/* * Implementation of Uniscribe Script Processor (usp10.dll) * * Copyright 2010 CodeWeavers, Aric Stewart * * This library is free software; you can redistribute it and/or * modify it under the terms of the GNU Lesser General Public * License as published by the Free Software Foundation; either * version 2.1 of the License, or (at your option) any later version. * * This library is distributed in the hope that it will be useful, * but WITHOUT ANY WARRANTY; without even the implied warranty of * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU * Lesser General Public License for more details. * * You should have received a copy of the GNU Lesser General Public * License along with this library; if not, write to the Free Software * Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301, USA * */ #include "wine/list.h" #define MS_MAKE_TAG( _x1, _x2, _x3, _x4 ) \ ( ( (ULONG)_x4 << 24 ) | \ ( (ULONG)_x3 << 16 ) | \ ( (ULONG)_x2 << 8 ) | \ (ULONG)_x1 ) enum usp10_script { Script_Undefined = 0x00, Script_Latin = 0x01, Script_CR = 0x02, Script_Numeric = 0x03, Script_Control = 0x04, Script_Punctuation = 0x05, Script_Arabic = 0x06, Script_Arabic_Numeric = 0x07, Script_Hebrew = 0x08, Script_Syriac = 0x09, Script_Persian = 0x0a, Script_Thaana = 0x0b, Script_Greek = 0x0c, Script_Cyrillic = 0x0d, Script_Armenian = 0x0e, Script_Georgian = 0x0f, /* Unicode Chapter 10 */ Script_Sinhala = 0x10, Script_Tibetan = 0x11, Script_Tibetan_Numeric = 0x12, Script_Phags_pa = 0x13, /* Unicode Chapter 11 */ Script_Thai = 0x14, Script_Thai_Numeric = 0x15, Script_Lao = 0x16, Script_Lao_Numeric = 0x17, /* Unicode Chapter 9 */ Script_Devanagari = 0x18, Script_Devanagari_Numeric = 0x19, Script_Bengali = 0x1a, Script_Bengali_Numeric = 0x1b, Script_Bengali_Currency = 0x1c, Script_Gurmukhi = 0x1d, Script_Gurmukhi_Numeric = 0x1e, Script_Gujarati = 0x1f, Script_Gujarati_Numeric = 0x20, Script_Gujarati_Currency = 0x21, Script_Oriya = 0x22, Script_Oriya_Numeric = 0x23, Script_Tamil = 0x24, Script_Tamil_Numeric = 0x25, Script_Telugu = 0x26, Script_Telugu_Numeric = 0x27, Script_Kannada = 0x28, Script_Kannada_Numeric = 0x29, Script_Malayalam = 0x2a, Script_Malayalam_Numeric = 0x2b, /* More supplemental */ Script_Diacritical = 0x2c, Script_Punctuation2 = 0x2d, Script_Numeric2 = 0x2e, /* Unicode Chapter 11 continued */ Script_Myanmar = 0x2f, Script_Myanmar_Numeric = 0x30, Script_Tai_Le = 0x31, Script_New_Tai_Lue = 0x32, Script_New_Tai_Lue_Numeric = 0x33, Script_Khmer = 0x34, Script_Khmer_Numeric = 0x35, /* Unicode Chapter 12 */ Script_CJK_Han = 0x36, Script_Ideograph = 0x37, Script_Bopomofo = 0x38, Script_Kana = 0x39, Script_Hangul = 0x3a, Script_Yi = 0x3b, /* Unicode Chapter 13 */ Script_Ethiopic = 0x3c, Script_Ethiopic_Numeric = 0x3d, Script_Mongolian = 0x3e, Script_Mongolian_Numeric = 0x3f, Script_Tifinagh = 0x40, Script_NKo = 0x41, Script_Vai = 0x42, Script_Vai_Numeric = 0x43, Script_Cherokee = 0x44, Script_Canadian = 0x45, /* Unicode Chapter 14 */ Script_Ogham = 0x46, Script_Runic = 0x47, /* Unicode Chapter 15 */ Script_Braille = 0x48, /* Unicode Chapter 16 */ Script_Surrogates = 0x49, Script_Private = 0x4a, /* Unicode Chapter 13 : Plane 1 */ Script_Deseret = 0x4b, Script_Osmanya = 0x4c, Script_Osmanya_Numeric = 0x4d, /* Unicode Chapter 15 : Plane 1 */ Script_MathAlpha = 0x4e, /* Additional Currency Scripts */ Script_Hebrew_Currency = 0x4f, Script_Vietnamese_Currency = 0x50, Script_Thai_Currency = 