2 * Implementation of Uniscribe Script Processor (usp10.dll)
4 * Copyright 2005 Steven Edwards for CodeWeavers
5 * Copyright 2006 Hans Leidekker
7 * This library is free software; you can redistribute it and/or
8 * modify it under the terms of the GNU Lesser General Public
9 * License as published by the Free Software Foundation; either
10 * version 2.1 of the License, or (at your option) any later version.
12 * This library is distributed in the hope that it will be useful,
13 * but WITHOUT ANY WARRANTY; without even the implied warranty of
14 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
15 * Lesser General Public License for more details.
17 * You should have received a copy of the GNU Lesser General Public
18 * License along with this library; if not, write to the Free Software
19 * Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301, USA
22 * Uniscribe allows for processing of complex scripts such as joining
23 * and filtering characters and bi-directional text with custom line breaks.
35 #include "wine/debug.h"
36 #include "wine/unicode.h"
38 WINE_DEFAULT_DEBUG_CHANNEL(uniscribe);
40 static const SCRIPT_PROPERTIES props[] =
42 { 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0 },
43 { 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0 },
44 { 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0 },
45 { 9, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0 },
46 { 9, 1, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0 },
47 { 9, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 1, 0, 0 },
48 { 9, 1, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 1, 0, 0 },
49 { 8, 0, 0, 0, 0, 161, 0, 0, 0, 0, 0, 0, 0, 0, 0 },
50 { 25, 0, 0, 0, 0, 204, 0, 0, 0, 0, 0, 0, 0, 0, 0 },
51 { 43, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 1, 0, 0 },
52 { 55, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 1, 0, 0 },
53 { 42, 0, 0, 0, 0, 163, 0, 0, 0, 0, 0, 0, 0, 0, 0 },
54 { 9, 0, 1, 0, 1, 1, 0, 0, 0, 0, 0, 0, 1, 0, 0 },
55 { 0, 0, 0, 0, 0, 1, 0, 1, 0, 0, 0, 0, 1, 0, 0 },
56 { 9, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 1, 0, 0 },
57 { 9, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 1, 0, 0 },
58 { 9, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 1, 0, 0 },
59 { 9, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 1, 0, 0 },
60 { 18, 0, 0, 0, 1, 0, 0, 0, 0, 0, 0, 0, 1, 0, 0 },
61 { 18, 0, 1, 0, 1, 0, 0, 0, 0, 0, 0, 0, 1, 0, 0 },
62 { 9, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 1, 0, 0 },
63 { 9, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 1, 0, 0 },
64 { 9, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 1, 0, 0 },
65 { 9, 0, 1, 0, 0, 0, 1, 0, 0, 0, 0, 0, 1, 0, 0 },
66 { 13, 0, 1, 0, 1, 177, 0, 0, 0, 0, 0, 0, 0, 0, 0 },
67 { 13, 0, 1, 0, 0, 177, 0, 0, 0, 0, 0, 0, 0, 0, 0 },
68 { 1, 0, 1, 0, 0, 178, 0, 0, 0, 0, 0, 0, 1, 1, 0 },
69 { 1, 1, 1, 0, 0, 178, 0, 0, 0, 0, 0, 0, 1, 0, 0 },
70 { 41, 1, 1, 0, 0, 178, 0, 0, 0, 0, 0, 0, 0, 0, 0 },
71 { 32, 1, 1, 0, 0, 178, 0, 0, 0, 0, 0, 0, 0, 0, 0 },
72 { 90, 0, 1, 0, 0, 1, 0, 0, 0, 0, 1, 0, 0, 1, 0 },
73 { 30, 0, 1, 1, 1, 222, 0, 0, 1, 0, 1, 0, 0, 0, 1 },
74 { 30, 1, 1, 0, 0, 222, 0, 0, 0, 0, 0, 0, 0, 0, 0 },
75 { 30, 0, 1, 0, 0, 222, 0, 0, 0, 0, 0, 0, 0, 0, 0 },
76 { 57, 0, 1, 0, 1, 1, 0, 0, 0, 0, 1, 0, 0, 0, 0 },
77 { 57, 1, 1, 0, 0, 1, 0, 0, 0, 0, 0, 0, 0, 0, 0 },
78 { 73, 0, 1, 0, 1, 1, 0, 0, 0, 0, 1, 0, 0, 0, 0 },
79 { 73, 1, 1, 0, 0, 1, 0, 0, 0, 0, 0, 0, 0, 0, 0 },
80 { 69, 0, 1, 0, 1, 1, 0, 0, 0, 0, 1, 0, 0, 0, 0 },
81 { 69, 1, 1, 0, 0, 1, 0, 0, 0, 0, 0, 0, 0, 0, 0 },
82 { 69, 0, 1, 0, 0, 1, 0, 0, 0, 0, 0, 0, 0, 0, 0 },
83 { 70, 0, 1, 0, 1, 1, 0, 0, 0, 0, 1, 0, 0, 0, 0 },
84 { 70, 1, 1, 0, 0, 1, 0, 0, 0, 0, 0, 0, 0, 0, 0 },
85 { 71, 0, 1, 0, 1, 1, 0, 0, 0, 0, 1, 0, 0, 0, 0 },
86 { 71, 1, 1, 0, 0, 1, 0, 0, 0, 0, 0, 0, 0, 0, 0 },
87 { 72, 0, 1, 0, 1, 1, 0, 0, 0, 0, 1, 0, 0, 0, 0 },
88 { 72, 1, 1, 0, 0, 1, 0, 0, 0, 0, 0, 0, 0, 0, 0 },
89 { 74, 0, 1, 0, 1, 1, 0, 0, 0, 0, 1, 0, 0, 0, 0 },
90 { 74, 1, 1, 0, 0, 1, 0, 0, 0, 0, 0, 0, 0, 0, 0 },
91 { 75, 0, 1, 0, 1, 1, 0, 0, 0, 0, 1, 0, 0, 0, 0 },
92 { 75, 1, 1, 0, 0, 1, 0, 0, 0, 0, 0, 0, 0, 0, 0 },
93 { 76, 0, 1, 0, 1, 1, 0, 0, 0, 0, 1, 0, 0, 0, 0 },
94 { 76, 1, 1, 0, 0, 1, 0, 0, 0, 0, 0, 0, 0, 0, 0 },
95 { 81, 0, 1, 1, 1, 1, 0, 0, 1, 0, 1, 0, 0, 0, 0 },
96 { 81, 1, 1, 0, 0, 1, 0, 0, 0, 0, 0, 0, 0, 0, 0 },
97 { 84, 0, 1, 1, 1, 1, 0, 0, 1, 0, 1, 0, 0, 0, 0 },
98 { 84, 1, 1, 0, 0, 1, 0, 0, 0, 0, 0, 0, 0, 0, 0 },
99 { 83, 0, 1, 1, 1, 1, 0, 0, 0, 0, 1, 0, 0, 0, 0 },
100 { 83, 1, 1, 0, 0, 1, 0, 0, 0, 0, 0, 0, 0, 0, 0 },
101 { 85, 0, 1, 1, 1, 1, 0, 0, 0, 0, 1, 0, 0, 0, 0 },
102 { 85, 1, 1, 0, 0, 1, 0, 0, 0, 0, 0, 0, 0, 0, 0 },
103 { 80, 0, 1, 0, 0, 1, 0, 0, 0, 0, 0, 0, 0, 0, 0 },
104 { 80, 1, 1, 0, 0, 1, 0, 0, 0, 0, 0, 0, 0, 0, 0 },
105 { 94, 0, 1, 0, 0, 1, 0, 0, 0, 0, 0, 0, 0, 0, 0 },
106 { 94, 1, 1, 0, 0, 1, 0, 0, 0, 0, 0, 0, 0, 0, 0 },
107 { 101, 0, 1, 0, 1, 1, 0, 0, 0, 0, 0, 0, 0, 0, 0 },
108 { 93, 0, 1, 0, 0, 1, 0, 0, 0, 0, 0, 0, 0, 0, 0 },
109 { 92, 0, 1, 0, 0, 1, 0, 0, 0, 0, 0, 0, 0, 0, 0 },
110 { 9, 0, 1, 0, 0, 1, 0, 0, 0, 0, 0, 0, 0, 0, 0 },
111 { 0, 0, 1, 0, 0, 1, 0, 0, 0, 0, 0, 0, 0, 0, 0 },
112 { 0, 0, 1, 0, 0, 1, 0, 0, 0, 0, 0, 0, 0, 0, 0 },
113 { 91, 0, 1, 0, 1, 1, 0, 0, 0, 0, 0, 0, 0, 0, 0 },
114 { 9, 0, 1, 0, 1, 0, 0, 0, 0, 0, 0, 1, 1, 0, 0 },
115 { 0, 1, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0 },
118 static const SCRIPT_PROPERTIES *script_props[] =
120 &props[0], &props[1], &props[2], &props[3],
121 &props[4], &props[5], &props[6], &props[7],
122 &props[8], &props[9], &props[11], &props[12],
123 &props[13], &props[14], &props[15], &props[16],
124 &props[17], &props[18], &props[19], &props[20],
125 &props[21], &props[22], &props[23], &props[24],
126 &props[25], &props[26], &props[27], &props[28],
127 &props[29], &props[30], &props[31], &props[32],
