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QR Scanner Template

zmiguel
José Valdiviesso 3 years ago
parent
commit
d58588cbbd
  1. 151
      WebAppScanner/index.html
  2. 10042
      WebAppScanner/jsQR.js
  3. 2
      api/obj/Debug/netcoreapp2.1/project.razor.json

151
WebAppScanner/index.html

@ -0,0 +1,151 @@
<html>
<head>
<meta charset="utf-8">
<title>jsQR Demo</title>
<script src="./jsQR.js"></script>
<link href="https://fonts.googleapis.com/css?family=Ropa+Sans" rel="stylesheet">
<link rel="stylesheet" href="https://stackpath.bootstrapcdn.com/bootstrap/4.3.1/css/bootstrap.min.css" integrity="sha384-ggOyR0iXCbMQv3Xipma34MD+dH/1fQ784/j6cY/iJTQUOhcWr7x9JvoRxT2MZw1T" crossorigin="anonymous">
<script src="https://code.jquery.com/jquery-3.3.1.slim.min.js" integrity="sha384-q8i/X+965DzO0rT7abK41JStQIAqVgRVzpbzo5smXKp4YfRvH+8abtTE1Pi6jizo" crossorigin="anonymous"></script>
<script src="https://cdnjs.cloudflare.com/ajax/libs/popper.js/1.14.7/umd/popper.min.js" integrity="sha384-UO2eT0CpHqdSJQ6hJty5KVphtPhzWj9WO1clHTMGa3JDZwrnQq4sF86dIHNDz0W1" crossorigin="anonymous"></script>
<script src="https://stackpath.bootstrapcdn.com/bootstrap/4.3.1/js/bootstrap.min.js" integrity="sha384-JjSmVgyd0p3pXB1rRibZUAYoIIy6OrQ6VrjIEaFf/nJGzIxFDsf4x0xIM+B07jRM" crossorigin="anonymous"></script>
<style>
body {
font-family: 'Ropa Sans', sans-serif;
color: #333;
max-width: 640px;
margin: 0 auto;
position: relative;
}
#githubLink {
position: absolute;
right: 0;
top: 12px;
color: #2D99FF;
}
h1 {
margin: 10px 0;
font-size: 40px;
}
#loadingMessage {
text-align: center;
padding: 40px;
background-color: #eee;
}
#canvas {
width: 100%;
}
#output {
margin-top: 20px;
background: #eee;
padding: 10px;
padding-bottom: 0;
}
#output div {
padding-bottom: 10px;
word-wrap: break-word;
}
#noQRFound {
text-align: center;
}
</style>
</head>
<body>
<h1>ENEI QR Scanner</h1>
<div id="loadingMessage">🎥 Unable to access video stream (please make sure you have a webcam enabled)</div>
<canvas id="canvas" hidden></canvas>
<br>
<form class="form" id="output">
<fieldset>
<!-- Text input-->
<div class="form-group">
<label class="control-label" for="sQR">Teu QRCode</label>
<input id="sQR" name="sQR" type="text" placeholder="AABBCC112233" class="form-control form-control-sm" required="">
</div>
<!-- Select Basic -->
<div class="form-group">
<label class="control-label" for="location">Localização</label>
<select id="location" name="location" class="form-control form-control-sm">
<option value="1">Bar 1</option>
<option value="2">Bar 2</option>
</select>
</div>
<!-- Text input-->
<div class="form-group">
<label class="control-label" for="userQR">Scanned QR</label>
<input id="userQR" name="userQR" type="text" placeholder="sendQR" class="form-control form-control-sm input-md" required="">
</div>
<!-- Button -->
<div class="form-group">
<button id="send" name="send" class="btn btn-primary">Enviar info</button>
</div>
</fieldset>
</form>
<script>
var video = document.createElement("video");
var canvasElement = document.getElementById("canvas");
var canvas = canvasElement.getContext("2d");
var loadingMessage = document.getElementById("loadingMessage");
var outputContainer = document.getElementById("output");
var outputMessage = document.getElementById("outputMessage");
var outputData = document.getElementById("userQR");
function drawLine(begin, end, color) {
canvas.beginPath();
canvas.moveTo(begin.x, begin.y);
canvas.lineTo(end.x, end.y);
canvas.lineWidth = 4;
canvas.strokeStyle = color;
canvas.stroke();
}
// Use facingMode: environment to attemt to get the front camera on phones
navigator.mediaDevices.getUserMedia({ video: { facingMode: "environment" } }).then(function(stream) {
video.srcObject = stream;
video.setAttribute("playsinline", true); // required to tell iOS safari we don't want fullscreen
video.play();
requestAnimationFrame(tick);
});
function tick() {
if (video.readyState === video.HAVE_ENOUGH_DATA) {
loadingMessage.hidden = true;
canvasElement.hidden = false;
outputContainer.hidden = false;
canvasElement.height = video.videoHeight;
canvasElement.width = video.videoWidth;
canvas.drawImage(video, 0, 0, canvasElement.width, canvasElement.height);
var imageData = canvas.getImageData(0, 0, canvasElement.width, canvasElement.height);
var code = jsQR(imageData.data, imageData.width, imageData.height, {
inversionAttempts: "dontInvert",
});
if (code) {
drawLine(code.location.topLeftCorner, code.location.topRightCorner, "#FF3B58");
drawLine(code.location.topRightCorner, code.location.bottomRightCorner, "#FF3B58");
drawLine(code.location.bottomRightCorner, code.location.bottomLeftCorner, "#FF3B58");
drawLine(code.location.bottomLeftCorner, code.location.topLeftCorner, "#FF3B58");
outputMessage.hidden = true;
outputData.innerText = code.data;
} else {
outputMessage.hidden = false;
}
}
requestAnimationFrame(tick);
}
</script>
</body>
</html>

10042
WebAppScanner/jsQR.js

File diff suppressed because it is too large

2
api/obj/Debug/netcoreapp2.1/project.razor.json

@ -1,5 +1,5 @@
{
"ProjectFilePath": "/Users/henriquedias/enei2019/api/api.csproj",
"ProjectFilePath": "c:\\Users\\ZMiguel\\Desktop\\ENEI2019\\api\\api.csproj",
"TargetFramework": "netcoreapp2.1",
"TagHelpers": [],
"Configuration": {

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