// changes & returns canvas
static BufferedImage drawImage(BufferedImage canvas, Image img, Pt p) {
  ret drawImageOnImage(img, canvas, p.x, p.y);
}

svoid drawImage(Graphics2D etc g, Image img) {
  drawImage(g, img, 0, 0);
}

svoid drawImage(Graphics2D g, Image img, Pt p) {
  drawImage(g, img, p.x, p.y);
}

svoid drawImage(Graphics2D g, Image img, int x, int y) {
  g?.drawImage(img, x, y, null);
}