//计算lab高度
- (CGFloat)getSizeForLabString:(NSString *)labStr font:(NSInteger)fontInt width:(CGFloat)width
{
NSMutableAttributedString *attrStr = [[NSMutableAttributedStringalloc]initWithString:labStr];
NSRange allRange = [labStrrangeOfString:labStr];
[attrStr addAttribute:NSFontAttributeName
value:[UIFontsystemFontOfSize:KHEIGHTShiPei fontInt]
range:allRange];
CGFloat titleHeight;
NSStringDrawingOptions options = NSStringDrawingUsesLineFragmentOrigin |NSStringDrawingUsesFontLeading;
CGRect rect = [attrStrboundingRectWithSize:CGSizeMake(width,CGFLOAT_MAX)
options:options
context:nil];
titleHeight = ceilf(rect.size.height);
return titleHeight+2; //加两个像素,防止emoji被切掉.
}
//计算lab宽度
- (CGFloat)getSizeForLabString:(NSString *)labStr font:(NSInteger)fontInt hight:(CGFloat)hight
{
if (labStr ==nil) {
return0;
}
NSMutableAttributedString *attrStr = [[NSMutableAttributedStringalloc]initWithString:labStr];
NSRange allRange = [labStrrangeOfString:labStr];
[attrStr addAttribute:NSFontAttributeName
value:[UIFontsystemFontOfSize:KHEIGHTShiPei fontInt]
range:allRange];
CGFloat titleWidth;
NSStringDrawingOptions options = NSStringDrawingUsesLineFragmentOrigin |NSStringDrawingUsesFontLeading;
CGRect rect = [attrStrboundingRectWithSize:CGSizeMake(CGFLOAT_MAX, hight)
options:options
context:nil];
titleWidth = ceilf(rect.size.width);
return titleWidth+2;
}
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