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_Sinhala( 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_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
);
66 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
);
67 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
);
68 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
);
69 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
);
70 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
);
71 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
);
72 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
);
73 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
);
75 extern const unsigned short indic_syllabic_table
[];
76 extern const unsigned short wine_shaping_table
[];
77 extern const unsigned short wine_shaping_forms
[LAST_ARABIC_CHAR
- FIRST_ARABIC_CHAR
+ 1][4];
99 #ifdef WORDS_BIGENDIAN
100 #define GET_BE_WORD(x) (x)
102 #define GET_BE_WORD(x) RtlUshortByteSwap(x)
105 /* These are all structures needed for the GSUB table */
106 #define GSUB_TAG MS_MAKE_TAG('G', 'S', 'U', 'B')
107 #define GSUB_E_NOFEATURE -2
108 #define GSUB_E_NOGLYPH -1
124 GSUB_ScriptRecord ScriptRecord
[1];
130 } GSUB_LangSysRecord
;
135 GSUB_LangSysRecord LangSysRecord
[1];
139 WORD LookupOrder
; /* Reserved */
140 WORD ReqFeatureIndex
;
142 WORD FeatureIndex
[1];
148 } GSUB_FeatureRecord
;
152 GSUB_FeatureRecord FeatureRecord
[1];
156 WORD FeatureParams
; /* Reserved */
158 WORD LookupListIndex
[1];
177 } GSUB_CoverageFormat1
;
182 WORD StartCoverageIndex
;
188 GSUB_RangeRecord RangeRecord
[1];
189 } GSUB_CoverageFormat2
;
192 WORD SubstFormat
; /* = 1 */
195 } GSUB_SingleSubstFormat1
;
198 WORD SubstFormat
; /* = 2 */
202 }GSUB_SingleSubstFormat2
;
205 WORD SubstFormat
; /* = 1 */
209 }GSUB_MultipleSubstFormat1
;
217 WORD SubstFormat
; /* = 1 */
221 }GSUB_LigatureSubstFormat1
;
236 WORD LookupListIndex
;
238 }GSUB_SubstLookupRecord
;
241 WORD SubstFormat
; /* = 1 */
243 WORD ChainSubRuleSetCount
;
244 WORD ChainSubRuleSet
[1];
245 }GSUB_ChainContextSubstFormat1
;
248 WORD SubstFormat
; /* = 3 */
249 WORD BacktrackGlyphCount
;
251 }GSUB_ChainContextSubstFormat3_1
;
254 WORD InputGlyphCount
;
256 }GSUB_ChainContextSubstFormat3_2
;
259 WORD LookaheadGlyphCount
;
261 }GSUB_ChainContextSubstFormat3_3
;
265 GSUB_SubstLookupRecord SubstLookupRecord
[1];
266 }GSUB_ChainContextSubstFormat3_4
;
269 WORD SubstFormat
; /* = 1 */
271 WORD AlternateSetCount
;
272 WORD AlternateSet
[1];
273 } GSUB_AlternateSubstFormat1
;
280 /* These are all structures needed for the GDEF table */
281 #define GDEF_TAG MS_MAKE_TAG('G', 'D', 'E', 'F')
283 enum {BaseGlyph
=1, LigatureGlyph
, MarkGlyph
, ComponentGlyph
};
290 WORD MarkAttachClassDef
;
297 WORD ClassValueArray
[1];
298 } GDEF_ClassDefFormat1
;
304 } GDEF_ClassRangeRecord
;
308 WORD ClassRangeCount
;
309 GDEF_ClassRangeRecord ClassRangeRecord
[1];
310 } GDEF_ClassDefFormat2
;
312 static INT
GSUB_apply_lookup(const GSUB_LookupList
* lookup
, INT lookup_index
, WORD
*glyphs
, INT glyph_index
, INT write_dir
, INT
*glyph_count
);
314 typedef struct tagVowelComponents
320 typedef struct tagConsonantComponents
324 } ConsonantComponents
;
326 typedef void (*second_reorder_function
)(LPWSTR pwChar
, IndicSyllable
*syllable
,WORD
* pwGlyphs
, IndicSyllable
* glyph_index
, lexical_function lex
);
328 /* the orders of joined_forms and contextual_features need to line up */
329 static const char* contextual_features
[] =
341 static OPENTYPE_FEATURE_RECORD standard_features
[] =
343 { MS_MAKE_TAG('l','i','g','a'), 1},
344 { MS_MAKE_TAG('c','l','i','g'), 1},
347 static OPENTYPE_FEATURE_RECORD arabic_features
[] =
349 { MS_MAKE_TAG('r','l','i','g'), 1},
350 { MS_MAKE_TAG('c','a','l','t'), 1},
351 { MS_MAKE_TAG('l','i','g','a'), 1},
352 { MS_MAKE_TAG('d','l','i','g'), 1},
353 { MS_MAKE_TAG('c','s','w','h'), 1},
354 { MS_MAKE_TAG('m','s','e','t'), 1},
357 static const char* required_arabic_features
[] =
366 static OPENTYPE_FEATURE_RECORD hebrew_features
[] =
368 { MS_MAKE_TAG('d','l','i','g'), 1},
371 static OPENTYPE_FEATURE_RECORD syriac_features
[] =
373 { MS_MAKE_TAG('r','l','i','g'), 1},
374 { MS_MAKE_TAG('c','a','l','t'), 1},
375 { MS_MAKE_TAG('l','i','g','a'), 1},
376 { MS_MAKE_TAG('d','l','i','g'), 1},
379 static const char* required_syriac_features
[] =
391 static OPENTYPE_FEATURE_RECORD sinhala_features
[] =
393 /* Presentation forms */
394 { MS_MAKE_TAG('b','l','w','s'), 1},
395 { MS_MAKE_TAG('a','b','v','s'), 1},
396 { MS_MAKE_TAG('p','s','t','s'), 1},
399 static OPENTYPE_FEATURE_RECORD tibetan_features
[] =
401 { MS_MAKE_TAG('a','b','v','s'), 1},
402 { MS_MAKE_TAG('b','l','w','s'), 1},
405 static OPENTYPE_FEATURE_RECORD thai_features
[] =
407 { MS_MAKE_TAG('c','c','m','p'), 1},
410 static const char* required_lao_features
[] =
416 static const char* required_devanagari_features
[] =
432 static OPENTYPE_FEATURE_RECORD devanagari_features
[] =
434 { MS_MAKE_TAG('p','r','e','s'), 1},
435 { MS_MAKE_TAG('a','b','v','s'), 1},
436 { MS_MAKE_TAG('b','l','w','s'), 1},
437 { MS_MAKE_TAG('p','s','t','s'), 1},
438 { MS_MAKE_TAG('h','a','l','n'), 1},
439 { MS_MAKE_TAG('c','a','l','t'), 1},
442 static const char* required_bengali_features
[] =
459 static const char* required_gurmukhi_features
[] =
478 static const char* required_oriya_features
[] =
495 static const char* required_tamil_features
[] =
511 static const char* required_telugu_features
[] =
529 typedef struct ScriptShapeDataTag
{
530 TEXTRANGE_PROPERTIES defaultTextRange
;
531 const char** requiredFeatures
;
534 ContextualShapingProc contextProc
;
535 ShapeCharGlyphPropProc charGlyphPropProc
;
538 /* in order of scripts */
539 static const ScriptShapeData ShapingData
[] =
541 {{ standard_features
, 2}, NULL
, "", "", NULL
, NULL
},
542 {{ standard_features
, 2}, NULL
, "latn", "", NULL
, NULL
},
543 {{ standard_features
, 2}, NULL
, "latn", "", NULL
, NULL
},
544 {{ standard_features
, 2}, NULL
, "latn", "", NULL
, NULL
},
545 {{ standard_features
, 2}, NULL
, "" , "", NULL
, NULL
},
546 {{ standard_features
, 2}, NULL
, "latn", "", NULL
, NULL
},
547 {{ arabic_features
, 6}, required_arabic_features
, "arab", "", ContextualShape_Arabic
, ShapeCharGlyphProp_Arabic
},
548 {{ arabic_features
, 6}, required_arabic_features
, "arab", "", ContextualShape_Arabic
, ShapeCharGlyphProp_Arabic
},
549 {{ hebrew_features
, 1}, NULL
, "hebr", "", NULL
, NULL
},
550 {{ syriac_features
, 4}, required_syriac_features
, "syrc", "", ContextualShape_Syriac
, ShapeCharGlyphProp_None
},
551 {{ arabic_features
, 6}, required_arabic_features
, "arab", "", ContextualShape_Arabic
, ShapeCharGlyphProp_Arabic
},
552 {{ NULL
, 0}, NULL
, "thaa", "", NULL
, ShapeCharGlyphProp_None
},
553 {{ standard_features
, 2}, NULL
, "grek", "", NULL
, NULL
},
554 {{ standard_features
, 2}, NULL
, "cyrl", "", NULL
, NULL
},
555 {{ standard_features
, 2}, NULL
, "armn", "", NULL
, NULL
},
556 {{ standard_features
, 2}, NULL
, "geor", "", NULL
, NULL
},
557 {{ sinhala_features
, 3}, NULL
, "sinh", "", ContextualShape_Sinhala
, ShapeCharGlyphProp_Sinhala
},
558 {{ tibetan_features
, 2}, NULL
, "tibt", "", NULL
, ShapeCharGlyphProp_Tibet
},
559 {{ tibetan_features
, 2}, NULL
, "tibt", "", NULL
, ShapeCharGlyphProp_Tibet
},
560 {{ tibetan_features
, 2}, NULL
, "phag", "", ContextualShape_Phags_pa
, ShapeCharGlyphProp_Thai
},
561 {{ thai_features
, 1}, NULL
, "thai", "", NULL
, ShapeCharGlyphProp_Thai
},
562 {{ thai_features
, 1}, NULL
, "thai", "", NULL
, ShapeCharGlyphProp_Thai
},
563 {{ thai_features
, 1}, required_lao_features
, "lao", "", NULL
, ShapeCharGlyphProp_Thai
},
564 {{ thai_features
, 1}, required_lao_features
, "lao", "", NULL
, ShapeCharGlyphProp_Thai
},
565 {{ devanagari_features
, 6}, required_devanagari_features
, "deva", "dev2", ContextualShape_Devanagari
, ShapeCharGlyphProp_Devanagari
},
566 {{ devanagari_features
, 6}, required_devanagari_features
, "deva", "dev2", ContextualShape_Devanagari
, ShapeCharGlyphProp_Devanagari
},
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_bengali_features
, "beng", "bng2", ContextualShape_Bengali
, ShapeCharGlyphProp_Bengali
},
570 {{ devanagari_features
, 6}, required_gurmukhi_features
, "guru", "gur2", ContextualShape_Gurmukhi
, ShapeCharGlyphProp_Gurmukhi
},
571 {{ devanagari_features
, 6}, required_gurmukhi_features
, "guru", "gur2", ContextualShape_Gurmukhi
, ShapeCharGlyphProp_Gurmukhi
},
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_devanagari_features
, "gujr", "gjr2", ContextualShape_Gujarati
, ShapeCharGlyphProp_Gujarati
},
575 {{ devanagari_features
, 6}, required_oriya_features
, "orya", "ory2", ContextualShape_Oriya
, ShapeCharGlyphProp_Oriya
},
576 {{ devanagari_features
, 6}, required_oriya_features
, "orya", "ory2", ContextualShape_Oriya
, ShapeCharGlyphProp_Oriya
},
577 {{ devanagari_features
, 6}, required_tamil_features
, "taml", "tam2", ContextualShape_Tamil
, ShapeCharGlyphProp_Tamil
},
578 {{ devanagari_features
, 6}, required_tamil_features
, "taml", "tam2", ContextualShape_Tamil
, ShapeCharGlyphProp_Tamil
},
579 {{ devanagari_features
, 6}, required_telugu_features
, "telu", "tel2", ContextualShape_Telugu
, ShapeCharGlyphProp_Telugu
},
580 {{ devanagari_features
, 6}, required_telugu_features
, "telu", "tel2", ContextualShape_Telugu
, ShapeCharGlyphProp_Telugu
},
581 {{ devanagari_features
, 6}, required_telugu_features
, "knda", "knd2", ContextualShape_Kannada
, ShapeCharGlyphProp_Kannada
},
582 {{ devanagari_features
, 6}, required_telugu_features
, "knda", "knd2", ContextualShape_Kannada
, ShapeCharGlyphProp_Kannada
},
583 {{ devanagari_features
, 6}, required_telugu_features
, "mlym", "mlm2", ContextualShape_Malayalam
, ShapeCharGlyphProp_Malayalam
},
584 {{ devanagari_features
, 6}, required_telugu_features
, "mlym", "mlm2", ContextualShape_Malayalam
, ShapeCharGlyphProp_Malayalam
},
587 static INT
GSUB_is_glyph_covered(LPCVOID table
, UINT glyph
)
589 const GSUB_CoverageFormat1
* cf1
;
593 if (GET_BE_WORD(cf1
->CoverageFormat
) == 1)
595 int count
= GET_BE_WORD(cf1
->GlyphCount
);
597 TRACE("Coverage Format 1, %i glyphs\n",count
);
598 for (i
= 0; i
< count
; i
++)
599 if (glyph
== GET_BE_WORD(cf1
->GlyphArray
[i
]))
603 else if (GET_BE_WORD(cf1
->CoverageFormat
) == 2)
605 const GSUB_CoverageFormat2
* cf2
;
608 cf2
= (const GSUB_CoverageFormat2
*)cf1
;
610 count
= GET_BE_WORD(cf2
->RangeCount
);
611 TRACE("Coverage Format 2, %i ranges\n",count
);
612 for (i
= 0; i
< count
; i
++)
614 if (glyph
< GET_BE_WORD(cf2
->RangeRecord
[i
].Start
))
616 if ((glyph
>= GET_BE_WORD(cf2
->RangeRecord
[i
].Start
)) &&
617 (glyph
<= GET_BE_WORD(cf2
->RangeRecord
[i
].End
)))
619 return (GET_BE_WORD(cf2
->RangeRecord
[i
].StartCoverageIndex
) +
620 glyph
- GET_BE_WORD(cf2
->RangeRecord
[i
].Start
));
626 ERR("Unknown CoverageFormat %i\n",GET_BE_WORD(cf1
->CoverageFormat
));
631 static const GSUB_Script
* GSUB_get_script_table( const GSUB_Header
* header
, const char* tag
)
633 const GSUB_ScriptList
*script
;
634 const GSUB_Script
*deflt
= NULL
;
636 script
= (const GSUB_ScriptList
*)((const BYTE
*)header
+ GET_BE_WORD(header
->ScriptList
));
638 TRACE("%i scripts in this font\n",GET_BE_WORD(script