0x51, }; #define GLYPH_BLOCK_SHIFT 8 #define GLYPH_BLOCK_SIZE (1UL << GLYPH_BLOCK_SHIFT) #define GLYPH_BLOCK_MASK (GLYPH_BLOCK_SIZE - 1) #define GLYPH_MAX 65536 #define NUM_PAGES 17 #define GSUB_E_NOFEATURE -20 #define GSUB_E_NOGLYPH -10 #define FEATURE_ALL_TABLES 0 #define FEATURE_GSUB_TABLE 1 #define FEATURE_GPOS_TABLE 2 typedef struct { OPENTYPE_TAG tag; CHAR tableType; const void *feature; INT lookup_count; WORD *lookups; } LoadedFeature; enum usp10_language_table { USP10_LANGUAGE_TABLE_GSUB = 0, USP10_LANGUAGE_TABLE_GPOS, USP10_LANGUAGE_TABLE_COUNT }; typedef struct { OPENTYPE_TAG tag; const void *table[USP10_LANGUAGE_TABLE_COUNT]; BOOL features_initialized; LoadedFeature *features; SIZE_T features_size; SIZE_T feature_count; } LoadedLanguage; enum usp10_script_table { USP10_SCRIPT_TABLE_GSUB = 0, USP10_SCRIPT_TABLE_GPOS, USP10_SCRIPT_TABLE_COUNT }; typedef struct { OPENTYPE_TAG tag; const void *table[USP10_SCRIPT_TABLE_COUNT]; LoadedLanguage default_language; BOOL languages_initialized; LoadedLanguage *languages; SIZE_T languages_size; SIZE_T language_count; } LoadedScript; typedef struct { WORD *glyphs[GLYPH_MAX / GLYPH_BLOCK_SIZE]; } CacheGlyphPage; typedef struct { struct list entry; DWORD refcount; LOGFONTW lf; TEXTMETRICW tm; OUTLINETEXTMETRICW *otm; SCRIPT_FONTPROPERTIES sfp; BOOL sfnt; CacheGlyphPage *page[NUM_PAGES]; ABC *widths[GLYPH_MAX / GLYPH_BLOCK_SIZE]; void *GSUB_Table; void *GDEF_Table; void *CMAP_Table; void *CMAP_format12_Table; void *GPOS_Table; BOOL scripts_initialized; LoadedScript *scripts; SIZE_T scripts_size; SIZE_T script_count; OPENTYPE_TAG userScript; OPENTYPE_TAG userLang; } ScriptCache; typedef struct _scriptData { SCRIPT_ANALYSIS a; SCRIPT_PROPERTIES props; OPENTYPE_TAG scriptTag; WCHAR fallbackFont[LF_FACESIZE]; } scriptData; typedef struct { INT start; INT base; INT ralf; INT blwf; INT pref; INT end; } IndicSyllable; enum {lex_Halant, lex_Composed_Vowel, lex_Matra_post, lex_Matra_pre, lex_Matra_above, lex_Matra_below, lex_ZWJ, lex_ZWNJ, lex_NBSP, lex_Modifier, lex_Vowel, lex_Consonant, lex_Generic, lex_Ra, lex_Vedic, lex_Anudatta, lex_Nukta}; static inline BOOL is_consonant( int type ) { return (type == lex_Ra || type == lex_Consonant); } static inline unsigned short get_table_entry( const unsigned short *table, WCHAR ch ) { return table[table[table[ch >> 8] + ((ch >> 4) & 0x0f)] + (ch & 0xf)]; } typedef int (*lexical_function)(WCHAR c); typedef void (*reorder_function)(WCHAR *chars, IndicSyllable *syllable, lexical_function lex); #define odd(x) ((x) & 1) #define BIDI_STRONG 1 #define BIDI_WEAK 2 #define BIDI_NEUTRAL 0 BOOL usp10_array_reserve(void **elements, SIZE_T *capacity, SIZE_T count, SIZE_T size) DECLSPEC_HIDDEN; int USP10_FindGlyphInLogClust(const WORD* pwLogClust, int cChars, WORD target) DECLSPEC_HIDDEN; BOOL BIDI_DetermineLevels(const WCHAR *string, unsigned int count, const SCRIPT_STATE *s, const SCRIPT_CONTROL *c, WORD *levels, WORD *overrides) DECLSPEC_HIDDEN; BOOL BIDI_GetStrengths(const WCHAR *string, unsigned int count, const SCRIPT_CONTROL *c, WORD *strength) DECLSPEC_HIDDEN; INT BIDI_ReorderV2lLevel(int level, int *pIndexs, const BYTE* plevel, int cch, BOOL fReverse) DECLSPEC_HIDDEN; INT BIDI_ReorderL2vLevel(int level, int *pIndexs, const BYTE* plevel, int cch, BOOL fReverse) DECLSPEC_HIDDEN; void SHAPE_ContextualShaping(HDC hdc, ScriptCache *psc, SCRIPT_ANALYSIS *psa, WCHAR* pwcChars, INT