拉伸图片的某一部分

Posted on 2016-07-14 16:43  柠檬片  阅读(89)  评论(0)    收藏  举报

UIImage *image = [UIImage imageNamed:@"NLArenaNavBar64"];

    image = [image stretchableImageWithLeftCapWidth:image.size.width * 0.5 topCapHeight:image.size.height * 0.5];