->ScriptCount
));
639 for (i
= 0; i
< GET_BE_WORD(script
->ScriptCount
); i
++)
641 const GSUB_Script
*scr
;
644 offset
= GET_BE_WORD(script
->ScriptRecord
[i
].Script
);
645 scr
= (const GSUB_Script
*)((const BYTE
*)script
+ offset
);
647 if (strncmp(script
->ScriptRecord
[i
].ScriptTag
, tag
,4)==0)
649 if (strncmp(script
->ScriptRecord
[i
].ScriptTag
, "dflt",4)==0)
655 static const GSUB_LangSys
* GSUB_get_lang_table( const GSUB_Script
* script
, const char* tag
)
659 const GSUB_LangSys
*Lang
;
661 TRACE("Deflang %x, LangCount %i\n",GET_BE_WORD(script
->DefaultLangSys
), GET_BE_WORD(script
->LangSysCount
));
663 for (i
= 0; i
< GET_BE_WORD(script
->LangSysCount
) ; i
++)
665 offset
= GET_BE_WORD(script
->LangSysRecord
[i
].LangSys
);
666 Lang
= (const GSUB_LangSys
*)((const BYTE
*)script
+ offset
);
668 if ( strncmp(script
->LangSysRecord
[i
].LangSysTag
,tag
,4)==0)
671 offset
= GET_BE_WORD(script
->DefaultLangSys
);
674 Lang
= (const GSUB_LangSys
*)((const BYTE
*)script
+ offset
);
680 static const GSUB_Feature
* GSUB_get_feature(const GSUB_Header
*header
, const GSUB_LangSys
*lang
, const char* tag
)
683 const GSUB_FeatureList
*feature
;
684 feature
= (const GSUB_FeatureList
*)((const BYTE
*)header
+ GET_BE_WORD(header
->FeatureList
));
686 TRACE("%i features\n",GET_BE_WORD(lang
->FeatureCount
));
687 for (i
= 0; i
< GET_BE_WORD(lang
->FeatureCount
); i
++)
689 int index
= GET_BE_WORD(lang
->FeatureIndex
[i
]);
690 if (strncmp(feature
->FeatureRecord
[index
].FeatureTag
,tag
,4)==0)
692 const GSUB_Feature
*feat
;
693 feat
= (const GSUB_Feature
*)((const BYTE
*)feature
+ GET_BE_WORD(feature
->FeatureRecord
[index
].Feature
));
700 static INT
GSUB_apply_SingleSubst(const GSUB_LookupTable
*look
, WORD
*glyphs
, INT glyph_index
, INT write_dir
, INT
*glyph_count
)
703 TRACE("Single Substitution Subtable\n");
705 for (j
= 0; j
< GET_BE_WORD(look
->SubTableCount
); j
++)
708 const GSUB_SingleSubstFormat1
*ssf1
;
709 offset
= GET_BE_WORD(look
->SubTable
[j
]);
710 ssf1
= (const GSUB_SingleSubstFormat1
*)((const BYTE
*)look
+offset
);
711 if (GET_BE_WORD(ssf1
->SubstFormat
) == 1)
713 int offset
= GET_BE_WORD(ssf1
->Coverage
);
714 TRACE(" subtype 1, delta %i\n", GET_BE_WORD(ssf1
->DeltaGlyphID
));
715 if (GSUB_is_glyph_covered((const BYTE
*)ssf1
+offset
, glyphs
[glyph_index
]) != -1)
717 TRACE(" Glyph 0x%x ->",glyphs
[glyph_index
]);
718 glyphs
[glyph_index
] = glyphs
[glyph_index
] + GET_BE_WORD(ssf1
->DeltaGlyphID
);
719 TRACE(" 0x%x\n",glyphs
[glyph_index
]);
720 return glyph_index
+ 1;
725 const GSUB_SingleSubstFormat2
*ssf2
;
729 ssf2
= (const GSUB_SingleSubstFormat2
*)ssf1
;
730 offset
= GET_BE_WORD(ssf1
->Coverage
);
731 TRACE(" subtype 2, glyph count %i\n", GET_BE_WORD(ssf2
->GlyphCount
));
732 index
= GSUB_is_glyph_covered((const BYTE
*)ssf2
+offset
, glyphs
[glyph_index
]);
733 TRACE(" Coverage index %i\n",index
);
736 if (glyphs
[glyph_index
] == GET_BE_WORD(ssf2
->Substitute
[index
]))
737 return GSUB_E_NOGLYPH
;
739 TRACE(" Glyph is 0x%x ->",glyphs
[glyph_index
]);
740 glyphs
[glyph_index
] = GET_BE_WORD(ssf2
->Substitute
[index
]);
741 TRACE("0x%x\n",glyphs
[glyph_index
]);
742 return glyph_index
+ 1;
746 return GSUB_E_NOGLYPH
;
749 static INT
GSUB_apply_MultipleSubst(const GSUB_LookupTable
*look
, WORD
*glyphs
, INT glyph_index
, INT write_dir
, INT
*glyph_count
)
752 TRACE("Multiple Substitution Subtable\n");
754 for (j
= 0; j
< GET_BE_WORD(look
->SubTableCount
); j
++)
757 const GSUB_MultipleSubstFormat1
*msf1
;
758 offset
= GET_BE_WORD(look
->SubTable
[j
]);
759 msf1
= (const GSUB_MultipleSubstFormat1
*)((const BYTE
*)look
+offset
);
761 offset
= GET_BE_WORD(msf1
->Coverage
);
762 index
= GSUB_is_glyph_covered((const BYTE
*)msf1
+offset
, glyphs
[glyph_index
]);
765 const GSUB_Sequence
*seq
;
768 offset
= GET_BE_WORD(msf1
->Sequence
[index
]);
769 seq
= (const GSUB_Sequence
*)((const BYTE
*)msf1
+offset
);
770 sub_count
= GET_BE_WORD(seq
->GlyphCount
);
771 TRACE(" Glyph 0x%x (+%i)->",glyphs
[glyph_index
],(sub_count
-1));
773 for (j
= (*glyph_count
)+(sub_count
-1); j
> glyph_index
; j
--)
774 glyphs
[j
] =glyphs
[j
-(sub_count
-1)];
776 for (j
= 0; j
< sub_count
; j
++)
778 glyphs
[glyph_index
+ (sub_count
-1) - j
] = GET_BE_WORD(seq
->Substitute
[j
]);
780 glyphs
[glyph_index
+ j
] = GET_BE_WORD(seq
->Substitute
[j
]);
782 *glyph_count
= *glyph_count
+ (sub_count
- 1);
784 if (TRACE_ON(uniscribe
))
786 for (j
= 0; j
< sub_count
; j
++)
787 TRACE(" 0x%x",glyphs
[glyph_index
+j
]);
791 return glyph_index
+ sub_count
;
794 return GSUB_E_NOGLYPH
;
797 static INT
GSUB_apply_AlternateSubst(const GSUB_LookupTable
*look
, WORD
*glyphs
, INT glyph_index
, INT write_dir
, INT
*glyph_count
)
800 TRACE("Alternate Substitution Subtable\n");
802 for (j
= 0; j
< GET_BE_WORD(look
->SubTableCount
); j
++)
805 const GSUB_AlternateSubstFormat1
*asf1
;
808 offset
= GET_BE_WORD(look
->SubTable
[j
]);
809 asf1
= (const GSUB_AlternateSubstFormat1
*)((const BYTE
*)look
+offset
);
810 offset
= GET_BE_WORD(asf1
->Coverage
);
812 index
= GSUB_is_glyph_covered((const BYTE
*)asf1
+offset
, glyphs
[glyph_index
]);
815 const GSUB_AlternateSet
*as
;
816 offset
= GET_BE_WORD(asf1
->AlternateSet
[index
]);
817 as
= (const GSUB_AlternateSet
*)((const BYTE
*)asf1
+offset
);
818 FIXME("%i alternates, picking index 0\n",GET_BE_WORD(as
->GlyphCount
));
819 if (glyphs
[glyph_index
] == GET_BE_WORD(as
->Alternate
[0]))
820 return GSUB_E_NOGLYPH
;
822 TRACE(" Glyph 0x%x ->",glyphs
[glyph_index
]);
823 glyphs
[glyph_index
] = GET_BE_WORD(as
->Alternate
[0]);
824 TRACE(" 0x%x\n",glyphs
[glyph_index
]);
825 return glyph_index
+ 1;
828 return GSUB_E_NOGLYPH
;
831 static INT
GSUB_apply_LigatureSubst(const GSUB_LookupTable
*look
, WORD
*glyphs
, INT glyph_index
, INT write_dir
, INT
*glyph_count
)
835 TRACE("Ligature Substitution Subtable\n");
836 for (j
= 0; j
< GET_BE_WORD(look
->SubTableCount
); j
++)
838 const GSUB_LigatureSubstFormat1
*lsf1
;
841 offset
= GET_BE_WORD(look
->SubTable
[j
]);
842 lsf1
= (const GSUB_LigatureSubstFormat1
*)((const BYTE
*)look
+offset
);
843 offset
= GET_BE_WORD(lsf1
->Coverage
);
844 index
= GSUB_is_glyph_covered((const BYTE
*)lsf1
+offset
, glyphs
[glyph_index
]);
845 TRACE(" Coverage index %i\n",index
);
848 const GSUB_LigatureSet
*ls
;
851 offset
= GET_BE_WORD(lsf1
->LigatureSet
[index
]);
852 ls
= (const GSUB_LigatureSet
*)((const BYTE
*)lsf1
+offset
);
853 count
= GET_BE_WORD(ls
->LigatureCount
);
854 TRACE(" LigatureSet has %i members\n",count
);
855 for (k
= 0; k
< count
; k
++)
857 const GSUB_Ligature
*lig
;
858 int CompCount
,l
,CompIndex
;
860 offset
= GET_BE_WORD(ls
->Ligature
[k
]);
861 lig
= (const GSUB_Ligature
*)((const BYTE
*)ls
+offset
);
862 CompCount
= GET_BE_WORD(lig
->CompCount
) - 1;
863 CompIndex
= glyph_index
+write_dir
;
864 for (l
= 0; l
< CompCount
&& CompIndex
>= 0 && CompIndex
< *glyph_count
; l
++)
867 CompGlyph
= GET_BE_WORD(lig
->Component
[l
]);
868 if (CompGlyph
!= glyphs
[CompIndex
])
870 CompIndex
+= write_dir
;
874 int replaceIdx
= glyph_index
;
876 replaceIdx
= glyph_index
- CompCount
;
878 TRACE(" Glyph is 0x%x (+%i) ->",glyphs
[glyph_index
],CompCount
);
879 glyphs
[replaceIdx
] = GET_BE_WORD(lig
->LigGlyph
);
880 TRACE("0x%x\n",glyphs
[replaceIdx
]);
884 for (j
= replaceIdx
+ 1; j
< *glyph_count
; j
++)
885 glyphs
[j
] =glyphs
[j
+CompCount
];
886 *glyph_count
= *glyph_count
- CompCount
;
888 return replaceIdx
+ 1;
893 return GSUB_E_NOGLYPH
;
896 static INT
GSUB_apply_ChainContextSubst(const GSUB_LookupList
* lookup
, const GSUB_LookupTable
*look
, WORD
*glyphs
, INT glyph_index
, INT write_dir
, INT
*glyph_count
)
901 TRACE("Chaining Contextual Substitution Subtable\n");
902 for (j
= 0; j
< GET_BE_WORD(look
->SubTableCount
) && !done
; j
++)
904 const GSUB_ChainContextSubstFormat1
*ccsf1
;
906 int dirLookahead
= write_dir
;
907 int dirBacktrack
= -1 * write_dir
;
909 offset
= GET_BE_WORD(look
->SubTable
[j
]);
910 ccsf1
= (const GSUB_ChainContextSubstFormat1
*)((const BYTE
*)look
+offset
);
911 if (GET_BE_WORD(ccsf1
->SubstFormat
) == 1)
913 FIXME(" TODO: subtype 1 (Simple context glyph substitution)\n");
916 else if (GET_BE_WORD(ccsf1
->SubstFormat
) == 2)
918 FIXME(" TODO: subtype 2 (Class-based Chaining Context Glyph Substitution)\n");
921 else if (GET_BE_WORD(ccsf1
->SubstFormat
) == 3)
925 const GSUB_ChainContextSubstFormat3_1
*ccsf3_1
;
926 const GSUB_ChainContextSubstFormat3_2
*ccsf3_2
;
927 const GSUB_ChainContextSubstFormat3_3
*ccsf3_3
;
928 const GSUB_ChainContextSubstFormat3_4
*ccsf3_4
;
929 int newIndex
= glyph_index
;
931 ccsf3_1
= (const GSUB_ChainContextSubstFormat3_1
*)ccsf1
;
933 TRACE(" subtype 3 (Coverage-based Chaining Context Glyph Substitution)\n");
935 for (k
= 0; k
< GET_BE_WORD(ccsf3_1
->BacktrackGlyphCount
); k
++)
937 offset
= GET_BE_WORD(ccsf3_1
->Coverage
[k
]);
938 if (GSUB_is_glyph_covered((const BYTE
*)ccsf3_1
+offset
, glyphs
[glyph_index
+ (dirBacktrack
* (k
+1))]) == -1)
941 if (k
!= GET_BE_WORD(ccsf3_1
->BacktrackGlyphCount
))
943 TRACE("Matched Backtrack\n");
945 ccsf3_2
= (const GSUB_ChainContextSubstFormat3_2
*)(((LPBYTE
)ccsf1
)+sizeof(GSUB_ChainContextSubstFormat3_1
) + (sizeof(WORD
) * (GET_BE_WORD(ccsf3_1
->BacktrackGlyphCount
)-1)));
947 indexGlyphs
= GET_BE_WORD(ccsf3_2
->InputGlyphCount
);
948 for (k
= 0; k
< indexGlyphs
; k
++)
950 offset
= GET_BE_WORD(ccsf3_2
->Coverage
[k
]);
951 if (GSUB_is_glyph_covered((const BYTE
*)ccsf3_1
+offset
, glyphs
[glyph_index
+ (write_dir
* k
)]) == -1)
954 if (k
!= indexGlyphs
)
956 TRACE("Matched IndexGlyphs\n");
958 ccsf3_3
= (const GSUB_ChainContextSubstFormat3_3
*)(((LPBYTE
)ccsf3_2
)+sizeof(GSUB_ChainContextSubstFormat3_2
) + (sizeof(WORD
) * (GET_BE_WORD(ccsf3_2
->InputGlyphCount
)-1)));
960 for (k
= 0; k
< GET_BE_WORD(ccsf3_3
->LookaheadGlyphCount
); k
++)
962 offset
= GET_BE_WORD(ccsf3_3
->Coverage
[k
]);
963 if (GSUB_is_glyph_covered((const BYTE
*)ccsf3_1
+offset
, glyphs
[glyph_index
+ (dirLookahead
* (indexGlyphs
+ k
))]) == -1)
966 if (k
!= GET_BE_WORD(ccsf3_3
->LookaheadGlyphCount
))
968 TRACE("Matched LookAhead\n");
970 ccsf3_4
= (const GSUB_ChainContextSubstFormat3_4
*)(((LPBYTE
)ccsf3_3
)+sizeof(GSUB_ChainContextSubstFormat3_3
) + (sizeof(WORD
) * (GET_BE_WORD(ccsf3_3
->LookaheadGlyphCount
)-1)));
972 if (GET_BE_WORD(ccsf3_4
->SubstCount
))
974 for (k
= 0; k
< GET_BE_WORD(ccsf3_4
->SubstCount
); k
++)
976 int lookupIndex
= GET_BE_WORD(ccsf3_4
->SubstLookupRecord
[k
].LookupListIndex
);
977 int SequenceIndex
= GET_BE_WORD(ccsf3_4
->SubstLookupRecord
[k
].SequenceIndex
) * write_dir
;
979 TRACE("SUBST: %i -> %i %i\n",k
, SequenceIndex
, lookupIndex
);
980 newIndex
= GSUB_apply_lookup(lookup
, lookupIndex
, glyphs
, glyph_index
+ SequenceIndex
, write_dir
, glyph_count
);
983 ERR("Chain failed to generate a glyph\n");
989 else return GSUB_E_NOGLYPH
;
995 static INT
GSUB_apply_lookup(const GSUB_LookupList
* lookup
, INT lookup_index
, WORD
*glyphs
, INT glyph_index
, INT write_dir
, INT
*glyph_count
)
998 const GSUB_LookupTable
*look
;
1000 offset
= GET_BE_WORD(lookup
->Lookup
[lookup_index
]);
1001 look
= (const GSUB_LookupTable
*)((const BYTE
*)lookup
+ offset
);
1002 TRACE("type %i, flag %x, subtables %i\n",GET_BE_WORD(look
