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internal sealed class FontKeeper
{
private static readonly FontConverter s_converter = new FontConverter();
private static readonly Regex s_font = new Regex(@"^(?<name>\w[\s\w]+);\s*(?<size>\d+)pt\s*(?:;(?<style>.*))?$", RegexOptions.IgnoreCase);
private static readonly Regex s_style = new Regex(@"^\s*style\s*=\s*([\w\s,]+)$", RegexOptions.IgnoreCase);
private const int defaultSize = 14;
public FontKeeper(Font font) : this(s_converter.ConvertToString(font)) { }
public FontKeeper(string fontString)
{
Match m = s_font.Match(fontString);
if (!m.Success)
throw new ArgumentException("Неверный формат строки");
Name = m.Groups["name"].Value.Trim();
int sz;
if (!int.TryParse(m.Groups["size"].Value, out sz))
sz = defaultSize;
Size = sz;
//Флаги стиля
ParseStyle(m.Groups["style"].Value);
}
private void ParseStyle(string value)
{
Match m = s_style.Match(value);
if (!m.Success) return;
string[] styles = m.Groups[1].Value.Split(new[] { ',' });
foreach (var style in styles)
{
try
{
Style |= (FontStyle)Enum.Parse(typeof(FontStyle), style.Trim(), true);
}
catch { }
}
}
public string Name { get; set; }
public int Size { get; set; }
public FontStyle Style { get; set; }
public float FontFactor
{
get { return (float)Size / defaultSize; }
set { Size = (int)(value * defaultSize); }
}
public Font CreateFont()
{
return new Font(Name, Size, Style);
}
}
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