FGIW5: Delphi Version

{*****************************************************************************
*                                                                            *
*  FGIW5.dpr                                                                 *
*  FGIW5U.pas                                                                *
*                                                                            *
*  Demonstrate how to retrieve other types of files from an FGI library.     *
*                                                                            *
*****************************************************************************}
unit Fgiw5u;
interface
uses
  SysUtils, WinTypes, WinProcs, Messages, Classes, Graphics, Controls,
  Forms, Dialogs, FGWin, FGIWin;
type
  TForm1 = class(TForm)
    procedure AppOnActivate(Sender: TObject);
    procedure FormActivate(Sender: TObject);
    procedure FormCreate(Sender: TObject);
    procedure FormPaint(Sender: TObject);
    procedure FormResize(Sender: TObject);
    procedure FormDestroy(Sender: TObject);
  end;
var
  Form1: TForm1;
implementation
{$R *.DFM}
var
  dc   : hDC;
  hPal : hPalette;
  hVB  : integer;
  hFGI : integer;
  cxClient, cyClient : integer;
  Bitmap : array [1..1680] of byte;
procedure TForm1.AppOnActivate(Sender: TObject);
begin
  fg_realize(hPal);
  Invalidate;
end;
procedure TForm1.FormActivate(Sender: TObject);
begin
  fg_realize(hPal);
end;
procedure TForm1.FormCreate(Sender: TObject);
begin
  dc := GetDC(Form1.Handle);
  fg_setdc(dc);
  hPal := fg_defpal;
  fg_realize(hPal);
  fg_vbinit;
  hVB := fg_vballoc(320,200);
  fg_vbopen(hVB);
  fg_vbcolors;
  hFGI := fgi_open('EXAMPLE.FGI'+chr(0));
  if hFGI = 0 then
  begin
    MessageDlg('Unable to open FGI file.',mtError,[mbOK],0);
    Close;
    Exit;
  end;
  fgi_showbmp('CORAL.BMP'+chr(0),FG_KEEPCOLORS,hFGI);
  fg_move(132,100);
  fgi_read('FISH.MAP'+chr(0),Bitmap,hFGI);
  fg_drwimage(Bitmap,56,30);
  fgi_close(hFGI);
  Application.OnActivate := AppOnActivate;
end;
procedure TForm1.FormPaint(Sender: TObject);
begin
  fg_vbscale(0,fg_getmaxx,0,fg_getmaxy,0,cxClient-1,0,cyClient-1);
end;
procedure TForm1.FormResize(Sender: TObject);
begin
  cxClient := ClientWidth;
  cyClient := ClientHeight;
  Invalidate;
end;
procedure TForm1.FormDestroy(Sender: TObject);
begin
  fg_vbclose;
  fg_vbfree(hVB);
  fg_vbfin;
  DeleteObject(hPal);
  ReleaseDC(Form1.Handle,dc);
end;
end.