->LookupType
),GET_BE_WORD(look
->LookupFlag
),GET_BE_WORD(look
->SubTableCount
));
1003 switch(GET_BE_WORD(look
->LookupType
))
1006 return GSUB_apply_SingleSubst(look
, glyphs
, glyph_index
, write_dir
, glyph_count
);
1008 return GSUB_apply_MultipleSubst(look
, glyphs
, glyph_index
, write_dir
, glyph_count
);
1010 return GSUB_apply_AlternateSubst(look
, glyphs
, glyph_index
, write_dir
, glyph_count
);
1012 return GSUB_apply_LigatureSubst(look
, glyphs
, glyph_index
, write_dir
, glyph_count
);
1014 return GSUB_apply_ChainContextSubst(lookup
, look
, glyphs
, glyph_index
, write_dir
, glyph_count
);
1016 FIXME("We do not handle SubType %i\n",GET_BE_WORD(look
->LookupType
));
1018 return GSUB_E_NOGLYPH
;
1021 static INT
GSUB_apply_feature(const GSUB_Header
* header
, const GSUB_Feature
* feature
, WORD
*glyphs
, INT glyph_index
, INT write_dir
, INT
*glyph_count
)
1024 int out_index
= GSUB_E_NOGLYPH
;
1025 const GSUB_LookupList
*lookup
;
1027 lookup
= (const GSUB_LookupList
*)((const BYTE
*)header
+ GET_BE_WORD(header
->LookupList
));
1029 TRACE("%i lookups\n", GET_BE_WORD(feature
->LookupCount
));
1030 for (i
= 0; i
< GET_BE_WORD(feature
->LookupCount
); i
++)
1032 out_index
= GSUB_apply_lookup(lookup
, GET_BE_WORD(feature
->LookupListIndex
[i
]), glyphs
, glyph_index
, write_dir
, glyph_count
);
1033 if (out_index
!= GSUB_E_NOGLYPH
)
1036 if (out_index
== GSUB_E_NOGLYPH
)
1037 TRACE("lookups found no glyphs\n");
1041 out2
= GSUB_apply_feature(header
, feature
, glyphs
, glyph_index
, write_dir
, glyph_count
);
1042 if (out2
!=GSUB_E_NOGLYPH
)
1048 static const char* get_opentype_script(HDC hdc
, SCRIPT_ANALYSIS
*psa
, ScriptCache
*psc
, BOOL tryNew
)
1052 if (psc
->userScript
!= 0)
1054 if (tryNew
&& ShapingData
[psa
->eScript
].newOtTag
[0] != 0 && strncmp((char*)&psc
->userScript
,ShapingData
[psa
->eScript
].otTag
,4)==0)
1055 return ShapingData
[psa
->eScript
].newOtTag
;
1057 return (char*)&psc
->userScript
;
1060 if (tryNew
&& ShapingData
[psa
->eScript
].newOtTag
[0] != 0)
1061 return ShapingData
[psa
->eScript
].newOtTag
;
1063 if (ShapingData
[psa
->eScript
].otTag
[0] != 0)
1064 return ShapingData
[psa
->eScript
].otTag
;
1067 * fall back to the font charset
1069 charset
= GetTextCharsetInfo(hdc
, NULL
, 0x0);
1072 case ANSI_CHARSET
: return "latn";
1073 case BALTIC_CHARSET
: return "latn"; /* ?? */
1074 case CHINESEBIG5_CHARSET
: return "hani";
1075 case EASTEUROPE_CHARSET
: return "latn"; /* ?? */
1076 case GB2312_CHARSET
: return "hani";
1077 case GREEK_CHARSET
: return "grek";
1078 case HANGUL_CHARSET
: return "hang";
1079 case RUSSIAN_CHARSET
: return "cyrl";
1080 case SHIFTJIS_CHARSET
: return "kana";
1081 case TURKISH_CHARSET
: return "latn"; /* ?? */
1082 case VIETNAMESE_CHARSET
: return "latn";
1083 case JOHAB_CHARSET
: return "latn"; /* ?? */
1084 case ARABIC_CHARSET
: return "arab";
1085 case HEBREW_CHARSET
: return "hebr";
1086 case THAI_CHARSET
: return "thai";
1087 default: return "latn";
1091 static LPCVOID
load_GSUB_feature(HDC hdc
, SCRIPT_ANALYSIS
*psa
, ScriptCache
*psc
, const char* feat
)
1093 const GSUB_Feature
*feature
;
1096 for (i
= 0; i
< psc
->feature_count
; i
++)
1097 if (strncmp(psc
->features
[i
].tag
,feat
,4)==0)
1098 return psc
->features
[i
].feature
;
1102 if (psc
->GSUB_Table
)
1104 const GSUB_Script
*script
;
1105 const GSUB_LangSys
*language
;
1110 script
= GSUB_get_script_table(psc
->GSUB_Table
, get_opentype_script(hdc
,psa
,psc
,(attempt
==2)));
1114 if (psc
->userLang
!= 0)
1115 language
= GSUB_get_lang_table(script
,(char*)&psc
->userLang
);
1117 language
= GSUB_get_lang_table(script
, "xxxx"); /* Need to get Lang tag */
1119 feature
= GSUB_get_feature(psc
->GSUB_Table
, language
, feat
);
1121 } while(attempt
&& !feature
);
1123 /* try in the default (latin) table */
1126 script
= GSUB_get_script_table(psc
->GSUB_Table
, "latn");
1129 language
= GSUB_get_lang_table(script
, "xxxx"); /* Need to get Lang tag */
1131 feature
= GSUB_get_feature(psc
->GSUB_Table
, language
, feat
);
1136 TRACE("Feature %s located at %p\n",debugstr_an(feat
,4),feature
);
1138 psc
->feature_count
++;
1141 psc
->features
= HeapReAlloc(GetProcessHeap(), 0, psc
->features
, psc
->feature_count
* sizeof(LoadedFeature
));
1143 psc
->features
= HeapAlloc(GetProcessHeap(), 0, psc
->feature_count
* sizeof(LoadedFeature
));
1145 lstrcpynA(psc
->features
[psc
->feature_count
- 1].tag
, feat
, 5);
1146 psc
->features
[psc
->feature_count
- 1].feature
= feature
;
1150 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
)
1152 const GSUB_Feature
*feature
;
1154 feature
= load_GSUB_feature(hdc
, psa
, psc
, feat
);
1156 return GSUB_E_NOFEATURE
;
1158 TRACE("applying feature %s\n",feat
);
1159 return GSUB_apply_feature(psc
->GSUB_Table
, feature
, glyphs
, index
, write_dir
, glyph_count
);
1162 static VOID
*load_gsub_table(HDC hdc
)
1164 VOID
* GSUB_Table
= NULL
;
1165 int length
= GetFontData(hdc
, GSUB_TAG
, 0, NULL
, 0);
1166 if (length
!= GDI_ERROR
)
1168 GSUB_Table
= HeapAlloc(GetProcessHeap(),0,length
);
1169 GetFontData(hdc
, GSUB_TAG
, 0, GSUB_Table
, length
);
1170 TRACE("Loaded GSUB table of %i bytes\n",length
);
1175 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
)
1178 INT glyph_count
= count
;
1181 glyphs
= HeapAlloc(GetProcessHeap(),0,sizeof(WORD
)*(count
*2));
1182 GetGlyphIndicesW(hdc
, chars
, count
, glyphs
, 0);
1183 rc
= apply_GSUB_feature_to_glyph(hdc
, psa
, psc
, glyphs
, 0, write_dir
, &glyph_count
, feature
);
1184 if (rc
> GSUB_E_NOGLYPH
)
1185 rc
= count
- glyph_count
;
1189 HeapFree(GetProcessHeap(),0,glyphs
);
1193 static WORD
GDEF_get_glyph_class(const GDEF_Header
*header
, WORD glyph
)
1197 const GDEF_ClassDefFormat1
*cf1
;
1202 offset
= GET_BE_WORD(header
->GlyphClassDef
);
1206 cf1
= (GDEF_ClassDefFormat1
*)(((BYTE
*)header
)+offset
);
1207 if (GET_BE_WORD(cf1
->ClassFormat
) == 1)
1209 if (glyph
>= GET_BE_WORD(cf1
->StartGlyph
))
1211 int index
= glyph
- GET_BE_WORD(cf1
->StartGlyph
);
1212 if (index
< GET_BE_WORD(cf1
->GlyphCount
))
1213 class = GET_BE_WORD(cf1
->ClassValueArray
[index
]);
1216 else if (GET_BE_WORD(cf1
->ClassFormat
) == 2)
1218 const GDEF_ClassDefFormat2
*cf2
= (GDEF_ClassDefFormat2
*)cf1
;
1220 top
= GET_BE_WORD(cf2
->ClassRangeCount
);
1221 for (i
= 0; i
< top
; i
++)
1223 if (glyph
>= GET_BE_WORD(cf2
->ClassRangeRecord
[i
].Start
) &&
1224 glyph
<= GET_BE_WORD(cf2
->ClassRangeRecord
[i
].End
))
1226 class = GET_BE_WORD(cf2
->ClassRangeRecord
[i
].Class
);
1232 ERR("Unknown Class Format %i\n",GET_BE_WORD(cf1
->ClassFormat
));
1237 static VOID
*load_gdef_table(HDC hdc
)
1239 VOID
* GDEF_Table
= NULL
;
1240 int length
= GetFontData(hdc
, GDEF_TAG
, 0, NULL
, 0);
1241 if (length
!= GDI_ERROR
)
1243 GDEF_Table
= HeapAlloc(GetProcessHeap(),0,length
);
1244 GetFontData(hdc
, GDEF_TAG
, 0, GDEF_Table
, length
);
1245 TRACE("Loaded GDEF table of %i bytes\n",length
);
1250 static void GDEF_UpdateGlyphProps(HDC hdc
, ScriptCache
*psc
, const WORD
*pwGlyphs
, const WORD cGlyphs
, WORD
* pwLogClust
, SCRIPT_GLYPHPROP
*pGlyphProp
)
1254 if (!psc
->GDEF_Table
)
1255 psc
->GDEF_Table
= load_gdef_table(hdc
);
1257 for (i
= 0; i
< cGlyphs
; i
++)
1261 class = GDEF_get_glyph_class(psc
->GDEF_Table
, pwGlyphs
[i
]);
1267 pGlyphProp
[i
].sva
.fClusterStart
= 1;
1268 pGlyphProp
[i
].sva
.fDiacritic
= 0;
1269 pGlyphProp
[i
].sva
.fZeroWidth
= 0;
1272 pGlyphProp
[i
].sva
.fClusterStart
= 1;
1273 pGlyphProp
[i
].sva
.fDiacritic
= 0;
1274 pGlyphProp
[i
].sva
.fZeroWidth
= 0;
1277 pGlyphProp
[i
].sva
.fClusterStart
= 0;
1278 pGlyphProp
[i
].sva
.fDiacritic
= 1;
1279 pGlyphProp
[i
].sva
.fZeroWidth
= 1;
1281 case ComponentGlyph
:
1282 pGlyphProp
[i
].sva
.fClusterStart
= 0;
1283 pGlyphProp
[i
].sva
.fDiacritic
= 0;
1284 pGlyphProp
[i
].sva
.fZeroWidth
= 0;
1287 ERR("Unknown glyph class %i\n",class);
1288 pGlyphProp
[i
].sva
.fClusterStart
= 1;
1289 pGlyphProp
[i
].sva
.fDiacritic
= 0;
1290 pGlyphProp
[i
].sva
.fZeroWidth
= 0;
1295 static void UpdateClustersFromGlyphProp(const int cGlyphs
, const int cChars
, WORD
* pwLogClust
, SCRIPT_GLYPHPROP
*pGlyphProp
)
1299 for (i
= 0; i
< cGlyphs
; i
++)
1301 if (!pGlyphProp
[i
].sva
.fClusterStart
)
1304 for (j
= 0; j
< cChars
; j
++)
1306 if (pwLogClust
[j
] == i
)
1309 while (!pGlyphProp
[pwLogClust
[k
]].sva
.fClusterStart
&& k
>= 0 && k
<cChars
)
1311 if (pGlyphProp
[pwLogClust
[k
]].sva
.fClusterStart
)
1312 pwLogClust
[j
] = pwLogClust
[k
];
1319 static void UpdateClusters(int nextIndex
, int changeCount
, int write_dir
, int chars
, WORD
* pwLogClust
)
1321 if (changeCount
== 0)
1326 int target_glyph
= nextIndex
- 1;
1328 int target_index
= -1;
1329 int replacing_glyph
= -1;
1333 if (changeCount
> 0)
1334 target_glyph
= nextIndex
- (changeCount
+1);
1336 seeking_glyph
= target_glyph
;
1340 for (i
= 0; i
< chars
; i
++)
1342 if (pwLogClust
[i
] == seeking_glyph
)
1349 for (i
= chars
- 1; i
>= 0; i
--)
1351 if (pwLogClust
[i
] == seeking_glyph
)
1357 if (target_index
== -1)
1360 while (target_index
== -1 && seeking_glyph
< chars
);
1362 if (target_index
== -1)
1364 ERR("Unable to find target glyph\n");
1368 if (changeCount
< 0)
1371 for(i
= target_index
; i
< chars
&& i
>= 0; i
+=write_dir
)
1373 if (pwLogClust
[i
] == target_glyph
)
1375 if(pwLogClust
[i
] == replacing_glyph
)
1376 pwLogClust
[i
] = target_glyph
;
1380 if (changed
>= changeCount
)
1382 replacing_glyph
= pwLogClust
[i
];
1383 pwLogClust
[i
] = target_glyph
;
1390 /* renumber trailing indexes*/
1391 for(i
= target_index
; i
< chars
&& i
>= 0; i
+=write_dir
)
1393 if (pwLogClust
[i
] != target_glyph
)
1394 pwLogClust
[i
] += changeCount
;
1399 for(i
= target_index
; i
< chars
&& i
>= 0; i
+=write_dir
)
1400 pwLogClust
[i
] += changeCount
;
1405 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
)
1409 if (psc
->GSUB_Table
)
1411 const GSUB_Feature
*feature
;
1413 feature
= load_GSUB_feature(hdc
, psa
, psc
, feat
);
1415 return GSUB_E_NOFEATURE
;
1418 TRACE("applying feature %s\n",debugstr_an(feat
,4));
1419 while(i
< *pcGlyphs
)
1422 INT prevCount
= *pcGlyphs
;
1423 nextIndex
= GSUB_apply_feature(psc
->GSUB_Table
, feature
, pwOutGlyphs
, i
, write_dir
, pcGlyphs
);
1424 if (nextIndex
> GSUB_E_NOGLYPH
)
1426 UpdateClusters(nextIndex
, *pcGlyphs
- prevCount
, write_dir
, cChars
, pwLogClust
);
1434 return GSUB_E_NOFEATURE
;
1437 static inline BOOL
get_GSUB_Indic2(SCRIPT_ANALYSIS
*psa
, ScriptCache
*psc
)
1439 return(GSUB_get_script_table(psc
->GSUB_Table
,ShapingData
[psa
->eScript
].newOtTag
)!=NULL
);
1442 static WCHAR
neighbour_char(int i
, int delta
, const WCHAR
* chars
, INT cchLen
)
1446 if ( i
+ delta
>= cchLen
)
1454 static CHAR
neighbour_joining_type(int i
, int delta
, const CHAR
* context_type
, INT cchLen
, SCRIPT_ANALYSIS
*psa
)
1458 if (psa
->fLinkBefore
)
1463 if ( i
+ delta
>= cchLen
)
1465 if (psa
->fLinkAfter
)
1473 if (context_type
[i
] == jtT
)
1474 return neighbour_joining_type(i
,delta
,context_type
,cchLen
,psa
);
1476 return context_type
[i
];
1479 static inline BOOL
right_join_causing(CHAR joining_type
)
1481 return (joining_type
== jtL
|| joining_type
== jtD
|| joining_type
== jtC
);
1484 static inline BOOL
left_join_causing(CHAR joining_type
)
