diff options
author | Akira Kakuto <kakuto@fuk.kindai.ac.jp> | 2020-05-18 10:44:36 +0000 |
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committer | Akira Kakuto <kakuto@fuk.kindai.ac.jp> | 2020-05-18 10:44:36 +0000 |
commit | f71aeb3fe9f385a634c46188515206f91c087b82 (patch) | |
tree | c629a78664446246792fc22a7cf8f36b9e4ffcee /Build/source/libs/harfbuzz/harfbuzz-src/src/hb-ot-layout-gdef-table.hh | |
parent | 57f9b626bae9d06ab9a7818a4bf6de15213980bb (diff) |
harfbuzz 2.6.6
git-svn-id: svn://tug.org/texlive/trunk@55197 c570f23f-e606-0410-a88d-b1316a301751
Diffstat (limited to 'Build/source/libs/harfbuzz/harfbuzz-src/src/hb-ot-layout-gdef-table.hh')
-rw-r--r-- | Build/source/libs/harfbuzz/harfbuzz-src/src/hb-ot-layout-gdef-table.hh | 130 |
1 files changed, 121 insertions, 9 deletions
diff --git a/Build/source/libs/harfbuzz/harfbuzz-src/src/hb-ot-layout-gdef-table.hh b/Build/source/libs/harfbuzz/harfbuzz-src/src/hb-ot-layout-gdef-table.hh index dc751d88ea9..7873f94faaa 100644 --- a/Build/source/libs/harfbuzz/harfbuzz-src/src/hb-ot-layout-gdef-table.hh +++ b/Build/source/libs/harfbuzz/harfbuzz-src/src/hb-ot-layout-gdef-table.hh @@ -96,6 +96,13 @@ struct AttachList struct CaretValueFormat1 { friend struct CaretValue; + bool subset (hb_subset_context_t *c) const + { + TRACE_SUBSET (this); + auto *out = c->serializer->embed (this); + if (unlikely (!out)) return_trace (false); + return_trace (true); + } private: hb_position_t get_caret_value (hb_font_t *font, hb_direction_t direction) const @@ -119,6 +126,13 @@ struct CaretValueFormat1 struct CaretValueFormat2 { friend struct CaretValue; + bool subset (hb_subset_context_t *c) const + { + TRACE_SUBSET (this); + auto *out = c->serializer->embed (this); + if (unlikely (!out)) return_trace (false); + return_trace (true); + } private: hb_position_t get_caret_value (hb_font_t *font, hb_direction_t direction, hb_codepoint_t glyph_id) const @@ -153,6 +167,15 @@ struct CaretValueFormat3 font->em_scale_y (coordinate) + (this+deviceTable).get_y_delta (font, var_store); } + bool subset (hb_subset_context_t *c) const + { + TRACE_SUBSET (this); + auto *out = c->serializer->embed (this); + if (unlikely (!out)) return_trace (false); + + return_trace (out->deviceTable.serialize_copy (c->serializer, deviceTable, this)); + } + bool sanitize (hb_sanitize_context_t *c) const { TRACE_SANITIZE (this); @@ -185,6 +208,19 @@ struct CaretValue } } + template <typename context_t, typename ...Ts> + typename context_t::return_t dispatch (context_t *c, Ts&&... ds) const + { + 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, hb_forward<Ts> (ds)...)); + case 2: return_trace (c->dispatch (u.format2, hb_forward<Ts> (ds)...)); + case 3: return_trace (c->dispatch (u.format3, hb_forward<Ts> (ds)...)); + default:return_trace (c->default_return_value ()); + } + } + bool sanitize (hb_sanitize_context_t *c) const { TRACE_SANITIZE (this); @@ -229,6 +265,19 @@ struct LigGlyph return carets.len; } + bool subset (hb_subset_context_t *c) const + { + TRACE_SUBSET (this); + auto *out = c->serializer->start_embed (*this); + if (unlikely (!c->serializer->extend_min (out))) return_trace (false); + + + hb_iter (carets) + | hb_apply (subset_offset_array (c, out->carets, this)) + ; + + return_trace (bool (out->carets)); + } + bool sanitize (hb_sanitize_context_t *c) const { TRACE_SANITIZE (this); @@ -265,6 +314,28 @@ struct LigCaretList return lig_glyph.get_lig_carets (font, direction, glyph_id, var_store, start_offset, caret_count, caret_array); } + bool subset (hb_subset_context_t *c) const + { + TRACE_SUBSET (this); + const hb_set_t &glyphset = *c->plan->glyphset (); + const hb_map_t &glyph_map = *c->plan->glyph_map; + + auto *out = c->serializer->start_embed (*this); + if (unlikely (!c->serializer->extend_min (out))) return_trace (false); + + hb_sorted_vector_t<hb_codepoint_t> new_coverage; + + hb_zip (this+coverage, ligGlyph) + | hb_filter (glyphset, hb_first) + | hb_filter (subset_offset_array (c, out->ligGlyph, this), hb_second) + | hb_map (hb_first) + | hb_map (glyph_map) + | hb_sink (new_coverage) + ; + out->coverage.serialize (c->serializer, out) + .serialize (c->serializer, new_coverage.iter ()); + return_trace (bool (new_coverage)); + } + bool sanitize (hb_sanitize_context_t *c) const { TRACE_SANITIZE (this); @@ -288,6 +359,34 @@ struct MarkGlyphSetsFormat1 bool covers (unsigned int set_index, hb_codepoint_t glyph_id) const { return (this+coverage[set_index]).get_coverage (glyph_id) != NOT_COVERED; } + bool subset (hb_subset_context_t *c) const + { + TRACE_SUBSET (this); + auto *out = c->serializer->start_embed (*this); + if (unlikely (!c->serializer->extend_min (out))) return_trace (false); + out->format = format; + + bool ret = true; + for (const LOffsetTo<Coverage>& offset : coverage.iter ()) + { + auto *o = out->coverage.serialize_append (c->serializer); + if (unlikely (!o)) + { + ret = false; + break; + } + + //not using o->serialize_subset (c, offset, this, out) here because + //OTS doesn't allow null offset. + //See issue: https://github.com/khaledhosny/ots/issues/172 + c->serializer->push (); + c->dispatch (this+offset); + c->serializer->add_link (*o, c->serializer->pop_pack ()); + } + + return_trace (ret && out->coverage.len); + } + bool sanitize (hb_sanitize_context_t *c) const { TRACE_SANITIZE (this); @@ -313,6 +412,15 @@ struct MarkGlyphSets } } + bool subset (hb_subset_context_t *c) const + { + TRACE_SUBSET (this); + switch (u.format) { + case 1: return_trace (u.format1.subset (c)); + default:return_trace (false); + } + } + bool sanitize (hb_sanitize_context_t *c) const { TRACE_SANITIZE (this); @@ -356,7 +464,7 @@ struct GDEF unsigned int get_glyph_class (hb_codepoint_t glyph) const { return (this+glyphClassDef).get_class (glyph); } void get_glyphs_in_class (unsigned int klass, hb_set_t *glyphs) const - { (this+glyphClassDef).add_class (glyphs, klass); } + { (this+glyphClassDef).collect_class (glyphs, klass); } bool has_mark_attachment_types () const { return markAttachClassDef != 0; } unsigned int get_mark_attachment_type (hb_codepoint_t glyph) const @@ -386,7 +494,7 @@ struct GDEF bool has_var_store () const { return version.to_int () >= 0x00010003u && varStore != 0; } const VariationStore &get_var_store () const - { return version.to_int () >= 0x00010003u ? this+varStore : Null(VariationStore); } + { return version.to_int () >= 0x00010003u ? this+varStore : Null (VariationStore); } /* glyph_props is a 16-bit integer where the lower 8-bit have bits representing * glyph class and other bits, and high 8-bit the mark attachment type (if any). @@ -416,7 +524,7 @@ struct GDEF { void init (hb_face_t *face) { - this->table = hb_sanitize_context_t().reference_table<GDEF> (face); + this->table = hb_sanitize_context_t ().reference_table<GDEF> (face); if (unlikely (this->table->is_blacklisted (this->table.get_blob (), face))) { hb_blob_destroy (this->table.get_blob ()); @@ -442,16 +550,20 @@ struct GDEF auto *out = c->serializer->embed (*this); if (unlikely (!out)) return_trace (false); - out->glyphClassDef.serialize_subset (c, glyphClassDef, this, out); - out->attachList = 0;//TODO(subset) serialize_subset (c, attachList, this, out); - out->ligCaretList = 0;//TODO(subset) serialize_subset (c, ligCaretList, this, out); - out->markAttachClassDef.serialize_subset (c, markAttachClassDef, this, out); + out->glyphClassDef.serialize_subset (c, glyphClassDef, this); + out->attachList = 0;//TODO(subset) serialize_subset (c, attachList, this); + out->ligCaretList.serialize_subset (c, ligCaretList, this); + out->markAttachClassDef.serialize_subset (c, markAttachClassDef, this); if (version.to_int () >= 0x00010002u) - out->markGlyphSetsDef = 0;// TODO(subset) serialize_subset (c, markGlyphSetsDef, this, out); + { + if (!out->markGlyphSetsDef.serialize_subset (c, markGlyphSetsDef, this) && + version.to_int () == 0x00010002u) + out->version.minor = 0; + } if (version.to_int () >= 0x00010003u) - out->varStore = 0;// TODO(subset) serialize_subset (c, varStore, this, out); + out->varStore = 0;// TODO(subset) serialize_subset (c, varStore, this); return_trace (true); } |