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[subset-cff] Move code around

This commit is contained in:
Behdad Esfahbod 2023-01-02 12:05:11 -07:00
parent 9afe5f973e
commit 27531d853e
1 changed files with 32 additions and 32 deletions
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64
src/hb-subset-cff-common.hh
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@ -361,6 +361,35 @@ struct parsed_cs_str_t : parsed_values_t<parsed_cs_op_t>
bool has_calls () const { return has_calls_; }
void compact ()
{
unsigned count = values.length;
if (unlikely (!count)) return;
auto &opstr = values.arrayZ;
unsigned j = 0;
for (unsigned i = 1; i < count; i++)
{
/* See if we can combine op j and op i. */
bool combine =
(opstr[j].op != OpCode_callsubr && opstr[j].op != OpCode_callgsubr) &&
(opstr[i].op != OpCode_callsubr && opstr[i].op != OpCode_callgsubr) &&
(opstr[j].is_hinting () == opstr[i].is_hinting ()) &&
(opstr[j].ptr + opstr[j].length == opstr[i].ptr) &&
(opstr[j].length + opstr[i].length <= 255);
if (combine)
{
opstr[j].length += opstr[i].length;
opstr[j].op = OpCode_Invalid;
}
else
{
opstr[++j] = opstr[i];
}
}
values.shrink (j + 1);
}
protected:
bool parsed : 1;
bool hint_dropped : 1;
@ -684,7 +713,7 @@ struct subr_subsetter_t
* faster.
*/
//if (plan->inprogress_accelerator)
compact_string (parsed_charstrings[i]);
parsed_charstrings[i].compact ();
}
/* Since parsed strings were loaded from accelerator, we still need
@ -1003,39 +1032,10 @@ struct subr_subsetter_t
void compact_parsed_subrs () const
{
for (auto &cs : parsed_global_subrs_storage)
compact_string (cs);
cs.compact ();
for (auto &vec : parsed_local_subrs_storage)
for (auto &cs : vec)
compact_string (cs);
}
static void compact_string (parsed_cs_str_t &str)
{
unsigned count = str.values.length;
if (unlikely (!count)) return;
auto &opstr = str.values.arrayZ;
unsigned j = 0;
for (unsigned i = 1; i < count; i++)
{
/* See if we can combine op j and op i. */
bool combine =
(opstr[j].op != OpCode_callsubr && opstr[j].op != OpCode_callgsubr) &&
(opstr[i].op != OpCode_callsubr && opstr[i].op != OpCode_callgsubr) &&
(opstr[j].is_hinting () == opstr[i].is_hinting ()) &&
(opstr[j].ptr + opstr[j].length == opstr[i].ptr) &&
(opstr[j].length + opstr[i].length <= 255);
if (combine)
{
opstr[j].length += opstr[i].length;
opstr[j].op = OpCode_Invalid;
}
else
{
opstr[++j] = opstr[i];
}
}
str.values.shrink (j + 1);
cs.compact ();
}
void populate_subset_accelerator () const