2 * Implementation of Shaping for the Uniscribe Script Processor (usp10.dll)
4 * Copyright 2010 CodeWeavers, Aric Stewart
6 * This library is free software; you can redistribute it and/or
7 * modify it under the terms of the GNU Lesser General Public
8 * License as published by the Free Software Foundation; either
9 * version 2.1 of the License, or (at your option) any later version.
11 * This library is distributed in the hope that it will be useful,
12 * but WITHOUT ANY WARRANTY; without even the implied warranty of
13 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
14 * Lesser General Public License for more details.
16 * You should have received a copy of the GNU Lesser General Public
17 * License along with this library; if not, write to the Free Software
18 * Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301, USA
31 #include "usp10_internal.h"
33 #include "wine/debug.h"
35 WINE_DEFAULT_DEBUG_CHANNEL(uniscribe
);
37 #define FIRST_ARABIC_CHAR 0x0600
38 #define LAST_ARABIC_CHAR 0x06ff
40 typedef VOID (*ContextualShapingProc
)(HDC
, ScriptCache
*, SCRIPT_ANALYSIS
*,
41 WCHAR
*, INT
, WORD
*, INT
*, INT
, WORD
*);
43 static void ContextualShape_Arabic(HDC hdc
, ScriptCache
*psc
, SCRIPT_ANALYSIS
*psa
, WCHAR
* pwcChars
, INT cChars
, WORD
* pwOutGlyphs
, INT
* pcGlyphs
, INT cMaxGlyphs
, WORD
*pwLogClust
);
44 static void ContextualShape_Syriac(HDC hdc
, ScriptCache
*psc
, SCRIPT_ANALYSIS
*psa
, WCHAR
* pwcChars
, INT cChars
, WORD
* pwOutGlyphs
, INT
* pcGlyphs
, INT cMaxGlyphs
, WORD
*pwLogClust
);
45 static void ContextualShape_Phags_pa(HDC hdc
, ScriptCache
*psc
, SCRIPT_ANALYSIS
*psa
, WCHAR
* pwcChars
, INT cChars
, WORD
* pwOutGlyphs
, INT
* pcGlyphs
, INT cMaxGlyphs
, WORD
*pwLogClust
);
46 static void ContextualShape_Sinhala(HDC hdc
, ScriptCache
*psc
, SCRIPT_ANALYSIS
*psa
, WCHAR
* pwcChars
, INT cChars
, WORD
* pwOutGlyphs
, INT
* pcGlyphs
, INT cMaxGlyphs
, WORD
*pwLogClust
);
47 static void ContextualShape_Devanagari(HDC hdc
, ScriptCache
*psc
, SCRIPT_ANALYSIS
*psa
, WCHAR
* pwcChars
, INT cChars
, WORD
* pwOutGlyphs
, INT
* pcGlyphs
, INT cMaxGlyphs
, WORD
*pwLogClust
);
48 static void ContextualShape_Bengali(HDC hdc
, ScriptCache
*psc
, SCRIPT_ANALYSIS
*psa
, WCHAR
* pwcChars
, INT cChars
, WORD
* pwOutGlyphs
, INT
* pcGlyphs
, INT cMaxGlyphs
, WORD
*pwLogClust
);
49 static void ContextualShape_Gurmukhi(HDC hdc
, ScriptCache
*psc
, SCRIPT_ANALYSIS
*psa
, WCHAR
* pwcChars
, INT cChars
, WORD
* pwOutGlyphs
, INT
* pcGlyphs
, INT cMaxGlyphs
, WORD
*pwLogClust
);
50 static void ContextualShape_Gujarati(HDC hdc
, ScriptCache
*psc
, SCRIPT_ANALYSIS
*psa
, WCHAR
* pwcChars
, INT cChars
, WORD
* pwOutGlyphs
, INT
* pcGlyphs
, INT cMaxGlyphs
, WORD
*pwLogClust
);
51 static void ContextualShape_Oriya(HDC hdc
, ScriptCache
*psc
, SCRIPT_ANALYSIS
*psa
, WCHAR
* pwcChars
, INT cChars
, WORD
* pwOutGlyphs
, INT
* pcGlyphs
, INT cMaxGlyphs
, WORD
*pwLogClust
);
52 static void ContextualShape_Tamil(HDC hdc
, ScriptCache
*psc
, SCRIPT_ANALYSIS
*psa
, WCHAR
* pwcChars
, INT cChars
, WORD
* pwOutGlyphs
, INT
* pcGlyphs
, INT cMaxGlyphs
, WORD
*pwLogClust
);
53 static void ContextualShape_Telugu(HDC hdc
, ScriptCache
*psc
, SCRIPT_ANALYSIS
*psa
, WCHAR
* pwcChars
, INT cChars
, WORD
* pwOutGlyphs
, INT
* pcGlyphs
, INT cMaxGlyphs
, WORD
*pwLogClust
);
54 static void ContextualShape_Kannada(HDC hdc
, ScriptCache
*psc
, SCRIPT_ANALYSIS
*psa
, WCHAR
* pwcChars
, INT cChars
, WORD
* pwOutGlyphs
, INT
* pcGlyphs
, INT cMaxGlyphs
, WORD
*pwLogClust
);
55 static void ContextualShape_Malayalam(HDC hdc
, ScriptCache
*psc
, SCRIPT_ANALYSIS
*psa
, WCHAR
* pwcChars
, INT cChars
, WORD
* pwOutGlyphs
, INT
* pcGlyphs
, INT cMaxGlyphs
, WORD
*pwLogClust
);
57 typedef VOID (*ShapeCharGlyphPropProc
)( HDC
, ScriptCache
*, SCRIPT_ANALYSIS
*, const WCHAR
*, const INT
, const WORD
*, const INT
, WORD
*, SCRIPT_CHARPROP
*, SCRIPT_GLYPHPROP
*);
59 static void ShapeCharGlyphProp_Default( 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
);
60 static void ShapeCharGlyphProp_Arabic( 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
);
61 static void ShapeCharGlyphProp_Thai( 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
);
62 static void ShapeCharGlyphProp_None( 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
);
63 static void ShapeCharGlyphProp_Tibet( 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
);
64 static void ShapeCharGlyphProp_Devanagari( 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
);
65 static void ShapeCharGlyphProp_Bengali( 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
);
66 static void ShapeCharGlyphProp_Gurmukhi( 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
);
67 static void ShapeCharGlyphProp_Gujarati( 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
);
68 static void ShapeCharGlyphProp_Oriya( 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
);
69 static void ShapeCharGlyphProp_Tamil( 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
);
70 static void ShapeCharGlyphProp_Telugu( 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
);
71 static void ShapeCharGlyphProp_Kannada( 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
);
72 static void ShapeCharGlyphProp_Malayalam( 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
);
74 extern const unsigned short indic_syllabic_table
[];
75 extern const unsigned short wine_shaping_table
[];
76 extern const unsigned short wine_shaping_forms
[LAST_ARABIC_CHAR
- FIRST_ARABIC_CHAR
+ 1][4];
98 #ifdef WORDS_BIGENDIAN
99 #define GET_BE_WORD(x) (x)
101 #define GET_BE_WORD(x) RtlUshortByteSwap(x)
104 /* These are all structures needed for the GSUB table */
105 #define GSUB_TAG MS_MAKE_TAG('G', 'S', 'U', 'B')
106 #define GSUB_E_NOFEATURE -2
107 #define GSUB_E_NOGLYPH -1
123 GSUB_ScriptRecord ScriptRecord
[1];
129 } GSUB_LangSysRecord
;
134 GSUB_LangSysRecord LangSysRecord
[1];
138 WORD LookupOrder
; /* Reserved */
139 WORD ReqFeatureIndex
;
141 WORD FeatureIndex
[1];
147 } GSUB_FeatureRecord
;
151 GSUB_FeatureRecord FeatureRecord
[1];
155 WORD FeatureParams
; /* Reserved */
157 WORD LookupListIndex
[1];
176 } GSUB_CoverageFormat1
;
181 WORD StartCoverageIndex
;
187 GSUB_RangeRecord RangeRecord
[1];
188 } GSUB_CoverageFormat2
;
191 WORD SubstFormat
; /* = 1 */
194 } GSUB_SingleSubstFormat1
;
197 WORD SubstFormat
; /* = 2 */
201 }GSUB_SingleSubstFormat2
;
204 WORD SubstFormat
; /* = 1 */
208 }GSUB_MultipleSubstFormat1
;
216 WORD SubstFormat
; /* = 1 */
220 }GSUB_LigatureSubstFormat1
;
235 WORD LookupListIndex
;
237 }GSUB_SubstLookupRecord
;
240 WORD SubstFormat
; /* = 1 */
242 WORD ChainSubRuleSetCount
;
243 WORD ChainSubRuleSet
[1];
244 }GSUB_ChainContextSubstFormat1
;
247 WORD SubstFormat
; /* = 3 */
248 WORD BacktrackGlyphCount
;
250 }GSUB_ChainContextSubstFormat3_1
;
253 WORD InputGlyphCount
;
255 }GSUB_ChainContextSubstFormat3_2
;
258 WORD LookaheadGlyphCount
;
260 }GSUB_ChainContextSubstFormat3_3
;
264 GSUB_SubstLookupRecord SubstLookupRecord
[1];
265 }GSUB_ChainContextSubstFormat3_4
;
268 WORD SubstFormat
; /* = 1 */
270 WORD AlternateSetCount
;
271 WORD AlternateSet
[1];
272 } GSUB_AlternateSubstFormat1
;
279 /* These are all structures needed for the GDEF table */
280 #define GDEF_TAG MS_MAKE_TAG('G', 'D', 'E', 'F')
282 enum {BaseGlyph
=1, LigatureGlyph
, MarkGlyph
, ComponentGlyph
};
289 WORD MarkAttachClassDef
;
296 WORD ClassValueArray
[1];
297 } GDEF_ClassDefFormat1
;
303 } GDEF_ClassRangeRecord
;
307 WORD ClassRangeCount
;
308 GDEF_ClassRangeRecord ClassRangeRecord
[1];
309 } GDEF_ClassDefFormat2
;
311 static INT
GSUB_apply_lookup(const GSUB_LookupList
* lookup
, INT lookup_index
, WORD
*glyphs
, INT glyph_index
, INT write_dir
, INT
*glyph_count
);
313 typedef struct tagVowelComponents
319 typedef struct tagConsonantComponents
323 } ConsonantComponents
;
325 typedef void (*second_reorder_function
)(LPWSTR pwChar
, IndicSyllable
*syllable
,WORD
* pwGlyphs
, IndicSyllable
* glyph_index
, lexical_function lex
);
327 /* the orders of joined_forms and contextual_features need to line up */
328 static const char* contextual_features
[] =
340 static OPENTYPE_FEATURE_RECORD standard_features
[] =
342 { MS_MAKE_TAG('l','i','g','a'), 1},
343 { MS_MAKE_TAG('c','l','i','g'), 1},
346 static OPENTYPE_FEATURE_RECORD arabic_features
[] =
348 { MS_MAKE_TAG('r','l','i','g'), 1},
349 { MS_MAKE_TAG('c','a','l','t'), 1},
350 { MS_MAKE_TAG('l','i','g','a'), 1},
351 { MS_MAKE_TAG('d','l','i','g'), 1},
352 { MS_MAKE_TAG('c','s','w','h'), 1},
353 { MS_MAKE_TAG('m','s','e','t'), 1},
356 static const char* required_arabic_features
[] =
365 static OPENTYPE_FEATURE_RECORD hebrew_features
[] =
367 { MS_MAKE_TAG('d','l','i','g'), 1},
370 static OPENTYPE_FEATURE_RECORD syriac_features
[] =
372 { MS_MAKE_TAG('r','l','i','g'), 1},
373 { MS_MAKE_TAG('c','a','l','t'), 1},
374 { MS_MAKE_TAG('l','i','g','a'), 1},
375 { MS_MAKE_TAG('d','l','i','g'), 1},
378 static const char* required_syriac_features
[] =
390 static OPENTYPE_FEATURE_RECORD sinhala_features
[] =
392 /* Presentation forms */
393 { MS_MAKE_TAG('b','l','w','s'), 1},
394 { MS_MAKE_TAG('a','b','v','s'), 1},
395 { MS_MAKE_TAG('p','s','t','s'), 1},
398 static OPENTYPE_FEATURE_RECORD tibetan_features
[] =
400 { MS_MAKE_TAG('a','b','v','s'), 1},
401 { MS_MAKE_TAG('b','l','w','s'), 1},
404 static OPENTYPE_FEATURE_RECORD thai_features
[] =
406 { MS_MAKE_TAG('c','c','m','p'), 1},
409 static const char* required_lao_features
[] =
415 static const char* required_devanagari_features
[] =
431 static OPENTYPE_FEATURE_RECORD devanagari_features
[] =
433 { MS_MAKE_TAG('p','r','e','s'), 1},
434 { MS_MAKE_TAG('a','b','v','s'), 1},
435 { MS_MAKE_TAG('b','l','w','s'), 1},
436 { MS_MAKE_TAG('p','s','t','s'), 1},
437 { MS_MAKE_TAG('h','a','l','n'), 1},
438 { MS_MAKE_TAG('c','a','l','t'), 1},
441 static const char* required_bengali_features
[] =
458 static const char* required_gurmukhi_features
[] =
477 static const char* required_oriya_features
[] =
494 static const char* required_tamil_features
[] =
510 static const char* required_telugu_features
[] =
528 typedef struct ScriptShapeDataTag
{
529 TEXTRANGE_PROPERTIES defaultTextRange
;
530 const char** requiredFeatures
;
533 ContextualShapingProc contextProc
;
534 ShapeCharGlyphPropProc charGlyphPropProc
;
537 /* in order of scripts */
538 static const ScriptShapeData ShapingData
[] =
540 {{ standard_features
, 2}, NULL
, "", "", NULL
, NULL
},
541 {{ standard_features
, 2}, NULL
, "latn", "", NULL
, NULL
},
542 {{ standard_features
, 2}, NULL
, "latn", "", NULL
, NULL
},
543 {{ standard_features
, 2}, NULL
, "latn", "", NULL
, NULL
},
544 {{ standard_features
, 2}, NULL
, "" , "", NULL
, NULL
},
545 {{ standard_features
, 2}, NULL
, "latn", "", NULL
, NULL
},
546 {{ arabic_features
, 6}, required_arabic_features
, "arab", "", ContextualShape_Arabic
, ShapeCharGlyphProp_Arabic
},
547 {{ arabic_features
, 6}, required_arabic_features
, "arab", "", ContextualShape_Arabic
, ShapeCharGlyphProp_Arabic
},
548 {{ hebrew_features
, 1}, NULL
, "hebr", "", NULL
, NULL
},
549 {{ syriac_features
, 4}, required_syriac_features
, "syrc", "", ContextualShape_Syriac
, ShapeCharGlyphProp_None
},
550 {{ arabic_features
, 6}, required_arabic_features
, "arab", "", ContextualShape_Arabic
, ShapeCharGlyphProp_Arabic
},
551 {{ NULL
, 0}, NULL
, "thaa", "", NULL
, ShapeCharGlyphProp_None
},
552 {{ standard_features
, 2}, NULL
, "grek", "", NULL
, NULL
},
553 {{ standard_features
, 2}, NULL
, "cyrl", "", NULL
, NULL
},
554 {{ standard_features
, 2}, NULL
, "armn", "", NULL
, NULL
},
555 {{ standard_features
, 2}, NULL
, "geor", "", NULL
, NULL
},
556 {{ sinhala_features
, 3}, NULL
, "sinh", "", ContextualShape_Sinhala
, NULL
},
557 {{ tibetan_features
, 2}, NULL
, "tibt", "", NULL
, ShapeCharGlyphProp_Tibet
},
558 {{ tibetan_features
, 2}, NULL
, "tibt", "", NULL
, ShapeCharGlyphProp_Tibet
},
559 {{ tibetan_features
, 2}, NULL
, "phag", "", ContextualShape_Phags_pa
, ShapeCharGlyphProp_Thai
},
560 {{ thai_features
, 1}, NULL
, "thai", "", NULL
, ShapeCharGlyphProp_Thai
},
