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"
39 * some documentation here:
40 * http://www.microsoft.com/typography/developers/uniscribe/uniscribe.htm
43 WINE_DEFAULT_DEBUG_CHANNEL(uniscribe);
45 static const SCRIPT_PROPERTIES props[] =
47 { 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0 },
48 { 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0 },
49 { 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0 },
50 { 9, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0 },
51 { 9, 1, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0 },
52 { 9, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 1, 0, 0 },
53 { 9, 1, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 1, 0, 0 },
54 { 8, 0, 0, 0, 0, 161, 0, 0, 0, 0, 0, 0, 0, 0, 0 },
55 { 25, 0, 0, 0, 0, 204, 0, 0, 0, 0, 0, 0, 0, 0, 0 },
56 { 43, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 1, 0, 0 },
57 { 55, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 1, 0, 0 },
58 { 42, 0, 0, 0, 0, 163, 0, 0, 0, 0, 0, 0, 0, 0, 0 },
59 { 9, 0, 1, 0, 1, 1, 0, 0, 0, 0, 0, 0, 1, 0, 0 },
60 { 0, 0, 0, 0, 0, 1, 0, 1, 0, 0, 0, 0, 1, 0, 0 },
61 { 9, 0, 0, 0, 0, 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 { 18, 0, 0, 0, 1, 0, 0, 0, 0, 0, 0, 0, 1, 0, 0 },
66 { 18, 0, 1, 0, 1, 0, 0, 0, 0, 0, 0, 0, 1, 0, 0 },
67 { 9, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 1, 0, 0 },
68 { 9, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 1, 0, 0 },
69 { 9, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 1, 0, 0 },
70 { 9, 0, 1, 0, 0, 0, 1, 0, 0, 0, 0, 0, 1, 0, 0 },
71 { 13, 0, 1, 0, 1, 177, 0, 0, 0, 0, 0, 0, 0, 0, 0 },
72 { 13, 0, 1, 0, 0, 177, 0, 0, 0, 0, 0, 0, 0, 0, 0 },
73 { 1, 0, 1, 0, 0, 178, 0, 0, 0, 0, 0, 0, 1, 1, 0 },
74 { 1, 1, 1, 0, 0, 178, 0, 0, 0, 0, 0, 0, 1, 0, 0 },
75 { 41, 1, 1, 0, 0, 178, 0, 0, 0, 0, 0, 0, 0, 0, 0 },
76 { 32, 1, 1, 0, 0, 178, 0, 0, 0, 0, 0, 0, 0, 0, 0 },
77 { 90, 0, 1, 0, 0, 1, 0, 0, 0, 0, 1, 0, 0, 1, 0 },
78 { 30, 0, 1, 1, 1, 222, 0, 0, 1, 0, 1, 0, 0, 0, 1 },
79 { 30, 1, 1, 0, 0, 222, 0, 0, 0, 0, 0, 0, 0, 0, 0 },
80 { 30, 0, 1, 0, 0, 222, 0, 0, 0, 0, 0, 0, 0, 0, 0 },
81 { 57, 0, 1, 0, 1, 1, 0, 0, 0, 0, 1, 0, 0, 0, 0 },
82 { 57, 1, 1, 0, 0, 1, 0, 0, 0, 0, 0, 0, 0, 0, 0 },
83 { 73, 0, 1, 0, 1, 1, 0, 0, 0, 0, 1, 0, 0, 0, 0 },
84 { 73, 1, 1, 0, 0, 1, 0, 0, 0, 0, 0, 0, 0, 0, 0 },
85 { 69, 0, 1, 0, 1, 1, 0, 0, 0, 0, 1, 0, 0, 0, 0 },
86 { 69, 1, 1, 0, 0, 1, 0, 0, 0, 0, 0, 0, 0, 0, 0 },
87 { 69, 0, 1, 0, 0, 1, 0, 0, 0, 0, 0, 0, 0, 0, 0 },
88 { 70, 0, 1, 0, 1, 1, 0, 0, 0, 0, 1, 0, 0, 0, 0 },
89 { 70, 1, 1, 0, 0, 1, 0, 0, 0, 0, 0, 0, 0, 0, 0 },
90 { 71, 0, 1, 0, 1, 1, 0, 0, 0, 0, 1, 0, 0, 0, 0 },
91 { 71, 1, 1, 0, 0, 1, 0, 0, 0, 0, 0, 0, 0, 0, 0 },
92 { 72, 0, 1, 0, 1, 1, 0, 0, 0, 0, 1, 0, 0, 0, 0 },
93 { 72, 1, 1, 0, 0, 1, 0, 0, 0, 0, 0, 0, 0, 0, 0 },
94 { 74, 0, 1, 0, 1, 1, 0, 0, 0, 0, 1, 0, 0, 0, 0 },
95 { 74, 1, 1, 0, 0, 1, 0, 0, 0, 0, 0, 0, 0, 0, 0 },
96 { 75, 0, 1, 0, 1, 1, 0, 0, 0, 0, 1, 0, 0, 0, 0 },
97 { 75, 1, 1, 0, 0, 1, 0, 0, 0, 0, 0, 0, 0, 0, 0 },
98 { 76, 0, 1, 0, 1, 1, 0, 0, 0, 0, 1, 0, 0, 0, 0 },
99 { 76, 1, 1, 0, 0, 1, 0, 0, 0, 0, 0, 0, 0, 0, 0 },
100 { 81, 0, 1, 1, 1, 1, 0, 0, 1, 0, 1, 0, 0, 0, 0 },
101 { 81, 1, 1, 0, 0, 1, 0, 0, 0, 0, 0, 0, 0, 0, 0 },
102 { 84, 0, 1, 1, 1, 1, 0, 0, 1, 0, 1, 0, 0, 0, 0 },
103 { 84, 1, 1, 0, 0, 1, 0, 0, 0, 0, 0, 0, 0, 0, 0 },
104 { 83, 0, 1, 1, 1, 1, 0, 0, 0, 0, 1, 0, 0, 0, 0 },
105 { 83, 1, 1, 0, 0, 1, 0, 0, 0, 0, 0, 0, 0, 0, 0 },
106 { 85, 0, 1, 1, 1, 1, 0, 0, 0, 0, 1, 0, 0, 0, 0 },
107 { 85, 1, 1, 0, 0, 1, 0, 0, 0, 0, 0, 0, 0, 0, 0 },
108 { 80, 0, 1, 0, 0, 1, 0, 0, 0, 0, 0, 0, 0, 0, 0 },
109 { 80, 1, 1, 0, 0, 1, 0, 0, 0, 0, 0, 0, 0, 0, 0 },
110 { 94, 0, 1, 0, 0, 1, 0, 0, 0, 0, 0, 0, 0, 0, 0 },
111 { 94, 1, 1, 0, 0, 1, 0, 0, 0, 0, 0, 0, 0, 0, 0 },
112 { 101, 0, 1, 0, 1, 1, 0, 0, 0, 0, 0, 0, 0, 0, 0 },
113 { 93, 0, 1, 0, 0, 1, 0, 0, 0, 0, 0, 0, 0, 0, 0 },
114 { 92, 0, 1, 0, 0, 1, 0, 0, 0, 0, 0, 0, 0, 0, 0 },
115 { 9, 0, 1, 0, 0, 1, 0, 0, 0, 0, 0, 0, 0, 0, 0 },
116 { 0, 0, 1, 0, 0, 1, 0, 0, 0, 0, 0, 0, 0, 0, 0 },
117 { 0, 0, 1, 0, 0, 1, 0, 0, 0, 0, 0, 0, 0, 0, 0 },
118 { 91, 0, 1, 0, 1, 1, 0, 0, 0, 0, 0, 0, 0, 0, 0 },
119 { 9, 0, 1, 0, 1, 0, 0, 0, 0, 0, 0, 1, 1, 0, 0 },
120 { 0, 1, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0 },
123 static const SCRIPT_PROPERTIES *script_props[] =
125 &props[0], &props[1], &props[2], &props[3],
126 &props[4], &props[5], &props[6], &props[7],
127 &props[8], &props[9], &props[11], &props[12],
128 &props[13], &props[14], &props[15], &props[16],
129 &props[17], &props[18], &props[19], &props[20],
130 &props[21], &props[22], &props[23], &props[24],
131 &props[25], &props[26], &props[27], &props[28],
132 &props[29], &props[30], &props[31], &props[32],
133 &props[33], &props[34], &props[35], &props[36],
134 &props[37], &props[38], &props[39], &props[40],
135 &props[41], &props[42], &props[43], &props[44],
136 &props[45], &props[46], &props[47], &props[48],