128 &props[33], &props[34], &props[35], &props[36],
129 &props[37], &props[38], &props[39], &props[40],
130 &props[41], &props[42], &props[43], &props[44],
131 &props[45], &props[46], &props[47], &props[48],
132 &props[49], &props[50], &props[51], &props[52],
133 &props[53], &props[54], &props[55], &props[56],
134 &props[57], &props[58], &props[59], &props[60],
135 &props[61], &props[62], &props[63], &props[64],
136 &props[65], &props[66], &props[67], &props[68],
137 &props[69], &props[70], &props[71], &props[72],
152 SCRIPT_VISATTR* psva;
165 StringGlyphs* glyphs;
166 SCRIPT_LOGATTR* logattrs;
170 static inline void *heap_alloc(SIZE_T size)
172 return HeapAlloc(GetProcessHeap(), 0, size);
175 static inline void *heap_alloc_zero(SIZE_T size)
177 return HeapAlloc(GetProcessHeap(), HEAP_ZERO_MEMORY, size);
180 static inline void *heap_realloc_zero(LPVOID mem, SIZE_T size)
182 return HeapReAlloc(GetProcessHeap(), HEAP_ZERO_MEMORY, mem, size);
185 static inline BOOL heap_free(LPVOID mem)
187 return HeapFree(GetProcessHeap(), 0, mem);
190 static HDC get_cache_hdc(SCRIPT_CACHE *psc)
192 return ((ScriptCache *)*psc)->hdc;
195 static WCHAR get_cache_default_char(SCRIPT_CACHE *psc)
197 return ((ScriptCache *)*psc)->tm.tmDefaultChar;
200 static LONG get_cache_height(SCRIPT_CACHE *psc)
202 return ((ScriptCache *)*psc)->tm.tmHeight;
205 static BYTE get_cache_pitch_family(SCRIPT_CACHE *psc)
207 return ((ScriptCache *)*psc)->tm.tmPitchAndFamily;
210 static HRESULT init_script_cache(const HDC hdc, ScriptCache *sc)
212 if (!GetTextMetricsW(hdc, &sc->tm)) return E_INVALIDARG;
213 if (!GetObjectW(GetCurrentObject(hdc, OBJ_FONT), sizeof(LOGFONTW), &sc->lf)) return E_INVALIDARG;
218 static HRESULT get_script_cache(const HDC hdc, SCRIPT_CACHE *psc)
220 if (!psc) return E_INVALIDARG;
226 if (!hdc) return E_PENDING;
227 if (!(sc = heap_alloc_zero(sizeof(ScriptCache)))) return E_OUTOFMEMORY;
228 ret = init_script_cache(hdc, sc);
236 TRACE("<- %p\n", *psc);
240 static HFONT select_cached_font(SCRIPT_CACHE *psc)
243 ScriptCache *sc = *psc;
245 old_font = SelectObject(sc->hdc, CreateFontIndirectW(&sc->lf));
249 static void unselect_cached_font(SCRIPT_CACHE *psc, HFONT old_font)
251 ScriptCache *sc = *psc;
252 DeleteObject(SelectObject(sc->hdc, old_font));
255 /***********************************************************************
259 BOOL WINAPI DllMain(HINSTANCE hInstDLL, DWORD fdwReason, LPVOID lpv)
263 case DLL_PROCESS_ATTACH:
264 DisableThreadLibraryCalls(hInstDLL);
266 case DLL_PROCESS_DETACH:
272 /***********************************************************************
273 * ScriptFreeCache (USP10.@)
275 * Free a script cache.
278 * psc [I/O] Script cache.
282 * Failure: Non-zero HRESULT value.
284 HRESULT WINAPI ScriptFreeCache(SCRIPT_CACHE *psc)
296 /***********************************************************************
297 * ScriptGetProperties (USP10.@)
299 * Retrieve a list of script properties.
302 * props [I] Pointer to an array of SCRIPT_PROPERTIES pointers.
303 * num [I] Pointer to the number of scripts.
307 * Failure: Non-zero HRESULT value.
310 * Behaviour matches WinXP.
312 HRESULT WINAPI ScriptGetProperties(const SCRIPT_PROPERTIES ***props, int *num)
314 TRACE("(%p,%p)\n", props, num);
316 if (!props && !num) return E_INVALIDARG;
318 if (num) *num = sizeof(script_props)/sizeof(script_props[0]);
319 if (props) *props = script_props;
324 /***********************************************************************
325 * ScriptGetFontProperties (USP10.@)
327 * Get information on special glyphs.
330 * hdc [I] Device context.
331 * psc [I/O] Opaque pointer to a script cache.
332 * sfp [O] Font properties structure.
334 HRESULT WINAPI ScriptGetFontProperties(HDC hdc, SCRIPT_CACHE *psc, SCRIPT_FONTPROPERTIES *sfp)
338 TRACE("%p,%p,%p\n", hdc, psc, sfp);
340 if (!sfp) return E_INVALIDARG;
342 hr = get_script_cache(hdc, psc);
346 if (sfp->cBytes != sizeof(SCRIPT_FONTPROPERTIES))
349 /* return something sensible? */
351 sfp->wgDefault = get_cache_default_char(psc);
353 sfp->wgKashida = 0xffff;
354 sfp->iKashidaWidth = 0;
359 /***********************************************************************
360 * ScriptRecordDigitSubstitution (USP10.@)
362 * Record digit substitution settings for a given locale.
365 * locale [I] Locale identifier.
366 * sds [I] Structure to record substitution settings.
370 * Failure: E_POINTER if sds is NULL, E_INVALIDARG otherwise.
373 * http://blogs.msdn.com/michkap/archive/2006/02/22/536877.aspx
375 HRESULT WINAPI ScriptRecordDigitSubstitution(LCID locale, SCRIPT_DIGITSUBSTITUTE *sds)
379 TRACE("0x%x, %p\n", locale, sds);
381 /* This implementation appears to be correct for all languages, but it's
382 * not clear if sds->DigitSubstitute is ever set to anything except
383 * CONTEXT or NONE in reality */
385 if (!sds) return E_POINTER;
387 locale = ConvertDefaultLocale(locale);
389 if (!IsValidLocale(locale, LCID_INSTALLED))
392 plgid = PRIMARYLANGID(LANGIDFROMLCID(locale));
393 sds->TraditionalDigitLanguage = plgid;
395 if (plgid == LANG_ARABIC || plgid == LANG_FARSI)
396 sds->NationalDigitLanguage = plgid;
398 sds->NationalDigitLanguage = LANG_ENGLISH;
400 if (!GetLocaleInfoW(locale, LOCALE_IDIGITSUBSTITUTION | LOCALE_RETURN_NUMBER,
401 (LPWSTR)&sub, sizeof(sub)/sizeof(WCHAR))) return E_INVALIDARG;
406 if (plgid == LANG_ARABIC || plgid == LANG_FARSI)
407 sds->DigitSubstitute = SCRIPT_DIGITSUBSTITUTE_CONTEXT;
409 sds->DigitSubstitute = SCRIPT_DIGITSUBSTITUTE_NONE;
412 sds->DigitSubstitute = SCRIPT_DIGITSUBSTITUTE_NONE;
415 sds->DigitSubstitute = SCRIPT_DIGITSUBSTITUTE_NATIONAL;
418 sds->DigitSubstitute = SCRIPT_DIGITSUBSTITUTE_TRADITIONAL;
426 /***********************************************************************
427 * ScriptApplyDigitSubstitution (USP10.@)
429 * Apply digit substitution settings.
