/src/harfbuzz/src/OT/Layout/GPOS/PosLookup.hh
Line | Count | Source |
1 | | #ifndef OT_LAYOUT_GPOS_POSLOOKUP_HH |
2 | | #define OT_LAYOUT_GPOS_POSLOOKUP_HH |
3 | | |
4 | | #include "PosLookupSubTable.hh" |
5 | | #include "../../../hb-ot-layout-common.hh" |
6 | | |
7 | | namespace OT { |
8 | | namespace Layout { |
9 | | namespace GPOS_impl { |
10 | | |
11 | | struct PosLookup : Lookup |
12 | | { |
13 | | using SubTable = PosLookupSubTable; |
14 | | |
15 | | const SubTable& get_subtable (unsigned int i) const |
16 | 0 | { return Lookup::get_subtable<SubTable> (i); } |
17 | | |
18 | | bool is_reverse () const |
19 | 0 | { |
20 | 0 | return false; |
21 | 0 | } |
22 | | |
23 | | bool apply (hb_ot_apply_context_t *c) const |
24 | 0 | { |
25 | 0 | TRACE_APPLY (this); |
26 | 0 | return_trace (dispatch (c)); |
27 | 0 | } |
28 | | |
29 | | bool intersects (const hb_set_t *glyphs) const |
30 | 0 | { |
31 | 0 | hb_intersects_context_t c (glyphs); |
32 | 0 | return dispatch (&c); |
33 | 0 | } |
34 | | |
35 | | hb_collect_glyphs_context_t::return_t collect_glyphs (hb_collect_glyphs_context_t *c) const |
36 | 0 | { return dispatch (c); } |
37 | | |
38 | | hb_closure_lookups_context_t::return_t closure_lookups (hb_closure_lookups_context_t *c, unsigned this_index) const |
39 | 0 | { |
40 | 0 | if (c->is_lookup_visited (this_index)) |
41 | 0 | return hb_closure_lookups_context_t::default_return_value (); |
42 | 0 |
|
43 | 0 | c->set_lookup_visited (this_index); |
44 | 0 | if (!intersects (c->glyphs)) |
45 | 0 | { |
46 | 0 | c->set_lookup_inactive (this_index); |
47 | 0 | return hb_closure_lookups_context_t::default_return_value (); |
48 | 0 | } |
49 | 0 |
|
50 | 0 | hb_closure_lookups_context_t::return_t ret = dispatch (c); |
51 | 0 | return ret; |
52 | 0 | } |
53 | | |
54 | | template <typename set_t> |
55 | | void collect_coverage (set_t *glyphs) const |
56 | | { |
57 | | hb_collect_coverage_context_t<set_t> c (glyphs); |
58 | | dispatch (&c); |
59 | | } |
60 | | |
61 | | template <typename context_t> |
62 | | static typename context_t::return_t dispatch_recurse_func (context_t *c, unsigned int lookup_index); |
63 | | |
64 | | template <typename context_t, typename ...Ts> |
65 | | typename context_t::return_t dispatch (context_t *c, Ts&&... ds) const |
66 | 0 | { return Lookup::dispatch<SubTable> (c, std::forward<Ts> (ds)...); }Unexecuted instantiation: OT::hb_ot_apply_context_t::return_t OT::Layout::GPOS_impl::PosLookup::dispatch<OT::hb_ot_apply_context_t>(OT::hb_ot_apply_context_t*) const Unexecuted instantiation: OT::hb_intersects_context_t::return_t OT::Layout::GPOS_impl::PosLookup::dispatch<OT::hb_intersects_context_t>(OT::hb_intersects_context_t*) const Unexecuted instantiation: OT::hb_collect_glyphs_context_t::return_t OT::Layout::GPOS_impl::PosLookup::dispatch<OT::hb_collect_glyphs_context_t>(OT::hb_collect_glyphs_context_t*) const Unexecuted instantiation: OT::hb_closure_lookups_context_t::return_t OT::Layout::GPOS_impl::PosLookup::dispatch<OT::hb_closure_lookups_context_t>(OT::hb_closure_lookups_context_t*) const Unexecuted instantiation: OT::hb_collect_variation_indices_context_t::return_t OT::Layout::GPOS_impl::PosLookup::dispatch<OT::hb_collect_variation_indices_context_t>(OT::hb_collect_variation_indices_context_t*) const Unexecuted instantiation: OT::hb_accelerate_subtables_context_t::return_t OT::Layout::GPOS_impl::PosLookup::dispatch<OT::hb_accelerate_subtables_context_t>(OT::hb_accelerate_subtables_context_t*) const Unexecuted instantiation: hb_position_single_dispatch_t::return_t OT::Layout::GPOS_impl::PosLookup::dispatch<hb_position_single_dispatch_t, hb_font_t*&, hb_blob_t*&, hb_direction_t&, unsigned int&, hb_glyph_position_t&>(hb_position_single_dispatch_t*, hb_font_t*&, hb_blob_t*&, hb_direction_t&, unsigned int&, hb_glyph_position_t&) const |
67 | | |
68 | | bool subset (hb_subset_context_t *c) const |
69 | 0 | { return Lookup::subset<SubTable> (c); } |
70 | | |
71 | | bool sanitize (hb_sanitize_context_t *c) const |
72 | 0 | { return Lookup::sanitize<SubTable> (c); } |
73 | | }; |
74 | | |
75 | | } |
76 | | } |
77 | | } |
78 | | |
79 | | #endif /* OT_LAYOUT_GPOS_POSLOOKUP_HH */ |