137 &props[49], &props[50], &props[51], &props[52],
138 &props[53], &props[54], &props[55], &props[56],
139 &props[57], &props[58], &props[59], &props[60],
140 &props[61], &props[62], &props[63], &props[64],
141 &props[65], &props[66], &props[67], &props[68],
142 &props[69], &props[70], &props[71], &props[72],
155 SCRIPT_VISATTR* psva;
168 StringGlyphs* glyphs;
169 SCRIPT_LOGATTR* logattrs;
173 static inline void *usp_alloc(SIZE_T size)
175 return HeapAlloc(GetProcessHeap(), 0, size);
178 static inline void *usp_zero_alloc(SIZE_T size)
180 return HeapAlloc(GetProcessHeap(), HEAP_ZERO_MEMORY, size);
183 static inline void *usp_zero_realloc(LPVOID mem, SIZE_T size)
185 return HeapReAlloc(GetProcessHeap(), HEAP_ZERO_MEMORY, mem, size);
188 static inline void usp_free(LPVOID mem)
190 HeapFree(GetProcessHeap(), 0, mem);
193 static HRESULT get_script_cache(const HDC hdc, SCRIPT_CACHE *psc)
195 if (!psc) return E_INVALIDARG;
198 if (!hdc) return E_PENDING;
199 if (!(*psc = usp_alloc(sizeof(ScriptCache)))) return E_OUTOFMEMORY;
200 ((ScriptCache *)*psc)->hdc = hdc;
205 /***********************************************************************
209 BOOL WINAPI DllMain(HINSTANCE hInstDLL, DWORD fdwReason, LPVOID lpv)
213 case DLL_PROCESS_ATTACH:
214 DisableThreadLibraryCalls(hInstDLL);
216 case DLL_PROCESS_DETACH:
222 /***********************************************************************
223 * ScriptFreeCache (USP10.@)
225 * Free a script cache.
228 * psc [I/O] Script cache.
232 * Failure: Non-zero HRESULT value.
234 HRESULT WINAPI ScriptFreeCache(SCRIPT_CACHE *psc)
246 /***********************************************************************
247 * ScriptGetProperties (USP10.@)
249 * Retrieve a list of script properties.
252 * props [I] Pointer to an array of SCRIPT_PROPERTIES pointers.
253 * num [I] Pointer to the number of scripts.
257 * Failure: Non-zero HRESULT value.
260 * Behaviour matches WinXP.
262 HRESULT WINAPI ScriptGetProperties(const SCRIPT_PROPERTIES ***props, int *num)
264 TRACE("(%p,%p)\n", props, num);
266 if (!props && !num) return E_INVALIDARG;
268 if (num) *num = sizeof(script_props)/sizeof(script_props[0]);
269 if (props) *props = script_props;
274 /***********************************************************************
275 * ScriptGetFontProperties (USP10.@)
277 * Get information on special glyphs.
280 * hdc [I] Device context.
281 * psc [I/O] Opaque pointer to a script cache.
282 * sfp [O] Font properties structure.
284 HRESULT WINAPI ScriptGetFontProperties(HDC hdc, SCRIPT_CACHE *psc, SCRIPT_FONTPROPERTIES *sfp)
289 TRACE("%p,%p,%p\n", hdc, psc, sfp);
291 if (!sfp) return E_INVALIDARG;
292 if ((hr = get_script_cache(hdc, psc))) return hr;
294 if (sfp->cBytes != sizeof(SCRIPT_FONTPROPERTIES))
297 /* return something sensible? */
299 if (GetTextMetricsW(((ScriptCache *)*psc)->hdc, &ptm))
300 sfp->wgDefault = ptm.tmDefaultChar;
304 sfp->wgKashida = 0xffff;
305 sfp->iKashidaWidth = 0;
310 /***********************************************************************
311 * ScriptRecordDigitSubstitution (USP10.@)
313 * Record digit substitution settings for a given locale.
316 * locale [I] Locale identifier.
317 * sds [I] Structure to record substitution settings.
321 * Failure: E_POINTER if sds is NULL, E_INVALIDARG otherwise.
324 * http://blogs.msdn.com/michkap/archive/2006/02/22/536877.aspx
326 HRESULT WINAPI ScriptRecordDigitSubstitution(LCID locale, SCRIPT_DIGITSUBSTITUTE *sds)
330 TRACE("0x%x, %p\n", locale, sds);
332 /* This implementation appears to be correct for all languages, but it's
333 * not clear if sds->DigitSubstitute is ever set to anything except
334 * CONTEXT or NONE in reality */
336 if (!sds) return E_POINTER;
338 locale = ConvertDefaultLocale(locale);
340 if (!IsValidLocale(locale, LCID_INSTALLED))
343 plgid = PRIMARYLANGID(LANGIDFROMLCID(locale));
344 sds->TraditionalDigitLanguage = plgid;
346 if (plgid == LANG_ARABIC || plgid == LANG_FARSI)
347 sds->NationalDigitLanguage = plgid;
349 sds->NationalDigitLanguage = LANG_ENGLISH;
351 if (!GetLocaleInfoW(locale, LOCALE_IDIGITSUBSTITUTION | LOCALE_RETURN_NUMBER,
352 (LPWSTR)&sub, sizeof(sub)/sizeof(WCHAR))) return E_INVALIDARG;
357 if (plgid == LANG_ARABIC || plgid == LANG_FARSI)
358 sds->DigitSubstitute = SCRIPT_DIGITSUBSTITUTE_CONTEXT;
360 sds->DigitSubstitute = SCRIPT_DIGITSUBSTITUTE_NONE;
363 sds->DigitSubstitute = SCRIPT_DIGITSUBSTITUTE_NONE;
366 sds->DigitSubstitute = SCRIPT_DIGITSUBSTITUTE_NATIONAL;
369 sds->DigitSubstitute = SCRIPT_DIGITSUBSTITUTE_TRADITIONAL;
377 /***********************************************************************
378 * ScriptApplyDigitSubstitution (USP10.@)
380 * Apply digit substitution settings.
383 * sds [I] Structure with recorded substitution settings.
384 * sc [I] Script control structure.
385 * ss [I] Script state structure.
389 * Failure: E_INVALIDARG if sds is invalid. Otherwise an HRESULT.
