Fix preferred and dynamic preferred sizes
Allow preferred and dynamic preferred sizes for extent layout
#define b_alignT_width 16
#define b_alignT_height 16
static unsigned char b_alignT_bits[] = {
0xff, 0xff, 0x08, 0x10, 0x1c, 0x38, 0x3e, 0x7c, 0x7f, 0xfe, 0x08, 0x10,
0x08, 0x10, 0x08, 0x10, 0x08, 0x10, 0x08, 0x10, 0x08, 0x10, 0x08, 0x10,
0x08, 0x10, 0x08, 0x10, 0x08, 0x10, 0x00, 0x00};