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diff --git a/Build/source/libs/harfbuzz/harfbuzz-src/src/hb-subset-cff2.cc b/Build/source/libs/harfbuzz/harfbuzz-src/src/hb-subset-cff2.cc
deleted file mode 100644
index 17ee040deb6..00000000000
--- a/Build/source/libs/harfbuzz/harfbuzz-src/src/hb-subset-cff2.cc
+++ /dev/null
@@ -1,488 +0,0 @@
-/*
- * Copyright © 2018 Adobe Inc.
- *
- * This is part of HarfBuzz, a text shaping library.
- *
- * Permission is hereby granted, without written agreement and without
- * license or royalty fees, to use, copy, modify, and distribute this
- * software and its documentation for any purpose, provided that the
- * above copyright notice and the following two paragraphs appear in
- * all copies of this software.
- *
- * IN NO EVENT SHALL THE COPYRIGHT HOLDER BE LIABLE TO ANY PARTY FOR
- * DIRECT, INDIRECT, SPECIAL, INCIDENTAL, OR CONSEQUENTIAL DAMAGES
- * ARISING OUT OF THE USE OF THIS SOFTWARE AND ITS DOCUMENTATION, EVEN
- * IF THE COPYRIGHT HOLDER HAS BEEN ADVISED OF THE POSSIBILITY OF SUCH
- * DAMAGE.
- *
- * THE COPYRIGHT HOLDER SPECIFICALLY DISCLAIMS ANY WARRANTIES, INCLUDING,
- * BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND
- * FITNESS FOR A PARTICULAR PURPOSE. THE SOFTWARE PROVIDED HEREUNDER IS
- * ON AN "AS IS" BASIS, AND THE COPYRIGHT HOLDER HAS NO OBLIGATION TO
- * PROVIDE MAINTENANCE, SUPPORT, UPDATES, ENHANCEMENTS, OR MODIFICATIONS.
- *
- * Adobe Author(s): Michiharu Ariza
- */
-
-#include "hb.hh"
-
-#ifndef HB_NO_SUBSET_CFF
-
-#include "hb-open-type.hh"
-#include "hb-ot-cff2-table.hh"
-#include "hb-set.h"
-#include "hb-subset-cff2.hh"
-#include "hb-subset-plan.hh"
-#include "hb-subset-cff-common.hh"
-#include "hb-cff2-interp-cs.hh"
-
-using namespace CFF;
-
-struct cff2_sub_table_info_t : cff_sub_table_info_t
-{
- cff2_sub_table_info_t ()
- : cff_sub_table_info_t (),
- var_store_link (0)
- {}
-
- objidx_t var_store_link;
-};
-
-struct cff2_top_dict_op_serializer_t : cff_top_dict_op_serializer_t<>
-{
- bool serialize (hb_serialize_context_t *c,
- const op_str_t &opstr,
- const cff2_sub_table_info_t &info) const
- {
- TRACE_SERIALIZE (this);
-
- switch (opstr.op)
- {
- case OpCode_vstore:
- return_trace (FontDict::serialize_link4_op(c, opstr.op, info.var_store_link));
-
- default:
- return_trace (cff_top_dict_op_serializer_t<>::serialize (c, opstr, info));
- }
- }
-};
-
-struct cff2_cs_opset_flatten_t : cff2_cs_opset_t<cff2_cs_opset_flatten_t, flatten_param_t>
-{
- static void flush_args_and_op (op_code_t op, cff2_cs_interp_env_t &env, flatten_param_t& param)
- {
- switch (op)
- {
- case OpCode_return:
- case OpCode_endchar:
- /* dummy opcodes in CFF2. ignore */
- break;
-
- case OpCode_hstem:
- case OpCode_hstemhm:
- case OpCode_vstem:
- case OpCode_vstemhm:
- case OpCode_hintmask:
- case OpCode_cntrmask:
- if (param.drop_hints)
- {
- env.clear_args ();
- return;
- }
- HB_FALLTHROUGH;
-
- default:
- SUPER::flush_args_and_op (op, env, param);
- break;
- }
- }
-
- static void flush_args (cff2_cs_interp_env_t &env, flatten_param_t& param)
- {
- for (unsigned int i = 0; i < env.argStack.get_count ();)
- {
- const blend_arg_t &arg = env.argStack[i];
- if (arg.blending ())
- {
- if (unlikely (!((arg.numValues > 0) && (env.argStack.get_count () >= arg.numValues))))
- {
- env.set_error ();
- return;
- }
