#define hamask_width 16
#define hamask_height 16
static char hamask_bits[] = {
   0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff,
   0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0x3f, 0xf9,
   0x37, 0xd9, 0xe7, 0xcf, 0x0f, 0xe0, 0xff, 0xff};