多行中行之间的coretext空间

Question

UITextView和核心文字绘图

为什么多线之间的间距不同？

Answer 1

易

CGFloat lineHeight = 17.0;

CTParagraphStyleSetting settings[2] = {
        { kCTParagraphStyleSpecifierMinimumLineHeight, sizeof(lineHeight), &lineHeight },
        { kCTParagraphStyleSpecifierMaximumLineHeight, sizeof(lineHeight), &lineHeight }
}