static Rect growRect(int pixels, Rect r) {
  ret growRect(r, pixels);
}

static Rect growRect(double x, double y default x, Rect r) {
  ret growRect(r, x, y);
}
  
static Rect growRect(Rect r, int pixels default 1) {
  ret new Rect(r.x-pixels, r.y-pixels, r.w+pixels*2, r.h+pixels*2);
}

static Rect growRect(Rect r, int x, int y) {
  ret new Rect(r.x-x, r.y-y, r.w+x*2, r.h+y*2);
}

static Rect growRect(Rect r, double x, double y default x) {
  ret new Rect(iround(r.x-x), iround(r.y-y), r.w+iround(x*2), r.h+iround(y*2));
}