matrix.py 文件源码

def draw_frame(self, scr, x1, y1, x2, y2, attrs, clear_char=None):
        if USE_COLORS:
            if attrs == curses.A_REVERSE:
                attrs = curses.color_pair(COLOR_WINDOW)
        h, w = scr.getmaxyx()
        for y in (y1, y2):
            for x in range(x1, x2+1):
                if x < 0 or x > w-1 or y < 0 or y > h-2:
                    continue
                if clear_char is None:
                    scr.chgat(y, x, 1, attrs)
                else:
                    scr.addstr(y, x, clear_char, attrs)
        for x in (x1, x2):
            for y in range(y1, y2+1):
                if x < 0 or x > w-1 or y < 0 or y > h-2:
                    continue
                if clear_char is None:
                    scr.chgat(y, x, 1, attrs)
                else:
                    scr.addstr(y, x, clear_char, attrs)


# we don't need a good PRNG, just something that looks a bit random.