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usp10: Implement ScriptStringAnalyse.
[wine/hacks.git] / dlls / usp10 / usp10.c
blobea5339bf0f1bc87e70873834643dd10840bf7969
1 /*
2 * Implementation of Uniscribe Script Processor (usp10.dll)
3 *
4 * Copyright 2005 Steven Edwards for CodeWeavers
5 *
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.
10 *
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.
15 *
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
19 *
20 * Notes:
21 * Uniscribe allows for processing of complex scripts such as joining
22 * and filtering characters and bi-directional text with custom line breaks.
23 */
24
25 #include <stdarg.h>
26
27 #include "windef.h"
28 #include "winbase.h"
29 #include "wingdi.h"
30 #include "winuser.h"
31 #include "winnls.h"
32 #include "usp10.h"
33
34 #include "wine/debug.h"
35
36 /**
37 * some documentation here:
38 * http://www.microsoft.com/typography/developers/uniscribe/uniscribe.htm
39 */
40
41 WINE_DEFAULT_DEBUG_CHANNEL(uniscribe);
42
43 #define MAX_SCRIPTS 8
44
45 /* Set up a default for ScriptGetProperties */
46 static const SCRIPT_PROPERTIES Default_Script_0 = {0, 0, 0, 0, 0, 0, 0, 0,
47 0, 0, 0, 0, 0, 0, 0};
48 static const SCRIPT_PROPERTIES Default_Script_1 = {0, 0, 0, 0, 0, 0, 0, 0,
49 0, 0, 0, 0, 0, 0, 0};
50 static const SCRIPT_PROPERTIES Default_Script_2 = {0, 0, 0, 0, 0, 0, 0, 0,
51 0, 0, 0, 0, 0, 0, 0};
52 static const SCRIPT_PROPERTIES Default_Script_3 = {9, 0, 0, 0, 0, 0, 0, 0,
53 0, 0, 0, 0, 0, 0, 0};
54 static const SCRIPT_PROPERTIES Default_Script_4 = {9, 1, 0, 0, 0, 0, 0, 0,
55 0, 0, 0, 0, 0, 0, 0};
56 static const SCRIPT_PROPERTIES Default_Script_5 = {9, 0, 0, 0, 0, 0, 0, 0,
57 0, 0, 0, 0, 1, 0, 0};
58 static const SCRIPT_PROPERTIES Default_Script_6 = {9, 1, 0, 0, 0, 0, 0, 0,
59 0, 0, 0, 0, 1, 0, 0};
60 static const SCRIPT_PROPERTIES Default_Script_7 = {8, 0, 0, 0, 0, 161, 0, 0,
61 0, 0, 0, 0, 0, 0, 0};
62 static const SCRIPT_PROPERTIES *Global_Script[MAX_SCRIPTS] =
63 {&Default_Script_0,
64 &Default_Script_1,
65 &Default_Script_2,
66 &Default_Script_3,
67 &Default_Script_4,
68 &Default_Script_5,
69 &Default_Script_6,
70 &Default_Script_7};
71
72 typedef struct scriptcache {
73 HDC hdc;
74 } Scriptcache;
75
76 typedef struct {
77 int numGlyphs;
78 WORD* glyphs;
79 WORD* pwLogClust;
80 int* piAdvance;
81 SCRIPT_VISATTR* psva;
82 GOFFSET* pGoffset;
83 ABC* abc;
84 } StringGlyphs;
85
86 typedef struct {
87 BOOL invalid;
88 HDC hdc;
89 int cItems;
90 int cMaxGlyphs;
91 SCRIPT_ITEM* pItem;
92 int numItems;
93 StringGlyphs* glyphs;
94 SIZE* sz;
95 } StringAnalysis;
96
97 /***********************************************************************
98 * DllMain
99 *
100 */
101 BOOL WINAPI DllMain(HINSTANCE hInstDLL, DWORD fdwReason, LPVOID lpv)
102 {
103 switch(fdwReason) {
104 case DLL_PROCESS_ATTACH:
105 DisableThreadLibraryCalls(hInstDLL);
106 break;
107 case DLL_PROCESS_DETACH:
108 break;
109 }
110 return TRUE;
111 }
112
113 /***********************************************************************
114 * ScriptFreeCache (USP10.@)
115 *
116 */
117 HRESULT WINAPI ScriptFreeCache(SCRIPT_CACHE *psc)
118 {
119 TRACE("%p\n", psc);
120
121 if (psc) {
122 HeapFree ( GetProcessHeap(), 0, *psc);
123 *psc = NULL;
124 }
125 return 0;
126 }
127
128 /***********************************************************************
129 * ScriptGetProperties (USP10.@)
130 *
131 */
132 HRESULT WINAPI ScriptGetProperties(const SCRIPT_PROPERTIES ***ppSp, int *piNumScripts)
133 {
134 TRACE("%p,%p\n", ppSp, piNumScripts);
135
136 if (!ppSp && !piNumScripts) return E_INVALIDARG;
137
138 /* Set up a sensible default and intialise pointers */
139 if (piNumScripts) *piNumScripts = MAX_SCRIPTS;
140 if (ppSp) *ppSp = Global_Script;
141 TRACE("ppSp:%p, *ppSp:%p, **ppSp:%p, %d\n",
142 ppSp, ppSp ? *ppSp : NULL, (ppSp && *ppSp) ? **ppSp : NULL,
143 piNumScripts ? *piNumScripts : -1);
144 return 0;
145 }
146
147 /***********************************************************************
148 * ScriptGetFontProperties (USP10.@)
149 *
150 */
151 HRESULT WINAPI ScriptGetFontProperties(HDC hdc, SCRIPT_CACHE *psc, SCRIPT_FONTPROPERTIES *sfp)
152 {
153 HDC phdc;
154 Scriptcache *pScriptcache;
155 TEXTMETRICW ptm;
156
157 TRACE("%p,%p,%p\n", hdc, psc, sfp);
158
159 if (!psc || !sfp)
160 return E_INVALIDARG;
161 if (!hdc && !*psc) {
162 TRACE("No Script_Cache (psc) and no hdc. Ask for one. Hdc=%p, psc=%p\n", hdc, *psc);
163 return E_PENDING;
164 } else
165 if (hdc && !*psc) {
166 pScriptcache = HeapAlloc( GetProcessHeap(), HEAP_ZERO_MEMORY, sizeof(Scriptcache) );
167 pScriptcache->hdc = (HDC) hdc;
168 phdc = hdc;
169 *psc = (Scriptcache *) pScriptcache;
170 } else
171 if (*psc) {
172 pScriptcache = (Scriptcache *) *psc;
173 phdc = pScriptcache->hdc;
174 }
175
176 if (sfp->cBytes != sizeof(SCRIPT_FONTPROPERTIES))
177 return E_INVALIDARG;
178
179 /* return something sensible? */
180 sfp->wgBlank = 0;
181 if (GetTextMetricsW(phdc, &ptm))
182 sfp->wgDefault = ptm.tmDefaultChar;
183 else
184 sfp->wgDefault = 0;
185 sfp->wgInvalid = 0;
186 sfp->wgKashida = 0xffff;
187 sfp->iKashidaWidth = 0;
188 return 0;
189 }
190
191 /***********************************************************************
192 * ScriptRecordDigitSubstitution (USP10.@)
193 *
194 * Record digit substitution settings for a given locale.