432 * sds [I] Structure with recorded substitution settings.
433 * sc [I] Script control structure.
434 * ss [I] Script state structure.
438 * Failure: E_INVALIDARG if sds is invalid. Otherwise an HRESULT.
440 HRESULT WINAPI ScriptApplyDigitSubstitution(const SCRIPT_DIGITSUBSTITUTE *sds,
441 SCRIPT_CONTROL *sc, SCRIPT_STATE *ss)
443 SCRIPT_DIGITSUBSTITUTE psds;
445 TRACE("%p, %p, %p\n", sds, sc, ss);
447 if (!sc || !ss) return E_POINTER;
451 if (ScriptRecordDigitSubstitution(LOCALE_USER_DEFAULT, &psds) != S_OK)
455 sc->uDefaultLanguage = LANG_ENGLISH;
456 sc->fContextDigits = 0;
457 ss->fDigitSubstitute = 0;
459 switch (sds->DigitSubstitute) {
460 case SCRIPT_DIGITSUBSTITUTE_CONTEXT:
461 case SCRIPT_DIGITSUBSTITUTE_NATIONAL:
462 case SCRIPT_DIGITSUBSTITUTE_NONE:
463 case SCRIPT_DIGITSUBSTITUTE_TRADITIONAL:
470 /***********************************************************************
471 * ScriptItemize (USP10.@)
473 * Split a Unicode string into shapeable parts.
476 * pwcInChars [I] String to split.
477 * cInChars [I] Number of characters in pwcInChars.
478 * cMaxItems [I] Maximum number of items to return.
479 * psControl [I] Pointer to a SCRIPT_CONTROL structure.
480 * psState [I] Pointer to a SCRIPT_STATE structure.
481 * pItems [O] Buffer to receive SCRIPT_ITEM structures.
482 * pcItems [O] Number of script items returned.
486 * Failure: Non-zero HRESULT value.
488 HRESULT WINAPI ScriptItemize(const WCHAR *pwcInChars, int cInChars, int cMaxItems,
489 const SCRIPT_CONTROL *psControl, const SCRIPT_STATE *psState,
490 SCRIPT_ITEM *pItems, int *pcItems)
493 #define Numeric_start 0x0030
494 #define Numeric_stop 0x0039
495 #define Numeric_space 0x0020
496 #define Arabic_start 0x0600
497 #define Arabic_stop 0x06ff
498 #define Latin_start 0x0001
499 #define Latin_stop 0x024f
500 #define Script_Arabic 6
501 #define Script_Latin 1
502 #define Script_Numeric 5
504 int cnt = 0, index = 0;
505 int New_Script = SCRIPT_UNDEFINED;
507 TRACE("%s,%d,%d,%p,%p,%p,%p\n", debugstr_wn(pwcInChars, cInChars), cInChars, cMaxItems,
508 psControl, psState, pItems, pcItems);
510 if (!pwcInChars || !cInChars || !pItems || cMaxItems < 2)
513 pItems[index].iCharPos = 0;
514 memset(&pItems[index].a, 0, sizeof(SCRIPT_ANALYSIS));
516 if (pwcInChars[cnt] >= Numeric_start && pwcInChars[cnt] <= Numeric_stop)
517 pItems[index].a.eScript = Script_Numeric;
519 if (pwcInChars[cnt] >= Arabic_start && pwcInChars[cnt] <= Arabic_stop)
520 pItems[index].a.eScript = Script_Arabic;
522 if (pwcInChars[cnt] >= Latin_start && pwcInChars[cnt] <= Latin_stop)
523 pItems[index].a.eScript = Script_Latin;
525 if (pItems[index].a.eScript == Script_Arabic)
526 pItems[index].a.s.uBidiLevel = 1;
528 TRACE("New_Script=%d, eScript=%d index=%d cnt=%d iCharPos=%d\n",
529 New_Script, pItems[index].a.eScript, index, cnt,
530 pItems[index].iCharPos = cnt);
532 for (cnt=0; cnt < cInChars; cnt++)
534 if ((pwcInChars[cnt] >= Numeric_start && pwcInChars[cnt] <= Numeric_stop)
535 || (New_Script == Script_Numeric && pwcInChars[cnt] == Numeric_space))
536 New_Script = Script_Numeric;
538 if ((pwcInChars[cnt] >= Arabic_start && pwcInChars[cnt] <= Arabic_stop)
539 || (New_Script == Script_Arabic && pwcInChars[cnt] == Numeric_space))
540 New_Script = Script_Arabic;
542 if ((WCHAR) pwcInChars[cnt] >= Latin_start && (WCHAR) pwcInChars[cnt] <= Latin_stop)
543 New_Script = Script_Latin;
545 New_Script = SCRIPT_UNDEFINED;
547 if (New_Script != pItems[index].a.eScript)
549 TRACE("New_Script=%d, eScript=%d ", New_Script, pItems[index].a.eScript);
551 if (index+1 > cMaxItems)
552 return E_OUTOFMEMORY;
554 pItems[index].iCharPos = cnt;
555 memset(&pItems[index].a, 0, sizeof(SCRIPT_ANALYSIS));
557 if (New_Script == Script_Arabic)
558 pItems[index].a.s.uBidiLevel = 1;
560 pItems[index].a.eScript = New_Script;
561 if (New_Script == Script_Arabic)
562 pItems[index].a.s.uBidiLevel = 1;
564 TRACE("index=%d cnt=%d iCharPos=%d\n", index, cnt, pItems[index].iCharPos = cnt);
568 /* While not strictly necessary according to the spec, make sure the n+1
569 * item is set up to prevent random behaviour if the caller erroneously
570 * checks the n+1 structure */
571 memset(&pItems[index+1].a, 0, sizeof(SCRIPT_ANALYSIS));
573 TRACE("index=%d cnt=%d iCharPos=%d\n", index+1, cnt, pItems[index+1].iCharPos = cnt);
575 /* Set one SCRIPT_STATE item being returned */
576 if (pcItems) *pcItems = index + 1;
578 /* Set SCRIPT_ITEM */
579 pItems[index+1].iCharPos = cnt; /* the last + 1 item
580 contains the ptr to the lastchar */
584 /***********************************************************************
585 * ScriptStringAnalyse (USP10.@)
588 HRESULT WINAPI ScriptStringAnalyse(HDC hdc, const void *pString, int cString,
589 int cGlyphs, int iCharset, DWORD dwFlags,
590 int iReqWidth, SCRIPT_CONTROL *psControl,
591 SCRIPT_STATE *psState, const int *piDx,
592 SCRIPT_TABDEF *pTabdef, const BYTE *pbInClass,
593 SCRIPT_STRING_ANALYSIS *pssa)
595 HRESULT hr = E_OUTOFMEMORY;
596 StringAnalysis *analysis = NULL;
597 int i, num_items = 255;
599 TRACE("(%p,%p,%d,%d,%d,0x%x,%d,%p,%p,%p,%p,%p,%p)\n",
600 hdc, pString, cString, cGlyphs, iCharset, dwFlags, iReqWidth,
601 psControl, psState, piDx, pTabdef, pbInClass, pssa);
605 FIXME("Only Unicode strings are supported\n");
608 if (cString < 1 || !pString) return E_INVALIDARG;
609 if ((dwFlags & SSA_GLYPHS) && !hdc) return E_PENDING;
611 if (!(analysis = heap_alloc_zero(sizeof(StringAnalysis)))) return E_OUTOFMEMORY;
612 if (!(analysis->pItem = heap_alloc_zero(num_items * sizeof(SCRIPT_ITEM) + 1))) goto error;
614 /* FIXME: handle clipping */
615 analysis->clip_len = cString;
617 hr = ScriptItemize(pString, cString, num_items, psControl, psState, analysis->pItem,
618 &analysis->numItems);