391 HRESULT WINAPI ScriptApplyDigitSubstitution(const SCRIPT_DIGITSUBSTITUTE *sds,
392 SCRIPT_CONTROL *sc, SCRIPT_STATE *ss)
394 SCRIPT_DIGITSUBSTITUTE psds;
396 TRACE("%p, %p, %p\n", sds, sc, ss);
398 if (!sc || !ss) return E_POINTER;
402 if (ScriptRecordDigitSubstitution(LOCALE_USER_DEFAULT, &psds) != S_OK)
406 sc->uDefaultLanguage = LANG_ENGLISH;
407 sc->fContextDigits = 0;
408 ss->fDigitSubstitute = 0;
410 switch (sds->DigitSubstitute) {
411 case SCRIPT_DIGITSUBSTITUTE_CONTEXT:
412 case SCRIPT_DIGITSUBSTITUTE_NATIONAL:
413 case SCRIPT_DIGITSUBSTITUTE_NONE:
414 case SCRIPT_DIGITSUBSTITUTE_TRADITIONAL:
421 /***********************************************************************
422 * ScriptItemize (USP10.@)
424 * Split a Unicode string into shapeable parts.
427 * pwcInChars [I] String to split.
428 * cInChars [I] Number of characters in pwcInChars.
429 * cMaxItems [I] Maximum number of items to return.
430 * psControl [I] Pointer to a SCRIPT_CONTROL structure.
431 * psState [I] Pointer to a SCRIPT_STATE structure.
432 * pItems [O] Buffer to receive SCRIPT_ITEM structures.
433 * pcItems [O] Number of script items returned.
437 * Failure: Non-zero HRESULT value.
439 HRESULT WINAPI ScriptItemize(const WCHAR *pwcInChars, int cInChars, int cMaxItems,
440 const SCRIPT_CONTROL *psControl, const SCRIPT_STATE *psState,
441 SCRIPT_ITEM *pItems, int *pcItems)
444 #define Numeric_start 0x0030
445 #define Numeric_stop 0x0039
446 #define Numeric_space 0x0020
447 #define Arabic_start 0x0600
448 #define Arabic_stop 0x06ff
449 #define Latin_start 0x0001
450 #define Latin_stop 0x024f
451 #define Script_Arabic 6
452 #define Script_Latin 1
453 #define Script_Numeric 5
455 int cnt = 0, index = 0;
456 int New_Script = SCRIPT_UNDEFINED;
458 TRACE("%s,%d,%d,%p,%p,%p,%p\n", debugstr_wn(pwcInChars, cInChars), cInChars, cMaxItems,
459 psControl, psState, pItems, pcItems);
461 if (!pwcInChars || !cInChars || !pItems || cMaxItems < 2)
464 pItems[index].iCharPos = 0;
465 memset(&pItems[index].a, 0, sizeof(SCRIPT_ANALYSIS));
467 if (pwcInChars[cnt] >= Numeric_start && pwcInChars[cnt] <= Numeric_stop)
468 pItems[index].a.eScript = Script_Numeric;
470 if (pwcInChars[cnt] >= Arabic_start && pwcInChars[cnt] <= Arabic_stop)
471 pItems[index].a.eScript = Script_Arabic;
473 if (pwcInChars[cnt] >= Latin_start && pwcInChars[cnt] <= Latin_stop)
474 pItems[index].a.eScript = Script_Latin;
476 if (pItems[index].a.eScript == Script_Arabic)
477 pItems[index].a.s.uBidiLevel = 1;
479 TRACE("New_Script=%d, eScript=%d index=%d cnt=%d iCharPos=%d\n",
480 New_Script, pItems[index].a.eScript, index, cnt,
481 pItems[index].iCharPos = cnt);
483 for (cnt=0; cnt < cInChars; cnt++)
485 if ((pwcInChars[cnt] >= Numeric_start && pwcInChars[cnt] <= Numeric_stop)
486 || (New_Script == Script_Numeric && pwcInChars[cnt] == Numeric_space))
487 New_Script = Script_Numeric;
489 if ((pwcInChars[cnt] >= Arabic_start && pwcInChars[cnt] <= Arabic_stop)
490 || (New_Script == Script_Arabic && pwcInChars[cnt] == Numeric_space))
491 New_Script = Script_Arabic;
493 if ((WCHAR) pwcInChars[cnt] >= Latin_start && (WCHAR) pwcInChars[cnt] <= Latin_stop)
494 New_Script = Script_Latin;
496 New_Script = SCRIPT_UNDEFINED;
498 if (New_Script != pItems[index].a.eScript)
500 TRACE("New_Script=%d, eScript=%d ", New_Script, pItems[index].a.eScript);
502 if (index+1 > cMaxItems)
503 return E_OUTOFMEMORY;
505 pItems[index].iCharPos = cnt;
506 memset(&pItems[index].a, 0, sizeof(SCRIPT_ANALYSIS));
508 if (New_Script == Script_Arabic)
509 pItems[index].a.s.uBidiLevel = 1;
511 pItems[index].a.eScript = New_Script;
512 if (New_Script == Script_Arabic)
513 pItems[index].a.s.uBidiLevel = 1;
515 TRACE("index=%d cnt=%d iCharPos=%d\n", index, cnt, pItems[index].iCharPos = cnt);
519 /* While not strictly necessary according to the spec, make sure the n+1
520 * item is set up to prevent random behaviour if the caller erroneously
521 * checks the n+1 structure */
522 memset(&pItems[index+1].a, 0, sizeof(SCRIPT_ANALYSIS));
524 TRACE("index=%d cnt=%d iCharPos=%d\n", index+1, cnt, pItems[index+1].iCharPos = cnt);
526 /* Set one SCRIPT_STATE item being returned */
527 *pcItems = index + 1;
529 /* Set SCRIPT_ITEM */
530 pItems[index+1].iCharPos = cnt; /* the last + 1 item
531 contains the ptr to the lastchar */
535 /***********************************************************************
536 * ScriptStringAnalyse (USP10.@)
539 HRESULT WINAPI ScriptStringAnalyse(HDC hdc, const void *pString, int cString,
540 int cGlyphs, int iCharset, DWORD dwFlags,
541 int iReqWidth, SCRIPT_CONTROL *psControl,
542 SCRIPT_STATE *psState, const int *piDx,
543 SCRIPT_TABDEF *pTabdef, const BYTE *pbInClass,
544 SCRIPT_STRING_ANALYSIS *pssa)
546 HRESULT hr = E_OUTOFMEMORY;
547 StringAnalysis *analysis = NULL;
548 int i, num_items = 255;
550 TRACE("(%p,%p,%d,%d,%d,0x%x,%d,%p,%p,%p,%p,%p,%p)\n",
551 hdc, pString, cString, cGlyphs, iCharset, dwFlags, iReqWidth,
552 psControl, psState, piDx, pTabdef, pbInClass, pssa);
556 FIXME("Only Unicode strings are supported\n");
559 if (cString < 1 || !pString) return E_INVALIDARG;
560 if ((dwFlags & SSA_GLYPHS) && !hdc) return E_PENDING;
562 if (!(analysis = usp_zero_alloc(sizeof(StringAnalysis)))) return E_OUTOFMEMORY;
563 if (!(analysis->pItem = usp_zero_alloc(num_items * sizeof(SCRIPT_ITEM) + 1))) goto error;
565 /* FIXME: handle clipping */
566 analysis->clip_len = cString;
568 hr = ScriptItemize(pString, cString, num_items, psControl, psState, analysis->pItem,
569 &analysis->numItems);
571 while (hr == E_OUTOFMEMORY)
576 if (!(tmp = usp_zero_realloc(analysis->pItem, num_items * sizeof(SCRIPT_ITEM) + 1)))
