Caputre Cam with JS

Developer
Size
2,795 Kb
Views
6,072

How do I make an caputre cam with js?

Here we use a phpacademy video tutorial as a base of creating javascript that grabs the user's video and draws it to a canvas element. This drawn video's rgb-values are then changed with javascript.. What is a caputre cam with js? How do you make a caputre cam with js? This script and codes were developed by KimmoCommit on 14 January 2023, Saturday.

Caputre Cam with JS Previews

Caputre Cam with JS - Script Codes HTML Codes

<!DOCTYPE html>
<html >
<head> <meta charset="UTF-8"> <title>Caputre Cam with JS</title> <link rel="stylesheet" href="css/style.css">
</head>
<body> <div id="booth"> <video id="video" width="400" height="300" autoplay></video>
<canvas id="canvas" width="400" height="300"></canvas>
</div> <script src="js/index.js"></script>
</body>
</html>

Caputre Cam with JS - Script Codes CSS Codes

#booth { width: 400px; border: 10px solid grey; margin: 0 auto; background-color: #ccc;
}

Caputre Cam with JS - Script Codes JS Codes

//self inwoking function that is run when page loads
(function() { var canvas = document.getElementById('canvas'), context = canvas.getContext("2d"), video = document.getElementById('video'), vendorUrl = window.URL || window.webkitURL; navigator.getMedia = navigator.getUserMedia || navigator.webkitGetUserMedia || navigator.mozGetUserMedia || navigator.msGetUserMedia; //js object navigator.getMedia({ video: true, audio: false }, function(stream){ video.src = vendorUrl.createObjectURL(stream); video.play(); }, function(error){ //some errors occured //console.log(error.code()); }); function draw(video, context, width, height){ // i is set to be the variable that represents the pixels that we loop through (increment) var image, data, i, r, g, b, brightness; context.drawImage(video, 0, 0, width, height); //getImageData returns color values in each pixel that are found canva's context - try running console.log(data) to see the results in the log image = context.getImageData(0,0, width, height); data = image.data; //here we loop through all of the pixels and turn their color which we want and set them back up again for(i = 0; i < data.length; i = i + 4){ r = data[i]; g = data[i + 1]; b = data[i + 2]; brightness = ( (r + 22) + (g + 0) + (b + 10) ) / 3; //here we assign one value to all of the three data[i] = data[i + 1] = data[i + 2] = brightness; } image.data = data; context.putImageData(image, 0, 0); //to not only call "draw" functon only once, we set this timeout setTimeout(draw, 22, video, context, width, height); } video.addEventListener("play", function(){ alert("There is some issues with loading this draw function - this alert helps it appear on FireFox"); draw(this, context, 400, 300); }, false); })();
Caputre Cam with JS - Script Codes
Caputre Cam with JS - Script Codes
Home Page Home
Developer KimmoCommit
Username KimmoCommit
Uploaded January 14, 2023
Rating 3
Size 2,795 Kb
Views 6,072
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