#define poisson_width 16
#define poisson_height 16
static unsigned char poisson_bits[] = {
   0x00, 0x00, 0x00, 0x04, 0x00, 0x06, 0xc0, 0x07, 0xe0, 0x07, 0xf8, 0x67,
   0xec, 0x7f, 0xfe, 0x3f, 0xfc, 0x3f, 0xf8, 0x77, 0xf0, 0x67, 0xe0, 0x07,
   0x00, 0x0e, 0x00, 0x0c, 0x00, 0x00, 0x00, 0x00 };