Оформил: DeeCo
Автор: http://www.swissdelphicenter.ch

type
   FontRec = packed record
     Color: TColor;
     LogFont: TLogFont;
   end;

 // Save a font to the registry 
// Eine Schrift in die Registry speichern 
procedure SaveFontToReg(reg: TRegistry; const key, id: string; Font: TFont);
 var
   fRec: FontRec;
 begin
   if Windows.GetObject(Font.Handle, SizeOf(fRec.LogFont), @fRec.LogFont) > 0 then
   begin
     if reg.OpenKey(key, True) then
       try
         fRec.Color := Font.Color;
         reg.WriteBinaryData(id, fRec, SizeOf(fRec));
       finally
         reg.CloseKey;
       end;
   end;
 end;

 // Load a font from the registry 
// Eine Schrift von der Registry laden 
procedure LoadFont(reg: TRegistry; const key, id: string; Font: TFont);
 var
   fRec: FontRec;
 begin
   if reg.OpenKey(key, False) then
     try
       if reg.ReadBinaryData(id, frec, SizeOf(fRec)) = SizeOf(fRec) then
         Font.Handle := CreateFontIndirect(fRec.LogFont);
       Font.Color := fRec.Color;
     finally
       reg.CloseKey;
     end;
 end;

 // Save a font to a stream 
// Eine Schrift in einen Stream speichern 
procedure WriteFontToStream(s: TStream; Font: TFont);
 var
   fRec: FontRec;
   sz: integer;
 begin
   sz := SizeOf(fRec.LogFont);
   if Windows.GetObject(Font.Handle, sz, @fRec.LogFont) > 0 then
   begin
     s.Write(sz, SizeOf(Integer));
     fRec.Color := Font.Color;
     s.Write(fRec, SizeOf(fRec));
   end
   else
   begin
     sz := 0;
     s.Write(sz, SizeOf(Integer));
   end;
 end;

 // Read a font from a stream 
// Eine Schrift von einem Stream laden 
procedure ReadFont(s: TStream; Font: TFont);
 var
   fRec: FontRec;
   sz: integer;
 begin
   s.read(sz, SizeOf(Integer));
   if sz = SizeOf(fRec.LogFont) then
   begin
     s.read(fRec, SizeOf(fRec));
     Font.Handle := CreateFontIndirect(fRec.LogFont);
     Font.Color  := fRec.Color;
   end;
 end;