579 analysis->pItem = tmp;
580 hr = ScriptItemize(pString, cString, num_items, psControl, psState, analysis->pItem,
581 &analysis->numItems);
585 if ((analysis->logattrs = usp_alloc(sizeof(SCRIPT_LOGATTR) * cString)))
586 ScriptBreak(pString, cString, (SCRIPT_STRING_ANALYSIS)analysis, analysis->logattrs);
590 if (!(analysis->glyphs = usp_zero_alloc(sizeof(StringGlyphs) * analysis->numItems)))
593 for (i = 0; i < analysis->numItems; i++)
595 SCRIPT_CACHE *sc = (SCRIPT_CACHE *)&analysis->sc;
596 int cChar = analysis->pItem[i+1].iCharPos - analysis->pItem[i].iCharPos;
597 int numGlyphs = 1.5 * cChar + 16;
598 WORD *glyphs = usp_zero_alloc(sizeof(WORD) * numGlyphs);
599 WORD *pwLogClust = usp_zero_alloc(sizeof(WORD) * cChar);
600 int *piAdvance = usp_zero_alloc(sizeof(int) * numGlyphs);
601 SCRIPT_VISATTR *psva = usp_zero_alloc(sizeof(SCRIPT_VISATTR) * cChar);
602 GOFFSET *pGoffset = usp_zero_alloc(sizeof(GOFFSET) * numGlyphs);
603 ABC *abc = usp_zero_alloc(sizeof(ABC));
604 int numGlyphsReturned;
606 /* FIXME: non unicode strings */
607 WCHAR* pStr = (WCHAR*)pString;
608 hr = ScriptShape(hdc, sc, &pStr[analysis->pItem[i].iCharPos],
609 cChar, numGlyphs, &analysis->pItem[i].a,
610 glyphs, pwLogClust, psva, &numGlyphsReturned);
611 hr = ScriptPlace(hdc, sc, glyphs, numGlyphsReturned, psva, &analysis->pItem[i].a,
612 piAdvance, pGoffset, abc);
614 analysis->glyphs[i].numGlyphs = numGlyphsReturned;
615 analysis->glyphs[i].glyphs = glyphs;
616 analysis->glyphs[i].pwLogClust = pwLogClust;
617 analysis->glyphs[i].piAdvance = piAdvance;
618 analysis->glyphs[i].psva = psva;
619 analysis->glyphs[i].pGoffset = pGoffset;
620 analysis->glyphs[i].abc = abc;
627 usp_free(analysis->glyphs);
628 usp_free(analysis->logattrs);
629 usp_free(analysis->pItem);
634 /***********************************************************************
635 * ScriptStringOut (USP10.@)
637 * This function takes the output of ScriptStringAnalyse and joins the segments
638 * of glyphs and passes the resulting string to ScriptTextOut. ScriptStringOut
639 * only processes glyphs.
642 * ssa [I] buffer to hold the analysed string components
643 * iX [I] X axis displacement for output
644 * iY [I] Y axis displacement for output
645 * uOptions [I] flags controling output processing
646 * prc [I] rectangle coordinates
647 * iMinSel [I] starting pos for substringing output string
648 * iMaxSel [I] ending pos for substringing output string
649 * fDisabled [I] controls text highlighting
653 * Failure: is the value returned by ScriptTextOut
655 HRESULT WINAPI ScriptStringOut(SCRIPT_STRING_ANALYSIS ssa,
664 StringAnalysis *analysis;
669 TRACE("(%p,%d,%d,0x%1x,%p,%d,%d,%d)\n",
670 ssa, iX, iY, uOptions, prc, iMinSel, iMaxSel, fDisabled);
672 if (!(analysis = ssa)) return E_INVALIDARG;
675 * Get storage for the output buffer for the consolidated strings
678 for (item = 0; item < analysis->numItems; item++)
680 cnt += analysis->glyphs[item].numGlyphs;
682 if (!(glyphs = usp_alloc(sizeof(WCHAR) * cnt))) return E_OUTOFMEMORY;
685 * ScriptStringOut only processes glyphs hence set ETO_GLYPH_INDEX
687 uOptions |= ETO_GLYPH_INDEX;
688 analysis->pItem[0].a.fNoGlyphIndex = FALSE; /* say that we have glyphs */
691 * Copy the string items into the output buffer
694 TRACE("numItems %d\n", analysis->numItems);
697 for (item = 0; item < analysis->numItems; item++)
699 memcpy(&glyphs[cnt], analysis->glyphs[item].glyphs,
700 sizeof(WCHAR) * analysis->glyphs[item].numGlyphs);
702 TRACE("Item %d, Glyphs %d ", item, analysis->glyphs[item].numGlyphs);
703 for (x = cnt; x < analysis->glyphs[item].numGlyphs + cnt; x ++)
704 TRACE("%04x", glyphs[x]);
707 cnt += analysis->glyphs[item].numGlyphs; /* point to the end of the copied text */
710 hr = ScriptTextOut(analysis->sc->hdc, (SCRIPT_CACHE *)&analysis->sc, iX, iY,
711 uOptions, prc, &analysis->pItem->a, NULL, 0, glyphs, cnt,
712 analysis->glyphs->piAdvance, NULL, analysis->glyphs->pGoffset);
713 TRACE("ScriptTextOut hr=%08x\n", hr);
716 * Free the output buffer and script cache
722 /***********************************************************************
723 * ScriptStringCPtoX (USP10.@)
726 HRESULT WINAPI ScriptStringCPtoX(SCRIPT_STRING_ANALYSIS ssa, int icp, BOOL fTrailing, int* pX)
731 StringAnalysis* analysis = ssa;
733 TRACE("(%p), %d, %d, (%p)\n", ssa, icp, fTrailing, pX);
735 if (!ssa || !pX) return S_FALSE;
737 /* icp out of range */
740 analysis->invalid = TRUE;
744 for(i=0; i<analysis->numItems; i++)
746 for(j=0; j<analysis->glyphs[i].numGlyphs; j++)
748 if(runningCp == icp && fTrailing == FALSE)
753 runningX += analysis->glyphs[i].piAdvance[j];
754 if(runningCp == icp && fTrailing == TRUE)
763 /* icp out of range */
764 analysis->invalid = TRUE;
768 /***********************************************************************
769 * ScriptStringXtoCP (USP10.@)
772 HRESULT WINAPI ScriptStringXtoCP(SCRIPT_STRING_ANALYSIS ssa, int iX, int* piCh, int* piTrailing)
774 StringAnalysis* analysis = ssa;
781 TRACE("(%p), %d, (%p), (%p)\n", ssa, iX, piCh, piTrailing);
783 if (!ssa || !piCh || !piTrailing) return S_FALSE;
793 for(i=0; i<analysis->numItems; i++)
795 for(j=0; j<analysis->glyphs[i].numGlyphs; j++)
797 width = analysis->glyphs[i].piAdvance[j];
798 if(iX < (runningX + width))
801 if((iX - runningX) > width/2)
813 *piCh = analysis->pItem[analysis->numItems].iCharPos;
820 /***********************************************************************
821 * ScriptStringFree (USP10.@)
823 * Free a string analysis.
826 * pssa [I] string analysis.
830 * Failure: Non-zero HRESULT value.
