| /* |
| * 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 |
| * |
| */ |
| #define MS_MAKE_TAG( _x1, _x2, _x3, _x4 ) \ |
| ( ( (ULONG)_x4 << 24 ) | \ |
| ( (ULONG)_x3 << 16 ) | \ |
| ( (ULONG)_x2 << 8 ) | \ |
| (ULONG)_x1 ) |
| |
| #ifndef ARRAY_SIZE |
| #define ARRAY_SIZE(array) (sizeof(array) / sizeof((array)[0])) |
| #endif |
| |
| 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; |
| |
| typedef struct { |
| OPENTYPE_TAG tag; |
| const void *gsub_table; |
| const void *gpos_table; |
| BOOL features_initialized; |
| INT feature_count; |
| LoadedFeature *features; |
| } LoadedLanguage; |
| |
| typedef struct { |
| OPENTYPE_TAG tag; |
| const void *gsub_table; |
| const void *gpos_table; |
| 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 { |
| 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 void * __WINE_ALLOC_SIZE(1) heap_alloc(size_t size) |
| { |
| return HeapAlloc(GetProcessHeap(), 0, size); |
| } |
| |
| static inline void * __WINE_ALLOC_SIZE(1) heap_alloc_zero(size_t size) |
| { |
| return HeapAlloc(GetProcessHeap(), HEAP_ZERO_MEMORY, size); |
| } |
| |
| static inline BOOL heap_free(void *mem) |
| { |
| return HeapFree(GetProcessHeap(), 0, mem); |
| } |
| |
| 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; |