195 *
196 * PARAMS
197 * locale [I] Locale identifier.
198 * sds [I] Structure to record substitution settings.
199 *
200 * RETURNS
201 * Success: S_OK
202 * Failure: E_POINTER if sds is NULL, E_INVALIDARG otherwise.
203 *
204 * SEE ALSO
205 * http://blogs.msdn.com/michkap/archive/2006/02/22/536877.aspx
206 */
207 HRESULT WINAPI ScriptRecordDigitSubstitution(LCID locale, SCRIPT_DIGITSUBSTITUTE *sds)
208 {
209 DWORD plgid, sub;
210
211 TRACE("0x%x, %p\n", locale, sds);
212
213 /* This implementation appears to be correct for all languages, but it's
214 * not clear if sds->DigitSubstitute is ever set to anything except
215 * CONTEXT or NONE in reality */
216
217 if (!sds) return E_POINTER;
218
219 locale = ConvertDefaultLocale(locale);
220
221 if (!IsValidLocale(locale, LCID_INSTALLED))
222 return E_INVALIDARG;
223
224 plgid = PRIMARYLANGID(LANGIDFROMLCID(locale));
225 sds->TraditionalDigitLanguage = plgid;
226
227 if (plgid == LANG_ARABIC || plgid == LANG_FARSI)
228 sds->NationalDigitLanguage = plgid;
229 else
230 sds->NationalDigitLanguage = LANG_ENGLISH;
231
232 if (!GetLocaleInfoW(locale, LOCALE_IDIGITSUBSTITUTION | LOCALE_RETURN_NUMBER,
233 (LPWSTR)&sub, sizeof(sub)/sizeof(WCHAR))) return E_INVALIDARG;
234
235 switch (sub)
236 {
237 case 0:
238 if (plgid == LANG_ARABIC || plgid == LANG_FARSI)
239 sds->DigitSubstitute = SCRIPT_DIGITSUBSTITUTE_CONTEXT;
240 else
241 sds->DigitSubstitute = SCRIPT_DIGITSUBSTITUTE_NONE;
242 break;
243 case 1:
244 sds->DigitSubstitute = SCRIPT_DIGITSUBSTITUTE_NONE;
245 break;
246 case 2:
247 sds->DigitSubstitute = SCRIPT_DIGITSUBSTITUTE_NATIONAL;
248 break;
249 default:
250 sds->DigitSubstitute = SCRIPT_DIGITSUBSTITUTE_TRADITIONAL;
251 break;
252 }
253
254 sds->dwReserved = 0;
255 return S_OK;
256 }
257
258 /***********************************************************************
259 * ScriptApplyDigitSubstitution (USP10.@)
260 *
261 * Apply digit substitution settings.
262 *
263 * PARAMS
264 * sds [I] Structure with recorded substitution settings.
265 * sc [I] Script control structure.
266 * ss [I] Script state structure.
267 *
268 * RETURNS
269 * Success: S_OK
270 * Failure: E_INVALIDARG if sds is invalid. Otherwise an HRESULT.
271 */
272 HRESULT WINAPI ScriptApplyDigitSubstitution(const SCRIPT_DIGITSUBSTITUTE *sds,
273 SCRIPT_CONTROL *sc, SCRIPT_STATE *ss)
274 {
275 SCRIPT_DIGITSUBSTITUTE psds;
276
277 TRACE("%p, %p, %p\n", sds, sc, ss);
278
279 if (!sc || !ss) return E_POINTER;
280 if (!sds)
281 {
282 sds = &psds;
283 if (ScriptRecordDigitSubstitution(LOCALE_USER_DEFAULT, &psds) != S_OK)
284 return E_INVALIDARG;
285 }
286
287 sc->uDefaultLanguage = LANG_ENGLISH;
288 sc->fContextDigits = 0;
289 ss->fDigitSubstitute = 0;
290
291 switch (sds->DigitSubstitute) {
292 case SCRIPT_DIGITSUBSTITUTE_CONTEXT:
293 case SCRIPT_DIGITSUBSTITUTE_NATIONAL:
294 case SCRIPT_DIGITSUBSTITUTE_NONE:
295 case SCRIPT_DIGITSUBSTITUTE_TRADITIONAL:
296 return S_OK;
297 default:
298 return E_INVALIDARG;
299 }
300 }
301
302 /***********************************************************************
303 * ScriptItemize (USP10.@)
304 *
305 */
306 HRESULT WINAPI ScriptItemize(const WCHAR *pwcInChars, int cInChars, int cMaxItems,
307 const SCRIPT_CONTROL *psControl, const SCRIPT_STATE *psState,
308 SCRIPT_ITEM *pItems, int *pcItems)
309 {
310
311 #define Numeric_start 0x0030
312 #define Numeric_stop 0x0039
313 #define Numeric_space 0x0020
314 #define Arabic_start 0x0600
315 #define Arabic_stop 0x06ff
316 #define Latin_start 0x0001
317 #define Latin_stop 0x024f
318 #define Script_Arabic 6
319 #define Script_Latin 1
320 #define Script_Numeric 5
321
322 int cnt = 0, index = 0;
323 int New_Script = SCRIPT_UNDEFINED;
324
325 TRACE("%s,%d,%d,%p,%p,%p,%p\n", debugstr_wn(pwcInChars, cInChars), cInChars, cMaxItems,
326 psControl, psState, pItems, pcItems);
327
328 if (!pwcInChars || !cInChars || !pItems || cMaxItems < 2)
