使用UIPageControl减小点大小或填充以适合屏幕上的所有页面指示器

I have a UIPageControl that has 22 pages, therefore 22 page indicator dots. In landscape on iPhone they're all visible with plenty of space on the left and right, but in portrait there's not enough horizontal space to display all of the dots (at least on iPhone 4 and 5), so two aren't visible and the outer two are cut in half. that has 22 pages, there