Telegram Web K with changes to work inside I2P https://web.telegram.i2p/
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import type { MediaSize } from "../mediaSize";
export default function scaleMediaElement(options: {
media: CanvasImageSource,
mediaSize?: MediaSize,
boxSize?: MediaSize,
quality?: number,
mimeType?: 'image/jpeg' | 'image/png',
size?: MediaSize
}): Promise<{blob: Blob, size: MediaSize}> {
return new Promise((resolve) => {
const canvas = document.createElement('canvas');
const size = options.size ?? options.mediaSize.aspectFitted(options.boxSize);
canvas.width = size.width * window.devicePixelRatio;
canvas.height = size.height * window.devicePixelRatio;
const ctx = canvas.getContext('2d');
ctx.drawImage(options.media, 0, 0, canvas.width, canvas.height);
canvas.toBlob((blob) => {
resolve({blob, size});
}, options.mimeType ?? 'image/jpeg', options.quality ?? 1);
});
}