561 {{ thai_features
, 1}, NULL
, "thai", "", NULL
, ShapeCharGlyphProp_Thai
},
562 {{ thai_features
, 1}, required_lao_features
, "lao", "", NULL
, ShapeCharGlyphProp_Thai
},
563 {{ thai_features
, 1}, required_lao_features
, "lao", "", NULL
, ShapeCharGlyphProp_Thai
},
564 {{ devanagari_features
, 6}, required_devanagari_features
, "deva", "dev2", ContextualShape_Devanagari
, ShapeCharGlyphProp_Devanagari
},
565 {{ devanagari_features
, 6}, required_devanagari_features
, "deva", "dev2", ContextualShape_Devanagari
, ShapeCharGlyphProp_Devanagari
},
566 {{ devanagari_features
, 6}, required_bengali_features
, "beng", "bng2", ContextualShape_Bengali
, ShapeCharGlyphProp_Bengali
},
567 {{ devanagari_features
, 6}, required_bengali_features
, "beng", "bng2", ContextualShape_Bengali
, ShapeCharGlyphProp_Bengali
},
568 {{ devanagari_features
, 6}, required_bengali_features
, "beng", "bng2", ContextualShape_Bengali
, ShapeCharGlyphProp_Bengali
},
569 {{ devanagari_features
, 6}, required_gurmukhi_features
, "guru", "gur2", ContextualShape_Gurmukhi
, ShapeCharGlyphProp_Gurmukhi
},
570 {{ devanagari_features
, 6}, required_gurmukhi_features
, "guru", "gur2", ContextualShape_Gurmukhi
, ShapeCharGlyphProp_Gurmukhi
},
571 {{ devanagari_features
, 6}, required_devanagari_features
, "gujr", "gjr2", ContextualShape_Gujarati
, ShapeCharGlyphProp_Gujarati
},
572 {{ devanagari_features
, 6}, required_devanagari_features
, "gujr", "gjr2", ContextualShape_Gujarati
, ShapeCharGlyphProp_Gujarati
},
573 {{ devanagari_features
, 6}, required_devanagari_features
, "gujr", "gjr2", ContextualShape_Gujarati
, ShapeCharGlyphProp_Gujarati
},
574 {{ devanagari_features
, 6}, required_oriya_features
, "orya", "ory2", ContextualShape_Oriya
, ShapeCharGlyphProp_Oriya
},
575 {{ devanagari_features
, 6}, required_oriya_features
, "orya", "ory2", ContextualShape_Oriya
, ShapeCharGlyphProp_Oriya
},
576 {{ devanagari_features
, 6}, required_tamil_features
, "taml", "tam2", ContextualShape_Tamil
, ShapeCharGlyphProp_Tamil
},
577 {{ devanagari_features
, 6}, required_tamil_features
, "taml", "tam2", ContextualShape_Tamil
, ShapeCharGlyphProp_Tamil
},
578 {{ devanagari_features
, 6}, required_telugu_features
, "telu", "tel2", ContextualShape_Telugu
, ShapeCharGlyphProp_Telugu
},
579 {{ devanagari_features
, 6}, required_telugu_features
, "telu", "tel2", ContextualShape_Telugu
, ShapeCharGlyphProp_Telugu
},
580 {{ devanagari_features
, 6}, required_telugu_features
, "knda", "knd2", ContextualShape_Kannada
, ShapeCharGlyphProp_Kannada
},
581 {{ devanagari_features
, 6}, required_telugu_features
, "knda", "knd2", ContextualShape_Kannada
, ShapeCharGlyphProp_Kannada
},
582 {{ devanagari_features
, 6}, required_telugu_features
, "mlym", "mlm2", ContextualShape_Malayalam
, ShapeCharGlyphProp_Malayalam
},
583 {{ devanagari_features
, 6}, required_telugu_features
, "mlym", "mlm2", ContextualShape_Malayalam
, ShapeCharGlyphProp_Malayalam
},
586 static INT
GSUB_is_glyph_covered(LPCVOID table
, UINT glyph
)
588 const GSUB_CoverageFormat1
* cf1
;
592 if (GET_BE_WORD(cf1
->CoverageFormat
) == 1)
594 int count
= GET_BE_WORD(cf1
->GlyphCount
);
596 TRACE("Coverage Format 1, %i glyphs\n",count
);
597 for (i
= 0; i
< count
; i
++)
598 if (glyph
== GET_BE_WORD(cf1
->GlyphArray
[i
]))
602 else if (GET_BE_WORD(cf1
->CoverageFormat
) == 2)
604 const GSUB_CoverageFormat2
* cf2
;
607 cf2
= (const GSUB_CoverageFormat2
*)cf1
;
609 count
= GET_BE_WORD(cf2
->RangeCount
);
610 TRACE("Coverage Format 2, %i ranges\n",count
);
611 for (i
= 0; i
< count
; i
++)
613 if (glyph
< GET_BE_WORD(cf2
->RangeRecord
[i
].Start
))
615 if ((glyph
>= GET_BE_WORD(cf2
->RangeRecord
[i
].Start
)) &&
616 (glyph
<= GET_BE_WORD(cf2
->RangeRecord
[i
].End
)))
618 return (GET_BE_WORD(cf2
->RangeRecord
[i
].StartCoverageIndex
) +
619 glyph
- GET_BE_WORD(cf2
->RangeRecord
[i
].Start
));
625 ERR("Unknown CoverageFormat %i\n",GET_BE_WORD(cf1
->CoverageFormat
));
630 static const GSUB_Script
* GSUB_get_script_table( const GSUB_Header
* header
, const char* tag
)
632 const GSUB_ScriptList
*script
;
633 const GSUB_Script
*deflt
= NULL
;
635 script
= (const GSUB_ScriptList
*)((const BYTE
*)header
+ GET_BE_WORD(header
->ScriptList
));
637 TRACE("%i scripts in this font\n",GET_BE_WORD(script
->ScriptCount
));
638 for (i
= 0; i
< GET_BE_WORD(script
->ScriptCount
); i
++)
640 const GSUB_Script
*scr
;
643 offset
= GET_BE_WORD(script
->ScriptRecord
[i
].Script
);
644 scr
= (const GSUB_Script
*)((const BYTE
*)script
+ offset
);
646 if (strncmp(script
->ScriptRecord
[i
].ScriptTag
, tag
,4)==0)
648 if (strncmp(script
->ScriptRecord
[i
].ScriptTag
, "dflt",4)==0)
654 static const GSUB_LangSys
* GSUB_get_lang_table( const GSUB_Script
* script
, const char* tag
)
658 const GSUB_LangSys
*Lang
;
660 TRACE("Deflang %x, LangCount %i\n",GET_BE_WORD(script
->DefaultLangSys
), GET_BE_WORD(script
->LangSysCount
));
662 for (i
= 0; i
< GET_BE_WORD(script
->LangSysCount
) ; i
++)
664 offset
= GET_BE_WORD(script
->LangSysRecord
[i
].LangSys
);
665 Lang
= (const GSUB_LangSys
*)((const BYTE
*)script
+ offset
);
667 if ( strncmp(script
->LangSysRecord
[i
].LangSysTag
,tag
,4)==0)
670 offset
= GET_BE_WORD(script
->DefaultLangSys
);
673 Lang
= (const GSUB_LangSys
*)((const BYTE
*)script
+ offset
);
679 static const GSUB_Feature
* GSUB_get_feature(const GSUB_Header
*header
, const GSUB_LangSys
*lang
, const char* tag
)
682 const GSUB_FeatureList
*feature
;
683 feature
= (const GSUB_FeatureList
*)((const BYTE
*)header
+ GET_BE_WORD(header
->FeatureList
));
685 TRACE("%i features\n",GET_BE_WORD(lang
->FeatureCount
));
686 for (i
= 0; i
< GET_BE_WORD(lang
->FeatureCount
); i
++)
688 int index
= GET_BE_WORD(lang
->FeatureIndex
[i
]);
689 if (strncmp(feature
->FeatureRecord
[index
].FeatureTag
,tag
,4)==0)
691 const GSUB_Feature
*feat
;
692 feat
= (const GSUB_Feature
*)((const BYTE
*)feature
+ GET_BE_WORD(feature
->FeatureRecord
[index
].Feature
));
699 static INT
GSUB_apply_SingleSubst(const GSUB_LookupTable
*look
, WORD
*glyphs
, INT glyph_index
, INT write_dir
, INT
*glyph_count
)
702 TRACE("Single Substitution Subtable\n");
704 for (j
= 0; j
< GET_BE_WORD(look
->SubTableCount
); j
++)
707 const GSUB_SingleSubstFormat1
*ssf1
;
708 offset
= GET_BE_WORD(look
->SubTable
[j
]);
709 ssf1
= (const GSUB_SingleSubstFormat1
*)((const BYTE
*)look
+offset
);
710 if (GET_BE_WORD(ssf1
->SubstFormat
) == 1)
712 int offset
= GET_BE_WORD(ssf1
->Coverage
);
713 TRACE(" subtype 1, delta %i\n", GET_BE_WORD(ssf1
->DeltaGlyphID
));
714 if (GSUB_is_glyph_covered((const BYTE
*)ssf1
+offset
, glyphs
[glyph_index
]) != -1)
716 TRACE(" Glyph 0x%x ->",glyphs
[glyph_index
]);
717 glyphs
[glyph_index
] = glyphs
[glyph_index
] + GET_BE_WORD(ssf1
->DeltaGlyphID
);
718 TRACE(" 0x%x\n",glyphs
[glyph_index
]);
719 return glyph_index
+ 1;
724 const GSUB_SingleSubstFormat2
*ssf2
;
728 ssf2
= (const GSUB_SingleSubstFormat2
*)ssf1
;
729 offset
= GET_BE_WORD(ssf1
->Coverage
);
730 TRACE(" subtype 2, glyph count %i\n", GET_BE_WORD(ssf2
->GlyphCount
));
731 index
= GSUB_is_glyph_covered((const BYTE
*)ssf2
+offset
, glyphs
[glyph_index
]);
732 TRACE(" Coverage index %i\n",index
);
735 if (glyphs
[glyph_index
] == GET_BE_WORD(ssf2
->Substitute
[index
]))
736 return GSUB_E_NOGLYPH
;
738 TRACE(" Glyph is 0x%x ->",glyphs
[glyph_index
]);
739 glyphs
[glyph_index
] = GET_BE_WORD(ssf2
->Substitute
[index
]);
740 TRACE("0x%x\n",glyphs
[glyph_index
]);
741 return glyph_index
+ 1;
745 return GSUB_E_NOGLYPH
;
748 static INT
GSUB_apply_MultipleSubst(const GSUB_LookupTable
*look
, WORD
*glyphs
, INT glyph_index
, INT write_dir
, INT
*glyph_count
)
751 TRACE("Multiple Substitution Subtable\n");
753 for (j
= 0; j
< GET_BE_WORD(look
->SubTableCount
); j
++)
756 const GSUB_MultipleSubstFormat1
*msf1
;
757 offset
= GET_BE_WORD(look
->SubTable
[j
]);
758 msf1
= (const GSUB_MultipleSubstFormat1
*)((const BYTE
*)look
+offset
);
760 offset
= GET_BE_WORD(msf1
->Coverage
);
761 index
= GSUB_is_glyph_covered((const BYTE
*)msf1
+offset
, glyphs
[glyph_index
]);
764 const GSUB_Sequence
*seq
;
767 offset
= GET_BE_WORD(msf1
->Sequence
[index
]);
768 seq
= (const GSUB_Sequence
*)((const BYTE
*)msf1
+offset
);
769 sub_count
= GET_BE_WORD(seq
->GlyphCount
);
770 TRACE(" Glyph 0x%x (+%i)->",glyphs
[glyph_index
],(sub_count
-1));
772 for (j
= (*glyph_count
)+(sub_count
-1); j
> glyph_index
; j
--)
773 glyphs
[j
] =glyphs
[j
-(sub_count
-1)];
775 for (j
= 0; j
< sub_count
; j
++)
777 glyphs
[glyph_index
+ (sub_count
-1) - j
] = GET_BE_WORD(seq
->Substitute
[j
]);
779 glyphs
[glyph_index
+ j
] = GET_BE_WORD(seq
->Substitute
[j
]);
781 *glyph_count
= *glyph_count
+ (sub_count
- 1);
783 if (TRACE_ON(uniscribe
))
785 for (j
= 0; j
< sub_count
; j
++)
786 TRACE(" 0x%x",glyphs
[glyph_index
+j
]);
790 return glyph_index
+ sub_count
;
793 return GSUB_E_NOGLYPH
;
796 static INT
GSUB_apply_AlternateSubst(const GSUB_LookupTable
*look
, WORD
*glyphs
, INT glyph_index
, INT write_dir
, INT
*glyph_count
)
799 TRACE("Alternate Substitution Subtable\n");
801 for (j
= 0; j
< GET_BE_WORD(look
->SubTableCount
); j
++)
804 const GSUB_AlternateSubstFormat1
*asf1
;
807 offset
= GET_BE_WORD(look
->SubTable
[j
]);
808 asf1
= (const GSUB_AlternateSubstFormat1
*)((const BYTE
*)look
+offset
);
809 offset
= GET_BE_WORD(asf1
->Coverage
);
811 index
= GSUB_is_glyph_covered((const BYTE
*)asf1
+offset
, glyphs
[glyph_index
]);
814 const GSUB_AlternateSet
*as
;
815 offset
= GET_BE_WORD(asf1
->AlternateSet
[index
]);
816 as
= (const GSUB_AlternateSet
*)((const BYTE
*)asf1
+offset
);
817 FIXME("%i alternates, picking index 0\n",GET_BE_WORD(as
->GlyphCount
));
818 if (glyphs
[glyph_index
] == GET_BE_WORD(as
->Alternate
[0]))
819 return GSUB_E_NOGLYPH
;
821 TRACE(" Glyph 0x%x ->",glyphs
[glyph_index
]);
822 glyphs
[glyph_index
] = GET_BE_WORD(as
->Alternate
[0]);
823 TRACE(" 0x%x\n",glyphs
[glyph_index
]);
824 return glyph_index
+ 1;
827 return GSUB_E_NOGLYPH
;
830 static INT
GSUB_apply_LigatureSubst(const GSUB_LookupTable
*look
, WORD
*glyphs
, INT glyph_index
, INT write_dir
, INT
*glyph_count
)
834 TRACE("Ligature Substitution Subtable\n");
835 for (j
= 0; j
< GET_BE_WORD(look
->SubTableCount
); j
++)
837 const GSUB_LigatureSubstFormat1
*lsf1
;
840 offset
= GET_BE_WORD(look
->SubTable
[j
]);
841 lsf1
= (const GSUB_LigatureSubstFormat1
*)((const BYTE
*)look
+offset
);
842 offset
= GET_BE_WORD(lsf1
->Coverage
);
843 index
= GSUB_is_glyph_covered((const BYTE
*)lsf1
+offset
, glyphs
[glyph_index
]);
844 TRACE(" Coverage index %i\n",index
);
847 const GSUB_LigatureSet
*ls
;
850 offset
= GET_BE_WORD(lsf1
->LigatureSet
[index
]);
851 ls
= (const GSUB_LigatureSet
*)((const BYTE
*)lsf1
+offset
);
852 count
= GET_BE_WORD(ls
->LigatureCount
);
853 TRACE(" LigatureSet has %i members\n",count
);
854 for (k
= 0; k
< count
; k
++)
856 const GSUB_Ligature
*lig
;
857 int CompCount
,l
,CompIndex
;
859 offset
= GET_BE_WORD(ls
->Ligature
[k
]);
860 lig
= (const GSUB_Ligature
*)((const BYTE
*)ls
+offset
);
861 CompCount
= GET_BE_WORD(lig
->CompCount
) - 1;
862 CompIndex
= glyph_index
+write_dir
;
863 for (l
= 0; l
< CompCount
&& CompIndex
>= 0 && CompIndex
< *glyph_count
; l
++)
866 CompGlyph
= GET_BE_WORD(lig
->Component
[l
]);
867 if (CompGlyph
!= glyphs
[CompIndex
])
869 CompIndex
+= write_dir
;
873 int replaceIdx
= glyph_index
;
875 replaceIdx
= glyph_index
- CompCount
;
877 TRACE(" Glyph is 0x%x (+%i) ->",glyphs
[glyph_index
],CompCount
);
878 glyphs
[replaceIdx
] = GET_BE_WORD(lig
->LigGlyph
);
879 TRACE("0x%x\n",glyphs
[replaceIdx
]);
883 for (j
= replaceIdx
+ 1; j
< *glyph_count
; j
++)
884 glyphs
[j
] =glyphs
[j
+CompCount
];
885 *glyph_count
= *glyph_count
- CompCount
;
887 return replaceIdx
+ 1;
892 return GSUB_E_NOGLYPH
;
895 static INT
GSUB_apply_ChainContextSubst(const GSUB_LookupList
* lookup
, const GSUB_LookupTable
*look
, WORD
*glyphs
, INT glyph_index
, INT write_dir
, INT
*glyph_count
)
900 TRACE("Chaining Contextual Substitution Subtable\n");
901 for (j
= 0; j
< GET_BE_WORD(look
->SubTableCount
) && !done
; j
++)
903 const GSUB_ChainContextSubstFormat1
*ccsf1
;
905 int dirLookahead
