diff options
Diffstat (limited to 'thirdparty/harfbuzz/src/hb-ot-layout-gdef-table.hh')
| -rw-r--r-- | thirdparty/harfbuzz/src/hb-ot-layout-gdef-table.hh | 46 |
1 files changed, 36 insertions, 10 deletions
diff --git a/thirdparty/harfbuzz/src/hb-ot-layout-gdef-table.hh b/thirdparty/harfbuzz/src/hb-ot-layout-gdef-table.hh index 5bc26d9182..22925fdfa9 100644 --- a/thirdparty/harfbuzz/src/hb-ot-layout-gdef-table.hh +++ b/thirdparty/harfbuzz/src/hb-ot-layout-gdef-table.hh @@ -200,15 +200,34 @@ struct CaretValueFormat3 bool subset (hb_subset_context_t *c) const { TRACE_SUBSET (this); - auto *out = c->serializer->embed (this); + auto *out = c->serializer->start_embed (*this); if (unlikely (!out)) return_trace (false); + if (!c->serializer->embed (caretValueFormat)) return_trace (false); + if (!c->serializer->embed (coordinate)) return_trace (false); + + unsigned varidx = (this+deviceTable).get_variation_index (); + if (c->plan->layout_variation_idx_delta_map->has (varidx)) + { + int delta = hb_second (c->plan->layout_variation_idx_delta_map->get (varidx)); + if (delta != 0) + { + if (!c->serializer->check_assign (out->coordinate, coordinate + delta, HB_SERIALIZE_ERROR_INT_OVERFLOW)) + return_trace (false); + } + } + + if (c->plan->all_axes_pinned) + return_trace (c->serializer->check_assign (out->caretValueFormat, 1, HB_SERIALIZE_ERROR_INT_OVERFLOW)); + + if (!c->serializer->embed (deviceTable)) + return_trace (false); return_trace (out->deviceTable.serialize_copy (c->serializer, deviceTable, this, c->serializer->to_bias (out), - hb_serialize_context_t::Head, c->plan->layout_variation_idx_map)); + hb_serialize_context_t::Head, c->plan->layout_variation_idx_delta_map)); } - void collect_variation_indices (hb_set_t *layout_variation_indices) const - { (this+deviceTable).collect_variation_indices (layout_variation_indices); } + void collect_variation_indices (hb_collect_variation_indices_context_t *c) const + { (this+deviceTable).collect_variation_indices (c); } bool sanitize (hb_sanitize_context_t *c) const { @@ -255,14 +274,14 @@ struct CaretValue } } - void collect_variation_indices (hb_set_t *layout_variation_indices) const + void collect_variation_indices (hb_collect_variation_indices_context_t *c) const { switch (u.format) { case 1: case 2: return; case 3: - u.format3.collect_variation_indices (layout_variation_indices); + u.format3.collect_variation_indices (c); return; default: return; } @@ -329,7 +348,7 @@ struct LigGlyph void collect_variation_indices (hb_collect_variation_indices_context_t *c) const { for (const Offset16To<CaretValue>& offset : carets.iter ()) - (this+offset).collect_variation_indices (c->layout_variation_indices); + (this+offset).collect_variation_indices (c); } bool sanitize (hb_sanitize_context_t *c) const @@ -586,7 +605,10 @@ struct GDEFVersion1_2 bool subset_varstore = false; if (version.to_int () >= 0x00010003u) { - subset_varstore = out->varStore.serialize_subset (c, varStore, this); + if (c->plan->all_axes_pinned) + out->varStore = 0; + else + subset_varstore = out->varStore.serialize_subset (c, varStore, this, c->plan->gdef_varstore_inner_maps.as_array ()); } if (subset_varstore) @@ -846,7 +868,7 @@ struct GDEF { get_lig_caret_list ().collect_variation_indices (c); } void remap_layout_variation_indices (const hb_set_t *layout_variation_indices, - hb_map_t *layout_variation_idx_map /* OUT */) const + hb_hashmap_t<unsigned, hb_pair_t<unsigned, int>> *layout_variation_idx_delta_map /* OUT */) const { if (!has_var_store ()) return; if (layout_variation_indices->is_empty ()) return; @@ -864,7 +886,11 @@ struct GDEF } unsigned new_idx = (new_major << 16) + new_minor; - layout_variation_idx_map->set (idx, new_idx); + if (!layout_variation_idx_delta_map->has (idx)) + continue; + int delta = hb_second (layout_variation_idx_delta_map->get (idx)); + + layout_variation_idx_delta_map->set (idx, hb_pair_t<unsigned, int> (new_idx, delta)); ++new_minor; last_major = major; } |