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author | Daniel Baumann <daniel.baumann@progress-linux.org> | 2024-04-07 17:32:43 +0000 |
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committer | Daniel Baumann <daniel.baumann@progress-linux.org> | 2024-04-07 17:32:43 +0000 |
commit | 6bf0a5cb5034a7e684dcc3500e841785237ce2dd (patch) | |
tree | a68f146d7fa01f0134297619fbe7e33db084e0aa /gfx/harfbuzz/src/OT/Layout/GSUB/MultipleSubst.hh | |
parent | Initial commit. (diff) | |
download | thunderbird-6bf0a5cb5034a7e684dcc3500e841785237ce2dd.tar.xz thunderbird-6bf0a5cb5034a7e684dcc3500e841785237ce2dd.zip |
Adding upstream version 1:115.7.0.upstream/1%115.7.0upstream
Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>
Diffstat (limited to '')
-rw-r--r-- | gfx/harfbuzz/src/OT/Layout/GSUB/MultipleSubst.hh | 62 |
1 files changed, 62 insertions, 0 deletions
diff --git a/gfx/harfbuzz/src/OT/Layout/GSUB/MultipleSubst.hh b/gfx/harfbuzz/src/OT/Layout/GSUB/MultipleSubst.hh new file mode 100644 index 0000000000..742c8587ee --- /dev/null +++ b/gfx/harfbuzz/src/OT/Layout/GSUB/MultipleSubst.hh @@ -0,0 +1,62 @@ +#ifndef OT_LAYOUT_GSUB_MULTIPLESUBST_HH +#define OT_LAYOUT_GSUB_MULTIPLESUBST_HH + +#include "Common.hh" +#include "MultipleSubstFormat1.hh" + +namespace OT { +namespace Layout { +namespace GSUB_impl { + +struct MultipleSubst +{ + protected: + union { + HBUINT16 format; /* Format identifier */ + MultipleSubstFormat1_2<SmallTypes> format1; +#ifndef HB_NO_BEYOND_64K + MultipleSubstFormat1_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); + 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 ()); + } + } + + template<typename Iterator, + hb_requires (hb_is_sorted_iterator (Iterator))> + bool serialize (hb_serialize_context_t *c, + Iterator it) + { + TRACE_SERIALIZE (this); + if (unlikely (!c->extend_min (u.format))) return_trace (false); + unsigned int format = 1; + u.format = format; + switch (u.format) { + case 1: return_trace (u.format1.serialize (c, it)); + default:return_trace (false); + } + } + + /* TODO subset() should choose format. */ + +}; + + +} +} +} + +#endif /* OT_LAYOUT_GSUB_MULTIPLESUBST_HH */ |