620 while (hr == E_OUTOFMEMORY)
625 if (!(tmp = heap_realloc_zero(analysis->pItem, num_items * sizeof(SCRIPT_ITEM) + 1)))
628 analysis->pItem = tmp;
629 hr = ScriptItemize(pString, cString, num_items, psControl, psState, analysis->pItem,
630 &analysis->numItems);
632 if (hr != S_OK) goto error;
634 if ((analysis->logattrs = heap_alloc(sizeof(SCRIPT_LOGATTR) * cString)))
635 ScriptBreak(pString, cString, (SCRIPT_STRING_ANALYSIS)analysis, analysis->logattrs);
639 if (!(analysis->glyphs = heap_alloc_zero(sizeof(StringGlyphs) * analysis->numItems)))
642 for (i = 0; i < analysis->numItems; i++)
644 SCRIPT_CACHE *sc = (SCRIPT_CACHE *)&analysis->sc;
645 int cChar = analysis->pItem[i+1].iCharPos - analysis->pItem[i].iCharPos;
646 int numGlyphs = 1.5 * cChar + 16;
647 WORD *glyphs = heap_alloc_zero(sizeof(WORD) * numGlyphs);
648 WORD *pwLogClust = heap_alloc_zero(sizeof(WORD) * cChar);
649 int *piAdvance = heap_alloc_zero(sizeof(int) * numGlyphs);
650 SCRIPT_VISATTR *psva = heap_alloc_zero(sizeof(SCRIPT_VISATTR) * cChar);
651 GOFFSET *pGoffset = heap_alloc_zero(sizeof(GOFFSET) * numGlyphs);
652 ABC *abc = heap_alloc_zero(sizeof(ABC));
653 int numGlyphsReturned;
655 /* FIXME: non unicode strings */
656 WCHAR* pStr = (WCHAR*)pString;
657 hr = ScriptShape(hdc, sc, &pStr[analysis->pItem[i].iCharPos],
658 cChar, numGlyphs, &analysis->pItem[i].a,
659 glyphs, pwLogClust, psva, &numGlyphsReturned);
660 hr = ScriptPlace(hdc, sc, glyphs, numGlyphsReturned, psva, &analysis->pItem[i].a,
661 piAdvance, pGoffset, abc);
663 analysis->glyphs[i].numGlyphs = numGlyphsReturned;
664 analysis->glyphs[i].glyphs = glyphs;
665 analysis->glyphs[i].pwLogClust = pwLogClust;
666 analysis->glyphs[i].piAdvance = piAdvance;
667 analysis->glyphs[i].psva = psva;
668 analysis->glyphs[i].pGoffset = pGoffset;
669 analysis->glyphs[i].abc = abc;
676 heap_free(analysis->glyphs);
677 heap_free(analysis->logattrs);
678 heap_free(analysis->pItem);
679 heap_free(analysis->sc);
684 /***********************************************************************
685 * ScriptStringOut (USP10.@)
687 * This function takes the output of ScriptStringAnalyse and joins the segments
688 * of glyphs and passes the resulting string to ScriptTextOut. ScriptStringOut
689 * only processes glyphs.
692 * ssa [I] buffer to hold the analysed string components
693 * iX [I] X axis displacement for output
694 * iY [I] Y axis displacement for output
695 * uOptions [I] flags controling output processing
696 * prc [I] rectangle coordinates
697 * iMinSel [I] starting pos for substringing output string
698 * iMaxSel [I] ending pos for substringing output string
699 * fDisabled [I] controls text highlighting
703 * Failure: is the value returned by ScriptTextOut
705 HRESULT WINAPI ScriptStringOut(SCRIPT_STRING_ANALYSIS ssa,
714 StringAnalysis *analysis;
719 TRACE("(%p,%d,%d,0x%1x,%p,%d,%d,%d)\n",
720 ssa, iX, iY, uOptions, prc, iMinSel, iMaxSel, fDisabled);
722 if (!(analysis = ssa)) return E_INVALIDARG;
725 * Get storage for the output buffer for the consolidated strings
728 for (item = 0; item < analysis->numItems; item++)
730 cnt += analysis->glyphs[item].numGlyphs;
732 if (!(glyphs = heap_alloc(sizeof(WCHAR) * cnt))) return E_OUTOFMEMORY;
735 * ScriptStringOut only processes glyphs hence set ETO_GLYPH_INDEX
737 uOptions |= ETO_GLYPH_INDEX;
738 analysis->pItem[0].a.fNoGlyphIndex = FALSE; /* say that we have glyphs */
741 * Copy the string items into the output buffer
744 TRACE("numItems %d\n", analysis->numItems);
747 for (item = 0; item < analysis->numItems; item++)
749 memcpy(&glyphs[cnt], analysis->glyphs[item].glyphs,
750 sizeof(WCHAR) * analysis->glyphs[item].numGlyphs);
752 TRACE("Item %d, Glyphs %d ", item, analysis->glyphs[item].numGlyphs);
753 for (x = cnt; x < analysis->glyphs[item].numGlyphs + cnt; x ++)
754 TRACE("%04x", glyphs[x]);
757 cnt += analysis->glyphs[item].numGlyphs; /* point to the end of the copied text */
760 hr = ScriptTextOut(analysis->sc->hdc, (SCRIPT_CACHE *)&analysis->sc, iX, iY,
761 uOptions, prc, &analysis->pItem->a, NULL, 0, glyphs, cnt,
762 analysis->glyphs->piAdvance, NULL, analysis->glyphs->pGoffset);
763 TRACE("ScriptTextOut hr=%08x\n", hr);
766 * Free the output buffer and script cache
772 /***********************************************************************
773 * ScriptStringCPtoX (USP10.@)
776 HRESULT WINAPI ScriptStringCPtoX(SCRIPT_STRING_ANALYSIS ssa, int icp, BOOL fTrailing, int* pX)
781 StringAnalysis* analysis = ssa;
783 TRACE("(%p), %d, %d, (%p)\n", ssa, icp, fTrailing, pX);
785 if (!ssa || !pX) return S_FALSE;
787 /* icp out of range */
790 analysis->invalid = TRUE;
794 for(i=0; i<analysis->numItems; i++)
796 for(j=0; j<analysis->glyphs[i].numGlyphs; j++)
798 if(runningCp == icp && fTrailing == FALSE)
803 runningX += analysis->glyphs[i].piAdvance[j];
804 if(runningCp == icp && fTrailing == TRUE)
813 /* icp out of range */
814 analysis->invalid = TRUE;
818 /***********************************************************************
819 * ScriptStringXtoCP (USP10.@)
822 HRESULT WINAPI ScriptStringXtoCP(SCRIPT_STRING_ANALYSIS ssa, int iX, int* piCh, int* piTrailing)
824 StringAnalysis* analysis = ssa;
831 TRACE("(%p), %d, (%p), (%p)\n", ssa, iX, piCh, piTrailing);
833 if (!ssa || !piCh || !piTrailing) return S_FALSE;
843 for(i=0; i<analysis->numItems; i++)
845 for(j=0; j<analysis->glyphs[i].numGlyphs; j++)
847 width = analysis->glyphs[i].piAdvance[j];
848 if(iX < (runningX + width))
851 if((iX - runningX) > width/2)
863 *piCh = analysis->pItem[analysis->numItems].iCharPos;
870 /***********************************************************************
871 * ScriptStringFree (USP10.@)
873 * Free a string analysis.
876 * pssa [I] string analysis.
880 * Failure: Non-zero HRESULT value.