329 return E_INVALIDARG;
330
331 if (pwcInChars[cnt] >= Numeric_start && pwcInChars[cnt] <= Numeric_stop)
332 pItems[index].a.eScript = Script_Numeric;
333 else
334 if (pwcInChars[cnt] >= Arabic_start && pwcInChars[cnt] <= Arabic_stop)
335 pItems[index].a.eScript = Script_Arabic;
336 else
337 if (pwcInChars[cnt] >= Latin_start && pwcInChars[cnt] <= Latin_stop)
338 pItems[index].a.eScript = Script_Latin;
339 else
340 pItems[index].a.eScript = SCRIPT_UNDEFINED;
341 pItems[index].iCharPos = 0;
342 /* Set the SCRIPT_ANALYSIS */
343 pItems[index].a.fRTL = 0;
344 pItems[index].a.fLayoutRTL = 0;
345 pItems[index].a.fLinkBefore = 0;
346 pItems[index].a.fLinkAfter = 0;
347 pItems[index].a.fLogicalOrder = 0;
348 pItems[index].a.fNoGlyphIndex = 0;
349 /* set the SCRIPT_STATE */
350 if (pItems[index].a.eScript == Script_Arabic)
351 pItems[index].a.s.uBidiLevel = 1;
352 else
353 pItems[index].a.s.uBidiLevel = 0;
354 pItems[index].a.s.fOverrideDirection = 0;
355 pItems[index].a.s.fInhibitSymSwap = FALSE;
356 pItems[index].a.s.fCharShape = 0;
357 pItems[index].a.s.fDigitSubstitute = 0;
358 pItems[index].a.s.fInhibitLigate = 0;
359 pItems[index].a.s.fDisplayZWG = 0;
360 pItems[index].a.s.fArabicNumContext = 0;
361 pItems[index].a.s.fGcpClusters = 0;
362 pItems[index].a.s.fReserved = 0;
363 pItems[index].a.s.fEngineReserved = 0;
364 TRACE("New_Script=%d, eScript=%d index=%d cnt=%d iCharPos=%d\n",
365 New_Script, pItems[index].a.eScript, index, cnt,
366 pItems[index].iCharPos = cnt);
367
368 for (cnt=0; cnt < cInChars; cnt++)
369 {
370 if ((pwcInChars[cnt] >= Numeric_start && pwcInChars[cnt] <= Numeric_stop)
371 || (New_Script == Script_Numeric && pwcInChars[cnt] == Numeric_space))
372 New_Script = Script_Numeric;
373 else
374 if ((pwcInChars[cnt] >= Arabic_start && pwcInChars[cnt] <= Arabic_stop)
375 || (New_Script == Script_Arabic && pwcInChars[cnt] == Numeric_space))
376 New_Script = Script_Arabic;
377 else
378 if ((WCHAR) pwcInChars[cnt] >= Latin_start && (WCHAR) pwcInChars[cnt] <= Latin_stop)
379 New_Script = Script_Latin;
380 else
381 New_Script = SCRIPT_UNDEFINED;
382
383 if (New_Script != pItems[index].a.eScript)
384 {
385 TRACE("New_Script=%d, eScript=%d ", New_Script, pItems[index].a.eScript);
386 index++;
387 if (index+1 > cMaxItems)
388 return E_OUTOFMEMORY;
389 pItems[index].iCharPos = cnt;
390 if (New_Script == Script_Arabic)
391 pItems[index].a.s.uBidiLevel = 1;
392 /* Set SCRIPT_ITEM */
393 pItems[index].iCharPos = cnt;
394 /* Set the SCRIPT_ANALYSIS */
395 pItems[index].a.eScript = New_Script;
396 pItems[index].a.fRTL = 0;
397 pItems[index].a.fLayoutRTL = 0;
398 pItems[index].a.fLinkBefore = 0;
399 pItems[index].a.fLinkAfter = 0;
400 pItems[index].a.fLogicalOrder = 0;
401 pItems[index].a.fNoGlyphIndex = 0;
402 /* set the SCRIPT_STATE */
403 if (New_Script == Script_Arabic)
404 pItems[index].a.s.uBidiLevel = 1;
405 else
406 pItems[index].a.s.uBidiLevel = 0;
407 pItems[index].a.s.fOverrideDirection = 0;
408 pItems[index].a.s.fInhibitSymSwap = FALSE;
409 pItems[index].a.s.fCharShape = 0;
410 pItems[index].a.s.fDigitSubstitute = 0;
411 pItems[index].a.s.fInhibitLigate = 0;
412 pItems[index].a.s.fDisplayZWG = 0;
413 pItems[index].a.s.fArabicNumContext = 0;
414 pItems[index].a.s.fGcpClusters = 0;
415 pItems[index].a.s.fReserved = 0;
416 pItems[index].a.s.fEngineReserved = 0;
417 TRACE("index=%d cnt=%d iCharPos=%d\n", index, cnt, pItems[index].iCharPos = cnt);
418 }
419 }
420
421 /* While not strictly necessary according to the spec, make sure the n+1
422 * item is set up to prevent random behaviour if the caller erroneously
423 * checks the n+1 structure */
424 pItems[index+1].a.eScript = 0;
425 pItems[index+1].a.fRTL = 0;
426 pItems[index+1].a.fLayoutRTL = 0;
427 pItems[index+1].a.fLinkBefore = 0;
428 pItems[index+1].a.fLinkAfter = 0;
429 pItems[index+1].a.fLogicalOrder = 0;
430 pItems[index+1].a.fNoGlyphIndex = 0;
431 /* set the SCRIPT_STATE */
