diff options
Diffstat (limited to 'src/3rdparty/harfbuzz-ng/src/hb-ot-cmap-table.hh')
| -rw-r--r-- | src/3rdparty/harfbuzz-ng/src/hb-ot-cmap-table.hh | 111 |
1 files changed, 83 insertions, 28 deletions
diff --git a/src/3rdparty/harfbuzz-ng/src/hb-ot-cmap-table.hh b/src/3rdparty/harfbuzz-ng/src/hb-ot-cmap-table.hh index e2e2581855..64d2b13880 100644 --- a/src/3rdparty/harfbuzz-ng/src/hb-ot-cmap-table.hh +++ b/src/3rdparty/harfbuzz-ng/src/hb-ot-cmap-table.hh @@ -41,6 +41,30 @@ namespace OT { +static inline uint8_t unicode_to_macroman (hb_codepoint_t u) +{ + uint16_t mapping[] = { + 0x00C4, 0x00C5, 0x00C7, 0x00C9, 0x00D1, 0x00D6, 0x00DC, 0x00E1, + 0x00E0, 0x00E2, 0x00E4, 0x00E3, 0x00E5, 0x00E7, 0x00E9, 0x00E8, + 0x00EA, 0x00EB, 0x00ED, 0x00EC, 0x00EE, 0x00EF, 0x00F1, 0x00F3, + 0x00F2, 0x00F4, 0x00F6, 0x00F5, 0x00FA, 0x00F9, 0x00FB, 0x00FC, + 0x2020, 0x00B0, 0x00A2, 0x00A3, 0x00A7, 0x2022, 0x00B6, 0x00DF, + 0x00AE, 0x00A9, 0x2122, 0x00B4, 0x00A8, 0x2260, 0x00C6, 0x00D8, + 0x221E, 0x00B1, 0x2264, 0x2265, 0x00A5, 0x00B5, 0x2202, 0x2211, + 0x220F, 0x03C0, 0x222B, 0x00AA, 0x00BA, 0x03A9, 0x00E6, 0x00F8, + 0x00BF, 0x00A1, 0x00AC, 0x221A, 0x0192, 0x2248, 0x2206, 0x00AB, + 0x00BB, 0x2026, 0x00A0, 0x00C0, 0x00C3, 0x00D5, 0x0152, 0x0153, + 0x2013, 0x2014, 0x201C, 0x201D, 0x2018, 0x2019, 0x00F7, 0x25CA, + 0x00FF, 0x0178, 0x2044, 0x20AC, 0x2039, 0x203A, 0xFB01, 0xFB02, + 0x2021, 0x00B7, 0x201A, 0x201E, 0x2030, 0x00C2, 0x00CA, 0x00C1, + 0x00CB, 0x00C8, 0x00CD, 0x00CE, 0x00CF, 0x00CC, 0x00D3, 0x00D4, + 0xF8FF, 0x00D2, 0x00DA, 0x00DB, 0x00D9, 0x0131, 0x02C6, 0x02DC, + 0x00AF, 0x02D8, 0x02D9, 0x02DA, 0x00B8, 0x02DD, 0x02DB, 0x02C7 + }; + uint16_t *c = hb_bsearch (u, mapping, ARRAY_LENGTH (mapping), sizeof (mapping[0]), + _hb_cmp_operator<uint16_t, uint16_t>); + return c ? (c - mapping) + 0x7F : 0; +} struct CmapSubtableFormat0 { @@ -1465,8 +1489,11 @@ struct EncodingRecord int ret; ret = platformID.cmp (other.platformID); if (ret) return ret; - ret = encodingID.cmp (other.encodingID); - if (ret) return ret; + if (other.encodingID != 0xFFFF) + { + ret = encodingID.cmp (other.encodingID); + if (ret) return ret; + } return 0; } @@ -1814,9 +1841,13 @@ struct cmap c->plan)); } - const CmapSubtable *find_best_subtable (bool *symbol = nullptr) const + const CmapSubtable *find_best_subtable (bool *symbol = nullptr, + bool *mac = nullptr, + bool *macroman = nullptr) const { if (symbol) *symbol = false; + if (mac) *mac = false; + if (macroman) *macroman = false; const CmapSubtable *subtable; @@ -1841,6 +1872,20 @@ struct cmap if ((subtable = this->find_subtable (0, 1))) return subtable; if ((subtable = this->find_subtable (0, 0))) return subtable; + /* MacRoman subtable. */ + if ((subtable = this->find_subtable (1, 0))) + { + if (mac) *mac = true; + if (macroman) *macroman = true; + return subtable; + } + /* Any