882 HRESULT WINAPI ScriptStringFree(SCRIPT_STRING_ANALYSIS *pssa)
884 StringAnalysis* analysis;
888 TRACE("(%p)\n", pssa);
890 if (!pssa || !(analysis = *pssa)) return E_INVALIDARG;
891 invalid = analysis->invalid;
893 for (i = 0; i < analysis->numItems; i++)
895 heap_free(analysis->glyphs[i].glyphs);
896 heap_free(analysis->glyphs[i].pwLogClust);
897 heap_free(analysis->glyphs[i].piAdvance);
898 heap_free(analysis->glyphs[i].psva);
899 heap_free(analysis->glyphs[i].pGoffset);
900 heap_free(analysis->glyphs[i].abc);
903 heap_free(analysis->glyphs);
904 heap_free(analysis->pItem);
905 heap_free(analysis->logattrs);
906 heap_free(analysis->sz);
907 heap_free(analysis->sc);
910 if (invalid) return E_INVALIDARG;
914 /***********************************************************************
915 * ScriptCPtoX (USP10.@)
918 HRESULT WINAPI ScriptCPtoX(int iCP,
922 const WORD *pwLogClust,
923 const SCRIPT_VISATTR *psva,
924 const int *piAdvance,
925 const SCRIPT_ANALYSIS *psa,
931 TRACE("(%d,%d,%d,%d,%p,%p,%p,%p,%p)\n",
932 iCP, fTrailing, cChars, cGlyphs, pwLogClust, psva, piAdvance,
934 for (item=0; item < cGlyphs; item++) /* total piAdvance */
935 fMaxPosX += piAdvance[item];
936 iPosX = (fMaxPosX/cGlyphs)*(iCP+fTrailing);
937 if (iPosX > fMaxPosX)
939 *piX = iPosX; /* Return something in range */
941 TRACE("*piX=%d\n", *piX);
945 /***********************************************************************
946 * ScriptXtoCP (USP10.@)
949 HRESULT WINAPI ScriptXtoCP(int iX,
952 const WORD *pwLogClust,
953 const SCRIPT_VISATTR *psva,
954 const int *piAdvance,
955 const SCRIPT_ANALYSIS *psa,
963 TRACE("(%d,%d,%d,%p,%p,%p,%p,%p,%p)\n",
964 iX, cChars, cGlyphs, pwLogClust, psva, piAdvance,
965 psa, piCP, piTrailing);
966 if (iX < 0) /* iX is before start of run */
973 for (item=0; item < cGlyphs; item++) /* total piAdvance */
974 fMaxPosX += piAdvance[item];
976 if (iX >= fMaxPosX) /* iX too large */
983 fAvePosX = fMaxPosX / cGlyphs;
985 for (item = 1; item < cGlyphs && iPosX < iX; item++)
987 if (iPosX - iX > fAvePosX/2)
990 *piTrailing = 1; /* yep we are over halfway */
992 *piCP = item -1; /* Return character position */
993 TRACE("*piCP=%d iPposX=%d\n", *piCP, iPosX);
997 /***********************************************************************
998 * ScriptBreak (USP10.@)
1000 * Retrieve line break information.
1003 * chars [I] Array of characters.
1004 * sa [I] String analysis.
1005 * la [I] Array of logical attribute structures.
1011 HRESULT WINAPI ScriptBreak(const WCHAR *chars, int count, const SCRIPT_ANALYSIS *sa, SCRIPT_LOGATTR *la)
1015 TRACE("(%s, %d, %p, %p)\n", debugstr_wn(chars, count), count, sa, la);
1017 if (!la) return S_FALSE;
1019 for (i = 0; i < count; i++)
1021 memset(&la[i], 0, sizeof(SCRIPT_LOGATTR));
1023 /* FIXME: set the other flags */
1024 la[i].fWhiteSpace = isspaceW(chars[i]);
1025 la[i].fCharStop = 1;
1038 { 0, 0x0b, SIC_COMPLEX },
1039 { 0x0c, 0x0c, SIC_NEUTRAL },
1040 { 0x0d, 0x1f, SIC_COMPLEX },
1041 { 0x20, 0x2f, SIC_NEUTRAL },
1042 { 0x30, 0x39, SIC_ASCIIDIGIT },
1043 { 0x3a, 0x40, SIC_NEUTRAL },
1044 { 0x5b, 0x60, SIC_NEUTRAL },
1045 { 0x7b, 0x7e, SIC_NEUTRAL },
1046 { 0x7f, 0x9f, SIC_COMPLEX },
1047 { 0xa0, 0xa5, SIC_NEUTRAL },
1048 { 0xa7, 0xa8, SIC_NEUTRAL },
1049 { 0xab, 0xab, SIC_NEUTRAL },
1050 { 0xad, 0xad, SIC_NEUTRAL },
1051 { 0xaf, 0xaf, SIC_NEUTRAL },
1052 { 0xb0, 0xb1, SIC_NEUTRAL },
1053 { 0xb4, 0xb4, SIC_NEUTRAL },
1054 { 0xb6, 0xb8, SIC_NEUTRAL },
1055 { 0xbb, 0xbf, SIC_NEUTRAL },
1056 { 0xd7, 0xd7, SIC_NEUTRAL },
1057 { 0xf7, 0xf7, SIC_NEUTRAL },
1058 { 0x2b9, 0x2ba, SIC_NEUTRAL },
1059 { 0x2c2, 0x2cf, SIC_NEUTRAL },
1060 { 0x2d2, 0x2df, SIC_NEUTRAL },
1061 { 0x2e5, 0x2e9, SIC_COMPLEX },
1062 { 0x2ea, 0x2ed, SIC_NEUTRAL },
1063 { 0x300, 0x362, SIC_COMPLEX },
1064 { 0x530, 0x60b, SIC_COMPLEX },
1065 { 0x60c, 0x60d, SIC_NEUTRAL },
1066 { 0x60e, 0x669, SIC_COMPLEX },
1067 { 0x66a, 0x66a, SIC_NEUTRAL },
1068 { 0x66b, 0x6e8, SIC_COMPLEX },
1069 { 0x6e9, 0x6e9, SIC_NEUTRAL },
1070 { 0x6ea, 0x7bf, SIC_COMPLEX },
1071 { 0x900, 0x1360, SIC_COMPLEX },
1072 { 0x137d, 0x137f, SIC_COMPLEX },
1073 { 0x1680, 0x1680, SIC_NEUTRAL },
1074 { 0x1780, 0x18af, SIC_COMPLEX },
1075 { 0x2000, 0x200a, SIC_NEUTRAL },
1076 { 0x200b, 0x200f, SIC_COMPLEX },
1077 { 0x2010, 0x2016, SIC_NEUTRAL },
1078 { 0x2018, 0x2022, SIC_NEUTRAL },
1079 { 0x2024, 0x2028, SIC_NEUTRAL },
1080 { 0x2029, 0x202e, SIC_COMPLEX },
1081 { 0x202f, 0x2037, SIC_NEUTRAL },
1082 { 0x2039, 0x203c, SIC_NEUTRAL },
1083 { 0x2044, 0x2046, SIC_NEUTRAL },
1084 { 0x206a, 0x206f, SIC_COMPLEX },
1085 { 0x207a, 0x207e, SIC_NEUTRAL },
1086 { 0x208a, 0x20aa, SIC_NEUTRAL },
1087 { 0x20ac, 0x20cf, SIC_NEUTRAL },
1088 { 0x20d0, 0x20ff, SIC_COMPLEX },
1089 { 0x2103, 0x2103, SIC_NEUTRAL },
1090 { 0x2105, 0x2105, SIC_NEUTRAL },