432 pItems[index+1].a.s.uBidiLevel = 0;
433 pItems[index+1].a.s.fOverrideDirection = 0;
434 pItems[index+1].a.s.fInhibitSymSwap = FALSE;
435 pItems[index+1].a.s.fCharShape = 0;
436 pItems[index+1].a.s.fDigitSubstitute = 0;
437 pItems[index+1].a.s.fInhibitLigate = 0;
438 pItems[index+1].a.s.fDisplayZWG = 0;
439 pItems[index+1].a.s.fArabicNumContext = 0;
440 pItems[index+1].a.s.fGcpClusters = 0;
441 pItems[index+1].a.s.fReserved = 0;
442 pItems[index+1].a.s.fEngineReserved = 0;
443 TRACE("index=%d cnt=%d iCharPos=%d\n", index+1, cnt, pItems[index+1].iCharPos = cnt);
444
445 /* Set one SCRIPT_STATE item being returned */
446 *pcItems = index + 1;
447
448 /* Set SCRIPT_ITEM */
449 pItems[index+1].iCharPos = cnt; /* the last + 1 item
450 contains the ptr to the lastchar */
451 return S_OK;
452 }
453
454 /***********************************************************************
455 * ScriptStringAnalyse (USP10.@)
456 *
457 */
458 HRESULT WINAPI ScriptStringAnalyse(HDC hdc,
459 const void *pString,
460 int cString,
461 int cGlyphs,
462 int iCharset,
463 DWORD dwFlags,
464 int iReqWidth,
465 SCRIPT_CONTROL *psControl,
466 SCRIPT_STATE *psState,
467 const int *piDx,
468 SCRIPT_TABDEF *pTabdef,
469 const BYTE *pbInClass,
470 SCRIPT_STRING_ANALYSIS *pssa)
471 {
472 HRESULT hr;
473 StringAnalysis* analysis;
474 int numItemizedItems;
475 int i;
476 SCRIPT_CACHE* sc = 0;
477
478 TRACE("(%p,%p,%d,%d,%d,0x%x,%d,%p,%p,%p,%p,%p,%p)\n",
479 hdc, pString, cString, cGlyphs, iCharset, dwFlags,
480 iReqWidth, psControl, psState, piDx, pTabdef, pbInClass, pssa);
481
482 if (1 > cString || NULL == pString) {
483 return E_INVALIDARG;
484 }
485 if ((dwFlags & SSA_GLYPHS) && NULL == hdc) {
486 return E_PENDING;
487 }
488
489 analysis = HeapAlloc(GetProcessHeap(), HEAP_ZERO_MEMORY,
490 sizeof(StringAnalysis));
491
492 analysis->hdc = hdc;
493 numItemizedItems = 255;
494 analysis->pItem = HeapAlloc(GetProcessHeap(), HEAP_ZERO_MEMORY,
495 numItemizedItems*sizeof(SCRIPT_ITEM)+1);
496
497 hr = ScriptItemize(pString, cString, numItemizedItems, psControl,
498 psState, analysis->pItem, &analysis->numItems);
499
500 while(hr == E_OUTOFMEMORY)
501 {
502 numItemizedItems *= 2;
503 HeapReAlloc(GetProcessHeap(), HEAP_ZERO_MEMORY, analysis->pItem,
504 numItemizedItems*sizeof(SCRIPT_ITEM)+1);
505 hr = ScriptItemize(pString, cString, numItemizedItems, psControl,
506 psState, analysis->pItem, &analysis->numItems);
507 }
508
509 analysis->glyphs = HeapAlloc(GetProcessHeap(), HEAP_ZERO_MEMORY,
510 sizeof(StringGlyphs)*analysis->numItems);
511 sc = HeapAlloc(GetProcessHeap(), HEAP_ZERO_MEMORY, sizeof(SCRIPT_CACHE));
512
513 for(i=0; i<analysis->numItems; i++)
514 {
515 int cChar = analysis->pItem[i+1].iCharPos - analysis->pItem[i].iCharPos;
516 int numGlyphs = 1.5 * cChar + 16;
517 WORD* glyphs = HeapAlloc(GetProcessHeap(), HEAP_ZERO_MEMORY, sizeof(WORD)*numGlyphs);
518 WORD* pwLogClust = HeapAlloc(GetProcessHeap(), HEAP_ZERO_MEMORY, sizeof(WORD)*cChar);
519 int* piAdvance = HeapAlloc(GetProcessHeap(), HEAP_ZERO_MEMORY, sizeof(int)*numGlyphs);
520 SCRIPT_VISATTR* psva = HeapAlloc(GetProcessHeap(), HEAP_ZERO_MEMORY, sizeof(SCRIPT_VISATTR)*cChar);
521 GOFFSET* pGoffset = HeapAlloc(GetProcessHeap(), HEAP_ZERO_MEMORY, sizeof(GOFFSET)*numGlyphs);
522 ABC* abc = HeapAlloc(GetProcessHeap(), HEAP_ZERO_MEMORY, sizeof(ABC));
523 int numGlyphsReturned;
524
525 /* FIXME: non unicode strings */
526 WCHAR* pStr = (WCHAR*)pString;
527 hr = ScriptShape(hdc, sc, &pStr[analysis->pItem[i].iCharPos],
528 cChar, numGlyphs, &analysis->pItem[i].a,
529 glyphs, pwLogClust, psva, &numGlyphsReturned);
530 hr = ScriptPlace(hdc, sc, glyphs, numGlyphsReturned, psva, &analysis->pItem[i].a,
531 piAdvance, pGoffset, abc);
532
533 analysis->glyphs[i].numGlyphs = numGlyphsReturned;
534 analysis->glyphs[i].glyphs = glyphs;
535 analysis->glyphs[i].pwLogClust = pwLogClust;
536 analysis->glyphs[i].piAdvance = piAdvance;
