a common method to rotate the image
摘要：
1 /* 2 * clockwise rotate 3 * first reverse up to down, then swap the symmetry 4 * 1 2 3 7 8 9 7 4 1 5 * 4 5 6 => 4 5 6 => 8 5 2 6 * ... 阅读全文
posted @ 2015-08-27 21:18 Stomach_ache 阅读(168) 评论(0) 推荐(0) 编辑
