Function avatarBufferToCanvas

quote/generate.js:57–80

(buffer)

  try {
    const img = await loadImage(buffer);
    const size = img.naturalHeight || img.height || img.width;
    const canvas = createCanvas(size, size);
    const ctx = canvas.getContext("2d");
    ctx.beginPath();
    ctx.arc(size / 2, size / 2, size / 2, 0, Math.PI * 2, true);
    ctx.save();
    ctx.clip();
    ctx.closePath();
    ctx.drawImage(img, 0, 0, size, size);
    ctx.restore();
    return canvas;
  } catch (error) {
    console.warn("quote generate: avatar buffer -> canvas failed", error && error.message);
    return undefined;
  }
}

async function bridgeAvatar(message) {
  if (!message) return;
  if (!message.avatarCanvas && message.avatarBuffer) {
    const canvas = await avatarBufferToCanvas(message.avatarBuffer);
    if (canvas) {
      message.avatarCanvas = canvas;
      message.avatar = true;
    }
  }
  if (message.replyMessage && !message.replyMessage.avatarCanvas && message.replyMessage.avatarBuffer) {