537 analysis->glyphs[i].psva = psva;
538 analysis->glyphs[i].pGoffset = pGoffset;
539 analysis->glyphs[i].abc = abc;
540 }
541
542 HeapFree(GetProcessHeap(), 0, sc);
543
544 *pssa = analysis;
545
546 return S_OK;
547 }
548
549 /***********************************************************************
550 * ScriptStringOut (USP10.@)
551 *
552 */
553 HRESULT WINAPI ScriptStringOut(SCRIPT_STRING_ANALYSIS ssa,
554 int iX,
555 int iY,
556 UINT uOptions,
557 const RECT *prc,
558 int iMinSel,
559 int iMaxSel,
560 BOOL fDisabled)
561 {
562 FIXME("(%p,%d,%d,0x%1x,%p,%d,%d,%d): stub\n",
563 ssa, iX, iY, uOptions, prc, iMinSel, iMaxSel, fDisabled);
564 if (!ssa) {
565 return E_INVALIDARG;
566 }
567
568 return E_NOTIMPL;
569 }
570
571 /***********************************************************************
572 * ScriptStringCPtoX (USP10.@)
573 *
574 */
575 HRESULT WINAPI ScriptStringCPtoX(SCRIPT_STRING_ANALYSIS ssa, int icp, BOOL fTrailing, int* pX)
576 {
577 FIXME("(%p), %d, %d, (%p): stub\n", ssa, icp, fTrailing, pX);
578 *pX = 0; /* Set a reasonable value */
579 return S_OK;
580 }
581
582 /***********************************************************************
583 * ScriptStringXtoCP (USP10.@)
584 *
585 */
586 HRESULT WINAPI ScriptStringXtoCP(SCRIPT_STRING_ANALYSIS ssa, int iX, int* piCh, int* piTrailing)
587 {
588 FIXME("(%p), %d, (%p), (%p): stub\n", ssa, iX, piCh, piTrailing);
589 *piCh = 0; /* Set a reasonable value */
590 *piTrailing = 0;
591 return S_OK;
592 }
593
594 /***********************************************************************
595 * ScriptStringFree (USP10.@)
596 *
597 */
598 HRESULT WINAPI ScriptStringFree(SCRIPT_STRING_ANALYSIS *pssa) {
599 FIXME("(%p): stub\n",pssa);
600 return S_OK;
601 }
602
603 /***********************************************************************
604 * ScriptCPtoX (USP10.@)
605 *
606 */
607 HRESULT WINAPI ScriptCPtoX(int iCP,
608 BOOL fTrailing,
609 int cChars,
610 int cGlyphs,
611 const WORD *pwLogClust,
612 const SCRIPT_VISATTR *psva,
613 const int *piAdvance,
614 const SCRIPT_ANALYSIS *psa,
615 int *piX)
616 {
617 int item;
618 int iPosX;
619 float fMaxPosX = 0;
620 TRACE("(%d,%d,%d,%d,%p,%p,%p,%p,%p)\n",
621 iCP, fTrailing, cChars, cGlyphs, pwLogClust, psva, piAdvance,
622 psa, piX);
623 for (item=0; item < cGlyphs; item++) /* total piAdvance */
624 fMaxPosX += piAdvance[item];
625 iPosX = (fMaxPosX/cGlyphs)*(iCP+fTrailing);
626 if (iPosX > fMaxPosX)
627 iPosX = fMaxPosX;
628 *piX = iPosX; /* Return something in range */
629
630 TRACE("*piX=%d\n", *piX);
631 return S_OK;
632 }
633
634 /***********************************************************************
635 * ScriptXtoCP (USP10.@)
636 *
637 */
638 HRESULT WINAPI ScriptXtoCP(int iX,
639 int cChars,
640 int cGlyphs,
641 const WORD *pwLogClust,
642 const SCRIPT_VISATTR *psva,
643 const int *piAdvance,
644 const SCRIPT_ANALYSIS *psa,
645 int *piCP,
646 int *piTrailing)
647 {
648 int item;
649 int iPosX;
650 float fMaxPosX = 1;
651 float fAvePosX;
652 TRACE("(%d,%d,%d,%p,%p,%p,%p,%p,%p)\n",
653 iX, cChars, cGlyphs, pwLogClust, psva, piAdvance,
654 psa, piCP, piTrailing);
655 if (iX < 0) /* iX is before start of run */
656 {
657 *piCP = -1;
658 *piTrailing = TRUE;
659 return S_OK;
660 }
661
662 for (item=0; item < cGlyphs; item++) /* total piAdvance */
663 fMaxPosX += piAdvance[item];
664
665 if (iX >= fMaxPosX) /* iX too large */
666 {
667 *piCP = cChars;
668 *piTrailing = FALSE;
669 return S_OK;
670 }
671
672 fAvePosX = fMaxPosX / cGlyphs;
673 iPosX = fAvePosX;
674 for (item = 1; item < cGlyphs && iPosX < iX; item++)
675 iPosX += fAvePosX;
676 if (iPosX - iX > fAvePosX/2)
677 *piTrailing = 0;
678 else
679 *piTrailing = 1; /* yep we are over halfway */
680
681 *piCP = item -1; /* Return character position */
682 TRACE("*piCP=%d iPposX=%d\n", *piCP, iPosX);
683 return S_OK;
684 }
685
