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Diffstat (limited to 'Build/source/libs/harfbuzz/harfbuzz-src/src/hb-aat-layout-feat-table.hh')
-rw-r--r-- | Build/source/libs/harfbuzz/harfbuzz-src/src/hb-aat-layout-feat-table.hh | 222 |
1 files changed, 0 insertions, 222 deletions
diff --git a/Build/source/libs/harfbuzz/harfbuzz-src/src/hb-aat-layout-feat-table.hh b/Build/source/libs/harfbuzz/harfbuzz-src/src/hb-aat-layout-feat-table.hh deleted file mode 100644 index 359e859cfc6..00000000000 --- a/Build/source/libs/harfbuzz/harfbuzz-src/src/hb-aat-layout-feat-table.hh +++ /dev/null @@ -1,222 +0,0 @@ -/* - * Copyright © 2018 Ebrahim Byagowi - * - * 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. - */ - -#ifndef HB_AAT_LAYOUT_FEAT_TABLE_HH -#define HB_AAT_LAYOUT_FEAT_TABLE_HH - -#include "hb-aat-layout-common.hh" - -/* - * feat -- Feature Name - * https://developer.apple.com/fonts/TrueType-Reference-Manual/RM06/Chap6feat.html - */ -#define HB_AAT_TAG_feat HB_TAG('f','e','a','t') - - -namespace AAT { - - -struct SettingName -{ - friend struct FeatureName; - - int cmp (hb_aat_layout_feature_selector_t key) const - { return (int) key - (int) setting; } - - hb_aat_layout_feature_selector_t get_selector () const - { return (hb_aat_layout_feature_selector_t) (unsigned) setting; } - - hb_aat_layout_feature_selector_info_t get_info (hb_aat_layout_feature_selector_t default_selector) const - { - return { - nameIndex, - (hb_aat_layout_feature_selector_t) (unsigned int) setting, - default_selector == HB_AAT_LAYOUT_FEATURE_SELECTOR_INVALID - ? (hb_aat_layout_feature_selector_t) (setting + 1) - : default_selector, - 0 - }; - } - - bool sanitize (hb_sanitize_context_t *c) const - { - TRACE_SANITIZE (this); - return_trace (likely (c->check_struct (this))); - } - - protected: - HBUINT16 setting; /* The setting. */ - NameID nameIndex; /* The name table index for the setting's name. */ - public: - DEFINE_SIZE_STATIC (4); -}; -DECLARE_NULL_NAMESPACE_BYTES (AAT, SettingName); - -struct feat; - -struct FeatureName -{ - int cmp (hb_aat_layout_feature_type_t key) const - { return (int) key - (int) feature; } - - enum { - Exclusive = 0x8000, /* If set, the feature settings are mutually exclusive. */ - NotDefault = 0x4000, /* If clear, then the setting with an index of 0 in - * the setting name array for this feature should - * be taken as the default for the feature - * (if one is required). If set, then bits 0-15 of this - * featureFlags field contain the index of the setting - * which is to be taken as the default. */ - IndexMask = 0x00FF /* If bits 30 and 31 are set, then these sixteen bits - * indicate the index of the setting in the setting name - * array for this feature which should be taken - * as the default. */ - }; - - unsigned int get_selector_infos (unsigned int start_offset, - unsigned int *selectors_count, /* IN/OUT. May be NULL. */ - hb_aat_layout_feature_selector_info_t *selectors, /* OUT. May be NULL. */ - unsigned int *pdefault_index, /* OUT. May be NULL. */ - const void *base) const - { - hb_array_t< const SettingName> settings_table = (base+settingTableZ).as_array (nSettings); - - static_assert (Index::NOT_FOUND_INDEX == HB_AAT_LAYOUT_NO_SELECTOR_INDEX, ""); - - hb_aat_layout_feature_selector_t default_selector = HB_AAT_LAYOUT_FEATURE_SELECTOR_INVALID; - unsigned int default_index = Index::NOT_FOUND_INDEX; - if (featureFlags & Exclusive) - { - default_index = (featureFlags & NotDefault) ? featureFlags & IndexMask : 0; - default_selector = settings_table[default_index].get_selector (); - } - if (pdefault_index) - *pdefault_index = default_index; - - if (selectors_count) - { - + settings_table.sub_array (start_offset, selectors_count) - | hb_map ([=] (const SettingName& setting) { return setting.get_info (default_selector); }) - | hb_sink (hb_array (selectors, *selectors_count)) - ; - } - return settings_table.length; - } - - hb_aat_layout_feature_type_t get_feature_type () const - { return (hb_aat_layout_feature_type_t) (unsigned int) feature; } - - hb_ot_name_id_t get_feature_name_id () const { return nameIndex; } - - bool is_exclusive () const { return featureFlags & Exclusive; } - - /* A FeatureName with no settings is meaningless */ - bool has_data () const { return nSettings; } - - bool sanitize (hb_sanitize_context_t *c, const void *base) const - { - TRACE_SANITIZE (this); - return_trace (likely (c->check_struct (this) && - (base+settingTableZ).sanitize (c, nSettings))); - } - - protected: - HBUINT16 feature; /* Feature type. */ - HBUINT16 nSettings; /* The number of records in the setting name array. */ - LNNOffsetTo<UnsizedArrayOf<SettingName>> - settingTableZ; /* Offset in bytes from the beginning of this table to - * this feature's setting name array. The actual type of - * record this offset refers to will depend on the - * exclusivity value, as described below. */ - HBUINT16 featureFlags; /* Single-bit flags associated with the feature type. */ - HBINT16 nameIndex; /* The name table index for the feature's name. - * This index has values greater than 255 and - * less than 32768. */ - public: - DEFINE_SIZE_STATIC (12); -}; - -struct feat -{ - static constexpr hb_tag_t tableTag = HB_AAT_TAG_feat; - - bool has_data () const { return version.to_int (); } - - unsigned int get_feature_types (unsigned int start_offset, - unsigned int *count, - hb_aat_layout_feature_type_t *features) const - { - if (count) - { - + namesZ.as_array (featureNameCount).sub_array (start_offset, count) - | hb_map (&FeatureName::get_feature_type) - | hb_sink (hb_array (features, *count)) - ; - } - return featureNameCount; - } - - bool exposes_feature (hb_aat_layout_feature_type_t feature_type) const - { return get_feature (feature_type).has_data (); } - - const FeatureName& get_feature (hb_aat_layout_feature_type_t feature_type) const - { return namesZ.bsearch (featureNameCount, feature_type); } - - hb_ot_name_id_t get_feature_name_id (hb_aat_layout_feature_type_t feature) const - { return get_feature (feature).get_feature_name_id (); } - - unsigned int get_selector_infos (hb_aat_layout_feature_type_t feature_type, - unsigned int start_offset, - unsigned int *selectors_count, /* IN/OUT. May be NULL. */ - hb_aat_layout_feature_selector_info_t *selectors, /* OUT. May be NULL. */ - unsigned int *default_index /* OUT. May be NULL. */) const - { - return get_feature (feature_type).get_selector_infos (start_offset, selectors_count, selectors, - default_index, this); - } - - bool sanitize (hb_sanitize_context_t *c) const - { - TRACE_SANITIZE (this); - return_trace (likely (c->check_struct (this) && - version.major == 1 && - namesZ.sanitize (c, featureNameCount, this))); - } - - protected: - FixedVersion<>version; /* Version number of the feature name table - * (0x00010000 for the current version). */ - HBUINT16 featureNameCount; - /* The number of entries in the feature name array. */ - HBUINT16 reserved1; /* Reserved (set to zero). */ - HBUINT32 reserved2; /* Reserved (set to zero). */ - SortedUnsizedArrayOf<FeatureName> - namesZ; /* The feature name array. */ - public: - DEFINE_SIZE_ARRAY (12, namesZ); -}; - -} /* namespace AAT */ - -#endif /* HB_AAT_LAYOUT_FEAT_TABLE_HH */ |