1486 return (joining_type
== jtR
|| joining_type
== jtD
|| joining_type
== jtC
);
1489 static inline BOOL
word_break_causing(WCHAR chr
)
1491 /* we are working within a string of characters already guareented to
1492 be within one script, Syriac, so we do not worry about any character
1493 other than the space character outside of that range */
1494 return (chr
== 0 || chr
== 0x20 );
1498 * ContextualShape_Arabic
1500 static void ContextualShape_Arabic(HDC hdc
, ScriptCache
*psc
, SCRIPT_ANALYSIS
*psa
, WCHAR
* pwcChars
, INT cChars
, WORD
* pwOutGlyphs
, INT
* pcGlyphs
, INT cMaxGlyphs
, WORD
*pwLogClust
)
1507 if (*pcGlyphs
!= cChars
)
1509 ERR("Number of Glyphs and Chars need to match at the beginning\n");
1513 if (!psa
->fLogicalOrder
&& psa
->fRTL
)
1524 if (!psc
->GSUB_Table
)
1525 psc
->GSUB_Table
= load_gsub_table(hdc
);
1527 context_type
= HeapAlloc(GetProcessHeap(),0,cChars
);
1528 context_shape
= HeapAlloc(GetProcessHeap(),0,sizeof(INT
) * cChars
);
1530 for (i
= 0; i
< cChars
; i
++)
1531 context_type
[i
] = get_table_entry( wine_shaping_table
, pwcChars
[i
] );
1533 for (i
= 0; i
< cChars
; i
++)
1535 if (context_type
[i
] == jtR
&& right_join_causing(neighbour_joining_type(i
,dirR
,context_type
,cChars
,psa
)))
1536 context_shape
[i
] = Xr
;
1537 else if (context_type
[i
] == jtL
&& left_join_causing(neighbour_joining_type(i
,dirL
,context_type
,cChars
,psa
)))
1538 context_shape
[i
] = Xl
;
1539 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
)))
1540 context_shape
[i
] = Xm
;
1541 else if (context_type
[i
] == jtD
&& right_join_causing(neighbour_joining_type(i
,dirR
,context_type
,cChars
,psa
)))
1542 context_shape
[i
] = Xr
;
1543 else if (context_type
[i
] == jtD
&& left_join_causing(neighbour_joining_type(i
,dirL
,context_type
,cChars
,psa
)))
1544 context_shape
[i
] = Xl
;
1546 context_shape
[i
] = Xn
;
1549 /* Contextual Shaping */
1551 while(i
< *pcGlyphs
)
1553 BOOL shaped
= FALSE
;
1555 if (psc
->GSUB_Table
)
1558 INT prevCount
= *pcGlyphs
;
1559 nextIndex
= apply_GSUB_feature_to_glyph(hdc
, psa
, psc
, pwOutGlyphs
, i
, dirL
, pcGlyphs
, contextual_features
[context_shape
[i
]]);
1560 if (nextIndex
> GSUB_E_NOGLYPH
)
1563 UpdateClusters(nextIndex
, *pcGlyphs
- prevCount
, dirL
, cChars
, pwLogClust
);
1565 shaped
= (nextIndex
> GSUB_E_NOGLYPH
);
1570 if (context_shape
[i
] == Xn
)
1572 WORD newGlyph
= pwOutGlyphs
[i
];
1573 if (pwcChars
[i
] >= FIRST_ARABIC_CHAR
&& pwcChars
[i
] <= LAST_ARABIC_CHAR
)
1575 /* fall back to presentation form B */
1576 WCHAR context_char
= wine_shaping_forms
[pwcChars
[i
] - FIRST_ARABIC_CHAR
][context_shape
[i
]];
1577 if (context_char
!= pwcChars
[i
] && GetGlyphIndicesW(hdc
, &context_char
, 1, &newGlyph
, 0) != GDI_ERROR
&& newGlyph
!= 0x0000)
1578 pwOutGlyphs
[i
] = newGlyph
;
1585 HeapFree(GetProcessHeap(),0,context_shape
);
1586 HeapFree(GetProcessHeap(),0,context_type
);
1590 * ContextualShape_Syriac
1594 #define DALATH 0x715
1597 static void ContextualShape_Syriac(HDC hdc
, ScriptCache
*psc
, SCRIPT_ANALYSIS
*psa
, WCHAR
* pwcChars
, INT cChars
, WORD
* pwOutGlyphs
, INT
* pcGlyphs
, INT cMaxGlyphs
, WORD
*pwLogClust
)
1604 if (*pcGlyphs
!= cChars
)
1606 ERR("Number of Glyphs and Chars need to match at the beginning\n");
1610 if (!psa
->fLogicalOrder
&& psa
->fRTL
)
1621 if (!psc
->GSUB_Table
)
1622 psc
->GSUB_Table
= load_gsub_table(hdc
);
1624 if (!psc
->GSUB_Table
)
1627 context_type
= HeapAlloc(GetProcessHeap(),0,cChars
);
1628 context_shape
= HeapAlloc(GetProcessHeap(),0,sizeof(INT
) * cChars
);
1630 for (i
= 0; i
< cChars
; i
++)
1631 context_type
[i
] = get_table_entry( wine_shaping_table
, pwcChars
[i
] );
1633 for (i
= 0; i
< cChars
; i
++)
1635 if (pwcChars
[i
] == ALAPH
)
1637 WCHAR rchar
= neighbour_char(i
,dirR
,pwcChars
,cChars
);
1639 if (left_join_causing(neighbour_joining_type(i
,dirR
,context_type
,cChars
,psa
)) && word_break_causing(neighbour_char(i
,dirL
,pwcChars
,cChars
)))
1640 context_shape
[i
] = Afj
;
1641 else if ( rchar
!= DALATH
&& rchar
!= RISH
&&
1642 !left_join_causing(neighbour_joining_type(i
,dirR
,context_type
,cChars
,psa
)) &&
1643 word_break_causing(neighbour_char(i
,dirL
,pwcChars
,cChars
)))
1644 context_shape
[i
] = Afn
;
1645 else if ( (rchar
== DALATH
|| rchar
== RISH
) && word_break_causing(neighbour_char(i
,dirL
,pwcChars
,cChars
)))
1646 context_shape
[i
] = Afx
;
1648 context_shape
[i
] = Xn
;
1650 else if (context_type
[i
] == jtR
&&
1651 right_join_causing(neighbour_joining_type(i
,dirR
,context_type
,cChars
,psa
)))
1652 context_shape
[i
] = Xr
;
1653 else if (context_type
[i
] == jtL
&& left_join_causing(neighbour_joining_type(i
,dirL
,context_type
,cChars
,psa
)))
1654 context_shape
[i
] = Xl
;
1655 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
)))
1656 context_shape
[i
] = Xm
;
1657 else if (context_type
[i
] == jtD
&& right_join_causing(neighbour_joining_type(i
,dirR
,context_type
,cChars
,psa
)))
1658 context_shape
[i
] = Xr
;
1659 else if (context_type
[i
] == jtD
&& left_join_causing(neighbour_joining_type(i
,dirL
,context_type
,cChars
,psa
)))
1660 context_shape
[i
] = Xl
;
1662 context_shape
[i
] = Xn
;
1665 /* Contextual Shaping */
1667 while(i
< *pcGlyphs
)
1670 INT prevCount
= *pcGlyphs
;
1671 nextIndex
= apply_GSUB_feature_to_glyph(hdc
, psa
, psc
, pwOutGlyphs
, i
, dirL
, pcGlyphs
, contextual_features
[context_shape
[i
]]);
1672 if (nextIndex
> GSUB_E_NOGLYPH
)
1674 UpdateClusters(nextIndex
, *pcGlyphs
- prevCount
, dirL
, cChars
, pwLogClust
);
1681 HeapFree(GetProcessHeap(),0,context_shape
);
1682 HeapFree(GetProcessHeap(),0,context_type
);
1686 * ContextualShape_Phags_pa
1689 #define phags_pa_CANDRABINDU 0xA873
1690 #define phags_pa_START 0xA840
1691 #define phags_pa_END 0xA87F
1693 static void ContextualShape_Phags_pa(HDC hdc
, ScriptCache
*psc
, SCRIPT_ANALYSIS
*psa
, WCHAR
* pwcChars
, INT cChars
, WORD
* pwOutGlyphs
, INT
* pcGlyphs
, INT cMaxGlyphs
, WORD
*pwLogClust
)
1699 if (*pcGlyphs
!= cChars
)
1701 ERR("Number of Glyphs and Chars need to match at the beginning\n");
1705 if (!psa
->fLogicalOrder
&& psa
->fRTL
)
1716 if (!psc
->GSUB_Table
)
1717 psc
->GSUB_Table
= load_gsub_table(hdc
);
1719 if (!psc
->GSUB_Table
)
1722 context_shape
= HeapAlloc(GetProcessHeap(),0,sizeof(INT
) * cChars
);
1724 for (i
= 0; i
< cChars
; i
++)
1726 if (pwcChars
[i
] >= phags_pa_START
&& pwcChars
[i
] <= phags_pa_END
)
1728 WCHAR rchar
= neighbour_char(i
,dirR
,pwcChars
,cChars
);
1729 WCHAR lchar
= neighbour_char(i
,dirL
,pwcChars
,cChars
);
1730 BOOL jrchar
= (rchar
!= phags_pa_CANDRABINDU
&& rchar
>= phags_pa_START
&& rchar
<= phags_pa_END
);
1731 BOOL jlchar
= (lchar
!= phags_pa_CANDRABINDU
&& lchar
>= phags_pa_START
&& lchar
<= phags_pa_END
);
1733 if (jrchar
&& jlchar
)
1734 context_shape
[i
] = Xm
;
1736 context_shape
[i
] = Xr
;
1738 context_shape
[i
] = Xl
;
1740 context_shape
[i
] = Xn
;
1743 context_shape
[i
] = -1;
1746 /* Contextual Shaping */
1748 while(i
< *pcGlyphs
)
1750 if (context_shape
[i
] >= 0)
1753 INT prevCount
= *pcGlyphs
;
1754 nextIndex
= apply_GSUB_feature_to_glyph(hdc
, psa
, psc
, pwOutGlyphs
, i
, dirL
, pcGlyphs
, contextual_features
[context_shape
[i
]]);
1755 if (nextIndex
> GSUB_E_NOGLYPH
)
1757 UpdateClusters(nextIndex
, *pcGlyphs
- prevCount
, dirL
, cChars
, pwLogClust
);
1767 HeapFree(GetProcessHeap(),0,context_shape
);
1770 static void ReplaceInsertChars(HDC hdc
, INT cWalk
, INT
* pcChars
, WCHAR
*pwOutChars
, const WCHAR
*replacements
)
1775 pwOutChars
[cWalk
] = replacements
[0];
1779 for (i
= 1; replacements
[i
] != 0x0000 && i
< 3; i
++)
1782 for (j
= *pcChars
; j
> cWalk
; j
--)
1783 pwOutChars
[j
] = pwOutChars
[j
-1];
1784 *pcChars
= *pcChars
+1;
1785 pwOutChars
[cWalk
] = replacements
[i
];
1790 static void DecomposeVowels(HDC hdc
, WCHAR
*pwOutChars
, INT
*pcChars
, const VowelComponents vowels
[], WORD
* pwLogClust
)
1796 for (cWalk
= 0; cWalk
< *pcChars
; cWalk
++)
1798 for (i
= 0; vowels
[i
].base
!= 0x0; i
++)
1800 if (pwOutChars
[cWalk
] == vowels
[i
].base
)
1804 ReplaceInsertChars(hdc
, cWalk
, pcChars
, pwOutChars
, vowels
[i
].parts
);
1805 if (vowels
[i
].parts
[1]) { cWalk
++; o
++; }
1806 if (vowels
[i
].parts
[2]) { cWalk
++; o
++; }
1808 for (j
= (cWalk
- offset
) + 1; j
< *pcChars
- offset
; j
++)
1816 static void ComposeConsonants(HDC hdc
, WCHAR
*pwOutChars
, INT
*pcChars
, const ConsonantComponents consonants
[], WORD
* pwLogClust
)
1822 for (cWalk
= 0; cWalk
< *pcChars
; cWalk
++)
1824 for (i
= 0; consonants
[i
].output
!= 0x0; i
++)
1827 for (j
= 0; j
+ cWalk
< *pcChars
&& consonants
[i
].parts
[j
]!=0x0; j
++)
1828 if (pwOutChars
[cWalk
+j
] != consonants
[i
].parts
[j
])
1831 if (consonants
[i
].parts
[j
]==0x0) /* matched all */
1835 pwOutChars
[cWalk
] = consonants
[i
].output
;
1836 for(k
= cWalk
+1; k
< *pcChars
- j
; k
++)
1837 pwOutChars
[k
] = pwOutChars
[k
+j
];
1838 *pcChars
= *pcChars
- j
;
1839 for (k
= j
; k
> 0; k
--)
1840 pwLogClust
[cWalk
+ k
+ offset
] = pwLogClust
[cWalk
+ offset
];
1842 for (k
= cWalk
+ j
+ offset
; k
< *pcChars
+ offset
; k
++)
1851 static void Reorder_Ra_follows_base(LPWSTR pwChar
, IndicSyllable
*s
, lexical_function lexical
)
1856 WORD Ra
= pwChar
[s
->start
];
1857 WORD H
= pwChar
[s
->start
+1];
1859 TRACE("Doing reorder of Ra to %i\n",s
->base
);
1860 for (j
= s
->start
; j
< s
->base
-1; j
++)
1861 pwChar
[j
] = pwChar
[j
+2];
1862 pwChar
[s
->base
-1] = Ra
;
1863 pwChar
[s
->base
] = H
;
1865 s
->ralf
= s
->base
-1;
1870 static void Reorder_Ra_follows_matra(LPWSTR pwChar
, IndicSyllable
*s
, lexical_function lexical
)
1875 int stop
= (s
->blwf
>=0)? s
->blwf
+1 : s
->base
;
1876 WORD Ra
= pwChar
[s
->start
];
1877 WORD H
= pwChar
[s
->start
+1];
1878 for (loc
= s
->end
; loc
> stop
; loc
--)
1879 if (lexical(pwChar
[loc
]) == lex_Matra_post
|| lexical(pwChar
[loc
]) == lex_Matra_below
)
1882 TRACE("Doing reorder of Ra to %i\n",loc
);
1883 for (j
= s
->start
; j
< loc
-1; j
++)
1884 pwChar
[j
] = pwChar
[j
+2];
1890 if (s
->blwf
>= 0) s
->blwf
-= 2;
1891 if (s
->pref
>= 0) s
->pref
-= 2;
1895 static void Reorder_Ra_follows_syllable(LPWSTR pwChar
, IndicSyllable
*s
, lexical_function lexical
)
1900 WORD Ra
= pwChar
[s
->start
];
1901 WORD H
= pwChar
[s
->start
+1];
1903 TRACE("Doing reorder of Ra to %i\n",s
->end
-1);
1904 for (j
= s
->start
; j
< s
->end
-1; j
++)
1905 pwChar
[j
] = pwChar
[j
+2];
1906 pwChar
[s
->end
-1] = Ra
;
1911 if (s
->blwf
>= 0) s
->blwf
-= 2;
1912 if (s
->pref
>= 0) s
->pref
-= 2;
1916 static void Reorder_Matra_precede_base(LPWSTR pwChar
, IndicSyllable
*s
, lexical_function lexical
)
1920 /* reorder Matras */
1921 if (s
->end
> s
->base
)
1923 for (i
= 1; i
<= s
->end
-s
->base
; i
++)
1925 if (lexical(pwChar
[s
->base
+i
]) == lex_Matra_pre
)
1928 WCHAR c
= pwChar
[s
->base
+i
];
1929 TRACE("Doing reorder of %x %x\n",c
,pwChar
[s
->base
]);
1930 for (j
= s
->base
+i
; j
> s
->base
; j
--)
1931 pwChar
[j
] = pwChar
[j
-1];
1932 pwChar
[s
->base
] = c
;
1934 if (s
->ralf
>= s
->base
) s
->ralf
++;
1935 if (s
->blwf
>= s
->base
) s
->blwf
++;
1936 if (s
->pref
>= s
->base
) s
->pref
++;
1943 static void Reorder_Matra_precede_syllable(LPWSTR pwChar
, IndicSyllable
*s
, lexical_function lexical