832 HRESULT WINAPI ScriptStringFree(SCRIPT_STRING_ANALYSIS *pssa)
834 StringAnalysis* analysis;
838 TRACE("(%p)\n", pssa);
840 if (!pssa || !(analysis = *pssa)) return E_INVALIDARG;
841 invalid = analysis->invalid;
843 for (i = 0; i < analysis->numItems; i++)
845 usp_free(analysis->glyphs[i].glyphs);
846 usp_free(analysis->glyphs[i].pwLogClust);
847 usp_free(analysis->glyphs[i].piAdvance);
848 usp_free(analysis->glyphs[i].psva);
849 usp_free(analysis->glyphs[i].pGoffset);
850 usp_free(analysis->glyphs[i].abc);
853 usp_free(analysis->glyphs);
854 usp_free(analysis->pItem);
855 usp_free(analysis->logattrs);
856 usp_free(analysis->sz);
859 if (invalid) return E_INVALIDARG;
863 /***********************************************************************
864 * ScriptCPtoX (USP10.@)
867 HRESULT WINAPI ScriptCPtoX(int iCP,
871 const WORD *pwLogClust,
872 const SCRIPT_VISATTR *psva,
873 const int *piAdvance,
874 const SCRIPT_ANALYSIS *psa,
880 TRACE("(%d,%d,%d,%d,%p,%p,%p,%p,%p)\n",
881 iCP, fTrailing, cChars, cGlyphs, pwLogClust, psva, piAdvance,
883 for (item=0; item < cGlyphs; item++) /* total piAdvance */
884 fMaxPosX += piAdvance[item];
885 iPosX = (fMaxPosX/cGlyphs)*(iCP+fTrailing);
886 if (iPosX > fMaxPosX)
888 *piX = iPosX; /* Return something in range */
890 TRACE("*piX=%d\n", *piX);
894 /***********************************************************************
895 * ScriptXtoCP (USP10.@)
898 HRESULT WINAPI ScriptXtoCP(int iX,
901 const WORD *pwLogClust,
902 const SCRIPT_VISATTR *psva,
903 const int *piAdvance,
904 const SCRIPT_ANALYSIS *psa,
912 TRACE("(%d,%d,%d,%p,%p,%p,%p,%p,%p)\n",
913 iX, cChars, cGlyphs, pwLogClust, psva, piAdvance,
914 psa, piCP, piTrailing);
915 if (iX < 0) /* iX is before start of run */
922 for (item=0; item < cGlyphs; item++) /* total piAdvance */
923 fMaxPosX += piAdvance[item];
925 if (iX >= fMaxPosX) /* iX too large */
932 fAvePosX = fMaxPosX / cGlyphs;
934 for (item = 1; item < cGlyphs && iPosX < iX; item++)
936 if (iPosX - iX > fAvePosX/2)
939 *piTrailing = 1; /* yep we are over halfway */
941 *piCP = item -1; /* Return character position */
942 TRACE("*piCP=%d iPposX=%d\n", *piCP, iPosX);
946 /***********************************************************************
947 * ScriptBreak (USP10.@)
949 * Retrieve line break information.
952 * chars [I] Array of characters.
953 * sa [I] String analysis.
954 * la [I] Array of logical attribute structures.
960 HRESULT WINAPI ScriptBreak(const WCHAR *chars, int count, const SCRIPT_ANALYSIS *sa, SCRIPT_LOGATTR *la)
964 TRACE("(%s, %d, %p, %p)\n", debugstr_wn(chars, count), count, sa, la);
966 if (!la) return S_FALSE;
968 for (i = 0; i < count; i++)
970 memset(&la[i], 0, sizeof(SCRIPT_LOGATTR));
972 /* FIXME: set the other flags */
973 la[i].fWhiteSpace = isspaceW(chars[i]);
987 { 0, 0x0b, SIC_COMPLEX },
988 { 0x0c, 0x0c, SIC_NEUTRAL },
989 { 0x0d, 0x1f, SIC_COMPLEX },
990 { 0x20, 0x2f, SIC_NEUTRAL },
991 { 0x30, 0x39, SIC_ASCIIDIGIT },
992 { 0x3a, 0x40, SIC_NEUTRAL },
993 { 0x5b, 0x60, SIC_NEUTRAL },
994 { 0x7b, 0x7e, SIC_NEUTRAL },
995 { 0x7f, 0x9f, SIC_COMPLEX },
996 { 0xa0, 0xa5, SIC_NEUTRAL },
997 { 0xa7, 0xa8, SIC_NEUTRAL },
998 { 0xab, 0xab, SIC_NEUTRAL },
999 { 0xad, 0xad, SIC_NEUTRAL },
1000 { 0xaf, 0xaf, SIC_NEUTRAL },
1001 { 0xb0, 0xb1, SIC_NEUTRAL },
1002 { 0xb4, 0xb4, SIC_NEUTRAL },
1003 { 0xb6, 0xb8, SIC_NEUTRAL },
1004 { 0xbb, 0xbf, SIC_NEUTRAL },
1005 { 0xd7, 0xd7, SIC_NEUTRAL },
1006 { 0xf7, 0xf7, SIC_NEUTRAL },
1007 { 0x2b9, 0x2ba, SIC_NEUTRAL },
1008 { 0x2c2, 0x2cf, SIC_NEUTRAL },
1009 { 0x2d2, 0x2df, SIC_NEUTRAL },
1010 { 0x2e5, 0x2e9, SIC_COMPLEX },
1011 { 0x2ea, 0x2ed, SIC_NEUTRAL },
1012 { 0x300, 0x362, SIC_COMPLEX },
1013 { 0x530, 0x60b, SIC_COMPLEX },
1014 { 0x60c, 0x60d, SIC_NEUTRAL },
1015 { 0x60e, 0x669, SIC_COMPLEX },
1016 { 0x66a, 0x66a, SIC_NEUTRAL },
1017 { 0x66b, 0x6e8, SIC_COMPLEX },
1018 { 0x6e9, 0x6e9, SIC_NEUTRAL },
1019 { 0x6ea, 0x7bf, SIC_COMPLEX },
1020 { 0x900, 0x1360, SIC_COMPLEX },
1021 { 0x137d, 0x137f, SIC_COMPLEX },
1022 { 0x1680, 0x1680, SIC_NEUTRAL },
1023 { 0x1780, 0x18af, SIC_COMPLEX },
1024 { 0x2000, 0x200a, SIC_NEUTRAL },
1025 { 0x200b, 0x200f, SIC_COMPLEX },
1026 { 0x2010, 0x2016, SIC_NEUTRAL },
