Qrcode scanner
This commit is contained in:
Ibnu Maksum
281
scan/index.html
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281
scan/index.html
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<!DOCTYPE html>
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<html>
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<head>
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<meta http-equiv="Content-type" content="text/html;charset=UTF-8">
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<meta name="viewport" content="width=device-width, initial-scale=1.0" />
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<title>QR Scanner</title>
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<style>
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video {
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width: 100% !important;
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height: auto !important
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}
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#reload {
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margin-top: 5px;
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margin-bottom: 10px;
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padding: 5px;
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background-color: #0336FF;
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color: #f3f4f5;
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border-radius: 3px;
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width: 150px;
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cursor: pointer
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}
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a {
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text-decoration: none;
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color: #0336FF
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}
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.progress {
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padding: 10px;
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margin-top: 5px
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}
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#camera {
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position: relative;
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width: auto;
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height: 100%
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}
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#camera:after,
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#camera:before,
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#camera>:first-child:after,
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#camera>:first-child:before {
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position: absolute;
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width: 80px;
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height: 80px;
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border-color: red;
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border-style: solid;
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content: ' '
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}
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#camera:before {
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top: 0;
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left: 0;
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border-width: 5px 0 0 5px
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}
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#camera:after {
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top: 0;
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right: 0;
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border-width: 5px 5px 0 0
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}
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#camera>:first-child:before {
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bottom: 0;
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right: 0;
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border-width: 0 5px 5px 0
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}
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#camera>:first-child:after {
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bottom: 0;
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left: 0;
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border-width: 0 0 5px 5px
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}
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#camera-inside {
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padding: 10px;
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margin-bottom: -5px
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}
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#hasil {
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font-size: 20px;
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font-weight: 600px;
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background-color: #76ff03;
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color: #202020
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}
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</style>
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<script type="text/javascript" src="llqrcode.js"></script>
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</head>
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<body>
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<center>
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<div id="main">
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<div id="mainbody">
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<div class="progress">
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<div id="hasil"></div>
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</div>
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<div id="camera">
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<div id="camera-inside"></div>
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</div>
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</div>
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</div>
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<br>
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<div id="reload" onclick="location.reload();">Refresh Camera</div>
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<p><small>Point Camera to Barcode</small></p>
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<br>
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</center>
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<canvas style="display:none;" id="qr-canvas" width="800" height="600"></canvas>
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<script type="text/javascript">
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function getAllUrlParams(e) {
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var t = e ? e.split("?")[1] : window.location.search.slice(1),
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a = {};
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if (t)
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for (var n = (t = t.split("#")[0]).split("&"), o = 0; o < n.length; o++) {
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var i = n[o].split("="),
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r = void 0,
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d = i[0].replace(/\[\d*\]/, function (e) {
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return (r = e.slice(1, -1)), "";
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}),
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s = void 0 === i[1] || i[1];
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a[(d = d.toLowerCase())]
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? ("string" == typeof a[d] && (a[d] = [a[d]]),
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void 0 === r ? a[d].push(s) : (a[d][r] = s))
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: (a[d] = s);
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}
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return a;
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}
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var gCtx = null,
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gCanvas = null,
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c = 0,
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stype = 0,
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gUM = !1,
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webkit = !1,
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moz = !1,
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v = null,
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imghtml =
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'<div id="qrfile"><canvas id="out-canvas" width="320" height="240"></canvas><div id="imghelp">drag and drop a QRCode here<br>or select a file<input type="file" onchange="handleFiles(this.files)"/></div></div>',
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vidhtml = '<video id="v" autoplay></video>';
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function dragenter(e) {
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e.stopPropagation(), e.preventDefault();
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}
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function dragover(e) {
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e.stopPropagation(), e.preventDefault();
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}
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function drop(e) {
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e.stopPropagation(), e.preventDefault();
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var t = e.dataTransfer,
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a = t.files;
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a.length > 0
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? handleFiles(a)
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: t.getData("URL") && qrcode.decode(t.getData("URL"));
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}
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function handleFiles(e) {
