kc3-lang/harfbuzz/src/hb-subset-input.hh

Branch - branch -main

• Show log

  Commit

• Hash : 22cca43d
  Author :
  Date : 2023-04-20T14:37:29
  

  [instancer ]update internal hashmap to use Triple instead of single value
  
  -Added hb-subset-instancer-solver.hh file and moved Triple struct to the
  head file
  

Download

• src/hb-subset-input.hh

• /*
   * Copyright © 2018  Google, 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.
   *
   * Google Author(s): Garret Rieger, Roderick Sheeter
   */
  
  #ifndef HB_SUBSET_INPUT_HH
  #define HB_SUBSET_INPUT_HH
  
  
  #include "hb.hh"
  
  #include "hb-subset.h"
  #include "hb-map.hh"
  #include "hb-set.hh"
  #include "hb-cplusplus.hh"
  #include "hb-font.hh"
  #include "hb-subset-instancer-solver.hh"
  
  struct hb_ot_name_record_ids_t
  {
    hb_ot_name_record_ids_t () = default;
    hb_ot_name_record_ids_t (unsigned platform_id_,
                             unsigned encoding_id_,
                             unsigned language_id_,
                             unsigned name_id_)
        :platform_id (platform_id_),
        encoding_id (encoding_id_),
        language_id (language_id_),
        name_id (name_id_) {}
  
    bool operator != (const hb_ot_name_record_ids_t o) const
    { return !(*this == o); }
  
    inline bool operator == (const hb_ot_name_record_ids_t& o) const
    {
      return platform_id == o.platform_id &&
             encoding_id == o.encoding_id &&
             language_id == o.language_id &&
             name_id == o.name_id;
    }
  
    inline uint32_t hash () const
    {
      uint32_t current = 0;
      current = current * 31 + hb_hash (platform_id);
      current = current * 31 + hb_hash (encoding_id);
      current = current * 31 + hb_hash (language_id);
      current = current * 31 + hb_hash (name_id);
      return current;
    }
  
    unsigned platform_id;
    unsigned encoding_id;
    unsigned language_id;
    unsigned name_id;
  };
  
  typedef struct hb_ot_name_record_ids_t hb_ot_name_record_ids_t;
  
  
  HB_MARK_AS_FLAG_T (hb_subset_flags_t);
  
  struct hb_subset_input_t
  {
    HB_INTERNAL hb_subset_input_t ();
  
    ~hb_subset_input_t ()
    {
      sets.~sets_t ();
  
  #ifdef HB_EXPERIMENTAL_API
      for (auto _ : name_table_overrides.values ())
        _.fini ();
  #endif
    }
  
    hb_object_header_t header;
  
    struct sets_t {
      hb::shared_ptr<hb_set_t> glyphs;
      hb::shared_ptr<hb_set_t> unicodes;
      hb::shared_ptr<hb_set_t> no_subset_tables;
      hb::shared_ptr<hb_set_t> drop_tables;
      hb::shared_ptr<hb_set_t> name_ids;
      hb::shared_ptr<hb_set_t> name_languages;
      hb::shared_ptr<hb_set_t> layout_features;
      hb::shared_ptr<hb_set_t> layout_scripts;
    };
  
    union {
      sets_t sets;
      hb::shared_ptr<hb_set_t> set_ptrs[sizeof (sets_t) / sizeof (hb_set_t*)];
    };
  
    unsigned flags;
    bool attach_accelerator_data = false;
  
    // If set loca format will always be the long version.
    bool force_long_loca = false;
  
    hb_hashmap_t<hb_tag_t, Triple> axes_location;
    hb_map_t glyph_map;
  #ifdef HB_EXPERIMENTAL_API
    hb_hashmap_t<hb_ot_name_record_ids_t, hb_bytes_t> name_table_overrides;
  #endif
  
    inline unsigned num_sets () const
    {
      return sizeof (set_ptrs) / sizeof (hb_set_t*);
    }
  
    inline hb_array_t<hb::shared_ptr<hb_set_t>> sets_iter ()
    {
      return hb_array (set_ptrs);
    }
  
    bool in_error () const
    {
      for (unsigned i = 0; i < num_sets (); i++)
      {
        if (unlikely (set_ptrs[i]->in_error ()))
          return true;
      }
  
      return axes_location.in_error ()
  #ifdef HB_EXPERIMENTAL_API
  	|| name_table_overrides.in_error ()
  #endif
  	;
    }
  };
  
  
  #endif /* HB_SUBSET_INPUT_HH */
  

Download