#define shade_width 16
#define shade_height 16
static unsigned char shade_bits[] = {
  0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0x0f, 0xf0,
  0x0f, 0xf0, 0xff, 0xff, 0x7f, 0xfe, 0x3f, 0xfc, 0x1f, 0xf8, 0x0f, 0xf0,
  0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, };
