diff options
Diffstat (limited to 'thirdparty/harfbuzz/src/hb-subset-plan.cc')
| -rw-r--r-- | thirdparty/harfbuzz/src/hb-subset-plan.cc | 492 |
1 files changed, 345 insertions, 147 deletions
diff --git a/thirdparty/harfbuzz/src/hb-subset-plan.cc b/thirdparty/harfbuzz/src/hb-subset-plan.cc index 7ff66333a8..71bc908ffb 100644 --- a/thirdparty/harfbuzz/src/hb-subset-plan.cc +++ b/thirdparty/harfbuzz/src/hb-subset-plan.cc @@ -25,7 +25,9 @@ */ #include "hb-subset-plan.hh" +#include "hb-subset-accelerator.hh" #include "hb-map.hh" +#include "hb-multimap.hh" #include "hb-set.hh" #include "hb-ot-cmap-table.hh" @@ -46,7 +48,7 @@ using OT::Layout::GPOS; typedef hb_hashmap_t<unsigned, hb::unique_ptr<hb_set_t>> script_langsys_map; #ifndef HB_NO_SUBSET_CFF -static inline void +static inline bool _add_cff_seac_components (const OT::cff1::accelerator_t &cff, hb_codepoint_t gid, hb_set_t *gids_to_retain) @@ -56,7 +58,9 @@ _add_cff_seac_components (const OT::cff1::accelerator_t &cff, { gids_to_retain->add (base_gid); gids_to_retain->add (accent_gid); + return true; } + return false; } #endif @@ -81,16 +85,12 @@ static void _remap_indexes (const hb_set_t *indexes, hb_map_t *mapping /* OUT */) { - unsigned count = indexes->get_population (); - - for (auto _ : + hb_zip (indexes->iter (), hb_range (count))) - mapping->set (_.first, _.second); + for (auto _ : + hb_enumerate (indexes->iter ())) + mapping->set (_.second, _.first); } #ifndef HB_NO_SUBSET_LAYOUT -typedef void (*layout_collect_func_t) (hb_face_t *face, hb_tag_t table_tag, const hb_tag_t *scripts, const hb_tag_t *languages, const hb_tag_t *features, hb_set_t *lookup_indexes /* OUT */); - /* * Removes all tags from 'tags' that are not in filter. Additionally eliminates any duplicates. @@ -130,8 +130,10 @@ static bool _filter_tag_list(hb_vector_t<hb_tag_t>* tags, /* IN/OUT */ template <typename T> static void _collect_layout_indices (hb_subset_plan_t *plan, const T& table, - layout_collect_func_t layout_collect_func, - hb_set_t *indices /* OUT */) + hb_set_t *lookup_indices, /* OUT */ + hb_set_t *feature_indices, /* OUT */ + hb_hashmap_t<unsigned, hb::shared_ptr<hb_set_t>> *feature_record_cond_idx_map, /* OUT */ + hb_hashmap_t<unsigned, const OT::Feature*> *feature_substitutes_map /* OUT */) { unsigned num_features = table.get_feature_count (); hb_vector_t<hb_tag_t> features; @@ -149,12 +151,44 @@ static void _collect_layout_indices (hb_subset_plan_t *plan, || !plan->check_success (!scripts.in_error ()) || !scripts) return; - layout_collect_func (plan->source, - T::tableTag, - retain_all_scripts ? nullptr : scripts.arrayZ, - nullptr, - retain_all_features ? nullptr : features.arrayZ, - indices); + hb_ot_layout_collect_features (plan->source, + T::tableTag, + retain_all_scripts ? nullptr : scripts.arrayZ, + nullptr, + retain_all_features ? nullptr : features.arrayZ, + feature_indices); + +#ifndef HB_NO_VAR + // collect feature substitutes with variations + if (!plan->user_axes_location->is_empty ()) + { + hb_hashmap_t<hb::shared_ptr<hb_map_t>, unsigned> conditionset_map; + OT::hb_collect_feature_substitutes_with_var_context_t c = + { + plan->axes_old_index_tag_map, + plan->axes_location, + feature_record_cond_idx_map, + feature_substitutes_map, + feature_indices, + true, + 0, + &conditionset_map + }; + table.collect_feature_substitutes_with_variations (&c); + } +#endif + + for (unsigned feature_index : *feature_indices) + { + const OT::Feature* f = &(table.get_feature (feature_index)); + const OT::Feature **p = nullptr; + if (feature_substitutes_map->has (feature_index, &p)) + f = *p; + + f->add_lookup_indexes_to (lookup_indices); + } + + table.feature_variation_collect_lookups (feature_indices, feature_substitutes_map, lookup_indices); } @@ -162,6 +196,7 @@ static inline void _GSUBGPOS_find_duplicate_features (const OT::GSUBGPOS &g, const hb_map_t *lookup_indices, const hb_set_t *feature_indices, + const hb_hashmap_t<unsigned, const OT::Feature*> *feature_substitutes_map, hb_map_t *duplicate_feature_map /* OUT */) { if (feature_indices->is_empty ()) return; @@ -186,16 +221,22 @@ _GSUBGPOS_find_duplicate_features (const OT::GSUBGPOS &g, hb_set_t* same_tag_features = unique_features.get (t); for (unsigned other_f_index : same_tag_features->iter ()) { - const OT::Feature& f = g.get_feature (i); - const OT::Feature& other_f = g.get_feature (other_f_index); + const OT::Feature* f = &(g.get_feature (i)); + const OT::Feature **p = nullptr; + if (feature_substitutes_map->has (i, &p)) + f = *p; + + const OT::Feature* other_f = &(g.get_feature (other_f_index)); + if (feature_substitutes_map->has (other_f_index, &p)) + f = *p; auto f_iter = - + hb_iter (f.lookupIndex) + + hb_iter (f->lookupIndex) | hb_filter (lookup_indices) ; auto other_f_iter = - + hb_iter (other_f.lookupIndex) + + hb_iter (other_f->lookupIndex) | hb_filter (lookup_indices) ; @@ -228,15 +269,19 @@ _closure_glyphs_lookups_features (hb_subset_plan_t *plan, hb_set_t *gids_to_retain, hb_map_t *lookups, hb_map_t *features, - script_langsys_map *langsys_map) + script_langsys_map *langsys_map, + hb_hashmap_t<unsigned, hb::shared_ptr<hb_set_t>> *feature_record_cond_idx_map, + hb_hashmap_t<unsigned, const OT::Feature*> *feature_substitutes_map) { hb_blob_ptr_t<T> table = plan->source_table<T> (); hb_tag_t table_tag = table->tableTag; - hb_set_t lookup_indices; + hb_set_t lookup_indices, feature_indices; _collect_layout_indices<T> (plan, *table, - hb_ot_layout_collect_lookups, - &lookup_indices); + &lookup_indices, + &feature_indices, + feature_record_cond_idx_map, + feature_substitutes_map); if (table_tag == HB_OT_TAG_GSUB) hb_ot_layout_lookups_substitute_closure (plan->source, @@ -247,19 +292,16 @@ _closure_glyphs_lookups_features (hb_subset_plan_t *plan, &lookup_indices); _remap_indexes (&lookup_indices, lookups); - // Collect and prune features - hb_set_t feature_indices; - _collect_layout_indices<T> (plan, - *table, - hb_ot_layout_collect_features, - &feature_indices); - - table->prune_features (lookups, &feature_indices); + // prune features + table->prune_features (lookups, + plan->user_axes_location->is_empty () ? nullptr : feature_record_cond_idx_map, + feature_substitutes_map, + &feature_indices); hb_map_t duplicate_feature_map; - _GSUBGPOS_find_duplicate_features (*table, lookups, &feature_indices, &duplicate_feature_map); + _GSUBGPOS_find_duplicate_features (*table, lookups, &feature_indices, feature_substitutes_map, &duplicate_feature_map); feature_indices.clear (); - table->prune_langsys (&duplicate_feature_map, langsys_map, &feature_indices); + table->prune_langsys (&duplicate_feature_map, plan->layout_scripts, langsys_map, &feature_indices); _remap_indexes (&feature_indices, features); table.destroy (); @@ -269,11 +311,48 @@ _closure_glyphs_lookups_features (hb_subset_plan_t *plan, #ifndef HB_NO_VAR static inline void -_collect_layout_variation_indices (hb_subset_plan_t* plan, - const hb_set_t *glyphset, - const hb_map_t *gpos_lookups, - hb_set_t *layout_variation_indices, - hb_map_t *layout_variation_idx_map) +_generate_varstore_inner_maps (const hb_set_t& varidx_set, + unsigned subtable_count, + hb_vector_t<hb_inc_bimap_t> &inner_maps /* OUT */) +{ + if (varidx_set.is_empty () || subtable_count == 0) return; + + inner_maps.resize (subtable_count); + for (unsigned idx : varidx_set) + { + uint16_t major = idx >> 16; + uint16_t minor = idx & 0xFFFF; + + if (major >= subtable_count) + continue; + inner_maps[major].add (minor); + } +} + +static inline hb_font_t* +_get_hb_font_with_variations (const hb_subset_plan_t *plan) +{ + hb_font_t *font = hb_font_create (plan->source); + + hb_vector_t<hb_variation_t> vars; + vars.alloc (plan->user_axes_location->get_population ()); + + for (auto _ : *plan->user_axes_location) + { + hb_variation_t var; + var.tag = _.first; + var.value = _.second; + vars.push (var); + } + +#ifndef HB_NO_VAR + hb_font_set_variations (font, vars.arrayZ, plan->user_axes_location->get_population ()); +#endif + return font; +} + +static inline void +_collect_layout_variation_indices (hb_subset_plan_t* plan) { hb_blob_ptr_t<OT::GDEF> gdef = plan->source_table<OT::GDEF> (); hb_blob_ptr_t<GPOS> gpos = plan->source_table<GPOS> (); @@ -284,13 +363,40 @@ _collect_layout_variation_indices (hb_subset_plan_t* plan, gpos.destroy (); return; } - OT::hb_collect_variation_indices_context_t c (layout_variation_indices, glyphset, gpos_lookups); + + const OT::VariationStore *var_store = nullptr; + hb_set_t varidx_set; + hb_font_t *font = nullptr; + float *store_cache = nullptr; + bool collect_delta = plan->pinned_at_default ? false : true; + if (collect_delta) + { + font = _get_hb_font_with_variations (plan); + if (gdef->has_var_store ()) + { + var_store = &(gdef->get_var_store ()); + store_cache = var_store->create_cache (); + } + } + + OT::hb_collect_variation_indices_context_t c (&varidx_set, + plan->layout_variation_idx_delta_map, + font, var_store, + plan->_glyphset_gsub, + plan->gpos_lookups, + store_cache); gdef->collect_variation_indices (&c); if (hb_ot_layout_has_positioning (plan->source)) gpos->collect_variation_indices (&c); - gdef->remap_layout_variation_indices (layout_variation_indices, layout_variation_idx_map); + hb_font_destroy (font); + var_store->destroy_cache (store_cache); + + gdef->remap_layout_variation_indices (&varidx_set, plan->layout_variation_idx_delta_map); + + unsigned subtable_count = gdef->has_var_store () ? gdef->get_var_store ().get_sub_table_count () : 0; + _generate_varstore_inner_maps (varidx_set, subtable_count, plan->gdef_varstore_inner_maps); gdef.destroy (); gpos.destroy (); @@ -354,46 +460,108 @@ _populate_unicodes_to_retain (const hb_set_t *unicodes, hb_subset_plan_t *plan) { OT::cmap::accelerator_t cmap (plan->source); - unsigned size_threshold = plan->source->get_num_glyphs (); if (glyphs->is_empty () && unicodes->get_population () < size_threshold) { + + const hb_map_t* unicode_to_gid = nullptr; + if (plan->accelerator) + unicode_to_gid = &plan->accelerator->unicode_to_gid; + // This is approach to collection is faster, but can only be used if glyphs // are not being explicitly added to the subset and the input unicodes set is // not excessively large (eg. an inverted set). plan->unicode_to_new_gid_list.alloc (unicodes->get_population ()); - for (hb_codepoint_t cp : *unicodes) - { - hb_codepoint_t