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- <style>
- body{
- overflow: visible;
- position:center;
- filter:invert(0.9);
- }
- .container{
- position: center;
- width: Math.random()*5vmax+1vmax;
- height: Math.random()*15vmax+10vmax;
- }
- </style>
- <center>
- <body bgcolor="black" onchange="setInterval(snapshot,33);">
- <video id="video" width="640" height="640" autoplay></video>
- <button id="snapshot" class="Button" onclick="snapshot">Snapshot Image</button>
- <canvas id="canvas" width="640" height="640"></canvas>
- <script>
- window.addEventListener("DOMContentLoaded", function() {
- var canvas = document.getElementById('canvas');
- var context = canvas.getContext('2d');
- var video = document.getElementById('video');
- var mediaConfig = { video: true,audio:false};
- var errBack = function(e) {
- console.log('An error has occurred!', e)
- };
- if(navigator.mediaDevices && navigator.mediaDevices.getUserMedia) {
- navigator.mediaDevices.getUserMedia(mediaConfig).then(function(stream) {
- video.src = window.URL.createObjectURL(stream);
- video.play();
- });
- }
- else if(navigator.getUserMedia) {
- navigator.getUserMedia(mediaConfig, function(stream) {
- video.src = stream;
- video.play();
- video.src = window.URL.createObjectURL(stream);
- video.play();
- ctt=getBase64Image(video);
- }, errBack);
- }
- document.getElementById('snapshot').addEventListener('mouseup', function() {
- var cct=getBase64Image(video)
- var ctt=getBase64Image(video);
- context.drawImage(video, 0, 0, 640, 640);
- ctt=getBase64Image(video);
- if(ctt<=599999){
- alert("Person Is Hidden!!")
- }else{
- alert('Person is Visible!!')
- }
- });
- }, false);
- function getBase64Image(img) {
- var canvas = document.createElement("canvas");
- canvas.width = img.width;
- canvas.height = img.height;
- var ctx = canvas.getContext("2d");
- ctx.drawImage(img, 0, 0);
- var dataURL = canvas.toDataURL("image/png");
- return dataURL.length-4000;
- }
- </script>
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