iOS UIFont 初识

最新推荐文章于 2020-12-30 20:41:03 发布

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本文深入探讨了iOS开发中UIFont类的使用，详细解析了pointSize、ascender、capHeight、xHeight、lineHeight、leading和ascender等关键属性，并通过实际代码展示了如何获取并打印这些属性的值。

    UIFont *font = [UIFont systemFontOfSize:32];

    CGFloat pointSize = font.pointSize; 
    CGFloat capHeight = font.capHeight; 
    CGFloat xHeight = font.xHeight;
    CGFloat lineHeight = font.lineHeight;
    CGFloat leading = font.leading;
    CGFloat ascender = font.ascender;
    
    NSLog(@"pointSize = %@", @(pointSize)); <span style="white-space:pre">	</span>//32
    NSLog(@"ascender = %@", @(ascender)); 	//30.464
    NSLog(@"capHeight = %@", @(capHeight));	//22.848
    NSLog(@"xHeight = %@", @(xHeight));		//16.544
    NSLog(@"lineHeight = %@", @(lineHeight));<span style="white-space:pre">	</span>//38.176
    NSLog(@"leading = %@", @(leading));		//38.176