harfbuzz/src/OT/Layout/GPOS/Common.hh

34 lines
1.1 KiB
C++

#ifndef OT_LAYOUT_GPOS_COMMON_HH
#define OT_LAYOUT_GPOS_COMMON_HH
namespace OT {
namespace Layout {
namespace GPOS_impl {
enum attach_type_t {
ATTACH_TYPE_NONE = 0X00,
/* Each attachment should be either a mark or a cursive; can't be both. */
ATTACH_TYPE_MARK = 0X01,
ATTACH_TYPE_CURSIVE = 0X02,
};
/* buffer **position** var allocations */
#define attach_chain() var.i16[0] /* glyph to which this attaches to, relative to current glyphs; negative for going back, positive for forward. */
#define attach_type() var.u8[2] /* attachment type */
/* Note! if attach_chain() is zero, the value of attach_type() is irrelevant. */
template<typename Iterator, typename SrcLookup>
static void SinglePos_serialize (hb_serialize_context_t *c,
const SrcLookup *src,
Iterator it,
const hb_hashmap_t<unsigned, hb_pair_t<unsigned, int>> *layout_variation_idx_delta_map,
bool all_axes_pinned);
}
}
}
#endif // OT_LAYOUT_GPOS_COMMON_HH