注意里面的注释不是英文的，因为原理很简单，火人就没翻译了。



初学者可往下看本例程的原理：

1、依次获得取样点的颜色

2、在取样点画该颜色的方框



取样越精，方框越小，图像就越清晰 -Note that inside the comment is not English, because the principle is very simple, no translation of Burning Man. Beginners can look down the principle of this routine: 1, followed by the color of two sample points obtained in the sampling stipple the color of the box sampling the more refined, the smaller the box, the image more clearly