1027 { 0x2018, 0x2022, SIC_NEUTRAL },
1028 { 0x2024, 0x2028, SIC_NEUTRAL },
1029 { 0x2029, 0x202e, SIC_COMPLEX },
1030 { 0x202f, 0x2037, SIC_NEUTRAL },
1031 { 0x2039, 0x203c, SIC_NEUTRAL },
1032 { 0x2044, 0x2046, SIC_NEUTRAL },
1033 { 0x206a, 0x206f, SIC_COMPLEX },
1034 { 0x207a, 0x207e, SIC_NEUTRAL },
1035 { 0x208a, 0x20aa, SIC_NEUTRAL },
1036 { 0x20ac, 0x20cf, SIC_NEUTRAL },
1037 { 0x20d0, 0x20ff, SIC_COMPLEX },
1038 { 0x2103, 0x2103, SIC_NEUTRAL },
1039 { 0x2105, 0x2105, SIC_NEUTRAL },
1040 { 0x2109, 0x2109, SIC_NEUTRAL },
1041 { 0x2116, 0x2116, SIC_NEUTRAL },
1042 { 0x2121, 0x2122, SIC_NEUTRAL },
1043 { 0x212e, 0x212e, SIC_NEUTRAL },
1044 { 0x2153, 0x2154, SIC_NEUTRAL },
1045 { 0x215b, 0x215e, SIC_NEUTRAL },
1046 { 0x2190, 0x2199, SIC_NEUTRAL },
1047 { 0x21b8, 0x21b9, SIC_NEUTRAL },
1048 { 0x21d2, 0x21d2, SIC_NEUTRAL },
1049 { 0x21d4, 0x21d4, SIC_NEUTRAL },
1050 { 0x21e7, 0x21e7, SIC_NEUTRAL },
1051 { 0x2200, 0x2200, SIC_NEUTRAL },
1052 { 0x2202, 0x2203, SIC_NEUTRAL },
1053 { 0x2207, 0x2208, SIC_NEUTRAL },
1054 { 0x220b, 0x220b, SIC_NEUTRAL },
1055 { 0x220f, 0x220f, SIC_NEUTRAL },
1056 { 0x2211, 0x2213, SIC_NEUTRAL },
1057 { 0x2215, 0x2215, SIC_NEUTRAL },
1058 { 0x221a, 0x221a, SIC_NEUTRAL },
1059 { 0x221d, 0x2220, SIC_NEUTRAL },
1060 { 0x2223, 0x2223, SIC_NEUTRAL },
1061 { 0x2225, 0x2225, SIC_NEUTRAL },
1062 { 0x2227, 0x222c, SIC_NEUTRAL },
1063 { 0x222e, 0x222e, SIC_NEUTRAL },
1064 { 0x2234, 0x2237, SIC_NEUTRAL },
1065 { 0x223c, 0x223d, SIC_NEUTRAL },
1066 { 0x2248, 0x2248, SIC_NEUTRAL },
1067 { 0x224c, 0x224c, SIC_NEUTRAL },
1068 { 0x2252, 0x2252, SIC_NEUTRAL },
1069 { 0x2260, 0x2261, SIC_NEUTRAL },
1070 { 0x2264, 0x2267, SIC_NEUTRAL },
1071 { 0x226a, 0x226b, SIC_NEUTRAL },
1072 { 0x226e, 0x226f, SIC_NEUTRAL },
1073 { 0x2282, 0x2283, SIC_NEUTRAL },
1074 { 0x2286, 0x2287, SIC_NEUTRAL },
1075 { 0x2295, 0x2295, SIC_NEUTRAL },
1076 { 0x2299, 0x2299, SIC_NEUTRAL },
1077 { 0x22a5, 0x22a5, SIC_NEUTRAL },
1078 { 0x22bf, 0x22bf, SIC_NEUTRAL },
1079 { 0x2312, 0x2312, SIC_NEUTRAL },
1080 { 0x24ea, 0x24ea, SIC_COMPLEX },
1081 { 0x2500, 0x254b, SIC_NEUTRAL },
1082 { 0x2550, 0x256d, SIC_NEUTRAL },
1083 { 0x256e, 0x2574, SIC_NEUTRAL },
1084 { 0x2581, 0x258f, SIC_NEUTRAL },
1085 { 0x2592, 0x2595, SIC_NEUTRAL },
1086 { 0x25a0, 0x25a1, SIC_NEUTRAL },
1087 { 0x25a3, 0x25a9, SIC_NEUTRAL },
1088 { 0x25b2, 0x25b3, SIC_NEUTRAL },
1089 { 0x25b6, 0x25b7, SIC_NEUTRAL },
1090 { 0x25bc, 0x25bd, SIC_NEUTRAL },
1091 { 0x25c0, 0x25c1, SIC_NEUTRAL },
1092 { 0x25c6, 0x25c8, SIC_NEUTRAL },
1093 { 0x25cb, 0x25cb, SIC_NEUTRAL },
1094 { 0x25ce, 0x25d1, SIC_NEUTRAL },
1095 { 0x25e2, 0x25e5, SIC_NEUTRAL },
1096 { 0x25ef, 0x25ef, SIC_NEUTRAL },
1097 { 0x2605, 0x2606, SIC_NEUTRAL },
1098 { 0x2609, 0x2609, SIC_NEUTRAL },
1099 { 0x260e, 0x260f, SIC_NEUTRAL },
1100 { 0x261c, 0x261c, SIC_NEUTRAL },
1101 { 0x261e, 0x261e, SIC_NEUTRAL },
1102 { 0x2640, 0x2640, SIC_NEUTRAL },
1103 { 0x2642, 0x2642, SIC_NEUTRAL },
1104 { 0x2660, 0x2661, SIC_NEUTRAL },
1105 { 0x2663, 0x2665, SIC_NEUTRAL },
1106 { 0x2667, 0x266a, SIC_NEUTRAL },
1107 { 0x266c, 0x266d, SIC_NEUTRAL },
1108 { 0x266f, 0x266f, SIC_NEUTRAL },
1109 { 0x273d, 0x273d, SIC_NEUTRAL },
1110 { 0x2e80, 0x312f, SIC_COMPLEX },
1111 { 0x3190, 0x31bf, SIC_COMPLEX },
1112 { 0x31f0, 0x31ff, SIC_COMPLEX },
1113 { 0x3220, 0x325f, SIC_COMPLEX },
1114 { 0x3280, 0xa4ff, SIC_COMPLEX },
1115 { 0xd800, 0xdfff, SIC_COMPLEX },
1116 { 0xe000, 0xf8ff, SIC_NEUTRAL },
1117 { 0xf900, 0xfaff, SIC_COMPLEX },
1118 { 0xfb13, 0xfb28, SIC_COMPLEX },
1119 { 0xfb29, 0xfb29, SIC_NEUTRAL },
1120 { 0xfb2a, 0xfb4f, SIC_COMPLEX },
1121 { 0xfd3e, 0xfd3f, SIC_NEUTRAL },
1122 { 0xfdd0, 0xfdef, SIC_COMPLEX },
1123 { 0xfe20, 0xfe6f, SIC_COMPLEX },
1124 { 0xfeff, 0xfeff, SIC_COMPLEX },
1125 { 0xff01, 0xff5e, SIC_COMPLEX },
1126 { 0xff61, 0xff9f, SIC_COMPLEX },
1127 { 0xffe0, 0xffe6, SIC_COMPLEX },
1128 { 0xffe8, 0xffee, SIC_COMPLEX },
1129 { 0xfff9, 0xfffb, SIC_COMPLEX },
1130 { 0xfffe, 0xfffe, SIC_COMPLEX }
1133 /***********************************************************************
1134 * ScriptIsComplex (USP10.@)
1136 * Determine if a string is complex.
1139 * chars [I] Array of characters to test.
1140 * len [I] Length in characters.
1148 * Behaviour matches that of WinXP.