)
1947 /* reorder Matras */
1948 if (s
->end
> s
->base
)
1950 for (i
= 1; i
<= s
->end
-s
->base
; i
++)
1952 if (lexical(pwChar
[s
->base
+i
]) == lex_Matra_pre
)
1955 WCHAR c
= pwChar
[s
->base
+i
];
1956 TRACE("Doing reorder of %x to %i\n",c
,s
->start
);
1957 for (j
= s
->base
+i
; j
> s
->start
; j
--)
1958 pwChar
[j
] = pwChar
[j
-1];
1959 pwChar
[s
->start
] = c
;
1961 if (s
->ralf
>= 0) s
->ralf
++;
1962 if (s
->blwf
>= 0) s
->blwf
++;
1963 if (s
->pref
>= 0) s
->pref
++;
1970 static void SecondReorder_Blwf_follows_matra(LPWSTR pwChar
, IndicSyllable
*s
, WORD
*glyphs
, IndicSyllable
*g
, lexical_function lexical
)
1972 if (s
->blwf
>= 0 && g
->blwf
> g
->base
)
1976 for (loc
= s
->end
; loc
> s
->blwf
; loc
--)
1977 if (lexical(pwChar
[loc
]) == lex_Matra_below
|| lexical(pwChar
[loc
]) == lex_Matra_above
|| lexical(pwChar
[loc
]) == lex_Matra_post
)
1980 g_offset
= (loc
- s
->blwf
) - 1;
1984 WORD blwf
= glyphs
[g
->blwf
];
1985 TRACE("Doing reorder of Below-base to %i (glyph offset %i)\n",loc
,g_offset
);
1986 /* do not care about the pwChar array anymore, just the glyphs */
1987 for (j
= 0; j
< g_offset
; j
++)
1988 glyphs
[g
->blwf
+ j
] = glyphs
[g
->blwf
+ j
+ 1];
1989 glyphs
[g
->blwf
+ g_offset
] = blwf
;
1994 static void SecondReorder_Matra_precede_base(LPWSTR pwChar
, IndicSyllable
*s
, WORD
*glyphs
, IndicSyllable
*g
, lexical_function lexical
)
1998 /* reorder previously moved Matras to correct position*/
1999 for (i
= s
->start
; i
< s
->base
; i
++)
2001 if (lexical(pwChar
[i
]) == lex_Matra_pre
)
2004 int g_start
= g
->start
+ i
- s
->start
;
2005 if (g_start
< g
->base
-1 )
2007 WCHAR og
= glyphs
[g_start
];
2008 TRACE("Doing reorder of matra from %i to %i\n",g_start
,g
->base
);
2009 for (j
= g_start
; j
< g
->base
-1; j
++)
2010 glyphs
[j
] = glyphs
[j
+1];
2011 glyphs
[g
->base
-1] = og
;
2017 static void SecondReorder_Pref_precede_base(LPWSTR pwChar
, IndicSyllable
*s
, WORD
*glyphs
, IndicSyllable
*g
, lexical_function lexical
)
2019 if (s
->pref
>= 0 && g
->pref
> g
->base
)
2022 WCHAR og
= glyphs
[g
->pref
];
2023 TRACE("Doing reorder of pref from %i to %i\n",g
->pref
,g
->base
);
2024 for (j
= g
->pref
; j
> g
->base
; j
--)
2025 glyphs
[j
] = glyphs
[j
-1];
2026 glyphs
[g
->base
] = og
;
2030 static void Reorder_Like_Sinhala(LPWSTR pwChar
, IndicSyllable
*s
, lexical_function lexical
)
2032 TRACE("Syllable (%i..%i..%i)\n",s
->start
,s
->base
,s
->end
);
2033 if (s
->start
== s
->base
&& s
->base
== s
->end
) return;
2034 if (lexical(pwChar
[s
->base
]) == lex_Vowel
) return;
2036 Reorder_Ra_follows_base(pwChar
, s
, lexical
);
2037 Reorder_Matra_precede_base(pwChar
, s
, lexical
);
2040 static void Reorder_Like_Devanagari(LPWSTR pwChar
, IndicSyllable
*s
, lexical_function lexical
)
2042 TRACE("Syllable (%i..%i..%i)\n",s
->start
,s
->base
,s
->end
);
2043 if (s
->start
== s
->base
&& s
->base
== s
->end
) return;
2044 if (lexical(pwChar
[s
->base
]) == lex_Vowel
) return;
2046 Reorder_Ra_follows_matra(pwChar
, s
, lexical
);
2047 Reorder_Matra_precede_syllable(pwChar
, s
, lexical
);
2050 static void Reorder_Like_Bengali(LPWSTR pwChar
, IndicSyllable
*s
, lexical_function lexical
)
2052 TRACE("Syllable (%i..%i..%i)\n",s
->start
,s
->base
,s
->end
);
2053 if (s
->start
== s
->base
&& s
->base
== s
->end
) return;
2054 if (lexical(pwChar
[s
->base
]) == lex_Vowel
) return;
2056 Reorder_Ra_follows_base(pwChar
, s
, lexical
);
2057 Reorder_Matra_precede_syllable(pwChar
, s
, lexical
);
2060 static void Reorder_Like_Kannada(LPWSTR pwChar
, IndicSyllable
*s
, lexical_function lexical
)
2062 TRACE("Syllable (%i..%i..%i)\n",s
->start
,s
->base
,s
->end
);
2063 if (s
->start
== s
->base
&& s
->base
== s
->end
) return;
2064 if (lexical(pwChar
[s
->base
]) == lex_Vowel
) return;
2066 Reorder_Ra_follows_syllable(pwChar
, s
, lexical
);
2067 Reorder_Matra_precede_syllable(pwChar
, s
, lexical
);
2070 static void SecondReorder_Like_Telugu(LPWSTR pwChar
, IndicSyllable
*s
, WORD
* pwGlyphs
, IndicSyllable
*g
, lexical_function lexical
)
2072 TRACE("Syllable (%i..%i..%i)\n",s
->start
,s
->base
,s
->end
);
2073 TRACE("Glyphs (%i..%i..%i)\n",g
->start
,g
->base
,g
->end
);
2074 if (s
->start
== s
->base
&& s
->base
== s
->end
) return;
2075 if (lexical(pwChar
[s
->base
]) == lex_Vowel
) return;
2077 SecondReorder_Blwf_follows_matra(pwChar
, s
, pwGlyphs
, g
, lexical
);
2080 static void SecondReorder_Like_Tamil(LPWSTR pwChar
, IndicSyllable
*s
, WORD
* pwGlyphs
, IndicSyllable
*g
, lexical_function lexical
)
2082 TRACE("Syllable (%i..%i..%i)\n",s
->start
,s
->base
,s
->end
);
2083 TRACE("Glyphs (%i..%i..%i)\n",g
->start
,g
->base
,g
->end
);
2084 if (s
->start
== s
->base
&& s
->base
== s
->end
) return;
2085 if (lexical(pwChar
[s
->base
]) == lex_Vowel
) return;
2087 SecondReorder_Matra_precede_base(pwChar
, s
, pwGlyphs
, g
, lexical
);
2088 SecondReorder_Pref_precede_base(pwChar
, s
, pwGlyphs
, g
, lexical
);
2092 static inline void shift_syllable_glyph_indexs(IndicSyllable
*glyph_index
, INT index
, INT shift
)
2097 if (glyph_index
->start
> index
)
2098 glyph_index
->start
+= shift
;
2099 if (glyph_index
->base
> index
)
2100 glyph_index
->base
+= shift
;
2101 if (glyph_index
->end
> index
)
2102 glyph_index
->end
+= shift
;
2103 if (glyph_index
->ralf
> index
)
2104 glyph_index
->ralf
+= shift
;
2105 if (glyph_index
->blwf
> index
)
2106 glyph_index
->blwf
+= shift
;
2107 if (glyph_index
->pref
> index
)
2108 glyph_index
->pref
+= shift
;
2111 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
)
2113 int index
= glyph_index
->start
;
2118 while(index
<= glyph_index
->end
)
2121 INT prevCount
= *pcGlyphs
;
2122 nextIndex
= GSUB_apply_feature(psc
->GSUB_Table
, feature
, pwOutGlyphs
, index
, 1, pcGlyphs
);
2123 if (nextIndex
> GSUB_E_NOGLYPH
)
2125 UpdateClusters(nextIndex
, *pcGlyphs
- prevCount
, 1, cChars
, pwLogClust
);
2126 shift_syllable_glyph_indexs(glyph_index
,index
,*pcGlyphs
- prevCount
);
2134 static inline INT
find_consonant_halant(WCHAR
* pwChars
, INT index
, INT end
, lexical_function lexical
)
2137 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
)))))
2139 if (index
+ i
<= end
-1)
2145 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
)
2147 INT index
, nextIndex
;
2150 count
= syllable
->base
- syllable
->start
;
2153 index
= find_consonant_halant(&pwChars
[syllable
->start
], 0, count
, lexical
);
2154 while (index
>= 0 && index
+ g_offset
< (glyph_index
->base
- glyph_index
->start
))
2156 INT prevCount
= *pcGlyphs
;
2157 nextIndex
= apply_GSUB_feature_to_glyph(hdc
, psa
, psc
, pwOutGlyphs
, index
+glyph_index
->start
+g_offset
, 1, pcGlyphs
, feature
);
2158 if (nextIndex
> GSUB_E_NOGLYPH
)
2160 UpdateClusters(nextIndex
, *pcGlyphs
- prevCount
, 1, cChars
, pwLogClust
);
2161 shift_syllable_glyph_indexs(glyph_index
, index
+ glyph_index
->start
+ g_offset
, (*pcGlyphs
- prevCount
));
2162 g_offset
+= (*pcGlyphs
- prevCount
);
2166 index
= find_consonant_halant(&pwChars
[syllable
->start
], index
, count
, lexical
);
2170 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
)
2173 INT prevCount
= *pcGlyphs
;
2175 if (syllable
->ralf
>= 0)
2177 nextIndex
= apply_GSUB_feature_to_glyph(hdc
, psa
, psc
, pwOutGlyphs
, glyph_index
->ralf
, 1, pcGlyphs
, "rphf");
2178 if (nextIndex
> GSUB_E_NOGLYPH
)
2180 UpdateClusters(nextIndex
, *pcGlyphs
- prevCount
, 1, cChars
, pwLogClust
);
2181 shift_syllable_glyph_indexs(glyph_index
,glyph_index
->ralf
,*pcGlyphs
- prevCount
);
2186 static inline INT
find_halant_consonant(WCHAR
* pwChars
, INT index
, INT end
, lexical_function lexical
)
2189 while (index
+ i
< end
-1 && !(lexical(pwChars
[index
+i
]) == lex_Halant
&&
2190 ((index
+ i
< end
-2 && lexical(pwChars
[index
+i
]) == lex_Nukta
&& is_consonant(lexical(pwChars
[index
+i
+1]))) ||
2191 is_consonant(lexical(pwChars
[index
+i
+1])))))
2193 if (index
+ i
<= end
-1)
2199 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
)
2201 INT index
, nextIndex
;
2202 INT count
, g_offset
=0;
2203 INT ralf
= syllable
->ralf
;
2205 count
= syllable
->end
- syllable
->base
;
2207 index
= find_halant_consonant(&pwChars
[syllable
->base
], 0, count
, lexical
);
2211 INT prevCount
= *pcGlyphs
;
2212 if (ralf
>=0 && ralf
< index
)
2220 WORD g
= pwOutGlyphs
[index
+glyph_index
->base
+g_offset
];
2221 pwOutGlyphs
[index
+glyph_index
->base
+g_offset
] = pwOutGlyphs
[index
+glyph_index
->base
+g_offset
+1];
2222 pwOutGlyphs
[index
+glyph_index
->base
+g_offset
+1] = g
;
2225 nextIndex
= apply_GSUB_feature_to_glyph(hdc
, psa
, psc
, pwOutGlyphs
, index
+glyph_index
->base
+g_offset
, 1, pcGlyphs
, feat
);
2226 if (nextIndex
> GSUB_E_NOGLYPH
)
2228 UpdateClusters(nextIndex
, *pcGlyphs
- prevCount
, 1, cChars
, pwLogClust
);
2229 shift_syllable_glyph_indexs(glyph_index
,index
+glyph_index
->start
+g_offset
, (*pcGlyphs
- prevCount
));
2230 g_offset
+= (*pcGlyphs
- prevCount
);
2234 WORD g
= pwOutGlyphs
[index
+glyph_index
->base
+g_offset
];
2235 pwOutGlyphs
[index
+glyph_index
->base
+g_offset
] = pwOutGlyphs
[index
+glyph_index
->base
+g_offset
+1];
2236 pwOutGlyphs
[index
+glyph_index
->base
+g_offset
+1] = g
;
2240 index
= find_halant_consonant(&pwChars
[syllable
->base
], index
, count
, lexical
);
2244 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
)
2247 int overall_shift
= 0;
2248 const GSUB_Feature
*locl
= (modern
)?load_GSUB_feature(hdc
, psa
, psc
, "locl"):NULL
;
2249 const GSUB_Feature
*nukt
= load_GSUB_feature(hdc
, psa
, psc
, "nukt");
2250 const GSUB_Feature
*akhn
= load_GSUB_feature(hdc
, psa
, psc
, "akhn");
2251 const GSUB_Feature
*rkrf
= (modern
)?load_GSUB_feature(hdc
, psa
, psc
, "rkrf"):NULL
;
2252 const GSUB_Feature
*pstf
= load_GSUB_feature(hdc
, psa
, psc
, "pstf");
2253 const GSUB_Feature
*vatu
= (!rkrf
)?load_GSUB_feature(hdc
, psa
, psc
, "vatu"):NULL
;
2254 const GSUB_Feature
*cjct
= (modern
)?load_GSUB_feature(hdc
, psa
, psc
, "cjct"):NULL
;
2255 BOOL rphf
= (load_GSUB_feature(hdc
, psa
, psc
, "rphf") != NULL
);
2256 BOOL pref
= (load_GSUB_feature(hdc
, psa
, psc
, "pref") != NULL
);
2257 BOOL blwf
= (load_GSUB_feature(hdc
, psa
, psc
, "blwf") != NULL
);
2258 BOOL half
= (load_GSUB_feature(hdc
, psa
, psc
, "half") != NULL
);
2259 IndicSyllable glyph_indexs
;
2261 for (c
= 0; c
< syllable_count
; c
++)
2264 memcpy(&glyph_indexs
, &syllables
[c
], sizeof(IndicSyllable
));
2265 shift_syllable_glyph_indexs(&glyph_indexs
, -1, overall_shift
);
2266 old_end
= glyph_indexs
.end
;
2270 TRACE("applying feature locl\n");
2271 Apply_Indic_BasicForm(hdc
, psc
, psa
, pwChars
, cChars
, &syllables
[c
], pwOutGlyphs
, pcGlyphs
, pwLogClust
, lexical
, &glyph_indexs
, locl
);
2275 TRACE("applying feature nukt\n");
2276 Apply_Indic_BasicForm(hdc
, psc
, psa
, pwChars
, cChars
, &syllables
[c
], pwOutGlyphs
, pcGlyphs
, pwLogClust
, lexical
, &glyph_indexs
, nukt
);
2280 TRACE("applying feature akhn\n");
2281 Apply_Indic_BasicForm(hdc
, psc
, psa
, pwChars
, cChars
, &syllables
[c
], pwOutGlyphs
, pcGlyphs
, pwLogClust
, lexical
, &glyph_indexs
, akhn
);
2285 Apply_Indic_Rphf(hdc
, psc
, psa
, pwChars
, cChars
, &syllables
[c
], pwOutGlyphs
, pcGlyphs
, pwLogClust
, lexical
, &glyph_indexs
);