other Mac subtable; we just map ASCII for these. */ + if ((subtable = this->find_subtable (1, 0xFFFF))) + { + if (mac) *mac = true; + return subtable; + } + /* Meh. */ return &Null (CmapSubtable); } @@ -1852,8 +1897,8 @@ struct cmap accelerator_t (hb_face_t *face) { this->table = hb_sanitize_context_t ().reference_table<cmap> (face); - bool symbol; - this->subtable = table->find_best_subtable (&symbol); + bool symbol, mac, macroman; + this->subtable = table->find_best_subtable (&symbol, &mac, ¯oman); this->subtable_uvs = &Null (CmapSubtableFormat14); { const CmapSubtable *st = table->find_subtable (0, 5); @@ -1862,6 +1907,7 @@ struct cmap } this->get_glyph_data = subtable; +#ifndef HB_NO_CMAP_LEGACY_SUBTABLES if (unlikely (symbol)) { switch ((unsigned) face->table.OS2->get_font_page ()) { @@ -1881,7 +1927,16 @@ struct cmap break; } } + else if (unlikely (macroman)) + { + this->get_glyph_funcZ = get_glyph_from_macroman<CmapSubtable>; + } + else if (unlikely (mac)) + { + this->get_glyph_funcZ = get_glyph_from_ascii<CmapSubtable>; + } else +#endif { switch (subtable->u.format) { /* Accelerate format 4 and format 12. */ @@ -1924,7 +1979,7 @@ struct cmap hb_codepoint_t *glyph, cache_t *cache = nullptr) const { - if (unlikely (!this->get_glyph_funcZ)) return 0; + if (unlikely (!this->get_glyph_funcZ)) return false; return _cached_get (unicode, glyph, cache); } @@ -2006,6 +2061,28 @@ struct cmap return false; } + template <typename Type> + HB_INTERNAL static bool get_glyph_from_ascii (const void *obj, + hb_codepoint_t codepoint, + hb_codepoint_t *glyph) + { + const Type *typed_obj = (const Type *) obj; + return codepoint < 0x80 && typed_obj->get_glyph (codepoint, glyph); + } + + template <typename Type> + HB_INTERNAL static bool get_glyph_from_macroman (const void *obj, + hb_codepoint_t codepoint, + hb_codepoint_t *glyph) + { + if (get_glyph_from_ascii<Type> (obj, codepoint, glyph)) + return true; + + const Type *typed_obj = (const Type *) obj; + unsigned c = unicode_to_macroman (codepoint); + return c && typed_obj->get_glyph (c, glyph); + } + private: hb_nonnull_ptr_t<const CmapSubtable> subtable; hb_nonnull_ptr_t<const CmapSubtableFormat14> subtable_uvs; @@ -2035,28 +2112,6 @@ struct cmap return &(this+result.subtable); } - const EncodingRecord *find_encodingrec (unsigned int platform_id, - unsigned int encoding_id) const - { - EncodingRecord key; - key.platformID = platform_id; - key.encodingID = encoding_id; - - return encodingRecord.as_array ().bsearch (key); - } - - bool find_subtable (unsigned format) const - { - auto it = - + hb_iter (encodingRecord) - | hb_map (&EncodingRecord::subtable) - | hb_map (hb_add (this)) - | hb_filter ([&] (const CmapSubtable& _) { return _.u.format == format; }) - ; - - return it.len (); - } - public: bool sanitize (hb_sanitize_context_t *c) const |