playmus.py 文件源码

def __init__(self, title):
        pygame.display.set_caption(title)
        self.screen.fill(Color('white'))
        pygame.display.flip()

        pygame.freetype.init()
        self.font = pygame.freetype.Font(None, 20)
        self.font.origin = True
        self.ascender = int(self.font.get_sized_ascender() * 1.5)
        self.descender = int(self.font.get_sized_descender() * 1.5)
        self.line_height = self.ascender - self.descender

        self.write_lines("'q', ESCAPE or close this window to quit\n"
                         "SPACE to play/pause\n"
                         "'r' to rewind\n"
                         "'f' to faid out over 5 seconds\n", 0)