static FontMetrics fontMetrics(S fontSnippetID, float fontSize) {
  ret fontMetrics(loadFont_cached(fontSnippetID, fontSize));
}

static FontMetrics fontMetrics(Font font) {
  BufferedImage dummyImg = new BufferedImage(1, 1, BufferedImage.TYPE_INT_RGB);
  Graphics g = antiAliasGraphics(dummyImg);
  g.setFont(font);
  ret g.getFontMetrics();
}

static FontMetrics fontMetrics(Graphics g) {
  ret g?.getFontMetrics();
}