PointF[] RectForEntry(int i)
{
	var w = 32;
	var h = 16;
	return new PointF[]
	{
		new PointF(i * w,     i * h),     // top-left
		new PointF(i * w + w, i * h + h), // top-right
		new PointF(i * w + w, i * h),     // bottom-right
		new PointF(i * w,     i * h + h)  // bottom-left
	};
}