" sizeWithFont:[UIFont systemFontOfSize:14] constrainedToSize:CGSizeMake(210, MAXFLOAT) lineBreakMode:NSLineBreakByCharWrapping];CGSize size1 = [self calculateEngineSizeWithText:captionString textStyle:YYTextTypefaceMapping() fontName:font.fontName size:size mode:YYTextLayoutModeLineBreak referenceWidth:0 restrictBy:YYTextRestrictByNone minimumRect:0 minimumFontSize:YYTextDefaultFontSize lineSpaceing:0 andTextBlock:nil];