diff options
Diffstat (limited to 'src/3rdparty/harfbuzz-ng/src/hb-ot-var-gvar-table.hh')
| -rw-r--r-- | src/3rdparty/harfbuzz-ng/src/hb-ot-var-gvar-table.hh | 11 |
1 files changed, 9 insertions, 2 deletions
diff --git a/src/3rdparty/harfbuzz-ng/src/hb-ot-var-gvar-table.hh b/src/3rdparty/harfbuzz-ng/src/hb-ot-var-gvar-table.hh index 8ef9f0ec45..1c7a1f6c1e 100644 --- a/src/3rdparty/harfbuzz-ng/src/hb-ot-var-gvar-table.hh +++ b/src/3rdparty/harfbuzz-ng/src/hb-ot-var-gvar-table.hh @@ -296,7 +296,9 @@ struct gvar bool sanitize_shallow (hb_sanitize_context_t *c) const { TRACE_SANITIZE (this); - return_trace (c->check_struct (this) && (version.major == 1) && + return_trace (c->check_struct (this) && + hb_barrier () && + (version.major == 1) && sharedTuples.sanitize (c, this, axisCount * sharedTupleCount) && (is_long_offset () ? c->check_array (get_long_offset_array (), c->get_num_glyphs () + 1) : @@ -426,7 +428,10 @@ struct gvar subset_data_size += get_glyph_var_data_bytes (c->source_blob, glyph_count, old_gid).length; } - bool long_offset = subset_data_size & ~0xFFFFu; + bool long_offset = (subset_data_size & ~0xFFFFu); + #ifdef HB_EXPERIMENTAL_API + long_offset = long_offset || (c->plan->flags & HB_SUBSET_FLAGS_IFTB_REQUIREMENTS); +#endif out->flags = long_offset ? 1 : 0; HBUINT8 *subset_offsets = c->serializer->allocate_size<HBUINT8> ((long_offset ? 4 : 2) * (num_glyphs + 1), false); @@ -444,6 +449,8 @@ struct gvar hb_memcpy (tuples, this+sharedTuples, shared_tuple_size); } + /* This ordering relative to the shared tuples array, which puts the glyphVariationData + last in the table, is required when HB_SUBSET_FLAGS_IFTB_REQUIREMENTS is set */ char *subset_data = c->serializer->allocate_size<char> (subset_data_size, false); if (!subset_data) return_trace (false); out->dataZ = subset_data - (char *) out; |