dlls/usp10/usp10_internal.h - wine - Git at Google

 /*
  * 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 GSUB_E_NOFEATURE -2
 #define GSUB_E_NOGLYPH -1

 #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[0x11];
     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;
	/*
	* 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 GSUB_E_NOFEATURE -2
	#define GSUB_E_NOGLYPH -1

	#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[0x11];
	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;