2288 TRACE("applying feature rkrf\n");
2289 Apply_Indic_BasicForm(hdc
, psc
, psa
, pwChars
, cChars
, &syllables
[c
], pwOutGlyphs
, pcGlyphs
, pwLogClust
, lexical
, &glyph_indexs
, rkrf
);
2292 Apply_Indic_PostBase(hdc
, psc
, psa
, pwChars
, cChars
, &syllables
[c
], pwOutGlyphs
, pcGlyphs
, pwLogClust
, lexical
, &glyph_indexs
, modern
, "pref");
2296 Apply_Indic_PreBase(hdc
, psc
, psa
, pwChars
, cChars
, &syllables
[c
], pwOutGlyphs
, pcGlyphs
, pwLogClust
, lexical
, &glyph_indexs
, "blwf");
2298 Apply_Indic_PostBase(hdc
, psc
, psa
, pwChars
, cChars
, &syllables
[c
], pwOutGlyphs
, pcGlyphs
, pwLogClust
, lexical
, &glyph_indexs
, modern
, "blwf");
2302 Apply_Indic_PreBase(hdc
, psc
, psa
, pwChars
, cChars
, &syllables
[c
], pwOutGlyphs
, pcGlyphs
, pwLogClust
, lexical
, &glyph_indexs
, "half");
2305 TRACE("applying feature pstf\n");
2306 Apply_Indic_BasicForm(hdc
, psc
, psa
, pwChars
, cChars
, &syllables
[c
], pwOutGlyphs
, pcGlyphs
, pwLogClust
, lexical
, &glyph_indexs
, pstf
);
2310 TRACE("applying feature vatu\n");
2311 Apply_Indic_BasicForm(hdc
, psc
, psa
, pwChars
, cChars
, &syllables
[c
], pwOutGlyphs
, pcGlyphs
, pwLogClust
, lexical
, &glyph_indexs
, vatu
);
2315 TRACE("applying feature cjct\n");
2316 Apply_Indic_BasicForm(hdc
, psc
, psa
, pwChars
, cChars
, &syllables
[c
], pwOutGlyphs
, pcGlyphs
, pwLogClust
, lexical
, &glyph_indexs
, cjct
);
2320 second_reorder(pwChars
, &syllables
[c
], pwOutGlyphs
, &glyph_indexs
, lexical
);
2322 overall_shift
+= glyph_indexs
.end
- old_end
;
2326 static inline int unicode_lex(WCHAR c
)
2330 if (!c
) return lex_Generic
;
2331 if (c
== 0x200D) return lex_ZWJ
;
2332 if (c
== 0x200C) return lex_ZWNJ
;
2333 if (c
== 0x00A0) return lex_NBSP
;
2335 type
= get_table_entry( indic_syllabic_table
, c
);
2337 if ((type
& 0x00ff) != 0x0007) type
= type
& 0x00ff;
2341 case 0x0d07: /* Unknown */
2342 case 0x0e07: /* Unknwon */
2343 default: return lex_Generic
;
2349 case 0x0014: return lex_Modifier
;
2357 case 0x0010: return lex_Consonant
;
2358 case 0x0004: return lex_Nukta
;
2359 case 0x0005: return lex_Halant
;
2361 case 0x0008: return lex_Vowel
;
2363 case 0x0107: return lex_Matra_post
;
2365 case 0x0307: return lex_Matra_pre
;
2371 case 0x0407: return lex_Composed_Vowel
;
2372 case 0x0507: return lex_Matra_above
;
2373 case 0x0607: return lex_Matra_below
;
2374 case 0x000c: return lex_Ra
;
2378 static int sinhala_lex(WCHAR c
)
2385 case 0x0DDE: return lex_Matra_post
;
2387 return unicode_lex(c
);
2391 static const VowelComponents Sinhala_vowels
[] = {
2392 {0x0DDA, {0x0DD9,0x0DDA,0x0}},
2393 {0x0DDC, {0x0DD9,0x0DDC,0x0}},
2394 {0x0DDD, {0x0DD9,0x0DDD,0x0}},
2395 {0x0DDE, {0x0DD9,0x0DDE,0x0}},
2396 {0x0000, {0x0000,0x0000,0x0}}};
2398 static void ContextualShape_Sinhala(HDC hdc
, ScriptCache
*psc
, SCRIPT_ANALYSIS
*psa
, WCHAR
* pwcChars
, INT cChars
, WORD
* pwOutGlyphs
, INT
* pcGlyphs
, INT cMaxGlyphs
, WORD
*pwLogClust
)
2400 int cCount
= cChars
;
2403 IndicSyllable
*syllables
= NULL
;
2404 int syllable_count
= 0;
2406 if (*pcGlyphs
!= cChars
)
2408 ERR("Number of Glyphs and Chars need to match at the beginning\n");
2412 input
= HeapAlloc(GetProcessHeap(),0,sizeof(WCHAR
) * (cChars
* 3));
2414 memcpy(input
, pwcChars
, cChars
* sizeof(WCHAR
));
2416 /* Step 1: Decompose multi part vowels */
2417 DecomposeVowels(hdc
, input
, &cCount
, Sinhala_vowels
, pwLogClust
);
2419 TRACE("New double vowel expanded string %s (%i)\n",debugstr_wn(input
,cCount
),cCount
);
2421 /* Step 2: Reorder within Syllables */
2422 Indic_ReorderCharacters( hdc
, psa
, psc
, input
, cCount
, &syllables
, &syllable_count
, sinhala_lex
, Reorder_Like_Sinhala
, TRUE
);
2423 TRACE("reordered string %s\n",debugstr_wn(input
,cCount
));
2425 /* Step 3: Strip dangling joiners */
2426 for (i
= 0; i
< cCount
; i
++)
2428 if ((input
[i
] == 0x200D || input
[i
] == 0x200C) &&
2429 (i
== 0 || input
[i
-1] == 0x0020 || i
== cCount
-1 || input
[i
+1] == 0x0020))
2433 /* Step 4: Base Form application to syllables */
2434 GetGlyphIndicesW(hdc
, input
, cCount
, pwOutGlyphs
, 0);
2436 ShapeIndicSyllables(hdc
, psc
, psa
, input
, cChars
, syllables
, syllable_count
, pwOutGlyphs
, pcGlyphs
, pwLogClust
, sinhala_lex
, NULL
, TRUE
);
2438 HeapFree(GetProcessHeap(),0,input
);
2439 HeapFree(GetProcessHeap(),0,syllables
);
2442 static int devanagari_lex(WCHAR c
)
2446 case 0x0930: return lex_Ra
;
2448 return unicode_lex(c
);
2452 static const ConsonantComponents Devanagari_consonants
[] ={
2453 {{0x0928, 0x093C, 0x00000}, 0x0929},
2454 {{0x0930, 0x093C, 0x00000}, 0x0931},
2455 {{0x0933, 0x093C, 0x00000}, 0x0934},
2456 {{0x0915, 0x093C, 0x00000}, 0x0958},
2457 {{0x0916, 0x093C, 0x00000}, 0x0959},
2458 {{0x0917, 0x093C, 0x00000}, 0x095A},
2459 {{0x091C, 0x093C, 0x00000}, 0x095B},
2460 {{0x0921, 0x093C, 0x00000}, 0x095C},
2461 {{0x0922, 0x093C, 0x00000}, 0x095D},
2462 {{0x092B, 0x093C, 0x00000}, 0x095E},
2463 {{0x092F, 0x093C, 0x00000}, 0x095F}};
2465 static void ContextualShape_Devanagari(HDC hdc
, ScriptCache
*psc
, SCRIPT_ANALYSIS
*psa
, WCHAR
* pwcChars
, INT cChars
, WORD
* pwOutGlyphs
, INT
* pcGlyphs
, INT cMaxGlyphs
, WORD
*pwLogClust
)
2467 int cCount
= cChars
;
2469 IndicSyllable
*syllables
= NULL
;
2470 int syllable_count
= 0;
2471 BOOL modern
= get_GSUB_Indic2(psa
, psc
);
2473 if (*pcGlyphs
!= cChars
)
2475 ERR("Number of Glyphs and Chars need to match at the beginning\n");
2479 input
= HeapAlloc(GetProcessHeap(), 0, cChars
* sizeof(WCHAR
));
2480 memcpy(input
, pwcChars
, cChars
* sizeof(WCHAR
));
2482 /* Step 1: Compose Consonant and Nukta */
2483 ComposeConsonants(hdc
, input
, &cCount
, Devanagari_consonants
, pwLogClust
);
2484 TRACE("New composed string %s (%i)\n",debugstr_wn(input
,cCount
),cCount
);
2486 /* Step 2: Reorder within Syllables */
2487 Indic_ReorderCharacters( hdc
, psa
, psc
, input
, cCount
, &syllables
, &syllable_count
, devanagari_lex
, Reorder_Like_Devanagari
, modern
);
2488 TRACE("reordered string %s\n",debugstr_wn(input
,cCount
));
2489 GetGlyphIndicesW(hdc
, input
, cCount
, pwOutGlyphs
, 0);
2492 /* Step 3: Base Form application to syllables */
2493 ShapeIndicSyllables(hdc
, psc
, psa
, input
, cChars
, syllables
, syllable_count
, pwOutGlyphs
, pcGlyphs
, pwLogClust
, devanagari_lex
, NULL
, modern
);
2495 HeapFree(GetProcessHeap(),0,input
);
2496 HeapFree(GetProcessHeap(),0,syllables
);
2499 static int bengali_lex(WCHAR c
)
2503 case 0x09B0: return lex_Ra
;
2505 return unicode_lex(c
);
2509 static const VowelComponents Bengali_vowels
[] = {
2510 {0x09CB, {0x09C7,0x09BE,0x0000}},
2511 {0x09CC, {0x09C7,0x09D7,0x0000}},
2512 {0x0000, {0x0000,0x0000,0x0000}}};
2514 static const ConsonantComponents Bengali_consonants
[] = {
2515 {{0x09A4,0x09CD,0x200D}, 0x09CE},
2516 {{0x09A1,0x09BC,0x0000}, 0x09DC},
2517 {{0x09A2,0x09BC,0x0000}, 0x09DD},
2518 {{0x09AF,0x09BC,0x0000}, 0x09DF},
2519 {{0x0000,0x0000,0x0000}, 0x0000}};
2521 static void ContextualShape_Bengali(HDC hdc
, ScriptCache
*psc
, SCRIPT_ANALYSIS
*psa
, WCHAR
* pwcChars
, INT cChars
, WORD
* pwOutGlyphs
, INT
* pcGlyphs
, INT cMaxGlyphs
, WORD
*pwLogClust
)
2523 int cCount
= cChars
;
2525 IndicSyllable
*syllables
= NULL
;
2526 int syllable_count
= 0;
2527 BOOL modern
= get_GSUB_Indic2(psa
, psc
);
2529 if (*pcGlyphs
!= cChars
)
2531 ERR("Number of Glyphs and Chars need to match at the beginning\n");
2535 input
= HeapAlloc(GetProcessHeap(), 0, (cChars
* 2) * sizeof(WCHAR
));
2536 memcpy(input
, pwcChars
, cChars
* sizeof(WCHAR
));
2538 /* Step 1: Decompose Vowels and Compose Consonents */
2539 DecomposeVowels(hdc
, input
, &cCount
, Bengali_vowels
, pwLogClust
);
2540 ComposeConsonants(hdc
, input
, &cCount
, Bengali_consonants
, pwLogClust
);
2541 TRACE("New composed string %s (%i)\n",debugstr_wn(input
,cCount
),cCount
);
2543 /* Step 2: Reorder within Syllables */
2544 Indic_ReorderCharacters( hdc
, psa
, psc
, input
, cCount
, &syllables
, &syllable_count
, bengali_lex
, Reorder_Like_Bengali
, modern
);
2545 TRACE("reordered string %s\n",debugstr_wn(input
,cCount
));
2546 GetGlyphIndicesW(hdc
, input
, cCount
, pwOutGlyphs
, 0);
2549 /* Step 3: Initial form is only applied to the beginning of words */
2550 for (cCount
= cCount
- 1 ; cCount
>= 0; cCount
--)
2552 if (cCount
== 0 || input
[cCount
] == 0x0020) /* space */
2556 if (index
> 0) index
++;
2558 apply_GSUB_feature_to_glyph(hdc
, psa
, psc
, &pwOutGlyphs
[index
], 0, 1, &gCount
, "init");
2562 /* Step 4: Base Form application to syllables */
2563 ShapeIndicSyllables(hdc
, psc
, psa
, input
, cChars
, syllables
, syllable_count
, pwOutGlyphs
, pcGlyphs
, pwLogClust
, bengali_lex
, NULL
, modern
);
2565 HeapFree(GetProcessHeap(),0,input
);
2566 HeapFree(GetProcessHeap(),0,syllables
);
2569 static int gurmukhi_lex(WCHAR c
)
2571 return unicode_lex(c
);
2574 static const ConsonantComponents Gurmukhi_consonants
[] = {
2575 {{0x0A32,0x0A3C,0x0000}, 0x0A33},
2576 {{0x0A38,0x0A3C,0x0000}, 0x0A36},
2577 {{0x0A16,0x0A3C,0x0000}, 0x0A59},
2578 {{0x0A17,0x0A3C,0x0000}, 0x0A5A},
2579 {{0x0A1C,0x0A3C,0x0000}, 0x0A5B},
2580 {{0x0A2B,0x0A3C,0x0000}, 0x0A5E},
2581 {{0x0000,0x0000,0x0000}, 0x0000}};
2583 static void ContextualShape_Gurmukhi(HDC hdc
, ScriptCache
*psc
, SCRIPT_ANALYSIS
*psa
, WCHAR
* pwcChars
, INT cChars
, WORD
* pwOutGlyphs
, INT
* pcGlyphs
, INT cMaxGlyphs
, WORD
*pwLogClust
)
2585 int cCount
= cChars
;
2587 IndicSyllable
*syllables
= NULL
;
2588 int syllable_count
= 0;
2589 BOOL modern
= get_GSUB_Indic2(psa
, psc
);
2591 if (*pcGlyphs
!= cChars
)
2593 ERR("Number of Glyphs and Chars need to match at the beginning\n");
2597 input
= HeapAlloc(GetProcessHeap(), 0, cChars
* sizeof(WCHAR
));
2598 memcpy(input
, pwcChars
, cChars
* sizeof(WCHAR
));
2600 /* Step 1: Compose Consonents */
2601 ComposeConsonants(hdc
, input
, &cCount
, Gurmukhi_consonants
, pwLogClust
);
2602 TRACE("New composed string %s (%i)\n",debugstr_wn(input
,cCount
),cCount
);
2604 /* Step 2: Reorder within Syllables */
2605 Indic_ReorderCharacters( hdc
, psa
, psc
, input
, cCount
, &syllables
, &syllable_count
, gurmukhi_lex
, Reorder_Like_Bengali
, modern
);
2606 TRACE("reordered string %s\n",debugstr_wn(input
,cCount
));
2607 GetGlyphIndicesW(hdc
, input
, cCount
, pwOutGlyphs
, 0);
2610 /* Step 3: Base Form application to syllables */
2611 ShapeIndicSyllables(hdc
, psc
, psa
, input
, cChars
, syllables
, syllable_count
, pwOutGlyphs
, pcGlyphs
, pwLogClust
, gurmukhi_lex
, NULL
, modern
);
2613 HeapFree(GetProcessHeap(),0,input
);
2614 HeapFree(GetProcessHeap(),0,syllables
);
2617 static int gujarati_lex(WCHAR c
)
2621 case 0x0AB0: return lex_Ra
;
2623 return unicode_lex(c
);
2627 static void ContextualShape_Gujarati(HDC hdc
, ScriptCache
*psc
, SCRIPT_ANALYSIS
*psa
, WCHAR
* pwcChars
, INT cChars
, WORD
* pwOutGlyphs
, INT
* pcGlyphs
, INT cMaxGlyphs
, WORD
*pwLogClust
)
2629 int cCount
= cChars
;
2631 IndicSyllable
*syllables
= NULL
;
2632 int syllable_count
= 0;
2633 BOOL modern
= get_GSUB_Indic2(psa
, psc
);
2635 if (*pcGlyphs
!= cChars
)
2637 ERR("Number of Glyphs and Chars need to match at the beginning\n");
2641 input
= HeapAlloc(GetProcessHeap(), 0, cChars
* sizeof(WCHAR
));
2642 memcpy(input
, pwcChars
, cChars
* sizeof(WCHAR
));
