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
32 #include "usp10_internal.h"
34 #include "wine/debug.h"
35 #include "wine/heap.h"
37 WINE_DEFAULT_DEBUG_CHANNEL(uniscribe
);
39 #define FIRST_ARABIC_CHAR 0x0600
40 #define LAST_ARABIC_CHAR 0x06ff
42 typedef VOID (*ContextualShapingProc
)(HDC
, ScriptCache
*, SCRIPT_ANALYSIS
*,
43 WCHAR
*, INT
, WORD
*, INT
*, INT
, WORD
*);
45 static void ContextualShape_Control(HDC hdc
, ScriptCache
*psc
, SCRIPT_ANALYSIS
*psa
, WCHAR
* pwcChars
, INT cChars
, WORD
* pwOutGlyphs
, INT
* pcGlyphs
, INT cMaxGlyphs
, WORD
*pwLogClust
);
46 static void ContextualShape_Arabic(HDC hdc
, ScriptCache
*psc
, SCRIPT_ANALYSIS
*psa
, WCHAR
* pwcChars
, INT cChars
, WORD
* pwOutGlyphs
, INT
* pcGlyphs
, INT cMaxGlyphs
, WORD
*pwLogClust
);
47 static void ContextualShape_Hebrew(HDC hdc
, ScriptCache
*psc
, SCRIPT_ANALYSIS
*psa
, WCHAR
* pwcChars
, INT cChars
, WORD
* pwOutGlyphs
, INT
* pcGlyphs
, INT cMaxGlyphs
, WORD
*pwLogClust
);
48 static void ContextualShape_Syriac(HDC hdc
, ScriptCache
*psc
, SCRIPT_ANALYSIS
*psa
, WCHAR
* pwcChars
, INT cChars
, WORD
* pwOutGlyphs
, INT
* pcGlyphs
, INT cMaxGlyphs
, WORD
*pwLogClust
);
49 static void ContextualShape_Thaana(HDC hdc
, ScriptCache
*psc
, SCRIPT_ANALYSIS
*psa
, WCHAR
* pwcChars
, INT cChars
, WORD
* pwOutGlyphs
, INT
* pcGlyphs
, INT cMaxGlyphs
, WORD
*pwLogClust
);
50 static void ContextualShape_Phags_pa(HDC hdc
, ScriptCache
*psc
, SCRIPT_ANALYSIS
*psa
, WCHAR
* pwcChars
, INT cChars
, WORD
* pwOutGlyphs
, INT
* pcGlyphs
, INT cMaxGlyphs
, WORD
*pwLogClust
);
51 static void ContextualShape_Thai(HDC hdc
, ScriptCache
*psc
, SCRIPT_ANALYSIS
*psa
, WCHAR
* pwcChars
, INT cChars
, WORD
* pwOutGlyphs
, INT
* pcGlyphs
, INT cMaxGlyphs
, WORD
*pwLogClust
);
52 static void ContextualShape_Lao(HDC hdc
, ScriptCache
*psc
, SCRIPT_ANALYSIS
*psa
, WCHAR
* pwcChars
, INT cChars
, WORD
* pwOutGlyphs
, INT
* pcGlyphs
, INT cMaxGlyphs
, WORD
*pwLogClust
);
53 static void ContextualShape_Sinhala(HDC hdc
, ScriptCache
*psc
, SCRIPT_ANALYSIS
*psa
, WCHAR
* pwcChars
, INT cChars
, WORD
* pwOutGlyphs
, INT
* pcGlyphs
, INT cMaxGlyphs
, WORD
*pwLogClust
);
54 static void ContextualShape_Devanagari(HDC hdc
, ScriptCache
*psc
, SCRIPT_ANALYSIS
*psa
, WCHAR
* pwcChars
, INT cChars
, WORD
* pwOutGlyphs
, INT
* pcGlyphs
, INT cMaxGlyphs
, WORD
*pwLogClust
);
55 static void ContextualShape_Bengali(HDC hdc
, ScriptCache
*psc
, SCRIPT_ANALYSIS
*psa
, WCHAR
* pwcChars
, INT cChars
, WORD
* pwOutGlyphs
, INT
* pcGlyphs
, INT cMaxGlyphs
, WORD
*pwLogClust
);
56 static void ContextualShape_Gurmukhi(HDC hdc
, ScriptCache
*psc
, SCRIPT_ANALYSIS
*psa
, WCHAR
* pwcChars
, INT cChars
, WORD
* pwOutGlyphs
, INT
* pcGlyphs
, INT cMaxGlyphs
, WORD
*pwLogClust
);
57 static void ContextualShape_Gujarati(HDC hdc
, ScriptCache
*psc
, SCRIPT_ANALYSIS
*psa
, WCHAR
* pwcChars
, INT cChars
, WORD
* pwOutGlyphs
, INT
* pcGlyphs
, INT cMaxGlyphs
, WORD
*pwLogClust
);
58 static void ContextualShape_Oriya(HDC hdc
, ScriptCache
*psc
, SCRIPT_ANALYSIS
*psa
, WCHAR
* pwcChars
, INT cChars
, WORD
* pwOutGlyphs
, INT
* pcGlyphs
, INT cMaxGlyphs
, WORD
*pwLogClust
);
59 static void ContextualShape_Tamil(HDC hdc
, ScriptCache
*psc
, SCRIPT_ANALYSIS
*psa
, WCHAR
* pwcChars
, INT cChars
, WORD
* pwOutGlyphs
, INT
* pcGlyphs
, INT cMaxGlyphs
, WORD
*pwLogClust
);
60 static void ContextualShape_Telugu(HDC hdc
, ScriptCache
*psc
, SCRIPT_ANALYSIS
*psa
, WCHAR
* pwcChars
, INT cChars
, WORD
* pwOutGlyphs
, INT
* pcGlyphs
, INT cMaxGlyphs
, WORD
*pwLogClust
);
61 static void ContextualShape_Kannada(HDC hdc
, ScriptCache
*psc
, SCRIPT_ANALYSIS
*psa
, WCHAR
* pwcChars
, INT cChars
, WORD
* pwOutGlyphs
, INT
* pcGlyphs
, INT cMaxGlyphs
, WORD
*pwLogClust
);
62 static void ContextualShape_Malayalam(HDC hdc
, ScriptCache
*psc
, SCRIPT_ANALYSIS
*psa
, WCHAR
* pwcChars
, INT cChars
, WORD
* pwOutGlyphs
, INT
* pcGlyphs
, INT cMaxGlyphs
, WORD
*pwLogClust
);
63 static void ContextualShape_Khmer(HDC hdc
, ScriptCache
*psc
, SCRIPT_ANALYSIS
*psa
, WCHAR
* pwcChars
, INT cChars
, WORD
* pwOutGlyphs
, INT
* pcGlyphs
, INT cMaxGlyphs
, WORD
*pwLogClust
);
64 static void ContextualShape_Mongolian(HDC hdc
, ScriptCache
*psc
, SCRIPT_ANALYSIS
*psa
, WCHAR
* pwcChars
, INT cChars
, WORD
* pwOutGlyphs
, INT
* pcGlyphs
, INT cMaxGlyphs
, WORD
*pwLogClust
);
66 typedef VOID (*ShapeCharGlyphPropProc
)( HDC
, ScriptCache
*, SCRIPT_ANALYSIS
*, const WCHAR
*, const INT
, const WORD
*, const INT
, WORD
*, SCRIPT_CHARPROP
*, SCRIPT_GLYPHPROP
*);
68 static void ShapeCharGlyphProp_Default( 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_Control( 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_Latin( 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_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
);
72 static void ShapeCharGlyphProp_Hebrew( 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_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
);
74 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
);
75 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
);
76 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
);
77 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
);
78 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
);
79 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
);
80 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
);
81 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
);
82 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
);
83 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
);
84 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
);
85 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
);
86 static void ShapeCharGlyphProp_Khmer( 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
);
88 extern const unsigned short indic_syllabic_table
[] DECLSPEC_HIDDEN
;
89 extern const unsigned short wine_shaping_table
[] DECLSPEC_HIDDEN
;
90 extern const unsigned short wine_shaping_forms
[LAST_ARABIC_CHAR
- FIRST_ARABIC_CHAR
+ 1][4] DECLSPEC_HIDDEN
;
112 typedef struct tagVowelComponents
118 typedef struct tagConsonantComponents
122 } ConsonantComponents
;
124 typedef void (*second_reorder_function
)(const WCHAR
*chars
, const IndicSyllable
*syllable
,
125 WORD
*glyphs
, const IndicSyllable
*glyph_index
, lexical_function lex
);
127 typedef int (*combining_lexical_function
)(WCHAR c
);
129 /* the orders of joined_forms and contextual_features need to line up */
130 static const char *const contextual_features
[] =
142 static OPENTYPE_FEATURE_RECORD standard_features
[] =
144 { MS_MAKE_TAG('c','c','m','p'), 1},
145 { MS_MAKE_TAG('l','o','c','l'), 1},
148 static OPENTYPE_FEATURE_RECORD latin_features
[] =
150 { MS_MAKE_TAG('l','o','c','l'), 1},
151 { MS_MAKE_TAG('c','c','m','p'), 1},
152 { MS_MAKE_TAG('l','i','g','a'), 1},
153 { MS_MAKE_TAG('c','l','i','g'), 1},
156 static OPENTYPE_FEATURE_RECORD latin_gpos_features
[] =
158 { MS_MAKE_TAG('k','e','r','n'), 1},
159 { MS_MAKE_TAG('m','a','r','k'), 1},
160 { MS_MAKE_TAG('m','k','m','k'), 1},
163 static OPENTYPE_FEATURE_RECORD arabic_features
[] =
165 { MS_MAKE_TAG('r','l','i','g'), 1},
166 { MS_MAKE_TAG('c','a','l','t'), 1},
167 { MS_MAKE_TAG('l','i','g','a'), 1},
168 { MS_MAKE_TAG('d','l','i','g'), 1},
169 { MS_MAKE_TAG('c','s','w','h'), 1},
170 { MS_MAKE_TAG('m','s','e','t'), 1},
173 static const char *const required_arabic_features
[] =
182 static OPENTYPE_FEATURE_RECORD arabic_gpos_features
[] =
184 { MS_MAKE_TAG('c','u','r','s'), 1},
185 { MS_MAKE_TAG('k','e','r','n'), 1},
186 { MS_MAKE_TAG('m','a','r','k'), 1},
187 { MS_MAKE_TAG('m','k','m','k'), 1},
190 static OPENTYPE_FEATURE_RECORD hebrew_features
[] =
192 { MS_MAKE_TAG('c','c','m','p'), 1},
193 { MS_MAKE_TAG('d','l','i','g'), 0},
196 static OPENTYPE_FEATURE_RECORD hebrew_gpos_features
[] =
198 { MS_MAKE_TAG('k','e','r','n'), 1},
199 { MS_MAKE_TAG('m','a','r','k'), 1},
202 static OPENTYPE_FEATURE_RECORD syriac_features
[] =
204 { MS_MAKE_TAG('r','l','i','g'), 1},
205 { MS_MAKE_TAG('c','a','l','t'), 1},
206 { MS_MAKE_TAG('l','i','g','a'), 1},
207 { MS_MAKE_TAG('d','l','i','g'), 1},
210 static const char *const required_syriac_features
[] =
222 static OPENTYPE_FEATURE_RECORD syriac_gpos_features
[] =
224 { MS_MAKE_TAG('k','e','r','n'), 1},
225 { MS_MAKE_TAG('m','a','r','k'), 1},
226 { MS_MAKE_TAG('m','k','m','k'), 1},
229 static OPENTYPE_FEATURE_RECORD sinhala_features
[] =
231 /* Presentation forms */
232 { MS_MAKE_TAG('b','l','w','s'), 1},
233 { MS_MAKE_TAG('a','b','v','s'), 1},
234 { MS_MAKE_TAG('p','s','t','s'), 1},
237 static OPENTYPE_FEATURE_RECORD tibetan_features
[] =
239 { MS_MAKE_TAG('a','b','v','s'), 1},
240 { MS_MAKE_TAG('b','l','w','s'), 1},
243 static OPENTYPE_FEATURE_RECORD tibetan_gpos_features
[] =
245 { MS_MAKE_TAG('a','b','v','m'), 1},
246 { MS_MAKE_TAG('b','l','w','m'), 1},
249 static OPENTYPE_FEATURE_RECORD phags_features
[] =
251 { MS_MAKE_TAG('a','b','v','s'), 1},
252 { MS_MAKE_TAG('b','l','w','s'), 1},
253 { MS_MAKE_TAG('c','a','l','t'), 1},
256 static OPENTYPE_FEATURE_RECORD thai_features
[] =
258 { MS_MAKE_TAG('c','c','m','p'), 1},
261 static OPENTYPE_FEATURE_RECORD thai_gpos_features
[] =
263 { MS_MAKE_TAG('k','e','r','n'), 1},
264 { MS_MAKE_TAG('m','a','r','k'), 1},
265 { MS_MAKE_TAG('m','k','m','k'), 1},
268 static const char *const required_lao_features
[] =
274 static const char *const required_devanagari_features
[] =
290 static OPENTYPE_FEATURE_RECORD devanagari_features
[] =
292 { MS_MAKE_TAG('p','r','e','s'), 1},
293 { MS_MAKE_TAG('a','b','v','s'), 1},
294 { MS_MAKE_TAG('b','l','w','s'), 1},
295 { MS_MAKE_TAG('p','s','t','s'), 1},
296 { MS_MAKE_TAG('h','a','l','n'), 1},
297 { MS_MAKE_TAG('c','a','l','t'), 1},
300 static OPENTYPE_FEATURE_RECORD devanagari_gpos_features
[] =
302 { MS_MAKE_TAG('k','e','r','n'), 1},
303 { MS_MAKE_TAG('d','i','s','t'), 1},
304 { MS_MAKE_TAG('a','b','v','m'), 1},
305 { MS_MAKE_TAG('b','l','w','m'), 1},
308 static OPENTYPE_FEATURE_RECORD myanmar_features
[] =
310 { MS_MAKE_TAG('l','i','g','a'), 1},
311 { MS_MAKE_TAG('c','l','i','g'), 1},
314 static const char *const required_bengali_features
[] =
331 static const char *const required_gurmukhi_features
[] =
350 static const char *const required_oriya_features
[] =
367 static const char *const required_tamil_features
[] =
383 static const char *const required_telugu_features
[] =
401 static OPENTYPE_FEATURE_RECORD khmer_features
[] =
403 { MS_MAKE_TAG('p','r','e','s'), 1},
404 { MS_MAKE_TAG('b','l','w','s'), 1},
405 { MS_MAKE_TAG('a','b','v','s'), 1},
406 { MS_MAKE_TAG('p','s','t','s'), 1},
407 { MS_MAKE_TAG('c','l','i','g'), 1},
410 static const char *const required_khmer_features
[] =
424 static OPENTYPE_FEATURE_RECORD khmer_gpos_features
[] =
426 { MS_MAKE_TAG('d','i','s','t'), 1},
427 { MS_MAKE_TAG('b','l','w','m'), 1},
428 { MS_MAKE_TAG('a','b','v','m'), 1},
429 { MS_MAKE_TAG('m','k','m','k'), 1},
432 static OPENTYPE_FEATURE_RECORD ethiopic_features
[] =
434 { MS_MAKE_TAG('c','c','m','p'), 1},
435 { MS_MAKE_TAG('l','o','c','l'), 1},
436 { MS_MAKE_TAG('c','a','l','t'), 1},
437 { MS_MAKE_TAG('l','i','g','a'), 1},
440 static OPENTYPE_FEATURE_RECORD mongolian_features
[] =
442 { MS_MAKE_TAG('c','c','m','p'), 1},
443 { MS_MAKE_TAG('l','o','c','l'), 1},
444 { MS_MAKE_TAG('c','a','l','t'), 1},
445 { MS_MAKE_TAG('r','l','i','g'), 1},
448 typedef struct ScriptShapeDataTag
{
449 TEXTRANGE_PROPERTIES defaultTextRange
;
450 TEXTRANGE_PROPERTIES defaultGPOSTextRange
;
451 const char *const *requiredFeatures
;
452 OPENTYPE_TAG newOtTag
;
453 ContextualShapingProc contextProc
;
454 ShapeCharGlyphPropProc charGlyphPropProc
;
457 /* in order of scripts */
458 static const ScriptShapeData ShapingData
[] =
460 {{ standard_features
, 2}, {NULL
, 0}, NULL
, 0, NULL
, NULL
},
461 {{ latin_features
, 4}, {latin_gpos_features
, 3}, NULL
, 0, NULL
, ShapeCharGlyphProp_Latin
},
462 {{ latin_features
, 4}, {latin_gpos_features
, 3}, NULL
, 0, NULL
, ShapeCharGlyphProp_Latin
},
463 {{ latin_features
, 4}, {latin_gpos_features
, 3}, NULL
, 0, NULL
, ShapeCharGlyphProp_Latin
},
464 {{ standard_features
, 2}, {NULL
, 0}, NULL
, 0, ContextualShape_Control
, ShapeCharGlyphProp_Control
},
465 {{ latin_features
, 4}, {latin_gpos_features
, 3}, NULL
, 0, NULL
, ShapeCharGlyphProp_Latin
},
466 {{ arabic_features
, 6}, {arabic_gpos_features
, 4}, required_arabic_features
, 0, ContextualShape_Arabic
, ShapeCharGlyphProp_Arabic
},
467 {{ arabic_features
, 6}, {arabic_gpos_features
, 4}, required_arabic_features
, 0, ContextualShape_Arabic
, ShapeCharGlyphProp_Arabic
},
468 {{ hebrew_features
, 2}, {hebrew_gpos_features
, 2}, NULL
, 0, ContextualShape_Hebrew
, ShapeCharGlyphProp_Hebrew
