rescale(currentScale * (e.deltaY < 0 ? 1.1 : (1/1.1)),
            toSvg(e.offsetX, e.offsetY));
  }

  function setMode(m) {
    mode = m;
    touchid = null;
    touchid2 = null;
  }

  function panStart(x, y) {
    moved = false;
    panLastX = x;
    panLastY = y;
  }

  function panMove(x, y) {
    let dx = x - panLastX;
    let dy = y - panLastY;

  public void testPadStart_noPadding() {
    assertSame("", Strings.padStart("", 0, '-'));
    assertSame("x", Strings.padStart("x", 0, '-'));
    assertSame("x", Strings.padStart("x", 1, '-'));
    assertSame("xx", Strings.padStart("xx", 0, '-'));
    assertSame("xx", Strings.padStart("xx", 2, '-'));
  }

  public void testPadStart_somePadding() {
    assertEquals("-", Strings.padStart("", 1, '-'));
    assertEquals("--", Strings.padStart("", 2, '-'));

		return ctx, update, canStart, canEverStart, true
	case !canStart:
		// this is the only path we don't start the pod, so we need to put the change back in pendingUpdate
		status.pendingUpdate = &update.Options
		status.working = false
		klog.V(4).InfoS("Pod cannot start yet", "pod", klog.KObj(update.Options.Pod), "podUID", podUID)
		return ctx, update, canStart, canEverStart, true
	}