2018-08-31 22:25:19 +02:00
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/*
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2021-09-20 19:18:39 +02:00
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* Copyright © 2018 Google, Inc.
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2018-08-31 22:25:19 +02:00
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*
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* This is part of HarfBuzz, a text shaping library.
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*
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* Permission is hereby granted, without written agreement and without
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* license or royalty fees, to use, copy, modify, and distribute this
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* software and its documentation for any purpose, provided that the
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* above copyright notice and the following two paragraphs appear in
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* all copies of this software.
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*
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* IN NO EVENT SHALL THE COPYRIGHT HOLDER BE LIABLE TO ANY PARTY FOR
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* DIRECT, INDIRECT, SPECIAL, INCIDENTAL, OR CONSEQUENTIAL DAMAGES
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* ARISING OUT OF THE USE OF THIS SOFTWARE AND ITS DOCUMENTATION, EVEN
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* IF THE COPYRIGHT HOLDER HAS BEEN ADVISED OF THE POSSIBILITY OF SUCH
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* DAMAGE.
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*
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* THE COPYRIGHT HOLDER SPECIFICALLY DISCLAIMS ANY WARRANTIES, INCLUDING,
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* BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND
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* FITNESS FOR A PARTICULAR PURPOSE. THE SOFTWARE PROVIDED HEREUNDER IS
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* ON AN "AS IS" BASIS, AND THE COPYRIGHT HOLDER HAS NO OBLIGATION TO
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* PROVIDE MAINTENANCE, SUPPORT, UPDATES, ENHANCEMENTS, OR MODIFICATIONS.
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*
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* Google Author(s): Garret Rieger, Roderick Sheeter
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*/
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#ifndef HB_SUBSET_INPUT_HH
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#define HB_SUBSET_INPUT_HH
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#include "hb.hh"
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#include "hb-subset.h"
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2021-08-26 01:51:26 +02:00
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#include "hb-map.hh"
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#include "hb-set.hh"
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2023-01-12 20:37:48 +01:00
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#include "hb-cplusplus.hh"
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2018-08-31 22:25:19 +02:00
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#include "hb-font.hh"
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2022-11-10 19:33:26 +01:00
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struct hb_ot_name_record_ids_t
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{
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hb_ot_name_record_ids_t () = default;
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hb_ot_name_record_ids_t (unsigned platform_id_,
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unsigned encoding_id_,
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unsigned language_id_,
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unsigned name_id_)
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:platform_id (platform_id_),
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encoding_id (encoding_id_),
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language_id (language_id_),
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name_id (name_id_) {}
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bool operator != (const hb_ot_name_record_ids_t o) const
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{ return !(*this == o); }
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inline bool operator == (const hb_ot_name_record_ids_t& o) const
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{
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return platform_id == o.platform_id &&
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encoding_id == o.encoding_id &&
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language_id == o.language_id &&
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name_id == o.name_id;
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}
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inline uint32_t hash () const
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{
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uint32_t current = 0;
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current = current * 31 + hb_hash (platform_id);
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current = current * 31 + hb_hash (encoding_id);
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current = current * 31 + hb_hash (language_id);
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current = current * 31 + hb_hash (name_id);
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return current;
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}
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unsigned platform_id;
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unsigned encoding_id;
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unsigned language_id;
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unsigned name_id;
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};
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typedef struct hb_ot_name_record_ids_t hb_ot_name_record_ids_t;
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2021-07-30 00:25:41 +02:00
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HB_MARK_AS_FLAG_T (hb_subset_flags_t);
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2018-08-31 22:25:19 +02:00
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struct hb_subset_input_t
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{
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2023-01-12 20:44:16 +01:00
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hb_subset_input_t ()
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{
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for (auto& set : sets_iter ())
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set = hb::shared_ptr<hb_set_t> (hb_set_create ());
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if (in_error ())
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return;
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flags = HB_SUBSET_FLAGS_DEFAULT;
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hb_set_add_range (sets.name_ids, 0, 6);
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hb_set_add (sets.name_languages, 0x0409);
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hb_tag_t default_drop_tables[] = {
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// Layout disabled by default
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HB_TAG ('m', 'o', 'r', 'x'),
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HB_TAG ('m', 'o', 'r', 't'),
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HB_TAG ('k', 'e', 'r', 'x'),
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HB_TAG ('k', 'e', 'r', 'n'),
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// Copied from fontTools:
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HB_TAG ('B', 'A', 'S', 'E'),
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HB_TAG ('J', 'S', 'T', 'F'),
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HB_TAG ('D', 'S', 'I', 'G'),
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HB_TAG ('E', 'B', 'D', 'T'),
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HB_TAG ('E', 'B', 'L', 'C'),
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HB_TAG ('E', 'B', 'S', 'C'),
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HB_TAG ('S', 'V', 'G', ' '),
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HB_TAG ('P', 'C', 'L', 'T'),
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HB_TAG ('L', 'T', 'S', 'H'),