686 /***********************************************************************
687 * ScriptBreak (USP10.@)
688 *
689 */
690 HRESULT WINAPI ScriptBreak(const WCHAR *pwcChars, int cChars, const SCRIPT_ANALYSIS *psa,
691 SCRIPT_LOGATTR *psla)
692 {
693 FIXME("(%p,%d,%p,%p): stub\n",
694 pwcChars, cChars, psa, psla);
695
696 return S_OK;
697 }
698
699 static const struct
700 {
701 WCHAR start;
702 WCHAR end;
703 DWORD flag;
704 }
705 complex_ranges[] =
706 {
707 { 0, 0x0b, SIC_COMPLEX },
708 { 0x0c, 0x0c, SIC_NEUTRAL },
709 { 0x0d, 0x1f, SIC_COMPLEX },
710 { 0x20, 0x2f, SIC_NEUTRAL },
711 { 0x30, 0x39, SIC_ASCIIDIGIT },
712 { 0x3a, 0x40, SIC_NEUTRAL },
713 { 0x5b, 0x60, SIC_NEUTRAL },
714 { 0x7b, 0x7e, SIC_NEUTRAL },
715 { 0x7f, 0x9f, SIC_COMPLEX },
716 { 0xa0, 0xa5, SIC_NEUTRAL },
717 { 0xa7, 0xa8, SIC_NEUTRAL },
718 { 0xab, 0xab, SIC_NEUTRAL },
719 { 0xad, 0xad, SIC_NEUTRAL },
720 { 0xaf, 0xaf, SIC_NEUTRAL },
721 { 0xb0, 0xb1, SIC_NEUTRAL },
722 { 0xb4, 0xb4, SIC_NEUTRAL },
723 { 0xb6, 0xb8, SIC_NEUTRAL },
724 { 0xbb, 0xbf, SIC_NEUTRAL },
725 { 0xd7, 0xd7, SIC_NEUTRAL },
726 { 0xf7, 0xf7, SIC_NEUTRAL },
727 { 0x2b9, 0x2ba, SIC_NEUTRAL },
728 { 0x2c2, 0x2cf, SIC_NEUTRAL },
729 { 0x2d2, 0x2df, SIC_NEUTRAL },
730 { 0x2e5, 0x2e9, SIC_COMPLEX },
731 { 0x2ea, 0x2ed, SIC_NEUTRAL },
732 { 0x300, 0x362, SIC_COMPLEX },
733 { 0x530, 0x60b, SIC_COMPLEX },
734 { 0x60c, 0x60d, SIC_NEUTRAL },
735 { 0x60e, 0x669, SIC_COMPLEX },
736 { 0x66a, 0x66a, SIC_NEUTRAL },
737 { 0x66b, 0x6e8, SIC_COMPLEX },
738 { 0x6e9, 0x6e9, SIC_NEUTRAL },
739 { 0x6ea, 0x7bf, SIC_COMPLEX },
740 { 0x900, 0x1360, SIC_COMPLEX },
741 { 0x137d, 0x137f, SIC_COMPLEX },
742 { 0x1680, 0x1680, SIC_NEUTRAL },
743 { 0x1780, 0x18af, SIC_COMPLEX },
744 { 0x2000, 0x200a, SIC_NEUTRAL },
745 { 0x200b, 0x200f, SIC_COMPLEX },
746 { 0x2010, 0x2016, SIC_NEUTRAL },
747 { 0x2018, 0x2022, SIC_NEUTRAL },
748 { 0x2024, 0x2028, SIC_NEUTRAL },
749 { 0x2029, 0x202e, SIC_COMPLEX },
750 { 0x202f, 0x2037, SIC_NEUTRAL },
751 { 0x2039, 0x203c, SIC_NEUTRAL },
752 { 0x2044, 0x2046, SIC_NEUTRAL },
753 { 0x206a, 0x206f, SIC_COMPLEX },
754 { 0x207a, 0x207e, SIC_NEUTRAL },
755 { 0x208a, 0x20aa, SIC_NEUTRAL },
756 { 0x20ac, 0x20cf, SIC_NEUTRAL },
757 { 0x20d0, 0x20ff, SIC_COMPLEX },
758 { 0x2103, 0x2103, SIC_NEUTRAL },
759 { 0x2105, 0x2105, SIC_NEUTRAL },
760 { 0x2109, 0x2109, SIC_NEUTRAL },
761 { 0x2116, 0x2116, SIC_NEUTRAL },
762 { 0x2121, 0x2122, SIC_NEUTRAL },
763 { 0x212e, 0x212e, SIC_NEUTRAL },
764 { 0x2153, 0x2154, SIC_NEUTRAL },
765 { 0x215b, 0x215e, SIC_NEUTRAL },
766 { 0x2190, 0x2199, SIC_NEUTRAL },
767 { 0x21b8, 0x21b9, SIC_NEUTRAL },
768 { 0x21d2, 0x21d2, SIC_NEUTRAL },
769 { 0x21d4, 0x21d4, SIC_NEUTRAL },
770 { 0x21e7, 0x21e7, SIC_NEUTRAL },
771 { 0x2200, 0x2200, SIC_NEUTRAL },
772 { 0x2202, 0x2203, SIC_NEUTRAL },
773 { 0x2207, 0x2208, SIC_NEUTRAL },
774 { 0x220b, 0x220b, SIC_NEUTRAL },
775 { 0x220f, 0x220f, SIC_NEUTRAL },
776 { 0x2211, 0x2213, SIC_NEUTRAL },
777 { 0x2215, 0x2215, SIC_NEUTRAL },
778 { 0x221a, 0x221a, SIC_NEUTRAL },
779 { 0x221d, 0x2220, SIC_NEUTRAL },
780 { 0x2223, 0x2223, SIC_NEUTRAL },
781 { 0x2225, 0x2225, SIC_NEUTRAL },
782 { 0x2227, 0x222c, SIC_NEUTRAL },
783 { 0x222e, 0x222e, SIC_NEUTRAL },
784 { 0x2234, 0x2237, SIC_NEUTRAL },
785 { 0x223c, 0x223d, SIC_NEUTRAL },
786 { 0x2248, 0x2248, SIC_NEUTRAL },
787 { 0x224c, 0x224c, SIC_NEUTRAL },
788 { 0x2252, 0x2252, SIC_NEUTRAL },
789 { 0x2260, 0x2261, SIC_NEUTRAL },
790 { 0x2264, 0x2267, SIC_NEUTRAL },
791 { 0x226a, 0x226b, SIC_NEUTRAL },
792 { 0x226e, 0x226f, SIC_NEUTRAL },
793 { 0x2282, 0x2283, SIC_NEUTRAL },
794 { 0x2286, 0x2287, SIC_NEUTRAL },
795 { 0x2295, 0x2295, SIC_NEUTRAL },
796 { 0x2299, 0x2299, SIC_NEUTRAL },
797 { 0x22a5, 0x22a5, SIC_NEUTRAL },
798 { 0x22bf, 0x22bf, SIC_NEUTRAL },
799 { 0x2312, 0x2312, SIC_NEUTRAL },
800 { 0x24ea, 0x24ea, SIC_COMPLEX },
801 { 0x2500, 0x254b, SIC_NEUTRAL },
802 { 0x2550, 0x256d, SIC_NEUTRAL },
803 { 0x256e, 0x2574, SIC_NEUTRAL },
