1 files changed, 22 insertions, 0 deletions
diff --git a/packages/frontend-embed/src/workers/draw-blurhash.ts b/packages/frontend-embed/src/workers/draw-blurhash.ts
new file mode 100644
index 0000000000..22de6cd3a8
--- /dev/null
+++ b/packages/frontend-embed/src/workers/draw-blurhash.ts
@@ -0,0 +1,22 @@
+/*
+ * SPDX-FileCopyrightText: syuilo and misskey-project
+ * SPDX-License-Identifier: AGPL-3.0-only
+ */
+
+import { render } from 'buraha';
+
+const canvas = new OffscreenCanvas(64, 64);
+
+onmessage = (event) => {
+	// console.log(event.data);
+	if (!('id' in event.data && typeof event.data.id === 'string')) {
+		return;
+	}
+	if (!('hash' in event.data && typeof event.data.hash === 'string')) {
+		return;
+	}
+
+	render(event.data.hash, canvas);
+	const bitmap = canvas.transferToImageBitmap();
+	postMessage({ id: event.data.id, bitmap });
+};