1#define clear_width 16
2#define clear_height 16
3static unsigned char clear_bits[] = {
4   0x00, 0x00, 0x88, 0x0c, 0x10, 0x1f, 0x22, 0x3b, 0xc4, 0x6f, 0xc8, 0x7b,
5   0x60, 0x3f, 0x32, 0x3e, 0x34, 0x4c, 0x30, 0x0e, 0xe0, 0x13, 0xc0, 0x21,
6   0x00, 0x44, 0x80, 0x08, 0x00, 0x11, 0x00, 0x00};
7