public MediaFontInfo()
{
this.ProportionalList = new List <System.Windows.Media.FontFamily>();
this.MonospaceList = new List <System.Windows.Media.FontFamily>();
XmlLanguage lang = XmlLanguage.GetLanguage(Thread.CurrentThread.CurrentCulture.Name);
IEnumerable <string> fontNames = new InstalledFontCollection().Families.Select(x => x.Name);
using (var bmp = new Bitmap(1, 1))
using (var graphics = Graphics.FromImage(bmp))
{
foreach (System.Windows.Media.FontFamily family in System.Windows.Media.Fonts.SystemFontFamilies)
{
string cltName = family.FamilyNames.FirstOrDefault(x => x.Key == lang).Value ?? family.Source;
string name = fontNames.FirstOrDefault(x => x.StartsWith(cltName));
if (!string.IsNullOrEmpty(name))
{
using (Font font = new Font(name, emSize: 20))
{
float iiSize = graphics.MeasureString("iiii", font).Width;
float wwSize = graphics.MeasureString("wwww", font).Width;
if (iiSize == wwSize)
{
float aaSize = graphics.MeasureString("ああ", font).Width;
if (Math.Abs(iiSize - aaSize) < 1)
{
MonospaceList.Add(family);
continue;
}
}
ProportionalList.Add(family);
}
}
}
}
}