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How to load fonts from disk

Posted on 1997-07-23
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Last Modified: 2013-12-02
how can i load fonts from disk (ttf-files) and use them in my
Delphi program ???
I want to make a font viewer for UNinstalled font
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Question by:frost072397
2 Comments
 
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Accepted Solution

by:
erajoj earned 300 total points
ID: 1339613
Something like this:

type
  TForm1=class( TForm )
      procedure FormCreate(Sender: TObject);
      procedure FormDestroy(Sender: TObject);
      ...
    private
      { Private declarations }
      bLoadedFont: boolean;
    public
      { Public declarations }
  end;

procedure TForm1.FormCreate(Sender: TObject);

  var
    sAppDir: string;
    sFontRes: string;

  begin
  sAppDir := Application.ExeName;
  sAppDir := copy( sAppDir, 1, rpos( '\', sAppDir ) );

  sFontRes := sAppDir + 'MYFONT.FOT';
  if not FileExists( sFontRes ) then
    begin
    sFontRes := sFontRes + #0;
    sFont := sAppDir + 'MYFONT.TTF' + #0;
    CreateScalableFontResource( 0, @sFontRes[ 1 ], @sFont[ 1 ], nil );
    end;

  sFontRes := sAppDir + 'MYFONT.FOT';
  if FileExists( sFontRes ) then
    begin
    sFontRes := sFontRes + #0;
    if AddFontResource( @sFontRes[ 1 ] ) = 0 then
      bLoadedFont := false
    else
      begin
      bLoadedFont := true;
      SendMessage( HWND_BROADCAST, WM_FONTCHANGE, 0, 0 );
      end;
    end;

  ...
  end;

procedure TForm1.FormDestroy(Sender: TObject);

  var
    sFontRes: string;

  begin
  if bLoadedFont then
    begin
    sFontRes := sAppDir + 'MYFONT.FOT' + #0;
    RemoveFontResource( @sFontRes[ 1 ] );
    SendMessage( HWND_BROADCAST, WM_FONTCHANGE, 0, 0 );
    end;
  end;

/// John
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Author Comment

by:frost072397
ID: 1339614
have to check it out....but looks good, thanks
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