UIImage拉伸 

UIImage *img = [UIImage imageNamed:@"write_operation_bg.png"];
UIImage *imgNew = [img stretchableImageWithLeftCapWidth:20 topCapHeight:20];

宽高拉伸20像素

posted @ 2014-01-06 11:12  暖流  阅读(112)  评论(0)  编辑  收藏  举报