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Diffstat (limited to 'thirdparty/harfbuzz/src/hb-subset-cff-common.hh')
-rw-r--r--thirdparty/harfbuzz/src/hb-subset-cff-common.hh100
1 files changed, 52 insertions, 48 deletions
diff --git a/thirdparty/harfbuzz/src/hb-subset-cff-common.hh b/thirdparty/harfbuzz/src/hb-subset-cff-common.hh
index 18657705fa..ae155b4e3c 100644
--- a/thirdparty/harfbuzz/src/hb-subset-cff-common.hh
+++ b/thirdparty/harfbuzz/src/hb-subset-cff-common.hh
@@ -40,7 +40,7 @@ struct str_encoder_t
str_encoder_t (str_buff_t &buff_)
: buff (buff_), error (false) {}
- void reset () { buff.resize (0); }
+ void reset () { buff.reset (); }
void encode_byte (unsigned char b)
{
@@ -107,20 +107,18 @@ struct str_encoder_t
encode_byte (op);
}
- void copy_str (const byte_str_t &str)
+ void copy_str (const hb_ubytes_t &str)
{
unsigned int offset = buff.length;
- if (unlikely (!buff.resize (offset + str.length)))
+ /* Manually resize buffer since faster. */
+ if ((signed) (buff.length + str.length) <= buff.allocated)
+ buff.length += str.length;
+ else if (unlikely (!buff.resize (offset + str.length)))
{
set_error ();
return;
}
- if (unlikely (buff.length < offset + str.length))
- {
- set_error ();
- return;
- }
- memcpy (&buff[offset], &str[0], str.length);
+ memcpy (buff.arrayZ + offset, &str[0], str.length);
}
bool is_error () const { return error; }
@@ -253,12 +251,12 @@ struct subr_flattener_t
if (endchar_op != OpCode_Invalid) flat_charstrings[i].push (endchar_op);
continue;
}
- const byte_str_t str = (*acc.charStrings)[glyph];
+ const hb_ubytes_t str = (*acc.charStrings)[glyph];
unsigned int fd = acc.fdSelect->get_fd (glyph);
if (unlikely (fd >= acc.fdCount))
return false;
- cs_interpreter_t<ENV, OPSET, flatten_param_t> interp;
- interp.env.init (str, acc, fd);
+ ENV env (str, acc, fd);
+ cs_interpreter_t<ENV, OPSET, flatten_param_t> interp (env);
flatten_param_t param = {
flat_charstrings[i],
(bool) (plan->flags & HB_SUBSET_FLAGS_NO_HINTING)
@@ -317,9 +315,9 @@ struct parsed_cs_op_t : op_str_t
unsigned int subr_num;
protected:
- bool drop_flag : 1;
- bool keep_flag : 1;
- bool skip_flag : 1;
+ bool drop_flag;
+ bool keep_flag;
+ bool skip_flag;
};
struct parsed_cs_str_t : parsed_values_t<parsed_cs_op_t>
@@ -398,19 +396,19 @@ struct parsed_cs_str_vec_t : hb_vector_t<parsed_cs_str_t>
struct subr_subset_param_t
{
- void init (parsed_cs_str_t *parsed_charstring_,
- parsed_cs_str_vec_t *parsed_global_subrs_, parsed_cs_str_vec_t *parsed_local_subrs_,
- hb_set_t *global_closure_, hb_set_t *local_closure_,
- bool drop_hints_)
- {
- parsed_charstring = parsed_charstring_;
- current_parsed_str = parsed_charstring;
- parsed_global_subrs = parsed_global_subrs_;
- parsed_local_subrs = parsed_local_subrs_;
- global_closure = global_closure_;
- local_closure = local_closure_;
- drop_hints = drop_hints_;
- }
+ subr_subset_param_t (parsed_cs_str_t *parsed_charstring_,
+ parsed_cs_str_vec_t *parsed_global_subrs_,
+ parsed_cs_str_vec_t *parsed_local_subrs_,
+ hb_set_t *global_closure_,
+ hb_set_t *local_closure_,
+ bool drop_hints_) :
+ current_parsed_str (parsed_charstring_),
+ parsed_charstring (parsed_charstring_),
+ parsed_global_subrs (parsed_global_subrs_),
+ parsed_local_subrs (parsed_local_subrs_),
+ global_closure (global_closure_),
+ local_closure (local_closure_),
+ drop_hints (drop_hints_) {}
parsed_cs_str_t *get_parsed_str_for_context (call_context_t &context)
{
@@ -468,6 +466,7 @@ struct subr_remap_t : hb_inc_bimap_t
* no optimization based on usage counts. fonttools doesn't appear doing that either.