cChars, WORD* pwOutGlyphs, INT* pcGlyphs, INT cMaxGlyphs, WORD *pwLogClust) DECLSPEC_HIDDEN; void SHAPE_ApplyDefaultOpentypeFeatures(HDC hdc, ScriptCache *psc, SCRIPT_ANALYSIS *psa, WORD* pwOutGlyphs, INT* pcGlyphs, INT cMaxGlyphs, INT cChars, WORD *pwLogClust) DECLSPEC_HIDDEN; void SHAPE_ApplyOpenTypePositions(HDC hdc, ScriptCache *psc, SCRIPT_ANALYSIS *psa, const WORD* pwGlyphs, INT cGlyphs, int *piAdvance, GOFFSET *pGoffset ) DECLSPEC_HIDDEN; HRESULT SHAPE_CheckFontForRequiredFeatures(HDC hdc, ScriptCache *psc, SCRIPT_ANALYSIS *psa) DECLSPEC_HIDDEN; void SHAPE_CharGlyphProp(HDC hdc, ScriptCache *psc, SCRIPT_ANALYSIS *psa, const WCHAR* pwcChars, const INT cChars, const WORD* pwGlyphs, const INT cGlyphs, WORD *pwLogClust, SCRIPT_CHARPROP *pCharProp, SCRIPT_GLYPHPROP *pGlyphProp) DECLSPEC_HIDDEN; INT SHAPE_does_GSUB_feature_apply_to_chars(HDC hdc, SCRIPT_ANALYSIS *psa, ScriptCache* psc, const WCHAR *chars, INT write_dir, INT count, const char* feature) DECLSPEC_HIDDEN; HRESULT SHAPE_GetFontScriptTags( HDC hdc, ScriptCache *psc, SCRIPT_ANALYSIS *psa, int cMaxTags, OPENTYPE_TAG *pScriptTags, int *pcTags) DECLSPEC_HIDDEN; HRESULT SHAPE_GetFontLanguageTags( HDC hdc, ScriptCache *psc, SCRIPT_ANALYSIS *psa, OPENTYPE_TAG tagScript, int cMaxTags, OPENTYPE_TAG *pLangSysTags, int *pcTags) DECLSPEC_HIDDEN; HRESULT SHAPE_GetFontFeatureTags( HDC hdc, ScriptCache *psc, SCRIPT_ANALYSIS *psa, OPENTYPE_TAG tagScript, OPENTYPE_TAG tagLangSys, int cMaxTags, OPENTYPE_TAG *pFeatureTags, int *pcTags) DECLSPEC_HIDDEN; void Indic_ReorderCharacters(HDC hdc, SCRIPT_ANALYSIS *psa, ScriptCache *psc, WCHAR *input, unsigned int cChars, IndicSyllable **syllables, int *syllable_count, lexical_function lexical_f, reorder_function reorder_f, BOOL modern) DECLSPEC_HIDDEN; void Indic_ParseSyllables(HDC hdc, SCRIPT_ANALYSIS *psa, ScriptCache* psc, const WCHAR *input, unsigned int cChar, IndicSyllable **syllables, int *syllable_count, lexical_function lex, BOOL modern) DECLSPEC_HIDDEN; void BREAK_line(const WCHAR *chars, int count, const SCRIPT_ANALYSIS *sa, SCRIPT_LOGATTR *la) DECLSPEC_HIDDEN; DWORD OpenType_CMAP_GetGlyphIndex(HDC hdc, ScriptCache *psc, DWORD utf32c, LPWORD pgi, DWORD flags) DECLSPEC_HIDDEN; void OpenType_GDEF_UpdateGlyphProps(ScriptCache *psc, const WORD *pwGlyphs, const WORD cGlyphs, WORD* pwLogClust, const WORD cChars, SCRIPT_GLYPHPROP *pGlyphProp) DECLSPEC_HIDDEN; int OpenType_apply_GSUB_lookup(const void *table, unsigned int lookup_index, WORD *glyphs, unsigned int glyph_index, int write_dir, int *glyph_count) DECLSPEC_HIDDEN; unsigned int OpenType_apply_GPOS_lookup(const ScriptCache *psc, const OUTLINETEXTMETRICW *otm, const LOGFONTW *logfont, const SCRIPT_ANALYSIS *analysis, int *advance, unsigned int lookup_index, const WORD *glyphs, unsigned int glyph_index, unsigned int glyph_count, GOFFSET *goffset) DECLSPEC_HIDDEN; HRESULT OpenType_GetFontScriptTags(ScriptCache *psc, OPENTYPE_TAG searchingFor, int cMaxTags, OPENTYPE_TAG *pScriptTags, int *pcTags) DECLSPEC_HIDDEN; HRESULT OpenType_GetFontLanguageTags(ScriptCache *psc, OPENTYPE_TAG script_tag, OPENTYPE_TAG searchingFor, int cMaxTags, OPENTYPE_TAG *pLanguageTags, int *pcTags) DECLSPEC_HIDDEN; HRESULT OpenType_GetFontFeatureTags(ScriptCache *psc, OPENTYPE_TAG script_tag, OPENTYPE_TAG language_tag, BOOL filtered, OPENTYPE_TAG searchingFor, char tableType, int cMaxTags, OPENTYPE_TAG *pFeatureTags, int *pcTags, LoadedFeature** feature) DECLSPEC_HIDDEN;