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<!DOCTYPE html>
<html>
<head>
<!--Import Google Icon Font-->
<link href="https://fonts.googleapis.com/icon?family=Material+Icons" rel="stylesheet">
<!--Import materialize.css-->
<link type="text/css" rel="stylesheet" href="https://cdnjs.cloudflare.com/ajax/libs/materialize/0.98.1/css/materialize.min.css" media="screen,projection"/>
<!--Let browser know website is optimized for mobile-->
<meta name="viewport" content="width=device-width, initial-scale=1.0"/>
<!-- https://davidshimjs.github.io/qrcodejs/ -->
<script src='https://cdn.rawgit.com/davidshimjs/qrcodejs/gh-pages/qrcode.min.js'></script>
<!-- Include pdfMake - http://pdfmake.org/ -->
<script src='vendor/pdfMake/pdfmake.min.js'></script>
<script src='vendor/pdfMake/vfs_fonts.js'></script>
</head>
<body>
<div class="row" id='row-ui' >
<div class="col s12">
<a class="waves-effect waves-light btn" onclick='hideUI()'><i class="material-icons right">reorder</i>Hide</a>
<h1 class='center-align'>AR-Code Generator</h1>
</div>
<div class="col s12">
<input id="urlQrCode" type="text">
</div>
<div class="input-field col s3">
<input type="checkbox" id="saveInUrl" />
<label for="saveInUrl">Save in url</label>
<input type="checkbox" id="hideUiEnabled" type="hidden"/>
</div>
<div class="input-field col s4 offset-s4">
<a href='https://medium.com/arjs/ar-code-a-fast-path-to-augmented-reality-60e51be3cbdf' target='_blank' class="waves-effect waves-light btn-large">
<i class="material-icons right">info</i>
Info
</a>
<a onclick='generatePdf()' class="waves-effect waves-light btn-large" title='Generate a PDF instruction page'>Pdf</a>
</div>
</div>
<div class="row">
<div class="col s2">
<a class="waves-effect waves-light btn" onclick='showUI()' id='btnShowUI' style='display:none;'><i class="material-icons right">reorder</i>Show</a>
</div>
<div class="col s10"></div>
<div class="col s12">
<div class="valign-wrapper">
<div class="valign center" style="width: 100%;" id='arcode-container' ></div>
</div>
</div>
</div>
</div>
<!--Import jQuery before materialize.js-->
<script type="text/javascript" src="https://code.jquery.com/jquery-2.1.1.min.js"></script>
<script src="https://cdnjs.cloudflare.com/ajax/libs/materialize/0.98.1/js/materialize.min.js"></script>
<script type="text/javascript">
$(document).ready(function() {
Materialize.updateTextFields();
});
</script>
<script>
function hideUI(){
document.querySelector('#hideUiEnabled').checked = true
updateARCode()
}
function showUI(){
document.querySelector('#hideUiEnabled').checked = false
updateARCode()
}
document.querySelector('#urlQrCode').addEventListener('change', updateARCode)
document.querySelector('#saveInUrl').addEventListener('change', updateARCode)
//////////////////////////////////////////////////////////////////////////////
// PDF Generation
//////////////////////////////////////////////////////////////////////////////
function generatePdf(){
console.log('generate PDF')
var urlQrCode = document.querySelector('#urlQrCode').value
var docDefinition = {
header: [
{
text: 'AR.js by @jerome_etienne - https://github.com/jeromeetienne/ar.js',
margin: [0, 0],
alignment: 'center',
},
],
content: [
{
image: canvas.toDataURL(),
width: 320,
alignment: 'center',
},
{
text: [
{
text: '\nAR-CODE ',
fontSize: 30,
bold: true,
},
{
text: 'for',
fontSize: 20,
bold: false,
}
],
alignment: 'center',
},
{
text: urlQrCode,
alignment: 'center',
margin: [0, 10],
},
{
text: 'How to Use an AR-Code ?',
fontSize: 24,
margin: [0, 20],
},
{
text: 'Step 1 - Get a Phone',
bold: true,
fontSize: 15,
},
{
text: [
'It works on any browser with WebGL and WebRTC. So android works. Windows mobile works. ',
'IOS doesn\'t work unfortunately. IOS safari doesn\'t support WebRTC at the moment.',
' Apple is currently working on it tho. Let\'s hope they join the party soon!'