1150 HRESULT WINAPI ScriptIsComplex(const WCHAR *chars, int len, DWORD flag)
1154 TRACE("(%s,%d,0x%x)\n", debugstr_wn(chars, len), len, flag);
1156 for (i = 0; i < len; i++)
1158 for (j = 0; j < sizeof(complex_ranges)/sizeof(complex_ranges[0]); j++)
1160 if (chars[i] >= complex_ranges[j].start &&
1161 chars[i] <= complex_ranges[j].end &&
1162 (flag & complex_ranges[j].flag)) return S_OK;
1168 /***********************************************************************
1169 * ScriptShape (USP10.@)
1172 HRESULT WINAPI ScriptShape(HDC hdc, SCRIPT_CACHE *psc, const WCHAR *pwcChars,
1173 int cChars, int cMaxGlyphs,
1174 SCRIPT_ANALYSIS *psa, WORD *pwOutGlyphs, WORD *pwLogClust,
1175 SCRIPT_VISATTR *psva, int *pcGlyphs)
1181 TRACE("(%p, %p, %p, %d, %d, %p)\n", hdc, psc, pwcChars, cChars, cMaxGlyphs, psa);
1182 if (psa) TRACE("psa values: %d, %d, %d, %d, %d, %d, %d\n", psa->eScript, psa->fRTL, psa->fLayoutRTL,
1183 psa->fLinkBefore, psa->fLinkAfter, psa->fLogicalOrder, psa->fNoGlyphIndex);
1185 if (cChars > cMaxGlyphs) return E_OUTOFMEMORY;
1186 if ((hr = get_script_cache(hdc, psc))) return hr;
1189 for (cnt = 0; cnt < cChars; cnt++)
1190 TRACE("%4x",pwcChars[cnt]);
1193 if (!psa->fNoGlyphIndex) { /* Glyph translate */
1194 if (!(GetGlyphIndicesW(((ScriptCache *)*psc)->hdc, pwcChars, cChars, pwOutGlyphs, 0)))
1198 for (cnt = 0; cnt < cChars; cnt++) {
1199 TRACE("%04x",pwOutGlyphs[cnt]);
1205 for (cnt = 0; cnt < cChars; cnt++) { /* no translate so set up */
1206 pwOutGlyphs[cnt] = pwcChars[cnt]; /* copy in to out and */
1207 TRACE("%04x",pwOutGlyphs[cnt]);
1212 /* Set up a valid SCRIPT_VISATTR and LogClust for each char in this run */
1213 for (cnt = 0; cnt < cChars; cnt++) {
1214 /* FIXME: set to better values */
1215 psva[cnt].uJustification = 2;
1216 psva[cnt].fClusterStart = 1;
1217 psva[cnt].fDiacritic = 0;
1218 psva[cnt].fZeroWidth = 0;
1219 pwLogClust[cnt] = cnt;
1224 /***********************************************************************
1225 * ScriptPlace (USP10.@)
1228 HRESULT WINAPI ScriptPlace(HDC hdc, SCRIPT_CACHE *psc, const WORD *pwGlyphs,
1229 int cGlyphs, const SCRIPT_VISATTR *psva,
1230 SCRIPT_ANALYSIS *psa, int *piAdvance, GOFFSET *pGoffset, ABC *pABC )
1236 TRACE("(%p, %p, %p, %s, %d, %p, %p, %p)\n", hdc, psc, pwGlyphs,
1237 debugstr_wn(pwGlyphs, cGlyphs), cGlyphs, psva, psa, piAdvance);
1239 if ((hr = get_script_cache(hdc, psc))) return hr;
1241 /* Here we need to calculate the width of the run unit. At this point the input string
1242 * has been converted to glyphs and we still need to translate back to the original chars
1243 * to get the correct ABC widths. */
1245 if (!(lpABC = usp_zero_alloc(sizeof(ABC) * cGlyphs))) return E_OUTOFMEMORY;
1247 /* FIXME: set pGoffset to more reasonable values */
1248 if (!GetCharABCWidthsI(((ScriptCache *)*psc)->hdc, 0, cGlyphs, (WORD *) pwGlyphs, lpABC ))
1250 WARN("Could not get ABC values\n");
1251 for (wcnt = 0; wcnt < cGlyphs; wcnt++) {
1252 piAdvance[wcnt] = 0;
1253 pGoffset[wcnt].du = 0;
1254 pGoffset[wcnt].dv = 0;
1259 for (wcnt = 0; wcnt < cGlyphs ; wcnt++) { /* add up the char lengths */
1260 TRACE(" Glyph=%04x, abcA=%d, abcB=%d, abcC=%d wcnt=%d\n",
1264 lpABC[wcnt].abcC, wcnt);
1265 pABC->abcA += lpABC[wcnt].abcA;
1266 pABC->abcB += lpABC[wcnt].abcB;
1267 pABC->abcC += lpABC[wcnt].abcC;
1268 piAdvance[wcnt] = lpABC[wcnt].abcA + lpABC[wcnt].abcB + lpABC[wcnt].abcC;
1269 pGoffset[wcnt].du = 0;
1270 pGoffset[wcnt].dv = 0;
1273 TRACE("Total for run: abcA=%d, abcB=%d, abcC=%d\n", pABC->abcA, pABC->abcB, pABC->abcC);
1279 /***********************************************************************
1280 * ScriptGetCMap (USP10.@)
1282 * Retrieve glyph indices.
1285 * hdc [I] Device context.
1286 * psc [I/O] Opaque pointer to a script cache.
1287 * pwcInChars [I] Array of Unicode characters.
1288 * cChars [I] Number of characters in pwcInChars.
1289 * dwFlags [I] Flags.
1290 * pwOutGlyphs [O] Buffer to receive the array of glyph indices.
1294 * Failure: Non-zero HRESULT value.
1296 HRESULT WINAPI ScriptGetCMap(HDC hdc, SCRIPT_CACHE *psc, const WCHAR *pwcInChars,
1297 int cChars, DWORD dwFlags, WORD *pwOutGlyphs)
1302 TRACE("(%p,%p,%s,%d,0x%x,%p)\n", hdc, psc, debugstr_wn(pwcInChars, cChars),
1303 cChars, dwFlags, pwOutGlyphs);
1305 if ((hr = get_script_cache(hdc, psc))) return hr;
1308 for (cnt = 0; cnt < cChars; cnt++)
1309 TRACE("%4x",pwcInChars[cnt]);
1312 GetGlyphIndicesW(((ScriptCache *)*psc)->hdc, pwcInChars, cChars, pwOutGlyphs, 0);
1315 for (cnt = 0; cnt < cChars; cnt++) {
1316 TRACE("%04x",pwOutGlyphs[cnt]);
1323 /***********************************************************************
1324 * ScriptTextOut (USP10.@)
1327 HRESULT WINAPI ScriptTextOut(const HDC hdc, SCRIPT_CACHE *psc, int x, int y, UINT fuOptions,
1328 const RECT *lprc, const SCRIPT_ANALYSIS *psa, const WCHAR *pwcReserved,
1329 int iReserved, const WORD *pwGlyphs, int cGlyphs, const int *piAdvance,
1330 const int *piJustify, const GOFFSET *pGoffset)
1334 TRACE("(%p, %p, %d, %d, %04x, %p, %p, %p, %d, %p, %d, %p, %p, %p)\n",
1335 hdc, psc, x, y, fuOptions, lprc, psa, pwcReserved, iReserved, pwGlyphs, cGlyphs,
1336 piAdvance, piJustify, pGoffset);
1338 if (!hdc && psc && !*psc) return E_INVALIDARG;
1339 if (!piAdvance || !psa || !pwGlyphs) return E_INVALIDARG;
1340 if ((hr = get_script_cache(hdc, psc))) return hr;
1342 fuOptions &= ETO_CLIPPED + ETO_OPAQUE;
1343 if (!psa->fNoGlyphIndex) /* Have Glyphs? */
1344 fuOptions |= ETO_GLYPH_INDEX; /* Say don't do translation to glyph */
1346 if (!ExtTextOutW(((ScriptCache *)*psc)->hdc, x, y, fuOptions, lprc, pwGlyphs, cGlyphs, NULL))
1352 /***********************************************************************
1353 * ScriptCacheGetHeight (USP10.@)
1355 * Retrieve the height of the font in the cache.
