真的与NSAttributedString接近吗? [英] Really close lines with NSAttributedString?

问题描述

我想让按钮的两行文本真正地靠得很近(行距很小).我有以下代码:

I want to have two lines of text appear really close together (small line spacing) for a button. I have the following code:

NSMutableAttributedString *string = [[NSMutableAttributedString alloc] initWithString:@"50 WPM"];

NSMutableParagraphStyle *paragrapStyle = [[NSMutableParagraphStyle alloc] init];
paragrapStyle.alignment = NSTextAlignmentCenter;
paragrapStyle.lineSpacing = -10;

[string addAttribute:NSParagraphStyleAttributeName value:paragrapStyle range:NSMakeRange(0, string.length)];

UIFont *font1 = [UIFont systemFontOfSize:22.0];
[string addAttribute:NSFontAttributeName value:font1 range:NSMakeRange(0, string.length - 4)];

UIFont *font = [UIFont systemFontOfSize:15.0];
[string addAttribute:NSFontAttributeName value:font range:NSMakeRange(string.length - 3, 3)];

[string addAttribute:NSForegroundColorAttributeName value:[UIColor greenColor] range:NSMakeRange(0, string.length)];

[self.button setAttributedTitle:string forState:UIControlStateNormal];

但是，由于行距不能为负，因此它的间隔不如我希望的那样近.看起来像这样:

But as linespacing can't be negative, it doesn't get nearly as close as I'd like it to be. It looks like this:

有什么方法可以使它们更接近?

Is there any way to get them closer?

推荐答案

如果您有一个属性字符串，那么一切都应该可行. :)您只需要看更多.

Well if you have an attribute string then everything should be possible. :) You just have to look more.

- (void)setMinimumLineHeight:(CGFloat)aFloat
- (void)setMaximumLineHeight:(CGFloat)aFloat

尝试

[paragraphStyle setLineSpacing:0.0f];
[paragraphStyle setMaximumLineHeight:7.0f];

您将认识到maximumLineHeight不是maximumLineSpacing. ^^

You will realise that maximumLineHeight is not maximumLineSpacing. ^^

例如，这与setMaximumLineHeight:12];

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