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[instancer] bug fix in TupleVariationData get_size () 

We need to iterate TupleVariationHeader when calculating the total size
This commit is contained in:
Qunxin Liu 2023-03-22 19:06:58 -07:00 committed by Garret Rieger
parent be87200106
commit c1acfe9966
5 changed files with 6 additions and 2 deletions
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7
src/hb-ot-var-common.hh
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@ -360,9 +360,12 @@ struct TupleVariationData
{ {
unsigned total_size = min_size; unsigned total_size = min_size;
unsigned count = tupleVarCount; unsigned count = tupleVarCount;
const TupleVariationHeader& tuple_var_header = get_tuple_var_header(); const TupleVariationHeader *tuple_var_header = &(get_tuple_var_header());
for (unsigned i = 0; i < count; i++) for (unsigned i = 0; i < count; i++)
total_size += tuple_var_header.get_size (axis_count) + tuple_var_header.get_data_size (); {
total_size += tuple_var_header->get_size (axis_count) + tuple_var_header->get_data_size ();
tuple_var_header = &tuple_var_header->get_next (axis_count);
}
return total_size; return total_size;
} }

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test/subset/data/expected/apply_cvar_delta/Muli-ABC.default.retain-all-codepoint.wght=300.ttf Normal file
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test/subset/data/expected/apply_cvar_delta/Muli-ABC.default.retain-all-codepoint.wght=700.ttf Normal file
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test/subset/data/fonts/Muli-ABC.ttf Normal file
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1
test/subset/data/tests/apply_cvar_delta.tests
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@ -1,5 +1,6 @@
FONTS: FONTS:
Comfortaa-Regular-new.ttf Comfortaa-Regular-new.ttf
Muli-ABC.ttf
PROFILES: PROFILES:
default.txt default.txt