= write_dir
;
906 int dirBacktrack
= -1 * write_dir
;
908 offset
= GET_BE_WORD(look
->SubTable
[j
]);
909 ccsf1
= (const GSUB_ChainContextSubstFormat1
*)((const BYTE
*)look
+offset
);
910 if (GET_BE_WORD(ccsf1
->SubstFormat
) == 1)
912 FIXME(" TODO: subtype 1 (Simple context glyph substitution)\n");
915 else if (GET_BE_WORD(ccsf1
->SubstFormat
) == 2)
917 FIXME(" TODO: subtype 2 (Class-based Chaining Context Glyph Substitution)\n");
920 else if (GET_BE_WORD(ccsf1
->SubstFormat
) == 3)
924 const GSUB_ChainContextSubstFormat3_1
*ccsf3_1
;
925 const GSUB_ChainContextSubstFormat3_2
*ccsf3_2
;
926 const GSUB_ChainContextSubstFormat3_3
*ccsf3_3
;
927 const GSUB_ChainContextSubstFormat3_4
*ccsf3_4
;
928 int newIndex
= glyph_index
;
930 ccsf3_1
= (const GSUB_ChainContextSubstFormat3_1
*)ccsf1
;
932 TRACE(" subtype 3 (Coverage-based Chaining Context Glyph Substitution)\n");
934 for (k
= 0; k
< GET_BE_WORD(ccsf3_1
->BacktrackGlyphCount
); k
++)
936 offset
= GET_BE_WORD(ccsf3_1
->Coverage
[k
]);
937 if (GSUB_is_glyph_covered((const BYTE
*)ccsf3_1
+offset
, glyphs
[glyph_index
+ (dirBacktrack
* (k
+1))]) == -1)
940 if (k
!= GET_BE_WORD(ccsf3_1
->BacktrackGlyphCount
))
942 TRACE("Matched Backtrack\n");
944 ccsf3_2
= (const GSUB_ChainContextSubstFormat3_2
*)(((LPBYTE
)ccsf1
)+sizeof(GSUB_ChainContextSubstFormat3_1
) + (sizeof(WORD
) * (GET_BE_WORD(ccsf3_1
->BacktrackGlyphCount
)-1)));
946 indexGlyphs
= GET_BE_WORD(ccsf3_2
->InputGlyphCount
);
947 for (k
= 0; k
< indexGlyphs
; k
++)
949 offset
= GET_BE_WORD(ccsf3_2
->Coverage
[k
]);
950 if (GSUB_is_glyph_covered((const BYTE
*)ccsf3_1
+offset
, glyphs
[glyph_index
+ (write_dir
* k
)]) == -1)
953 if (k
!= indexGlyphs
)
955 TRACE("Matched IndexGlyphs\n");
957 ccsf3_3
= (const GSUB_ChainContextSubstFormat3_3
*)(((LPBYTE
)ccsf3_2
)+sizeof(GSUB_ChainContextSubstFormat3_2
) + (sizeof(WORD
) * (GET_BE_WORD(ccsf3_2
->InputGlyphCount
)-1)));
959 for (k
= 0; k
< GET_BE_WORD(ccsf3_3
->LookaheadGlyphCount
); k
++)
961 offset
= GET_BE_WORD(ccsf3_3
->Coverage
[k
]);
962 if (GSUB_is_glyph_covered((const BYTE
*)ccsf3_1
+offset
, glyphs
[glyph_index
+ (dirLookahead
* (indexGlyphs
+ k
))]) == -1)
965 if (k
!= GET_BE_WORD(ccsf3_3
->LookaheadGlyphCount
))
967 TRACE("Matched LookAhead\n");
969 ccsf3_4
= (const GSUB_ChainContextSubstFormat3_4
*)(((LPBYTE
)ccsf3_3
)+sizeof(GSUB_ChainContextSubstFormat3_3
) + (sizeof(WORD
) * (GET_BE_WORD(ccsf3_3
->LookaheadGlyphCount
)-1)));
971 if (GET_BE_WORD(ccsf3_4
->SubstCount
))
973 for (k
= 0; k
< GET_BE_WORD(ccsf3_4
->SubstCount
); k
++)
975 int lookupIndex
= GET_BE_WORD(ccsf3_4
->SubstLookupRecord
[k
].LookupListIndex
);
976 int SequenceIndex
= GET_BE_WORD(ccsf3_4
->SubstLookupRecord
[k
].SequenceIndex
) * write_dir
;
978 TRACE("SUBST: %i -> %i %i\n",k
, SequenceIndex
, lookupIndex
);
979 newIndex
= GSUB_apply_lookup(lookup
, lookupIndex
, glyphs
, glyph_index
+ SequenceIndex
, write_dir
, glyph_count
);
982 ERR("Chain failed to generate a glyph\n");
988 else return GSUB_E_NOGLYPH
;
994 static INT
GSUB_apply_lookup(const GSUB_LookupList
* lookup
, INT lookup_index
, WORD
*glyphs
, INT glyph_index
, INT write_dir
, INT
*glyph_count
)
997 const GSUB_LookupTable
*look
;
999 offset
= GET_BE_WORD(lookup
->Lookup
[lookup_index
]);
1000 look
= (const GSUB_LookupTable
*)((const BYTE
*)lookup
+ offset
);
1001 TRACE("type %i, flag %x, subtables %i\n",GET_BE_WORD(look
->LookupType
),GET_BE_WORD(look
->LookupFlag
),GET_BE_WORD(look
->SubTableCount
));
1002 switch(GET_BE_WORD(look
->LookupType
))
1005 return GSUB_apply_SingleSubst(look
, glyphs
, glyph_index
, write_dir
, glyph_count
);
1007 return GSUB_apply_MultipleSubst(look
, glyphs
, glyph_index
, write_dir
, glyph_count
);
1009 return GSUB_apply_AlternateSubst(look
, glyphs
, glyph_index
, write_dir
, glyph_count
);
1011 return GSUB_apply_LigatureSubst(look
, glyphs
, glyph_index
, write_dir
, glyph_count
);
1013 return GSUB_apply_ChainContextSubst(lookup
, look
, glyphs
, glyph_index
, write_dir
, glyph_count
);
1015 FIXME("We do not handle SubType %i\n",GET_BE_WORD(look
->LookupType
));
1017 return GSUB_E_NOGLYPH
;
1020 static INT
GSUB_apply_feature(const GSUB_Header
* header
, const GSUB_Feature
* feature
, WORD
*glyphs
, INT glyph_index
, INT write_dir
, INT
*glyph_count
)
1023 int out_index
= GSUB_E_NOGLYPH
;
1024 const GSUB_LookupList
*lookup
;
1026 lookup
= (const GSUB_LookupList
*)((const BYTE
*)header
+ GET_BE_WORD(header
->LookupList
));
1028 TRACE("%i lookups\n", GET_BE_WORD(feature
->LookupCount
));
1029 for (i
= 0; i
< GET_BE_WORD(feature
->LookupCount
); i
++)
1031 out_index
= GSUB_apply_lookup(lookup
, GET_BE_WORD(feature
->LookupListIndex
[i
]), glyphs
, glyph_index
, write_dir
, glyph_count
);
1032 if (out_index
!= GSUB_E_NOGLYPH
)
1035 if (out_index
== GSUB_E_NOGLYPH
)
1036 TRACE("lookups found no glyphs\n");
1040 out2
= GSUB_apply_feature(header
, feature
, glyphs
, glyph_index
, write_dir
, glyph_count
);
1041 if (out2
!=GSUB_E_NOGLYPH
)
1047 static const char* get_opentype_script(HDC hdc
, SCRIPT_ANALYSIS
*psa
, ScriptCache
*psc
, BOOL tryNew
)
1051 if (psc
->userScript
!= 0)
1053 if (tryNew
&& ShapingData
[psa
->eScript
].newOtTag
[0] != 0 && strncmp((char*)&psc
->userScript
,ShapingData
[psa
->eScript
].otTag
,4)==0)
1054 return ShapingData
[psa
->eScript
].newOtTag
;
1056 return (char*)&psc
->userScript
;
1059 if (tryNew
&& ShapingData
[psa
->eScript
].newOtTag
[0] != 0)
1060 return ShapingData
[psa
->eScript
].newOtTag
;
1062 if (ShapingData
[psa
->eScript
].otTag
[0] != 0)
1063 return ShapingData
[psa
->eScript
].otTag
;
1066 * fall back to the font charset
1068 charset
= GetTextCharsetInfo(hdc
, NULL
, 0x0);
1071 case ANSI_CHARSET
: return "latn";
1072 case BALTIC_CHARSET
: return "latn"; /* ?? */
1073 case CHINESEBIG5_CHARSET
: return "hani";
1074 case EASTEUROPE_CHARSET
: return "latn"; /* ?? */
1075 case GB2312_CHARSET
: return "hani";
1076 case GREEK_CHARSET
: return "grek";
1077 case HANGUL_CHARSET
: return "hang";
1078 case RUSSIAN_CHARSET
: return "cyrl";
1079 case SHIFTJIS_CHARSET
: return "kana";
1080 case TURKISH_CHARSET
: return "latn"; /* ?? */
1081 case VIETNAMESE_CHARSET
: return "latn";
1082 case JOHAB_CHARSET
: return "latn"; /* ?? */
1083 case ARABIC_CHARSET
: return "arab";
1084 case HEBREW_CHARSET
: return "hebr";
1085 case THAI_CHARSET
: return "thai";
1086 default: return "latn";
1090 static LPCVOID
load_GSUB_feature(HDC hdc
, SCRIPT_ANALYSIS
*psa
, ScriptCache
*psc
, const char* feat
)
1092 const GSUB_Feature
*feature
;
1095 for (i
= 0; i
< psc
->feature_count
; i
++)
1096 if (strncmp(psc
->features
[i
].tag
,feat
,4)==0)
1097 return psc
->features
[i
].feature
;
1101 if (psc
->GSUB_Table
)
1103 const GSUB_Script
*script
;
1104 const GSUB_LangSys
*language
;
1109 script
= GSUB_get_script_table(psc
->GSUB_Table
, get_opentype_script(hdc
,psa
,psc
,(attempt
==2)));
1113 if (psc
->userLang
!= 0)
1114 language
= GSUB_get_lang_table(script
,(char*)&psc
->userLang
);
1116 language
= GSUB_get_lang_table(script
, "xxxx"); /* Need to get Lang tag */
1118 feature
= GSUB_get_feature(psc
->GSUB_Table
, language
, feat
);
1120 } while(attempt
&& !feature
);
1122 /* try in the default (latin) table */
1125 script
= GSUB_get_script_table(psc
->GSUB_Table
, "latn");
1128 language
= GSUB_get_lang_table(script
, "xxxx"); /* Need to get Lang tag */
1130 feature
= GSUB_get_feature(psc
->GSUB_Table
, language
, feat
);
1135 TRACE("Feature %s located at %p\n",debugstr_an(feat
,4),feature
);
1137 psc
->feature_count
++;
1140 psc
->features
= HeapReAlloc(GetProcessHeap(), 0, psc
->features
, psc
->feature_count
* sizeof(LoadedFeature
));
1142 psc
->features
= HeapAlloc(GetProcessHeap(), 0, psc
->feature_count
* sizeof(LoadedFeature
));
1144 lstrcpynA(psc
->features
[psc
->feature_count
- 1].tag
, feat
, 5);
1145 psc
->features
[psc
->feature_count
- 1].feature
= feature
;
1149 static INT
apply_GSUB_feature_to_glyph(HDC hdc
, SCRIPT_ANALYSIS
*psa
, ScriptCache
* psc
, WORD
*glyphs
, INT index
, INT write_dir
, INT
* glyph_count
, const char* feat
)
1151 const GSUB_Feature
*feature
;
1153 feature
= load_GSUB_feature(hdc
, psa
, psc
, feat
);
1155 return GSUB_E_NOFEATURE
;
1157 TRACE("applying feature %s\n",feat
);
1158 return GSUB_apply_feature(psc
->GSUB_Table
, feature
, glyphs
, index
, write_dir
, glyph_count
);
1161 static VOID
*load_gsub_table(HDC hdc
)
1163 VOID
* GSUB_Table
= NULL
;
1164 int length
= GetFontData(hdc
, GSUB_TAG
, 0, NULL
, 0);
1165 if (length
!= GDI_ERROR
)
1167 GSUB_Table
= HeapAlloc(GetProcessHeap(),0,length
);
1168 GetFontData(hdc
, GSUB_TAG
, 0, GSUB_Table
, length
);
1169 TRACE("Loaded GSUB table of %i bytes\n",length
);
1174 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
)
1177 INT glyph_count
= count
;
1180 glyphs
= HeapAlloc(GetProcessHeap(),0,sizeof(WORD
)*(count
*2));
1181 GetGlyphIndicesW(hdc
, chars
, count
, glyphs
, 0);
1182 rc
= apply_GSUB_feature_to_glyph(hdc
, psa
, psc
, glyphs
, 0, write_dir
, &glyph_count
, feature
);
1183 if (rc
> GSUB_E_NOGLYPH
)
1184 rc
= count
- glyph_count
;
1188 HeapFree(GetProcessHeap(),0,glyphs
);
1192 static WORD
GDEF_get_glyph_class(const GDEF_Header
*header
, WORD glyph
)
1196 const GDEF_ClassDefFormat1
*cf1
;
1201 offset
= GET_BE_WORD(header
->GlyphClassDef
);
1205 cf1
= (GDEF_ClassDefFormat1
*)(((BYTE
*)header
)+offset
);
1206 if (GET_BE_WORD(cf1
->ClassFormat
) == 1)
1208 if (glyph
>= GET_BE_WORD(cf1
->StartGlyph
))
1210 int index
= glyph
- GET_BE_WORD(cf1
->StartGlyph
);
1211 if (index
< GET_BE_WORD(cf1
->GlyphCount
))
1212 class = GET_BE_WORD(cf1
->ClassValueArray
[index
]);
1215 else if (GET_BE_WORD(cf1
->ClassFormat
) == 2)
1217 const GDEF_ClassDefFormat2
*cf2
= (GDEF_ClassDefFormat2
*)cf1
;
1219 top
= GET_BE_WORD(cf2
->ClassRangeCount
);
1220 for (i
= 0; i
< top
; i
++)
1222 if (glyph
>= GET_BE_WORD(cf2
->ClassRangeRecord
[i
].Start
) &&
1223 glyph
<= GET_BE_WORD(cf2
->ClassRangeRecord
[i
].End
))
1225 class = GET_BE_WORD(cf2
->ClassRangeRecord
[i
].Class
);
1231 ERR("Unknown Class Format %i\n",GET_BE_WORD(cf1
->ClassFormat
));
1236 static VOID
*load_gdef_table(HDC hdc
)
1238 VOID
* GDEF_Table
= NULL
;
1239 int length
= GetFontData(hdc
, GDEF_TAG
, 0, NULL
, 0);
1240 if (length
!= GDI_ERROR
)
1242 GDEF_Table
= HeapAlloc(GetProcessHeap(),0,length
);
1243 GetFontData(hdc
, GDEF_TAG
, 0, GDEF_Table
, length
);
1244 TRACE("Loaded GDEF table of %i bytes\n",length
);
1249 static void GDEF_UpdateGlyphProps(HDC hdc
, ScriptCache
*psc
, const WORD
*pwGlyphs
, const WORD cGlyphs
, WORD
* pwLogClust
, SCRIPT_GLYPHPROP
*pGlyphProp
)
1253 if (!psc
->GDEF_Table
)
1254 psc
->GDEF_Table
= load_gdef_table(hdc
);
1256 for (i
= 0; i
< cGlyphs
; i
++)
1260 class = GDEF_get_glyph_class(psc
->GDEF_Table
, pwGlyphs
[i
]);
1266 pGlyphProp
[i
].sva
.fClusterStart
= 1;
1267 pGlyphProp
[i
].sva
.fDiacritic
= 0;
1268 pGlyphProp
[i
].sva
.fZeroWidth
= 0;
1271 pGlyphProp
[i
].sva
.fClusterStart
= 1;
1272 pGlyphProp
[i
].sva
.fDiacritic
= 0;
1273 pGlyphProp
[i
].sva
.fZeroWidth
= 0;
1276 pGlyphProp
[i
].sva
.fClusterStart
= 0;
1277 pGlyphProp
[i
].sva
.fDiacritic
= 1;
1278 pGlyphProp
[i
].sva
.fZeroWidth
= 1;
1280 case ComponentGlyph
:
1281 pGlyphProp
[i
].sva
.fClusterStart
= 0;
1282 pGlyphProp
[i
].sva
.fDiacritic
= 0;
1283 pGlyphProp
[i
].sva
.fZeroWidth
= 0;
1286 ERR("Unknown glyph class %i\n",class);
1287 pGlyphProp
[i
].sva
.fClusterStart
= 1;
1288 pGlyphProp
[i
].sva
.fDiacritic
= 0;
1289 pGlyphProp
[i
].sva
.fZeroWidth
= 0;
1294 static void UpdateClustersFromGlyphProp(const int cGlyphs
, const int cChars
, WORD
* pwLogClust
, SCRIPT_GLYPHPROP
*pGlyphProp
)
1298 for (i
= 0; i
< cGlyphs
; i
++)
1300 if (!pGlyphProp
[i
].sva
.fClusterStart
)
1303 for (j
= 0; j
< cChars
; j
++)
1305 if (pwLogClust
[j
] == i
)
1308 while (!pGlyphProp
[pwLogClust
[k
]].sva
.fClusterStart
&& k
>= 0 && k
<cChars
)
1310 if (pGlyphProp
[pwLogClust
[k
]].sva
.fClusterStart
)
1311 pwLogClust
[j
] = pwLogClust
[k
];
1318 static void UpdateClusters(int nextIndex
, int changeCount
, int write_dir
, int chars
, WORD
* pwLogClust
)
1320 if (changeCount
== 0)
1325 int target_glyph
