Cherry-picked Ruler.st from a3177d4a9ae5:
* b2a3ee58d40c: #UI_ENHANCEMENT by exept, Claus Gittinger <cg@exept.de>
#define center_width 32
#define center_height 16
#define center_x_hot -1
#define center_y_hot -1
static char center_bits[] = {
0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0xf8, 0xff, 0xff, 0x1f,
0x00, 0x00, 0x00, 0x00, 0xc0, 0xff, 0xff, 0x03, 0x00, 0x00, 0x00, 0x00,
0xe0, 0xff, 0xff, 0x07, 0x00, 0x00, 0x00, 0x00, 0x00, 0xfe, 0x7f, 0x00,
0x00, 0x00, 0x00, 0x00, 0xfc, 0xff, 0xff, 0x3f, 0x00, 0x00, 0x00, 0x00,
0xc0, 0xff, 0xff, 0x03, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
0x00, 0x00, 0x00, 0x00};