1091 { 0x2109, 0x2109, SIC_NEUTRAL },
1092 { 0x2116, 0x2116, SIC_NEUTRAL },
1093 { 0x2121, 0x2122, SIC_NEUTRAL },
1094 { 0x212e, 0x212e, SIC_NEUTRAL },
1095 { 0x2153, 0x2154, SIC_NEUTRAL },
1096 { 0x215b, 0x215e, SIC_NEUTRAL },
1097 { 0x2190, 0x2199, SIC_NEUTRAL },
1098 { 0x21b8, 0x21b9, SIC_NEUTRAL },
1099 { 0x21d2, 0x21d2, SIC_NEUTRAL },
1100 { 0x21d4, 0x21d4, SIC_NEUTRAL },
1101 { 0x21e7, 0x21e7, SIC_NEUTRAL },
1102 { 0x2200, 0x2200, SIC_NEUTRAL },
1103 { 0x2202, 0x2203, SIC_NEUTRAL },
1104 { 0x2207, 0x2208, SIC_NEUTRAL },
1105 { 0x220b, 0x220b, SIC_NEUTRAL },
1106 { 0x220f, 0x220f, SIC_NEUTRAL },
1107 { 0x2211, 0x2213, SIC_NEUTRAL },
1108 { 0x2215, 0x2215, SIC_NEUTRAL },
1109 { 0x221a, 0x221a, SIC_NEUTRAL },
1110 { 0x221d, 0x2220, SIC_NEUTRAL },
1111 { 0x2223, 0x2223, SIC_NEUTRAL },
1112 { 0x2225, 0x2225, SIC_NEUTRAL },
1113 { 0x2227, 0x222c, SIC_NEUTRAL },
1114 { 0x222e, 0x222e, SIC_NEUTRAL },
1115 { 0x2234, 0x2237, SIC_NEUTRAL },
1116 { 0x223c, 0x223d, SIC_NEUTRAL },
1117 { 0x2248, 0x2248, SIC_NEUTRAL },
1118 { 0x224c, 0x224c, SIC_NEUTRAL },
1119 { 0x2252, 0x2252, SIC_NEUTRAL },
1120 { 0x2260, 0x2261, SIC_NEUTRAL },
1121 { 0x2264, 0x2267, SIC_NEUTRAL },
1122 { 0x226a, 0x226b, SIC_NEUTRAL },
1123 { 0x226e, 0x226f, SIC_NEUTRAL },
1124 { 0x2282, 0x2283, SIC_NEUTRAL },
1125 { 0x2286, 0x2287, SIC_NEUTRAL },
1126 { 0x2295, 0x2295, SIC_NEUTRAL },
1127 { 0x2299, 0x2299, SIC_NEUTRAL },
1128 { 0x22a5, 0x22a5, SIC_NEUTRAL },
1129 { 0x22bf, 0x22bf, SIC_NEUTRAL },
1130 { 0x2312, 0x2312, SIC_NEUTRAL },
1131 { 0x24ea, 0x24ea, SIC_COMPLEX },
1132 { 0x2500, 0x254b, SIC_NEUTRAL },
1133 { 0x2550, 0x256d, SIC_NEUTRAL },
1134 { 0x256e, 0x2574, SIC_NEUTRAL },
1135 { 0x2581, 0x258f, SIC_NEUTRAL },
1136 { 0x2592, 0x2595, SIC_NEUTRAL },
1137 { 0x25a0, 0x25a1, SIC_NEUTRAL },
1138 { 0x25a3, 0x25a9, SIC_NEUTRAL },
1139 { 0x25b2, 0x25b3, SIC_NEUTRAL },
1140 { 0x25b6, 0x25b7, SIC_NEUTRAL },
1141 { 0x25bc, 0x25bd, SIC_NEUTRAL },
1142 { 0x25c0, 0x25c1, SIC_NEUTRAL },
1143 { 0x25c6, 0x25c8, SIC_NEUTRAL },
1144 { 0x25cb, 0x25cb, SIC_NEUTRAL },
1145 { 0x25ce, 0x25d1, SIC_NEUTRAL },
1146 { 0x25e2, 0x25e5, SIC_NEUTRAL },
1147 { 0x25ef, 0x25ef, SIC_NEUTRAL },
1148 { 0x2605, 0x2606, SIC_NEUTRAL },
1149 { 0x2609, 0x2609, SIC_NEUTRAL },
1150 { 0x260e, 0x260f, SIC_NEUTRAL },
1151 { 0x261c, 0x261c, SIC_NEUTRAL },
1152 { 0x261e, 0x261e, SIC_NEUTRAL },
1153 { 0x2640, 0x2640, SIC_NEUTRAL },
1154 { 0x2642, 0x2642, SIC_NEUTRAL },
1155 { 0x2660, 0x2661, SIC_NEUTRAL },
1156 { 0x2663, 0x2665, SIC_NEUTRAL },
1157 { 0x2667, 0x266a, SIC_NEUTRAL },
1158 { 0x266c, 0x266d, SIC_NEUTRAL },
1159 { 0x266f, 0x266f, SIC_NEUTRAL },
1160 { 0x273d, 0x273d, SIC_NEUTRAL },
1161 { 0x2e80, 0x312f, SIC_COMPLEX },
1162 { 0x3190, 0x31bf, SIC_COMPLEX },
1163 { 0x31f0, 0x31ff, SIC_COMPLEX },
1164 { 0x3220, 0x325f, SIC_COMPLEX },
1165 { 0x3280, 0xa4ff, SIC_COMPLEX },
1166 { 0xd800, 0xdfff, SIC_COMPLEX },
1167 { 0xe000, 0xf8ff, SIC_NEUTRAL },
1168 { 0xf900, 0xfaff, SIC_COMPLEX },
1169 { 0xfb13, 0xfb28, SIC_COMPLEX },
1170 { 0xfb29, 0xfb29, SIC_NEUTRAL },
1171 { 0xfb2a, 0xfb4f, SIC_COMPLEX },
1172 { 0xfd3e, 0xfd3f, SIC_NEUTRAL },
1173 { 0xfdd0, 0xfdef, SIC_COMPLEX },
1174 { 0xfe20, 0xfe6f, SIC_COMPLEX },
1175 { 0xfeff, 0xfeff, SIC_COMPLEX },
1176 { 0xff01, 0xff5e, SIC_COMPLEX },
1177 { 0xff61, 0xff9f, SIC_COMPLEX },
1178 { 0xffe0, 0xffe6, SIC_COMPLEX },
1179 { 0xffe8, 0xffee, SIC_COMPLEX },
1180 { 0xfff9, 0xfffb, SIC_COMPLEX },
1181 { 0xfffe, 0xfffe, SIC_COMPLEX }
1184 /***********************************************************************
1185 * ScriptIsComplex (USP10.@)
1187 * Determine if a string is complex.
1190 * chars [I] Array of characters to test.
1191 * len [I] Length in characters.
1199 * Behaviour matches that of WinXP.
1201 HRESULT WINAPI ScriptIsComplex(const WCHAR *chars, int len, DWORD flag)
1205 TRACE("(%s,%d,0x%x)\n", debugstr_wn(chars, len), len, flag);
1207 for (i = 0; i < len; i++)
1209 for (j = 0; j < sizeof(complex_ranges)/sizeof(complex_ranges[0]); j++)
1211 if (chars[i] >= complex_ranges[j].start &&
1212 chars[i] <= complex_ranges[j].end &&
1213 (flag & complex_ranges[j].flag)) return S_OK;
1219 /***********************************************************************
1220 * ScriptShape (USP10.@)
1222 * Produce glyphs and visual attributes for a run.
1225 * hdc [I] Device context.
1226 * psc [I/O] Opaque pointer to a script cache.
1227 * pwcChars [I] Array of characters specifying the run.
1228 * cChars [I] Number of characters in pwcChars.
1229 * cMaxGlyphs [I] Length of pwOutGlyphs.
1230 * psa [I/O] Script analysis.
1231 * pwOutGlyphs [O] Array of glyphs.
1232 * pwLogClust [O] Array of logical cluster info.
1233 * psva [O] Array of visual attributes.
1234 * pcGlyphs [O] Number of glyphs returned.
1238 * Failure: Non-zero HRESULT value.