= nextIndex
- 1;
1327 int target_index
= -1;
1328 int replacing_glyph
= -1;
1332 if (changeCount
> 0)
1333 target_glyph
= nextIndex
- (changeCount
+1);
1335 seeking_glyph
= target_glyph
;
1339 for (i
= 0; i
< chars
; i
++)
1341 if (pwLogClust
[i
] == seeking_glyph
)
1348 for (i
= chars
- 1; i
>= 0; i
--)
1350 if (pwLogClust
[i
] == seeking_glyph
)
1356 if (target_index
== -1)
1359 while (target_index
== -1 && seeking_glyph
< chars
);
1361 if (target_index
== -1)
1363 ERR("Unable to find target glyph\n");
1367 if (changeCount
< 0)
1370 for(i
= target_index
; i
< chars
&& i
>= 0; i
+=write_dir
)
1372 if (pwLogClust
[i
] == target_glyph
)
1374 if(pwLogClust
[i
] == replacing_glyph
)
1375 pwLogClust
[i
] = target_glyph
;
1379 if (changed
>= changeCount
)
1381 replacing_glyph
= pwLogClust
[i
];
1382 pwLogClust
[i
] = target_glyph
;
1389 /* renumber trailing indexes*/
1390 for(i
= target_index
; i
< chars
&& i
>= 0; i
+=write_dir
)
1392 if (pwLogClust
[i
] != target_glyph
)
1393 pwLogClust
[i
] += changeCount
;
1398 for(i
= target_index
; i
< chars
&& i
>= 0; i
+=write_dir
)
1399 pwLogClust
[i
] += changeCount
;
1404 static int apply_GSUB_feature(HDC hdc
, SCRIPT_ANALYSIS
*psa
, ScriptCache
* psc
, WORD
*pwOutGlyphs
, int write_dir
, INT
* pcGlyphs
, INT cChars
, const char* feat
, WORD
*pwLogClust
)
1408 if (psc
->GSUB_Table
)
1410 const GSUB_Feature
*feature
;
1412 feature
= load_GSUB_feature(hdc
, psa
, psc
, feat
);
1414 return GSUB_E_NOFEATURE
;
1417 TRACE("applying feature %s\n",debugstr_an(feat
,4));
1418 while(i
< *pcGlyphs
)
1421 INT prevCount
= *pcGlyphs
;
1422 nextIndex
= GSUB_apply_feature(psc
->GSUB_Table
, feature
, pwOutGlyphs
, i
, write_dir
, pcGlyphs
);
1423 if (nextIndex
> GSUB_E_NOGLYPH
)
1425 UpdateClusters(nextIndex
, *pcGlyphs
- prevCount
, write_dir
, cChars
, pwLogClust
);
1433 return GSUB_E_NOFEATURE
;
1436 static inline BOOL
get_GSUB_Indic2(SCRIPT_ANALYSIS
*psa
, ScriptCache
*psc
)
1438 return(GSUB_get_script_table(psc
->GSUB_Table
,ShapingData
[psa
->eScript
].newOtTag
)!=NULL
);
1441 static WCHAR
neighbour_char(int i
, int delta
, const WCHAR
* chars
, INT cchLen
)
1445 if ( i
+ delta
>= cchLen
)
1453 static CHAR
neighbour_joining_type(int i
, int delta
, const CHAR
* context_type
, INT cchLen
, SCRIPT_ANALYSIS
*psa
)
1457 if (psa
->fLinkBefore
)
1462 if ( i
+ delta
>= cchLen
)
1464 if (psa
->fLinkAfter
)
1472 if (context_type
[i
] == jtT
)
1473 return neighbour_joining_type(i
,delta
,context_type
,cchLen
,psa
);
1475 return context_type
[i
];
1478 static inline BOOL
right_join_causing(CHAR joining_type
)
1480 return (joining_type
== jtL
|| joining_type
== jtD
|| joining_type
== jtC
);
1483 static inline BOOL
left_join_causing(CHAR joining_type
)
1485 return (joining_type
== jtR
|| joining_type
== jtD
|| joining_type
== jtC
);
1488 static inline BOOL
word_break_causing(WCHAR chr
)
1490 /* we are working within a string of characters already guareented to
1491 be within one script, Syriac, so we do not worry about any character
1492 other than the space character outside of that range */
1493 return (chr
== 0 || chr
== 0x20 );
1497 * ContextualShape_Arabic
1499 static void ContextualShape_Arabic(HDC hdc
, ScriptCache
*psc
, SCRIPT_ANALYSIS
*psa
, WCHAR
* pwcChars
, INT cChars
, WORD
* pwOutGlyphs
, INT
* pcGlyphs
, INT cMaxGlyphs
, WORD
*pwLogClust
)
1506 if (*pcGlyphs
!= cChars
)
1508 ERR("Number of Glyphs and Chars need to match at the beginning\n");
1512 if (!psa
->fLogicalOrder
&& psa
->fRTL
)
1523 if (!psc
->GSUB_Table
)
1524 psc
->GSUB_Table
= load_gsub_table(hdc
);
1526 context_type
= HeapAlloc(GetProcessHeap(),0,cChars
);
1527 context_shape
= HeapAlloc(GetProcessHeap(),0,sizeof(INT
) * cChars
);
1529 for (i
= 0; i
< cChars
; i
++)
1530 context_type
[i
] = get_table_entry( wine_shaping_table
, pwcChars
[i
] );
1532 for (i
= 0; i
< cChars
; i
++)
1534 if (context_type
[i
] == jtR
&& right_join_causing(neighbour_joining_type(i
,dirR
,context_type
,cChars
,psa
)))
1535 context_shape
[i
] = Xr
;
1536 else if (context_type
[i
] == jtL
&& left_join_causing(neighbour_joining_type(i
,dirL
,context_type
,cChars
,psa
)))
1537 context_shape
[i
] = Xl
;
1538 else if (context_type
[i
] == jtD
&& left_join_causing(neighbour_joining_type(i
,dirL
,context_type
,cChars
,psa
)) && right_join_causing(neighbour_joining_type(i
,dirR
,context_type
,cChars
,psa
)))
1539 context_shape
[i
] = Xm
;
1540 else if (context_type
[i
] == jtD
&& right_join_causing(neighbour_joining_type(i
,dirR
,context_type
,cChars
,psa
)))
1541 context_shape
[i
] = Xr
;
1542 else if (context_type
[i
] == jtD
&& left_join_causing(neighbour_joining_type(i
,dirL
,context_type
,cChars
,psa
)))
1543 context_shape
[i
] = Xl
;
1545 context_shape
[i
] = Xn
;
1548 /* Contextual Shaping */
1550 while(i
< *pcGlyphs
)
1552 BOOL shaped
= FALSE
;
1554 if (psc
->GSUB_Table
)
1557 INT prevCount
= *pcGlyphs
;
1558 nextIndex
= apply_GSUB_feature_to_glyph(hdc
, psa
, psc
, pwOutGlyphs
, i
, dirL
, pcGlyphs
, contextual_features
[context_shape
[i
]]);
1559 if (nextIndex
> GSUB_E_NOGLYPH
)
1562 UpdateClusters(nextIndex
, *pcGlyphs
- prevCount
, dirL
, cChars
, pwLogClust
);
1564 shaped
= (nextIndex
> GSUB_E_NOGLYPH
);
1569 WORD newGlyph
= pwOutGlyphs
[i
];
1570 if (pwcChars
[i
] >= FIRST_ARABIC_CHAR
&& pwcChars
[i
] <= LAST_ARABIC_CHAR
)
1572 /* fall back to presentation form B */
1573 WCHAR context_char
= wine_shaping_forms
[pwcChars
[i
] - FIRST_ARABIC_CHAR
][context_shape
[i
]];
1574 if (context_char
!= pwcChars
[i
] && GetGlyphIndicesW(hdc
, &context_char
, 1, &newGlyph
, 0) != GDI_ERROR
&& newGlyph
!= 0x0000)
1575 pwOutGlyphs
[i
] = newGlyph
;
1581 HeapFree(GetProcessHeap(),0,context_shape
);
1582 HeapFree(GetProcessHeap(),0,context_type
);
1586 * ContextualShape_Syriac
1590 #define DALATH 0x715
1593 static void ContextualShape_Syriac(HDC hdc
, ScriptCache
*psc
, SCRIPT_ANALYSIS
*psa
, WCHAR
* pwcChars
, INT cChars
, WORD
* pwOutGlyphs
, INT
* pcGlyphs
, INT cMaxGlyphs
, WORD
*pwLogClust
)
1600 if (*pcGlyphs
!= cChars
)
1602 ERR("Number of Glyphs and Chars need to match at the beginning\n");
1606 if (!psa
->fLogicalOrder
&& psa
->fRTL
)
1617 if (!psc
->GSUB_Table
)
1618 psc
->GSUB_Table
= load_gsub_table(hdc
);
1620 if (!psc
->GSUB_Table
)
1623 context_type
= HeapAlloc(GetProcessHeap(),0,cChars
);
1624 context_shape
= HeapAlloc(GetProcessHeap(),0,sizeof(INT
) * cChars
);
1626 for (i
= 0; i
< cChars
; i
++)
1627 context_type
[i
] = get_table_entry( wine_shaping_table
, pwcChars
[i
] );
1629 for (i
= 0; i
< cChars
; i
++)
1631 if (pwcChars
[i
] == ALAPH
)
1633 WCHAR rchar
= neighbour_char(i
,dirR
,pwcChars
,cChars
);
1635 if (left_join_causing(neighbour_joining_type(i
,dirR
,context_type
,cChars
,psa
)) && word_break_causing(neighbour_char(i
,dirL
,pwcChars
,cChars
)))
1636 context_shape
[i
] = Afj
;
1637 else if ( rchar
!= DALATH
&& rchar
!= RISH
&&
1638 !left_join_causing(neighbour_joining_type(i
,dirR
,context_type
,cChars
,psa
)) &&
1639 word_break_causing(neighbour_char(i
,dirL
,pwcChars
,cChars
)))
1640 context_shape
[i
] = Afn
;
1641 else if ( (rchar
== DALATH
|| rchar
== RISH
) && word_break_causing(neighbour_char(i
,dirL
,pwcChars
,cChars
)))
1642 context_shape
[i
] = Afx
;
1644 context_shape
[i
] = Xn
;
1646 else if (context_type
[i
] == jtR
&&
1647 right_join_causing(neighbour_joining_type(i
,dirR
,context_type
,cChars
,psa
)))
1648 context_shape
[i
] = Xr
;
1649 else if (context_type
[i
] == jtL
&& left_join_causing(neighbour_joining_type(i
,dirL
,context_type
,cChars
,psa
)))
1650 context_shape
[i
] = Xl
;
1651 else if (context_type
[i
] == jtD
&& left_join_causing(neighbour_joining_type(i
,dirL
,context_type
,cChars
,psa
)) && right_join_causing(neighbour_joining_type(i
,dirR
,context_type
,cChars
,psa
)))
1652 context_shape
[i
] = Xm
;
1653 else if (context_type
[i
] == jtD
&& right_join_causing(neighbour_joining_type(i
,dirR
,context_type
,cChars
,psa
)))
1654 context_shape
[i
] = Xr
;
1655 else if (context_type
[i
] == jtD
&& left_join_causing(neighbour_joining_type(i
,dirL
,context_type
,cChars
,psa
)))
1656 context_shape
[i
] = Xl
;
1658 context_shape
[i
] = Xn
;
1661 /* Contextual Shaping */
1663 while(i
< *pcGlyphs
)
1666 INT prevCount
= *pcGlyphs
;
1667 nextIndex
= apply_GSUB_feature_to_glyph(hdc
, psa
, psc
, pwOutGlyphs
, i
, dirL
, pcGlyphs
, contextual_features
[context_shape
[i
]]);
1668 if (nextIndex
> GSUB_E_NOGLYPH
)
1670 UpdateClusters(nextIndex
, *pcGlyphs
- prevCount
, dirL
, cChars
, pwLogClust
);
1677 HeapFree(GetProcessHeap(),0,context_shape
);
1678 HeapFree(GetProcessHeap(),0,context_type
);
1682 * ContextualShape_Phags_pa
1685 #define phags_pa_CANDRABINDU 0xA873
1686 #define phags_pa_START 0xA840
1687 #define phags_pa_END 0xA87F
1689 static void ContextualShape_Phags_pa(HDC hdc
, ScriptCache
*psc
, SCRIPT_ANALYSIS
*psa
, WCHAR
* pwcChars
, INT cChars
, WORD
* pwOutGlyphs
, INT
* pcGlyphs
, INT cMaxGlyphs
, WORD
*pwLogClust
)
1695 if (*pcGlyphs
!= cChars
)
1697 ERR("Number of Glyphs and Chars need to match at the beginning\n");
1701 if (!psa
->fLogicalOrder
&& psa
->fRTL
)
1712 if (!psc
->GSUB_Table
)
1713 psc
->GSUB_Table
= load_gsub_table(hdc
);
1715 if (!psc
->GSUB_Table
)
1718 context_shape
= HeapAlloc(GetProcessHeap(),0,sizeof(INT
) * cChars
);
1720 for (i
= 0; i
< cChars
; i
++)
1722 if (pwcChars
[i
] >= phags_pa_START
&& pwcChars
[i
] <= phags_pa_END
)
1724 WCHAR rchar
= neighbour_char(i
,dirR
,pwcChars
,cChars
);
1725 WCHAR lchar
= neighbour_char(i
,dirL
,pwcChars
,cChars
);
1726 BOOL jrchar
= (rchar
!= phags_pa_CANDRABINDU
&& rchar
>= phags_pa_START
&& rchar
<= phags_pa_END
);
1727 BOOL jlchar
= (lchar
!= phags_pa_CANDRABINDU
&& lchar
>= phags_pa_START
&& lchar
<= phags_pa_END
);
1729 if (jrchar
&& jlchar
)
1730 context_shape
[i
] = Xm
;
1732 context_shape
[i
] = Xr
;
1734 context_shape
[i
] = Xl
;
1736 context_shape
[i
] = Xn
;
1739 context_shape
[i
] = -1;
1742 /* Contextual Shaping */
1744 while(i
< *pcGlyphs
)
1746 if (context_shape
[i
] >= 0)
1749 INT prevCount
= *pcGlyphs
;
1750 nextIndex
= apply_GSUB_feature_to_glyph(hdc
, psa
, psc
, pwOutGlyphs
, i
, dirL
, pcGlyphs
, contextual_features
[context_shape
[i
]]);
1751 if (nextIndex
> GSUB_E_NOGLYPH
)
1753 UpdateClusters(nextIndex
, *pcGlyphs
- prevCount
, dirL
, cChars
, pwLogClust
);
1763 HeapFree(GetProcessHeap(),0,context_shape
);
1766 static void ReplaceInsertChars(HDC hdc
, INT cWalk
, INT
* pcChars
, WCHAR
*pwOutChars
, const WCHAR
*replacements
)
1771 pwOutChars
[cWalk
] = replacements
[0];
1775 for (i
= 1; replacements
[i
] != 0x0000 && i
< 3; i
++)
1778 for (j
= *pcChars
; j
> cWalk
; j
--)
1779 pwOutChars
[j
] = pwOutChars
[j
-1];
1780 *pcChars
= *pcChars
+1;
1781 pwOutChars
[cWalk
] = replacements
[i
];
1786 static void DecomposeVowels(HDC hdc
, WCHAR
*pwOutChars
, INT
*pcChars
, const VowelComponents vowels
[], WORD
* pwLogClust
)
1792 for (cWalk
= 0; cWalk
< *pcChars
; cWalk
++)
1794 for (i
= 0; vowels
[i
].base
!= 0x0; i
++)
1796 if (pwOutChars
[cWalk
] == vowels
[i
].base
)
1800 ReplaceInsertChars(hdc
, cWalk
, pcChars
, pwOutChars
, vowels
[i
].parts
);
1801 if (vowels
[i
].parts
[1]) { cWalk
++; o
++; }
1802 if (vowels
[i
].parts
[2]) { cWalk
++; o
++; }
1804 for (j
= (cWalk
- offset
) + 1; j
< *pcChars
- offset
; j
++)
1812 static void ComposeConsonants(HDC hdc
, WCHAR
*pwOutChars
, INT
*pcChars
, const ConsonantComponents consonants
[], WORD
* pwLogClust
)
1818 for (cWalk
= 0; cWalk
< *pcChars
; cWalk
++)
1820 for (i
= 0; consonants
[i
].output
!= 0x0; i
++)
1823 for (j
= 0; j
+ cWalk
< *pcChars
&& consonants
[i
].parts
[j
]!=0x0; j
++)
1824 if (pwOutChars
[cWalk
+j
] != consonants
[i
].parts
[j
])
1827 if (consonants
[i
].parts
[j
]==0x0) /* matched all */
1831 pwOutChars
[cWalk
] = consonants
[i
].output
;
1832 for(k
= cWalk
+1; k
< *pcChars
- j
; k
++)
1833 pwOutChars
[k
] = pwOutChars
[k
+j
];
1834 *pcChars
= *pcChars
- j
;
1835 for (k
= j
; k
> 0; k
--)
1836 pwLogClust
[cWalk
+ k
+ offset
] = pwLogClust
[cWalk
+ offset
];
1838 for (k
= cWalk
+ j
+ offset
; k
< *pcChars
+ offset
; k
++)
1847 static void Reorder_Ra_follows_base(LPWSTR pwChar