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// Graphite tables
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HB_TAG ('F', 'e', 'a', 't'),
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HB_TAG ('G', 'l', 'a', 't'),
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HB_TAG ('G', 'l', 'o', 'c'),
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HB_TAG ('S', 'i', 'l', 'f'),
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HB_TAG ('S', 'i', 'l', 'l'),
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};
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sets.drop_tables->add_array (default_drop_tables, ARRAY_LENGTH (default_drop_tables));
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hb_tag_t default_no_subset_tables[] = {
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HB_TAG ('a', 'v', 'a', 'r'),
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HB_TAG ('g', 'a', 's', 'p'),
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HB_TAG ('c', 'v', 't', ' '),
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HB_TAG ('f', 'p', 'g', 'm'),
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HB_TAG ('p', 'r', 'e', 'p'),
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HB_TAG ('V', 'D', 'M', 'X'),
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HB_TAG ('D', 'S', 'I', 'G'),
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HB_TAG ('M', 'V', 'A', 'R'),
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HB_TAG ('c', 'v', 'a', 'r'),
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};
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sets.no_subset_tables->add_array (default_no_subset_tables,
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ARRAY_LENGTH (default_no_subset_tables));
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//copied from _layout_features_groups in fonttools
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hb_tag_t default_layout_features[] = {
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// default shaper
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// common
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HB_TAG ('r', 'v', 'r', 'n'),
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HB_TAG ('c', 'c', 'm', 'p'),
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HB_TAG ('l', 'i', 'g', 'a'),
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HB_TAG ('l', 'o', 'c', 'l'),
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HB_TAG ('m', 'a', 'r', 'k'),
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HB_TAG ('m', 'k', 'm', 'k'),
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HB_TAG ('r', 'l', 'i', 'g'),
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//fractions
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HB_TAG ('f', 'r', 'a', 'c'),
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HB_TAG ('n', 'u', 'm', 'r'),
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HB_TAG ('d', 'n', 'o', 'm'),
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//horizontal
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HB_TAG ('c', 'a', 'l', 't'),
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HB_TAG ('c', 'l', 'i', 'g'),
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HB_TAG ('c', 'u', 'r', 's'),
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HB_TAG ('k', 'e', 'r', 'n'),
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HB_TAG ('r', 'c', 'l', 't'),
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//vertical
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HB_TAG ('v', 'a', 'l', 't'),
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HB_TAG ('v', 'e', 'r', 't'),
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HB_TAG ('v', 'k', 'r', 'n'),
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HB_TAG ('v', 'p', 'a', 'l'),
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HB_TAG ('v', 'r', 't', '2'),
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//ltr
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HB_TAG ('l', 't', 'r', 'a'),
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HB_TAG ('l', 't', 'r', 'm'),
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//rtl
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HB_TAG ('r', 't', 'l', 'a'),
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HB_TAG ('r', 't', 'l', 'm'),
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//random
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HB_TAG ('r', 'a', 'n', 'd'),
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//justify
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HB_TAG ('j', 'a', 'l', 't'), // HarfBuzz doesn't use; others might
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//private
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HB_TAG ('H', 'a', 'r', 'f'),
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HB_TAG ('H', 'A', 'R', 'F'),
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HB_TAG ('B', 'u', 'z', 'z'),
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HB_TAG ('B', 'U', 'Z', 'Z'),
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//shapers
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//arabic
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HB_TAG ('i', 'n', 'i', 't'),
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HB_TAG ('m', 'e', 'd', 'i'),
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HB_TAG ('f', 'i', 'n', 'a'),
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HB_TAG ('i', 's', 'o', 'l'),
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HB_TAG ('m', 'e', 'd', '2'),
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HB_TAG ('f', 'i', 'n', '2'),
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HB_TAG ('f', 'i', 'n', '3'),
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HB_TAG ('c', 's', 'w', 'h'),
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HB_TAG ('m', 's', 'e', 't'),
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HB_TAG ('s', 't', 'c', 'h'),
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//hangul
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HB_TAG ('l', 'j', 'm', 'o'),
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HB_TAG ('v', 'j', 'm', 'o'),
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HB_TAG ('t', 'j', 'm', 'o'),
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//tibetan
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HB_TAG ('a', 'b', 'v', 's'),
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HB_TAG ('b', 'l', 'w', 's'),
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HB_TAG ('a', 'b', 'v', 'm'),
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HB_TAG ('b', 'l', 'w', 'm'),
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//indic
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HB_TAG ('n', 'u', 'k', 't'),
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HB_TAG ('a', 'k', 'h', 'n'),
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HB_TAG ('r', 'p', 'h', 'f'),
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HB_TAG ('r', 'k', 'r', 'f'),
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HB_TAG ('p', 'r', 'e', 'f'),
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HB_TAG ('b', 'l', 'w', 'f'),
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HB_TAG ('h', 'a', 'l', 'f'),
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HB_TAG ('a', 'b', 'v', 'f'),
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HB_TAG ('p', 's', 't', 'f'),
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HB_TAG ('c', 'f', 'a', 'r'),
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HB_TAG ('v', 'a', 't', 'u'),
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HB_TAG ('c', 'j', 'c', 't'),
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HB_TAG ('i', 'n', 'i', 't'),
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HB_TAG ('p', 'r', 'e', 's'),
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HB_TAG ('a', 'b', 'v', 's'),
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HB_TAG ('b', 'l', 'w', 's'),
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HB_TAG ('p', 's', 't', 's'),
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HB_TAG ('h', 'a', 'l', 'n'),
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HB_TAG ('d', 'i', 's', 't'),
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HB_TAG ('a', 'b', 'v', 'm'),
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HB_TAG ('b', 'l', 'w', 'm'),
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};
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sets.layout_features->add_array (default_layout_features, ARRAY_LENGTH (default_layout_features));
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sets.layout_scripts->invert (); // Default to all scripts.