},
469 {{ syriac_features
, 4}, {syriac_gpos_features
, 3}, required_syriac_features
, 0, ContextualShape_Syriac
, ShapeCharGlyphProp_None
},
470 {{ arabic_features
, 6}, {arabic_gpos_features
, 4}, required_arabic_features
, 0, ContextualShape_Arabic
, ShapeCharGlyphProp_Arabic
},
471 {{ NULL
, 0}, {NULL
, 0}, NULL
, 0, ContextualShape_Thaana
, ShapeCharGlyphProp_None
},
472 {{ standard_features
, 2}, {latin_gpos_features
, 3}, NULL
, 0, NULL
, NULL
},
473 {{ standard_features
, 2}, {latin_gpos_features
, 3}, NULL
, 0, NULL
, NULL
},
474 {{ standard_features
, 2}, {latin_gpos_features
, 3}, NULL
, 0, NULL
, NULL
},
475 {{ standard_features
, 2}, {latin_gpos_features
, 3}, NULL
, 0, NULL
, NULL
},
476 {{ sinhala_features
, 3}, {NULL
, 0}, NULL
, 0, ContextualShape_Sinhala
, ShapeCharGlyphProp_Sinhala
},
477 {{ tibetan_features
, 2}, {tibetan_gpos_features
, 2}, NULL
, 0, NULL
, ShapeCharGlyphProp_Tibet
},
478 {{ tibetan_features
, 2}, {tibetan_gpos_features
, 2}, NULL
, 0, NULL
, ShapeCharGlyphProp_Tibet
},
479 {{ phags_features
, 3}, {NULL
, 0}, NULL
, 0, ContextualShape_Phags_pa
, ShapeCharGlyphProp_Thai
},
480 {{ thai_features
, 1}, {thai_gpos_features
, 3}, NULL
, 0, ContextualShape_Thai
, ShapeCharGlyphProp_Thai
},
481 {{ thai_features
, 1}, {thai_gpos_features
, 3}, NULL
, 0, ContextualShape_Thai
, NULL
},
482 {{ thai_features
, 1}, {thai_gpos_features
, 3}, required_lao_features
, 0, ContextualShape_Lao
, ShapeCharGlyphProp_Thai
},
483 {{ thai_features
, 1}, {thai_gpos_features
, 3}, required_lao_features
, 0, ContextualShape_Lao
, ShapeCharGlyphProp_Thai
},
484 {{ devanagari_features
, 6}, {devanagari_gpos_features
, 4}, required_devanagari_features
, MS_MAKE_TAG('d','e','v','2'), ContextualShape_Devanagari
, ShapeCharGlyphProp_Devanagari
},
485 {{ devanagari_features
, 6}, {devanagari_gpos_features
, 4}, required_devanagari_features
, MS_MAKE_TAG('d','e','v','2'), ContextualShape_Devanagari
, NULL
},
486 {{ devanagari_features
, 6}, {devanagari_gpos_features
, 4}, required_bengali_features
, MS_MAKE_TAG('b','n','g','2'), ContextualShape_Bengali
, ShapeCharGlyphProp_Bengali
},
487 {{ devanagari_features
, 6}, {devanagari_gpos_features
, 4}, required_bengali_features
, MS_MAKE_TAG('b','n','g','2'), ContextualShape_Bengali
, NULL
},
488 {{ devanagari_features
, 6}, {devanagari_gpos_features
, 4}, required_bengali_features
, MS_MAKE_TAG('b','n','g','2'), ContextualShape_Bengali
, ShapeCharGlyphProp_Bengali
},
489 {{ devanagari_features
, 6}, {devanagari_gpos_features
, 4}, required_gurmukhi_features
, MS_MAKE_TAG('g','u','r','2'), ContextualShape_Gurmukhi
, ShapeCharGlyphProp_Gurmukhi
},
490 {{ devanagari_features
, 6}, {devanagari_gpos_features
, 4}, required_gurmukhi_features
, MS_MAKE_TAG('g','u','r','2'), ContextualShape_Gurmukhi
, NULL
},
491 {{ devanagari_features
, 6}, {devanagari_gpos_features
, 4}, required_devanagari_features
, MS_MAKE_TAG('g','j','r','2'), ContextualShape_Gujarati
, ShapeCharGlyphProp_Gujarati
},
492 {{ devanagari_features
, 6}, {devanagari_gpos_features
, 4}, required_devanagari_features
, MS_MAKE_TAG('g','j','r','2'), ContextualShape_Gujarati
, NULL
},
493 {{ devanagari_features
, 6}, {devanagari_gpos_features
, 4}, required_devanagari_features
, MS_MAKE_TAG('g','j','r','2'), ContextualShape_Gujarati
, ShapeCharGlyphProp_Gujarati
},
494 {{ devanagari_features
, 6}, {devanagari_gpos_features
, 4}, required_oriya_features
, MS_MAKE_TAG('o','r','y','2'), ContextualShape_Oriya
, ShapeCharGlyphProp_Oriya
},
495 {{ devanagari_features
, 6}, {devanagari_gpos_features
, 4}, required_oriya_features
, MS_MAKE_TAG('o','r','y','2'), ContextualShape_Oriya
, NULL
},
496 {{ devanagari_features
, 6}, {devanagari_gpos_features
, 4}, required_tamil_features
, MS_MAKE_TAG('t','a','m','2'), ContextualShape_Tamil
, ShapeCharGlyphProp_Tamil
},
497 {{ devanagari_features
, 6}, {devanagari_gpos_features
, 4}, required_tamil_features
, MS_MAKE_TAG('t','a','m','2'), ContextualShape_Tamil
, NULL
},
498 {{ devanagari_features
, 6}, {devanagari_gpos_features
, 4}, required_telugu_features
, MS_MAKE_TAG('t','e','l','2'), ContextualShape_Telugu
, ShapeCharGlyphProp_Telugu
},
499 {{ devanagari_features
, 6}, {devanagari_gpos_features
, 4}, required_telugu_features
, MS_MAKE_TAG('t','e','l','2'), ContextualShape_Telugu
, NULL
},
500 {{ devanagari_features
, 6}, {devanagari_gpos_features
, 4}, required_telugu_features
, MS_MAKE_TAG('k','n','d','2'), ContextualShape_Kannada
, ShapeCharGlyphProp_Kannada
},
501 {{ devanagari_features
, 6}, {devanagari_gpos_features
, 4}, required_telugu_features
, MS_MAKE_TAG('k','n','d','2'), ContextualShape_Kannada
, NULL
},
502 {{ devanagari_features
, 6}, {devanagari_gpos_features
, 4}, required_telugu_features
, MS_MAKE_TAG('m','l','m','2'), ContextualShape_Malayalam
, ShapeCharGlyphProp_Malayalam
},
503 {{ devanagari_features
, 6}, {devanagari_gpos_features
, 4}, required_telugu_features
, MS_MAKE_TAG('m','l','m','2'), ContextualShape_Malayalam
, NULL
},
504 {{ standard_features
, 2}, {NULL
, 0}, NULL
, 0, NULL
, NULL
},
505 {{ latin_features
, 4}, {latin_gpos_features
, 3}, NULL
, 0, NULL
, ShapeCharGlyphProp_Latin
},
506 {{ standard_features
, 2}, {NULL
, 0}, NULL
, 0, NULL
, NULL
},
507 {{ myanmar_features
, 2}, {NULL
, 0}, NULL
, 0, NULL
, NULL
},
508 {{ myanmar_features
, 2}, {NULL
, 0}, NULL
, 0, NULL
, NULL
},
509 {{ standard_features
, 2}, {NULL
, 0}, NULL
, 0, NULL
, NULL
},
510 {{ standard_features
, 2}, {NULL
, 0}, NULL
, 0, NULL
, NULL
},
511 {{ standard_features
, 2}, {NULL
, 0}, NULL
, 0, NULL
, NULL
},
512 {{ khmer_features
, 5}, {khmer_gpos_features
, 4}, required_khmer_features
, 0, ContextualShape_Khmer
, ShapeCharGlyphProp_Khmer
},
513 {{ khmer_features
, 5}, {khmer_gpos_features
, 4}, required_khmer_features
, 0, ContextualShape_Khmer
, ShapeCharGlyphProp_Khmer
},
514 {{ NULL
, 0}, {NULL
, 0}, NULL
, 0, NULL
, NULL
},
515 {{ NULL
, 0}, {NULL
, 0}, NULL
, 0, NULL
, NULL
},
516 {{ NULL
, 0}, {NULL
, 0}, NULL
, 0, NULL
, NULL
},
517 {{ NULL
, 0}, {NULL
, 0}, NULL
, 0, NULL
, NULL
},
518 {{ NULL
, 0}, {NULL
, 0}, NULL
, 0, NULL
, NULL
},
519 {{ NULL
, 0}, {NULL
, 0}, NULL
, 0, NULL
, NULL
},
520 {{ ethiopic_features
, 4}, {NULL
, 0}, NULL
, 0, NULL
, NULL
},
521 {{ ethiopic_features
, 4}, {NULL
, 0}, NULL
, 0, NULL
, NULL
},
522 {{ mongolian_features
, 4}, {NULL
, 0}, NULL
, 0, ContextualShape_Mongolian
, NULL
},
523 {{ mongolian_features
, 4}, {NULL
, 0}, NULL
, 0, ContextualShape_Mongolian
, NULL
},
524 {{ NULL
, 0}, {NULL
, 0}, NULL
, 0, NULL
, NULL
},
525 {{ NULL
, 0}, {NULL
, 0}, NULL
, 0, NULL
, NULL
},
526 {{ NULL
, 0}, {NULL
, 0}, NULL
, 0, NULL
, NULL
},
527 {{ NULL
, 0}, {NULL
, 0}, NULL
, 0, NULL
, NULL
},
528 {{ NULL
, 0}, {NULL
, 0}, NULL
, 0, NULL
, NULL
},
529 {{ NULL
, 0}, {NULL
, 0}, NULL
, 0, NULL
, NULL
},
530 {{ NULL
, 0}, {NULL
, 0}, NULL
, 0, NULL
, NULL
},
531 {{ NULL
, 0}, {NULL
, 0}, NULL
, 0, NULL
, NULL
},
532 {{ NULL
, 0}, {NULL
, 0}, NULL
, 0, NULL
, NULL
},
533 {{ NULL
, 0}, {NULL
, 0}, NULL
, 0, NULL
, NULL
},
534 {{ NULL
, 0}, {NULL
, 0}, NULL
, 0, NULL
, NULL
},
535 {{ NULL
, 0}, {NULL
, 0}, NULL
, 0, NULL
, NULL
},
536 {{ NULL
, 0}, {NULL
, 0}, NULL
, 0, NULL
, NULL
},
537 {{ NULL
, 0}, {NULL
, 0}, NULL
, 0, NULL
, NULL
},
538 {{ NULL
, 0}, {NULL
, 0}, NULL
, 0, NULL
, NULL
},
539 {{ hebrew_features
, 2}, {hebrew_gpos_features
, 2}, NULL
, 0, ContextualShape_Hebrew
, NULL
},
540 {{ latin_features
, 4}, {latin_gpos_features
, 3}, NULL
, 0, NULL
, ShapeCharGlyphProp_Latin
},
541 {{ thai_features
, 1}, {thai_gpos_features
, 3}, NULL
, 0, ContextualShape_Thai
, ShapeCharGlyphProp_Thai
},
544 extern scriptData scriptInformation
[];
546 static int GSUB_apply_feature_all_lookups(const void *header
, LoadedFeature
*feature
,
547 WORD
*glyphs
, unsigned int glyph_index
, int write_dir
, int *glyph_count
)
550 int out_index
= GSUB_E_NOGLYPH
;
552 TRACE("%i lookups\n", feature
->lookup_count
);
553 for (i
= 0; i
< feature
->lookup_count
; i
++)
555 out_index
= OpenType_apply_GSUB_lookup(header
, feature
->lookups
[i
], glyphs
, glyph_index
, write_dir
, glyph_count
);
556 if (out_index
!= GSUB_E_NOGLYPH
)
559 if (out_index
== GSUB_E_NOGLYPH
)
560 TRACE("lookups found no glyphs\n");
564 out2
= GSUB_apply_feature_all_lookups(header
, feature
, glyphs
, glyph_index
, write_dir
, glyph_count
);
565 if (out2
!=GSUB_E_NOGLYPH
)
571 static OPENTYPE_TAG
get_opentype_script(HDC hdc
, const SCRIPT_ANALYSIS
*psa
,
572 const ScriptCache
*script_cache
, BOOL try_new
)
576 if (script_cache
->userScript
)
578 if (try_new
&& ShapingData
[psa
->eScript
].newOtTag
579 && script_cache
->userScript
== scriptInformation
[psa
->eScript
].scriptTag
)
580 return ShapingData
[psa
->eScript
].newOtTag
;
582 return script_cache
->userScript
;
585 if (try_new
&& ShapingData
[psa
->eScript
].newOtTag
)
586 return ShapingData
[psa
->eScript
].newOtTag
;
588 if (scriptInformation
[psa
->eScript
].scriptTag
)
589 return scriptInformation
[psa
->eScript
].scriptTag
;
592 * fall back to the font charset
594 charset
= GetTextCharsetInfo(hdc
, NULL
, 0x0);
598 case BALTIC_CHARSET
: return MS_MAKE_TAG('l','a','t','n');
599 case CHINESEBIG5_CHARSET
: return MS_MAKE_TAG('h','a','n','i');
600 case EASTEUROPE_CHARSET
: return MS_MAKE_TAG('l','a','t','n'); /* ?? */
601 case GB2312_CHARSET
: return MS_MAKE_TAG('h','a','n','i');
602 case GREEK_CHARSET
: return MS_MAKE_TAG('g','r','e','k');
603 case HANGUL_CHARSET
: return MS_MAKE_TAG('h','a','n','g');
604 case RUSSIAN_CHARSET
: return MS_MAKE_TAG('c','y','r','l');
605 case SHIFTJIS_CHARSET
: return MS_MAKE_TAG('k','a','n','a');
606 case TURKISH_CHARSET
: return MS_MAKE_TAG('l','a','t','n'); /* ?? */
607 case VIETNAMESE_CHARSET
: return MS_MAKE_TAG('l','a','t','n');
608 case JOHAB_CHARSET
: return MS_MAKE_TAG('l','a','t','n'); /* ?? */
609 case ARABIC_CHARSET
: return MS_MAKE_TAG('a','r','a','b');
610 case HEBREW_CHARSET
: return MS_MAKE_TAG('h','e','b','r');
611 case THAI_CHARSET
: return MS_MAKE_TAG('t','h','a','i');
612 default: return MS_MAKE_TAG('l','a','t','n');
616 static LoadedFeature
* load_OT_feature(HDC hdc
, SCRIPT_ANALYSIS
*psa
, ScriptCache
*psc
, char tableType
, const char* feat
)
618 LoadedFeature
*feature
= NULL
;
620 if (psc
->GSUB_Table
|| psc
->GPOS_Table
)
624 OPENTYPE_TAG language
;
625 OPENTYPE_TAG script
= 0x00000000;
630 script
= get_opentype_script(hdc
,psa
,psc
,(attempt
==2));
631 if (psc
->userLang
!= 0)
632 language
= psc
->userLang
;
634 language
= MS_MAKE_TAG('d','f','l','t');
637 OpenType_GetFontFeatureTags(psc
, script
, language
, FALSE
, MS_MAKE_TAG(feat
[0],feat
[1],feat
[2],feat
[3]), tableType
, 1, &tags
, &cTags
, &feature
);
639 } while(attempt
&& !feature
);
641 /* try in the default (latin) table */
645 script
= MS_MAKE_TAG('l','a','t','n');
646 OpenType_GetFontFeatureTags(psc
, script
, MS_MAKE_TAG('d','f','l','t'), FALSE
, MS_MAKE_TAG(feat
[0],feat
[1],feat
[2],feat
[3]), tableType
, 1, &tags
, &cTags
, &feature
);
650 TRACE("Feature %s located at %p\n",debugstr_an(feat
,4),feature
);
654 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
)
656 LoadedFeature
*feature
;
658 feature
= load_OT_feature(hdc
, psa
, psc
, FEATURE_GSUB_TABLE
, feat
);
660 return GSUB_E_NOFEATURE
;
662 TRACE("applying feature %s\n",feat
);
663 return GSUB_apply_feature_all_lookups(psc
->GSUB_Table
, feature
, glyphs
, index
, write_dir
, glyph_count
);
666 static VOID
*load_gsub_table(HDC hdc
)
668 VOID
* GSUB_Table
= NULL
;
669 int length
= GetFontData(hdc
, MS_MAKE_TAG('G', 'S', 'U', 'B'), 0, NULL
, 0);
670 if (length
!= GDI_ERROR
)
672 GSUB_Table
= heap_alloc(length
);
673 GetFontData(hdc
, MS_MAKE_TAG('G', 'S', 'U', 'B'), 0, GSUB_Table
, length
);
674 TRACE("Loaded GSUB table of %i bytes\n",length
);
679 static VOID
*load_gpos_table(HDC hdc
)
681 VOID
* GPOS_Table
= NULL
;
682 int length
= GetFontData(hdc
, MS_MAKE_TAG('G', 'P', 'O', 'S'), 0, NULL
, 0);
683 if (length
!= GDI_ERROR
)
685 GPOS_Table
= heap_alloc(length
);
686 GetFontData(hdc
, MS_MAKE_TAG('G', 'P', 'O', 'S'), 0, GPOS_Table
, length
);
687 TRACE("Loaded GPOS table of %i bytes\n",length
);
692 static VOID
*load_gdef_table(HDC hdc
)
694 VOID
* GDEF_Table
= NULL
;
695 int length
= GetFontData(hdc
, MS_MAKE_TAG('G', 'D', 'E', 'F'), 0, NULL
, 0);
696 if (length
!= GDI_ERROR
)
698 GDEF_Table
= heap_alloc(length
);
699 GetFontData(hdc
, MS_MAKE_TAG('G', 'D', 'E', 'F'), 0, GDEF_Table
, length
);
700 TRACE("Loaded GDEF table of %i bytes\n",length
);
705 static VOID
load_ot_tables(HDC hdc
, ScriptCache
*psc
)
707 if (!psc
->GSUB_Table
)
708 psc
->GSUB_Table
= load_gsub_table(hdc
);
709 if (!psc
->GPOS_Table
)
710 psc
->GPOS_Table
= load_gpos_table(hdc
);