1240 HRESULT WINAPI ScriptShape(HDC hdc, SCRIPT_CACHE *psc, const WCHAR *pwcChars,
1241 int cChars, int cMaxGlyphs,
1242 SCRIPT_ANALYSIS *psa, WORD *pwOutGlyphs, WORD *pwLogClust,
1243 SCRIPT_VISATTR *psva, int *pcGlyphs)
1249 TRACE("(%p, %p, %p, %d, %d, %p)\n", hdc, psc, pwcChars, cChars, cMaxGlyphs, psa);
1250 if (psa) TRACE("psa values: %d, %d, %d, %d, %d, %d, %d\n", psa->eScript, psa->fRTL, psa->fLayoutRTL,
1251 psa->fLinkBefore, psa->fLinkAfter, psa->fLogicalOrder, psa->fNoGlyphIndex);
1253 if (!psva || !pcGlyphs) return E_INVALIDARG;
1254 if (cChars > cMaxGlyphs) return E_OUTOFMEMORY;
1256 hr = get_script_cache(hdc, psc);
1257 if (hr != S_OK) return hr;
1261 hfont = select_cached_font(psc);
1263 if ((get_cache_pitch_family(psc) & TMPF_TRUETYPE) && !psa->fNoGlyphIndex)
1265 GetGlyphIndicesW(get_cache_hdc(psc), pwcChars, cChars, pwOutGlyphs, 0);
1269 TRACE("no glyph translation\n");
1270 for (cnt = 0; cnt < cChars; cnt++) pwOutGlyphs[cnt] = pwcChars[cnt];
1275 /* set up a valid SCRIPT_VISATTR and LogClust for each char in this run */
1276 for (cnt = 0; cnt < cChars; cnt++)
1278 /* FIXME: set to better values */
1279 psva[cnt].uJustification = 2;
1280 psva[cnt].fClusterStart = 1;
1281 psva[cnt].fDiacritic = 0;
1282 psva[cnt].fZeroWidth = 0;
1284 if (pwLogClust) pwLogClust[cnt] = cnt;
1287 unselect_cached_font(psc, hfont);
1291 /***********************************************************************
1292 * ScriptPlace (USP10.@)
1294 * Produce advance widths for a run.
1297 * hdc [I] Device context.
1298 * psc [I/O] Opaque pointer to a script cache.
1299 * pwGlyphs [I] Array of glyphs.
1300 * cGlyphs [I] Number of glyphs in pwGlyphs.
1301 * psva [I] Array of visual attributes.
1302 * psa [I/O] String analysis.
1303 * piAdvance [O] Array of advance widths.
1304 * pGoffset [O] Glyph offsets.
1305 * pABC [O] Combined ABC width.
1309 * Failure: Non-zero HRESULT value.
1311 HRESULT WINAPI ScriptPlace(HDC hdc, SCRIPT_CACHE *psc, const WORD *pwGlyphs,
1312 int cGlyphs, const SCRIPT_VISATTR *psva,
1313 SCRIPT_ANALYSIS *psa, int *piAdvance, GOFFSET *pGoffset, ABC *pABC )
1320 TRACE("(%p, %p, %p, %s, %d, %p, %p, %p)\n", hdc, psc, pwGlyphs,
1321 debugstr_wn(pwGlyphs, cGlyphs), cGlyphs, psva, psa, piAdvance);
1323 if (!psva) return E_INVALIDARG;
1325 hr = get_script_cache(hdc, psc);
1326 if (hr != S_OK) return hr;
1328 hfont = select_cached_font(psc);
1330 /* Here we need to calculate the width of the run unit. At this point the input string
1331 * has been converted to glyphs and we still need to translate back to the original chars
1332 * to get the correct ABC widths. */
1334 if (!(lpABC = heap_alloc_zero(sizeof(ABC) * cGlyphs))) return E_OUTOFMEMORY;
1335 if (pABC) memset(pABC, 0, sizeof(ABC));
1337 if ((get_cache_pitch_family(psc) & TMPF_TRUETYPE) && !psa->fNoGlyphIndex)
1339 GetCharABCWidthsI(get_cache_hdc(psc), 0, cGlyphs, (WORD *)pwGlyphs, lpABC);
1344 for (i = 0; i < cGlyphs; i++)
1346 GetCharWidth32W(get_cache_hdc(psc), pwGlyphs[i], pwGlyphs[i], &width);
1347 lpABC[i].abcB = width;
1351 for (i = 0; i < cGlyphs; i++)
1353 TRACE(" Glyph=%04x, abcA=%d, abcB=%d, abcC=%d index=%d\n",
1354 pwGlyphs[i], lpABC[i].abcA, lpABC[i].abcB, lpABC[i].abcC, i);
1358 pABC->abcA += lpABC[i].abcA;
1359 pABC->abcB += lpABC[i].abcB;
1360 pABC->abcC += lpABC[i].abcC;
1362 /* FIXME: set to more reasonable values */
1363 if (pGoffset) pGoffset[i].du = pGoffset[i].dv = 0;
1364 if (piAdvance) piAdvance[i] = lpABC[i].abcA + lpABC[i].abcB + lpABC[i].abcC;
1366 if (pABC) TRACE("Total for run: abcA=%d, abcB=%d, abcC=%d\n", pABC->abcA, pABC->abcB, pABC->abcC);
1369 unselect_cached_font(psc, hfont);
1373 /***********************************************************************
1374 * ScriptGetCMap (USP10.@)
1376 * Retrieve glyph indices.
1379 * hdc [I] Device context.
1380 * psc [I/O] Opaque pointer to a script cache.
1381 * pwcInChars [I] Array of Unicode characters.
1382 * cChars [I] Number of characters in pwcInChars.
1383 * dwFlags [I] Flags.
1384 * pwOutGlyphs [O] Buffer to receive the array of glyph indices.
1388 * Failure: Non-zero HRESULT value.
1390 HRESULT WINAPI ScriptGetCMap(HDC hdc, SCRIPT_CACHE *psc, const WCHAR *pwcInChars,
1391 int cChars, DWORD dwFlags, WORD *pwOutGlyphs)
1396 TRACE("(%p,%p,%s,%d,0x%x,%p)\n", hdc, psc, debugstr_wn(pwcInChars, cChars),
1397 cChars, dwFlags, pwOutGlyphs);
1399 hr = get_script_cache(hdc, psc);
1400 if (hr != S_OK) return hr;
1402 hfont = select_cached_font(psc);
1403 if (GetGlyphIndicesW(get_cache_hdc(psc), pwcInChars, cChars, pwOutGlyphs, 0) == GDI_ERROR)
1406 unselect_cached_font(psc, hfont);
1410 /***********************************************************************
1411 * ScriptTextOut (USP10.@)
1414 HRESULT WINAPI ScriptTextOut(const HDC hdc, SCRIPT_CACHE *psc, int x, int y, UINT fuOptions,
1415 const RECT *lprc, const SCRIPT_ANALYSIS *psa, const WCHAR *pwcReserved,
1416 int iReserved, const WORD *pwGlyphs, int cGlyphs, const int *piAdvance,
1417 const int *piJustify, const GOFFSET *pGoffset)
1421 TRACE("(%p, %p, %d, %d, %04x, %p, %p, %p, %d, %p, %d, %p, %p, %p)\n",
1422 hdc, psc, x, y, fuOptions, lprc, psa, pwcReserved, iReserved, pwGlyphs, cGlyphs,
1423 piAdvance, piJustify, pGoffset);
1425 if (!hdc || !psc) return E_INVALIDARG;
1426 if (!piAdvance || !psa || !pwGlyphs) return E_INVALIDARG;
1428 fuOptions &= ETO_CLIPPED + ETO_OPAQUE;
1429 if (!psa->fNoGlyphIndex) /* Have Glyphs? */
1430 fuOptions |= ETO_GLYPH_INDEX; /* Say don't do translation to glyph */
1432 if (!ExtTextOutW(hdc, x, y, fuOptions, lprc, pwGlyphs, cGlyphs, NULL))
1438 /***********************************************************************
1439 * ScriptCacheGetHeight (USP10.@)
1441 * Retrieve the height of the font in the cache.
1444 * hdc [I] Device context.
