folk-canvas/website/semantic-zoom-in-a-canvas.html

178 lines
4.9 KiB
HTML

<!DOCTYPE html>
<html lang="en">
<head>
<meta charset="UTF-8" />
<meta name="viewport" content="width=device-width, initial-scale=1.0" />
<title>Semantic Zoom</title>
<style>
html {
height: 100%;
--spring-easing: linear(
0,
0.009,
0.035 2.1%,
0.141,
0.281 6.7%,
0.723 12.9%,
0.938 16.7%,
1.017,
1.077,
1.121,
1.149 24.3%,
1.159,
1.163,
1.161,
1.154 29.9%,
1.129 32.8%,
1.051 39.6%,
1.017 43.1%,
0.991,
0.977 51%,
0.974 53.8%,
0.975 57.1%,
0.997 69.8%,
1.003 76.9%,
1.004 83.8%,
1
);
--spring-duration: 0.4s;
}
body {
font-family: monospace;
min-height: 100%;
position: relative;
margin: 0;
}
::view-transition-group(g0),
::view-transition-group(g1),
::view-transition-group(g2),
::view-transition-old(g0),
::view-transition-old(g1),
::view-transition-old(g2),
::view-transition-new(g0),
::view-transition-new(g1),
::view-transition-new(g2) {
animation-timing-function: var(--spring-easing);
animation-duration: var(--spring-duration);
}
::view-transition-old(*),
::view-transition-new(*) {
height: 100%;
}
::view-transition-group(slider),
::view-transition-old(slider),
::view-transition-new(slider) {
animation-duration: 0s !important;
}
label {
display: flex;
align-items: center;
margin: 1rem;
}
folk-shape {
background: black;
color: white;
max-width: 40ch;
padding: 0.5rem;
border-radius: 5px;
h2 {
margin: 0;
/* set the aspect ratio to be the same, needed for view transition */
width: fit-content;
}
p {
margin: 0;
}
}
body[zoom='0'] folk-shape {
width: 20px;
aspect-ratio: 1;
border-radius: 50%;
}
body[zoom='0'] folk-shape :is(h2, p),
body[zoom='50'] folk-shape p {
display: none;
}
</style>
</head>
<body zoom="1">
<label>
Zoom:
<input type="range" min="0" max="100" value="100" style="view-transition-name: slider" />
</label>
<folk-shape id="box1" x="100" y="100">
<h2>Lorem ispum</h2>
<p>
Lorem ipsum dolor sit amet, consectetur adipiscing elit, sed do eiusmod tempor incididunt ut labore et dolore
magna aliqua. Ut enim ad minim veniam, quis nostrud exercitation ullamco laboris nisi ut aliquip ex ea commodo
consequat. Duis aute irure dolor in reprehenderit in voluptate velit esse cillum dolore eu fugiat nulla
pariatur. Excepteur sint occaecat cupidatat non proident, sunt in culpa qui officia deserunt mollit anim id est
laborum.
</p>
</folk-shape>
<folk-shape id="box2" x="400" y="400">
<h2>Dolor sit amet</h2>
<p>
Lorem ipsum dolor sit amet, consectetur adipiscing elit, sed do eiusmod tempor incididunt ut labore et dolore
magna aliqua. Ut enim ad minim veniam, quis nostrud exercitation ullamco laboris nisi ut aliquip ex ea commodo
consequat.
</p>
</folk-shape>
<folk-shape id="box3" x="150" y="600">
<h2>Consectetur elit</h2>
<p>
Lorem ipsum dolor sit amet, consectetur adipiscing elit, sed do eiusmod tempor incididunt ut labore et dolore
magna aliqua.
</p>
</folk-shape>
<folk-arrow source="#box1" target="#box2"></folk-arrow>
<folk-arrow source="#box2" target="#box3"></folk-arrow>
<folk-arrow source="#box1" target="#box3"></folk-arrow>
<script type="module">
import '../lib/standalone/folk-shape.ts';
import '../lib/standalone/folk-arrow.ts';
document.body.querySelectorAll('folk-shape').forEach((el, i) => (el.style.viewTransitionName = `g${i}`));
document.body.querySelectorAll('folk-arrow').forEach((el, i) => (el.style.viewTransitionName = `c${i}`));
document.body.querySelectorAll('h2').forEach((el, i) => (el.style.viewTransitionName = `h${i}`));
document.body.querySelectorAll('p').forEach((el, i) => (el.style.viewTransitionName = `p${i}`));
const range = document.querySelector('input');
range.addEventListener('input', (e) => {
const currentZoom = range.valueAsNumber;
let semanticZoom;
if (currentZoom < 20) {
semanticZoom = 0;
} else if (currentZoom < 80) {
semanticZoom = 50;
} else {
semanticZoom = 1;
}
if (semanticZoom !== Number(document.body.getAttribute('zoom'))) {
document.startViewTransition(() => {
document.body.setAttribute('zoom', semanticZoom);
});
}
});
</script>
</body>
</html>