711 if (!psc
->GDEF_Table
)
712 psc
->GDEF_Table
= load_gdef_table(hdc
);
715 int SHAPE_does_GSUB_feature_apply_to_chars(HDC hdc
, SCRIPT_ANALYSIS
*psa
, ScriptCache
*psc
,
716 const WCHAR
*chars
, int write_dir
, int count
, const char *feature
)
719 INT glyph_count
= count
;
722 glyphs
= heap_calloc(count
, 2 * sizeof(*glyphs
));
723 GetGlyphIndicesW(hdc
, chars
, count
, glyphs
, 0);
724 rc
= apply_GSUB_feature_to_glyph(hdc
, psa
, psc
, glyphs
, 0, write_dir
, &glyph_count
, feature
);
725 if (rc
> GSUB_E_NOGLYPH
)
726 rc
= count
- glyph_count
;
734 static void UpdateClustersFromGlyphProp(const int cGlyphs
, const int cChars
, WORD
* pwLogClust
, SCRIPT_GLYPHPROP
*pGlyphProp
)
738 for (i
= 0; i
< cGlyphs
; i
++)
740 if (!pGlyphProp
[i
].sva
.fClusterStart
)
743 for (j
= 0; j
< cChars
; j
++)
745 if (pwLogClust
[j
] == i
)
748 while (k
>= 0 && k
<cChars
&& !pGlyphProp
[pwLogClust
[k
]].sva
.fClusterStart
)
750 if (k
>= 0 && k
<cChars
&& pGlyphProp
[pwLogClust
[k
]].sva
.fClusterStart
)
751 pwLogClust
[j
] = pwLogClust
[k
];
758 static void UpdateClusters(int nextIndex
, int changeCount
, int write_dir
, int chars
, WORD
* pwLogClust
)
760 if (changeCount
== 0)
764 int cluster_dir
= pwLogClust
[0] < pwLogClust
[chars
-1] ? 1 : -1;
766 int target_glyph
= nextIndex
- write_dir
;
767 int target_index
= -1;
768 int replacing_glyph
= -1;
774 target_glyph
= nextIndex
- changeCount
;
776 target_glyph
= nextIndex
+ (changeCount
+ 1);
779 target_index
= USP10_FindGlyphInLogClust(pwLogClust
, chars
, target_glyph
);
780 if (target_index
== -1)
782 ERR("Unable to find target glyph\n");
789 for (i
= target_index
; i
< chars
&& i
>= 0; i
+= cluster_dir
)
791 if (pwLogClust
[i
] == target_glyph
)
793 if(pwLogClust
[i
] == replacing_glyph
)
794 pwLogClust
[i
] = target_glyph
;
798 if (changed
>= changeCount
)
800 replacing_glyph
= pwLogClust
[i
];
801 pwLogClust
[i
] = target_glyph
;
808 /* renumber trailing indexes */
809 for (i
= target_index
; i
< chars
&& i
>= 0; i
+= cluster_dir
)
811 if (pwLogClust
[i
] != target_glyph
)
812 pwLogClust
[i
] += changeCount
;
817 for (i
= target_index
; i
< chars
&& i
>= 0; i
+= cluster_dir
)
818 pwLogClust
[i
] += changeCount
;
823 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
)
827 LoadedFeature
*feature
;
830 feature
= load_OT_feature(hdc
, psa
, psc
, FEATURE_GSUB_TABLE
, feat
);
832 return GSUB_E_NOFEATURE
;
834 TRACE("applying feature %s: %i lookups\n",debugstr_an(feat
,4),feature
->lookup_count
);
835 for (lookup_index
= 0; lookup_index
< feature
->lookup_count
; lookup_index
++)
843 TRACE("applying lookup (%i/%i)\n",lookup_index
,feature
->lookup_count
);
844 while(i
< *pcGlyphs
&& i
>= 0)
847 INT prevCount
= *pcGlyphs
;
849 nextIndex
= OpenType_apply_GSUB_lookup(psc
->GSUB_Table
, feature
->lookups
[lookup_index
], pwOutGlyphs
, i
, write_dir
, pcGlyphs
);
850 if (*pcGlyphs
!= prevCount
)
852 UpdateClusters(nextIndex
, *pcGlyphs
- prevCount
, write_dir
, cChars
, pwLogClust
);
861 return GSUB_E_NOFEATURE
;
864 static void GPOS_apply_feature(const ScriptCache
*psc
, const OUTLINETEXTMETRICW
*otm
,
865 const LOGFONTW
*logfont
, const SCRIPT_ANALYSIS
*analysis
, int *advance
,
866 const LoadedFeature
*feature
, const WORD
*glyphs
, int glyph_count
, GOFFSET
*goffset
)
868 int dir
= analysis
->fLogicalOrder
&& analysis
->fRTL
? -1 : 1;
869 unsigned int start_idx
, i
, j
;
871 TRACE("%i lookups\n", feature
->lookup_count
);
873 start_idx
= dir
< 0 ? glyph_count
- 1 : 0;
874 for (i
= 0; i
< feature
->lookup_count
; i
++)
876 for (j
= 0; j
< glyph_count
; )
877 j
+= OpenType_apply_GPOS_lookup(psc
, otm
, logfont
, analysis
, advance
,
878 feature
->lookups
[i
], glyphs
, start_idx
+ dir
* j
, glyph_count
, goffset
);
882 static inline BOOL
get_GSUB_Indic2(SCRIPT_ANALYSIS
*psa
, ScriptCache
*psc
)
888 hr
= OpenType_GetFontScriptTags(psc
, ShapingData
[psa
->eScript
].newOtTag
, 1, &tag
, &count
);
890 return(SUCCEEDED(hr
));
893 static void insert_glyph(WORD
*pwGlyphs
, INT
*pcGlyphs
, INT cChars
, INT write_dir
, WORD glyph
, INT index
, WORD
*pwLogClust
)
896 for (i
= *pcGlyphs
; i
>=index
; i
--)
897 pwGlyphs
[i
+1] = pwGlyphs
[i
];
898 pwGlyphs
[index
] = glyph
;
899 *pcGlyphs
= *pcGlyphs
+1;
901 UpdateClusters(index
-3, 1, write_dir
, cChars
, pwLogClust
);
903 UpdateClusters(index
, 1, write_dir
, cChars
, pwLogClust
);
906 static void mark_invalid_combinations(HDC hdc
, const WCHAR
* pwcChars
, INT cChars
, WORD
*pwGlyphs
, INT
*pcGlyphs
, INT write_dir
, WORD
*pwLogClust
, combining_lexical_function lex
)
910 WCHAR invalid
= 0x25cc;
913 context_type
= heap_alloc(cChars
);
915 /* Mark invalid combinations */
916 for (i
= 0; i
< cChars
; i
++)
917 context_type
[i
] = lex(pwcChars
[i
]);
919 GetGlyphIndicesW(hdc
, &invalid
, 1, &invalid_glyph
, 0);
920 for (i
= 1, g
=1; i
< cChars
- 1; i
++, g
++)
922 if (context_type
[i
] != 0 && context_type
[i
+write_dir
]==context_type
[i
])
924 insert_glyph(pwGlyphs
, pcGlyphs
, cChars
, write_dir
, invalid_glyph
, g
, pwLogClust
);
929 heap_free(context_type
);
932 static void ContextualShape_Control(HDC hdc
, ScriptCache
*psc
, SCRIPT_ANALYSIS
*psa
, WCHAR
* pwcChars
, INT cChars
, WORD
* pwOutGlyphs
, INT
* pcGlyphs
, INT cMaxGlyphs
, WORD
*pwLogClust
)
935 for (i
=0; i
< cChars
; i
++)
941 pwOutGlyphs
[i
] = psc
->sfp
.wgBlank
;
944 if (pwcChars
[i
] < 0x1C)
945 pwOutGlyphs
[i
] = psc
->sfp
.wgDefault
;
947 pwOutGlyphs
[i
] = psc
->sfp
.wgBlank
;
952 static WCHAR
neighbour_char(int i
, int delta
, const WCHAR
* chars
, INT cchLen
)
956 if ( i
+ delta
>= cchLen
)
964 static CHAR
neighbour_joining_type(int i
, int delta
, const CHAR
* context_type
, INT cchLen
, SCRIPT_ANALYSIS
*psa
)
968 if (psa
->fLinkBefore
)
973 if ( i
+ delta
>= cchLen
)
983 if (context_type
[i
] == jtT
)
984 return neighbour_joining_type(i
,delta
,context_type
,cchLen
,psa
);
986 return context_type
[i
];
989 static inline BOOL
right_join_causing(CHAR joining_type
)
991 return (joining_type
== jtL
|| joining_type
== jtD
|| joining_type
== jtC
);
994 static inline BOOL
left_join_causing(CHAR joining_type
)
996 return (joining_type
== jtR
|| joining_type
== jtD
|| joining_type
== jtC
);
999 static inline BOOL
word_break_causing(WCHAR chr
)
1001 /* we are working within a string of characters already guareented to
1002 be within one script, Syriac, so we do not worry about any character
1003 other than the space character outside of that range */
1004 return (chr
== 0 || chr
== 0x20 );
1007 static int combining_lexical_Arabic(WCHAR c
)
1009 enum {Arab_Norm
= 0, Arab_DIAC1
, Arab_DIAC2
, Arab_DIAC3
, Arab_DIAC4
, Arab_DIAC5
, Arab_DIAC6
, Arab_DIAC7
, Arab_DIAC8
};
1020 case 0x06E1: return Arab_DIAC1
;
1023 case 0x0656: return Arab_DIAC2
;
1024 case 0x0651: return Arab_DIAC3
;
1040 case 0x06EC: return Arab_DIAC4
;
1043 case 0x06ED: return Arab_DIAC5
;
1044 case 0x0670: return Arab_DIAC6
;
1045 case 0x0653: return Arab_DIAC7
;
1047 case 0x0654: return Arab_DIAC8
;
1048 default: return Arab_Norm
;
1053 * ContextualShape_Arabic
1055 static void ContextualShape_Arabic(HDC hdc
, ScriptCache
*psc
, SCRIPT_ANALYSIS
*psa
, WCHAR
* pwcChars
, INT cChars
, WORD
* pwOutGlyphs
, INT
* pcGlyphs
, INT cMaxGlyphs
, WORD
*pwLogClust
)
1064 if (*pcGlyphs
!= cChars
)
1066 ERR("Number of Glyphs and Chars need to match at the beginning\n");
1070 if (psa
->fLogicalOrder
&& psa
->fRTL
)
1081 load_ot_tables(hdc
, psc
);
1083 context_type
= heap_alloc(cChars
);
1084 context_shape
= heap_alloc(cChars
* sizeof(*context_shape
));
1086 for (i
= 0; i
< cChars
; i
++)
1087 context_type
[i
] = get_table_entry( wine_shaping_table
, pwcChars
[i
] );
1089 for (i
= 0; i
< cChars
; i
++)
1091 if (context_type
[i
] == jtR
&& right_join_causing(neighbour_joining_type(i
,dirR
,context_type
,cChars
,psa
)))
1092 context_shape
[i
] = Xr
;
1093 else if (context_type
[i
] == jtL
&& left_join_causing(neighbour_joining_type(i
,dirL
,context_type
,cChars
,psa
)))
1094 context_shape
[i
] = Xl
;
1095 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
)))
1096 context_shape
[i
] = Xm
;
1097 else if (context_type
[i
] == jtD
&& right_join_causing(neighbour_joining_type(i
,dirR
,context_type
,cChars
,psa
)))
1098 context_shape
[i
] = Xr
;
1099 else if (context_type
[i
] == jtD
&& left_join_causing(neighbour_joining_type(i
,dirL
,context_type
,cChars
,psa
)))
1100 context_shape
[i
] = Xl
;
1102 context_shape
[i
] = Xn
;
1105 /* Contextual Shaping */
1107 char_index
= glyph_index
= 0;
1109 char_index
= glyph_index
= cChars
-1;
1111 while(char_index
< cChars
&& char_index
>= 0)
1113 BOOL shaped
= FALSE
;
1115 if (psc
->GSUB_Table
)
1117 INT nextIndex
, offset
= 0;
1118 INT prevCount
= *pcGlyphs
;
1120 /* Apply CCMP first */
1121 apply_GSUB_feature_to_glyph(hdc
, psa
, psc
, pwOutGlyphs
, glyph_index
, dirL
, pcGlyphs
, "ccmp");
1123 if (prevCount
!= *pcGlyphs
)
1125 offset
= *pcGlyphs
- prevCount
;
1127 glyph_index
-= offset
* dirL
;
1130 /* Apply the contextual feature */
1131 nextIndex
= apply_GSUB_feature_to_glyph(hdc
, psa
, psc
, pwOutGlyphs
, glyph_index
, dirL
, pcGlyphs
, contextual_features
[context_shape
[char_index
]]);
1133 if (nextIndex
> GSUB_E_NOGLYPH
)
1135 UpdateClusters(glyph_index
, *pcGlyphs
- prevCount
, dirL
, cChars
, pwLogClust
);
1138 glyph_index
= nextIndex
;
1141 offset
= *pcGlyphs
- prevCount
;
1142 glyph_index
+= dirL
* (offset
+ 1);
1146 else if (nextIndex
== GSUB_E_NOGLYPH
)
1149 glyph_index
+= dirL
;
1156 if (context_shape
[char_index
] == Xn
)
1158 WORD newGlyph
= pwOutGlyphs
[glyph_index
];
1159 if (pwcChars
[char_index
] >= FIRST_ARABIC_CHAR
&& pwcChars
[char_index
] <= LAST_ARABIC_CHAR
)
1161 /* fall back to presentation form B */
1162 WCHAR context_char
= wine_shaping_forms
[pwcChars
[char_index
] - FIRST_ARABIC_CHAR
][context_shape
[char_index
]];
1163 if (context_char
!= pwcChars
[char_index
] && GetGlyphIndicesW(hdc
, &context_char
, 1, &newGlyph
, 0) != GDI_ERROR
&& newGlyph
!= 0x0000)
1164 pwOutGlyphs
[glyph_index
] = newGlyph
;
1168 glyph_index
+= dirL
;
1172 heap_free(context_shape
);
1173 heap_free(context_type
);
1175 mark_invalid_combinations(hdc
, pwcChars
, cChars
, pwOutGlyphs
, pcGlyphs
, dirL
, pwLogClust
, combining_lexical_Arabic
);
1178 static int combining_lexical_Hebrew(WCHAR c
)
1180 enum {Hebr_Norm
=0, Hebr_DIAC
, Hebr_CANT1
, Hebr_CANT2
, Hebr_CANT3
, Hebr_CANT4
, Hebr_CANT5
, Hebr_CANT6
, Hebr_CANT7
, Hebr_CANT8
, Hebr_CANT9
, Hebr_CANT10
, Hebr_DAGESH
, Hebr_DOTABV
, Hebr_HOLAM
, Hebr_METEG
, Hebr_PATAH
, Hebr_QAMATS
, Hebr_RAFE
, Hebr_SHINSIN
};
1191 case 0x05BB: return Hebr_DIAC
;
1195 case 0x05AE: return Hebr_CANT1
;
1198 case 0x05AC: return Hebr_CANT2
;
1204 case 0x05AB: return Hebr_CANT3
;
1208 case 0x059F: return Hebr_CANT4
;
1210 case 0x05A0: return Hebr_CANT5
;
1212 case 0x05A5: return Hebr_CANT6
;
1215 case 0x05A6: return Hebr_CANT7
;
1218 case 0x05AA: return Hebr_CANT8
;
1220 case 0x05AD: return Hebr_CANT9
;
1221 case 0x05AF: return Hebr_CANT10
;
1222 case 0x05BC: return Hebr_DAGESH
;
1223 case 0x05C4: return Hebr_DOTABV
;
1224 case 0x05B9: return Hebr_HOLAM
;
1225 case 0x05BD: return Hebr_METEG
;
1226 case 0x05B7: return Hebr_PATAH
;
1227 case 0x05B8: return Hebr_QAMATS
;
1228 case 0x05BF: return Hebr_RAFE
;
1230 case 0x05C2: return Hebr_SHINSIN
;
1231 default: return Hebr_Norm
;
1235 static void ContextualShape_Hebrew(HDC hdc
, ScriptCache
*psc
, SCRIPT_ANALYSIS
*psa
, WCHAR
* pwcChars
, INT cChars
, WORD
* pwOutGlyphs
, INT
* pcGlyphs
, INT cMaxGlyphs
, WORD
*pwLogClust
)
1239 if (*pcGlyphs
!= cChars
)
1241 ERR("Number of Glyphs and Chars need to match at the beginning\n");
1245 if (!psa
->fLogicalOrder
&& psa
->fRTL
)
1250 mark_invalid_combinations(hdc
, pwcChars
, cChars
, pwOutGlyphs
, pcGlyphs
, dirL
, pwLogClust
, combining_lexical_Hebrew
);
1254 * ContextualShape_Syriac
1257 static int combining_lexical_Syriac(WCHAR c
)
1259 enum {Syriac_Norm
=0, Syriac_DIAC1
, Syriac_DIAC2
, Syriac_DIAC3
, Syriac_DIAC4
, Syriac_DIAC5
, Syriac_DIAC6
, Syriac_DIAC7
, Syriac_DIAC8
, Syriac_DIAC9
, Syriac_DIAC10
, Syriac_DIAC11
, Syriac_DIAC12
, Syriac_DIAC13
, Syriac_DIAC14
, Syriac_DIAC15
, Syriac_DIAC16
, Syriac_DIAC17
};
1267 case 0x73D: return Syriac_DIAC1
;
1272 case 0x73E: return Syriac_DIAC2
;
1275 case 0x74A: return Syriac_DIAC3
;
1278 case 0x73F: return Syriac_DIAC4
;
1281 case 0x73C: return Syriac_DIAC5
;
1283 case 0x30A: return Syriac_DIAC6
;
1285 case 0x325: return Syriac_DIAC7
;
1287 case 0x303: return Syriac_DIAC8
;
1292 case 0x331: return Syriac_DIAC9
;
1293 case 0x308: return Syriac_DIAC10
;
1294 case 0x304: return Syriac_DIAC11
;
1295 case 0x307: return Syriac_DIAC12
;
1296 case 0x323: return Syriac_DIAC13
;
1297 case 0x743: return Syriac_DIAC14
;
