获取字符宽度:并非自适应。coretext去计算
<SPAN style="FONT-SIZE: 24px">获取字符宽度:并非自适应。coretext去计算 UniChar ch = [ns_str characterAtIndex:0]; CGGlyph glyph = 0; CTFontGetGlyphsForCharacters(fontRef, &ch, &glyph, 1); CGSize glyphSize; CTFontGetAdvancesForGlyphs(fontRef, kCTFontHorizontalOrientation, &glyph, &glyphSize, 1); </SPAN>
补充:软件开发 , C++ ,