#include "dxguid.lib"
#include "ddraw.lib"
#include "ddraw.h"
#include <cstdlib>
#include <iostream>

using namespace std;

    // globals (ugh)
LPDIRECTDRAW lpDD; // DirectDraw object defined in DDRAW.H

/*
 * Function to initialize DirectDraw
 * Demonstrates:
 *   1) Creating the Direct Draw Object
 *   2) Setting the Cooperative level
 *   3) Setting the Display mode
 *
 */
bool DirectDrawInit(HWND hwnd)
{
    HRESULT ddrval;
    
   /*
    * Create the main DirectDraw object.
    *
    * This function takes care of initializing COM and Constructing
    * the DirectDraw object.
    */
    ddrval = DirectDrawCreate( NULL, &lpDD, NULL );
    if( ddrval != DD_OK )
    {
        return(false);
    }

   /*
    * The cooperative level determines how much control we have over the
    * screen. This must at least be either DDSCL_EXCLUSIVE or DDSCL_NORMAL
    *
    * DDSCL_EXCLUSIVE allows us to change video modes, and requires
    * the DDSCL_FULLSCREEN flag, which will cause the window to take over
    * the fullscreen. This is the preferred DirectDraw mode because it allows
    * us to have control of the whole screen without regard for GDI.
    *
    * DDSCL_NORMAL is used to allow the DirectDraw app to run windowed.
    */
    ddrval = lpDD->SetCooperativeLevel( hwnd, DDSCL_EXCLUSIVE | DDSCL_FULLSCREEN );
    if( ddrval != DD_OK )
    {
        lpDD->Release();
        return(false);
    }

   /*
    * Set the video mode to 640x480x8
    * This is allowed because we have set exclusive mode above
    */
    ddrval = lpDD->SetDisplayMode( 640, 480, 8);
    if( ddrval != DD_OK )
    {
        lpDD->Release();
        return(false);
    }

    return(true);
}

int main(int argc, char *argv[])
{    
    system("PAUSE");
    return EXIT_SUCCESS;
}