diff options
Diffstat (limited to 'src/3rdparty/harfbuzz-ng/src/hb-ot-post-table-v2subset.hh')
| -rw-r--r-- | src/3rdparty/harfbuzz-ng/src/hb-ot-post-table-v2subset.hh | 52 |
1 files changed, 40 insertions, 12 deletions
diff --git a/src/3rdparty/harfbuzz-ng/src/hb-ot-post-table-v2subset.hh b/src/3rdparty/harfbuzz-ng/src/hb-ot-post-table-v2subset.hh index c8ea011269..d44233610a 100644 --- a/src/3rdparty/harfbuzz-ng/src/hb-ot-post-table-v2subset.hh +++ b/src/3rdparty/harfbuzz-ng/src/hb-ot-post-table-v2subset.hh @@ -52,16 +52,16 @@ HB_INTERNAL bool postV2Tail::serialize (hb_serialize_context_t *c, { unsigned glyph_id = _.first; unsigned new_index = _.second; - + if (new_index < 258) continue; if (copied_indices.has (new_index)) continue; copied_indices.add (new_index); - + hb_bytes_t s = reinterpret_cast<const post::accelerator_t*> (_post)->find_glyph_name (glyph_id); HBUINT8 *o = c->allocate_size<HBUINT8> (HBUINT8::static_size * (s.length + 1)); if (unlikely (!o)) return_trace (false); if (!c->check_assign (o[0], s.length, HB_SERIALIZE_ERROR_INT_OVERFLOW)) return_trace (false); - memcpy (o+1, s.arrayZ, HBUINT8::static_size * s.length); + hb_memcpy (o+1, s.arrayZ, HBUINT8::static_size * s.length); } return_trace (true); @@ -76,19 +76,51 @@ HB_INTERNAL bool postV2Tail::subset (hb_subset_context_t *c) const hb_map_t old_new_index_map, old_gid_new_index_map; unsigned i = 0; + post::accelerator_t _post (c->plan->source); + + hb_hashmap_t<hb_bytes_t, uint32_t, true> glyph_name_to_new_index; + + old_new_index_map.alloc (num_glyphs); + old_gid_new_index_map.alloc (num_glyphs); + glyph_name_to_new_index.alloc (num_glyphs); + for (hb_codepoint_t new_gid = 0; new_gid < num_glyphs; new_gid++) { hb_codepoint_t old_gid = reverse_glyph_map.get (new_gid); unsigned old_index = glyphNameIndex[old_gid]; unsigned new_index; - if (old_index <= 257) new_index = old_index; - else if (old_new_index_map.has (old_index)) new_index = old_new_index_map.get (old_index); + const uint32_t *new_index2; + if (old_index <= 257) + new_index = old_index; + else if (old_new_index_map.has (old_index, &new_index2)) + new_index = *new_index2; else { - new_index = 258 + i; + hb_bytes_t s = _post.find_glyph_name (old_gid); + new_index = glyph_name_to_new_index.get (s); + if (new_index == (unsigned)-1) + { + int standard_glyph_index = -1; + for (unsigned i = 0; i < format1_names_length; i++) + { + if (s == format1_names (i)) + { + standard_glyph_index = i; + break; + } + } + + if (standard_glyph_index == -1) + { + new_index = 258 + i; + i++; + } + else + { new_index = standard_glyph_index; } + glyph_name_to_new_index.set (s, new_index); + } old_new_index_map.set (old_index, new_index); - i++; } old_gid_new_index_map.set (old_gid, new_index); } @@ -103,11 +135,7 @@ HB_INTERNAL bool postV2Tail::subset (hb_subset_context_t *c) const }) ; - post::accelerator_t _post; - _post.init (c->plan->source); - bool ret = serialize (c->serializer, index_iter, &_post); - _post.fini (); - return_trace (ret); + return_trace (serialize (c->serializer, index_iter, &_post)); } } /* namespace OT */ |