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[subset-cff] Optimize vector allocation for preprocessed input

This commit is contained in:
Behdad Esfahbod 2022-12-01 19:43:48 -07:00
parent 8e9e94dba9
commit 062e59ae67
1 changed files with 6 additions and 1 deletions
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7
src/hb-subset-cff-common.hh
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@ -973,7 +973,6 @@ struct subr_subsetter_t
unsigned count = str.get_count ();
str_encoder_t encoder (buff);
encoder.reset ();
buff.alloc (count * 2);
bool hinting = !(plan->flags & HB_SUBSET_FLAGS_NO_HINTING);
/* if a prefix (CFF1 width or CFF2 vsindex) has been removed along with hints,
* re-insert it at the beginning of charstreing */
@ -984,6 +983,12 @@ struct subr_subsetter_t
encoder.encode_op (str.prefix_op ());
}
auto *arr = str.values.arrayZ;
unsigned size = 0;
for (unsigned int i = 0; i < count; i++)
size += arr[i].length;
buff.alloc (size);
for (unsigned int i = 0; i < count; i++)
{
const parsed_cs_op_t &opstr = arr[i];