summaryrefslogtreecommitdiff
path: root/Build/source/libs/harfbuzz/harfbuzz-src/src/hb-aat-layout-feat-table.hh
diff options
context:
space:
mode:
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.hh222
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 */