],
margin: [0, 10, 0 , 30],
},
{
text: 'Step 2 - Scan the QR-Code',
bold: true,
fontSize: 15,
},
{
text: [
'It will open your web browser to an augmented reality page. ',
'It will open the url from the qr-code to some AR.js content. ',
'Then your phone will use the camera to find out the position ',
'of the marker and display 3d content on top of it. ',
],
margin: [0, 10, 0 , 30],
},
{
text: 'Step 3 - Point the Phone at the Hiro Marker',
bold: true,
fontSize: 15,
},
{
text: [
'You are ',
{ text: 'DONE', bold: true, },
'! Enjoy the Augmented Reality :)',
],
margin: [0, 10, 0 , 30],
},
],
}
pdfMake.createPdf(docDefinition).open();
// pdfMake.createPdf(docDefinition).download('optionalName.pdf');
}
//////////////////////////////////////////////////////////////////////////////
// build canvas
//////////////////////////////////////////////////////////////////////////////
var canvas = document.createElement('canvas');
document.querySelector('#arcode-container').appendChild(canvas)
canvas.width = 1024;
canvas.height = 1024;
canvas.style.width = '512px';
canvas.style.height = '512px';
var context = canvas.getContext('2d')
var hiroImage = new Image;
hiroImage.onload = function() {
console.log('hiro image loaded')
if( location.hash.substr(1) !== '' ){
var parameters = JSON.parse(decodeURIComponent(location.hash.substr(1)))
document.querySelector('#urlQrCode').value = parameters.urlQrCode
document.querySelector('#hideUiEnabled').checked = parameters.hideUiEnabled
document.querySelector('#saveInUrl').checked = true
// debugger;
}else{
document.querySelector('#urlQrCode').value = 'https://jeromeetienne.github.io/AR.js/three.js/examples/mobile-performance.html'
}
updateARCode()
}
hiroImage.src = '../../data/images/hiro.png';
function updateARCode(){
var urlQrCode = document.querySelector('#urlQrCode').value
var hideUiEnabled = document.querySelector('#hideUiEnabled').checked
var saveInUrl = document.querySelector('#saveInUrl').checked
var parameters = {
urlQrCode : urlQrCode,
hideUiEnabled: hideUiEnabled,
}
// generate the ar-code canvas
generateArCodeCanvas(canvas, urlQrCode, function onReady(){
console.log('ar-code generated for', urlQrCode)
})
if( hideUiEnabled === true ){
document.querySelector('#row-ui').style.display = 'none'
document.querySelector('#btnShowUI').style.display = 'block'
}else{
document.querySelector('#row-ui').style.display = 'block'
document.querySelector('#btnShowUI').style.display = 'none'
}
//////////////////////////////////////////////////////////////////////////////
// update location.hash if suitable
//////////////////////////////////////////////////////////////////////////////
if( saveInUrl === true ){
location.hash = '#' + encodeURIComponent(JSON.stringify(parameters))
}else{
// magic to remove the old location.hash
history.pushState("", document.title, location.pathname + location.search);
}
}
//////////////////////////////////////////////////////////////////////////////
// Code Separator
//////////////////////////////////////////////////////////////////////////////
/**
* Generate AR-Code
*/
function generateArCodeCanvas(canvas, text, onLoad){
var context = canvas.getContext('2d')
context.drawImage(hiroImage, 0, 0, canvas.width, canvas.height);
generateQrCodeImage(text, function onLoaded(qrCodeImage){
console.log('qrcode generated')
context.drawImage(qrCodeImage,canvas.width*0.50,canvas.height*0.30,canvas.width*0.20, canvas.height*0.20);
onLoad && onLoad()
})
}
/**
* Generate AR-Code
*/
function generateQrCodeImage(text, onLoaded){
var container = document.createElement('div')
var qrcode = new QRCode(container, {
text: text,
width: 256,
height: 256,
colorDark : '#000000',
colorLight : '#ffffff',
// correctLevel : QRCode.CorrectLevel.H
});
var qrCodeImage = container.querySelector('img')
qrCodeImage.addEventListener('load', function(){
onLoaded(qrCodeImage)
})
}
</script></body></html>