photo-go/index.html
2021-04-11 14:04:56 +01:00

52 lines
1.3 KiB
HTML

<!DOCTYPE html>
<html>
<head>
<title>Photos</title>
<style>
.image {
position: absolute;
top: 0;
left: 0;
height: 100vh;
width: 100vw;
display: block;
background-size: cover;
background-repeat: no-repeat;
opacity: 0;
-webkit-transition: opacity 3s ease-in-out;
-moz-transition: opacity 3s ease-in-out;
-o-transition: opacity 3s ease-in-out;
transition: opacity 3s ease-in-out;
}
.image.active {
opacity: 1;
}
</style>
</head>
<body>
<div class="image active"></div>
<div class="image"></div>
<script type="text/javascript">
function process() {
const width = document.documentElement.clientWidth;
const height = document.documentElement.clientHeight;
const timestamp = (new Date()).getTime();
let nextElement = document.querySelector('.image:not(.active)');
let im = new Image();
im.src = `/image/?width=${width}&height=${height}&ts=${timestamp}`;
im.onload = function() {
nextElement.style.backgroundImage = `url('${im.src}')`;
[...document.querySelectorAll('.image')].forEach(el => el.classList.toggle('active'));
setTimeout(process, 5000);
};
}
process();
</script>
</body>
</html>