getScreenshot.py

def takeScreen(hwnd, scrname):
  wDC = win32gui.GetWindowDC(hwnd)
  dcObj=win32ui.CreateDCFromHandle(wDC)
  cDC=dcObj.CreateCompatibleDC()
  dataBitMap = win32ui.CreateBitmap()
  dataBitMap.CreateCompatibleBitmap(dcObj, 250, 210) #~=
  cDC.SelectObject(dataBitMap)
  cDC.BitBlt((0,0),(250, 210) , dcObj, (10,40), win32con.SRCCOPY) #~=
  dataBitMap.SaveBitmapFile(cDC, scrname)
  
def doWork(romname, savename, screenname):
  print 'fceux -loadstate %s %s'%(savename, romname)
  p = subprocess.Popen('fceux -turbo 1 -loadstate %s %s'%(savename, romname)) #start game
  time.sleep(0.5)                                                             #wait for game loaded
  hwnd = win32gui.FindWindow(None, "FCEUX 2.2.0: %s"%DIRECT_ROM_NAME)         #find window
  takeScreen(hwnd, screenname)                                                #take screenshot
  p.kill()