diff options
Diffstat (limited to 'src/3rdparty/harfbuzz-ng/src/OT/Layout/GSUB/AlternateSubst.hh')
-rw-r--r-- | src/3rdparty/harfbuzz-ng/src/OT/Layout/GSUB/AlternateSubst.hh | 19 |
1 files changed, 15 insertions, 4 deletions
diff --git a/src/3rdparty/harfbuzz-ng/src/OT/Layout/GSUB/AlternateSubst.hh b/src/3rdparty/harfbuzz-ng/src/OT/Layout/GSUB/AlternateSubst.hh index e5d999261f..04a052a783 100644 --- a/src/3rdparty/harfbuzz-ng/src/OT/Layout/GSUB/AlternateSubst.hh +++ b/src/3rdparty/harfbuzz-ng/src/OT/Layout/GSUB/AlternateSubst.hh @@ -6,28 +6,36 @@ namespace OT { namespace Layout { -namespace GSUB { +namespace GSUB_impl { struct AlternateSubst { protected: union { - HBUINT16 format; /* Format identifier */ - AlternateSubstFormat1 format1; + HBUINT16 format; /* Format identifier */ + AlternateSubstFormat1_2<SmallTypes> format1; +#ifndef HB_NO_BEYOND_64K + AlternateSubstFormat1_2<MediumTypes> format2; +#endif } u; public: template <typename context_t, typename ...Ts> typename context_t::return_t dispatch (context_t *c, Ts&&... ds) const { + if (unlikely (!c->may_dispatch (this, &u.format))) return c->no_dispatch_return_value (); TRACE_DISPATCH (this, u.format); - if (unlikely (!c->may_dispatch (this, &u.format))) return_trace (c->no_dispatch_return_value ()); switch (u.format) { case 1: return_trace (c->dispatch (u.format1, std::forward<Ts> (ds)...)); +#ifndef HB_NO_BEYOND_64K + case 2: return_trace (c->dispatch (u.format2, std::forward<Ts> (ds)...)); +#endif default:return_trace (c->default_return_value ()); } } + /* TODO This function is unused and not updated to 24bit GIDs. Should be done by using + * iterators. While at it perhaps using iterator of arrays of hb_codepoint_t instead. */ bool serialize (hb_serialize_context_t *c, hb_sorted_array_t<const HBGlyphID16> glyphs, hb_array_t<const unsigned int> alternate_len_list, @@ -42,6 +50,9 @@ struct AlternateSubst default:return_trace (false); } } + + /* TODO subset() should choose format. */ + }; } |