#define test_width 10
#define test_height 8
static unsigned char test_bits[] = {
   0x00, 0x00, 0x30, 0x00, 0x48, 0x00, 0x00, 0x00, 0x00, 0x00, 0x48, 0x00,
   0x01, 0x02, 0x02, 0x01};