gid; - if (!cmap.get_nominal_glyph (cp, &gid)) + if (!unicode_to_gid) { + for (hb_codepoint_t cp : *unicodes) { - DEBUG_MSG(SUBSET, nullptr, "Drop U+%04X; no gid", cp); - continue; + hb_codepoint_t gid; + if (!cmap.get_nominal_glyph (cp, &gid)) + { + DEBUG_MSG(SUBSET, nullptr, "Drop U+%04X; no gid", cp); + continue; + } + + plan->codepoint_to_glyph->set (cp, gid); + plan->unicode_to_new_gid_list.push (hb_pair (cp, gid)); + } + } else { + // Use in memory unicode to gid map it's faster then looking up from + // the map. This code is mostly duplicated from above to avoid doing + // conditionals on the presence of the unicode_to_gid map each + // iteration. + for (hb_codepoint_t cp : *unicodes) + { + hb_codepoint_t gid = unicode_to_gid->get (cp); + if (gid == HB_MAP_VALUE_INVALID) + { + DEBUG_MSG(SUBSET, nullptr, "Drop U+%04X; no gid", cp); + continue; + } + + plan->codepoint_to_glyph->set (cp, gid); + plan->unicode_to_new_gid_list.push (hb_pair (cp, gid)); } - - plan->codepoint_to_glyph->set (cp, gid); - plan->unicode_to_new_gid_list.push (hb_pair (cp, gid)); } } else { // This approach is slower, but can handle adding in glyphs to the subset and will match // them with cmap entries. - hb_map_t unicode_glyphid_map; - hb_set_t cmap_unicodes; - cmap.collect_mapping (&cmap_unicodes, &unicode_glyphid_map); - plan->unicode_to_new_gid_list.alloc (hb_min(unicodes->get_population () - + glyphs->get_population (), - cmap_unicodes.get_population ())); - - for (hb_codepoint_t cp : cmap_unicodes) + + hb_map_t unicode_glyphid_map_storage; + hb_set_t cmap_unicodes_storage; + const hb_map_t* unicode_glyphid_map = &unicode_glyphid_map_storage; + const hb_set_t* cmap_unicodes = &cmap_unicodes_storage; + + if (!plan->accelerator) { + cmap.collect_mapping (&cmap_unicodes_storage, &unicode_glyphid_map_storage); + plan->unicode_to_new_gid_list.alloc (hb_min(unicodes->get_population () + + glyphs->get_population (), + cmap_unicodes->get_population ())); + } else { + unicode_glyphid_map = &plan->accelerator->unicode_to_gid; + cmap_unicodes = &plan->accelerator->unicodes; + } + + if (plan->accelerator && + unicodes->get_population () < cmap_unicodes->get_population () && + glyphs->get_population () < cmap_unicodes->get_population ()) + { + auto &gid_to_unicodes = plan->accelerator->gid_to_unicodes; + for (hb_codepoint_t gid : *glyphs) + { + auto unicodes = gid_to_unicodes.get (gid); + + for (hb_codepoint_t cp : unicodes) + { + plan->codepoint_to_glyph->set (cp, gid); + plan->unicode_to_new_gid_list.push (hb_pair (cp, gid)); + } + } + for (hb_codepoint_t cp : *unicodes) + { + /* Don't double-add entry. */ + if (plan->codepoint_to_glyph->has (cp)) + continue; + + hb_codepoint_t gid = (*unicode_glyphid_map)[cp]; + plan->codepoint_to_glyph->set (cp, gid); + plan->unicode_to_new_gid_list.push (hb_pair (cp, gid)); + } + plan->unicode_to_new_gid_list.qsort (); + } + else { - hb_codepoint_t gid = unicode_glyphid_map[cp]; - if (!unicodes->has (cp) && !glyphs->has (gid)) - continue; + for (hb_codepoint_t cp : *cmap_unicodes) + { + hb_codepoint_t gid = (*unicode_glyphid_map)[cp]; + if (!unicodes->has (cp) && !glyphs->has (gid)) + continue; - plan->codepoint_to_glyph->set (cp, gid); - plan->unicode_to_new_gid_list.push (hb_pair (cp, gid)); + plan->codepoint_to_glyph->set (cp, gid); + plan->unicode_to_new_gid_list.push (hb_pair (cp, gid)); + } } /* Add gids which where requested, but not mapped in cmap */ @@ -444,9 +612,7 @@ _glyf_add_gid_and_children (const OT::glyf_accelerator_t &glyf, static void _populate_gids_to_retain (hb_subset_plan_t* plan, - bool close_over_gsub, - bool close_over_gpos, - bool close_over_gdef) + hb_set_t* drop_tables) { OT::glyf_accelerator_t glyf (plan->source); #ifndef HB_NO_SUBSET_CFF @@ -458,32 +624,42 @@ _populate_gids_to_retain (hb_subset_plan_t* plan, _cmap_closure (plan->source, plan->unicodes, plan->_glyphset_gsub); #ifndef HB_NO_SUBSET_LAYOUT - if (close_over_gsub) + if (!drop_tables->has (HB_OT_TAG_GSUB)) // closure all glyphs/lookups/features needed for GSUB substitutions. _closure_glyphs_lookups_features<GSUB> ( plan, plan->_glyphset_gsub, plan->gsub_lookups, plan->gsub_features, - plan->gsub_langsys); + plan->gsub_langsys, + plan->gsub_feature_record_cond_idx_map, + plan->gsub_feature_substitutes_map); - if (close_over_gpos) + if (!drop_tables->has (HB_OT_TAG_GPOS)) _closure_glyphs_lookups_features<GPOS> ( plan, plan->_glyphset_gsub, plan->gpos_lookups, plan->gpos_features, - plan->gpos_langsys); + plan->gpos_langsys, + plan->gpos_feature_record_cond_idx_map, + plan->gpos_feature_substitutes_map); #endif _remove_invalid_gids (plan->_glyphset_gsub, plan->source->get_num_glyphs ()); hb_set_set (plan->_glyphset_mathed, plan->_glyphset_gsub); - _math_closure (plan, plan->_glyphset_mathed); - _remove_invalid_gids (plan->_glyphset_mathed, plan->source->get_num_glyphs ()); + if (!drop_tables->has (HB_OT_TAG_MATH)) + { + _math_closure (plan, plan->_glyphset_mathed); + _remove_invalid_gids (plan->_glyphset_mathed, plan->source->get_num_glyphs ()); + } hb_set_t cur_glyphset = *plan->_glyphset_mathed; - _colr_closure (plan->source, plan->colrv1_layers, plan->colr_palettes, &cur_glyphset); - _remove_invalid_gids (&cur_glyphset, plan->source->get_num_glyphs ()); + if (!drop_tables->has (HB_OT_TAG_COLR)) + { + _colr_closure (plan->source, plan->colrv1_layers, plan->colr_palettes, &cur_glyphset); + _remove_invalid_gids (&cur_glyphset, plan->source->get_num_glyphs ()); + } hb_set_set (plan->_glyphset_colred, &cur_glyphset); @@ -496,21 +672,23 @@ _populate_gids_to_retain (hb_subset_plan_t* plan, else plan->_glyphset->union_ (cur_glyphset); #ifndef HB_NO_SUBSET_CFF - if (cff.is_valid ()) - for (hb_codepoint_t gid : cur_glyphset) - _add_cff_seac_components (cff, gid, plan->_glyphset); + if (!plan->accelerator || plan->accelerator->has_seac) + { + bool has_seac = false; + if (cff.is_valid ()) + for (hb_codepoint_t gid : cur_glyphset) + if (_add_cff_seac_components (cff, gid, plan->_glyphset)) + has_seac = true; + plan->has_seac = has_seac; + } #endif _remove_invalid_gids (plan->_glyphset, plan->source->get_num_glyphs ()); #ifndef HB_NO_VAR - if (close_over_gdef) - _collect_layout_variation_indices (plan, - plan->_glyphset_gsub, - plan->gpos_lookups, - plan->layout_variation_indices, - plan->layout_variation_idx_map); + if (!drop_tables->has (HB_OT_TAG_GDEF)) + _collect_layout_variation_indices (plan); #endif } @@ -585,12 +763,9 @@ _nameid_closure (hb_face_t *face, #ifndef HB_NO_VAR static void -_normalize_axes_location (hb_face_t *face, - const hb_hashmap_t<hb_tag_t, float> *user_axes_location, - hb_hashmap_t<hb_tag_t, int> *normalized_axes_location, /* OUT */ - bool &all_axes_pinned) +_normalize_axes_location (hb_face_t *face, hb_subset_plan_t *plan) { - if (user_axes_location->is_empty ()) + if (plan->user_axes_location->is_empty ()) return; hb_array_t<const OT::AxisRecord> axes = face->table.fvar->get_axes (); @@ -601,29 +776,35 @@ _normalize_axes_location (hb_face_t *face, seg_maps = face->table.avar->get_segment_maps (); bool axis_not_pinned = false; - unsigned axis_count = 0; + unsigned old_axis_idx = 0, new_axis_idx = 0; for (const auto& axis : axes) { hb_tag_t axis_tag = axis.get_axis_tag (); - if (!user_axes_location->has (axis_tag)) + plan->axes_old_index_tag_map->set (old_axis_idx, axis_tag); + + if (!plan->user_axes_location->has (axis_tag)) { axis_not_pinned = true; + plan->axes_index_map->set (old_axis_idx, new_axis_idx); + new_axis_idx++; } else { - int normalized_v = axis.normalize_axis_value (user_axes_location->get (axis_tag)); - if (has_avar && axis_count < face->table.avar->get_axis_count ()) + int normalized_v = axis.normalize_axis_value (plan->user_axes_location->get (axis_tag)); + if (has_avar && old_axis_idx < face->table.avar->get_axis_count ()) { normalized_v = seg_maps->map (normalized_v); } - normalized_axes_location->set (axis_tag, normalized_v); + plan->axes_location->set (axis_tag, normalized_v); + if (normalized_v != 0) + plan->pinned_at_default = false; } if (has_avar) seg_maps = &StructAfter<OT::SegmentMaps> (*seg_maps); - - axis_count++; + + old_axis_idx++; } - all_axes_pinned = !axis_not_pinned; + plan->all_axes_pinned = !axis_not_pinned; } #endif /** @@ -681,29 +862,69 @@ hb_subset_plan_create_or_fail (hb_face_t *face, plan->gsub_features = hb_map_create (); plan->gpos_features = hb_map_create (); + + plan->check_success (plan->gsub_feature_record_cond_idx_map = hb_hashmap_create<unsigned, hb::shared_ptr<hb_set_t>> ()); + plan->check_success (plan->gpos_feature_record_cond_idx_map = hb_hashmap_create<unsigned, hb::shared_ptr<hb_set_t>> ()); + + plan->check_success (plan->gsub_feature_substitutes_map = hb_hashmap_create<unsigned, const OT::Feature*> ()); + plan->check_success (plan->gpos_feature_substitutes_map = hb_hashmap_create<unsigned, const OT::Feature*> ()); + plan->colrv1_layers = hb_map_create (); plan->colr_palettes = hb_map_create (); - plan->layout_variation_indices = hb_set_create (); - plan->layout_variation_idx_map = hb_map_create (); + plan->check_success (plan->layout_variation_idx_delta_map = hb_hashmap_create<unsigned, hb_pair_t<unsigned, int>> ()); + plan->gdef_varstore_inner_maps.init (); plan->check_success (plan->sanitized_table_cache = hb_hashmap_create<hb_tag_t, hb::unique_ptr<hb_blob_t>> ()); plan->check_success (plan->axes_location = hb_hashmap_create<hb_tag_t, int> ()); plan->check_success (plan->user_axes_location = hb_hashmap_create<hb_tag_t, float> ()); if (plan->user_axes_location && input->axes_location) *plan->user_axes_location = *input->axes_location; + plan->check_success (plan->axes_index_map = hb_map_create ()); + plan->check_success (plan->axes_old_index_tag_map = hb_map_create ()); plan->all_axes_pinned = false; + plan->pinned_at_default = true; + + plan->check_success (plan->vmtx_map = hb_hashmap_create<unsigned, hb_pair_t<unsigned, int>> ()); + plan->check_success (plan->hmtx_map = hb_hashmap_create<unsigned, hb_pair_t<unsigned, int>> ()); + +#ifdef HB_EXPERIMENTAL_API + plan->check_success (plan->name_table_overrides = hb_hashmap_create<hb_ot_name_record_ids_t, hb_bytes_t> ()); + if (plan->name_table_overrides && input->name_table_overrides) + { + for (auto _ : *input->name_table_overrides) + { + hb_bytes_t name_bytes = _.second; + unsigned len = name_bytes.length; + char *name_str = (char *) hb_malloc (len); + if (unlikely (!plan->check_success (name_str))) + break; + + hb_memcpy (name_str, name_bytes.arrayZ, len); + plan->name_table_overrides->set (_.first, hb_bytes_t (name_str, len)); + } + } +#endif + + void* accel = hb_face_get_user_data(face, hb_subset_accelerator_t::user_data_key()); + + plan->attach_accelerator_data = input->attach_accelerator_data; + plan->force_long_loca = input->force_long_loca; + if (accel) + plan->accelerator = (hb_subset_accelerator_t*) accel; + if (unlikely (plan->in_error ())) { hb_subset_plan_destroy (plan); return nullptr; } +#ifndef HB_NO_VAR + _normalize_axes_location (face, plan); +#endif + _populate_unicodes_to_retain (input->sets.unicodes, input->sets.glyphs, plan); - _populate_gids_to_retain (plan, - !input->sets.drop_tables->has (HB_OT_TAG_GSUB), - !input->sets.drop_tables->has (HB_OT_TAG_GPOS), - !input->sets.drop_tables->has (HB_OT_TAG_GDEF)); + _populate_gids_to_retain (plan, input->sets.drop_tables); _create_old_gid_to_new_gid_map (face, input->flags & HB_SUBSET_FLAGS_RETAIN_GIDS, @@ -725,18 +946,33 @@ hb_subset_plan_create_or_fail (hb_face_t *face, plan->glyph_map->get(plan->unicode_to_new_gid_list.arrayZ[i].second); } -#ifndef HB_NO_VAR - _normalize_axes_location (face, - input->axes_location, - plan->axes_location, - plan->all_axes_pinned); -#endif - _nameid_closure (face, plan->name_ids, plan->all_axes_pinned, plan->user_axes_location); if (unlikely (plan->in_error ())) { hb_subset_plan_destroy (plan); return nullptr; } + + + if (plan->attach_accelerator_data) + { + hb_multimap_t gid_to_unicodes; + + hb_map_t &unicode_to_gid = *plan->codepoint_to_glyph; + + for (auto unicode : *plan->unicodes) + { + auto gid = unicode_to_gid[unicode]; + gid_to_unicodes.add (gid, unicode); + } + + plan->inprogress_accelerator = + hb_subset_accelerator_t::create (*plan->codepoint_to_glyph, + gid_to_unicodes, + *plan->unicodes, + plan->has_seac); + } + + return plan; } @@ -754,44 +990,6 @@ hb_subset_plan_destroy (hb_subset_plan_t *plan) { if (!hb_object_destroy (plan)) return; - hb_set_destroy (plan->unicodes); - hb_set_destroy (plan->name_ids); - hb_set_destroy (plan->name_languages); - hb_set_destroy (plan->layout_features); - hb_set_destroy (plan->layout_scripts); - hb_set_destroy (plan->glyphs_requested); - hb_set_destroy (plan->drop_tables); - hb_set_destroy (plan->no_subset_tables); - hb_face_destroy (plan->source); - hb_face_destroy (plan->dest); - hb_map_destroy (plan->codepoint_to_glyph); - hb_map_destroy (plan->glyph_map); - hb_map_destroy (plan->reverse_glyph_map); - hb_map_destroy (plan->glyph_map_gsub); - hb_set_destroy (plan->_glyphset); - hb_set_destroy (plan->_glyphset_gsub); - hb_set_destroy (plan->_glyphset_mathed); - hb_set_destroy (plan->_glyphset_colred); - hb_map_destroy (plan->gsub_lookups); - hb_map_destroy (plan->gpos_lookups); - hb_map_destroy (plan->gsub_features); - hb_map_destroy (plan->gpos_features); - hb_map_destroy (plan->colrv1_layers); - hb_map_destroy (plan->colr_palettes); - hb_set_destroy (plan->layout_variation_indices); - hb_map_destroy (plan->layout_variation_idx_map); - - hb_hashmap_destroy (plan->gsub_langsys); - hb_hashmap_destroy (plan->gpos_langsys); - hb_hashmap_destroy (plan->axes_location); - hb_hashmap_destroy (plan->sanitized_table_cache); - - if (plan->user_axes_location) - { - hb_object_destroy (plan->user_axes_location); - hb_free (plan->user_axes_location); - } - hb_free (plan); } |