// paint: graphics/component width/component height
// called in AWT thread
static JComponent dynamicallyPaintedComponent2(final VF3<Graphics2D, Int, Int> paint) {
  ret swing(() -> new JComponent {
    public void paintComponent(Graphics g) {
      callF(paint, (Graphics2D) g, getWidth(), getHeight());
    }
  });
}

static JComponent dynamicallyPaintedComponent2(IVF3<Graphics2D, Int, Int> paint) {
  ret dynamicallyPaintedComponent2(toVF3(paint));
}

Began life as a copy of #1019509