, IndicSyllable
*s
, lexical_function lexical
)
1852 WORD Ra
= pwChar
[s
->start
];
1853 WORD H
= pwChar
[s
->start
+1];
1855 TRACE("Doing reorder of Ra to %i\n",s
->base
);
1856 for (j
= s
->start
; j
< s
->base
-1; j
++)
1857 pwChar
[j
] = pwChar
[j
+2];
1858 pwChar
[s
->base
-1] = Ra
;
1859 pwChar
[s
->base
] = H
;
1861 s
->ralf
= s
->base
-1;
1866 static void Reorder_Ra_follows_matra(LPWSTR pwChar
, IndicSyllable
*s
, lexical_function lexical
)
1871 int stop
= (s
->blwf
>=0)? s
->blwf
+1 : s
->base
;
1872 WORD Ra
= pwChar
[s
->start
];
1873 WORD H
= pwChar
[s
->start
+1];
1874 for (loc
= s
->end
; loc
> stop
; loc
--)
1875 if (lexical(pwChar
[loc
]) == lex_Matra_post
|| lexical(pwChar
[loc
]) == lex_Matra_below
)
1878 TRACE("Doing reorder of Ra to %i\n",loc
);
1879 for (j
= s
->start
; j
< loc
-1; j
++)
1880 pwChar
[j
] = pwChar
[j
+2];
1886 if (s
->blwf
>= 0) s
->blwf
-= 2;
1887 if (s
->pref
>= 0) s
->pref
-= 2;
1891 static void Reorder_Ra_follows_syllable(LPWSTR pwChar
, IndicSyllable
*s
, lexical_function lexical
)
1896 WORD Ra
= pwChar
[s
->start
];
1897 WORD H
= pwChar
[s
->start
+1];
1899 TRACE("Doing reorder of Ra to %i\n",s
->end
-1);
1900 for (j
= s
->start
; j
< s
->end
-1; j
++)
1901 pwChar
[j
] = pwChar
[j
+2];
1902 pwChar
[s
->end
-1] = Ra
;
1907 if (s
->blwf
>= 0) s
->blwf
-= 2;
1908 if (s
->pref
>= 0) s
->pref
-= 2;
1912 static void Reorder_Matra_precede_base(LPWSTR pwChar
, IndicSyllable
*s
, lexical_function lexical
)
1916 /* reorder Matras */
1917 if (s
->end
> s
->base
)
1919 for (i
= 1; i
<= s
->end
-s
->base
; i
++)
1921 if (lexical(pwChar
[s
->base
+i
]) == lex_Matra_pre
)
1924 WCHAR c
= pwChar
[s
->base
+i
];
1925 TRACE("Doing reorder of %x %x\n",c
,pwChar
[s
->base
]);
1926 for (j
= s
->base
+i
; j
> s
->base
; j
--)
1927 pwChar
[j
] = pwChar
[j
-1];
1928 pwChar
[s
->base
] = c
;
1930 if (s
->ralf
>= s
->base
) s
->ralf
++;
1931 if (s
->blwf
>= s
->base
) s
->blwf
++;
1932 if (s
->pref
>= s
->base
) s
->pref
++;
1939 static void Reorder_Matra_precede_syllable(LPWSTR pwChar
, IndicSyllable
*s
, lexical_function lexical
)
1943 /* reorder Matras */
1944 if (s
->end
> s
->base
)
1946 for (i
= 1; i
<= s
->end
-s
->base
; i
++)
1948 if (lexical(pwChar
[s
->base
+i
]) == lex_Matra_pre
)
1951 WCHAR c
= pwChar
[s
->base
+i
];
1952 TRACE("Doing reorder of %x to %i\n",c
,s
->start
);
1953 for (j
= s
->base
+i
; j
> s
->start
; j
--)
1954 pwChar
[j
] = pwChar
[j
-1];
1955 pwChar
[s
->start
] = c
;
1957 if (s
->ralf
>= 0) s
->ralf
++;
1958 if (s
->blwf
>= 0) s
->blwf
++;
1959 if (s
->pref
>= 0) s
->pref
++;
1966 static void SecondReorder_Blwf_follows_matra(LPWSTR pwChar
, IndicSyllable
*s
, WORD
*glyphs
, IndicSyllable
*g
, lexical_function lexical
)
1968 if (s
->blwf
>= 0 && g
->blwf
> g
->base
)
1972 for (loc
= s
->end
; loc
> s
->blwf
; loc
--)
1973 if (lexical(pwChar
[loc
]) == lex_Matra_below
|| lexical(pwChar
[loc
]) == lex_Matra_above
|| lexical(pwChar
[loc
]) == lex_Matra_post
)
1976 g_offset
= (loc
- s
->blwf
) - 1;
1980 WORD blwf
= glyphs
[g
->blwf
];
1981 TRACE("Doing reorder of Below-base to %i (glyph offset %i)\n",loc
,g_offset
);
1982 /* do not care about the pwChar array anymore, just the glyphs */
1983 for (j
= 0; j
< g_offset
; j
++)
1984 glyphs
[g
->blwf
+ j
] = glyphs
[g
->blwf
+ j
+ 1];
1985 glyphs
[g
->blwf
+ g_offset
] = blwf
;
1990 static void SecondReorder_Matra_precede_base(LPWSTR pwChar
, IndicSyllable
*s
, WORD
*glyphs
, IndicSyllable
*g
, lexical_function lexical
)
1994 /* reorder previously moved Matras to correct position*/
1995 for (i
= s
->start
; i
< s
->base
; i
++)
1997 if (lexical(pwChar
[i
]) == lex_Matra_pre
)
2000 int g_start
= g
->start
+ i
- s
->start
;
2001 if (g_start
< g
->base
-1 )
2003 WCHAR og
= glyphs
[g_start
];
2004 TRACE("Doing reorder of matra from %i to %i\n",g_start
,g
->base
);
2005 for (j
= g_start
; j
< g
->base
-1; j
++)
2006 glyphs
[j
] = glyphs
[j
+1];
2007 glyphs
[g
->base
-1] = og
;
2013 static void SecondReorder_Pref_precede_base(LPWSTR pwChar
, IndicSyllable
*s
, WORD
*glyphs
, IndicSyllable
*g
, lexical_function lexical
)
2015 if (s
->pref
>= 0 && g
->pref
> g
->base
)
2018 WCHAR og
= glyphs
[g
->pref
];
2019 TRACE("Doing reorder of pref from %i to %i\n",g
->pref
,g
->base
);
2020 for (j
= g
->pref
; j
> g
->base
; j
--)
2021 glyphs
[j
] = glyphs
[j
-1];
2022 glyphs
[g
->base
] = og
;
2026 static void Reorder_Like_Sinhala(LPWSTR pwChar
, IndicSyllable
*s
, lexical_function lexical
)
2028 TRACE("Syllable (%i..%i..%i)\n",s
->start
,s
->base
,s
->end
);
2029 if (s
->start
== s
->base
&& s
->base
== s
->end
) return;
2030 if (lexical(pwChar
[s
->base
]) == lex_Vowel
) return;
2032 Reorder_Ra_follows_base(pwChar
, s
, lexical
);
2033 Reorder_Matra_precede_base(pwChar
, s
, lexical
);
2036 static void Reorder_Like_Devanagari(LPWSTR pwChar
, IndicSyllable
*s
, lexical_function lexical
)
2038 TRACE("Syllable (%i..%i..%i)\n",s
->start
,s
->base
,s
->end
);
2039 if (s
->start
== s
->base
&& s
->base
== s
->end
) return;
2040 if (lexical(pwChar
[s
->base
]) == lex_Vowel
) return;
2042 Reorder_Ra_follows_matra(pwChar
, s
, lexical
);
2043 Reorder_Matra_precede_syllable(pwChar
, s
, lexical
);
2046 static void Reorder_Like_Bengali(LPWSTR pwChar
, IndicSyllable
*s
, lexical_function lexical
)
2048 TRACE("Syllable (%i..%i..%i)\n",s
->start
,s
->base
,s
->end
);
2049 if (s
->start
== s
->base
&& s
->base
== s
->end
) return;
2050 if (lexical(pwChar
[s
->base
]) == lex_Vowel
) return;
2052 Reorder_Ra_follows_base(pwChar
, s
, lexical
);
2053 Reorder_Matra_precede_syllable(pwChar
, s
, lexical
);
2056 static void Reorder_Like_Kannada(LPWSTR pwChar
, IndicSyllable
*s
, lexical_function lexical
)
2058 TRACE("Syllable (%i..%i..%i)\n",s
->start
,s
->base
,s
->end
);
2059 if (s
->start
== s
->base
&& s
->base
== s
->end
) return;
2060 if (lexical(pwChar
[s
->base
]) == lex_Vowel
) return;
2062 Reorder_Ra_follows_syllable(pwChar
, s
, lexical
);
2063 Reorder_Matra_precede_syllable(pwChar
, s
, lexical
);
2066 static void SecondReorder_Like_Telugu(LPWSTR pwChar
, IndicSyllable
*s
, WORD
* pwGlyphs
, IndicSyllable
*g
, lexical_function lexical
)
2068 TRACE("Syllable (%i..%i..%i)\n",s
->start
,s
->base
,s
->end
);
2069 TRACE("Glyphs (%i..%i..%i)\n",g
->start
,g
->base
,g
->end
);
2070 if (s
->start
== s
->base
&& s
->base
== s
->end
) return;
2071 if (lexical(pwChar
[s
->base
]) == lex_Vowel
) return;
2073 SecondReorder_Blwf_follows_matra(pwChar
, s
, pwGlyphs
, g
, lexical
);
2076 static void SecondReorder_Like_Tamil(LPWSTR pwChar
, IndicSyllable
*s
, WORD
* pwGlyphs
, IndicSyllable
*g
, lexical_function lexical
)
2078 TRACE("Syllable (%i..%i..%i)\n",s
->start
,s
->base
,s
->end
);
2079 TRACE("Glyphs (%i..%i..%i)\n",g
->start
,g
->base
,g
->end
);
2080 if (s
->start
== s
->base
&& s
->base
== s
->end
) return;
2081 if (lexical(pwChar
[s
->base
]) == lex_Vowel
) return;
2083 SecondReorder_Matra_precede_base(pwChar
, s
, pwGlyphs
, g
, lexical
);
2084 SecondReorder_Pref_precede_base(pwChar
, s
, pwGlyphs
, g
, lexical
);
2088 static inline void shift_syllable_glyph_indexs(IndicSyllable
*glyph_index
, INT index
, INT shift
)
2093 if (glyph_index
->start
> index
)
2094 glyph_index
->start
+= shift
;
2095 if (glyph_index
->base
> index
)
2096 glyph_index
->base
+= shift
;
2097 if (glyph_index
->end
> index
)
2098 glyph_index
->end
+= shift
;
2099 if (glyph_index
->ralf
> index
)
2100 glyph_index
->ralf
+= shift
;
2101 if (glyph_index
->blwf
> index
)
2102 glyph_index
->blwf
+= shift
;
2103 if (glyph_index
->pref
> index
)
2104 glyph_index
->pref
+= shift
;
2107 static void Apply_Indic_BasicForm(HDC hdc
, ScriptCache
*psc
, SCRIPT_ANALYSIS
*psa
, WCHAR
* pwChars
, INT cChars
, IndicSyllable
*syllable
, WORD
*pwOutGlyphs
, INT
* pcGlyphs
, WORD
*pwLogClust
, lexical_function lexical
, IndicSyllable
*glyph_index
, const GSUB_Feature
*feature
)
2109 int index
= glyph_index
->start
;
2114 while(index
<= glyph_index
->end
)
2117 INT prevCount
= *pcGlyphs
;
2118 nextIndex
= GSUB_apply_feature(psc
->GSUB_Table
, feature
, pwOutGlyphs
, index
, 1, pcGlyphs
);
2119 if (nextIndex
> GSUB_E_NOGLYPH
)
2121 UpdateClusters(nextIndex
, *pcGlyphs
- prevCount
, 1, cChars
, pwLogClust
);
2122 shift_syllable_glyph_indexs(glyph_index
,index
,*pcGlyphs
- prevCount
);
2130 static inline INT
find_consonant_halant(WCHAR
* pwChars
, INT index
, INT end
, lexical_function lexical
)
2133 while (i
+ index
< end
- 1 && !(is_consonant(lexical(pwChars
[index
+i
])) && (lexical(pwChars
[index
+i
+1]) == lex_Halant
|| (index
+ i
< end
- 2 && lexical(pwChars
[index
+i
+1]) == lex_Nukta
&& lexical(pwChars
[index
+i
+2] == lex_Halant
)))))
2135 if (index
+ i
<= end
-1)
2141 static void Apply_Indic_PreBase(HDC hdc
, ScriptCache
*psc
, SCRIPT_ANALYSIS
*psa
, WCHAR
* pwChars
, INT cChars
, IndicSyllable
*syllable
, WORD
*pwOutGlyphs
, INT
* pcGlyphs
, WORD
*pwLogClust
, lexical_function lexical
, IndicSyllable
*glyph_index
, const char* feature
)
2143 INT index
, nextIndex
;
2146 count
= syllable
->base
- syllable
->start
;
2149 index
= find_consonant_halant(&pwChars
[syllable
->start
], 0, count
, lexical
);
2150 while (index
>= 0 && index
+ g_offset
< (glyph_index
->base
- glyph_index
->start
))
2152 INT prevCount
= *pcGlyphs
;
2153 nextIndex
= apply_GSUB_feature_to_glyph(hdc
, psa
, psc
, pwOutGlyphs
, index
+glyph_index
->start
+g_offset
, 1, pcGlyphs
, feature
);
2154 if (nextIndex
> GSUB_E_NOGLYPH
)
2156 UpdateClusters(nextIndex
, *pcGlyphs
- prevCount
, 1, cChars
, pwLogClust
);
2157 shift_syllable_glyph_indexs(glyph_index
, index
+ glyph_index
->start
+ g_offset
, (*pcGlyphs
- prevCount
));
2158 g_offset
+= (*pcGlyphs
- prevCount
);
2162 index
= find_consonant_halant(&pwChars
[syllable
->start
], index
, count
, lexical
);
2166 static void Apply_Indic_Rphf(HDC hdc
, ScriptCache
*psc
, SCRIPT_ANALYSIS
*psa
, WCHAR
* pwChars
, INT cChars
, IndicSyllable
*syllable
, WORD
*pwOutGlyphs
, INT
* pcGlyphs
, WORD
*pwLogClust
, lexical_function lexical
, IndicSyllable
*glyph_index
)
2169 INT prevCount
= *pcGlyphs
;
2171 if (syllable
->ralf
>= 0)
2173 nextIndex
= apply_GSUB_feature_to_glyph(hdc
, psa
, psc
, pwOutGlyphs
, glyph_index
->ralf
, 1, pcGlyphs
, "rphf");
2174 if (nextIndex
> GSUB_E_NOGLYPH
)
2176 UpdateClusters(nextIndex
, *pcGlyphs
- prevCount
, 1, cChars
, pwLogClust
);
2177 shift_syllable_glyph_indexs(glyph_index
,glyph_index
->ralf
,*pcGlyphs
- prevCount
);
2182 static inline INT
find_halant_consonant(WCHAR
* pwChars
, INT index
, INT end
, lexical_function lexical
)
2185 while (index
+ i
< end
-1 && !(lexical(pwChars
[index
+i
]) == lex_Halant
&&
2186 ((index
+ i
< end
-2 && lexical(pwChars
[index
+i
]) == lex_Nukta
&& is_consonant(lexical(pwChars
[index
+i
+1]))) ||
2187 is_consonant(lexical(pwChars
[index
+i
+1])))))
2189 if (index
+ i
<= end
-1)
2195 static void Apply_Indic_PostBase(HDC hdc
, ScriptCache
*psc
, SCRIPT_ANALYSIS
*psa
, WCHAR
* pwChars
, INT cChars
, IndicSyllable
*syllable
, WORD
*pwOutGlyphs
, INT
* pcGlyphs
, WORD
*pwLogClust
, lexical_function lexical
, IndicSyllable
*glyph_index
, BOOL modern
, const char* feat
)
2197 INT index
, nextIndex
;
2198 INT count
, g_offset
=0;
2199 INT ralf
= syllable
->ralf
;
2201 count
= syllable
->end
- syllable
->base
;
2203 index
= find_halant_consonant(&pwChars
[syllable
->base
], 0, count
, lexical
);
2207 INT prevCount
= *pcGlyphs
;
2208 if (ralf
>=0 && ralf
< index
)
2216 WORD g
= pwOutGlyphs
[index
+glyph_index
->base
+g_offset
];
2217 pwOutGlyphs
[index
+glyph_index
->base
+g_offset
] = pwOutGlyphs
[index
+glyph_index
->base
+g_offset
+1];
2218 pwOutGlyphs
[index
+glyph_index
->base
+g_offset
+1] = g
;
2221 nextIndex
= apply_GSUB_feature_to_glyph(hdc
, psa
, psc
, pwOutGlyphs
, index
+glyph_index
->base
+g_offset
, 1, pcGlyphs
, feat
);
2222 if (nextIndex
> GSUB_E_NOGLYPH
)
2224 UpdateClusters(nextIndex
, *pcGlyphs
- prevCount
, 1, cChars
, pwLogClust
);
2225 shift_syllable_glyph_indexs(glyph_index
,index
+glyph_index
->start
+g_offset
, (*pcGlyphs
- prevCount
));
2226 g_offset
+= (*pcGlyphs
- prevCount
);
2230 WORD g
= pwOutGlyphs
[index
