Function iconMaskedFor

eat/eat.ts:136–187

(params: {
  role: RoleConfig;
  avatar: Buffer;
})

}

async function iconMaskedFor(params: {
  role: RoleConfig;
  avatar: Buffer;
}): Promise<sharp.OverlayOptions> {
  const { role, avatar } = params;

  const maskBuffer = await getAssetBuffer(role.mask);
  const { width: maskWidth, height: maskHeight } = await sharp(
    maskBuffer
  ).metadata();

  let iconRotate = await sharp(avatar).resize(maskWidth, maskHeight).toBuffer();

  if (role.rotate) {
    iconRotate = await sharp(iconRotate).rotate(role.rotate).toBuffer();
  }
  if (role.brightness) {
    iconRotate = await sharp(iconRotate)
      .modulate({ brightness: role.brightness })
      .toBuffer();
  }

  let iconSharp = sharp(iconRotate);

  const { width: iconWidth, height: iconHeight } = await iconSharp.metadata();

  const left = Math.max(0, Math.floor((iconWidth - maskWidth) / 2));
  const top = Math.max(0, Math.floor((iconHeight - maskHeight) / 2));

  let cropped = iconSharp.extract({
    left,
    top,
    width: maskWidth,
    height: maskHeight,
  });

  let iconMasked = await cropped
    .composite([
      {
        input: maskBuffer,
        blend: "dest-in",
      },
    ])
    .png()
    .toBuffer();

  return {
    input: iconMasked,
    top: role.y,
    left: role.x,
  };
}

async function downloadProfilePhoto(msg: Api.Message): Promise<Buffer | null> {
  const replied = await safeGetReplyMessage(msg);