| /* |
| * 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 ) |
| |
| |
| #define Script_Latin 1 |
| #define Script_CR 2 |
| #define Script_Numeric 3 |
| #define Script_Control 4 |
| #define Script_Punctuation 5 |
| #define Script_Arabic 6 |
| #define Script_Arabic_Numeric 7 |
| #define Script_Hebrew 8 |
| #define Script_Syriac 9 |
| #define Script_Persian 10 |
| #define Script_Thaana 11 |
| #define Script_Greek 12 |
| #define Script_Cyrillic 13 |
| #define Script_Armenian 14 |
| #define Script_Georgian 15 |
| /* Unicode Chapter 10 */ |
| #define Script_Sinhala 16 |
| #define Script_Tibetan 17 |
| #define Script_Tibetan_Numeric 18 |
| #define Script_Phags_pa 19 |
| /* Unicode Chapter 11 */ |
| #define Script_Thai 20 |
| #define Script_Thai_Numeric 21 |
| #define Script_Lao 22 |
| #define Script_Lao_Numeric 23 |
| /* Unicode Chapter 9 */ |
| #define Script_Devanagari 24 |
| #define Script_Devanagari_Numeric 25 |
| #define Script_Bengali 26 |
| #define Script_Bengali_Numeric 27 |
| #define Script_Bengali_Currency 28 |
| #define Script_Gurmukhi 29 |
| #define Script_Gurmukhi_Numeric 30 |
| #define Script_Gujarati 31 |
| #define Script_Gujarati_Numeric 32 |
| #define Script_Gujarati_Currency 33 |
| #define Script_Oriya 34 |
| #define Script_Oriya_Numeric 35 |
| #define Script_Tamil 36 |
| #define Script_Tamil_Numeric 37 |
| #define Script_Telugu 38 |
| #define Script_Telugu_Numeric 39 |
| #define Script_Kannada 40 |
| #define Script_Kannada_Numeric 41 |
| #define Script_Malayalam 42 |
| #define Script_Malayalam_Numeric 43 |
| /* More supplemental */ |
| #define Script_Diacritical 44 |
| #define Script_Punctuation2 45 |
| #define Script_Numeric2 46 |
| /* Unicode Chapter 11 continued */ |
| #define Script_Myanmar 47 |
| #define Script_Myanmar_Numeric 48 |
| #define Script_Tai_Le 49 |
| #define Script_New_Tai_Lue 50 |
| #define Script_New_Tai_Lue_Numeric 51 |
| #define Script_Khmer 52 |
| #define Script_Khmer_Numeric 53 |
| /* Unicode Chapter 12 */ |
| #define Script_CJK_Han 54 |
| #define Script_Ideograph 55 |
| #define Script_Bopomofo 56 |
| #define Script_Kana 57 |
| #define Script_Hangul 58 |
| #define Script_Yi 59 |
| /* Unicode Chapter 13 */ |
| #define Script_Ethiopic 60 |
| #define Script_Ethiopic_Numeric 61 |
| #define Script_Mongolian 62 |
| #define Script_Mongolian_Numeric 63 |
| #define Script_Tifinagh 64 |
| #define Script_NKo 65 |
| #define Script_Vai 66 |
| #define Script_Vai_Numeric 67 |
| #define Script_Cherokee 68 |
| #define Script_Canadian 69 |
| /* Unicode Chapter 14 */ |
| #define Script_Ogham 70 |
| #define Script_Runic 71 |
| /* Unicode Chapter 15 */ |
| #define Script_Braille 72 |
| /* Unicode Chapter 16 */ |
| #define Script_Surrogates 73 |
| #define Script_Private 74 |
| /* Unicode Chapter 13 : Plane 1 */ |
| #define Script_Deseret 75 |
| #define Script_Osmanya 76 |
| #define Script_Osmanya_Numeric 77 |
| /* Unicode Chapter 15 : Plane 1 */ |
| #define Script_MathAlpha 78 |
| /* Additional Currency Scripts */ |
| #define Script_Hebrew_Currency 79 |
| #define Script_Vietnamese_Currency 80 |
| #define Script_Thai_Currency 81 |
| |
| #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; |
| LPCVOID feature; |
| INT lookup_count; |
| WORD *lookups; |
| } LoadedFeature; |
| |
| typedef struct { |
| OPENTYPE_TAG tag; |
| LPCVOID gsub_table; |
| LPCVOID gpos_table; |
| BOOL features_initialized; |
| INT feature_count; |
| LoadedFeature *features; |
| } LoadedLanguage; |
| |
| typedef struct { |
| OPENTYPE_TAG tag; |
| LPCVOID gsub_table; |
| LPCVOID gpos_table; |
| LoadedLanguage default_language; |
| BOOL languages_initialized; |
| INT language_count; |
| LoadedLanguage *languages; |
| } 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]; |
| LPVOID GSUB_Table; |
| LPVOID GDEF_Table; |
| LPVOID CMAP_Table; |
| LPVOID CMAP_format12_Table; |
| LPVOID GPOS_Table; |
| BOOL scripts_initialized; |
| INT script_count; |
| LoadedScript *scripts; |
| |
| 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)(LPWSTR pwChar, IndicSyllable *syllable, lexical_function lex); |
| |
| #define odd(x) ((x) & 1) |
| #define BIDI_STRONG 1 |
| #define BIDI_WEAK 2 |
| #define BIDI_NEUTRAL 0 |
| |
| int USP10_FindGlyphInLogClust(const WORD* pwLogClust, int cChars, WORD target) DECLSPEC_HIDDEN; |
| |
| BOOL BIDI_DetermineLevels( LPCWSTR lpString, INT uCount, const SCRIPT_STATE *s, |
| const SCRIPT_CONTROL *c, WORD *lpOutLevels, WORD *lpOutOverrides ) DECLSPEC_HIDDEN; |
| BOOL BIDI_GetStrengths(LPCWSTR lpString, INT uCount, const SCRIPT_CONTROL *c, |
| WORD* lpStrength) 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, LPWSTR input, 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, LPCWSTR input, const 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(LPCVOID table, INT lookup_index, WORD *glyphs, INT glyph_index, INT write_dir, INT *glyph_count) DECLSPEC_HIDDEN; |
| INT OpenType_apply_GPOS_lookup(ScriptCache *psc, LPOUTLINETEXTMETRICW lpotm, LPLOGFONTW lplogfont, const SCRIPT_ANALYSIS *analysis, INT* piAdvance, INT lookup_index, const WORD *glyphs, INT glyph_index, INT glyph_count, GOFFSET *pGoffset) 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; |