+glyph_index
->base
+g_offset
];
2231 pwOutGlyphs
[index
+glyph_index
->base
+g_offset
] = pwOutGlyphs
[index
+glyph_index
->base
+g_offset
+1];
2232 pwOutGlyphs
[index
+glyph_index
->base
+g_offset
+1] = g
;
2236 index
= find_halant_consonant(&pwChars
[syllable
->base
], index
, count
, lexical
);
2240 static void ShapeIndicSyllables(HDC hdc
, ScriptCache
*psc
, SCRIPT_ANALYSIS
*psa
, WCHAR
* pwChars
, INT cChars
, IndicSyllable
*syllables
, INT syllable_count
, WORD
*pwOutGlyphs
, INT
* pcGlyphs
, WORD
*pwLogClust
, lexical_function lexical
, second_reorder_function second_reorder
, BOOL modern
)
2243 int overall_shift
= 0;
2244 const GSUB_Feature
*locl
= (modern
)?load_GSUB_feature(hdc
, psa
, psc
, "locl"):NULL
;
2245 const GSUB_Feature
*nukt
= load_GSUB_feature(hdc
, psa
, psc
, "nukt");
2246 const GSUB_Feature
*akhn
= load_GSUB_feature(hdc
, psa
, psc
, "akhn");
2247 const GSUB_Feature
*rkrf
= (modern
)?load_GSUB_feature(hdc
, psa
, psc
, "rkrf"):NULL
;
2248 const GSUB_Feature
*pstf
= load_GSUB_feature(hdc
, psa
, psc
, "pstf");
2249 const GSUB_Feature
*vatu
= (!rkrf
)?load_GSUB_feature(hdc
, psa
, psc
, "vatu"):NULL
;
2250 const GSUB_Feature
*cjct
= (modern
)?load_GSUB_feature(hdc
, psa
, psc
, "cjct"):NULL
;
2251 BOOL rphf
= (load_GSUB_feature(hdc
, psa
, psc
, "rphf") != NULL
);
2252 BOOL pref
= (load_GSUB_feature(hdc
, psa
, psc
, "pref") != NULL
);
2253 BOOL blwf
= (load_GSUB_feature(hdc
, psa
, psc
, "blwf") != NULL
);
2254 BOOL half
= (load_GSUB_feature(hdc
, psa
, psc
, "half") != NULL
);
2255 IndicSyllable glyph_indexs
;
2257 for (c
= 0; c
< syllable_count
; c
++)
2260 memcpy(&glyph_indexs
, &syllables
[c
], sizeof(IndicSyllable
));
2261 shift_syllable_glyph_indexs(&glyph_indexs
, -1, overall_shift
);
2262 old_end
= glyph_indexs
.end
;
2266 TRACE("applying feature locl\n");
2267 Apply_Indic_BasicForm(hdc
, psc
, psa
, pwChars
, cChars
, &syllables
[c
], pwOutGlyphs
, pcGlyphs
, pwLogClust
, lexical
, &glyph_indexs
, locl
);
2271 TRACE("applying feature nukt\n");
2272 Apply_Indic_BasicForm(hdc
, psc
, psa
, pwChars
, cChars
, &syllables
[c
], pwOutGlyphs
, pcGlyphs
, pwLogClust
, lexical
, &glyph_indexs
, nukt
);
2276 TRACE("applying feature akhn\n");
2277 Apply_Indic_BasicForm(hdc
, psc
, psa
, pwChars
, cChars
, &syllables
[c
], pwOutGlyphs
, pcGlyphs
, pwLogClust
, lexical
, &glyph_indexs
, akhn
);
2281 Apply_Indic_Rphf(hdc
, psc
, psa
, pwChars
, cChars
, &syllables
[c
], pwOutGlyphs
, pcGlyphs
, pwLogClust
, lexical
, &glyph_indexs
);
2284 TRACE("applying feature rkrf\n");
2285 Apply_Indic_BasicForm(hdc
, psc
, psa
, pwChars
, cChars
, &syllables
[c
], pwOutGlyphs
, pcGlyphs
, pwLogClust
, lexical
, &glyph_indexs
, rkrf
);
2288 Apply_Indic_PostBase(hdc
, psc
, psa
, pwChars
, cChars
, &syllables
[c
], pwOutGlyphs
, pcGlyphs
, pwLogClust
, lexical
, &glyph_indexs
, modern
, "pref");
2292 Apply_Indic_PreBase(hdc
, psc
, psa
, pwChars
, cChars
, &syllables
[c
], pwOutGlyphs
, pcGlyphs
, pwLogClust
, lexical
, &glyph_indexs
, "blwf");
2294 Apply_Indic_PostBase(hdc
, psc
, psa
, pwChars
, cChars
, &syllables
[c
], pwOutGlyphs
, pcGlyphs
, pwLogClust
, lexical
, &glyph_indexs
, modern
, "blwf");
2298 Apply_Indic_PreBase(hdc
, psc
, psa
, pwChars
, cChars
, &syllables
[c
], pwOutGlyphs
, pcGlyphs
, pwLogClust
, lexical
, &glyph_indexs
, "half");
2301 TRACE("applying feature pstf\n");
2302 Apply_Indic_BasicForm(hdc
, psc
, psa
, pwChars
, cChars
, &syllables
[c
], pwOutGlyphs
, pcGlyphs
, pwLogClust
, lexical
, &glyph_indexs
, pstf
);
2306 TRACE("applying feature vatu\n");
2307 Apply_Indic_BasicForm(hdc
, psc
, psa
, pwChars
, cChars
, &syllables
[c
], pwOutGlyphs
, pcGlyphs
, pwLogClust
, lexical
, &glyph_indexs
, vatu
);
2311 TRACE("applying feature cjct\n");
2312 Apply_Indic_BasicForm(hdc
, psc
, psa
, pwChars
, cChars
, &syllables
[c
], pwOutGlyphs
, pcGlyphs
, pwLogClust
, lexical
, &glyph_indexs
, cjct
);
2316 second_reorder(pwChars
, &syllables
[c
], pwOutGlyphs
, &glyph_indexs
, lexical
);
2318 overall_shift
+= glyph_indexs
.end
- old_end
;
2322 static inline int unicode_lex(WCHAR c
)
2326 if (!c
) return lex_Generic
;
2327 if (c
== 0x200D) return lex_ZWJ
;
2328 if (c
== 0x200C) return lex_ZWNJ
;
2329 if (c
== 0x00A0) return lex_NBSP
;
2331 type
= get_table_entry( indic_syllabic_table
, c
);
2333 if ((type
& 0x00ff) != 0x0007) type
= type
& 0x00ff;
2337 case 0x0d07: /* Unknown */
2338 case 0x0e07: /* Unknwon */
2339 default: return lex_Generic
;
2345 case 0x0014: return lex_Modifier
;
2353 case 0x0010: return lex_Consonant
;
2354 case 0x0004: return lex_Nukta
;
2355 case 0x0005: return lex_Halant
;
2357 case 0x0008: return lex_Vowel
;
2359 case 0x0107: return lex_Matra_post
;
2361 case 0x0307: return lex_Matra_pre
;
2367 case 0x0407: return lex_Composed_Vowel
;
2368 case 0x0507: return lex_Matra_above
;
2369 case 0x0607: return lex_Matra_below
;
2370 case 0x000c: return lex_Ra
;
2374 static int sinhala_lex(WCHAR c
)
2381 case 0x0DDE: return lex_Matra_post
;
2383 return unicode_lex(c
);
2387 static const VowelComponents Sinhala_vowels
[] = {
2388 {0x0DDA, {0x0DD9,0x0DDA,0x0}},
2389 {0x0DDC, {0x0DD9,0x0DDC,0x0}},
2390 {0x0DDD, {0x0DD9,0x0DDD,0x0}},
2391 {0x0DDE, {0x0DD9,0x0DDE,0x0}},
2392 {0x0000, {0x0000,0x0000,0x0}}};
2394 static void ContextualShape_Sinhala(HDC hdc
, ScriptCache
*psc
, SCRIPT_ANALYSIS
*psa
, WCHAR
* pwcChars
, INT cChars
, WORD
* pwOutGlyphs
, INT
* pcGlyphs
, INT cMaxGlyphs
, WORD
*pwLogClust
)
2396 int cCount
= cChars
;
2399 IndicSyllable
*syllables
= NULL
;
2400 int syllable_count
= 0;
2402 if (*pcGlyphs
!= cChars
)
2404 ERR("Number of Glyphs and Chars need to match at the beginning\n");
2408 input
= HeapAlloc(GetProcessHeap(),0,sizeof(WCHAR
) * (cChars
* 3));
2410 memcpy(input
, pwcChars
, cChars
* sizeof(WCHAR
));
2412 /* Step 1: Decompose multi part vowels */
2413 DecomposeVowels(hdc
, input
, &cCount
, Sinhala_vowels
, pwLogClust
);
2415 TRACE("New double vowel expanded string %s (%i)\n",debugstr_wn(input
,cCount
),cCount
);
2417 /* Step 2: Reorder within Syllables */
2418 Indic_ReorderCharacters( hdc
, psa
, psc
, input
, cCount
, &syllables
, &syllable_count
, sinhala_lex
, Reorder_Like_Sinhala
, TRUE
);
2419 TRACE("reordered string %s\n",debugstr_wn(input
,cCount
));
2421 /* Step 3: Strip dangling joiners */
2422 for (i
= 0; i
< cCount
; i
++)
2424 if ((input
[i
] == 0x200D || input
[i
] == 0x200C) &&
2425 (i
== 0 || input
[i
-1] == 0x0020 || i
== cCount
-1 || input
[i
+1] == 0x0020))
2429 /* Step 4: Base Form application to syllables */
2430 GetGlyphIndicesW(hdc
, input
, cCount
, pwOutGlyphs
, 0);
2432 ShapeIndicSyllables(hdc
, psc
, psa
, input
, cChars
, syllables
, syllable_count
, pwOutGlyphs
, pcGlyphs
, pwLogClust
, sinhala_lex
, NULL
, TRUE
);
2434 HeapFree(GetProcessHeap(),0,input
);
2435 HeapFree(GetProcessHeap(),0,syllables
);
2438 static int devanagari_lex(WCHAR c
)
2442 case 0x0930: return lex_Ra
;
2444 return unicode_lex(c
);
2448 static const ConsonantComponents Devanagari_consonants
[] ={
2449 {{0x0928, 0x093C, 0x00000}, 0x0929},
2450 {{0x0930, 0x093C, 0x00000}, 0x0931},
2451 {{0x0933, 0x093C, 0x00000}, 0x0934},
2452 {{0x0915, 0x093C, 0x00000}, 0x0958},
2453 {{0x0916, 0x093C, 0x00000}, 0x0959},
2454 {{0x0917, 0x093C, 0x00000}, 0x095A},
2455 {{0x091C, 0x093C, 0x00000}, 0x095B},
2456 {{0x0921, 0x093C, 0x00000}, 0x095C},
2457 {{0x0922, 0x093C, 0x00000}, 0x095D},
2458 {{0x092B, 0x093C, 0x00000}, 0x095E},
2459 {{0x092F, 0x093C, 0x00000}, 0x095F}};
2461 static void ContextualShape_Devanagari(HDC hdc
, ScriptCache
*psc
, SCRIPT_ANALYSIS
*psa
, WCHAR
* pwcChars
, INT cChars
, WORD
* pwOutGlyphs
, INT
* pcGlyphs
, INT cMaxGlyphs
, WORD
*pwLogClust
)
2463 int cCount
= cChars
;
2465 IndicSyllable
*syllables
= NULL
;
2466 int syllable_count
= 0;
2467 BOOL modern
= get_GSUB_Indic2(psa
, psc
);
2469 if (*pcGlyphs
!= cChars
)
2471 ERR("Number of Glyphs and Chars need to match at the beginning\n");
2475 input
= HeapAlloc(GetProcessHeap(), 0, cChars
* sizeof(WCHAR
));
2476 memcpy(input
, pwcChars
, cChars
* sizeof(WCHAR
));
2478 /* Step 1: Compose Consonant and Nukta */
2479 ComposeConsonants(hdc
, input
, &cCount
, Devanagari_consonants
, pwLogClust
);
2480 TRACE("New composed string %s (%i)\n",debugstr_wn(input
,cCount
),cCount
);
2482 /* Step 2: Reorder within Syllables */
2483 Indic_ReorderCharacters( hdc
, psa
, psc
, input
, cCount
, &syllables
, &syllable_count
, devanagari_lex
, Reorder_Like_Devanagari
, modern
);
2484 TRACE("reordered string %s\n",debugstr_wn(input
,cCount
));
2485 GetGlyphIndicesW(hdc
, input
, cCount
, pwOutGlyphs
, 0);
2488 /* Step 3: Base Form application to syllables */
2489 ShapeIndicSyllables(hdc
, psc
, psa
, input
, cChars
, syllables
, syllable_count
, pwOutGlyphs
, pcGlyphs
, pwLogClust
, devanagari_lex
, NULL
, modern
);
2491 HeapFree(GetProcessHeap(),0,input
);
2492 HeapFree(GetProcessHeap(),0,syllables
);
2495 static int bengali_lex(WCHAR c
)
2499 case 0x09B0: return lex_Ra
;
2501 return unicode_lex(c
);
2505 static const VowelComponents Bengali_vowels
[] = {
2506 {0x09CB, {0x09C7,0x09BE,0x0000}},
2507 {0x09CC, {0x09C7,0x09D7,0x0000}},
2508 {0x0000, {0x0000,0x0000,0x0000}}};
2510 static const ConsonantComponents Bengali_consonants
[] = {
2511 {{0x09A4,0x09CD,0x200D}, 0x09CE},
2512 {{0x09A1,0x09BC,0x0000}, 0x09DC},
2513 {{0x09A2,0x09BC,0x0000}, 0x09DD},
2514 {{0x09AF,0x09BC,0x0000}, 0x09DF},
2515 {{0x0000,0x0000,0x0000}, 0x0000}};
2517 static void ContextualShape_Bengali(HDC hdc
, ScriptCache
*psc
, SCRIPT_ANALYSIS
*psa
, WCHAR
* pwcChars
, INT cChars
, WORD
* pwOutGlyphs
, INT
* pcGlyphs
, INT cMaxGlyphs
, WORD
*pwLogClust
)
2519 int cCount
= cChars
;
2521 IndicSyllable
*syllables
= NULL
;
2522 int syllable_count
= 0;
2523 BOOL modern
= get_GSUB_Indic2(psa
, psc
);
2525 if (*pcGlyphs
!= cChars
)
2527 ERR("Number of Glyphs and Chars need to match at the beginning\n");
2531 input
= HeapAlloc(GetProcessHeap(), 0, (cChars
* 2) * sizeof(WCHAR
));
2532 memcpy(input
, pwcChars
, cChars
* sizeof(WCHAR
));
2534 /* Step 1: Decompose Vowels and Compose Consonents */
2535 DecomposeVowels(hdc
, input
, &cCount
, Bengali_vowels
, pwLogClust
);
2536 ComposeConsonants(hdc
, input
, &cCount
, Bengali_consonants
, pwLogClust
);
2537 TRACE("New composed string %s (%i)\n",debugstr_wn(input
,cCount
),cCount
);
2539 /* Step 2: Reorder within Syllables */
2540 Indic_ReorderCharacters( hdc
, psa
, psc
, input
, cCount
, &syllables
, &syllable_count
, bengali_lex
, Reorder_Like_Bengali
, modern
);
2541 TRACE("reordered string %s\n",debugstr_wn(input
,cCount
));
2542 GetGlyphIndicesW(hdc
, input
, cCount
, pwOutGlyphs
, 0);
2545 /* Step 3: Initial form is only applied to the beginning of words */
2546 for (cCount
= cCount
- 1 ; cCount
>= 0; cCount
--)
2548 if (cCount
== 0 || input
[cCount
] == 0x0020) /* space */
2552 if (index
> 0) index
++;
2554 apply_GSUB_feature_to_glyph(hdc
, psa
, psc
, &pwOutGlyphs
[index
], 0, 1, &gCount
, "init");
2558 /* Step 4: Base Form application to syllables */
2559 ShapeIndicSyllables(hdc
, psc
, psa
, input
, cChars
, syllables
, syllable_count
, pwOutGlyphs
, pcGlyphs
, pwLogClust
, bengali_lex
, NULL
, modern
);
2561 HeapFree(GetProcessHeap(),0,input
);
2562 HeapFree(GetProcessHeap(),0,syllables
);
2565 static int gurmukhi_lex(WCHAR c
)
2567 return unicode_lex(c
);
2570 static const ConsonantComponents Gurmukhi_consonants
[] = {
2571 {{0x0A32,0x0A3C,0x0000}, 0x0A33},
2572 {{0x0A38,0x0A3C,0x0000}, 0x0A36},
2573 {{0x0A16,0x0A3C,0x0000}, 0x0A59},
2574 {{0x0A17,0x0A3C,0x0000}, 0x0A5A},
2575 {{0x0A1C,0x0A3C,0x0000}, 0x0A5B},
2576 {{0x0A2B,0x0A3C,0x0000}, 0x0A5E},
2577 {{0x0000,0x0000,0x0000}, 0x0000}};
2579 static void ContextualShape_Gurmukhi(HDC hdc
, ScriptCache
*psc
, SCRIPT_ANALYSIS
*psa
, WCHAR
* pwcChars
, INT cChars
, WORD
* pwOutGlyphs
, INT
* pcGlyphs
, INT cMaxGlyphs
, WORD
*pwLogClust
)
2581 int cCount
= cChars
;
2583 IndicSyllable
*syllables
= NULL
;
2584 int syllable_count
= 0;
2585 BOOL modern
= get_GSUB_Indic2(psa
, psc
);
2587 if (*pcGlyphs
!= cChars
)
2589 ERR("Number of Glyphs and Chars need to match at the beginning\n");