1298 case 0x744: return Syriac_DIAC15
;
1299 case 0x745: return Syriac_DIAC16
;
1300 case 0x746: return Syriac_DIAC17
;
1301 default: return Syriac_Norm
;
1306 #define DALATH 0x715
1309 static void ContextualShape_Syriac(HDC hdc
, ScriptCache
*psc
, SCRIPT_ANALYSIS
*psa
, WCHAR
* pwcChars
, INT cChars
, WORD
* pwOutGlyphs
, INT
* pcGlyphs
, INT cMaxGlyphs
, WORD
*pwLogClust
)
1318 if (*pcGlyphs
!= cChars
)
1320 ERR("Number of Glyphs and Chars need to match at the beginning\n");
1324 if (!psa
->fLogicalOrder
&& psa
->fRTL
)
1335 load_ot_tables(hdc
, psc
);
1337 if (!psc
->GSUB_Table
)
1340 context_type
= heap_alloc(cChars
);
1341 context_shape
= heap_alloc(cChars
* sizeof(*context_shape
));
1343 for (i
= 0; i
< cChars
; i
++)
1344 context_type
[i
] = get_table_entry( wine_shaping_table
, pwcChars
[i
] );
1346 for (i
= 0; i
< cChars
; i
++)
1348 if (pwcChars
[i
] == ALAPH
)
1350 WCHAR rchar
= neighbour_char(i
,dirR
,pwcChars
,cChars
);
1352 if (left_join_causing(neighbour_joining_type(i
,dirR
,context_type
,cChars
,psa
)) && word_break_causing(neighbour_char(i
,dirL
,pwcChars
,cChars
)))
1353 context_shape
[i
] = Afj
;
1354 else if ( rchar
!= DALATH
&& rchar
!= RISH
&&
1355 !left_join_causing(neighbour_joining_type(i
,dirR
,context_type
,cChars
,psa
)) &&
1356 word_break_causing(neighbour_char(i
,dirL
,pwcChars
,cChars
)))
1357 context_shape
[i
] = Afn
;
1358 else if ( (rchar
== DALATH
|| rchar
== RISH
) && word_break_causing(neighbour_char(i
,dirL
,pwcChars
,cChars
)))
1359 context_shape
[i
] = Afx
;
1361 context_shape
[i
] = Xn
;
1363 else if (context_type
[i
] == jtR
&&
1364 right_join_causing(neighbour_joining_type(i
,dirR
,context_type
,cChars
,psa
)))
1365 context_shape
[i
] = Xr
;
1366 else if (context_type
[i
] == jtL
&& left_join_causing(neighbour_joining_type(i
,dirL
,context_type
,cChars
,psa
)))
1367 context_shape
[i
] = Xl
;
1368 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
)))
1369 context_shape
[i
] = Xm
;
1370 else if (context_type
[i
] == jtD
&& right_join_causing(neighbour_joining_type(i
,dirR
,context_type
,cChars
,psa
)))
1371 context_shape
[i
] = Xr
;
1372 else if (context_type
[i
] == jtD
&& left_join_causing(neighbour_joining_type(i
,dirL
,context_type
,cChars
,psa
)))
1373 context_shape
[i
] = Xl
;
1375 context_shape
[i
] = Xn
;
1378 /* Contextual Shaping */
1380 char_index
= glyph_index
= 0;
1382 char_index
= glyph_index
= cChars
-1;
1384 while(char_index
< cChars
&& char_index
>= 0)
1386 INT nextIndex
, offset
= 0;
1387 INT prevCount
= *pcGlyphs
;
1389 /* Apply CCMP first */
1390 apply_GSUB_feature_to_glyph(hdc
, psa
, psc
, pwOutGlyphs
, glyph_index
, dirL
, pcGlyphs
, "ccmp");
1392 if (prevCount
!= *pcGlyphs
)
1394 offset
= *pcGlyphs
- prevCount
;
1396 glyph_index
-= offset
* dirL
;
1399 /* Apply the contextual feature */
1400 nextIndex
= apply_GSUB_feature_to_glyph(hdc
, psa
, psc
, pwOutGlyphs
, glyph_index
, dirL
, pcGlyphs
, contextual_features
[context_shape
[char_index
]]);
1401 if (nextIndex
> GSUB_E_NOGLYPH
)
1403 UpdateClusters(nextIndex
, *pcGlyphs
- prevCount
, dirL
, cChars
, pwLogClust
);
1406 glyph_index
= nextIndex
;
1409 offset
= *pcGlyphs
- prevCount
;
1410 glyph_index
+= dirL
* (offset
+ 1);
1416 glyph_index
+= dirL
;
1420 heap_free(context_shape
);
1421 heap_free(context_type
);
1423 mark_invalid_combinations(hdc
, pwcChars
, cChars
, pwOutGlyphs
, pcGlyphs
, dirL
, pwLogClust
, combining_lexical_Syriac
);
1426 static int combining_lexical_Thaana(WCHAR c
)
1428 enum {Thaana_Norm
=0, Thaana_FILI
};
1441 case 0x7AF: return Thaana_FILI
;
1442 default: return Thaana_Norm
;
1446 static void ContextualShape_Thaana(HDC hdc
, ScriptCache
*psc
, SCRIPT_ANALYSIS
*psa
, WCHAR
* pwcChars
, INT cChars
, WORD
* pwOutGlyphs
, INT
* pcGlyphs
, INT cMaxGlyphs
, WORD
*pwLogClust
)
1450 if (*pcGlyphs
!= cChars
)
1452 ERR("Number of Glyphs and Chars need to match at the beginning\n");
1456 if (!psa
->fLogicalOrder
&& psa
->fRTL
)
1461 mark_invalid_combinations(hdc
, pwcChars
, cChars
, pwOutGlyphs
, pcGlyphs
, dirL
, pwLogClust
, combining_lexical_Thaana
);
1465 * ContextualShape_Phags_pa
1468 #define phags_pa_CANDRABINDU 0xA873
1469 #define phags_pa_START 0xA840
1470 #define phags_pa_END 0xA87F
1472 static void ContextualShape_Phags_pa(HDC hdc
, ScriptCache
*psc
, SCRIPT_ANALYSIS
*psa
, WCHAR
* pwcChars
, INT cChars
, WORD
* pwOutGlyphs
, INT
* pcGlyphs
, INT cMaxGlyphs
, WORD
*pwLogClust
)
1480 if (*pcGlyphs
!= cChars
)
1482 ERR("Number of Glyphs and Chars need to match at the beginning\n");
1486 if (!psa
->fLogicalOrder
&& psa
->fRTL
)
1497 load_ot_tables(hdc
, psc
);
1499 if (!psc
->GSUB_Table
)
1502 context_shape
= heap_alloc(cChars
* sizeof(*context_shape
));
1504 for (i
= 0; i
< cChars
; i
++)
1506 if (pwcChars
[i
] >= phags_pa_START
&& pwcChars
[i
] <= phags_pa_END
)
1508 WCHAR rchar
= neighbour_char(i
,dirR
,pwcChars
,cChars
);
1509 WCHAR lchar
= neighbour_char(i
,dirL
,pwcChars
,cChars
);
1510 BOOL jrchar
= (rchar
!= phags_pa_CANDRABINDU
&& rchar
>= phags_pa_START
&& rchar
<= phags_pa_END
);
1511 BOOL jlchar
= (lchar
!= phags_pa_CANDRABINDU
&& lchar
>= phags_pa_START
&& lchar
<= phags_pa_END
);
1513 if (jrchar
&& jlchar
)
1514 context_shape
[i
] = Xm
;
1516 context_shape
[i
] = Xr
;
1518 context_shape
[i
] = Xl
;
1520 context_shape
[i
] = Xn
;
1523 context_shape
[i
] = -1;
1526 /* Contextual Shaping */
1528 char_index
= glyph_index
= 0;
1530 char_index
= glyph_index
= cChars
-1;
1532 while(char_index
< cChars
&& char_index
>= 0)
1534 if (context_shape
[char_index
] >= 0)
1537 INT prevCount
= *pcGlyphs
;
1538 nextIndex
= apply_GSUB_feature_to_glyph(hdc
, psa
, psc
, pwOutGlyphs
, glyph_index
, dirL
, pcGlyphs
, contextual_features
[context_shape
[char_index
]]);
1540 if (nextIndex
> GSUB_E_NOGLYPH
)
1542 UpdateClusters(nextIndex
, *pcGlyphs
- prevCount
, dirL
, cChars
, pwLogClust
);
1543 glyph_index
= nextIndex
;
1549 glyph_index
+= dirL
;
1555 glyph_index
+= dirL
;
1559 heap_free(context_shape
);
1562 static int combining_lexical_Thai(WCHAR c
)
1564 enum {Thai_Norm
=0, Thai_ABOVE1
, Thai_ABOVE2
, Thai_ABOVE3
, Thai_ABOVE4
, Thai_BELOW1
, Thai_BELOW2
, Thai_AM
};
1572 case 0xE37: return Thai_ABOVE1
;
1574 case 0xE4D: return Thai_ABOVE2
;
1578 case 0xE4B: return Thai_ABOVE3
;
1580 case 0xE4E: return Thai_ABOVE4
;
1582 case 0xE39: return Thai_BELOW1
;
1583 case 0xE3A: return Thai_BELOW2
;
1584 case 0xE33: return Thai_AM
;
1585 default: return Thai_Norm
;
1589 static void ContextualShape_Thai(HDC hdc
, ScriptCache
*psc
, SCRIPT_ANALYSIS
*psa
, WCHAR
* pwcChars
, INT cChars
, WORD
* pwOutGlyphs
, INT
* pcGlyphs
, INT cMaxGlyphs
, WORD
*pwLogClust
)
1593 if (*pcGlyphs
!= cChars
)
1595 ERR("Number of Glyphs and Chars need to match at the beginning\n");
1599 if (!psa
->fLogicalOrder
&& psa
->fRTL
)
1604 mark_invalid_combinations(hdc
, pwcChars
, cChars
, pwOutGlyphs
, pcGlyphs
, dirL
, pwLogClust
, combining_lexical_Thai
);
1607 static int combining_lexical_Lao(WCHAR c
)
1609 enum {Lao_Norm
=0, Lao_ABOVE1
, Lao_ABOVE2
, Lao_BELOW1
, Lao_BELOW2
, Lao_AM
};
1619 case 0xECD: return Lao_ABOVE1
;
1624 case 0xECC: return Lao_ABOVE2
;
1625 case 0xEBC: return Lao_BELOW1
;
1627 case 0xEB9: return Lao_BELOW2
;
1628 case 0xEB3: return Lao_AM
;
1629 default: return Lao_Norm
;
1633 static void ContextualShape_Lao(HDC hdc
, ScriptCache
*psc
, SCRIPT_ANALYSIS
*psa
, WCHAR
* pwcChars
, INT cChars
, WORD
* pwOutGlyphs
, INT
* pcGlyphs
, INT cMaxGlyphs
, WORD
*pwLogClust
)
1637 if (*pcGlyphs
!= cChars
)
1639 ERR("Number of Glyphs and Chars need to match at the beginning\n");
1643 if (!psa
->fLogicalOrder
&& psa
->fRTL
)
1648 mark_invalid_combinations(hdc
, pwcChars
, cChars
, pwOutGlyphs
, pcGlyphs
, dirL
, pwLogClust
, combining_lexical_Lao
);
1651 static void ReplaceInsertChars(HDC hdc
, INT cWalk
, INT
* pcChars
, WCHAR
*pwOutChars
, const WCHAR
*replacements
)
1656 pwOutChars
[cWalk
] = replacements
[0];
1660 for (i
= 1; i
< 3 && replacements
[i
] != 0x0000; i
++)
1663 for (j
= *pcChars
; j
> cWalk
; j
--)
1664 pwOutChars
[j
] = pwOutChars
[j
-1];
1665 *pcChars
= *pcChars
+1;
1666 pwOutChars
[cWalk
] = replacements
[i
];
1671 static void DecomposeVowels(HDC hdc
, WCHAR
*pwOutChars
, INT
*pcChars
, const VowelComponents vowels
[], WORD
* pwLogClust
, INT cChars
)
1676 for (cWalk
= 0; cWalk
< *pcChars
; cWalk
++)
1678 for (i
= 0; vowels
[i
].base
!= 0x0; i
++)
1680 if (pwOutChars
[cWalk
] == vowels
[i
].base
)
1683 ReplaceInsertChars(hdc
, cWalk
, pcChars
, pwOutChars
, vowels
[i
].parts
);
1684 if (vowels
[i
].parts
[1]) { cWalk
++; o
++; }
1685 if (vowels
[i
].parts
[2]) { cWalk
++; o
++; }
1686 UpdateClusters(cWalk
, o
, 1, cChars
, pwLogClust
);
1693 static void ComposeConsonants(HDC hdc
, WCHAR
*pwOutChars
, INT
*pcChars
, const ConsonantComponents consonants
[], WORD
* pwLogClust
)
1699 for (cWalk
= 0; cWalk
< *pcChars
; cWalk
++)
1701 for (i
= 0; consonants
[i
].output
!= 0x0; i
++)
1704 for (j
= 0; j
+ cWalk
< *pcChars
&& consonants
[i
].parts
[j
]!=0x0; j
++)
1705 if (pwOutChars
[cWalk
+j
] != consonants
[i
].parts
[j
])
1708 if (consonants
[i
].parts
[j
]==0x0) /* matched all */
1712 pwOutChars
[cWalk
] = consonants
[i
].output
;
1713 for(k
= cWalk
+1; k
< *pcChars
- j
; k
++)
1714 pwOutChars
[k
] = pwOutChars
[k
+j
];
1715 *pcChars
= *pcChars
- j
;
1716 for (k
= j
; k
> 0; k
--)
1717 pwLogClust
[cWalk
+ k
+ offset
] = pwLogClust
[cWalk
+ offset
];
1719 for (k
= cWalk
+ j
+ offset
; k
< *pcChars
+ offset
; k
++)
1728 static void Reorder_Ra_follows_base(WCHAR
*pwChar
, IndicSyllable
*s
, lexical_function lexical
)
1733 WORD Ra
= pwChar
[s
->start
];
1734 WORD H
= pwChar
[s
->start
+1];
1736 TRACE("Doing reorder of Ra to %i\n",s
->base
);
1737 for (j
= s
->start
; j
< s
->base
-1; j
++)
1738 pwChar
[j
] = pwChar
[j
+2];
1739 pwChar
[s
->base
-1] = Ra
;
1740 pwChar
[s
->base
] = H
;
1742 s
->ralf
= s
->base
-1;
1747 static void Reorder_Ra_follows_matra(WCHAR
*pwChar
, IndicSyllable
*s
, lexical_function lexical
)
1752 int stop
= (s
->blwf
>=0)? s
->blwf
+1 : s
->base
;
1753 WORD Ra
= pwChar
[s
->start
];
1754 WORD H
= pwChar
[s
->start
+1];
1755 for (loc
= s
->end
; loc
> stop
; loc
--)
1756 if (lexical(pwChar
[loc
]) == lex_Matra_post
|| lexical(pwChar
[loc
]) == lex_Matra_below
)
1759 TRACE("Doing reorder of Ra to %i\n",loc
);
1760 for (j
= s
->start
; j
< loc
-1; j
++)
1761 pwChar
[j
] = pwChar
[j
+2];
1767 if (s
->blwf
>= 0) s
->blwf
-= 2;
1768 if (s
->pref
>= 0) s
->pref
-= 2;
1772 static void Reorder_Ra_follows_syllable(WCHAR
*pwChar
, IndicSyllable
*s
, lexical_function lexical
)
1777 WORD Ra
= pwChar
[s
->start
];
1778 WORD H
= pwChar
[s
->start
+1];
1780 TRACE("Doing reorder of Ra to %i\n",s
->end
-1);
1781 for (j
= s
->start
; j
< s
->end
-1; j
++)
1782 pwChar
[j
] = pwChar
[j
+2];
1783 pwChar
[s
->end
-1] = Ra
;
1788 if (s
->blwf
>= 0) s
->blwf
-= 2;
1789 if (s
->pref
>= 0) s
->pref
-= 2;
1793 static void Reorder_Matra_precede_base(WCHAR
*pwChar
, IndicSyllable
*s
, lexical_function lexical
)
1797 /* reorder Matras */
1798 if (s
->end
> s
->base
)
1800 for (i
= 1; i
<= s
->end
-s
->base
; i
++)
1802 if (lexical(pwChar
[s
->base
+i
]) == lex_Matra_pre
)
1805 WCHAR c
= pwChar
[s
->base
+i
];
1806 TRACE("Doing reorder of %x %x\n",c
,pwChar
[s
->base
]);
1807 for (j
= s
->base
+i
; j
> s
->base
; j
--)
1808 pwChar
[j
] = pwChar
[j
-1];
1809 pwChar
[s
->base
] = c
;
1811 if (s
->ralf
>= s
->base
) s
->ralf
++;
1812 if (s
->blwf
>= s
->base
) s
->blwf
++;
1813 if (s
->pref
>= s
->base
) s
->pref
++;
1820 static void Reorder_Matra_precede_syllable(WCHAR
*pwChar
, IndicSyllable
*s
, lexical_function lexical
)
1824 /* reorder Matras */
1825 if (s
->end
> s
->base
)
1827 for (i
= 1; i
<= s
->end
-s
->base
; i
++)
1829 if (lexical(pwChar
[s
->base
+i
]) == lex_Matra_pre
)
1832 WCHAR c
= pwChar
[s
->base
+i
];
1833 TRACE("Doing reorder of %x to %i\n",c
,s
->start
);
1834 for (j
= s
->base
+i
; j
> s
->start
; j
--)
1835 pwChar
[j
] = pwChar
[j
-1];
1836 pwChar
[s
->start
] = c
;
1838 if (s
->ralf
>= 0) s
->ralf
++;
1839 if (s
->blwf
>= 0) s
->blwf
++;
1840 if (s
->pref
>= 0) s
->pref
++;
1847 static void SecondReorder_Blwf_follows_matra(const WCHAR
*chars
, const IndicSyllable
*s
,
1848 WORD
*glyphs
, const IndicSyllable
*g
, lexical_function lexical
)
1850 if (s
->blwf
>= 0 && g
->blwf
> g
->base
)
1854 for (loc
= s
->end
; loc
> s
->blwf
; loc
--)
1855 if (lexical(chars
[loc
]) == lex_Matra_below
|| lexical(chars
[loc
]) == lex_Matra_above
1856 || lexical(chars
[loc
]) == lex_Matra_post
)
1859 g_offset
= (loc
- s
->blwf
) - 1;
1863 WORD blwf
= glyphs
[g
->blwf
];
1864 TRACE("Doing reorder of Below-base to %i (glyph offset %i)\n",loc
,g_offset
);
1865 /* do not care about the pwChar array anymore, just the glyphs */
