#define ufast_mask_width 16
#define ufast_mask_height 16
#define ufast_mask_x_hot 8
#define ufast_mask_y_hot 8
static char ufast_mask_bits[] = {
   0x00, 0x01, 0x80, 0x03, 0xc0, 0x07, 0xe0, 0x0f, 0xf0, 0x1f, 0xf8, 0x3f,
   0xfc, 0x7f, 0xfe, 0xff, 0xfe, 0xff, 0xc0, 0x07, 0xe0, 0x0f, 0xf0, 0x1f,
   0xf8, 0x3f, 0xfc, 0x7f, 0xfe, 0xff, 0xfe, 0xff};