2593 input
= HeapAlloc(GetProcessHeap(), 0, cChars
* sizeof(WCHAR
));
2594 memcpy(input
, pwcChars
, cChars
* sizeof(WCHAR
));
2596 /* Step 1: Compose Consonents */
2597 ComposeConsonants(hdc
, input
, &cCount
, Gurmukhi_consonants
, pwLogClust
);
2598 TRACE("New composed string %s (%i)\n",debugstr_wn(input
,cCount
),cCount
);
2600 /* Step 2: Reorder within Syllables */
2601 Indic_ReorderCharacters( hdc
, psa
, psc
, input
, cCount
, &syllables
, &syllable_count
, gurmukhi_lex
, Reorder_Like_Bengali
, modern
);
2602 TRACE("reordered string %s\n",debugstr_wn(input
,cCount
));
2603 GetGlyphIndicesW(hdc
, input
, cCount
, pwOutGlyphs
, 0);
2606 /* Step 3: Base Form application to syllables */
2607 ShapeIndicSyllables(hdc
, psc
, psa
, input
, cChars
, syllables
, syllable_count
, pwOutGlyphs
, pcGlyphs
, pwLogClust
, gurmukhi_lex
, NULL
, modern
);
2609 HeapFree(GetProcessHeap(),0,input
);
2610 HeapFree(GetProcessHeap(),0,syllables
);
2613 static int gujarati_lex(WCHAR c
)
2617 case 0x0AB0: return lex_Ra
;
2619 return unicode_lex(c
);
2623 static void ContextualShape_Gujarati(HDC hdc
, ScriptCache
*psc
, SCRIPT_ANALYSIS
*psa
, WCHAR
* pwcChars
, INT cChars
, WORD
* pwOutGlyphs
, INT
* pcGlyphs
, INT cMaxGlyphs
, WORD
*pwLogClust
)
2625 int cCount
= cChars
;
2627 IndicSyllable
*syllables
= NULL
;
2628 int syllable_count
= 0;
2629 BOOL modern
= get_GSUB_Indic2(psa
, psc
);
2631 if (*pcGlyphs
!= cChars
)
2633 ERR("Number of Glyphs and Chars need to match at the beginning\n");
2637 input
= HeapAlloc(GetProcessHeap(), 0, cChars
* sizeof(WCHAR
));
2638 memcpy(input
, pwcChars
, cChars
* sizeof(WCHAR
));
2640 /* Step 1: Reorder within Syllables */
2641 Indic_ReorderCharacters( hdc
, psa
, psc
, input
, cCount
, &syllables
, &syllable_count
, gujarati_lex
, Reorder_Like_Devanagari
, modern
);
2642 TRACE("reordered string %s\n",debugstr_wn(input
,cCount
));
2643 GetGlyphIndicesW(hdc
, input
, cCount
, pwOutGlyphs
, 0);
2646 /* Step 2: Base Form application to syllables */
2647 ShapeIndicSyllables(hdc
, psc
, psa
, input
, cChars
, syllables
, syllable_count
, pwOutGlyphs
, pcGlyphs
, pwLogClust
, gujarati_lex
, NULL
, modern
);
2649 HeapFree(GetProcessHeap(),0,input
);
2650 HeapFree(GetProcessHeap(),0,syllables
);
2653 static int oriya_lex(WCHAR c
)
2657 case 0x0B30: return lex_Ra
;
2659 return unicode_lex(c
);
2663 static const VowelComponents Oriya_vowels
[] = {
2664 {0x0B48, {0x0B47,0x0B56,0x0000}},
2665 {0x0B4B, {0x0B47,0x0B3E,0x0000}},
2666 {0x0B4C, {0x0B47,0x0B57,0x0000}},
2667 {0x0000, {0x0000,0x0000,0x0000}}};
2669 static const ConsonantComponents Oriya_consonants
[] = {
2670 {{0x0B21,0x0B3C,0x0000}, 0x0B5C},
2671 {{0x0B22,0x0B3C,0x0000}, 0x0B5D},
2672 {{0x0000,0x0000,0x0000}, 0x0000}};
2674 static void ContextualShape_Oriya(HDC hdc
, ScriptCache
*psc
, SCRIPT_ANALYSIS
*psa
, WCHAR
* pwcChars
, INT cChars
, WORD
* pwOutGlyphs
, INT
* pcGlyphs
, INT cMaxGlyphs
, WORD
*pwLogClust
)
2676 int cCount
= cChars
;
2678 IndicSyllable
*syllables
= NULL
;
2679 int syllable_count
= 0;
2680 BOOL modern
= get_GSUB_Indic2(psa
, psc
);
2682 if (*pcGlyphs
!= cChars
)
2684 ERR("Number of Glyphs and Chars need to match at the beginning\n");
2688 input
= HeapAlloc(GetProcessHeap(), 0, (cChars
*2) * sizeof(WCHAR
));
2689 memcpy(input
, pwcChars
, cChars
* sizeof(WCHAR
));
2691 /* Step 1: Decompose Vowels and Compose Consonents */
2692 DecomposeVowels(hdc
, input
, &cCount
, Oriya_vowels
, pwLogClust
);
2693 ComposeConsonants(hdc
, input
, &cCount
, Oriya_consonants
, pwLogClust
);
2694 TRACE("New composed string %s (%i)\n",debugstr_wn(input
,cCount
),cCount
);
2696 /* Step 2: Reorder within Syllables */
2697 Indic_ReorderCharacters( hdc
, psa
, psc
, input
, cCount
, &syllables
, &syllable_count
, oriya_lex
, Reorder_Like_Bengali
, modern
);
2698 TRACE("reordered string %s\n",debugstr_wn(input
,cCount
));
2699 GetGlyphIndicesW(hdc
, input
, cCount
, pwOutGlyphs
, 0);
2702 /* Step 3: Base Form application to syllables */
2703 ShapeIndicSyllables(hdc
, psc
, psa
, input
, cChars
, syllables
, syllable_count
, pwOutGlyphs
, pcGlyphs
, pwLogClust
, oriya_lex
, NULL
, modern
);
2705 HeapFree(GetProcessHeap(),0,input
);
2706 HeapFree(GetProcessHeap(),0,syllables
);
2709 static int tamil_lex(WCHAR c
)
2711 return unicode_lex(c
);
2714 static const VowelComponents Tamil_vowels
[] = {
2715 {0x0BCA, {0x0BC6,0x0BBE,0x0000}},
2716 {0x0BCB, {0x0BC7,0x0BBE,0x0000}},
2717 {0x0BCB, {0x0BC6,0x0BD7,0x0000}},
2718 {0x0000, {0x0000,0x0000,0x0000}}};
2720 static const ConsonantComponents Tamil_consonants
[] = {
2721 {{0x0B92,0x0BD7,0x0000}, 0x0B94},
2722 {{0x0000,0x0000,0x0000}, 0x0000}};
2724 static void ContextualShape_Tamil(HDC hdc
, ScriptCache
*psc
, SCRIPT_ANALYSIS
*psa
, WCHAR
* pwcChars
, INT cChars
, WORD
* pwOutGlyphs
, INT
* pcGlyphs
, INT cMaxGlyphs
, WORD
*pwLogClust
)
2726 int cCount
= cChars
;
2728 IndicSyllable
*syllables
= NULL
;
2729 int syllable_count
= 0;
2730 BOOL modern
= get_GSUB_Indic2(psa
, psc
);
2732 if (*pcGlyphs
!= cChars
)
2734 ERR("Number of Glyphs and Chars need to match at the beginning\n");
2738 input
= HeapAlloc(GetProcessHeap(), 0, (cChars
*2) * sizeof(WCHAR
));
2739 memcpy(input
, pwcChars
, cChars
* sizeof(WCHAR
));
2741 /* Step 1: Decompose Vowels and Compose Consonents */
2742 DecomposeVowels(hdc
, input
, &cCount
, Tamil_vowels
, pwLogClust
);
2743 ComposeConsonants(hdc
, input
, &cCount
, Tamil_consonants
, pwLogClust
);
2744 TRACE("New composed string %s (%i)\n",debugstr_wn(input
,cCount
),cCount
);
2746 /* Step 2: Reorder within Syllables */
2747 Indic_ReorderCharacters( hdc
, psa
, psc
, input
, cCount
, &syllables
, &syllable_count
, tamil_lex
, Reorder_Like_Bengali
, modern
);
2748 TRACE("reordered string %s\n",debugstr_wn(input
,cCount
));
2749 GetGlyphIndicesW(hdc
, input
, cCount
, pwOutGlyphs
, 0);
2752 /* Step 3: Base Form application to syllables */
2753 ShapeIndicSyllables(hdc
, psc
, psa
, input
, cChars
, syllables
, syllable_count
, pwOutGlyphs
, pcGlyphs
, pwLogClust
, tamil_lex
, SecondReorder_Like_Tamil
, modern
);
2755 HeapFree(GetProcessHeap(),0,input
);
2756 HeapFree(GetProcessHeap(),0,syllables
);
2759 static int telugu_lex(WCHAR c
)
2764 case 0x0C44: return lex_Modifier
;
2766 return unicode_lex(c
);
2770 static const VowelComponents Telugu_vowels
[] = {
2771 {0x0C48, {0x0C46,0x0C56,0x0000}},
2772 {0x0000, {0x0000,0x0000,0x0000}}};
2774 static void ContextualShape_Telugu(HDC hdc
, ScriptCache
*psc
, SCRIPT_ANALYSIS
*psa
, WCHAR
* pwcChars
, INT cChars
, WORD
* pwOutGlyphs
, INT
* pcGlyphs
, INT cMaxGlyphs
, WORD
*pwLogClust
)
2776 int cCount
= cChars
;
2778 IndicSyllable
*syllables
= NULL
;
2779 int syllable_count
= 0;
2780 BOOL modern
= get_GSUB_Indic2(psa
, psc
);
2782 if (*pcGlyphs
!= cChars
)
2784 ERR("Number of Glyphs and Chars need to match at the beginning\n");
2788 input
= HeapAlloc(GetProcessHeap(), 0, (cChars
*2) * sizeof(WCHAR
));
2789 memcpy(input
, pwcChars
, cChars
* sizeof(WCHAR
));
2791 /* Step 1: Decompose Vowels */
2792 DecomposeVowels(hdc
, input
, &cCount
, Telugu_vowels
, pwLogClust
);
2793 TRACE("New composed string %s (%i)\n",debugstr_wn(input
,cCount
),cCount
);
2795 /* Step 2: Reorder within Syllables */
2796 Indic_ReorderCharacters( hdc
, psa
, psc
, input
, cCount
, &syllables
, &syllable_count
, telugu_lex
, Reorder_Like_Bengali
, modern
);
2797 TRACE("reordered string %s\n",debugstr_wn(input
,cCount
));
2798 GetGlyphIndicesW(hdc
, input
, cCount
, pwOutGlyphs
, 0);
2801 /* Step 3: Base Form application to syllables */
2802 ShapeIndicSyllables(hdc
, psc
, psa
, input
, cChars
, syllables
, syllable_count
, pwOutGlyphs
, pcGlyphs
, pwLogClust
, telugu_lex
, SecondReorder_Like_Telugu
, modern
);
2804 HeapFree(GetProcessHeap(),0,input
);
2805 HeapFree(GetProcessHeap(),0,syllables
);
2808 static int kannada_lex(WCHAR c
)
2812 case 0x0CB0: return lex_Ra
;
2814 return unicode_lex(c
);
2818 static const VowelComponents Kannada_vowels
[] = {
2819 {0x0CC0, {0x0CBF,0x0CD5,0x0000}},
2820 {0x0CC7, {0x0CC6,0x0CD5,0x0000}},
2821 {0x0CC8, {0x0CC6,0x0CD6,0x0000}},
2822 {0x0CCA, {0x0CC6,0x0CC2,0x0000}},
2823 {0x0CCB, {0x0CC6,0x0CC2,0x0CD5}},
2824 {0x0000, {0x0000,0x0000,0x0000}}};
2826 static void ContextualShape_Kannada(HDC hdc
, ScriptCache
*psc
, SCRIPT_ANALYSIS
*psa
, WCHAR
* pwcChars
, INT cChars
, WORD
* pwOutGlyphs
, INT
* pcGlyphs
, INT cMaxGlyphs
, WORD
*pwLogClust
)
2828 int cCount
= cChars
;
2830 IndicSyllable
*syllables
= NULL
;
2831 int syllable_count
= 0;
2832 BOOL modern
= get_GSUB_Indic2(psa
, psc
);
2834 if (*pcGlyphs
!= cChars
)
2836 ERR("Number of Glyphs and Chars need to match at the beginning\n");
2840 input
= HeapAlloc(GetProcessHeap(), 0, (cChars
*3) * sizeof(WCHAR
));
2841 memcpy(input
, pwcChars
, cChars
* sizeof(WCHAR
));
2843 /* Step 1: Decompose Vowels */
2844 DecomposeVowels(hdc
, input
, &cCount
, Kannada_vowels
, pwLogClust
);
2845 TRACE("New composed string %s (%i)\n",debugstr_wn(input
,cCount
),cCount
);
2847 /* Step 2: Reorder within Syllables */
2848 Indic_ReorderCharacters( hdc
, psa
, psc
, input
, cCount
, &syllables
, &syllable_count
, kannada_lex
, Reorder_Like_Kannada
, modern
);
2849 TRACE("reordered string %s\n",debugstr_wn(input
,cCount
));
2850 GetGlyphIndicesW(hdc
, input
, cCount
, pwOutGlyphs
, 0);
2853 /* Step 3: Base Form application to syllables */
2854 ShapeIndicSyllables(hdc
, psc
, psa
, input
, cChars
, syllables
, syllable_count
, pwOutGlyphs
, pcGlyphs
, pwLogClust
, kannada_lex
, SecondReorder_Like_Telugu
, modern
);
2856 HeapFree(GetProcessHeap(),0,input
);
2857 HeapFree(GetProcessHeap(),0,syllables
);
2860 static int malayalam_lex(WCHAR c
)
2862 return unicode_lex(c
);
2865 static const VowelComponents Malayalam_vowels
[] = {
2866 {0x0D4A, {0x0D46,0x0D3E,0x0000}},
2867 {0x0D4B, {0x0D47,0x0D3E,0x0000}},
2868 {0x0D4C, {0x0D46,0x0D57,0x0000}},
2869 {0x0000, {0x0000,0x0000,0x0000}}};
2871 static void ContextualShape_Malayalam(HDC hdc
, ScriptCache
*psc
, SCRIPT_ANALYSIS
*psa
, WCHAR
* pwcChars
, INT cChars
, WORD
* pwOutGlyphs
, INT
* pcGlyphs
, INT cMaxGlyphs
, WORD
*pwLogClust
)
2873 int cCount
= cChars
;
2875 IndicSyllable
*syllables
= NULL
;
2876 int syllable_count
= 0;
2877 BOOL modern
= get_GSUB_Indic2(psa
, psc
);
2879 if (*pcGlyphs
!= cChars
)
2881 ERR("Number of Glyphs and Chars need to match at the beginning\n");
2885 input
= HeapAlloc(GetProcessHeap(), 0, (cChars
*2) * sizeof(WCHAR
));
2886 memcpy(input
, pwcChars
, cChars
* sizeof(WCHAR
));
2888 /* Step 1: Decompose Vowels */
2889 DecomposeVowels(hdc
, input
, &cCount
, Malayalam_vowels
, pwLogClust
);
2890 TRACE("New composed string %s (%i)\n",debugstr_wn(input
,cCount
),cCount
);
2892 /* Step 2: Reorder within Syllables */
2893 Indic_ReorderCharacters( hdc
, psa
, psc
, input
, cCount
, &syllables
, &syllable_count
, malayalam_lex
, Reorder_Like_Devanagari
, modern
);
2894 TRACE("reordered string %s\n",debugstr_wn(input
,cCount
));
2895 GetGlyphIndicesW(hdc
, input
, cCount
, pwOutGlyphs
, 0);
2898 /* Step 3: Base Form application to syllables */
2899 ShapeIndicSyllables(hdc
, psc
, psa
, input
, cChars
, syllables
, syllable_count
, pwOutGlyphs
, pcGlyphs
, pwLogClust
, malayalam_lex
, SecondReorder_Like_Tamil
, modern
);
2901 HeapFree(GetProcessHeap(),0,input
);
2902 HeapFree(GetProcessHeap(),0,syllables
);
2905 static void ShapeCharGlyphProp_Default( 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
)
2909 for (i
= 0; i
< cGlyphs
; i
++)
2914 for (k
= 0; k
< cChars
; k
++)
2916 if (pwLogClust
[k
] == i
)
2918 char_index
[char_count
] = k
;
2923 if (char_count
== 0)
2925 FIXME("No chars in this glyph? Must be an error\n");
2929 if (char_count
==1 && pwcChars
[char_index
[0]] == 0x0020) /* space */
2931 pGlyphProp
[i
].sva
.uJustification
= SCRIPT_JUSTIFY_BLANK
;
2932 pCharProp
[char_index
[0]].fCanGlyphAlone
= 1;
2935 pGlyphProp
[i
].sva
.uJustification
= SCRIPT_JUSTIFY_CHARACTER
;
2938 GDEF_UpdateGlyphProps(hdc
, psc
, pwGlyphs
, cGlyphs
, pwLogClust
, pGlyphProp
);
2939 UpdateClustersFromGlyphProp(cGlyphs
, cChars
, pwLogClust
, pGlyphProp
);
