/* * Copyright © 2007,2008,2009,2010 Red Hat, Inc. * Copyright © 2010,2012 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. * * Red Hat Author(s): Behdad Esfahbod * Google Author(s): Behdad Esfahbod */ #ifndef HB_OT_LAYOUT_GSUBGPOS_HH #define HB_OT_LAYOUT_GSUBGPOS_HH #include "hb.hh" #include "hb-buffer.hh" #include "hb-map.hh" #include "hb-set.hh" #include "hb-ot-map.hh" #include "hb-ot-layout-common.hh" #include "hb-ot-layout-gdef-table.hh" namespace OT { struct hb_intersects_context_t : hb_dispatch_context_t<hb_intersects_context_t, bool> { … }; struct hb_have_non_1to1_context_t : hb_dispatch_context_t<hb_have_non_1to1_context_t, bool> { … }; struct hb_closure_context_t : hb_dispatch_context_t<hb_closure_context_t> { … }; struct hb_closure_lookups_context_t : hb_dispatch_context_t<hb_closure_lookups_context_t> { … }; struct hb_would_apply_context_t : hb_dispatch_context_t<hb_would_apply_context_t, bool> { … }; struct hb_collect_glyphs_context_t : hb_dispatch_context_t<hb_collect_glyphs_context_t> { … }; template <typename set_t> struct hb_collect_coverage_context_t : hb_dispatch_context_t<hb_collect_coverage_context_t<set_t>, const Coverage &> { … }; struct hb_ot_apply_context_t : hb_dispatch_context_t<hb_ot_apply_context_t, bool, HB_DEBUG_APPLY> { … }; struct hb_accelerate_subtables_context_t : hb_dispatch_context_t<hb_accelerate_subtables_context_t> { … }; intersects_func_t; intersected_glyphs_func_t; collect_glyphs_func_t; match_func_t; struct ContextClosureFuncs { … }; struct ContextCollectGlyphsFuncs { … }; struct ContextApplyFuncs { … }; struct ChainContextApplyFuncs { … }; static inline bool intersects_glyph (const hb_set_t *glyphs, unsigned value, const void *data HB_UNUSED, void *cache HB_UNUSED) { … } static inline bool intersects_class (const hb_set_t *glyphs, unsigned value, const void *data, void *cache) { … } static inline bool intersects_coverage (const hb_set_t *glyphs, unsigned value, const void *data, void *cache HB_UNUSED) { … } static inline void intersected_glyph (const hb_set_t *glyphs HB_UNUSED, const void *data, unsigned value, hb_set_t *intersected_glyphs, HB_UNUSED void *cache) { … } intersected_class_cache_t; static inline void intersected_class_glyphs (const hb_set_t *glyphs, const void *data, unsigned value, hb_set_t *intersected_glyphs, void *cache) { … } static inline void intersected_coverage_glyphs (const hb_set_t *glyphs, const void *data, unsigned value, hb_set_t *intersected_glyphs, HB_UNUSED void *cache) { … } template <typename HBUINT> static inline bool array_is_subset_of (const hb_set_t *glyphs, unsigned int count, const HBUINT values[], intersects_func_t intersects_func, const void *intersects_data, void *cache) { … } static inline void collect_glyph (hb_set_t *glyphs, unsigned value, const void *data HB_UNUSED) { … } static inline void collect_class (hb_set_t *glyphs, unsigned value, const void *data) { … } static inline void collect_coverage (hb_set_t *glyphs, unsigned value, const void *data) { … } template <typename HBUINT> static inline void collect_array (hb_collect_glyphs_context_t *c HB_UNUSED, hb_set_t *glyphs, unsigned int count, const HBUINT values[], collect_glyphs_func_t collect_func, const void *collect_data) { … } static inline bool match_always (hb_glyph_info_t &info HB_UNUSED, unsigned value HB_UNUSED, const void *data HB_UNUSED) { … } static inline bool match_glyph (hb_glyph_info_t &info, unsigned value, const void *data HB_UNUSED) { … } static inline bool match_class (hb_glyph_info_t &info, unsigned value, const void *data) { … } static inline bool match_class_cached (hb_glyph_info_t &info, unsigned value, const void *data) { … } static inline bool match_class_cached1 (hb_glyph_info_t &info, unsigned value, const void *data) { … } static inline bool match_class_cached2 (hb_glyph_info_t &info, unsigned value, const void *data) { … } static inline bool match_coverage (hb_glyph_info_t &info, unsigned value, const void *data) { … } template <typename HBUINT> static inline bool would_match_input (hb_would_apply_context_t *c, unsigned int count, /* Including the first glyph (not matched) */ const HBUINT input[], /* Array of input values--start with second glyph */ match_func_t match_func, const void *match_data) { … } template <typename HBUINT> #ifndef HB_OPTIMIZE_SIZE HB_ALWAYS_INLINE #endif static bool match_input (hb_ot_apply_context_t *c, unsigned int count, /* Including the first glyph (not matched) */ const HBUINT input[], /* Array of input values--start with second glyph */ match_func_t match_func, const void *match_data, unsigned int *end_position, unsigned int *match_positions, unsigned int *p_total_component_count = nullptr) { … } static inline bool ligate_input (hb_ot_apply_context_t *c, unsigned int count, /* Including the first glyph */ const unsigned int *match_positions, /* Including the first glyph */ unsigned int match_end, hb_codepoint_t lig_glyph, unsigned int total_component_count) { … } template <typename HBUINT> #ifndef HB_OPTIMIZE_SIZE HB_ALWAYS_INLINE #endif static bool match_backtrack (hb_ot_apply_context_t *c, unsigned int count, const HBUINT backtrack[], match_func_t match_func, const void *match_data, unsigned int *match_start) { … } template <typename HBUINT> #ifndef HB_OPTIMIZE_SIZE HB_ALWAYS_INLINE #endif static bool match_lookahead (hb_ot_apply_context_t *c, unsigned int count, const HBUINT lookahead[], match_func_t match_func, const void *match_data, unsigned int start_index, unsigned int *end_index) { … } struct LookupRecord { … }; static unsigned serialize_lookuprecord_array (hb_serialize_context_t *c, const hb_array_t<const LookupRecord> lookupRecords, const hb_map_t *lookup_map) { … } enum ContextFormat { … }; template <typename HBUINT> static void context_closure_recurse_lookups (hb_closure_context_t *c, unsigned inputCount, const HBUINT input[], unsigned lookupCount, const LookupRecord lookupRecord[] /* Array of LookupRecords--in design order */, unsigned value, ContextFormat context_format, const void *data, intersected_glyphs_func_t intersected_glyphs_func, void *cache) { … } template <typename context_t> static inline void recurse_lookups (context_t *c, unsigned int lookupCount, const LookupRecord lookupRecord[] /* Array of LookupRecords--in design order */) { … } static inline void apply_lookup (hb_ot_apply_context_t *c, unsigned int count, /* Including the first glyph */ unsigned int *match_positions, /* Including the first glyph */ unsigned int lookupCount, const LookupRecord lookupRecord[], /* Array of LookupRecords--in design order */ unsigned int match_end) { … } /* Contextual lookups */ struct ContextClosureLookupContext { … }; struct ContextCollectGlyphsLookupContext { … }; struct ContextApplyLookupContext { … }; template <typename HBUINT> static inline bool context_intersects (const hb_set_t *glyphs, unsigned int inputCount, /* Including the first glyph (not matched) */ const HBUINT input[], /* Array of input values--start with second glyph */ ContextClosureLookupContext &lookup_context) { … } template <typename HBUINT> static inline void context_closure_lookup (hb_closure_context_t *c, unsigned int inputCount, /* Including the first glyph (not matched) */ const HBUINT input[], /* Array of input values--start with second glyph */ unsigned int lookupCount, const LookupRecord lookupRecord[], unsigned value, /* Index of first glyph in Coverage or Class value in ClassDef table */ ContextClosureLookupContext &lookup_context) { … } template <typename HBUINT> static inline void context_collect_glyphs_lookup (hb_collect_glyphs_context_t *c, unsigned int inputCount, /* Including the first glyph (not matched) */ const HBUINT input[], /* Array of input values--start with second glyph */ unsigned int lookupCount, const LookupRecord lookupRecord[], ContextCollectGlyphsLookupContext &lookup_context) { … } template <typename HBUINT> static inline bool context_would_apply_lookup (hb_would_apply_context_t *c, unsigned int inputCount, /* Including the first glyph (not matched) */ const HBUINT input[], /* Array of input