textscroller_vertical.py 文件源码

def __init__(self, text, width=640, height=400, fps=30, textcolor=(0,0,255), 
                 bgcolor=(255,255,255), font=('mono', 24, True), new_init=True, bg_filename=None):
        """Initialize pygame, window, background, font,...
           default arguments 
        """

        #pygame.mixer.pre_init(44100, -16, 2, 2048) 

        if new_init:
            pygame.init()

        #jump = pygame.mixer.Sound(os.path.join('data','jump.wav'))  #load sound
        #self.sound1 = pygame.mixer.Sound(os.path.join('data','Pickup_Coin.wav'))
        #self.sound2 = pygame.mixer.Sound(os.path.join('data','Jump.wav'))
        #self.sound3 = pygame.mixer.Sound(os.path.join('data','mix.wav'))
        pygame.display.set_caption("Press ESC to quit, curosr keys / PgUp, PgDown to scroll")
        self.text = text
        self.bgcolor = bgcolor
        self.textcolor = textcolor
        self.lines = text.split("\n")
        self.width = width
        self.height = height
        self.screen = pygame.display.set_mode((self.width, self.height), pygame.DOUBLEBUF)
        self.background = pygame.Surface(self.screen.get_size()).convert()  
        if bg_filename is None:
           self.background.fill(self.bgcolor) # fill background white
        else:
           try:
               print("i try to load:", bg_filename)
               self.background = pygame.image.load(bg_filename)
               self.background = pygame.transform.scale(self.background, (self.width, self.height))
           except:
                print("exception while processing:", bg_filename)
                self.background.fill(self.bgcolor) # fill background white
        self.clock = pygame.time.Clock()
        self.fps = fps
        self.playtime = 0.0
        self.offset_y = self.height - 10
        self.x = 100
        self.dy = 50
        self.text_height = len(self.lines) * self.dy
        self.bold = font[2]
        self.font = pygame.font.SysFont(font[0], font[1], self.bold)