graphics.py 文件源码

def init_display():
    """
    set up the pygame display, full screen
    """

    # Check which frame buffer drivers are available
    # Start with fbcon since directfb hangs with composite output
    drivers = ['fbcon', 'directfb', 'svgalib', 'directx', 'windib']
    found = False
    for driver in drivers:
        # Make sure that SDL_VIDEODRIVER is set
        if not os.getenv('SDL_VIDEODRIVER'):
            os.putenv('SDL_VIDEODRIVER', driver)
        try:
            pygame.display.init()
        except pygame.error:
            #  logging.warn('Driver: %s failed.' % driver)
            continue
        found = True
        logging.debug('using %s driver', driver)
        break

    if not found:
        raise Exception('No suitable video driver found!')

    size = (pygame.display.Info().current_w, pygame.display.Info().current_h)
    pygame.mouse.set_visible(0)
    if driver != 'directx':  # debugging hack runs in a window on Windows
        screen = pygame.display.set_mode(size, pygame.FULLSCREEN)
    else:
        logging.info('running in windowed mode')
        # set window origin for windowed usage
        os.putenv('SDL_VIDEO_WINDOW_POS', '0,0')
        # size = (size[0]-10, size[1] - 30)
        screen = pygame.display.set_mode(size, pygame.NOFRAME)

    logging.debug('display size: %d x %d', size[0], size[1])
    # Clear the screen to start
    screen.fill(BLACK)
    return screen, size