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HRESULT ddrval;
RECT rc;
SetRect(&rc,0,0,m_xoffset,m_yoffset);
AdjustWindowRect(&rc,WS_CAPTION | WS_SYSMENU | WS_MINIMIZEBOX | WS_OVERLAPPED,TRUE);
MoveWindow (m_hwnd,
GetSystemMetrics(SM_CXSCREEN)/2-m_xoffset/2,
GetSystemMetrics(SM_CYSCREEN)/2-m_yoffset/2,
(rc.right-rc.left),(rc.bottom-rc.top),true);
SetWindowLong(m_hwnd,GWL_STYLE,WS_CAPTION | WS_SYSMENU | WS_MINIMIZEBOX | WS_OVERLAPPED);
ShowWindow (m_hwnd, SW_SHOWNORMAL);
UpdateWindow (m_hwnd);
// Direct Draw vorbereiten
ddrval = DirectDrawCreateEx(NULL, (VOID **)&m_lpDD, IID_IDirectDraw7, NULL);
if(ddrval != DD_OK)
return 1;
ddrval =m_lpDD->SetCooperativeLevel(m_hwnd, DDSCL_NORMAL );
if(ddrval != DD_OK)
return 2;
DDSURFACEDESC2 ddsd;
ZeroMemory(&ddsd, sizeof(ddsd));
ddsd.dwSize = sizeof(ddsd);
ddsd.dwFlags = DDSD_CAPS;
ddsd.ddsCaps.dwCaps = DDSCAPS_3DDEVICE|DDSCAPS_PRIMARYSURFACE |DDSCAPS_VIDEOMEMORY;
ddrval = m_lpDD->CreateSurface(&ddsd, &m_lpDDSPrimary, NULL);
if(ddrval != DD_OK)
return 4;
ddrval=m_lpDD->CreateClipper(0,&m_lpDClip, NULL);
if(ddrval != DD_OK)
return 7;
ddrval=m_lpDClip->SetHWnd(0, m_hwnd);
if(ddrval != DD_OK)
return 8;
ddrval=m_lpDDSPrimary->SetClipper(m_lpDClip);
if(ddrval != DD_OK)
return 9;
if(m_lpDClip != NULL)
{
m_lpDClip->Release();
m_lpDClip = NULL;
}
ZeroMemory(&ddsd,sizeof(ddsd)) ;
ddsd.dwSize = sizeof(DDSURFACEDESC2) ;
ddsd.dwFlags = DDSD_CAPS| DDSD_WIDTH | DDSD_HEIGHT ;
ddsd.ddsCaps.dwCaps = DDSCAPS_OFFSCREENPLAIN | DDSCAPS_3DDEVICE |DDSCAPS_VIDEOMEMORY;
ddsd.dwWidth = m_xoffset ;
ddsd.dwHeight = m_yoffset ;
ddrval=m_lpDD->CreateSurface(&ddsd, &m_lpDDSBack,NULL);
if (ddrval!=DD_OK)
return 5;
// Farbmaske
ZeroMemory(&ddsd, sizeof(ddsd));
ddsd.dwSize=sizeof(ddsd);
ddrval = m_lpDD->GetDisplayMode(&ddsd);
if(ddrval != DD_OK)
return 6;
m_MaskRed = ddsd.ddpfPixelFormat.dwRBitMask;
m_MaskGreen = ddsd.ddpfPixelFormat.dwGBitMask;
m_MaskBlue = ddsd.ddpfPixelFormat.dwBBitMask;
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