- flatten_blends (arg, i, env, param);
- i += arg.numValues;
- }
- else
- {
- str_encoder_t encoder (param.flatStr);
- encoder.encode_num (arg);
- i++;
- }
- }
- SUPER::flush_args (env, param);
- }
-
- static void flatten_blends (const blend_arg_t &arg, unsigned int i, cff2_cs_interp_env_t &env, flatten_param_t& param)
- {
- /* flatten the default values */
- str_encoder_t encoder (param.flatStr);
- for (unsigned int j = 0; j < arg.numValues; j++)
- {
- const blend_arg_t &arg1 = env.argStack[i + j];
- if (unlikely (!((arg1.blending () && (arg.numValues == arg1.numValues) && (arg1.valueIndex == j) &&
- (arg1.deltas.length == env.get_region_count ())))))
- {
- env.set_error ();
- return;
- }
- encoder.encode_num (arg1);
- }
- /* flatten deltas for each value */
- for (unsigned int j = 0; j < arg.numValues; j++)
- {
- const blend_arg_t &arg1 = env.argStack[i + j];
- for (unsigned int k = 0; k < arg1.deltas.length; k++)
- encoder.encode_num (arg1.deltas[k]);
- }
- /* flatten the number of values followed by blend operator */
- encoder.encode_int (arg.numValues);
- encoder.encode_op (OpCode_blendcs);
- }
-
- static void flush_op (op_code_t op, cff2_cs_interp_env_t &env, flatten_param_t& param)
- {
- switch (op)
- {
- case OpCode_return:
- case OpCode_endchar:
- return;
- default:
- str_encoder_t encoder (param.flatStr);
- encoder.encode_op (op);
- }
- }
-
- private:
- typedef cff2_cs_opset_t<cff2_cs_opset_flatten_t, flatten_param_t> SUPER;
- typedef cs_opset_t<blend_arg_t, cff2_cs_opset_flatten_t, cff2_cs_opset_flatten_t, cff2_cs_interp_env_t, flatten_param_t> CSOPSET;
-};
-
-struct cff2_cs_opset_subr_subset_t : cff2_cs_opset_t<cff2_cs_opset_subr_subset_t, subr_subset_param_t>
-{
- static void process_op (op_code_t op, cff2_cs_interp_env_t &env, subr_subset_param_t& param)
- {
- switch (op) {
-
- case OpCode_return:
- param.current_parsed_str->set_parsed ();
- env.return_from_subr ();
- param.set_current_str (env, false);
- break;
-
- case OpCode_endchar:
- param.current_parsed_str->set_parsed ();
- SUPER::process_op (op, env, param);
- break;
-
- case OpCode_callsubr:
- process_call_subr (op, CSType_LocalSubr, env, param, env.localSubrs, param.local_closure);
- break;
-
- case OpCode_callgsubr:
- process_call_subr (op, CSType_GlobalSubr, env, param, env.globalSubrs, param.global_closure);
- break;
-
- default:
- SUPER::process_op (op, env, param);
- param.current_parsed_str->add_op (op, env.str_ref);
- break;
- }
- }
-
- protected:
- static void process_call_subr (op_code_t op, cs_type_t type,
- cff2_cs_interp_env_t &env, subr_subset_param_t& param,
- cff2_biased_subrs_t& subrs, hb_set_t *closure)
- {
- byte_str_ref_t str_ref = env.str_ref;
- env.call_subr (subrs, type);
- param.current_parsed_str->add_call_op (op, str_ref, env.context.subr_num);
- closure->add (env.context.subr_num);
- param.set_current_str (env, true);
- }
-
- private:
- typedef cff2_cs_opset_t<cff2_cs_opset_subr_subset_t, subr_subset_param_t> SUPER;
-};
-
-struct cff2_subr_subsetter_t : subr_subsetter_t<cff2_subr_subsetter_t, CFF2Subrs, const OT::cff2::accelerator_subset_t, cff2_cs_interp_env_t, cff2_cs_opset_subr_subset_t>
-{
- cff2_subr_subsetter_t (const OT::cff2::accelerator_subset_t &acc_, const hb_subset_plan_t *plan_)
- : subr_subsetter_t (acc_, plan_) {}
-