2942 static void ShapeCharGlyphProp_Arabic( 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
)
2945 int initGlyph
, finaGlyph
;
2949 spaces
= HeapAlloc(GetProcessHeap(),0,cGlyphs
);
2950 memset(spaces
,0,cGlyphs
);
2952 if (!psa
->fLogicalOrder
&& psa
->fRTL
)
2954 initGlyph
= cGlyphs
-1;
2962 finaGlyph
= cGlyphs
-1;
2967 for (i
= 0; i
< cGlyphs
; i
++)
2969 for (k
= 0; k
< cChars
; k
++)
2970 if (pwLogClust
[k
] == i
)
2972 if (pwcChars
[k
] == 0x0020)
2977 for (i
= 0; i
< cGlyphs
; i
++)
2981 BOOL isInit
, isFinal
;
2983 for (k
= 0; k
< cChars
; k
++)
2985 if (pwLogClust
[k
] == i
)
2987 char_index
[char_count
] = k
;
2992 isInit
= (i
== initGlyph
|| (i
+dirR
> 0 && i
+dirR
< cGlyphs
&& spaces
[i
+dirR
]));
2993 isFinal
= (i
== finaGlyph
|| (i
+dirL
> 0 && i
+dirL
< cGlyphs
&& spaces
[i
+dirL
]));
2995 if (char_count
== 0)
2997 FIXME("No chars in this glyph? Must be an error\n");
3001 if (char_count
== 1)
3003 if (pwcChars
[char_index
[0]] == 0x0020) /* space */
3005 pGlyphProp
[i
].sva
.uJustification
= SCRIPT_JUSTIFY_ARABIC_BLANK
;
3006 pCharProp
[char_index
[0]].fCanGlyphAlone
= 1;
3008 else if (pwcChars
[char_index
[0]] == 0x0640) /* kashida */
3009 pGlyphProp
[i
].sva
.uJustification
= SCRIPT_JUSTIFY_ARABIC_KASHIDA
;
3010 else if (pwcChars
[char_index
[0]] == 0x0633) /* SEEN */
3012 if (!isInit
&& !isFinal
)
3013 pGlyphProp
[i
].sva
.uJustification
= SCRIPT_JUSTIFY_ARABIC_SEEN_M
;
3015 pGlyphProp
[i
].sva
.uJustification
= SCRIPT_JUSTIFY_ARABIC_SEEN
;
3017 pGlyphProp
[i
].sva
.uJustification
= SCRIPT_JUSTIFY_NONE
;
3021 if (pwcChars
[char_index
[0]] == 0x0628 ) /* BA */
3022 pGlyphProp
[i
].sva
.uJustification
= SCRIPT_JUSTIFY_ARABIC_BA
;
3023 else if (pwcChars
[char_index
[0]] == 0x0631 ) /* RA */
3024 pGlyphProp
[i
].sva
.uJustification
= SCRIPT_JUSTIFY_ARABIC_RA
;
3025 else if (pwcChars
[char_index
[0]] == 0x0647 ) /* HA */
3026 pGlyphProp
[i
].sva
.uJustification
= SCRIPT_JUSTIFY_ARABIC_HA
;
3027 else if ((pwcChars
[char_index
[0]] == 0x0627 || pwcChars
[char_index
[0]] == 0x0625 || pwcChars
[char_index
[0]] == 0x0623 || pwcChars
[char_index
[0]] == 0x0622) ) /* alef-like */
3028 pGlyphProp
[i
].sva
.uJustification
= SCRIPT_JUSTIFY_ARABIC_ALEF
;
3030 pGlyphProp
[i
].sva
.uJustification
= SCRIPT_JUSTIFY_NONE
;
3032 else if (!isInit
&& !isFinal
)
3033 pGlyphProp
[i
].sva
.uJustification
= SCRIPT_JUSTIFY_ARABIC_NORMAL
;
3035 pGlyphProp
[i
].sva
.uJustification
= SCRIPT_JUSTIFY_NONE
;
3037 else if (char_count
== 2)
3039 if ((pwcChars
[char_index
[0]] == 0x0628 && pwcChars
[char_index
[1]]== 0x0631) || (pwcChars
[char_index
[0]] == 0x0631 && pwcChars
[char_index
[1]]== 0x0628)) /* BA+RA */
3040 pGlyphProp
[i
].sva
.uJustification
= SCRIPT_JUSTIFY_ARABIC_BARA
;
3042 pGlyphProp
[i
].sva
.uJustification
= SCRIPT_JUSTIFY_ARABIC_NORMAL
;
3044 pGlyphProp
[i
].sva
.uJustification
= SCRIPT_JUSTIFY_NONE
;
3046 else if (!isInit
&& !isFinal
)
3047 pGlyphProp
[i
].sva
.uJustification
= SCRIPT_JUSTIFY_ARABIC_NORMAL
;
3049 pGlyphProp
[i
].sva
.uJustification
= SCRIPT_JUSTIFY_NONE
;
3052 GDEF_UpdateGlyphProps(hdc
, psc
, pwGlyphs
, cGlyphs
, pwLogClust
, pGlyphProp
);
3053 UpdateClustersFromGlyphProp(cGlyphs
, cChars
, pwLogClust
, pGlyphProp
);
3054 HeapFree(GetProcessHeap(),0,spaces
);
3057 static void ShapeCharGlyphProp_Thai( 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
)
3064 spaces
= HeapAlloc(GetProcessHeap(),0,cGlyphs
);
3065 memset(spaces
,0,cGlyphs
);
3067 if (!psa
->fLogicalOrder
&& psa
->fRTL
)
3074 finaGlyph
= cGlyphs
-1;
3078 for (i
= 0; i
< cGlyphs
; i
++)
3080 for (k
= 0; k
< cChars
; k
++)
3081 if (pwLogClust
[k
] == i
)
3083 if (pwcChars
[k
] == 0x0020)
3088 for (i
= 0; i
< cGlyphs
; i
++)
3093 for (k
= 0; k
< cChars
; k
++)
3095 if (pwLogClust
[k
] == i
)
3097 char_index
[char_count
] = k
;
3102 if (char_count
== 0)
3104 FIXME("No chars in this glyph? Must be an error\n");
3108 if (char_count
==1 && pwcChars
[char_index
[0]] == 0x0020) /* space */
3110 pGlyphProp
[i
].sva
.uJustification
= SCRIPT_JUSTIFY_CHARACTER
;
3111 pCharProp
[char_index
[0]].fCanGlyphAlone
= 1;
3113 else if (i
== finaGlyph
)
3114 pGlyphProp
[i
].sva
.uJustification
= SCRIPT_JUSTIFY_NONE
;
3116 pGlyphProp
[i
].sva
.uJustification
= SCRIPT_JUSTIFY_CHARACTER
;
3119 HeapFree(GetProcessHeap(),0,spaces
);
3120 GDEF_UpdateGlyphProps(hdc
, psc
, pwGlyphs
, cGlyphs
, pwLogClust
, pGlyphProp
);
3121 UpdateClustersFromGlyphProp(cGlyphs
, cChars
, pwLogClust
, pGlyphProp
);
3123 /* Do not allow justification between marks and their base */
3124 for (i
= 0; i
< cGlyphs
; i
++)
3126 if (!pGlyphProp
[i
].sva
.fClusterStart
)
3127 pGlyphProp
[i
-dirL
].sva
.uJustification
= SCRIPT_JUSTIFY_NONE
;
3131 static void ShapeCharGlyphProp_None( 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
)
3135 for (i
= 0; i
< cGlyphs
; i
++)
3140 for (k
= 0; k
< cChars
; k
++)
3142 if (pwLogClust
[k
] == i
)
3144 char_index
[char_count
] = k
;
3149 if (char_count
== 0)
3151 FIXME("No chars in this glyph? Must be an error\n");
3155 if (char_count
==1 && pwcChars
[char_index
[0]] == 0x0020) /* space */
3157 pGlyphProp
[i
].sva
.uJustification
= SCRIPT_JUSTIFY_CHARACTER
;
3158 pCharProp
[char_index
[0]].fCanGlyphAlone
= 1;
3161 pGlyphProp
[i
].sva
.uJustification
= SCRIPT_JUSTIFY_NONE
;
3163 GDEF_UpdateGlyphProps(hdc
, psc
, pwGlyphs
, cGlyphs
, pwLogClust
, pGlyphProp
);
3164 UpdateClustersFromGlyphProp(cGlyphs
, cChars
, pwLogClust
, pGlyphProp
);
3167 static void ShapeCharGlyphProp_Tibet( 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
)
3171 for (i
= 0; i
< cGlyphs
; i
++)
3176 for (k
= 0; k
< cChars
; k
++)
3178 if (pwLogClust
[k
] == i
)
3180 char_index
[char_count
] = k
;
3185 if (char_count
== 0)
3187 FIXME("No chars in this glyph? Must be an error\n");
3191 if (char_count
==1 && pwcChars
[char_index
[0]] == 0x0020) /* space */
3193 pGlyphProp
[i
].sva
.uJustification
= SCRIPT_JUSTIFY_BLANK
;
3194 pCharProp
[char_index
[0]].fCanGlyphAlone
= 1;
3197 pGlyphProp
[i
].sva
.uJustification
= SCRIPT_JUSTIFY_NONE
;
3199 GDEF_UpdateGlyphProps(hdc
, psc
, pwGlyphs
, cGlyphs
, pwLogClust
, pGlyphProp
);
3200 UpdateClustersFromGlyphProp(cGlyphs
, cChars
, pwLogClust
, pGlyphProp
);
3202 /* Tibeten script does not set sva.fDiacritic or sva.fZeroWidth */
3203 for (i
= 0; i
< cGlyphs
; i
++)
3205 if (!pGlyphProp
[i
].sva
.fClusterStart
)
3207 pGlyphProp
[i
].sva
.fDiacritic
= 0;
3208 pGlyphProp
[i
].sva
.fZeroWidth
= 0;
3213 static void ShapeCharGlyphProp_BaseIndic( 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
, lexical_function lexical
)
3217 for (i
= 0; i
< cGlyphs
; i
++)
3222 for (k
= 0; k
< cChars
; k
++)
3224 if (pwLogClust
[k
] == i
)
3226 char_index
[char_count
] = k
;
3231 if (char_count
== 0)
3233 FIXME("No chars in this glyph? Must be an error\n");
3237 if (char_count
==1 && pwcChars
[char_index
[0]] == 0x0020) /* space */
3239 pGlyphProp
[i
].sva
.uJustification
= SCRIPT_JUSTIFY_BLANK
;
3240 pCharProp
[char_index
[0]].fCanGlyphAlone
= 1;
3243 pGlyphProp
[i
].sva
.uJustification
= SCRIPT_JUSTIFY_NONE
;
3245 pGlyphProp
[i
].sva
.fClusterStart
= 0;
3246 for (k
= 0; k
< char_count
&& !pGlyphProp
[i
].sva
.fClusterStart
; k
++)
3247 switch (lexical(pwcChars
[char_index
[k
]]))
3250 case lex_Matra_post
:
3251 case lex_Matra_above
:
3252 case lex_Matra_below
:
3256 pGlyphProp
[i
].sva
.fClusterStart
= 1;
3260 UpdateClustersFromGlyphProp(cGlyphs
, cChars
, pwLogClust
, pGlyphProp
);
3263 static void ShapeCharGlyphProp_Devanagari( 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
)
3265 ShapeCharGlyphProp_BaseIndic(hdc
, psc
, psa
, pwcChars
, cChars
, pwGlyphs
, cGlyphs
, pwLogClust
, pCharProp
, pGlyphProp
, devanagari_lex
);
3268 static void ShapeCharGlyphProp_Bengali( 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
)
3270 ShapeCharGlyphProp_BaseIndic(hdc
, psc
, psa
, pwcChars
, cChars
, pwGlyphs
, cGlyphs
, pwLogClust
, pCharProp
, pGlyphProp
, bengali_lex
);
3273 static void ShapeCharGlyphProp_Gurmukhi( 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
)
3275 ShapeCharGlyphProp_BaseIndic(hdc
, psc
, psa
, pwcChars
, cChars
, pwGlyphs
, cGlyphs
, pwLogClust
, pCharProp
, pGlyphProp
, gurmukhi_lex
);
3278 static void ShapeCharGlyphProp_Gujarati( 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
)
3280 ShapeCharGlyphProp_BaseIndic(hdc
, psc
, psa
, pwcChars
, cChars
, pwGlyphs
, cGlyphs
, pwLogClust
, pCharProp
, pGlyphProp
, gujarati_lex
);
3283 static void ShapeCharGlyphProp_Oriya( 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
)
3285 ShapeCharGlyphProp_BaseIndic(hdc
, psc
, psa
, pwcChars
, cChars
, pwGlyphs
, cGlyphs
, pwLogClust
, pCharProp
, pGlyphProp
, oriya_lex
);
3288 static void ShapeCharGlyphProp_Tamil( 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
)
3290 ShapeCharGlyphProp_BaseIndic(hdc
, psc
, psa
, pwcChars
, cChars
, pwGlyphs
, cGlyphs
, pwLogClust
, pCharProp
, pGlyphProp
, tamil_lex
);
3293 static void ShapeCharGlyphProp_Telugu( 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
)
3295 ShapeCharGlyphProp_BaseIndic(hdc
, psc
, psa
, pwcChars
, cChars
, pwGlyphs
, cGlyphs
, pwLogClust
, pCharProp
, pGlyphProp
, telugu_lex
);
3298 static void ShapeCharGlyphProp_Kannada( 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
)
3300 ShapeCharGlyphProp_BaseIndic(hdc
, psc
, psa
, pwcChars
, cChars
, pwGlyphs
, cGlyphs
, pwLogClust
, pCharProp
, pGlyphProp
, kannada_lex
);
3303 static void ShapeCharGlyphProp_Malayalam( 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
)
3305 ShapeCharGlyphProp_BaseIndic(hdc
, psc
, psa
, pwcChars
, cChars
, pwGlyphs
, cGlyphs
, pwLogClust
, pCharProp
, pGlyphProp
, malayalam_lex
);
3308 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
)
3310 if (ShapingData
[psa
->eScript
].charGlyphPropProc
)
3311 ShapingData
[psa
->eScript
].charGlyphPropProc(hdc
, psc
, psa
, pwcChars
, cChars
, pwGlyphs
, cGlyphs
, pwLogClust
, pCharProp
, pGlyphProp
);
3313 ShapeCharGlyphProp_Default(hdc
, psc
, psa
, pwcChars
, cChars
, pwGlyphs
, cGlyphs
, pwLogClust
, pCharProp
, pGlyphProp
);
3316 void SHAPE_ContextualShaping(HDC hdc
, ScriptCache
*psc
, SCRIPT_ANALYSIS
*psa
, WCHAR
* pwcChars
, INT cChars
, WORD
* pwOutGlyphs
, INT
* pcGlyphs
, INT cMaxGlyphs
, WORD
*pwLogClust
)
3318 if (ShapingData
[psa
->eScript
].contextProc
)
3319 ShapingData
[psa
->eScript
].contextProc(hdc
, psc
, psa
, pwcChars
, cChars
, pwOutGlyphs
, pcGlyphs
, cMaxGlyphs
, pwLogClust
);
3322 static void SHAPE_ApplyOpenTypeFeatures(HDC hdc
, ScriptCache
*psc
, SCRIPT_ANALYSIS
*psa
, WORD
* pwOutGlyphs
, INT
* pcGlyphs
, INT cMaxGlyphs
, INT cChars
, const TEXTRANGE_PROPERTIES
*rpRangeProperties
, WORD
*pwLogClust
)
3327 if (!rpRangeProperties
)
3330 if (!psc
->GSUB_Table
)
3331 psc
->GSUB_Table
= load_gsub_table(hdc
);
3333 if (!psc
->GSUB_Table
)
3336 if (!psa
->fLogicalOrder
&& psa
->fRTL
)
3341 for (i
= 0; i
< rpRangeProperties
->cotfRecords
; i
++)
3343 if (rpRangeProperties
->potfRecords
[i
].lParameter
> 0)
3344 apply_GSUB_feature(hdc
, psa
, psc
, pwOutGlyphs
, dirL
, pcGlyphs
, cChars
, (const char*)&rpRangeProperties
->potfRecords
[i
].tagFeature
, pwLogClust
);
3348 void SHAPE_ApplyDefaultOpentypeFeatures(HDC hdc
, ScriptCache
*psc
, SCRIPT_ANALYSIS
*psa
, WORD
* pwOutGlyphs
, INT
* pcGlyphs
, INT cMaxGlyphs
, INT cChars
, WORD
*pwLogClust
)
3350 const TEXTRANGE_PROPERTIES
*rpRangeProperties
;
3351 rpRangeProperties
= &ShapingData
[psa
->eScript
].defaultTextRange
;
3353 SHAPE_ApplyOpenTypeFeatures(hdc
, psc
, psa
, pwOutGlyphs
, pcGlyphs
, cMaxGlyphs
, cChars
, rpRangeProperties
, pwLogClust
);
3356 HRESULT
SHAPE_CheckFontForRequiredFeatures(HDC hdc
, ScriptCache
*psc
, SCRIPT_ANALYSIS
*psa
)
3358 const GSUB_Feature
*feature
;
3361 if (!ShapingData
[psa
->eScript
].requiredFeatures
)
3364 if (!psc
->GSUB_Table
)
3365 psc
->GSUB_Table
= load_gsub_table(hdc
);
3367 /* we need to have at least one of the required features */
3369 while (ShapingData
[psa
->eScript
].requiredFeatures
[i
])
3371 feature
= load_GSUB_feature(hdc
, psa
, psc
, ShapingData
[psa
->eScript
].requiredFeatures
[i
]);
3377 return USP_E_SCRIPT_NOT_IN_FONT
;