/// <summary>
/// Adds the specified font data to the global PrivateFontCollection.
/// Family name and style are automatically retrieved from the font.
/// </summary>
public static void Add(byte[] font)
{
IntPtr unmanagedPointer = Marshal.AllocCoTaskMem(font.Length);
Marshal.Copy(font, 0, unmanagedPointer, font.Length);
Singleton.GetPrivateFontCollection().AddMemoryFont(unmanagedPointer, font.Length);
// Do not free the memory here, AddMemoryFont stores a pointer, not a copy!
//Marshal.FreeCoTaskMem(ip);
XFontSource fontSource = XFontSource.GetOrCreateFrom(font);
string familyName = fontSource.FontName;
if (familyName.EndsWith(" Regular", StringComparison.OrdinalIgnoreCase))
{
familyName = familyName.Substring(0, familyName.Length - 8);
}
bool bold = fontSource.Fontface.os2.IsBold;
bool italic = fontSource.Fontface.os2.IsItalic;
IncompetentlyMakeAHackToFixAProblemYouWoldNeverHaveIfYouUseAFontResolver(fontSource, ref familyName, ref bold, ref italic);
string key = MakeKey(familyName, bold, italic);
Singleton._fontSources.Add(key, fontSource);
string typefaceKey = XGlyphTypeface.ComputeKey(familyName, bold, italic);
FontFactory.CacheExistingFontSourceWithNewTypefaceKey(typefaceKey, fontSource);
}
static XFontSource GetOrCreateFrom(string typefaceKey, byte[] fontBytes)
{
var key = FontHelper.CalcChecksum(fontBytes);
if (FontFactory.TryGetFontSourceByKey(key, out XFontSource fontSource))
{
// The font source already exists, but is not yet cached under the specified typeface key.
FontFactory.CacheExistingFontSourceWithNewTypefaceKey(typefaceKey, fontSource);
}
else
{
// No font source exists. Create new one and cache it.
fontSource = new XFontSource(fontBytes, key);
FontFactory.CacheNewFontSource(typefaceKey, fontSource);
}
return(fontSource);
}
