<input id="lastNameEd" type="text" value="Doe" oninput="formatName(true)"><br>
<span class="unimpCol tlabel">Booking-Ref</span><br>
<input id="bookRefEd" class="unimpCol" type="text" value="XYZ123" oninput="formatField('bookRef', true)"><br>
<span class="tlabel">From</span><br>
<input id="fromEd" type="text" value="ZRH" oninput="formatField('from', true)"><br>
<span class="tlabel">To</span><br>
<input id="toEd" type="text" value="SFO" oninput="formatField('to', true)"><br>
<span class="tlabel">Flight Operator</span><br>
<input id="fOpEd" type="text" value="BA" oninput="formatField('fOp',true)"><br>
<span class="tlabel">Flight Number</span><br>
<input id="fNumEd" type="text" value="1234" oninput="formatField('fNum', true)"><br>
<span class="tlabel">Date</span><br>
<input id="dateEd" type="date" oninput="readDate(true)"><br>
<span class="unimpCol tlabel">Day in year</span><br>
<input id="dayOfYearEd" type="text" class="unimpCol" value="0" oninput="formatDay(true)"><br>
<span class="tlabel">Class</span><br>
<select id="classSel" onchange="formatClass(true)">
<option value="F">First</option>
<option value="C">Business</option>
<option value="Y">Economy</option>
</select><br>
<span class="tlabel">Seat</span><br>
<input id="seatNumEd" type="text" value="35A" oninput="formatSeat(true)"><br>
<span class="unimpCol tlabel">Boarding Index</span><br>
<input id="seqNumEd" class="unimpCol" type="text" value="0001" oninput="formatSeqNum(true)"><br>
</div>
<span class="unimpCol">Raw Data:</span><br>
<textarea id="textEdit" rows="4" cols="50" class="unimpCol" oninput="update(true)">
hello</textarea>
<br><span class="unimpCol">Error-Correction</span>
<select id="eccSelect" class="unimpCol" onchange="update()">
<option value="0">-1</option>
<option value="0">0</option>
<option value="1">1</option>
<option value="2">2</option>
<option value="3">3</option>
</select>
<br><span class="unimpCol">Symbol-Size</span>
<input id="symSize" type="number" class="unimpCol" onchange="update()" value="11">
<br><select id="codeTypeSel" class="unimpCol" onchange="typeUpdate()">
<option value="0">aztec</option>
<option value="1">pdf417</option>
</select>
<br><br>
<!-- <div id="theimg"></div> -->
<img id="theimg2">
<canvas id="theimg3"></canvas>
</body>
</html>