1866 for (j
= 0; j
< g_offset
; j
++)
1867 glyphs
[g
->blwf
+ j
] = glyphs
[g
->blwf
+ j
+ 1];
1868 glyphs
[g
->blwf
+ g_offset
] = blwf
;
1873 static void SecondReorder_Matra_precede_base(const WCHAR
*chars
, const IndicSyllable
*s
,
1874 WORD
*glyphs
, const IndicSyllable
*g
, lexical_function lexical
)
1878 /* reorder previously moved Matras to correct position*/
1879 for (i
= s
->start
; i
< s
->base
; i
++)
1881 if (lexical(chars
[i
]) == lex_Matra_pre
)
1884 int g_start
= g
->start
+ i
- s
->start
;
1885 if (g_start
< g
->base
-1 )
1887 WCHAR og
= glyphs
[g_start
];
1888 TRACE("Doing reorder of matra from %i to %i\n",g_start
,g
->base
);
1889 for (j
= g_start
; j
< g
->base
-1; j
++)
1890 glyphs
[j
] = glyphs
[j
+1];
1891 glyphs
[g
->base
-1] = og
;
1897 static void SecondReorder_Pref_precede_base(const IndicSyllable
*s
,
1898 WORD
*glyphs
, const IndicSyllable
*g
, lexical_function lexical
)
1900 if (s
->pref
>= 0 && g
->pref
> g
->base
)
1903 WCHAR og
= glyphs
[g
->pref
];
1904 TRACE("Doing reorder of pref from %i to %i\n",g
->pref
,g
->base
);
1905 for (j
= g
->pref
; j
> g
->base
; j
--)
1906 glyphs
[j
] = glyphs
[j
-1];
1907 glyphs
[g
->base
] = og
;
1911 static void Reorder_Like_Sinhala(WCHAR
*pwChar
, IndicSyllable
*s
, lexical_function lexical
)
1913 TRACE("Syllable (%i..%i..%i)\n",s
->start
,s
->base
,s
->end
);
1914 if (s
->start
== s
->base
&& s
->base
== s
->end
) return;
1915 if (lexical(pwChar
[s
->base
]) == lex_Vowel
) return;
1917 Reorder_Ra_follows_base(pwChar
, s
, lexical
);
1918 Reorder_Matra_precede_base(pwChar
, s
, lexical
);
1921 static void Reorder_Like_Devanagari(WCHAR
*pwChar
, IndicSyllable
*s
, lexical_function lexical
)
1923 TRACE("Syllable (%i..%i..%i)\n",s
->start
,s
->base
,s
->end
);
1924 if (s
->start
== s
->base
&& s
->base
== s
->end
) return;
1925 if (lexical(pwChar
[s
->base
]) == lex_Vowel
) return;
1927 Reorder_Ra_follows_matra(pwChar
, s
, lexical
);
1928 Reorder_Matra_precede_syllable(pwChar
, s
, lexical
);
1931 static void Reorder_Like_Bengali(WCHAR
*pwChar
, IndicSyllable
*s
, lexical_function lexical
)
1933 TRACE("Syllable (%i..%i..%i)\n",s
->start
,s
->base
,s
->end
);
1934 if (s
->start
== s
->base
&& s
->base
== s
->end
) return;
1935 if (lexical(pwChar
[s
->base
]) == lex_Vowel
) return;
1937 Reorder_Ra_follows_base(pwChar
, s
, lexical
);
1938 Reorder_Matra_precede_syllable(pwChar
, s
, lexical
);
1941 static void Reorder_Like_Kannada(WCHAR
*pwChar
, IndicSyllable
*s
, lexical_function lexical
)
1943 TRACE("Syllable (%i..%i..%i)\n",s
->start
,s
->base
,s
->end
);
1944 if (s
->start
== s
->base
&& s
->base
== s
->end
) return;
1945 if (lexical(pwChar
[s
->base
]) == lex_Vowel
) return;
1947 Reorder_Ra_follows_syllable(pwChar
, s
, lexical
);
1948 Reorder_Matra_precede_syllable(pwChar
, s
, lexical
);
1951 static void SecondReorder_Like_Telugu(const WCHAR
*chars
, const IndicSyllable
*s
,
1952 WORD
*glyphs
, const IndicSyllable
*g
, lexical_function lexical
)
1954 TRACE("Syllable (%i..%i..%i)\n",s
->start
,s
->base
,s
->end
);
1955 TRACE("Glyphs (%i..%i..%i)\n",g
->start
,g
->base
,g
->end
);
1956 if (s
->start
== s
->base
&& s
->base
== s
->end
) return;
1957 if (lexical(chars
[s
->base
]) == lex_Vowel
) return;
1959 SecondReorder_Blwf_follows_matra(chars
, s
, glyphs
, g
, lexical
);
1962 static void SecondReorder_Like_Tamil(const WCHAR
*chars
, const IndicSyllable
*s
,
1963 WORD
*glyphs
, const IndicSyllable
*g
, lexical_function lexical
)
1965 TRACE("Syllable (%i..%i..%i)\n",s
->start
,s
->base
,s
->end
);
1966 TRACE("Glyphs (%i..%i..%i)\n",g
->start
,g
->base
,g
->end
);
1967 if (s
->start
== s
->base
&& s
->base
== s
->end
) return;
1968 if (lexical(chars
[s
->base
]) == lex_Vowel
) return;
1970 SecondReorder_Matra_precede_base(chars
, s
, glyphs
, g
, lexical
);
1971 SecondReorder_Pref_precede_base(s
, glyphs
, g
, lexical
);
1975 static inline void shift_syllable_glyph_indexs(IndicSyllable
*glyph_index
, INT index
, INT shift
)
1980 if (glyph_index
->start
> index
)
1981 glyph_index
->start
+= shift
;
1982 if (glyph_index
->base
> index
)
1983 glyph_index
->base
+= shift
;
1984 if (glyph_index
->end
> index
)
1985 glyph_index
->end
+= shift
;
1986 if (glyph_index
->ralf
> index
)
1987 glyph_index
->ralf
+= shift
;
1988 if (glyph_index
->blwf
> index
)
1989 glyph_index
->blwf
+= shift
;
1990 if (glyph_index
->pref
> index
)
1991 glyph_index
->pref
+= shift
;
1994 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
, LoadedFeature
*feature
)
1996 int index
= glyph_index
->start
;
2001 while(index
<= glyph_index
->end
)
2004 INT prevCount
= *pcGlyphs
;
2005 nextIndex
= GSUB_apply_feature_all_lookups(psc
->GSUB_Table
, feature
, pwOutGlyphs
, index
, 1, pcGlyphs
);
2006 if (nextIndex
> GSUB_E_NOGLYPH
)
2008 UpdateClusters(nextIndex
, *pcGlyphs
- prevCount
, 1, cChars
, pwLogClust
);
2009 shift_syllable_glyph_indexs(glyph_index
,index
,*pcGlyphs
- prevCount
);
2017 static inline INT
find_consonant_halant(WCHAR
* pwChars
, INT index
, INT end
, lexical_function lexical
)
2020 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
)))))
2022 if (index
+ i
<= end
-1)
2028 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
)
2030 INT index
, nextIndex
;
2033 count
= syllable
->base
- syllable
->start
;
2036 index
= find_consonant_halant(&pwChars
[syllable
->start
], 0, count
, lexical
);
2037 while (index
>= 0 && index
+ g_offset
< (glyph_index
->base
- glyph_index
->start
))
2039 INT prevCount
= *pcGlyphs
;
2040 nextIndex
= apply_GSUB_feature_to_glyph(hdc
, psa
, psc
, pwOutGlyphs
, index
+glyph_index
->start
+g_offset
, 1, pcGlyphs
, feature
);
2041 if (nextIndex
> GSUB_E_NOGLYPH
)
2043 UpdateClusters(nextIndex
, *pcGlyphs
- prevCount
, 1, cChars
, pwLogClust
);
2044 shift_syllable_glyph_indexs(glyph_index
, index
+ glyph_index
->start
+ g_offset
, (*pcGlyphs
- prevCount
));
2045 g_offset
+= (*pcGlyphs
- prevCount
);
2049 index
= find_consonant_halant(&pwChars
[syllable
->start
], index
, count
, lexical
);
2053 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
)
2056 INT prevCount
= *pcGlyphs
;
2058 if (syllable
->ralf
>= 0)
2060 nextIndex
= apply_GSUB_feature_to_glyph(hdc
, psa
, psc
, pwOutGlyphs
, glyph_index
->ralf
, 1, pcGlyphs
, "rphf");
2061 if (nextIndex
> GSUB_E_NOGLYPH
)
2063 UpdateClusters(nextIndex
, *pcGlyphs
- prevCount
, 1, cChars
, pwLogClust
);
2064 shift_syllable_glyph_indexs(glyph_index
,glyph_index
->ralf
,*pcGlyphs
- prevCount
);
2069 static inline INT
find_halant_consonant(WCHAR
* pwChars
, INT index
, INT end
, lexical_function lexical
)
2072 while (index
+ i
< end
-1 && !(lexical(pwChars
[index
+i
]) == lex_Halant
&&
2073 ((index
+ i
< end
-2 && lexical(pwChars
[index
+i
]) == lex_Nukta
&& is_consonant(lexical(pwChars
[index
+i
+1]))) ||
2074 is_consonant(lexical(pwChars
[index
+i
+1])))))
2076 if (index
+ i
<= end
-1)
2082 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
)
2084 INT index
, nextIndex
;
2085 INT count
, g_offset
=0;
2086 INT ralf
= syllable
->ralf
;
2088 count
= syllable
->end
- syllable
->base
;
2090 index
= find_halant_consonant(&pwChars
[syllable
->base
], 0, count
, lexical
);
2094 INT prevCount
= *pcGlyphs
;
2095 if (ralf
>=0 && ralf
< index
)
2103 WORD g
= pwOutGlyphs
[index
+glyph_index
->base
+g_offset
];
2104 pwOutGlyphs
[index
+glyph_index
->base
+g_offset
] = pwOutGlyphs
[index
+glyph_index
->base
+g_offset
+1];
2105 pwOutGlyphs
[index
+glyph_index
->base
+g_offset
+1] = g
;
2108 nextIndex
= apply_GSUB_feature_to_glyph(hdc
, psa
, psc
, pwOutGlyphs
, index
+glyph_index
->base
+g_offset
, 1, pcGlyphs
, feat
);
2109 if (nextIndex
> GSUB_E_NOGLYPH
)
2111 UpdateClusters(nextIndex
, *pcGlyphs
- prevCount
, 1, cChars
, pwLogClust
);
2112 shift_syllable_glyph_indexs(glyph_index
,index
+glyph_index
->start
+g_offset
, (*pcGlyphs
- prevCount
));
2113 g_offset
+= (*pcGlyphs
- prevCount
);
2117 WORD g
= pwOutGlyphs
[index
+glyph_index
->base
+g_offset
];
2118 pwOutGlyphs
[index
+glyph_index
->base
+g_offset
] = pwOutGlyphs
[index
+glyph_index
->base
+g_offset
+1];
2119 pwOutGlyphs
[index
+glyph_index
->base
+g_offset
+1] = g
;
2123 index
= find_halant_consonant(&pwChars
[syllable
->base
], index
, count
, lexical
);
2127 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
)
2130 int overall_shift
= 0;
2131 LoadedFeature
*locl
= (modern
)?load_OT_feature(hdc
, psa
, psc
, FEATURE_GSUB_TABLE
, "locl"):NULL
;
2132 LoadedFeature
*nukt
= load_OT_feature(hdc
, psa
, psc
, FEATURE_GSUB_TABLE
, "nukt");
2133 LoadedFeature
*akhn
= load_OT_feature(hdc
, psa
, psc
, FEATURE_GSUB_TABLE
, "akhn");
2134 LoadedFeature
*rkrf
= (modern
)?load_OT_feature(hdc
, psa
, psc
, FEATURE_GSUB_TABLE
, "rkrf"):NULL
;
2135 LoadedFeature
*pstf
= load_OT_feature(hdc
, psa
, psc
, FEATURE_GSUB_TABLE
, "pstf");
2136 LoadedFeature
*vatu
= (!rkrf
)?load_OT_feature(hdc
, psa
, psc
, FEATURE_GSUB_TABLE
, "vatu"):NULL
;
2137 LoadedFeature
*cjct
= (modern
)?load_OT_feature(hdc
, psa
, psc
, FEATURE_GSUB_TABLE
, "cjct"):NULL
;
2138 BOOL rphf
= (load_OT_feature(hdc
, psa
, psc
, FEATURE_GSUB_TABLE
, "rphf") != NULL
);
2139 BOOL pref
= (load_OT_feature(hdc
, psa
, psc
, FEATURE_GSUB_TABLE
, "pref") != NULL
);
2140 BOOL blwf
= (load_OT_feature(hdc
, psa
, psc
, FEATURE_GSUB_TABLE
, "blwf") != NULL
);
2141 BOOL half
= (load_OT_feature(hdc
, psa
, psc
, FEATURE_GSUB_TABLE
, "half") != NULL
);
2142 IndicSyllable glyph_indexs
;
2144 for (c
= 0; c
< syllable_count
; c
++)
2147 memcpy(&glyph_indexs
, &syllables
[c
], sizeof(IndicSyllable
));
2148 shift_syllable_glyph_indexs(&glyph_indexs
, -1, overall_shift
);
2149 old_end
= glyph_indexs
.end
;
2153 TRACE("applying feature locl\n");
2154 Apply_Indic_BasicForm(hdc
, psc
, psa
, pwChars
, cChars
, &syllables
[c
], pwOutGlyphs
, pcGlyphs
, pwLogClust
, lexical
, &glyph_indexs
, locl
);
2158 TRACE("applying feature nukt\n");
2159 Apply_Indic_BasicForm(hdc
, psc
, psa
, pwChars
, cChars
, &syllables
[c
], pwOutGlyphs
, pcGlyphs
, pwLogClust
, lexical
, &glyph_indexs
, nukt
);
2163 TRACE("applying feature akhn\n");
2164 Apply_Indic_BasicForm(hdc
, psc
, psa
, pwChars
, cChars
, &syllables
[c
], pwOutGlyphs
, pcGlyphs
, pwLogClust
, lexical
, &glyph_indexs
, akhn
);
2168 Apply_Indic_Rphf(hdc
, psc
, psa
, pwChars
, cChars
, &syllables
[c
], pwOutGlyphs
, pcGlyphs
, pwLogClust
, lexical
, &glyph_indexs
);
2171 TRACE("applying feature rkrf\n");
2172 Apply_Indic_BasicForm(hdc
, psc
, psa
, pwChars
, cChars
, &syllables
[c
], pwOutGlyphs
, pcGlyphs
, pwLogClust
, lexical
, &glyph_indexs
, rkrf
);
2175 Apply_Indic_PostBase(hdc
, psc
, psa
, pwChars
, cChars
, &syllables
[c
], pwOutGlyphs
, pcGlyphs
, pwLogClust
, lexical
, &glyph_indexs
, modern
, "pref");
2179 Apply_Indic_PreBase(hdc
, psc
, psa
, pwChars
, cChars
, &syllables
[c
], pwOutGlyphs
, pcGlyphs
, pwLogClust
, lexical
, &glyph_indexs
, "blwf");
2181 Apply_Indic_PostBase(hdc
, psc
, psa
, pwChars
, cChars
, &syllables
[c
], pwOutGlyphs
, pcGlyphs
, pwLogClust
, lexical
, &glyph_indexs
, modern
, "blwf");
2185 Apply_Indic_PreBase(hdc
, psc
, psa
, pwChars
, cChars
, &syllables
[c
], pwOutGlyphs
, pcGlyphs
, pwLogClust
, lexical
, &glyph_indexs
, "half");
2188 TRACE("applying feature pstf\n");
2189 Apply_Indic_BasicForm(hdc
, psc
, psa
, pwChars
, cChars
, &syllables
[c
], pwOutGlyphs
, pcGlyphs
, pwLogClust
, lexical
, &glyph_indexs
, pstf
);
2193 TRACE("applying feature vatu\n");
2194 Apply_Indic_BasicForm(hdc
, psc
, psa
, pwChars
, cChars
, &syllables
[c
], pwOutGlyphs
, pcGlyphs
, pwLogClust
, lexical
, &glyph_indexs
, vatu
);
2198 TRACE("applying feature cjct\n");
2199 Apply_Indic_BasicForm(hdc
, psc
, psa
, pwChars
, cChars
, &syllables
[c
], pwOutGlyphs
, pcGlyphs
, pwLogClust
, lexical
, &glyph_indexs
, cjct
);
2203 second_reorder(pwChars
, &syllables
[c
], pwOutGlyphs
, &glyph_indexs
, lexical
);
2205 overall_shift
+= glyph_indexs
.end
- old_end
;
2209 static inline int unicode_lex(WCHAR c
)
2213 if (!c
) return lex_Generic
;
2214 if (c
== 0x200D) return lex_ZWJ
;
2215 if (c
== 0x200C) return lex_ZWNJ
;
2216 if (c
== 0x00A0) return lex_NBSP
;
2218 type
= get_table_entry( indic_syllabic_table
, c
);
2220 if ((type
& 0x00ff) != 0x0007) type
= type
& 0x00ff;
2224 case 0x0d07: /* Unknown */
2225 case 0x0e07: /* Unknown */
2226 default: return lex_Generic
;
2232 case 0x0014: return lex_Modifier
;
2240 case 0x0010: return lex_Consonant
;
2241 case 0x0004: return lex_Nukta
;
2242 case 0x0005: return lex_Halant
;
2244 case 0x0008: return lex_Vowel
;
2246 case 0x0107: return lex_Matra_post
;
2248 case 0x0307: return lex_Matra_pre
;
2254 case 0x0407: return lex_Composed_Vowel
;
2255 case 0x0507: return lex_Matra_above
;
2256 case 0x0607: return lex_Matra_below