- static void complete_parsed_str (cff2_cs_interp_env_t &env, subr_subset_param_t& param, parsed_cs_str_t &charstring)
- {
- /* vsindex is inserted at the beginning of the charstring as necessary */
- if (env.seen_vsindex ())
- {
- number_t ivs;
- ivs.set_int ((int)env.get_ivs ());
- charstring.set_prefix (ivs, OpCode_vsindexcs);
- }
- }
-};
-
-struct cff2_subset_plan {
- cff2_subset_plan ()
- : orig_fdcount (0),
- subset_fdcount(1),
- subset_fdselect_size (0),
- subset_fdselect_format (0),
- drop_hints (false),
- desubroutinize (false)
- {
- subset_fdselect_ranges.init ();
- fdmap.init ();
- subset_charstrings.init ();
- subset_globalsubrs.init ();
- subset_localsubrs.init ();
- }
-
- ~cff2_subset_plan ()
- {
- subset_fdselect_ranges.fini ();
- fdmap.fini ();
- subset_charstrings.fini_deep ();
- subset_globalsubrs.fini_deep ();
- subset_localsubrs.fini_deep ();
- }
-
- bool create (const OT::cff2::accelerator_subset_t &acc,
- hb_subset_plan_t *plan)
- {
- orig_fdcount = acc.fdArray->count;
-
- drop_hints = plan->drop_hints;
- desubroutinize = plan->desubroutinize;
-
- if (desubroutinize)
- {
- /* Flatten global & local subrs */
- subr_flattener_t<const OT::cff2::accelerator_subset_t, cff2_cs_interp_env_t, cff2_cs_opset_flatten_t>
- flattener(acc, plan);
- if (!flattener.flatten (subset_charstrings))
- return false;
- }
- else
- {
- cff2_subr_subsetter_t subr_subsetter (acc, plan);
-
- /* Subset subrs: collect used subroutines, leaving all unused ones behind */
- if (!subr_subsetter.subset ())
- return false;
-
- /* encode charstrings, global subrs, local subrs with new subroutine numbers */
- if (!subr_subsetter.encode_charstrings (subset_charstrings))
- return false;
-
- if (!subr_subsetter.encode_globalsubrs (subset_globalsubrs))
- return false;
-
- /* local subrs */
- if (!subset_localsubrs.resize (orig_fdcount))
- return false;
- for (unsigned int fd = 0; fd < orig_fdcount; fd++)
- {
- subset_localsubrs[fd].init ();
- if (!subr_subsetter.encode_localsubrs (fd, subset_localsubrs[fd]))
- return false;
- }
- }
-
- /* FDSelect */
- if (acc.fdSelect != &Null (CFF2FDSelect))
- {
- if (unlikely (!hb_plan_subset_cff_fdselect (plan,
- orig_fdcount,
- *(const FDSelect *)acc.fdSelect,
- subset_fdcount,
- subset_fdselect_size,
- subset_fdselect_format,
- subset_fdselect_ranges,
- fdmap)))
- return false;
- }
- else
- fdmap.identity (1);
-
- return true;
- }
-
- cff2_sub_table_info_t info;
-
- unsigned int orig_fdcount;
- unsigned int subset_fdcount;
- unsigned int subset_fdselect_size;
- unsigned int subset_fdselect_format;
- hb_vector_t<code_pair_t> subset_fdselect_ranges;
-
- hb_inc_bimap_t fdmap;
-
- str_buff_vec_t subset_charstrings;
- str_buff_vec_t subset_globalsubrs;
- hb_vector_t<str_buff_vec_t> subset_localsubrs;
-
- bool drop_hints;
- bool desubroutinize;
-};
-
-static bool _serialize_cff2 (hb_serialize_context_t *c,
- cff2_subset_plan &plan,
- const OT::cff2::accelerator_subset_t &acc,
- unsigned int num_glyphs)
-{
- /* private dicts & local subrs */
- hb_vector_t<table_info_t> private_dict_infos;
- if (unlikely (!private_dict_infos.resize (plan.subset_fdcount))) return false;
-
- for (int i = (int)acc.privateDicts.length; --i >= 0 ;)
- {
- if (plan.fdmap.has (i))
- {
- objidx_t subrs_link = 0;
-
- if (plan.subset_localsubrs[i].length > 0)
- {
- CFF2Subrs *dest = c->start_embed <CFF2Subrs> ();
- if (unlikely (!dest)) return false;
