#define ruler_width 9
#define ruler_height 9
static unsigned char ruler_bits[] = {
   0x0e, 0x00, 0xff, 0x01, 0x0b, 0x01, 0xff, 0x01, 0x0a, 0x00, 0x0a, 0x00,
   0x0a, 0x00, 0x0a, 0x00, 0x0e, 0x00 };