2644 /* Step 1: Reorder within Syllables */
2645 Indic_ReorderCharacters( hdc
, psa
, psc
, input
, cCount
, &syllables
, &syllable_count
, gujarati_lex
, Reorder_Like_Devanagari
, modern
);
2646 TRACE("reordered string %s\n",debugstr_wn(input
,cCount
));
2647 GetGlyphIndicesW(hdc
, input
, cCount
, pwOutGlyphs
, 0);
2650 /* Step 2: Base Form application to syllables */
2651 ShapeIndicSyllables(hdc
, psc
, psa
, input
, cChars
, syllables
, syllable_count
, pwOutGlyphs
, pcGlyphs
, pwLogClust
, gujarati_lex
, NULL
, modern
);
2653 HeapFree(GetProcessHeap(),0,input
);
2654 HeapFree(GetProcessHeap(),0,syllables
);
2657 static int oriya_lex(WCHAR c
)
2661 case 0x0B30: return lex_Ra
;
2663 return unicode_lex(c
);
2667 static const VowelComponents Oriya_vowels
[] = {
2668 {0x0B48, {0x0B47,0x0B56,0x0000}},
2669 {0x0B4B, {0x0B47,0x0B3E,0x0000}},
2670 {0x0B4C, {0x0B47,0x0B57,0x0000}},
2671 {0x0000, {0x0000,0x0000,0x0000}}};
2673 static const ConsonantComponents Oriya_consonants
[] = {
2674 {{0x0B21,0x0B3C,0x0000}, 0x0B5C},
2675 {{0x0B22,0x0B3C,0x0000}, 0x0B5D},
2676 {{0x0000,0x0000,0x0000}, 0x0000}};
2678 static void ContextualShape_Oriya(HDC hdc
, ScriptCache
*psc
, SCRIPT_ANALYSIS
*psa
, WCHAR
* pwcChars
, INT cChars
, WORD
* pwOutGlyphs
, INT
* pcGlyphs
, INT cMaxGlyphs
, WORD
*pwLogClust
)
2680 int cCount
= cChars
;
2682 IndicSyllable
*syllables
= NULL
;
2683 int syllable_count
= 0;
2684 BOOL modern
= get_GSUB_Indic2(psa
, psc
);
2686 if (*pcGlyphs
!= cChars
)
2688 ERR("Number of Glyphs and Chars need to match at the beginning\n");
2692 input
= HeapAlloc(GetProcessHeap(), 0, (cChars
*2) * sizeof(WCHAR
));
2693 memcpy(input
, pwcChars
, cChars
* sizeof(WCHAR
));
2695 /* Step 1: Decompose Vowels and Compose Consonents */
2696 DecomposeVowels(hdc
, input
, &cCount
, Oriya_vowels
, pwLogClust
);
2697 ComposeConsonants(hdc
, input
, &cCount
, Oriya_consonants
, pwLogClust
);
2698 TRACE("New composed string %s (%i)\n",debugstr_wn(input
,cCount
),cCount
);
2700 /* Step 2: Reorder within Syllables */
2701 Indic_ReorderCharacters( hdc
, psa
, psc
, input
, cCount
, &syllables
, &syllable_count
, oriya_lex
, Reorder_Like_Bengali
, modern
);
2702 TRACE("reordered string %s\n",debugstr_wn(input
,cCount
));
2703 GetGlyphIndicesW(hdc
, input
, cCount
, pwOutGlyphs
, 0);
2706 /* Step 3: Base Form application to syllables */
2707 ShapeIndicSyllables(hdc
, psc
, psa
, input
, cChars
, syllables
, syllable_count
, pwOutGlyphs
, pcGlyphs
, pwLogClust
, oriya_lex
, NULL
, modern
);
2709 HeapFree(GetProcessHeap(),0,input
);
2710 HeapFree(GetProcessHeap(),0,syllables
);
2713 static int tamil_lex(WCHAR c
)
2715 return unicode_lex(c
);
2718 static const VowelComponents Tamil_vowels
[] = {
2719 {0x0BCA, {0x0BC6,0x0BBE,0x0000}},
2720 {0x0BCB, {0x0BC7,0x0BBE,0x0000}},
2721 {0x0BCB, {0x0BC6,0x0BD7,0x0000}},
2722 {0x0000, {0x0000,0x0000,0x0000}}};
2724 static const ConsonantComponents Tamil_consonants
[] = {
2725 {{0x0B92,0x0BD7,0x0000}, 0x0B94},
2726 {{0x0000,0x0000,0x0000}, 0x0000}};
2728 static void ContextualShape_Tamil(HDC hdc
, ScriptCache
*psc
, SCRIPT_ANALYSIS
*psa
, WCHAR
* pwcChars
, INT cChars
, WORD
* pwOutGlyphs
, INT
* pcGlyphs
, INT cMaxGlyphs
, WORD
*pwLogClust
)
2730 int cCount
= cChars
;
2732 IndicSyllable
*syllables
= NULL
;
2733 int syllable_count
= 0;
2734 BOOL modern
= get_GSUB_Indic2(psa
, psc
);
2736 if (*pcGlyphs
!= cChars
)
2738 ERR("Number of Glyphs and Chars need to match at the beginning\n");
2742 input
= HeapAlloc(GetProcessHeap(), 0, (cChars
*2) * sizeof(WCHAR
));
2743 memcpy(input
, pwcChars
, cChars
* sizeof(WCHAR
));
2745 /* Step 1: Decompose Vowels and Compose Consonents */
2746 DecomposeVowels(hdc
, input
, &cCount
, Tamil_vowels
, pwLogClust
);
2747 ComposeConsonants(hdc
, input
, &cCount
, Tamil_consonants
, pwLogClust
);
2748 TRACE("New composed string %s (%i)\n",debugstr_wn(input
,cCount
),cCount
);
2750 /* Step 2: Reorder within Syllables */
2751 Indic_ReorderCharacters( hdc
, psa
, psc
, input
, cCount
, &syllables
, &syllable_count
, tamil_lex
, Reorder_Like_Bengali
, modern
);
2752 TRACE("reordered string %s\n",debugstr_wn(input
,cCount
));
2753 GetGlyphIndicesW(hdc
, input
, cCount
, pwOutGlyphs
, 0);
2756 /* Step 3: Base Form application to syllables */
2757 ShapeIndicSyllables(hdc
, psc
, psa
, input
, cChars
, syllables
, syllable_count
, pwOutGlyphs
, pcGlyphs
, pwLogClust
, tamil_lex
, SecondReorder_Like_Tamil
, modern
);
2759 HeapFree(GetProcessHeap(),0,input
);
2760 HeapFree(GetProcessHeap(),0,syllables
);
2763 static int telugu_lex(WCHAR c
)
2768 case 0x0C44: return lex_Modifier
;
2770 return unicode_lex(c
);
2774 static const VowelComponents Telugu_vowels
[] = {
2775 {0x0C48, {0x0C46,0x0C56,0x0000}},
2776 {0x0000, {0x0000,0x0000,0x0000}}};
2778 static void ContextualShape_Telugu(HDC hdc
, ScriptCache
*psc
, SCRIPT_ANALYSIS
*psa
, WCHAR
* pwcChars
, INT cChars
, WORD
* pwOutGlyphs
, INT
* pcGlyphs
, INT cMaxGlyphs
, WORD
*pwLogClust
)
2780 int cCount
= cChars
;
2782 IndicSyllable
*syllables
= NULL
;
2783 int syllable_count
= 0;
2784 BOOL modern
= get_GSUB_Indic2(psa
, psc
);
2786 if (*pcGlyphs
!= cChars
)
2788 ERR("Number of Glyphs and Chars need to match at the beginning\n");
2792 input
= HeapAlloc(GetProcessHeap(), 0, (cChars
*2) * sizeof(WCHAR
));
2793 memcpy(input
, pwcChars
, cChars
* sizeof(WCHAR
));
2795 /* Step 1: Decompose Vowels */
2796 DecomposeVowels(hdc
, input
, &cCount
, Telugu_vowels
, pwLogClust
);
2797 TRACE("New composed string %s (%i)\n",debugstr_wn(input
,cCount
),cCount
);
2799 /* Step 2: Reorder within Syllables */
2800 Indic_ReorderCharacters( hdc
, psa
, psc
, input
, cCount
, &syllables
, &syllable_count
, telugu_lex
, Reorder_Like_Bengali
, modern
);
2801 TRACE("reordered string %s\n",debugstr_wn(input
,cCount
));
2802 GetGlyphIndicesW(hdc
, input
, cCount
, pwOutGlyphs
, 0);
2805 /* Step 3: Base Form application to syllables */
2806 ShapeIndicSyllables(hdc
, psc
, psa
, input
, cChars
, syllables
, syllable_count
, pwOutGlyphs
, pcGlyphs
, pwLogClust
, telugu_lex
, SecondReorder_Like_Telugu
, modern
);
2808 HeapFree(GetProcessHeap(),0,input
);
2809 HeapFree(GetProcessHeap(),0,syllables
);
2812 static int kannada_lex(WCHAR c
)
2816 case 0x0CB0: return lex_Ra
;
2818 return unicode_lex(c
);
2822 static const VowelComponents Kannada_vowels
[] = {
2823 {0x0CC0, {0x0CBF,0x0CD5,0x0000}},
2824 {0x0CC7, {0x0CC6,0x0CD5,0x0000}},
2825 {0x0CC8, {0x0CC6,0x0CD6,0x0000}},
2826 {0x0CCA, {0x0CC6,0x0CC2,0x0000}},
2827 {0x0CCB, {0x0CC6,0x0CC2,0x0CD5}},
2828 {0x0000, {0x0000,0x0000,0x0000}}};
2830 static void ContextualShape_Kannada(HDC hdc
, ScriptCache
*psc
, SCRIPT_ANALYSIS
*psa
, WCHAR
* pwcChars
, INT cChars
, WORD
* pwOutGlyphs
, INT
* pcGlyphs
, INT cMaxGlyphs
, WORD
*pwLogClust
)
2832 int cCount
= cChars
;
2834 IndicSyllable
*syllables
= NULL
;
2835 int syllable_count
= 0;
2836 BOOL modern
= get_GSUB_Indic2(psa
, psc
);
2838 if (*pcGlyphs
!= cChars
)
2840 ERR("Number of Glyphs and Chars need to match at the beginning\n");
2844 input
= HeapAlloc(GetProcessHeap(), 0, (cChars
*3) * sizeof(WCHAR
));
2845 memcpy(input
, pwcChars
, cChars
* sizeof(WCHAR
));
2847 /* Step 1: Decompose Vowels */
2848 DecomposeVowels(hdc
, input
, &cCount
, Kannada_vowels
, pwLogClust
);
2849 TRACE("New composed string %s (%i)\n",debugstr_wn(input
,cCount
),cCount
);
2851 /* Step 2: Reorder within Syllables */
2852 Indic_ReorderCharacters( hdc
, psa
, psc
, input
, cCount
, &syllables
, &syllable_count
, kannada_lex
, Reorder_Like_Kannada
, modern
);
2853 TRACE("reordered string %s\n",debugstr_wn(input
,cCount
));
2854 GetGlyphIndicesW(hdc
, input
, cCount
, pwOutGlyphs
, 0);
2857 /* Step 3: Base Form application to syllables */
2858 ShapeIndicSyllables(hdc
, psc
, psa
, input
, cChars
, syllables
, syllable_count
, pwOutGlyphs
, pcGlyphs
, pwLogClust
, kannada_lex
, SecondReorder_Like_Telugu
, modern
);
2860 HeapFree(GetProcessHeap(),0,input
);
2861 HeapFree(GetProcessHeap(),0,syllables
);
2864 static int malayalam_lex(WCHAR c
)
2866 return unicode_lex(c
);
2869 static const VowelComponents Malayalam_vowels
[] = {
2870 {0x0D4A, {0x0D46,0x0D3E,0x0000}},
2871 {0x0D4B, {0x0D47,0x0D3E,0x0000}},
2872 {0x0D4C, {0x0D46,0x0D57,0x0000}},
2873 {0x0000, {0x0000,0x0000,0x0000}}};
2875 static void ContextualShape_Malayalam(HDC hdc
, ScriptCache
*psc
, SCRIPT_ANALYSIS
*psa
, WCHAR
* pwcChars
, INT cChars
, WORD
* pwOutGlyphs
, INT
* pcGlyphs
, INT cMaxGlyphs
, WORD
*pwLogClust
)
2877 int cCount
= cChars
;
2879 IndicSyllable
*syllables
= NULL
;
2880 int syllable_count
= 0;
2881 BOOL modern
= get_GSUB_Indic2(psa
, psc
);
2883 if (*pcGlyphs
!= cChars
)
2885 ERR("Number of Glyphs and Chars need to match at the beginning\n");
2889 input
= HeapAlloc(GetProcessHeap(), 0, (cChars
*2) * sizeof(WCHAR
));
2890 memcpy(input
, pwcChars
, cChars
* sizeof(WCHAR
));
2892 /* Step 1: Decompose Vowels */
2893 DecomposeVowels(hdc
, input
, &cCount
, Malayalam_vowels
, pwLogClust
);
2894 TRACE("New composed string %s (%i)\n",debugstr_wn(input
,cCount
),cCount
);
2896 /* Step 2: Reorder within Syllables */
2897 Indic_ReorderCharacters( hdc
, psa
, psc
, input
, cCount
, &syllables
, &syllable_count
, malayalam_lex
, Reorder_Like_Devanagari
, modern
);
2898 TRACE("reordered string %s\n",debugstr_wn(input
,cCount
));
2899 GetGlyphIndicesW(hdc
, input
, cCount
, pwOutGlyphs
, 0);
2902 /* Step 3: Base Form application to syllables */
2903 ShapeIndicSyllables(hdc
, psc
, psa
, input
, cChars
, syllables
, syllable_count
, pwOutGlyphs
, pcGlyphs
, pwLogClust
, malayalam_lex
, SecondReorder_Like_Tamil
, modern
);
2905 HeapFree(GetProcessHeap(),0,input
);
2906 HeapFree(GetProcessHeap(),0,syllables
);
2909 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
)
2913 for (i
= 0; i
< cGlyphs
; i
++)
2918 for (k
= 0; k
< cChars
; k
++)
2920 if (pwLogClust
[k
] == i
)
2922 char_index
[char_count
] = k
;
2927 if (char_count
== 0)
2929 FIXME("No chars in this glyph? Must be an error\n");
2933 if (char_count
==1 && pwcChars
[char_index
[0]] == 0x0020) /* space */
2935 pGlyphProp
[i
].sva
.uJustification
= SCRIPT_JUSTIFY_BLANK
;
2936 pCharProp
[char_index
[0]].fCanGlyphAlone
= 1;
2939 pGlyphProp
[i
].sva
.uJustification
= SCRIPT_JUSTIFY_CHARACTER
;
2942 GDEF_UpdateGlyphProps(hdc
, psc
, pwGlyphs
, cGlyphs
, pwLogClust
, pGlyphProp
);
2943 UpdateClustersFromGlyphProp(cGlyphs
, cChars
, pwLogClust
, pGlyphProp
);
2946 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
)
2949 int initGlyph
, finaGlyph
;
2953 spaces
= HeapAlloc(GetProcessHeap(),0,cGlyphs
);
2954 memset(spaces
,0,cGlyphs
);
2956 if (!psa
->fLogicalOrder
&& psa
->fRTL
)
2958 initGlyph
= cGlyphs
-1;
2966 finaGlyph
= cGlyphs
-1;
2971 for (i
= 0; i
< cGlyphs
; i
++)
2973 for (k
= 0; k
< cChars
; k
++)
2974 if (pwLogClust
[k
] == i
)
2976 if (pwcChars
[k
] == 0x0020)
2981 for (i
= 0; i
< cGlyphs
; i
++)
2985 BOOL isInit
, isFinal
;
2987 for (k
= 0; k
< cChars
; k
++)
2989 if (pwLogClust
[k
] == i
)
2991 char_index
[char_count
] = k
;
2996 isInit
= (i
== initGlyph
|| (i
+dirR
> 0 && i
+dirR
< cGlyphs
&& spaces
[i
+dirR
]));
2997 isFinal
= (i
== finaGlyph
|| (i
+dirL
> 0 && i
+dirL
< cGlyphs
&& spaces
[i
+dirL
]));
2999 if (char_count
== 0)
