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[instancer] add decompile_tuple_variations() for cvar table

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This commit is contained in:
Qunxin Liu 2023-06-05 13:52:05 -07:00
parent 2012df0755
commit bd9cdecd59
1 changed files with 19 additions and 0 deletions
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19
src/hb-ot-var-cvar-table.hh
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@ -51,6 +51,25 @@ struct cvar
const TupleVariationData* get_tuple_var_data (void) const
{ return &tupleVariationData; }
bool decompile_tuple_variations (unsigned axis_count,
unsigned point_count,
bool is_gvar,
TupleVariationData::tuple_variations_t& tuple_variations /* OUT */) const
{
hb_vector_t<unsigned> shared_indices;
TupleVariationData::tuple_iterator_t iterator;
unsigned var_data_length = tupleVariationData.get_size (axis_count);
hb_bytes_t var_data_bytes = hb_bytes_t (reinterpret_cast<const char*> (get_tuple_var_data ()), var_data_length);
if (!TupleVariationData::get_tuple_iterator (var_data_bytes, axis_count, this,
shared_indices, &iterator))
return true;
return tupleVariationData.decompile_tuple_variations (point_count, is_gvar, iterator,
shared_indices,
hb_array<const F2DOT14> (),
tuple_variations);
}
static bool calculate_cvt_deltas (unsigned axis_count,
hb_array_t<int> coords,
unsigned num_cvt_item,