1445 * psc [I/O] Opaque pointer to a script cache.
1446 * height [O] Receives font height.
1450 * Failure: Non-zero HRESULT value.
1452 HRESULT WINAPI ScriptCacheGetHeight(HDC hdc, SCRIPT_CACHE *psc, LONG *height)
1456 TRACE("(%p, %p, %p)\n", hdc, psc, height);
1458 if (!height) return E_INVALIDARG;
1460 hr = get_script_cache(hdc, psc);
1461 if (hr != S_OK) return hr;
1463 *height = get_cache_height(psc);
1467 /***********************************************************************
1468 * ScriptGetGlyphABCWidth (USP10.@)
1470 * Retrieve the width of a glyph.
1473 * hdc [I] Device context.
1474 * psc [I/O] Opaque pointer to a script cache.
1475 * glyph [I] Glyph to retrieve the width for.
1476 * abc [O] ABC widths of the glyph.
1480 * Failure: Non-zero HRESULT value.
1482 HRESULT WINAPI ScriptGetGlyphABCWidth(HDC hdc, SCRIPT_CACHE *psc, WORD glyph, ABC *abc)
1487 TRACE("(%p, %p, 0x%04x, %p)\n", hdc, psc, glyph, abc);
1489 hr = get_script_cache(hdc, psc);
1490 if (hr != S_OK) return hr;
1492 hfont = select_cached_font(psc);
1493 if (!GetCharABCWidthsI(get_cache_hdc(psc), 0, 1, &glyph, abc)) hr = E_HANDLE;
1495 unselect_cached_font(psc, hfont);
1499 /***********************************************************************
1500 * ScriptLayout (USP10.@)
1502 * Map embedding levels to visual and/or logical order.
1505 * runs [I] Size of level array.
1506 * level [I] Array of embedding levels.
1507 * vistolog [O] Map of embedding levels from visual to logical order.
1508 * logtovis [O] Map of embedding levels from logical to visual order.
1512 * Failure: Non-zero HRESULT value.
1515 * This stub works correctly for any sequence of a single
1516 * embedding level but not for sequences of different
1517 * embedding levels, i.e. mixtures of RTL and LTR scripts.
1519 HRESULT WINAPI ScriptLayout(int runs, const BYTE *level, int *vistolog, int *logtovis)
1521 int i, j = runs - 1, k = 0;
1523 TRACE("(%d, %p, %p, %p)\n", runs, level, vistolog, logtovis);
1525 if (!level || (!vistolog && !logtovis))
1526 return E_INVALIDARG;
1528 for (i = 0; i < runs; i++)
1532 if (vistolog) *vistolog++ = j;
1533 if (logtovis) *logtovis++ = j;
1538 if (vistolog) *vistolog++ = k;
1539 if (logtovis) *logtovis++ = k;
1546 /***********************************************************************
1547 * ScriptStringGetLogicalWidths (USP10.@)
1549 * Returns logical widths from a string analysis.
1552 * ssa [I] string analysis.
1553 * piDx [O] logical widths returned.
1557 * Failure: a non-zero HRESULT.
1559 HRESULT WINAPI ScriptStringGetLogicalWidths(SCRIPT_STRING_ANALYSIS ssa, int *piDx)
1562 StringAnalysis *analysis = ssa;
1564 TRACE("%p, %p\n", ssa, piDx);
1566 if (!analysis) return S_FALSE;
1568 for (i = 0; i < analysis->numItems; i++)
1570 for (j = 0; j < analysis->glyphs[i].numGlyphs; j++)
1572 piDx[next] = analysis->glyphs[i].piAdvance[j];
1579 /***********************************************************************
1580 * ScriptStringValidate (USP10.@)
1582 * Validate a string analysis.
1585 * ssa [I] string analysis.
1589 * Failure: S_FALSE if invalid sequences are found
1590 * or a non-zero HRESULT if it fails.
1592 HRESULT WINAPI ScriptStringValidate(SCRIPT_STRING_ANALYSIS ssa)
1594 StringAnalysis *analysis = ssa;
1596 TRACE("(%p)\n", ssa);
1598 if (!analysis) return E_INVALIDARG;
1599 return (analysis->invalid) ? S_FALSE : S_OK;
1602 /***********************************************************************
1603 * ScriptString_pSize (USP10.@)
1605 * Retrieve width and height of an analysed string.
1608 * ssa [I] string analysis.
1611 * Success: Pointer to a SIZE structure.
1614 const SIZE * WINAPI ScriptString_pSize(SCRIPT_STRING_ANALYSIS ssa)
1617 StringAnalysis *analysis = ssa;
1619 TRACE("(%p)\n", ssa);
1621 if (!analysis) return NULL;
1625 if (!(analysis->sz = heap_alloc(sizeof(SIZE)))) return NULL;
1626 analysis->sz->cy = analysis->sc->tm.tmHeight;
1628 analysis->sz->cx = 0;
1629 for (i = 0; i < analysis->numItems; i++)
1630 for (j = 0; j < analysis->glyphs[i].numGlyphs; j++)
1631 analysis->sz->cx += analysis->glyphs[i].piAdvance[j];
1633 return analysis->sz;
1636 /***********************************************************************
1637 * ScriptString_pLogAttr (USP10.@)
1639 * Retrieve logical attributes of an analysed string.
1642 * ssa [I] string analysis.
1645 * Success: Pointer to an array of SCRIPT_LOGATTR structures.
1648 const SCRIPT_LOGATTR * WINAPI ScriptString_pLogAttr(SCRIPT_STRING_ANALYSIS ssa)
1650 StringAnalysis *analysis = ssa;
1652 TRACE("(%p)\n", ssa);
1654 if (!analysis) return NULL;
1655 return analysis->logattrs;
1658 /***********************************************************************
1659 * ScriptString_pcOutChars (USP10.@)
1661 * Retrieve the length of a string after clipping.
1664 * ssa [I] String analysis.
1667 * Success: Pointer to the length.
1670 const int * WINAPI ScriptString_pcOutChars(SCRIPT_STRING_ANALYSIS ssa)
1672 StringAnalysis *analysis = ssa;
1674 TRACE("(%p)\n", ssa);
1676 if (!analysis) return NULL;
1677 return &analysis->clip_len;
1680 /***********************************************************************
1681 * ScriptStringGetOrder (USP10.@)
1683 * Retrieve a glyph order map.
1686 * ssa [I] String analysis.
1687 * order [I/O] Array of glyph positions.
1691 * Failure: a non-zero HRESULT.
1693 HRESULT WINAPI ScriptStringGetOrder(SCRIPT_STRING_ANALYSIS ssa, UINT *order)
1695 unsigned int i, j, k;
1696 StringAnalysis *analysis = ssa;
1698 TRACE("(%p)\n", ssa);
1700 if (!analysis) return S_FALSE;
1702 /* FIXME: handle RTL scripts */
1703 for (i = 0, k = 0; i < analysis->numItems; i++)
1704 for (j = 0; j < analysis->glyphs[i].numGlyphs; j++, k++)
1710 /***********************************************************************
1711 * ScriptGetLogicalWidths (USP10.@)
1713 * Convert advance widths to logical widths.
1716 * sa [I] Script analysis.
1717 * nbchars [I] Number of characters.
1718 * nbglyphs [I] Number of glyphs.
1719 * glyph_width [I] Array of glyph widths.
1720 * log_clust [I] Array of logical clusters.
1721 * sva [I] Visual attributes.
1722 * widths [O] Array of logical widths.
1726 * Failure: a non-zero HRESULT.
1728 HRESULT WINAPI ScriptGetLogicalWidths(const SCRIPT_ANALYSIS *sa, int nbchars, int nbglyphs,
1729 const int *glyph_width, const WORD *log_clust,
1730 const SCRIPT_VISATTR *sva, int *widths)
1734 TRACE("(%p, %d, %d, %p, %p, %p, %p)\n",
1735 sa, nbchars, nbglyphs, glyph_width, log_clust, sva, widths);
1738 for (i = 0; i < nbchars; i++) widths[i] = glyph_width[i];