;
2258 case 0x0015: return lex_Ra
;
2262 static int sinhala_lex(WCHAR c
)
2269 case 0x0DDE: return lex_Matra_post
;
2271 return unicode_lex(c
);
2275 static const VowelComponents Sinhala_vowels
[] = {
2276 {0x0DDA, {0x0DD9,0x0DDA,0x0}},
2277 {0x0DDC, {0x0DD9,0x0DDC,0x0}},
2278 {0x0DDD, {0x0DD9,0x0DDD,0x0}},
2279 {0x0DDE, {0x0DD9,0x0DDE,0x0}},
2280 {0x0000, {0x0000,0x0000,0x0}}};
2282 static void ContextualShape_Sinhala(HDC hdc
, ScriptCache
*psc
, SCRIPT_ANALYSIS
*psa
, WCHAR
* pwcChars
, INT cChars
, WORD
* pwOutGlyphs
, INT
* pcGlyphs
, INT cMaxGlyphs
, WORD
*pwLogClust
)
2284 int cCount
= cChars
;
2287 IndicSyllable
*syllables
= NULL
;
2288 int syllable_count
= 0;
2290 if (*pcGlyphs
!= cChars
)
2292 ERR("Number of Glyphs and Chars need to match at the beginning\n");
2296 input
= heap_alloc(3 * cChars
* sizeof(*input
));
2298 memcpy(input
, pwcChars
, cChars
* sizeof(WCHAR
));
2300 /* Step 1: Decompose multi part vowels */
2301 DecomposeVowels(hdc
, input
, &cCount
, Sinhala_vowels
, pwLogClust
, cChars
);
2303 TRACE("New double vowel expanded string %s (%i)\n",debugstr_wn(input
,cCount
),cCount
);
2305 /* Step 2: Reorder within Syllables */
2306 Indic_ReorderCharacters( hdc
, psa
, psc
, input
, cCount
, &syllables
, &syllable_count
, sinhala_lex
, Reorder_Like_Sinhala
, TRUE
);
2307 TRACE("reordered string %s\n",debugstr_wn(input
,cCount
));
2309 /* Step 3: Strip dangling joiners */
2310 for (i
= 0; i
< cCount
; i
++)
2312 if ((input
[i
] == 0x200D || input
[i
] == 0x200C) &&
2313 (i
== 0 || input
[i
-1] == 0x0020 || i
== cCount
-1 || input
[i
+1] == 0x0020))
2317 /* Step 4: Base Form application to syllables */
2318 GetGlyphIndicesW(hdc
, input
, cCount
, pwOutGlyphs
, 0);
2320 ShapeIndicSyllables(hdc
, psc
, psa
, input
, cChars
, syllables
, syllable_count
, pwOutGlyphs
, pcGlyphs
, pwLogClust
, sinhala_lex
, NULL
, TRUE
);
2323 heap_free(syllables
);
2326 static int devanagari_lex(WCHAR c
)
2330 case 0x0930: return lex_Ra
;
2332 return unicode_lex(c
);
2336 static const ConsonantComponents Devanagari_consonants
[] ={
2337 {{0x0928, 0x093C, 0x00000}, 0x0929},
2338 {{0x0930, 0x093C, 0x00000}, 0x0931},
2339 {{0x0933, 0x093C, 0x00000}, 0x0934},
2340 {{0x0915, 0x093C, 0x00000}, 0x0958},
2341 {{0x0916, 0x093C, 0x00000}, 0x0959},
2342 {{0x0917, 0x093C, 0x00000}, 0x095A},
2343 {{0x091C, 0x093C, 0x00000}, 0x095B},
2344 {{0x0921, 0x093C, 0x00000}, 0x095C},
2345 {{0x0922, 0x093C, 0x00000}, 0x095D},
2346 {{0x092B, 0x093C, 0x00000}, 0x095E},
2347 {{0x092F, 0x093C, 0x00000}, 0x095F}};
2349 static void ContextualShape_Devanagari(HDC hdc
, ScriptCache
*psc
, SCRIPT_ANALYSIS
*psa
, WCHAR
* pwcChars
, INT cChars
, WORD
* pwOutGlyphs
, INT
* pcGlyphs
, INT cMaxGlyphs
, WORD
*pwLogClust
)
2351 int cCount
= cChars
;
2353 IndicSyllable
*syllables
= NULL
;
2354 int syllable_count
= 0;
2355 BOOL modern
= get_GSUB_Indic2(psa
, psc
);
2357 if (*pcGlyphs
!= cChars
)
2359 ERR("Number of Glyphs and Chars need to match at the beginning\n");
2363 input
= heap_alloc(cChars
* sizeof(*input
));
2364 memcpy(input
, pwcChars
, cChars
* sizeof(WCHAR
));
2366 /* Step 1: Compose Consonant and Nukta */
2367 ComposeConsonants(hdc
, input
, &cCount
, Devanagari_consonants
, pwLogClust
);
2368 TRACE("New composed string %s (%i)\n",debugstr_wn(input
,cCount
),cCount
);
2370 /* Step 2: Reorder within Syllables */
2371 Indic_ReorderCharacters( hdc
, psa
, psc
, input
, cCount
, &syllables
, &syllable_count
, devanagari_lex
, Reorder_Like_Devanagari
, modern
);
2372 TRACE("reordered string %s\n",debugstr_wn(input
,cCount
));
2373 GetGlyphIndicesW(hdc
, input
, cCount
, pwOutGlyphs
, 0);
2376 /* Step 3: Base Form application to syllables */
2377 ShapeIndicSyllables(hdc
, psc
, psa
, input
, cChars
, syllables
, syllable_count
, pwOutGlyphs
, pcGlyphs
, pwLogClust
, devanagari_lex
, NULL
, modern
);
2380 heap_free(syllables
);
2383 static int bengali_lex(WCHAR c
)
2387 case 0x09B0: return lex_Ra
;
2389 return unicode_lex(c
);
2393 static const VowelComponents Bengali_vowels
[] = {
2394 {0x09CB, {0x09C7,0x09BE,0x0000}},
2395 {0x09CC, {0x09C7,0x09D7,0x0000}},
2396 {0x0000, {0x0000,0x0000,0x0000}}};
2398 static const ConsonantComponents Bengali_consonants
[] = {
2399 {{0x09A4,0x09CD,0x200D}, 0x09CE},
2400 {{0x09A1,0x09BC,0x0000}, 0x09DC},
2401 {{0x09A2,0x09BC,0x0000}, 0x09DD},
2402 {{0x09AF,0x09BC,0x0000}, 0x09DF},
2403 {{0x0000,0x0000,0x0000}, 0x0000}};
2405 static void ContextualShape_Bengali(HDC hdc
, ScriptCache
*psc
, SCRIPT_ANALYSIS
*psa
, WCHAR
* pwcChars
, INT cChars
, WORD
* pwOutGlyphs
, INT
* pcGlyphs
, INT cMaxGlyphs
, WORD
*pwLogClust
)
2407 int cCount
= cChars
;
2409 IndicSyllable
*syllables
= NULL
;
2410 int syllable_count
= 0;
2411 BOOL modern
= get_GSUB_Indic2(psa
, psc
);
2413 if (*pcGlyphs
!= cChars
)
2415 ERR("Number of Glyphs and Chars need to match at the beginning\n");
2419 input
= heap_alloc(2 * cChars
* sizeof(*input
));
2420 memcpy(input
, pwcChars
, cChars
* sizeof(WCHAR
));
2422 /* Step 1: Decompose Vowels and Compose Consonants */
2423 DecomposeVowels(hdc
, input
, &cCount
, Bengali_vowels
, pwLogClust
, cChars
);
2424 ComposeConsonants(hdc
, input
, &cCount
, Bengali_consonants
, pwLogClust
);
2425 TRACE("New composed string %s (%i)\n",debugstr_wn(input
,cCount
),cCount
);
2427 /* Step 2: Reorder within Syllables */
2428 Indic_ReorderCharacters( hdc
, psa
, psc
, input
, cCount
, &syllables
, &syllable_count
, bengali_lex
, Reorder_Like_Bengali
, modern
);
2429 TRACE("reordered string %s\n",debugstr_wn(input
,cCount
));
2430 GetGlyphIndicesW(hdc
, input
, cCount
, pwOutGlyphs
, 0);
2433 /* Step 3: Initial form is only applied to the beginning of words */
2434 for (cCount
= cCount
- 1 ; cCount
>= 0; cCount
--)
2436 if (cCount
== 0 || input
[cCount
] == 0x0020) /* space */
2440 if (index
> 0) index
++;
2442 apply_GSUB_feature_to_glyph(hdc
, psa
, psc
, &pwOutGlyphs
[index
], 0, 1, &gCount
, "init");
2446 /* Step 4: Base Form application to syllables */
2447 ShapeIndicSyllables(hdc
, psc
, psa
, input
, cChars
, syllables
, syllable_count
, pwOutGlyphs
, pcGlyphs
, pwLogClust
, bengali_lex
, NULL
, modern
);
2450 heap_free(syllables
);
2453 static int gurmukhi_lex(WCHAR c
)
2456 return lex_Modifier
;
2458 return unicode_lex(c
);
2461 static const ConsonantComponents Gurmukhi_consonants
[] = {
2462 {{0x0A32,0x0A3C,0x0000}, 0x0A33},
2463 {{0x0A16,0x0A3C,0x0000}, 0x0A59},
2464 {{0x0A17,0x0A3C,0x0000}, 0x0A5A},
2465 {{0x0A1C,0x0A3C,0x0000}, 0x0A5B},
2466 {{0x0A2B,0x0A3C,0x0000}, 0x0A5E},
2467 {{0x0000,0x0000,0x0000}, 0x0000}};
2469 static void ContextualShape_Gurmukhi(HDC hdc
, ScriptCache
*psc
, SCRIPT_ANALYSIS
*psa
, WCHAR
* pwcChars
, INT cChars
, WORD
* pwOutGlyphs
, INT
* pcGlyphs
, INT cMaxGlyphs
, WORD
*pwLogClust
)
2471 int cCount
= cChars
;
2473 IndicSyllable
*syllables
= NULL
;
2474 int syllable_count
= 0;
2475 BOOL modern
= get_GSUB_Indic2(psa
, psc
);
2477 if (*pcGlyphs
!= cChars
)
2479 ERR("Number of Glyphs and Chars need to match at the beginning\n");
2483 input
= heap_alloc(cChars
* sizeof(*input
));
2484 memcpy(input
, pwcChars
, cChars
* sizeof(WCHAR
));
2486 /* Step 1: Compose Consonants */
2487 ComposeConsonants(hdc
, input
, &cCount
, Gurmukhi_consonants
, pwLogClust
);
2488 TRACE("New composed string %s (%i)\n",debugstr_wn(input
,cCount
),cCount
);
2490 /* Step 2: Reorder within Syllables */
2491 Indic_ReorderCharacters( hdc
, psa
, psc
, input
, cCount
, &syllables
, &syllable_count
, gurmukhi_lex
, Reorder_Like_Bengali
, modern
);
2492 TRACE("reordered string %s\n",debugstr_wn(input
,cCount
));
2493 GetGlyphIndicesW(hdc
, input
, cCount
, pwOutGlyphs
, 0);
2496 /* Step 3: Base Form application to syllables */
2497 ShapeIndicSyllables(hdc
, psc
, psa
, input
, cChars
, syllables
, syllable_count
, pwOutGlyphs
, pcGlyphs
, pwLogClust
, gurmukhi_lex
, NULL
, modern
);
2500 heap_free(syllables
);
2503 static int gujarati_lex(WCHAR c
)
2507 case 0x0AB0: return lex_Ra
;
2509 return unicode_lex(c
);
2513 static void ContextualShape_Gujarati(HDC hdc
, ScriptCache
*psc
, SCRIPT_ANALYSIS
*psa
, WCHAR
* pwcChars
, INT cChars
, WORD
* pwOutGlyphs
, INT
* pcGlyphs
, INT cMaxGlyphs
, WORD
*pwLogClust
)
2515 int cCount
= cChars
;
2517 IndicSyllable
*syllables
= NULL
;
2518 int syllable_count
= 0;
2519 BOOL modern
= get_GSUB_Indic2(psa
, psc
);
2521 if (*pcGlyphs
!= cChars
)
2523 ERR("Number of Glyphs and Chars need to match at the beginning\n");
2527 input
= heap_alloc(cChars
* sizeof(*input
));
2528 memcpy(input
, pwcChars
, cChars
* sizeof(WCHAR
));
2530 /* Step 1: Reorder within Syllables */
2531 Indic_ReorderCharacters( hdc
, psa
, psc
, input
, cCount
, &syllables
, &syllable_count
, gujarati_lex
, Reorder_Like_Devanagari
, modern
);
2532 TRACE("reordered string %s\n",debugstr_wn(input
,cCount
));
2533 GetGlyphIndicesW(hdc
, input
, cCount
, pwOutGlyphs
, 0);
2536 /* Step 2: Base Form application to syllables */
2537 ShapeIndicSyllables(hdc
, psc
, psa
, input
, cChars
, syllables
, syllable_count
, pwOutGlyphs
, pcGlyphs
, pwLogClust
, gujarati_lex
, NULL
, modern
);
2540 heap_free(syllables
);
2543 static int oriya_lex(WCHAR c
)
2547 case 0x0B30: return lex_Ra
;
2549 return unicode_lex(c
);
2553 static const VowelComponents Oriya_vowels
[] = {
2554 {0x0B48, {0x0B47,0x0B56,0x0000}},
2555 {0x0B4B, {0x0B47,0x0B3E,0x0000}},
2556 {0x0B4C, {0x0B47,0x0B57,0x0000}},
2557 {0x0000, {0x0000,0x0000,0x0000}}};
2559 static const ConsonantComponents Oriya_consonants
[] = {
2560 {{0x0B21,0x0B3C,0x0000}, 0x0B5C},
2561 {{0x0B22,0x0B3C,0x0000}, 0x0B5D},
2562 {{0x0000,0x0000,0x0000}, 0x0000}};
2564 static void ContextualShape_Oriya(HDC hdc
, ScriptCache
*psc
, SCRIPT_ANALYSIS
*psa
, WCHAR
* pwcChars
, INT cChars
, WORD
* pwOutGlyphs
, INT
* pcGlyphs
, INT cMaxGlyphs
, WORD
*pwLogClust
)
2566 int cCount
= cChars
;
2568 IndicSyllable
*syllables
= NULL
;
2569 int syllable_count
= 0;
2570 BOOL modern
= get_GSUB_Indic2(psa
, psc
);
2572 if (*pcGlyphs
!= cChars
)
2574 ERR("Number of Glyphs and Chars need to match at the beginning\n");
2578 input
= heap_alloc(2 * cChars
* sizeof(*input
));
2579 memcpy(input
, pwcChars
, cChars
* sizeof(WCHAR
));
2581 /* Step 1: Decompose Vowels and Compose Consonants */
2582 DecomposeVowels(hdc
, input
, &cCount
, Oriya_vowels
, pwLogClust
, cChars
);
2583 ComposeConsonants(hdc
, input
, &cCount
, Oriya_consonants
, pwLogClust
);
2584 TRACE("New composed string %s (%i)\n",debugstr_wn(input
,cCount
),cCount
);
2586 /* Step 2: Reorder within Syllables */
2587 Indic_ReorderCharacters( hdc
, psa
, psc
, input
, cCount
, &syllables
, &syllable_count
, oriya_lex
, Reorder_Like_Bengali
, modern
);
2588 TRACE("reordered string %s\n",debugstr_wn(input
,cCount
));
2589 GetGlyphIndicesW(hdc
, input
, cCount
, pwOutGlyphs
, 0);
2592 /* Step 3: Base Form application to syllables */
2593 ShapeIndicSyllables(hdc
, psc
, psa
, input
, cChars
, syllables
, syllable_count
, pwOutGlyphs
, pcGlyphs
, pwLogClust
, oriya_lex
, NULL
, modern
);
2596 heap_free(syllables
);
2599 static int tamil_lex(WCHAR c
)
2601 return unicode_lex(c
);
2604 static const VowelComponents Tamil_vowels
[] = {
2605 {0x0BCA, {0x0BC6,0x0BBE,0x0000}},
2606 {0x0BCB, {0x0BC7,0x0BBE,0x0000}},
2607 {0x0BCB, {0x0BC6,0x0BD7,0x0000}},
2608 {0x0000, {0x0000,0x0000,0x0000}}};
2610 static const ConsonantComponents Tamil_consonants
[] = {
2611 {{0x0B92,0x0BD7,0x0000}, 0x0B94},
2612 {{0x0000,0x0000,0x0000}, 0x0000}};
2614 static void ContextualShape_Tamil(HDC hdc
, ScriptCache
*psc
, SCRIPT_ANALYSIS
*psa
, WCHAR
* pwcChars
, INT cChars
, WORD
* pwOutGlyphs
, INT
* pcGlyphs
, INT cMaxGlyphs
, WORD
*pwLogClust
)
2616 int cCount
= cChars
;
2618 IndicSyllable
*syllables
= NULL
;
2619 int syllable_count
= 0;
2620 BOOL modern
= get_GSUB_Indic2(psa
, psc
);
2622 if (*pcGlyphs
!= cChars
)
2624 ERR("Number of Glyphs and Chars need to match at the beginning\n");
2628 input
= heap_alloc(2 * cChars
* sizeof(*input
));
2629 memcpy(input
, pwcChars
, cChars
* sizeof(WCHAR
));
2631 /* Step 1: Decompose Vowels and Compose Consonants */
2632 DecomposeVowels(hdc
, input
, &cCount
, Tamil_vowels
, pwLogClust
, cChars
);
2633 ComposeConsonants(hdc
, input
, &cCount
, Tamil_consonants
, pwLogClust
);
2634 TRACE("New composed string %s (%i)\n",debugstr_wn(input
,cCount
),cCount
);
2636 /* Step 2: Reorder within Syllables */
2637 Indic_ReorderCharacters( hdc
, psa
, psc
, input
, cCount
, &syllables
, &syllable_count
, tamil_lex
, Reorder_Like_Bengali
, modern
);
2638 TRACE("reordered string %s\n",debugstr_wn(input
,cCount
));
2639 GetGlyphIndicesW(hdc
, input
, cCount
, pwOutGlyphs
, 0);
2642 /* Step 3: Base Form application to syllables */
2643 ShapeIndicSyllables(hdc
, psc
, psa
, input