3001 FIXME("No chars in this glyph? Must be an error\n");
3005 if (char_count
== 1)
3007 if (pwcChars
[char_index
[0]] == 0x0020) /* space */
3009 pGlyphProp
[i
].sva
.uJustification
= SCRIPT_JUSTIFY_ARABIC_BLANK
;
3010 pCharProp
[char_index
[0]].fCanGlyphAlone
= 1;
3012 else if (pwcChars
[char_index
[0]] == 0x0640) /* kashida */
3013 pGlyphProp
[i
].sva
.uJustification
= SCRIPT_JUSTIFY_ARABIC_KASHIDA
;
3014 else if (pwcChars
[char_index
[0]] == 0x0633) /* SEEN */
3016 if (!isInit
&& !isFinal
)
3017 pGlyphProp
[i
].sva
.uJustification
= SCRIPT_JUSTIFY_ARABIC_SEEN_M
;
3019 pGlyphProp
[i
].sva
.uJustification
= SCRIPT_JUSTIFY_ARABIC_SEEN
;
3021 pGlyphProp
[i
].sva
.uJustification
= SCRIPT_JUSTIFY_NONE
;
3025 if (pwcChars
[char_index
[0]] == 0x0628 ) /* BA */
3026 pGlyphProp
[i
].sva
.uJustification
= SCRIPT_JUSTIFY_ARABIC_BA
;
3027 else if (pwcChars
[char_index
[0]] == 0x0631 ) /* RA */
3028 pGlyphProp
[i
].sva
.uJustification
= SCRIPT_JUSTIFY_ARABIC_RA
;
3029 else if (pwcChars
[char_index
[0]] == 0x0647 ) /* HA */
3030 pGlyphProp
[i
].sva
.uJustification
= SCRIPT_JUSTIFY_ARABIC_HA
;
3031 else if ((pwcChars
[char_index
[0]] == 0x0627 || pwcChars
[char_index
[0]] == 0x0625 || pwcChars
[char_index
[0]] == 0x0623 || pwcChars
[char_index
[0]] == 0x0622) ) /* alef-like */
3032 pGlyphProp
[i
].sva
.uJustification
= SCRIPT_JUSTIFY_ARABIC_ALEF
;
3034 pGlyphProp
[i
].sva
.uJustification
= SCRIPT_JUSTIFY_NONE
;
3036 else if (!isInit
&& !isFinal
)
3037 pGlyphProp
[i
].sva
.uJustification
= SCRIPT_JUSTIFY_ARABIC_NORMAL
;
3039 pGlyphProp
[i
].sva
.uJustification
= SCRIPT_JUSTIFY_NONE
;
3041 else if (char_count
== 2)
3043 if ((pwcChars
[char_index
[0]] == 0x0628 && pwcChars
[char_index
[1]]== 0x0631) || (pwcChars
[char_index
[0]] == 0x0631 && pwcChars
[char_index
[1]]== 0x0628)) /* BA+RA */
3044 pGlyphProp
[i
].sva
.uJustification
= SCRIPT_JUSTIFY_ARABIC_BARA
;
3046 pGlyphProp
[i
].sva
.uJustification
= SCRIPT_JUSTIFY_ARABIC_NORMAL
;
3048 pGlyphProp
[i
].sva
.uJustification
= SCRIPT_JUSTIFY_NONE
;
3050 else if (!isInit
&& !isFinal
)
3051 pGlyphProp
[i
].sva
.uJustification
= SCRIPT_JUSTIFY_ARABIC_NORMAL
;
3053 pGlyphProp
[i
].sva
.uJustification
= SCRIPT_JUSTIFY_NONE
;
3056 GDEF_UpdateGlyphProps(hdc
, psc
, pwGlyphs
, cGlyphs
, pwLogClust
, pGlyphProp
);
3057 UpdateClustersFromGlyphProp(cGlyphs
, cChars
, pwLogClust
, pGlyphProp
);
3058 HeapFree(GetProcessHeap(),0,spaces
);
3061 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
)
3068 spaces
= HeapAlloc(GetProcessHeap(),0,cGlyphs
);
3069 memset(spaces
,0,cGlyphs
);
3071 if (!psa
->fLogicalOrder
&& psa
->fRTL
)
3078 finaGlyph
= cGlyphs
-1;
3082 for (i
= 0; i
< cGlyphs
; i
++)
3084 for (k
= 0; k
< cChars
; k
++)
3085 if (pwLogClust
[k
] == i
)
3087 if (pwcChars
[k
] == 0x0020)
3092 for (i
= 0; i
< cGlyphs
; i
++)
3097 for (k
= 0; k
< cChars
; k
++)
3099 if (pwLogClust
[k
] == i
)
3101 char_index
[char_count
] = k
;
3106 if (char_count
== 0)
3108 FIXME("No chars in this glyph? Must be an error\n");
3112 if (char_count
==1 && pwcChars
[char_index
[0]] == 0x0020) /* space */
3114 pGlyphProp
[i
].sva
.uJustification
= SCRIPT_JUSTIFY_CHARACTER
;
3115 pCharProp
[char_index
[0]].fCanGlyphAlone
= 1;
3117 else if (i
== finaGlyph
)
3118 pGlyphProp
[i
].sva
.uJustification
= SCRIPT_JUSTIFY_NONE
;
3120 pGlyphProp
[i
].sva
.uJustification
= SCRIPT_JUSTIFY_CHARACTER
;
3123 HeapFree(GetProcessHeap(),0,spaces
);
3124 GDEF_UpdateGlyphProps(hdc
, psc
, pwGlyphs
, cGlyphs
, pwLogClust
, pGlyphProp
);
3125 UpdateClustersFromGlyphProp(cGlyphs
, cChars
, pwLogClust
, pGlyphProp
);
3127 /* Do not allow justification between marks and their base */
3128 for (i
= 0; i
< cGlyphs
; i
++)
3130 if (!pGlyphProp
[i
].sva
.fClusterStart
)
3131 pGlyphProp
[i
-dirL
].sva
.uJustification
= SCRIPT_JUSTIFY_NONE
;
3135 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
)
3139 for (i
= 0; i
< cGlyphs
; i
++)
3144 for (k
= 0; k
< cChars
; k
++)
3146 if (pwLogClust
[k
] == i
)
3148 char_index
[char_count
] = k
;
3153 if (char_count
== 0)
3155 FIXME("No chars in this glyph? Must be an error\n");
3159 if (char_count
==1 && pwcChars
[char_index
[0]] == 0x0020) /* space */
3161 pGlyphProp
[i
].sva
.uJustification
= SCRIPT_JUSTIFY_CHARACTER
;
3162 pCharProp
[char_index
[0]].fCanGlyphAlone
= 1;
3165 pGlyphProp
[i
].sva
.uJustification
= SCRIPT_JUSTIFY_NONE
;
3167 GDEF_UpdateGlyphProps(hdc
, psc
, pwGlyphs
, cGlyphs
, pwLogClust
, pGlyphProp
);
3168 UpdateClustersFromGlyphProp(cGlyphs
, cChars
, pwLogClust
, pGlyphProp
);
3171 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
)
3175 for (i
= 0; i
< cGlyphs
; i
++)
3180 for (k
= 0; k
< cChars
; k
++)
3182 if (pwLogClust
[k
] == i
)
3184 char_index
[char_count
] = k
;
3189 if (char_count
== 0)
3191 FIXME("No chars in this glyph? Must be an error\n");
3195 if (char_count
==1 && pwcChars
[char_index
[0]] == 0x0020) /* space */
3197 pGlyphProp
[i
].sva
.uJustification
= SCRIPT_JUSTIFY_BLANK
;
3198 pCharProp
[char_index
[0]].fCanGlyphAlone
= 1;
3201 pGlyphProp
[i
].sva
.uJustification
= SCRIPT_JUSTIFY_NONE
;
3203 GDEF_UpdateGlyphProps(hdc
, psc
, pwGlyphs
, cGlyphs
, pwLogClust
, pGlyphProp
);
3204 UpdateClustersFromGlyphProp(cGlyphs
, cChars
, pwLogClust
, pGlyphProp
);
3206 /* Tibeten script does not set sva.fDiacritic or sva.fZeroWidth */
3207 for (i
= 0; i
< cGlyphs
; i
++)
3209 if (!pGlyphProp
[i
].sva
.fClusterStart
)
3211 pGlyphProp
[i
].sva
.fDiacritic
= 0;
3212 pGlyphProp
[i
].sva
.fZeroWidth
= 0;
3217 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
)
3220 IndicSyllable
*syllables
= NULL
;
3221 int syllable_count
= 0;
3222 BOOL modern
= get_GSUB_Indic2(psa
, psc
);
3224 for (i
= 0; i
< cGlyphs
; i
++)
3229 for (k
= 0; k
< cChars
; k
++)
3231 if (pwLogClust
[k
] == i
)
3233 char_index
[char_count
] = k
;
3238 if (char_count
== 0)
3240 FIXME("No chars in this glyph? Must be an error\n");
3244 if (char_count
==1 && pwcChars
[char_index
[0]] == 0x0020) /* space */
3246 pGlyphProp
[i
].sva
.uJustification
= SCRIPT_JUSTIFY_BLANK
;
3247 pCharProp
[char_index
[0]].fCanGlyphAlone
= 1;
3250 pGlyphProp
[i
].sva
.uJustification
= SCRIPT_JUSTIFY_NONE
;
3252 pGlyphProp
[i
].sva
.fClusterStart
= 0;
3253 for (k
= 0; k
< char_count
&& !pGlyphProp
[i
].sva
.fClusterStart
; k
++)
3254 switch (lexical(pwcChars
[char_index
[k
]]))
3257 case lex_Matra_post
:
3258 case lex_Matra_above
:
3259 case lex_Matra_below
:
3263 pGlyphProp
[i
].sva
.fClusterStart
= 1;
3268 Indic_ParseSyllables( hdc
, psa
, psc
, pwcChars
, cChars
, &syllables
, &syllable_count
, lexical
, modern
);
3270 for (i
= 0; i
< syllable_count
; i
++)
3273 WORD g
= pwLogClust
[syllables
[i
].start
];
3274 for (j
= syllables
[i
].start
+1; j
<= syllables
[i
].end
; j
++)
3276 if (pwLogClust
[j
] != g
)
3278 pGlyphProp
[pwLogClust
[j
]].sva
.fClusterStart
= 0;
3284 UpdateClustersFromGlyphProp(cGlyphs
, cChars
, pwLogClust
, pGlyphProp
);
3285 HeapFree(GetProcessHeap(), 0, syllables
);
3288 static void ShapeCharGlyphProp_Sinhala( 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
, sinhala_lex
);
3293 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
)
3295 ShapeCharGlyphProp_BaseIndic(hdc
, psc
, psa
, pwcChars
, cChars
, pwGlyphs
, cGlyphs
, pwLogClust
, pCharProp
, pGlyphProp
, devanagari_lex
);
3298 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
)
3300 ShapeCharGlyphProp_BaseIndic(hdc
, psc
, psa
, pwcChars
, cChars
, pwGlyphs
, cGlyphs
, pwLogClust
, pCharProp
, pGlyphProp
, bengali_lex
);
3303 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
)
3305 ShapeCharGlyphProp_BaseIndic(hdc
, psc
, psa
, pwcChars
, cChars
, pwGlyphs
, cGlyphs
, pwLogClust
, pCharProp
, pGlyphProp
, gurmukhi_lex
);
3308 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
)
3310 ShapeCharGlyphProp_BaseIndic(hdc
, psc
, psa
, pwcChars
, cChars
, pwGlyphs
, cGlyphs
, pwLogClust
, pCharProp
, pGlyphProp
, gujarati_lex
);
3313 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
)
3315 ShapeCharGlyphProp_BaseIndic(hdc
, psc
, psa
, pwcChars
, cChars
, pwGlyphs
, cGlyphs
, pwLogClust
, pCharProp
, pGlyphProp
, oriya_lex
);
3318 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
)
3320 ShapeCharGlyphProp_BaseIndic(hdc
, psc
, psa
, pwcChars
, cChars
, pwGlyphs
, cGlyphs
, pwLogClust
, pCharProp
, pGlyphProp
, tamil_lex
);
3323 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
)
3325 ShapeCharGlyphProp_BaseIndic(hdc
, psc
, psa
, pwcChars
, cChars
, pwGlyphs
, cGlyphs
, pwLogClust
, pCharProp
, pGlyphProp
, telugu_lex
);
3328 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
)
3330 ShapeCharGlyphProp_BaseIndic(hdc
, psc
, psa
, pwcChars
, cChars
, pwGlyphs
, cGlyphs
, pwLogClust
, pCharProp
, pGlyphProp
, kannada_lex
);
3333 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
)
3335 ShapeCharGlyphProp_BaseIndic(hdc
, psc
, psa
, pwcChars
, cChars
, pwGlyphs
, cGlyphs
, pwLogClust
, pCharProp
, pGlyphProp
, malayalam_lex
);
3338 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
)
3340 if (ShapingData
[psa
->eScript
].charGlyphPropProc
)
3341 ShapingData
[psa
->eScript
].charGlyphPropProc(hdc
, psc
, psa
, pwcChars
, cChars
, pwGlyphs
, cGlyphs
, pwLogClust
, pCharProp
, pGlyphProp
);
3343 ShapeCharGlyphProp_Default(hdc
, psc
, psa
, pwcChars
, cChars
, pwGlyphs
, cGlyphs
, pwLogClust
, pCharProp
, pGlyphProp
);
3346 void SHAPE_ContextualShaping(HDC hdc
, ScriptCache
*psc
, SCRIPT_ANALYSIS
*psa
, WCHAR
* pwcChars
, INT cChars
, WORD
* pwOutGlyphs
, INT
* pcGlyphs
, INT cMaxGlyphs
, WORD
*pwLogClust
)
3348 if (ShapingData
[psa
->eScript
].contextProc
)
3349 ShapingData
[psa
->eScript
].contextProc(hdc
, psc
, psa
, pwcChars
, cChars
, pwOutGlyphs
, pcGlyphs
, cMaxGlyphs
, pwLogClust
);
3352 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
)
3357 if (!rpRangeProperties
)
3360 if (!psc
->GSUB_Table
)
3361 psc
->GSUB_Table
= load_gsub_table(hdc
);
3363 if (!psc
->GSUB_Table
)
3366 if (!psa
->fLogicalOrder
&& psa
->fRTL
)
3371 for (i
= 0; i
< rpRangeProperties
->cotfRecords
; i
++)
3373 if (rpRangeProperties
->potfRecords
[i
].lParameter
> 0)
3374 apply_GSUB_feature(hdc
, psa
, psc
, pwOutGlyphs
, dirL
, pcGlyphs
, cChars
, (const char*)&rpRangeProperties
->potfRecords
[i
].tagFeature
, pwLogClust
);
3378 void SHAPE_ApplyDefaultOpentypeFeatures(HDC hdc
, ScriptCache
*psc
, SCRIPT_ANALYSIS
*psa
, WORD
* pwOutGlyphs
, INT
* pcGlyphs
, INT cMaxGlyphs
, INT cChars
, WORD
*pwLogClust
)
3380 const TEXTRANGE_PROPERTIES
*rpRangeProperties
;
3381 rpRangeProperties
= &ShapingData
[psa
->eScript
].defaultTextRange
;
3383 SHAPE_ApplyOpenTypeFeatures(hdc
, psc
, psa
, pwOutGlyphs
, pcGlyphs
, cMaxGlyphs
, cChars
, rpRangeProperties
, pwLogClust
);
3386 HRESULT
SHAPE_CheckFontForRequiredFeatures(HDC hdc
, ScriptCache
*psc
, SCRIPT_ANALYSIS
*psa
)
3388 const GSUB_Feature
*feature
;
3391 if (!ShapingData
[psa
->eScript
].requiredFeatures
)
3394 if (!psc
->GSUB_Table
)
3395 psc
->GSUB_Table
= load_gsub_table(hdc
);
3397 /* we need to have at least one of the required features */
3399 while (ShapingData
[psa
->eScript
].requiredFeatures
[i
])
3401 feature
= load_GSUB_feature(hdc
, psa
, psc
, ShapingData
[psa
->eScript
].requiredFeatures
[i
]);
3407 return USP_E_SCRIPT_NOT_IN_FONT
;