*/
+ resize (closure->get_population ());
hb_codepoint_t old_num = HB_SET_VALUE_INVALID;
while (hb_set_next (closure, &old_num))
add (old_num);
@@ -561,19 +560,21 @@ struct subr_subsetter_t
hb_codepoint_t glyph;
if (!plan->old_gid_for_new_gid (i, &glyph))
continue;
- const byte_str_t str = (*acc.charStrings)[glyph];
+ const hb_ubytes_t str = (*acc.charStrings)[glyph];
unsigned int fd = acc.fdSelect->get_fd (glyph);
if (unlikely (fd >= acc.fdCount))
return false;
- cs_interpreter_t<ENV, OPSET, subr_subset_param_t> interp;
- interp.env.init (str, acc, fd);
+ ENV env (str, acc, fd);
+ cs_interpreter_t<ENV, OPSET, subr_subset_param_t> interp (env);
- subr_subset_param_t param;
- param.init (&parsed_charstrings[i],
- &parsed_global_subrs, &parsed_local_subrs[fd],
- &closures.global_closure, &closures.local_closures[fd],
- plan->flags & HB_SUBSET_FLAGS_NO_HINTING);
+ parsed_charstrings[i].alloc (str.length);
+ subr_subset_param_t param (&parsed_charstrings[i],
+ &parsed_global_subrs,
+ &parsed_local_subrs[fd],
+ &closures.global_closure,
+ &closures.local_closures[fd],
+ plan->flags & HB_SUBSET_FLAGS_NO_HINTING);
if (unlikely (!interp.interpret (param)))
return false;
@@ -593,11 +594,12 @@ struct subr_subsetter_t
unsigned int fd = acc.fdSelect->get_fd (glyph);
if (unlikely (fd >= acc.fdCount))
return false;
- subr_subset_param_t param;
- param.init (&parsed_charstrings[i],
- &parsed_global_subrs, &parsed_local_subrs[fd],
- &closures.global_closure, &closures.local_closures[fd],
- plan->flags & HB_SUBSET_FLAGS_NO_HINTING);
+ subr_subset_param_t param (&parsed_charstrings[i],
+ &parsed_global_subrs,
+ &parsed_local_subrs[fd],
+ &closures.global_closure,
+ &closures.local_closures[fd],
+ plan->flags & HB_SUBSET_FLAGS_NO_HINTING);
drop_hints_param_t drop;
if (drop_hints_in_str (parsed_charstrings[i], param, drop))
@@ -618,11 +620,12 @@ struct subr_subsetter_t
unsigned int fd = acc.fdSelect->get_fd (glyph);
if (unlikely (fd >= acc.fdCount))
return false;
- subr_subset_param_t param;
- param.init (&parsed_charstrings[i],
- &parsed_global_subrs, &parsed_local_subrs[fd],
- &closures.global_closure, &closures.local_closures[fd],
- plan->flags & HB_SUBSET_FLAGS_NO_HINTING);
+ subr_subset_param_t param (&parsed_charstrings[i],
+ &parsed_global_subrs,
+ &parsed_local_subrs[fd],
+ &closures.global_closure,
+ &closures.local_closures[fd],
+ plan->flags & HB_SUBSET_FLAGS_NO_HINTING);
collect_subr_refs_in_str (parsed_charstrings[i], param);
}
}
@@ -849,9 +852,10 @@ struct subr_subsetter_t
bool encode_str (const parsed_cs_str_t &str, const unsigned int fd, str_buff_t &buff) const
{
- buff.init ();
+ unsigned count = str.get_count ();
str_encoder_t encoder (buff);
encoder.reset ();
+ buff.alloc (count * 3);
/* if a prefix (CFF1 width or CFF2 vsindex) has been removed along with hints,
* re-insert it at the beginning of charstreing */
if (str.has_prefix () && str.is_hint_dropped ())
@@ -860,7 +864,7 @@ struct subr_subsetter_t
if (str.prefix_op () != OpCode_Invalid)
encoder.encode_op (str.prefix_op ());
}
- for (unsigned int i = 0; i < str.get_count(); i++)
+ for (unsigned int i = 0; i < count; i++)
{
const parsed_cs_op_t &opstr = str.values[i];
if (!opstr.for_drop () && !opstr.for_skip ())
generated by cgit v1.2.3 (git 2.25.1) at 2024-12-18 06:53:07 +0000