, cChars
, syllables
, syllable_count
, pwOutGlyphs
, pcGlyphs
, pwLogClust
, tamil_lex
, SecondReorder_Like_Tamil
, modern
);
2646 heap_free(syllables
);
2649 static int telugu_lex(WCHAR c
)
2654 case 0x0C44: return lex_Modifier
;
2656 return unicode_lex(c
);
2660 static const VowelComponents Telugu_vowels
[] = {
2661 {0x0C48, {0x0C46,0x0C56,0x0000}},
2662 {0x0000, {0x0000,0x0000,0x0000}}};
2664 static void ContextualShape_Telugu(HDC hdc
, ScriptCache
*psc
, SCRIPT_ANALYSIS
*psa
, WCHAR
* pwcChars
, INT cChars
, WORD
* pwOutGlyphs
, INT
* pcGlyphs
, INT cMaxGlyphs
, WORD
*pwLogClust
)
2666 int cCount
= cChars
;
2668 IndicSyllable
*syllables
= NULL
;
2669 int syllable_count
= 0;
2670 BOOL modern
= get_GSUB_Indic2(psa
, psc
);
2672 if (*pcGlyphs
!= cChars
)
2674 ERR("Number of Glyphs and Chars need to match at the beginning\n");
2678 input
= heap_alloc(2 * cChars
* sizeof(*input
));
2679 memcpy(input
, pwcChars
, cChars
* sizeof(WCHAR
));
2681 /* Step 1: Decompose Vowels */
2682 DecomposeVowels(hdc
, input
, &cCount
, Telugu_vowels
, pwLogClust
, cChars
);
2683 TRACE("New composed string %s (%i)\n",debugstr_wn(input
,cCount
),cCount
);
2685 /* Step 2: Reorder within Syllables */
2686 Indic_ReorderCharacters( hdc
, psa
, psc
, input
, cCount
, &syllables
, &syllable_count
, telugu_lex
, Reorder_Like_Bengali
, modern
);
2687 TRACE("reordered string %s\n",debugstr_wn(input
,cCount
));
2688 GetGlyphIndicesW(hdc
, input
, cCount
, pwOutGlyphs
, 0);
2691 /* Step 3: Base Form application to syllables */
2692 ShapeIndicSyllables(hdc
, psc
, psa
, input
, cChars
, syllables
, syllable_count
, pwOutGlyphs
, pcGlyphs
, pwLogClust
, telugu_lex
, SecondReorder_Like_Telugu
, modern
);
2695 heap_free(syllables
);
2698 static int kannada_lex(WCHAR c
)
2702 case 0x0CB0: return lex_Ra
;
2704 return unicode_lex(c
);
2708 static const VowelComponents Kannada_vowels
[] = {
2709 {0x0CC0, {0x0CBF,0x0CD5,0x0000}},
2710 {0x0CC7, {0x0CC6,0x0CD5,0x0000}},
2711 {0x0CC8, {0x0CC6,0x0CD6,0x0000}},
2712 {0x0CCA, {0x0CC6,0x0CC2,0x0000}},
2713 {0x0CCB, {0x0CC6,0x0CC2,0x0CD5}},
2714 {0x0000, {0x0000,0x0000,0x0000}}};
2716 static void ContextualShape_Kannada(HDC hdc
, ScriptCache
*psc
, SCRIPT_ANALYSIS
*psa
, WCHAR
* pwcChars
, INT cChars
, WORD
* pwOutGlyphs
, INT
* pcGlyphs
, INT cMaxGlyphs
, WORD
*pwLogClust
)
2718 int cCount
= cChars
;
2720 IndicSyllable
*syllables
= NULL
;
2721 int syllable_count
= 0;
2722 BOOL modern
= get_GSUB_Indic2(psa
, psc
);
2724 if (*pcGlyphs
!= cChars
)
2726 ERR("Number of Glyphs and Chars need to match at the beginning\n");
2730 input
= heap_alloc(3 * cChars
* sizeof(*input
));
2731 memcpy(input
, pwcChars
, cChars
* sizeof(WCHAR
));
2733 /* Step 1: Decompose Vowels */
2734 DecomposeVowels(hdc
, input
, &cCount
, Kannada_vowels
, pwLogClust
, cChars
);
2735 TRACE("New composed string %s (%i)\n",debugstr_wn(input
,cCount
),cCount
);
2737 /* Step 2: Reorder within Syllables */
2738 Indic_ReorderCharacters( hdc
, psa
, psc
, input
, cCount
, &syllables
, &syllable_count
, kannada_lex
, Reorder_Like_Kannada
, modern
);
2739 TRACE("reordered string %s\n",debugstr_wn(input
,cCount
));
2740 GetGlyphIndicesW(hdc
, input
, cCount
, pwOutGlyphs
, 0);
2743 /* Step 3: Base Form application to syllables */
2744 ShapeIndicSyllables(hdc
, psc
, psa
, input
, cChars
, syllables
, syllable_count
, pwOutGlyphs
, pcGlyphs
, pwLogClust
, kannada_lex
, SecondReorder_Like_Telugu
, modern
);
2747 heap_free(syllables
);
2750 static int malayalam_lex(WCHAR c
)
2752 return unicode_lex(c
);
2755 static const VowelComponents Malayalam_vowels
[] = {
2756 {0x0D4A, {0x0D46,0x0D3E,0x0000}},
2757 {0x0D4B, {0x0D47,0x0D3E,0x0000}},
2758 {0x0D4C, {0x0D46,0x0D57,0x0000}},
2759 {0x0000, {0x0000,0x0000,0x0000}}};
2761 static void ContextualShape_Malayalam(HDC hdc
, ScriptCache
*psc
, SCRIPT_ANALYSIS
*psa
, WCHAR
* pwcChars
, INT cChars
, WORD
* pwOutGlyphs
, INT
* pcGlyphs
, INT cMaxGlyphs
, WORD
*pwLogClust
)
2763 int cCount
= cChars
;
2765 IndicSyllable
*syllables
= NULL
;
2766 int syllable_count
= 0;
2767 BOOL modern
= get_GSUB_Indic2(psa
, psc
);
2769 if (*pcGlyphs
!= cChars
)
2771 ERR("Number of Glyphs and Chars need to match at the beginning\n");
2775 input
= heap_alloc(2 * cChars
* sizeof(*input
));
2776 memcpy(input
, pwcChars
, cChars
* sizeof(WCHAR
));
2778 /* Step 1: Decompose Vowels */
2779 DecomposeVowels(hdc
, input
, &cCount
, Malayalam_vowels
, pwLogClust
, cChars
);
2780 TRACE("New composed string %s (%i)\n",debugstr_wn(input
,cCount
),cCount
);
2782 /* Step 2: Reorder within Syllables */
2783 Indic_ReorderCharacters( hdc
, psa
, psc
, input
, cCount
, &syllables
, &syllable_count
, malayalam_lex
, Reorder_Like_Devanagari
, modern
);
2784 TRACE("reordered string %s\n",debugstr_wn(input
,cCount
));
2785 GetGlyphIndicesW(hdc
, input
, cCount
, pwOutGlyphs
, 0);
2788 /* Step 3: Base Form application to syllables */
2789 ShapeIndicSyllables(hdc
, psc
, psa
, input
, cChars
, syllables
, syllable_count
, pwOutGlyphs
, pcGlyphs
, pwLogClust
, malayalam_lex
, SecondReorder_Like_Tamil
, modern
);
2792 heap_free(syllables
);
2795 static int khmer_lex(WCHAR c
)
2797 return unicode_lex(c
);
2800 static void ContextualShape_Khmer(HDC hdc
, ScriptCache
*psc
, SCRIPT_ANALYSIS
*psa
, WCHAR
* pwcChars
, INT cChars
, WORD
* pwOutGlyphs
, INT
* pcGlyphs
, INT cMaxGlyphs
, WORD
*pwLogClust
)
2802 int cCount
= cChars
;
2804 IndicSyllable
*syllables
= NULL
;
2805 int syllable_count
= 0;
2807 if (*pcGlyphs
!= cChars
)
2809 ERR("Number of Glyphs and Chars need to match at the beginning\n");
2813 input
= heap_alloc(cChars
* sizeof(*input
));
2814 memcpy(input
, pwcChars
, cChars
* sizeof(WCHAR
));
2816 /* Step 1: Reorder within Syllables */
2817 Indic_ReorderCharacters( hdc
, psa
, psc
, input
, cCount
, &syllables
, &syllable_count
, khmer_lex
, Reorder_Like_Devanagari
, FALSE
);
2818 TRACE("reordered string %s\n",debugstr_wn(input
,cCount
));
2819 GetGlyphIndicesW(hdc
, input
, cCount
, pwOutGlyphs
, 0);
2822 /* Step 2: Base Form application to syllables */
2823 ShapeIndicSyllables(hdc
, psc
, psa
, input
, cChars
, syllables
, syllable_count
, pwOutGlyphs
, pcGlyphs
, pwLogClust
, khmer_lex
, NULL
, FALSE
);
2826 heap_free(syllables
);
2829 static inline BOOL
mongolian_wordbreak(WCHAR chr
)
2831 return ((chr
== 0x0020) || (chr
== 0x200C) || (chr
== 0x202F) || (chr
== 0x180E) || (chr
== 0x1800) || (chr
== 0x1802) || (chr
== 0x1803) || (chr
== 0x1805) || (chr
== 0x1808) || (chr
== 0x1809) || (chr
== 0x1807));
2834 static void ContextualShape_Mongolian(HDC hdc
, ScriptCache
*psc
, SCRIPT_ANALYSIS
*psa
, WCHAR
* pwcChars
, INT cChars
, WORD
* pwOutGlyphs
, INT
* pcGlyphs
, INT cMaxGlyphs
, WORD
*pwLogClust
)
2842 if (*pcGlyphs
!= cChars
)
2844 ERR("Number of Glyphs and Chars need to match at the beginning\n");
2848 if (!psa
->fLogicalOrder
&& psa
->fRTL
)
2853 if (!psc
->GSUB_Table
)
2856 context_shape
= heap_alloc(cChars
* sizeof(*context_shape
));
2858 for (i
= 0; i
< cChars
; i
++)
2860 if (i
== 0 || mongolian_wordbreak(pwcChars
[i
-1]))
2862 if ((i
== cChars
-1) || mongolian_wordbreak(pwcChars
[i
+1]))
2863 context_shape
[i
] = Xn
;
2865 context_shape
[i
] = Xl
;
2869 if ((i
== cChars
-1) || mongolian_wordbreak(pwcChars
[i
+1]))
2870 context_shape
[i
] = Xr
;
2872 context_shape
[i
] = Xm
;
2876 /* Contextual Shaping */
2878 char_index
= glyph_index
= 0;
2880 char_index
= glyph_index
= cChars
-1;
2882 while(char_index
< cChars
&& char_index
>= 0)
2885 INT prevCount
= *pcGlyphs
;
2886 nextIndex
= apply_GSUB_feature_to_glyph(hdc
, psa
, psc
, pwOutGlyphs
, glyph_index
, dirL
, pcGlyphs
, contextual_features
[context_shape
[char_index
]]);
2888 if (nextIndex
> GSUB_E_NOGLYPH
)
2890 UpdateClusters(nextIndex
, *pcGlyphs
- prevCount
, dirL
, cChars
, pwLogClust
);
2891 glyph_index
= nextIndex
;
2897 glyph_index
+= dirL
;
2901 heap_free(context_shape
);
2904 static void ShapeCharGlyphProp_Default( 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
)
2908 for (i
= 0; i
< cGlyphs
; i
++)
2913 k
= USP10_FindGlyphInLogClust(pwLogClust
, cChars
, i
);
2916 for (; k
< cChars
&& pwLogClust
[k
] == i
; k
++)
2917 char_index
[char_count
++] = k
;
2920 if (char_count
== 0)
2923 if (char_count
==1 && pwcChars
[char_index
[0]] == 0x0020) /* space */
2925 pGlyphProp
[i
].sva
.uJustification
= SCRIPT_JUSTIFY_BLANK
;
2926 pCharProp
[char_index
[0]].fCanGlyphAlone
= 1;
2929 pGlyphProp
[i
].sva
.uJustification
= SCRIPT_JUSTIFY_CHARACTER
;
2932 OpenType_GDEF_UpdateGlyphProps(psc
, pwGlyphs
, cGlyphs
, pwLogClust
, cChars
, pGlyphProp
);
2933 UpdateClustersFromGlyphProp(cGlyphs
, cChars
, pwLogClust
, pGlyphProp
);
2936 static void ShapeCharGlyphProp_Latin( 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
)
2940 ShapeCharGlyphProp_Default( psc
, psa
, pwcChars
, cChars
, pwGlyphs
, cGlyphs
, pwLogClust
, pCharProp
, pGlyphProp
);
2942 for (i
= 0; i
< cGlyphs
; i
++)
2943 if (pGlyphProp
[i
].sva
.fZeroWidth
)
2944 pGlyphProp
[i
].sva
.uJustification
= SCRIPT_JUSTIFY_NONE
;
2947 static void ShapeCharGlyphProp_Control( 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
)
2950 for (i
= 0; i
< cGlyphs
; i
++)
2952 pGlyphProp
[i
].sva
.fClusterStart
= 1;
2953 pGlyphProp
[i
].sva
.fDiacritic
= 0;
2954 pGlyphProp
[i
].sva
.uJustification
= SCRIPT_JUSTIFY_BLANK
;
2956 if (pwGlyphs
[i
] == psc
->sfp
.wgDefault
)
2957 pGlyphProp
[i
].sva
.fZeroWidth
= 0;
2959 pGlyphProp
[i
].sva
.fZeroWidth
= 1;
2963 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
)
2966 int initGlyph
, finaGlyph
;
2970 spaces
= heap_alloc(cGlyphs
);
2971 memset(spaces
,0,cGlyphs
);
2973 if (psa
->fLogicalOrder
&& psa
->fRTL
)
2976 finaGlyph
= cGlyphs
-1;
2982 initGlyph
= cGlyphs
-1;
2988 for (i
= 0; i
< cGlyphs
; i
++)
2990 for (k
= 0; k
< cChars
; k
++)
2991 if (pwLogClust
[k
] == i
)
2993 if (pwcChars
[k
] == 0x0020)
2998 for (i
= 0; i
< cGlyphs
; i
++)
3002 BOOL isInit
, isFinal
;
3004 k
= USP10_FindGlyphInLogClust(pwLogClust
, cChars
, i
);
3007 for (; k
< cChars
&& pwLogClust
[k
] == i
; k
++)
3008 char_index
[char_count
++] = k
;
3011 isInit
= (i
== initGlyph
|| (i
+dirR
> 0 && i
+dirR
< cGlyphs
&& spaces
[i
+dirR
]));
3012 isFinal
= (i
== finaGlyph
|| (i
+dirL
> 0 && i
+dirL
< cGlyphs
&& spaces
[i
+dirL
]));
3014 if (char_count
== 0)
3017 if (char_count
== 1)
3019 if (pwcChars
[char_index
[0]] == 0x0020) /* space */
3021 pGlyphProp
[i
].sva
.uJustification
= SCRIPT_JUSTIFY_ARABIC_BLANK
;
3022 pCharProp
[char_index
[0]].fCanGlyphAlone
= 1;
3024 else if (pwcChars
[char_index
[0]] == 0x0640) /* kashida */
3025 pGlyphProp
[i
].sva
.uJustification
= SCRIPT_JUSTIFY_ARABIC_KASHIDA
;
3026 else if (pwcChars
[char_index
[0]] == 0x0633) /* SEEN */
3028 if (!isInit
&& !isFinal
)
3029 pGlyphProp
[i
].sva
.uJustification
= SCRIPT_JUSTIFY_ARABIC_SEEN_M
;
3031 pGlyphProp
[i
].sva
.uJustification
= SCRIPT_JUSTIFY_ARABIC_SEEN
;
3033 pGlyphProp
[i
].sva
.uJustification
= SCRIPT_JUSTIFY_NONE
;
3037 if (pwcChars
[char_index
[0]] == 0x0628 ) /* BA */
3038 pGlyphProp
[i
].sva
.uJustification
= SCRIPT_JUSTIFY_ARABIC_BA
;
3039 else if (pwcChars
[char_index
[0]] == 0x0631 ) /* RA */
3040 pGlyphProp
[i
].sva
.uJustification
= SCRIPT_JUSTIFY_ARABIC_RA
;
3041 else if (pwcChars
[char_index
[0]] == 0x0647 ) /* HA */
3042 pGlyphProp
[i
].sva
.uJustification
= SCRIPT_JUSTIFY_ARABIC_HA
;
3043 else if ((pwcChars
[char_index
[0]] == 0x0627 || pwcChars
[char_index
[0]] == 0x0625 || pwcChars
[char_index
[0]] == 0x0623 || pwcChars
[char_index
[0]] == 0x0622) ) /* alef-like */
3044 pGlyphProp
[i
].sva
.uJustification
= SCRIPT_JUSTIFY_ARABIC_ALEF
;
3046 pGlyphProp
[i
].sva
.uJustification
= SCRIPT_JUSTIFY_NONE
;
3048 else if (!isInit
&& !isFinal
)
3049 pGlyphProp
[i
].sva
.uJustification
= SCRIPT_JUSTIFY_ARABIC_NORMAL
;
3051 pGlyphProp
[i
].sva
.uJustification
= SCRIPT_JUSTIFY_NONE
;
3053 else if (char_count
== 2)
3055 if ((pwcChars
[char_index
[0]] == 0x0628 && pwcChars
[char_index
[1]]== 0x0631) || (pwcChars
[char_index
[0]] == 0x0631 && pwcChars
[char_index
[1]]== 0x0628)) /* BA+RA */
3056 pGlyphProp
[i
].sva
.uJustification
= SCRIPT_JUSTIFY_ARABIC_BARA
;
3058 pGlyphProp
[i
].sva
.uJustification
= SCRIPT_JUSTIFY_ARABIC_NORMAL
;
3060 pGlyphProp
[i
].sva
.uJustification
= SCRIPT_JUSTIFY_NONE
;
3062 else if (!isInit
&& !isFinal
)
3063 pGlyphProp
[i
].sva
.uJustification
= SCRIPT_JUSTIFY_ARABIC_NORMAL
;
3065 pGlyphProp
[i
].sva
.uJustification
= SCRIPT_JUSTIFY_NONE
;
3068 OpenType_GDEF_UpdateGlyphProps(psc
, pwGlyphs
, cGlyphs
, pwLogClust
, cChars
, pGlyphProp
);
3069 UpdateClustersFromGlyphProp(cGlyphs
, cChars
, pwLogClust
, pGlyphProp
);
3073 static void ShapeCharGlyphProp_Hebrew( 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
)
3077 for (i
= 0; i