values--start with second glyph */ unsigned int lookupCount HB_UNUSED, const LookupRecord lookupRecord[] HB_UNUSED, const ContextApplyLookupContext &lookup_context) { … } template <typename HBUINT> HB_ALWAYS_INLINE static bool context_apply_lookup (hb_ot_apply_context_t *c, unsigned int inputCount, /* Including the first glyph (not matched) */ const HBUINT input[], /* Array of input values--start with second glyph */ unsigned int lookupCount, const LookupRecord lookupRecord[], const ContextApplyLookupContext &lookup_context) { … } template <typename Types> struct Rule { … }; template <typename Types> struct RuleSet { … }; template <typename Types> struct ContextFormat1_4 { … }; template <typename Types> struct ContextFormat2_5 { … }; struct ContextFormat3 { … }; struct Context { … }; /* Chaining Contextual lookups */ struct ChainContextClosureLookupContext { … }; struct ChainContextCollectGlyphsLookupContext { … }; struct ChainContextApplyLookupContext { … }; template <typename HBUINT> static inline bool chain_context_intersects (const hb_set_t *glyphs, unsigned int backtrackCount, const HBUINT backtrack[], unsigned int inputCount, /* Including the first glyph (not matched) */ const HBUINT input[], /* Array of input values--start with second glyph */ unsigned int lookaheadCount, const HBUINT lookahead[], ChainContextClosureLookupContext &lookup_context) { … } template <typename HBUINT> static inline void chain_context_closure_lookup (hb_closure_context_t *c, unsigned int backtrackCount, const HBUINT backtrack[], unsigned int inputCount, /* Including the first glyph (not matched) */ const HBUINT input[], /* Array of input values--start with second glyph */ unsigned int lookaheadCount, const HBUINT lookahead[], unsigned int lookupCount, const LookupRecord lookupRecord[], unsigned value, ChainContextClosureLookupContext &lookup_context) { … } template <typename HBUINT> static inline void chain_context_collect_glyphs_lookup (hb_collect_glyphs_context_t *c, unsigned int backtrackCount, const HBUINT backtrack[], unsigned int inputCount, /* Including the first glyph (not matched) */ const HBUINT input[], /* Array of input values--start with second glyph */ unsigned int lookaheadCount, const HBUINT lookahead[], unsigned int lookupCount, const LookupRecord lookupRecord[], ChainContextCollectGlyphsLookupContext &lookup_context) { … } template <typename HBUINT> static inline bool chain_context_would_apply_lookup (hb_would_apply_context_t *c, unsigned int backtrackCount, const HBUINT backtrack[] HB_UNUSED, unsigned int inputCount, /* Including the first glyph (not matched) */ const HBUINT input[], /* Array of input values--start with second glyph */ unsigned int lookaheadCount, const HBUINT lookahead[] HB_UNUSED, unsigned int lookupCount HB_UNUSED, const LookupRecord lookupRecord[] HB_UNUSED, const ChainContextApplyLookupContext &lookup_context) { … } template <typename HBUINT> HB_ALWAYS_INLINE static bool chain_context_apply_lookup (hb_ot_apply_context_t *c, unsigned int backtrackCount, const HBUINT backtrack[], unsigned int inputCount, /* Including the first glyph (not matched) */ const HBUINT input[], /* Array of input values--start with second glyph */ unsigned int lookaheadCount, const HBUINT lookahead[], unsigned int lookupCount, const LookupRecord lookupRecord[], const ChainContextApplyLookupContext &lookup_context) { … } template <typename Types> struct ChainRule { … }; template <typename Types> struct ChainRuleSet { … }; template <typename Types> struct ChainContextFormat1_4 { … }; template <typename Types> struct ChainContextFormat2_5 { … }; struct ChainContextFormat3 { … }; struct ChainContext { … }; template <typename T> struct ExtensionFormat1 { … }; template <typename T> struct Extension { … }; /* * GSUB/GPOS Common */ struct hb_ot_layout_lookup_accelerator_t { … }; template <typename Types> struct GSUBGPOSVersion1_2 { … }; struct GSUBGPOS { … }; } /* namespace OT */ #endif /* HB_OT_LAYOUT_GSUBGPOS_HH */
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