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for (var t = 0; t < e.length; t++) {
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var a = new FileReader();
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(a.onload =
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(e[t],
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function (e) {
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gCtx.clearRect(0, 0, gCanvas.width, gCanvas.height),
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qrcode.decode(e.target.result);
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})),
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a.readAsDataURL(e[t]);
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}
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}
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function initCanvas(e, t) {
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((gCanvas = document.getElementById("qr-canvas")).style.width = e + "px"),
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(gCanvas.style.height = t + "px"),
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(gCanvas.width = e),
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(gCanvas.height = t),
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(gCtx = gCanvas.getContext("2d")).clearRect(0, 0, e, t);
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}
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function captureToCanvas() {
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if (1 == stype && gUM)
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try {
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gCtx.drawImage(v, 0, 0);
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try {
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qrcode.decode();
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} catch (e) {
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console.log(e), setTimeout(captureToCanvas, 500);
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}
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} catch (e) {
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console.log(e), setTimeout(captureToCanvas, 500);
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}
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}
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function htmlEntities(e) {
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return String(e)
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.replace(/&/g, "&")
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.replace(/</g, "<")
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.replace(/>/g, ">")
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.replace(/"/g, """);
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}
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function read(e) {
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(document.getElementById("hasil").innerHTML =
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e),
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(window.location = unescape(getAllUrlParams().back) + e)
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;
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}
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function isCanvasSupported() {
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var e = document.createElement("canvas");
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return !(!e.getContext || !e.getContext("2d"));
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}
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function success(e) {
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(v.srcObject = e), v.play(), (gUM = !0), setTimeout(captureToCanvas, 500);
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}
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function error(e) {
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gUM = !1;
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}
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function load() {
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isCanvasSupported() && window.File && window.FileReader
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? (initCanvas(800, 600),
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(qrcode.callback = read),
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(document.getElementById("mainbody").style.display = "inline"),
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setwebcam())
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: ((document.getElementById("mainbody").style.display = "inline"),
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(document.getElementById("mainbody").innerHTML =
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'<p id="mp1">QR code scanner for HTML5 capable browsers</p><br><br><p id="mp2">sorry your browser is not supported</p><br><br><p id="mp1">try <a href="http://www.mozilla.com/firefox"><img src="firefox.png"/></a> or <a href="http://chrome.google.com"><img src="chrome_logo.gif"/></a> or <a href="http://www.opera.com"><img src="Opera-logo.png"/></a></p>'));
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}
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function setwebcam() {
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var e = !0;
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if (navigator.mediaDevices && navigator.mediaDevices.enumerateDevices)
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try {
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navigator.mediaDevices.enumerateDevices().then(function (t) {
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t.forEach(function (t) {
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"videoinput" === t.kind &&
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t.label.toLowerCase().search("back") > -1 &&
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(e = {
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deviceId: { exact: t.deviceId },
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facingMode: "environment",
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}),
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console.log(t.kind + ": " + t.label + " id = " + t.deviceId);
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}),
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setwebcam2(e);
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});
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} catch (e) {
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console.log(e);
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}
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else console.log("no navigator.mediaDevices.enumerateDevices"), setwebcam2(e);
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}
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function setwebcam2(e) {
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if ((console.log(e), 1 != stype)) {
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var t = navigator;
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(document.getElementById("camera-inside").innerHTML = vidhtml),
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(v = document.getElementById("v")),
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t.mediaDevices.getUserMedia
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? t.mediaDevices
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.getUserMedia({ video: e, audio: !1 })
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.then(function (e) {
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success(e);
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})
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.catch(function (e) {
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e(e);
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})
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: t.getUserMedia
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? ((webkit = !0),
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t.getUserMedia({ video: e, audio: !1 }, success, error))
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: t.webkitGetUserMedia &&
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((webkit = !0),
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t.webkitGetUserMedia({ video: e, audio: !1 }, success, error)),
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(stype = 1),
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setTimeout(captureToCanvas, 500);
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} else setTimeout(captureToCanvas, 500);
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}
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function setimg() {
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if (((document.getElementById("result").innerHTML = ""), 2 != stype)) {
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(document.getElementById("camera-inside").innerHTML = imghtml),
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(document.getElementById("qrimg").style.opacity = 1),
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(document.getElementById("webcamimg").style.opacity = 0.2);
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var e = document.getElementById("qrfile");
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e.addEventListener("dragenter", dragenter, !1),
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e.addEventListener("dragover", dragover, !1),
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e.addEventListener("drop", drop, !1),
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(stype = 2);
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}
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}
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load();
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</script>
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</body>
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</html>
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1
scan/llqrcode.js
Normal file
1
scan/llqrcode.js
Normal file
File diff suppressed because one or more lines are too long
0
scan/webqr.js
Normal file
0
scan/webqr.js
Normal file
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