svoid drawCenteredText(Graphics2D g, S text, int x, int y, int w, int h, Color color) {
  g.setColor(color);
  FontMetrics fm = g.getFontMetrics();
  Pt p = centerTextInRect(fm, text, rect(x, y, w, h));
  g.drawString(text, p.x, p.y);
}

static BufferedImage drawCenteredText(BufferedImage image, S text, Color color default Black) {
  if (image != null)
    drawCenteredText(createGraphics(image), text, 0, 0, image.getWidth(), image.getHeight(), color);
  ret image;
}