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Avatars use text or colored silhouette as defaults

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the-djmaze 2022-12-02 09:09:30 +01:00
parent f2aba8b11d
commit bff88e9f6a
4 changed files with 43 additions and 14 deletions
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36
plugins/avatars/avatars.js
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@ -1,5 +1,39 @@
(rl => {
const size = 50;
window.identiconSvg = (hash, txt) => {
// color defaults to last 7 chars as hue at 70% saturation, 50% brightness
// hsl2rgb adapted from: https://gist.github.com/aemkei/1325937
let h = (parseInt(hash.substr(-7), 16) / 0xfffffff) * 6, s = 0.7, l = 0.5,
v = [
l += s *= l < .5 ? l : 1 - l,
l - h % 1 * s * 2,
l -= s *= 2,
l,
l + h % 1 * s,
l + s
],
m = txt ? 128 : 200,
color = 'rgb(' + [
v[ ~~h % 6 ] * m, // red
v[ (h | 16) % 6 ] * m, // green
v[ (h | 8) % 6 ] * m // blue
].map(Math.round).join(',') + ')';
if (txt) {
return `<svg xmlns="http://www.w3.org/2000/svg" width="${size}px" height="${size}px" viewBox="0 0 ${size} ${size}" version="1.1">
<circle fill="${color}" width="${size}" height="${size}" cx="${size/2}" cy="${size/2}" r="${size/2}"/>
<text x="${size}%" y="${size}%" style="color:#FFF" alignment-baseline="middle" text-anchor="middle"
font-weight="bold" font-size="${Math.round(size*0.5)}"
dy=".1em" dominant-baseline="middle" fill="#FFF">${txt}</text>
</svg>`;
}
return `<svg version="1.1" width="412" height="412" viewBox="0 0 412 412" xmlns="http://www.w3.org/2000/svg">
<path fill="${color}" d="m 404.4267,343.325 c -5.439,-16.32 -15.298,-32.782 -29.839,-42.362 -27.979,-18.572 -60.578,-28.479 -92.099,-39.085 -7.604,-2.664 -15.33,-5.568 -22.279,-9.7 -6.204,-3.686 -8.533,-11.246 -9.974,-17.886 -0.636,-3.512 -1.026,-7.116 -1.228,-10.661 22.857,-31.267 38.019,-82.295 38.019,-124.136 0,-65.298 -36.896,-83.495 -82.402,-83.495 -45.515,0 -82.403,18.17 -82.403,83.468 0,43.338 16.255,96.5 40.489,127.383 -0.221,2.438 -0.511,4.876 -0.95,7.303 -1.444,6.639 -3.77,14.058 -9.97,17.743 -6.957,4.133 -14.682,6.756 -22.287,9.42 -31.520996,10.605 -64.118996,19.957 -92.090996,38.529 -14.549,9.58 -24.403,27.159 -29.838,43.479 -5.597,16.938 -7.88600003,37.917 -7.54100003,54.917 H 205.9917 411.9657 c 0.348,-16.999 -1.946,-37.978 -7.539,-54.917 z"/>
</svg>`;
};
const
queue = [],
avatars = new Map,
@ -26,7 +60,7 @@
(from.name?.split(/[^\p{L}]+/gu) || []).reduce((a, s) => a + (s[0] || ''), '')
.slice(0,2)
.toUpperCase(),
setIdenticon = (from, fn) => window.identiconSvg && hash(from.email).then(hash =>
setIdenticon = (from, fn) => hash(from.email).then(hash =>
fn('data:image/svg+xml;base64,' + btoa(window.identiconSvg(hash, fromChars(from))))
),
addQueue = (msg, fn) => {