PPT Slide

// Create the DirectDraw object

hr = DirectDrawCreate( NULL, &lpdd, NULL );

if( hr != DD_OK )

return FALSE;

// Decide the application's behaviour

hr = lpdd->SetCooperativeLevel( hwndApp, DDSCL_EXCLUSIVE |

DDSCL_FULLSCREEN | DDSCL_ALLOWMODEX );

if( hr != DD_OK )

return FALSE;

// Set the display mode

hr = lpdd->SetDisplayMode( window_width, window_height, bits_per_pixel );

if( hr != DD_OK )

return FALSE;

ddsd.dwSize = sizeof( ddsd );

ddsd.dwFlags = DDSD_CAPS | DDSD_BACKBUFFERCOUNT;

ddsd.dwBackBufferCount = 1; //We are using one back buffer

//Specify surface capabilities

ddsd.ddsCaps.dwCaps = DDSCAPS_PRIMARYSURFACE | DDSCAPS_FLIP | DDSCAPS_COMPLEX;

hr = lpdd->CreateSurface( &ddsd, &lpFrontBuffer, NULL );

if( hr != DD_OK )

return FALSE;

// get pointer to back buffer

ddscaps.dwCaps = DDSCAPS_BACKBUFFER;

hr = lpFrontBuffer->GetAttachedSurface(&ddscaps, &lpBackBuffer );

if( hr != DD_OK )

return FALSE;

/* Initial screen layout & rendering can be done here if needed */

return TRUE;

}

DirectDraw