< cGlyphs
; i
++)
3082 k
= USP10_FindGlyphInLogClust(pwLogClust
, cChars
, i
);
3085 for (; k
< cChars
&& pwLogClust
[k
] == i
; k
++)
3086 char_index
[char_count
++] = k
;
3089 if (char_count
== 0)
3090 pGlyphProp
[i
].sva
.uJustification
= SCRIPT_JUSTIFY_NONE
;
3093 pGlyphProp
[i
].sva
.uJustification
= SCRIPT_JUSTIFY_CHARACTER
;
3094 if (char_count
==1 && pwcChars
[char_index
[0]] == 0x0020) /* space */
3095 pCharProp
[char_index
[0]].fCanGlyphAlone
= 1;
3099 OpenType_GDEF_UpdateGlyphProps(psc
, pwGlyphs
, cGlyphs
, pwLogClust
, cChars
, pGlyphProp
);
3100 UpdateClustersFromGlyphProp(cGlyphs
, cChars
, pwLogClust
, pGlyphProp
);
3103 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
)
3109 if (!psa
->fLogicalOrder
&& psa
->fRTL
)
3116 finaGlyph
= cGlyphs
-1;
3120 OpenType_GDEF_UpdateGlyphProps(psc
, pwGlyphs
, cGlyphs
, pwLogClust
, cChars
, pGlyphProp
);
3122 for (i
= 0; i
< cGlyphs
; i
++)
3128 k
= USP10_FindGlyphInLogClust(pwLogClust
, cChars
, i
);
3131 for (; k
< cChars
&& pwLogClust
[k
] == i
; k
++)
3132 char_index
[char_count
++] = k
;
3136 pGlyphProp
[i
].sva
.uJustification
= SCRIPT_JUSTIFY_NONE
;
3138 pGlyphProp
[i
].sva
.uJustification
= SCRIPT_JUSTIFY_CHARACTER
;
3140 if (char_count
== 0)
3143 if (char_count
==1 && pwcChars
[char_index
[0]] == 0x0020) /* space */
3144 pCharProp
[char_index
[0]].fCanGlyphAlone
= 1;
3146 /* handle Thai SARA AM (U+0E33) differently than GDEF */
3147 if (char_count
== 1 && pwcChars
[char_index
[0]] == 0x0e33)
3148 pGlyphProp
[i
].sva
.fClusterStart
= 0;
3151 UpdateClustersFromGlyphProp(cGlyphs
, cChars
, pwLogClust
, pGlyphProp
);
3153 /* Do not allow justification between marks and their base */
3154 for (i
= 0; i
< cGlyphs
; i
++)
3156 if (!pGlyphProp
[i
].sva
.fClusterStart
)
3157 pGlyphProp
[i
-dirL
].sva
.uJustification
= SCRIPT_JUSTIFY_NONE
;
3161 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
)
3165 for (i
= 0; i
< cGlyphs
; i
++)
3170 k
= USP10_FindGlyphInLogClust(pwLogClust
, cChars
, i
);
3173 for (; k
< cChars
&& pwLogClust
[k
] == i
; k
++)
3174 char_index
[char_count
++] = k
;
3177 if (char_count
== 0)
3180 if (char_count
==1 && pwcChars
[char_index
[0]] == 0x0020) /* space */
3182 pGlyphProp
[i
].sva
.uJustification
= SCRIPT_JUSTIFY_CHARACTER
;
3183 pCharProp
[char_index
[0]].fCanGlyphAlone
= 1;
3186 pGlyphProp
[i
].sva
.uJustification
= SCRIPT_JUSTIFY_NONE
;
3188 OpenType_GDEF_UpdateGlyphProps(psc
, pwGlyphs
, cGlyphs
, pwLogClust
, cChars
, pGlyphProp
);
3189 UpdateClustersFromGlyphProp(cGlyphs
, cChars
, pwLogClust
, pGlyphProp
);
3192 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
)
3196 for (i
= 0; i
< cGlyphs
; i
++)
3201 k
= USP10_FindGlyphInLogClust(pwLogClust
, cChars
, i
);
3204 for (; k
< cChars
&& pwLogClust
[k
] == i
; k
++)
3205 char_index
[char_count
++] = k
;
3208 if (char_count
== 0)
3211 if (char_count
==1 && pwcChars
[char_index
[0]] == 0x0020) /* space */
3213 pGlyphProp
[i
].sva
.uJustification
= SCRIPT_JUSTIFY_BLANK
;
3214 pCharProp
[char_index
[0]].fCanGlyphAlone
= 1;
3217 pGlyphProp
[i
].sva
.uJustification
= SCRIPT_JUSTIFY_NONE
;
3219 OpenType_GDEF_UpdateGlyphProps(psc
, pwGlyphs
, cGlyphs
, pwLogClust
, cChars
, pGlyphProp
);
3220 UpdateClustersFromGlyphProp(cGlyphs
, cChars
, pwLogClust
, pGlyphProp
);
3222 /* Tibeten script does not set sva.fDiacritic or sva.fZeroWidth */
3223 for (i
= 0; i
< cGlyphs
; i
++)
3225 if (!pGlyphProp
[i
].sva
.fClusterStart
)
3227 pGlyphProp
[i
].sva
.fDiacritic
= 0;
3228 pGlyphProp
[i
].sva
.fZeroWidth
= 0;
3233 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
, BOOL use_syllables
, BOOL override_gsub
)
3237 OpenType_GDEF_UpdateGlyphProps(psc
, pwGlyphs
, cGlyphs
, pwLogClust
, cChars
, pGlyphProp
);
3238 for (i
= 0; i
< cGlyphs
; i
++)
3243 k
= USP10_FindGlyphInLogClust(pwLogClust
, cChars
, i
);
3246 for (; k
< cChars
&& pwLogClust
[k
] == i
; k
++)
3247 char_index
[char_count
++] = k
;
3252 /* Most indic scripts do not set fDiacritic or fZeroWidth */
3253 pGlyphProp
[i
].sva
.fDiacritic
= FALSE
;
3254 pGlyphProp
[i
].sva
.fZeroWidth
= FALSE
;
3257 if (char_count
== 0)
3259 pGlyphProp
[i
].sva
.uJustification
= SCRIPT_JUSTIFY_NONE
;
3263 if (char_count
==1 && pwcChars
[char_index
[0]] == 0x0020) /* space */
3265 pGlyphProp
[i
].sva
.uJustification
= SCRIPT_JUSTIFY_BLANK
;
3266 pCharProp
[char_index
[0]].fCanGlyphAlone
= 1;
3269 pGlyphProp
[i
].sva
.uJustification
= SCRIPT_JUSTIFY_NONE
;
3271 pGlyphProp
[i
].sva
.fClusterStart
= 0;
3272 for (k
= 0; k
< char_count
&& !pGlyphProp
[i
].sva
.fClusterStart
; k
++)
3273 switch (lexical(pwcChars
[char_index
[k
]]))
3276 case lex_Matra_post
:
3277 case lex_Matra_above
:
3278 case lex_Matra_below
:
3284 /* check for dangling joiners */
3285 if (pwcChars
[char_index
[k
]-1] == 0x0020 || pwcChars
[char_index
[k
]+1] == 0x0020)
3286 pGlyphProp
[i
].sva
.fClusterStart
= 1;
3291 pGlyphProp
[i
].sva
.fClusterStart
= 1;
3298 IndicSyllable
*syllables
= NULL
;
3299 int syllable_count
= 0;
3300 BOOL modern
= get_GSUB_Indic2(psa
, psc
);
3302 Indic_ParseSyllables( hdc
, psa
, psc
, pwcChars
, cChars
, &syllables
, &syllable_count
, lexical
, modern
);
3304 for (i
= 0; i
< syllable_count
; i
++)
3307 WORD g
= pwLogClust
[syllables
[i
].start
];
3308 for (j
= syllables
[i
].start
+1; j
<= syllables
[i
].end
; j
++)
3310 if (pwLogClust
[j
] != g
)
3312 pGlyphProp
[pwLogClust
[j
]].sva
.fClusterStart
= 0;
3318 heap_free(syllables
);
3321 UpdateClustersFromGlyphProp(cGlyphs
, cChars
, pwLogClust
, pGlyphProp
);
3324 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
)
3326 ShapeCharGlyphProp_BaseIndic(hdc
, psc
, psa
, pwcChars
, cChars
, pwGlyphs
, cGlyphs
, pwLogClust
, pCharProp
, pGlyphProp
, sinhala_lex
, FALSE
, FALSE
);
3329 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
)
3331 ShapeCharGlyphProp_BaseIndic(hdc
, psc
, psa
, pwcChars
, cChars
, pwGlyphs
, cGlyphs
, pwLogClust
, pCharProp
, pGlyphProp
, devanagari_lex
, TRUE
, TRUE
);
3334 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
)
3336 ShapeCharGlyphProp_BaseIndic(hdc
, psc
, psa
, pwcChars
, cChars
, pwGlyphs
, cGlyphs
, pwLogClust
, pCharProp
, pGlyphProp
, bengali_lex
, TRUE
, TRUE
);
3339 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
)
3341 ShapeCharGlyphProp_BaseIndic(hdc
, psc
, psa
, pwcChars
, cChars
, pwGlyphs
, cGlyphs
, pwLogClust
, pCharProp
, pGlyphProp
, gurmukhi_lex
, TRUE
, TRUE
);
3344 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
)
3346 ShapeCharGlyphProp_BaseIndic(hdc
, psc
, psa
, pwcChars
, cChars
, pwGlyphs
, cGlyphs
, pwLogClust
, pCharProp
, pGlyphProp
, gujarati_lex
, TRUE
, TRUE
);
3349 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
)
3351 ShapeCharGlyphProp_BaseIndic(hdc
, psc
, psa
, pwcChars
, cChars
, pwGlyphs
, cGlyphs
, pwLogClust
, pCharProp
, pGlyphProp
, oriya_lex
, TRUE
, TRUE
);
3354 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
)
3356 ShapeCharGlyphProp_BaseIndic(hdc
, psc
, psa
, pwcChars
, cChars
, pwGlyphs
, cGlyphs
, pwLogClust
, pCharProp
, pGlyphProp
, tamil_lex
, TRUE
, TRUE
);
3359 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
)
3361 ShapeCharGlyphProp_BaseIndic(hdc
, psc
, psa
, pwcChars
, cChars
, pwGlyphs
, cGlyphs
, pwLogClust
, pCharProp
, pGlyphProp
, telugu_lex
, TRUE
, TRUE
);
3364 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
)
3366 ShapeCharGlyphProp_BaseIndic(hdc
, psc
, psa
, pwcChars
, cChars
, pwGlyphs
, cGlyphs
, pwLogClust
, pCharProp
, pGlyphProp
, kannada_lex
, TRUE
, TRUE
);
3369 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
)
3371 ShapeCharGlyphProp_BaseIndic(hdc
, psc
, psa
, pwcChars
, cChars
, pwGlyphs
, cGlyphs
, pwLogClust
, pCharProp
, pGlyphProp
, malayalam_lex
, TRUE
, TRUE
);
3374 static void ShapeCharGlyphProp_Khmer( 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
)
3376 ShapeCharGlyphProp_BaseIndic(hdc
, psc
, psa
, pwcChars
, cChars
, pwGlyphs
, cGlyphs
, pwLogClust
, pCharProp
, pGlyphProp
, khmer_lex
, TRUE
, TRUE
);
3379 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
)
3381 load_ot_tables(hdc
, psc
);
3383 if (ShapingData
[psa
->eScript
].charGlyphPropProc
)
3384 ShapingData
[psa
->eScript
].charGlyphPropProc(hdc
, psc
, psa
, pwcChars
, cChars
, pwGlyphs
, cGlyphs
, pwLogClust
, pCharProp
, pGlyphProp
);
3386 ShapeCharGlyphProp_Default(psc
, psa
, pwcChars
, cChars
, pwGlyphs
, cGlyphs
, pwLogClust
, pCharProp
, pGlyphProp
);
3389 void SHAPE_ContextualShaping(HDC hdc
, ScriptCache
*psc
, SCRIPT_ANALYSIS
*psa
, WCHAR
* pwcChars
, INT cChars
, WORD
* pwOutGlyphs
, INT
* pcGlyphs
, INT cMaxGlyphs
, WORD
*pwLogClust
)
3391 load_ot_tables(hdc
, psc
);
3393 if (ShapingData
[psa
->eScript
].contextProc
)
3394 ShapingData
[psa
->eScript
].contextProc(hdc
, psc
, psa
, pwcChars
, cChars
, pwOutGlyphs
, pcGlyphs
, cMaxGlyphs
, pwLogClust
);
3397 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
)
3402 if (!rpRangeProperties
)
3405 load_ot_tables(hdc
, psc
);
3407 if (!psc
->GSUB_Table
)
3410 if (scriptInformation
[psa
->eScript
].a
.fRTL
&& (!psa
->fLogicalOrder
|| !psa
->fRTL
))
3415 for (i
= 0; i
< rpRangeProperties
->cotfRecords
; i
++)
3417 if (rpRangeProperties
->potfRecords
[i
].lParameter
> 0)
3418 apply_GSUB_feature(hdc
, psa
, psc
, pwOutGlyphs
, dirL
, pcGlyphs
, cChars
, (const char*)&rpRangeProperties
->potfRecords
[i
].tagFeature
, pwLogClust
);
3422 void SHAPE_ApplyDefaultOpentypeFeatures(HDC hdc
, ScriptCache
*psc
, SCRIPT_ANALYSIS
*psa
, WORD
* pwOutGlyphs
, INT
* pcGlyphs
, INT cMaxGlyphs
, INT cChars
, WORD
*pwLogClust
)
3424 const TEXTRANGE_PROPERTIES
*rpRangeProperties
;
3425 rpRangeProperties
= &ShapingData
[psa
->eScript
].defaultTextRange
;
3427 SHAPE_ApplyOpenTypeFeatures(hdc
, psc
, psa
, pwOutGlyphs
, pcGlyphs
, cMaxGlyphs
, cChars
, rpRangeProperties
, pwLogClust
);
3430 void SHAPE_ApplyOpenTypePositions(HDC hdc
, ScriptCache
*psc
, SCRIPT_ANALYSIS
*psa
, const WORD
* pwGlyphs
, INT cGlyphs
, int *piAdvance
, GOFFSET
*pGoffset
)
3432 const TEXTRANGE_PROPERTIES
*rpRangeProperties
= &ShapingData
[psa
->eScript
].defaultGPOSTextRange
;
3435 load_ot_tables(hdc
, psc
);
3437 if (!psc
->GPOS_Table
|| !psc
->otm
)
3440 for (i
= 0; i
< rpRangeProperties
->cotfRecords
; i
++)
3442 if (rpRangeProperties
->potfRecords
[i
].lParameter
> 0)
3444 LoadedFeature
*feature
;
3446 feature
= load_OT_feature(hdc
, psa
, psc
, FEATURE_GPOS_TABLE
, (const char*)&rpRangeProperties
->potfRecords
[i
].tagFeature
);
3450 GPOS_apply_feature(psc
, psc
->otm
, &psc
->lf
, psa
, piAdvance
, feature
, pwGlyphs
, cGlyphs
, pGoffset
);
3455 HRESULT
SHAPE_CheckFontForRequiredFeatures(HDC hdc
, ScriptCache
*psc
, SCRIPT_ANALYSIS
*psa
)
3457 LoadedFeature
*feature
;
3460 if (!ShapingData
[psa
->eScript
].requiredFeatures
)
3463 load_ot_tables(hdc
, psc
);
3465 /* we need to have at least one of the required features */
3467 while (ShapingData
[psa
->eScript
].requiredFeatures
[i
])
3469 feature
= load_OT_feature(hdc
, psa
, psc
, FEATURE_ALL_TABLES
, ShapingData
[psa
->eScript
].requiredFeatures
[i
]);
3475 return USP_E_SCRIPT_NOT_IN_FONT
;
3478 HRESULT
SHAPE_GetFontScriptTags( HDC hdc
, ScriptCache
*psc
,
3479 SCRIPT_ANALYSIS
*psa
, int cMaxTags
,
3480 OPENTYPE_TAG
*pScriptTags
, int *pcTags
)
3483 OPENTYPE_TAG searching
= 0x00000000;
3485 load_ot_tables(hdc
, psc
);
3487 if (psa
&& scriptInformation
[psa
->eScript
].scriptTag
)
3488 searching
= scriptInformation
[psa
->eScript
].scriptTag
;
3490 hr
= OpenType_GetFontScriptTags(psc
, searching
, cMaxTags
, pScriptTags
, pcTags
);
3496 HRESULT
SHAPE_GetFontLanguageTags( HDC hdc
, ScriptCache
*psc
,
3497 SCRIPT_ANALYSIS
*psa
, OPENTYPE_TAG tagScript
,
3498 int cMaxTags
, OPENTYPE_TAG
*pLangSysTags
,
3502 OPENTYPE_TAG searching
= 0x00000000;
3503 BOOL fellback
= FALSE
;
3505 load_ot_tables(hdc
, psc
);
3507 if (psa
&& psc
->userLang
!= 0)
3508 searching
= psc
->userLang
;
3510 hr
= OpenType_GetFontLanguageTags(psc
, tagScript
, searching
, cMaxTags
, pLangSysTags
, pcTags
);
3514 hr
= OpenType_GetFontLanguageTags(psc
, MS_MAKE_TAG('l','a','t','n'), searching
, cMaxTags
, pLangSysTags
, pcTags
);
3517 if (FAILED(hr
) || fellback
)
3519 if (SUCCEEDED(hr
) && fellback
&& psa
)
3524 HRESULT
SHAPE_GetFontFeatureTags( HDC hdc
, ScriptCache
*psc
,
3525 SCRIPT_ANALYSIS
*psa
, OPENTYPE_TAG tagScript
,
3526 OPENTYPE_TAG tagLangSys
, int cMaxTags
,
3527 OPENTYPE_TAG
*pFeatureTags
, int *pcTags
)
3530 BOOL filter
= FALSE
;
3532 load_ot_tables(hdc
, psc
);
3534 if (psa
&& scriptInformation
[psa
->eScript
].scriptTag
)
3536 FIXME("Filtering not implemented\n");
3540 hr
= OpenType_GetFontFeatureTags(psc
, tagScript
, tagLangSys
, filter
, 0x00000000, FEATURE_ALL_TABLES
, cMaxTags
, pFeatureTags
, pcTags
, NULL
);