804 { 0x2581, 0x258f, SIC_NEUTRAL },
805 { 0x2592, 0x2595, SIC_NEUTRAL },
806 { 0x25a0, 0x25a1, SIC_NEUTRAL },
807 { 0x25a3, 0x25a9, SIC_NEUTRAL },
808 { 0x25b2, 0x25b3, SIC_NEUTRAL },
809 { 0x25b6, 0x25b7, SIC_NEUTRAL },
810 { 0x25bc, 0x25bd, SIC_NEUTRAL },
811 { 0x25c0, 0x25c1, SIC_NEUTRAL },
812 { 0x25c6, 0x25c8, SIC_NEUTRAL },
813 { 0x25cb, 0x25cb, SIC_NEUTRAL },
814 { 0x25ce, 0x25d1, SIC_NEUTRAL },
815 { 0x25e2, 0x25e5, SIC_NEUTRAL },
816 { 0x25ef, 0x25ef, SIC_NEUTRAL },
817 { 0x2605, 0x2606, SIC_NEUTRAL },
818 { 0x2609, 0x2609, SIC_NEUTRAL },
819 { 0x260e, 0x260f, SIC_NEUTRAL },
820 { 0x261c, 0x261c, SIC_NEUTRAL },
821 { 0x261e, 0x261e, SIC_NEUTRAL },
822 { 0x2640, 0x2640, SIC_NEUTRAL },
823 { 0x2642, 0x2642, SIC_NEUTRAL },
824 { 0x2660, 0x2661, SIC_NEUTRAL },
825 { 0x2663, 0x2665, SIC_NEUTRAL },
826 { 0x2667, 0x266a, SIC_NEUTRAL },
827 { 0x266c, 0x266d, SIC_NEUTRAL },
828 { 0x266f, 0x266f, SIC_NEUTRAL },
829 { 0x273d, 0x273d, SIC_NEUTRAL },
830 { 0x2e80, 0x312f, SIC_COMPLEX },
831 { 0x3190, 0x31bf, SIC_COMPLEX },
832 { 0x31f0, 0x31ff, SIC_COMPLEX },
833 { 0x3220, 0x325f, SIC_COMPLEX },
834 { 0x3280, 0xa4ff, SIC_COMPLEX },
835 { 0xd800, 0xdfff, SIC_COMPLEX },
836 { 0xe000, 0xf8ff, SIC_NEUTRAL },
837 { 0xf900, 0xfaff, SIC_COMPLEX },
838 { 0xfb13, 0xfb28, SIC_COMPLEX },
839 { 0xfb29, 0xfb29, SIC_NEUTRAL },
840 { 0xfb2a, 0xfb4f, SIC_COMPLEX },
841 { 0xfd3e, 0xfd3f, SIC_NEUTRAL },
842 { 0xfdd0, 0xfdef, SIC_COMPLEX },
843 { 0xfe20, 0xfe6f, SIC_COMPLEX },
844 { 0xfeff, 0xfeff, SIC_COMPLEX },
845 { 0xff01, 0xff5e, SIC_COMPLEX },
846 { 0xff61, 0xff9f, SIC_COMPLEX },
847 { 0xffe0, 0xffe6, SIC_COMPLEX },
848 { 0xffe8, 0xffee, SIC_COMPLEX },
849 { 0xfff9, 0xfffb, SIC_COMPLEX },
850 { 0xfffe, 0xfffe, SIC_COMPLEX }
851 };
852
853 /***********************************************************************
854 * ScriptIsComplex (USP10.@)
855 *
856 * Determine if a string is complex.
857 *
858 * PARAMS
859 * chars [I] Array of characters to test.
860 * len [I] Length in characters.
861 * flag [I] Flag.
862 *
863 * RETURNS
864 * Success: S_OK
865 * Failure: S_FALSE
866 *
867 * NOTES
868 * Behaviour matches that of WinXP.
869 */
870 HRESULT WINAPI ScriptIsComplex(const WCHAR *chars, int len, DWORD flag)
871 {
872 unsigned int i, j;
873
874 TRACE("(%s,%d,0x%x)\n", debugstr_wn(chars, len), len, flag);
875
876 for (i = 0; i < len; i++)
877 {
878 for (j = 0; j < sizeof(complex_ranges)/sizeof(complex_ranges[0]); j++)
879 {
880 if (chars[i] >= complex_ranges[j].start &&
881 chars[i] <= complex_ranges[j].end &&
882 (flag & complex_ranges[j].flag)) return S_OK;
883 }
884 }
885 return S_FALSE;
886 }
887
888 /***********************************************************************
889 * ScriptShape (USP10.@)
890 *
891 */
892 HRESULT WINAPI ScriptShape(HDC hdc, SCRIPT_CACHE *psc, const WCHAR *pwcChars,
893 int cChars, int cMaxGlyphs,
894 SCRIPT_ANALYSIS *psa, WORD *pwOutGlyphs, WORD *pwLogClust,
895 SCRIPT_VISATTR *psva, int *pcGlyphs)
896 {
897 /* Note SCRIPT_CACHE (*psc) appears to be a good place to save info that needs to be
898 * passed between functions. */
899
900 HDC phdc;
901 int cnt;
902 DWORD hr;
903 Scriptcache *pScriptcache;
904 *pcGlyphs = cChars;
905 FIXME("(%p, %p, %p, %d, %d, %p): semi-stub\n", hdc, psc, pwcChars,
906 cChars, cMaxGlyphs, psa);
907 if (psa) TRACE("psa values: %d, %d, %d, %d, %d, %d, %d\n", psa->eScript, psa->fRTL, psa->fLayoutRTL,
908 psa->fLinkBefore, psa->fLinkAfter,
909 psa->fLogicalOrder, psa->fNoGlyphIndex);
910
911 if (cChars > cMaxGlyphs) return E_OUTOFMEMORY;
912
913 if (!hdc && !*psc) {
914 TRACE("No Script_Cache (psc) and no hdc. Ask for one. Hdc=%p, psc=%p\n", hdc, *psc);
915 return E_PENDING;
916 } else
917 if (hdc && !*psc) {
918 pScriptcache = HeapAlloc( GetProcessHeap(), HEAP_ZERO_MEMORY, sizeof(Scriptcache) );
919 pScriptcache->hdc = (HDC) hdc;
920 phdc = hdc;
921 *psc = (Scriptcache *) pScriptcache;
