booth_app.py 文件源码

def __init__(self):
        self.runtime_id = 0
        self._canvas = None
        self._background = None
        self._photo_space = None
        self.target_dir = None
        self.font = None
        self._init_camera()
        self.photos = []
        self.printer = backends.acquire_backend("output", "line_printer", self.config)
        self._init_gpio()
        self._get_last_runtime_id()
        self.get_current_photo_directory()

        pygame.init()
        self.clock = pygame.time.Clock()
        self.limit_cpu_usage()
        display_mode = pygame.HWSURFACE | pygame.DOUBLEBUF | pygame.FULLSCREEN
        self._canvas = pygame.display.set_mode((0, 0), display_mode)
        self.screen_width = pygame.display.Info().current_w
        self.screen_height = pygame.display.Info().current_h
        self._background = self.fill_background()
        self._photo_space = self.fill_photo_space()
        self._running = True
        self.font = pygame.font.Font(self.config.get('font_filename'), self.config.getint('font_size'))
        pygame.mouse.set_visible(False)