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[subset] bug fix for CaretValueFormat3

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Don't return false in case of a Hinting Device table
This commit is contained in:
Qunxin Liu 2025-03-27 13:09:18 -07:00 • committed by Behdad Esfahbod
parent 7c90f446c2
commit 5ebe36e1ac
1 changed files with 10 additions and 11 deletions
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21
src/OT/Layout/GDEF/GDEF.hh
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@ -205,20 +205,19 @@ struct CaretValueFormat3
unsigned varidx = (this+deviceTable).get_variation_index ();
hb_pair_t<unsigned, int> *new_varidx_delta;
if (!c->plan->layout_variation_idx_delta_map.has (varidx, &new_varidx_delta))
return_trace (false);
if (c->plan->layout_variation_idx_delta_map.has (varidx, &new_varidx_delta)) {
uint32_t new_varidx = hb_first (*new_varidx_delta);
int delta = hb_second (*new_varidx_delta);
if (delta != 0)
{
if (!c->serializer->check_assign (out->coordinate, coordinate + delta, HB_SERIALIZE_ERROR_INT_OVERFLOW))
return_trace (false);
}
uint32_t new_varidx = hb_first (*new_varidx_delta);
int delta = hb_second (*new_varidx_delta);
if (delta != 0)
{
if (!c->serializer->check_assign (out->coordinate, coordinate + delta, HB_SERIALIZE_ERROR_INT_OVERFLOW))
return_trace (false);
if (new_varidx == HB_OT_LAYOUT_NO_VARIATIONS_INDEX)
return_trace (c->serializer->check_assign (out->caretValueFormat, 1, HB_SERIALIZE_ERROR_INT_OVERFLOW));
}
if (new_varidx == HB_OT_LAYOUT_NO_VARIATIONS_INDEX)
return_trace (c->serializer->check_assign (out->caretValueFormat, 1, HB_SERIALIZE_ERROR_INT_OVERFLOW));
if (!c->serializer->embed (deviceTable))
return_trace (false);