FGIW1: C++Builder Version

/****************************************************************************\
*                                                                            *
*  FGIW1.cpp                                                                 *
*  FGIW1U.cpp                                                                *
*                                                                            *
*  Demonstrate the basic Fastgraph/Image for Windows operations of opening   *
*  an FGI file and displaying a PCX image from that FGI file.                *
*                                                                            *
\****************************************************************************/
#include 
#pragma hdrstop
#include "FGIW1U.h"
//---------------------------------------------------------------------------
#pragma resource "*.dfm"
TForm1 *Form1;
//---------------------------------------------------------------------------
__fastcall TForm1::TForm1(TComponent* Owner)
   : TForm(Owner)
{
}
//---------------------------------------------------------------------------
void __fastcall TForm1::FormActivate(TObject *Sender)
{
   fg_realize(hPal);
   Invalidate();
}
//---------------------------------------------------------------------------
void __fastcall TForm1::FormCreate(TObject *Sender)
{
   hDC = GetDC(Form1->Handle);
   fg_setdc(hDC);
   hPal = fg_defpal();
   fg_realize(hPal);
   fg_vbinit();
   hVB = fg_vballoc(320,200);
   fg_vbopen(hVB);
   fg_vbcolors();
   hFGI = fgi_open("EXAMPLE.FGI");
   if (hFGI == 0)
   {
      MessageDlg("Unable to open FGI file.",mtError,TMsgDlgButtons()<OnActivate = OnActivate;
}
//---------------------------------------------------------------------------
void __fastcall TForm1::FormPaint(TObject *Sender)
{
   fg_vbscale(0,fg_getmaxx(),0,fg_getmaxy(),0,cxClient-1,0,cyClient-1);
}
//---------------------------------------------------------------------------
void __fastcall TForm1::FormResize(TObject *Sender)
{
   cxClient = ClientWidth;
   cyClient = ClientHeight;
   Invalidate();
}
//---------------------------------------------------------------------------
void __fastcall TForm1::FormDestroy(TObject *Sender)
{
   fg_vbclose();
   fg_vbfree(hVB);
   fg_vbfin();
   DeleteObject(hPal);
   ReleaseDC(Form1->Handle,hDC);
}