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找出每段起始点和结束点以及这些点的上面一个点和下面一个点这个idea很赞，省下了好多考虑特殊情况的时间，稍微考虑一下边界，还有width=1的情况，就迎刃而解了。 图片思路在找到的链接里： http://hi.baidu.com/zdg102/blog/item/9eafab44f711538ab2b7dcfb.html Followed by: Post your reply here: |
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