- c->push ();
- if (likely (dest->serialize (c, plan.subset_localsubrs[i])))
- subrs_link = c->pop_pack ();
- else
- {
- c->pop_discard ();
- return false;
- }
- }
- PrivateDict *pd = c->start_embed<PrivateDict> ();
- if (unlikely (!pd)) return false;
- c->push ();
- cff_private_dict_op_serializer_t privSzr (plan.desubroutinize, plan.drop_hints);
- if (likely (pd->serialize (c, acc.privateDicts[i], privSzr, subrs_link)))
- {
- unsigned fd = plan.fdmap[i];
- private_dict_infos[fd].size = c->length ();
- private_dict_infos[fd].link = c->pop_pack ();
- }
- else
- {
- c->pop_discard ();
- return false;
- }
- }
- }
-
- /* CharStrings */
- {
- CFF2CharStrings *cs = c->start_embed<CFF2CharStrings> ();
- if (unlikely (!cs)) return false;
- c->push ();
- if (likely (cs->serialize (c, plan.subset_charstrings)))
- plan.info.char_strings_link = c->pop_pack ();
- else
- {
- c->pop_discard ();
- return false;
- }
- }
-
- /* FDSelect */
- if (acc.fdSelect != &Null (CFF2FDSelect))
- {
- c->push ();
- if (likely (hb_serialize_cff_fdselect (c, num_glyphs, *(const FDSelect *)acc.fdSelect, plan.orig_fdcount,
- plan.subset_fdselect_format, plan.subset_fdselect_size,
- plan.subset_fdselect_ranges)))
- plan.info.fd_select.link = c->pop_pack ();
- else
- {
- c->pop_discard ();
- return false;
- }
- }
-
- /* FDArray (FD Index) */
- {
- c->push ();
- CFF2FDArray *fda = c->start_embed<CFF2FDArray> ();
- if (unlikely (!fda)) return false;
- cff_font_dict_op_serializer_t fontSzr;
- auto it =
- + hb_zip (+ hb_iter (acc.fontDicts)
- | hb_filter ([&] (const cff2_font_dict_values_t &_)
- { return plan.fdmap.has (&_ - &acc.fontDicts[0]); }),
- hb_iter (private_dict_infos))
- ;
- if (unlikely (!fda->serialize (c, it, fontSzr))) return false;
- plan.info.fd_array_link = c->pop_pack ();
- }
-
- /* variation store */
- if (acc.varStore != &Null (CFF2VariationStore))
- {
- c->push ();
- CFF2VariationStore *dest = c->start_embed<CFF2VariationStore> ();
- if (unlikely (!dest || !dest->serialize (c, acc.varStore))) return false;
- plan.info.var_store_link = c->pop_pack ();
- }
-
- OT::cff2 *cff2 = c->allocate_min<OT::cff2> ();
- if (unlikely (!cff2)) return false;
-
- /* header */
- cff2->version.major = 0x02;
- cff2->version.minor = 0x00;
- cff2->topDict = OT::cff2::static_size;
-
- /* top dict */
- {
- TopDict &dict = cff2 + cff2->topDict;
- cff2_top_dict_op_serializer_t topSzr;
- if (unlikely (!dict.serialize (c, acc.topDict, topSzr, plan.info))) return false;
- cff2->topDictSize = c->head - (const char *)&dict;
- }
-
- /* global subrs */
- {
- CFF2Subrs *dest = c->start_embed <CFF2Subrs> ();
- if (unlikely (!dest)) return false;
- return dest->serialize (c, plan.subset_globalsubrs);
- }
-}
-
-static bool
-_hb_subset_cff2 (const OT::cff2::accelerator_subset_t &acc,
- hb_subset_context_t *c)
-{
- cff2_subset_plan cff2_plan;
-
- if (unlikely (!cff2_plan.create (acc, c->plan))) return false;
- return _serialize_cff2 (c->serializer, cff2_plan, acc, c->plan->num_output_glyphs ());
-}
-
-/**
- * hb_subset_cff2:
- * Subsets the CFF2 table according to a provided subset context.
- **/
-bool
-hb_subset_cff2 (hb_subset_context_t *c)
-{
- OT::cff2::accelerator_subset_t acc;
- acc.init (c->plan->source);
- bool result = likely (acc.is_valid ()) && _hb_subset_cff2 (acc, c);
- acc.fini ();
-
- return result;
-}
-
-#endif