Mega Code Archive
How to obtain a list of charsets supported by a font
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Title: How to obtain a list of charsets supported by a font
type
TNewTextMetricEx = packed record
NewTextMetric: TNewTextMetric;
FontSignature: TFontSignature
end;
TCharSetRec = packed record
Name: string;
ID: Integer
end;
const
NumCharSets = 19;
CharSets: array[0..NumCharSets - 1] of TCharSetRec = ((Name: 'ANSI_CHARSET'; ID: 0),
(Name: 'DEFAULT_CHARSET'; ID: 1),
(Name: 'SYMBOL_CHARSET'; ID: 2),
(Name: 'SHIFTJIS_CHARSET'; ID: $80),
(Name: 'HANGEUL_CHARSET'; ID: 129),
(Name: 'GB2312_CHARSET'; ID: 134),
(Name: 'CHINESEBIG5_CHARSET'; ID: 136),
(Name: 'OEM_CHARSET'; ID: 255),
(Name: 'JOHAB_CHARSET'; ID: 130),
(Name: 'HEBREW_CHARSET'; ID: 177),
(Name: 'ARABIC_CHARSET'; ID: 178),
(Name: 'GREEK_CHARSET'; ID: 161),
(Name: 'TURKISH_CHARSET'; ID: 162),
(Name: 'VIETNAMESE_CHARSET'; ID: 163),
(Name: 'THAI_CHARSET'; ID: 222),
(Name: 'EASTEUROPE_CHARSET'; ID: 238),
(Name: 'RUSSIAN_CHARSET'; ID: 204),
(Name: 'MAC_CHARSET'; ID: 77),
(Name: 'BALTIC_CHARSET'; ID: 186));
function EnumProc(const EnumLogFontEx: TEnumLogFontEx;
const NewTextMetricEx: TNewTextMetricEx;
FontType: Integer;
Strings: TStrings): Integer; stdcall;
var
I: Integer;
ID: Integer;
S: string;
begin
ID := EnumLogFontEx.elfLogFont.lfCharSet;
S := Format('Unknown charset %d', [ID]);
for I := 0 to NumCharSets - 1 do
if CharSets[I].ID = ID then
begin
S := CharSets[I].Name;
Break;
end;
Strings.Add(S);
Result := 1
end;
procedure GetAvailableCharSets(const FaceName: string; CharSets: TStrings);
var
DC: THandle;
LogFont: TLogFont;
begin
DC := GetDC(GetDesktopWindow);
if DC 0 then
try
FillChar(LogFont, SizeOf(LogFont), 0);
Move(FaceName[1], LogFont.lfFaceName, Length(FaceName));
LogFont.lfCharSet := DEFAULT_CHARSET;
EnumFontFamiliesEx(DC, LogFont, @EnumProc, lParam(CharSets), 0);
finally
ReleaseDC(GetDesktopWindow, DC)
end
end;
procedure TForm1.Button1Click(Sender: TObject);
begin
Memo1.Clear;
GetAvailableCharSets('Arial Narrow Bold', Memo1.Lines);
end;
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