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}
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2023-01-12 20:37:48 +01:00
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2023-01-12 20:09:14 +01:00
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~hb_subset_input_t ()
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{
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#ifdef HB_EXPERIMENTAL_API
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for (auto _ : name_table_overrides)
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_.second.fini ();
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#endif
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}
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2018-08-31 22:25:19 +02:00
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hb_object_header_t header;
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2021-09-18 20:59:38 +02:00
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struct sets_t {
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2023-01-12 20:37:48 +01:00
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hb::shared_ptr<hb_set_t> glyphs;
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hb::shared_ptr<hb_set_t> unicodes;
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hb::shared_ptr<hb_set_t> no_subset_tables;
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hb::shared_ptr<hb_set_t> drop_tables;
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hb::shared_ptr<hb_set_t> name_ids;
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hb::shared_ptr<hb_set_t> name_languages;
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hb::shared_ptr<hb_set_t> layout_features;
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hb::shared_ptr<hb_set_t> layout_scripts;
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2021-09-18 20:59:38 +02:00
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};
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2021-08-27 17:20:58 +02:00
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union {
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2021-09-18 20:59:38 +02:00
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sets_t sets;
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2023-01-12 20:37:48 +01:00
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hb::shared_ptr<hb_set_t> set_ptrs[sizeof (sets_t) / sizeof (hb_set_t*)];
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2021-08-27 17:20:58 +02:00
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};
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2018-08-31 22:25:19 +02:00
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2021-07-30 00:25:41 +02:00
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unsigned flags;
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2022-10-14 01:42:00 +02:00
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bool attach_accelerator_data = false;
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2022-11-23 19:41:23 +01:00
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// If set loca format will always be the long version.
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bool force_long_loca = false;
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2023-01-11 21:21:57 +01:00
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hb_hashmap_t<hb_tag_t, float> axes_location;
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2022-11-15 00:06:39 +01:00
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#ifdef HB_EXPERIMENTAL_API
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2023-01-11 21:23:34 +01:00
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hb_hashmap_t<hb_ot_name_record_ids_t, hb_bytes_t> name_table_overrides;
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2022-11-15 00:06:39 +01:00
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#endif
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2021-06-10 02:46:47 +02:00
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2021-08-27 17:20:58 +02:00
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inline unsigned num_sets () const
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{
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2021-08-27 19:59:28 +02:00
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return sizeof (set_ptrs) / sizeof (hb_set_t*);
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2021-08-27 17:20:58 +02:00
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}
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2023-01-12 20:37:48 +01:00
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inline hb_array_t<hb::shared_ptr<hb_set_t>> sets_iter ()
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2021-08-27 17:20:58 +02:00
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{
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2023-01-12 20:37:48 +01:00
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return hb_array (set_ptrs);
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2021-08-27 17:20:58 +02:00
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}
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2021-08-26 01:51:26 +02:00
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bool in_error () const
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{
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2021-08-27 17:20:58 +02:00
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for (unsigned i = 0; i < num_sets (); i++)
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2021-08-26 01:51:26 +02:00
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{
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2021-08-27 17:20:58 +02:00
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if (unlikely (set_ptrs[i]->in_error ()))
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2021-08-26 01:51:26 +02:00
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return true;
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}
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2022-06-22 04:29:52 +02:00
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2023-01-11 21:21:57 +01:00
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return axes_location.in_error ()
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2022-11-15 00:06:39 +01:00
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#ifdef HB_EXPERIMENTAL_API
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2023-01-11 21:23:34 +01:00
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|| name_table_overrides.in_error ()
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2022-11-15 00:06:39 +01:00
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#endif
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;
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2021-08-26 01:51:26 +02:00
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}
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2018-08-31 22:25:19 +02:00
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};
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#endif /* HB_SUBSET_INPUT_HH */
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