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More caching for alpha-detecting avatars

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This commit is contained in:
Lim Chee Aun 2023-03-19 13:38:40 +08:00
parent 9d2cc6942c
commit ef874dd347
1 changed files with 2 additions and 1 deletions
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3
src/components/avatar.jsx
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@ -43,6 +43,7 @@ function Avatar({ url, size, alt = '', ...props }) {
}} }}
onLoad={(e) => { onLoad={(e) => {
if (avatarRef.current) avatarRef.current.dataset.loaded = true; if (avatarRef.current) avatarRef.current.dataset.loaded = true;
if (alphaCache[url] !== undefined) return;
try { try {
// Check if image has alpha channel // Check if image has alpha channel
const canvas = document.createElement('canvas'); const canvas = document.createElement('canvas');
@ -65,8 +66,8 @@ function Avatar({ url, size, alt = '', ...props }) {
if (hasAlpha) { if (hasAlpha) {
// console.log('hasAlpha', hasAlpha, allPixels.data); // console.log('hasAlpha', hasAlpha, allPixels.data);
avatarRef.current.classList.add('has-alpha'); avatarRef.current.classList.add('has-alpha');
alphaCache[url] = true;
} }
alphaCache[url] = hasAlpha;
} catch (e) { } catch (e) {
// Ignore // Ignore
} }