1358 * hdc [I] Device context.
1359 * psc [I/O] Opaque pointer to a script cache.
1360 * height [O] Receives font height.
1364 * Failure: Non-zero HRESULT value.
1366 HRESULT WINAPI ScriptCacheGetHeight(HDC hdc, SCRIPT_CACHE *psc, LONG *height)
1371 TRACE("(%p, %p, %p)\n", hdc, psc, height);
1373 if (!height) return E_INVALIDARG;
1374 if ((hr = get_script_cache(hdc, psc))) return hr;
1376 /* FIXME: get this from the cache */
1377 if (!GetTextMetricsW(((ScriptCache *)*psc)->hdc, &metric)) return E_INVALIDARG;
1379 *height = metric.tmHeight;
1383 /***********************************************************************
1384 * ScriptGetGlyphABCWidth (USP10.@)
1386 * Retrieve the width of a glyph.
1389 * hdc [I] Device context.
1390 * psc [I/O] Opaque pointer to a script cache.
1391 * glyph [I] Glyph to retrieve the width for.
1392 * abc [O] ABC widths of the glyph.
1396 * Failure: Non-zero HRESULT value.
1398 HRESULT WINAPI ScriptGetGlyphABCWidth(HDC hdc, SCRIPT_CACHE *psc, WORD glyph, ABC *abc)
1402 TRACE("(%p, %p, 0x%04x, %p)\n", hdc, psc, glyph, abc);
1404 if ((hr = get_script_cache(hdc, psc))) return hr;
1406 /* FIXME: get this from the cache */
1407 if (!GetCharABCWidthsW(((ScriptCache *)*psc)->hdc, glyph, glyph, abc)) return E_HANDLE;
1411 /***********************************************************************
1412 * ScriptLayout (USP10.@)
1414 * Map embedding levels to visual and/or logical order.
1417 * runs [I] Size of level array.
1418 * level [I] Array of embedding levels.
1419 * vistolog [O] Map of embedding levels from visual to logical order.
1420 * logtovis [O] Map of embedding levels from logical to visual order.
1424 * Failure: Non-zero HRESULT value.
1427 * This stub works correctly for any sequence of a single
1428 * embedding level but not for sequences of different
1429 * embedding levels, i.e. mixtures of RTL and LTR scripts.
1431 HRESULT WINAPI ScriptLayout(int runs, const BYTE *level, int *vistolog, int *logtovis)
1433 int i, j = runs - 1, k = 0;
1435 TRACE("(%d, %p, %p, %p)\n", runs, level, vistolog, logtovis);
1437 if (!level || (!vistolog && !logtovis))
1438 return E_INVALIDARG;
1440 for (i = 0; i < runs; i++)
1444 if (vistolog) *vistolog++ = j;
1445 if (logtovis) *logtovis++ = j;
1450 if (vistolog) *vistolog++ = k;
1451 if (logtovis) *logtovis++ = k;
1458 /***********************************************************************
1459 * ScriptStringGetLogicalWidths (USP10.@)
1461 * Returns logical widths from a string analysis.
1464 * ssa [I] string analysis.
1465 * piDx [O] logical widths returned.
1469 * Failure: a non-zero HRESULT.
1471 HRESULT WINAPI ScriptStringGetLogicalWidths(SCRIPT_STRING_ANALYSIS ssa, int *piDx)
1474 StringAnalysis *analysis = ssa;
1476 TRACE("%p, %p\n", ssa, piDx);
1478 if (!analysis) return S_FALSE;
1480 for (i = 0; i < analysis->numItems; i++)
1482 for (j = 0; j < analysis->glyphs[i].numGlyphs; j++)
1484 piDx[next] = analysis->glyphs[i].piAdvance[j];
1491 /***********************************************************************
1492 * ScriptStringValidate (USP10.@)
1494 * Validate a string analysis.
1497 * ssa [I] string analysis.
1501 * Failure: S_FALSE if invalid sequences are found
1502 * or a non-zero HRESULT if it fails.
1504 HRESULT WINAPI ScriptStringValidate(SCRIPT_STRING_ANALYSIS ssa)
1506 StringAnalysis *analysis = ssa;
1508 TRACE("(%p)\n", ssa);
1510 if (!analysis) return E_INVALIDARG;
1511 return (analysis->invalid) ? S_FALSE : S_OK;
1514 /***********************************************************************
1515 * ScriptString_pSize (USP10.@)
1517 * Retrieve width and height of an analysed string.
1520 * ssa [I] string analysis.
1523 * Success: Pointer to a SIZE structure.
1526 const SIZE * WINAPI ScriptString_pSize(SCRIPT_STRING_ANALYSIS ssa)
1529 StringAnalysis *analysis = ssa;
1532 TRACE("(%p)\n", ssa);
1534 if (!analysis) return NULL;
1538 if (!(analysis->sz = usp_alloc(sizeof(SIZE))))
1541 /* FIXME: These values should be calculated at a more
1542 * appropriate place so that we can just pass cached
1545 if (!GetTextMetricsW(analysis->sc->hdc, &metric))
1547 usp_free(analysis->sz);
1548 analysis->sz = NULL;
1551 analysis->sz->cy = metric.tmHeight;
1553 analysis->sz->cx = 0;
1554 for (i = 0; i < analysis->numItems; i++)
1555 for (j = 0; j < analysis->glyphs[i].numGlyphs; j++)
1556 analysis->sz->cx += analysis->glyphs[i].piAdvance[j];
1558 return analysis->sz;
1561 /***********************************************************************
1562 * ScriptString_pLogAttr (USP10.@)
1564 * Retrieve logical attributes of an analysed string.
1567 * ssa [I] string analysis.
1570 * Success: Pointer to an array of SCRIPT_LOGATTR structures.
1573 const SCRIPT_LOGATTR * WINAPI ScriptString_pLogAttr(SCRIPT_STRING_ANALYSIS ssa)
1575 StringAnalysis *analysis = ssa;
1577 TRACE("(%p)\n", ssa);
1579 if (!analysis) return NULL;
1580 return analysis->logattrs;
1583 /***********************************************************************
1584 * ScriptString_pcOutChars (USP10.@)
1586 * Retrieve the length of a string after clipping.
1589 * ssa [I] String analysis.
1592 * Success: Pointer to the length.
1595 const int * WINAPI ScriptString_pcOutChars(SCRIPT_STRING_ANALYSIS ssa)
1597 StringAnalysis *analysis = ssa;
1599 TRACE("(%p)\n", ssa);
1601 if (!analysis) return NULL;
1602 return &analysis->clip_len;
1605 /***********************************************************************
1606 * ScriptStringGetOrder (USP10.@)
1608 * Retrieve a glyph order map.
1611 * ssa [I] String analysis.
1612 * order [I/O] Array of glyph positions.
1616 * Failure: a non-zero HRESULT.
1618 HRESULT WINAPI ScriptStringGetOrder(SCRIPT_STRING_ANALYSIS ssa, UINT *order)
1620 unsigned int i, j, k;
1621 StringAnalysis *analysis = ssa;
1623 TRACE("(%p)\n", ssa);
1625 if (!analysis) return S_FALSE;
1627 /* FIXME: handle RTL scripts */
1628 for (i = 0, k = 0; i < analysis->numItems; i++)
1629 for (j = 0; j < analysis->glyphs[i].numGlyphs; j++, k++)