diff options
Diffstat (limited to 'gfx/harfbuzz/src/hb-ot-var-gvar-table.hh')
| -rw-r--r-- | gfx/harfbuzz/src/hb-ot-var-gvar-table.hh | 27 |
1 files changed, 21 insertions, 6 deletions
diff --git a/gfx/harfbuzz/src/hb-ot-var-gvar-table.hh b/gfx/harfbuzz/src/hb-ot-var-gvar-table.hh index 1c7a1f6c1e..59aad57e37 100644 --- a/gfx/harfbuzz/src/hb-ot-var-gvar-table.hh +++ b/gfx/harfbuzz/src/hb-ot-var-gvar-table.hh @@ -101,10 +101,15 @@ struct glyph_variations_t continue; } + bool is_composite_glyph = false; +#ifdef HB_EXPERIMENTAL_API + is_composite_glyph = plan->composite_new_gids.has (new_gid); +#endif if (!p->decompile_tuple_variations (all_contour_points->length, true /* is_gvar */, iterator, &(plan->axes_old_index_tag_map), shared_indices, shared_tuples, - tuple_vars /* OUT */)) + tuple_vars, /* OUT */ + is_composite_glyph)) return false; glyph_variations.push (std::move (tuple_vars)); } @@ -114,13 +119,17 @@ struct glyph_variations_t bool instantiate (const hb_subset_plan_t *plan) { unsigned count = plan->new_to_old_gid_list.length; + bool iup_optimize = false; +#ifdef HB_EXPERIMENTAL_API + iup_optimize = plan->flags & HB_SUBSET_FLAGS_OPTIMIZE_IUP_DELTAS; +#endif for (unsigned i = 0; i < count; i++) { hb_codepoint_t new_gid = plan->new_to_old_gid_list[i].first; contour_point_vector_t *all_points; if (!plan->new_gid_contour_points_map.has (new_gid, &all_points)) return false; - if (!glyph_variations[i].instantiate (plan->axes_location, plan->axes_triple_distances, all_points)) + if (!glyph_variations[i].instantiate (plan->axes_location, plan->axes_triple_distances, all_points, iup_optimize)) return false; } return true; @@ -340,7 +349,8 @@ struct gvar const glyph_variations_t& glyph_vars, Iterator it, unsigned axis_count, - unsigned num_glyphs) const + unsigned num_glyphs, + bool force_long_offsets) const { TRACE_SERIALIZE (this); gvar *out = c->allocate_min<gvar> (); @@ -352,7 +362,7 @@ struct gvar out->glyphCountX = hb_min (0xFFFFu, num_glyphs); unsigned glyph_var_data_size = glyph_vars.compiled_byte_size (); - bool long_offset = glyph_var_data_size & ~0xFFFFu; + bool long_offset = glyph_var_data_size & ~0xFFFFu || force_long_offsets; out->flags = long_offset ? 1 : 0; HBUINT8 *glyph_var_data_offsets = c->allocate_size<HBUINT8> ((long_offset ? 4 : 2) * (num_glyphs + 1), false); @@ -393,7 +403,12 @@ struct gvar unsigned axis_count = c->plan->axes_index_map.get_population (); unsigned num_glyphs = c->plan->num_output_glyphs (); auto it = hb_iter (c->plan->new_to_old_gid_list); - return_trace (serialize (c->serializer, glyph_vars, it, axis_count, num_glyphs)); + + bool force_long_offsets = false; +#ifdef HB_EXPERIMENTAL_API + force_long_offsets = c->plan->flags & HB_SUBSET_FLAGS_IFTB_REQUIREMENTS; +#endif + return_trace (serialize (c->serializer, glyph_vars, it, axis_count, num_glyphs, force_long_offsets)); } bool subset (hb_subset_context_t *c) const @@ -429,7 +444,7 @@ struct gvar } bool long_offset = (subset_data_size & ~0xFFFFu); - #ifdef HB_EXPERIMENTAL_API +#ifdef HB_EXPERIMENTAL_API long_offset = long_offset || (c->plan->flags & HB_SUBSET_FLAGS_IFTB_REQUIREMENTS); #endif out->flags = long_offset ? 1 : 0; |