922 } else
923 if (*psc) {
924 pScriptcache = (Scriptcache *) *psc;
925 phdc = pScriptcache->hdc;
926 }
927
928 TRACE("Before: ");
929 for (cnt = 0; cnt < cChars; cnt++)
930 TRACE("%4x",pwcChars[cnt]);
931 TRACE("\n");
932
933 if (!psa->fNoGlyphIndex) { /* Glyph translate */
934 hr = GetGlyphIndicesW(phdc, pwcChars, cChars, pwOutGlyphs, 0);
935 TRACE("After: ");
936 for (cnt = 0; cnt < cChars; cnt++) {
937 TRACE("%04x",pwOutGlyphs[cnt]);
938 }
939 TRACE("\n");
940 }
941 else {
942 TRACE("After: ");
943 for (cnt = 0; cnt < cChars; cnt++) { /* no translate so set up */
944 pwOutGlyphs[cnt] = pwcChars[cnt]; /* copy in to out and */
945 TRACE("%04x",pwOutGlyphs[cnt]);
946 }
947 TRACE("\n");
948 }
949
950 /* Set up a valid SCRIPT_VISATTR and LogClust for each char in this run */
951 for (cnt = 0; cnt < cChars; cnt++) {
952 psva[cnt].uJustification = 2;
953 psva[cnt].fClusterStart = 1;
954 psva[cnt].fDiacritic = 0;
955 psva[cnt].fZeroWidth = 0;
956 pwLogClust[cnt] = cnt;
957 }
958 return 0;
959 }
960
961 /***********************************************************************
962 * ScriptPlace (USP10.@)
963 *
964 */
965 HRESULT WINAPI ScriptPlace(HDC hdc, SCRIPT_CACHE *psc, const WORD *pwGlyphs,
966 int cGlyphs, const SCRIPT_VISATTR *psva,
967 SCRIPT_ANALYSIS *psa, int *piAdvance, GOFFSET *pGoffset, ABC *pABC )
968 {
969 HDC phdc;
970 int wcnt;
971 LPABC lpABC;
972 Scriptcache *pScriptcache;
973 FIXME("(%p, %p, %p, %s, %d, %p, %p, %p): semi-stub\n", hdc, psc, pwGlyphs,
974 debugstr_wn(pwGlyphs, cGlyphs),
975 cGlyphs, psva, psa,
976 piAdvance);
977
978 /* We need a valid hdc to do any of the font calls. The spec says that hdc is optional and
979 * psc will be used first. If psc and hdc are not specified E_PENDING is returned to get
980 * the caller to return the hdc. For convenience, the hdc is cached in SCRIPT_CACHE. */
981
982 if (!hdc && !*psc) {
983 TRACE("No Script_Cache (psc) and no hdc. Ask for one. Hdc=%p, psc=%p\n", hdc, *psc);
984 return E_PENDING;
985 } else
986 if (hdc && !*psc) {
987 pScriptcache = HeapAlloc( GetProcessHeap(), 0, sizeof(Scriptcache) );
988 pScriptcache->hdc = hdc;
989 phdc = hdc;
990 *psc = pScriptcache;
991 } else
992 if (*psc) {
993 pScriptcache = *psc;
994 phdc = pScriptcache->hdc;
995 }
996
997 /* Here we need to calculate the width of the run unit. At this point the input string
998 * has been converted to glyphs and we still need to translate back to the original chars
999 * to get the correct ABC widths. */
1000
1001 lpABC = HeapAlloc(GetProcessHeap(), 0 , sizeof(ABC)*cGlyphs);
1002 pABC->abcA = 0;
1003 pABC->abcB = 0;
1004 pABC->abcC = 0;
1005 if (!GetCharABCWidthsI(phdc, 0, cGlyphs, (WORD *) pwGlyphs, lpABC ))
1006 {
1007 WARN("Could not get ABC values\n");
1008 for (wcnt = 0; wcnt < cGlyphs; wcnt++) {
1009 piAdvance[wcnt] = 0;
1010 pGoffset[wcnt].du = 0;
1011 pGoffset[wcnt].dv = 0;
1012 }
1013 }
1014 else
1015 {
1016 for (wcnt = 0; wcnt < cGlyphs ; wcnt++) { /* add up the char lengths */
1017 TRACE(" Glyph=%04x, abcA=%d, abcB=%d, abcC=%d wcnt=%d\n",
1018 pwGlyphs[wcnt],
1019 lpABC[wcnt].abcA,
1020 lpABC[wcnt].abcB,
1021 lpABC[wcnt].abcC, wcnt);
1022 pABC->abcA += lpABC[wcnt].abcA;
1023 pABC->abcB += lpABC[wcnt].abcB;
1024 pABC->abcC += lpABC[wcnt].abcC;
1025 piAdvance[wcnt] = lpABC[wcnt].abcA + lpABC[wcnt].abcB + lpABC[wcnt].abcC;
1026 pGoffset[wcnt].du = 0;
1027 pGoffset[wcnt].dv = 0;
1028 }
1029 }
1030 TRACE("Total for run: abcA=%d, abcB=%d, abcC=%d\n", pABC->abcA, pABC->abcB, pABC->abcC);
1031
1032 HeapFree(GetProcessHeap(), 0, lpABC );
1033
1034 return 0;
1035 }
1036
1037 /***********************************************************************
1038 * ScriptGetCMap (USP10.@)
1039 *
1040 */
1041 HRESULT WINAPI ScriptGetCMap(HDC hdc, SCRIPT_CACHE *psc, const WCHAR *pwcInChars,
1042 int cChars, DWORD dwFlags, WORD *pwOutGlyphs)
1043 {
1044 HDC phdc;
1045 int cnt;
1046 DWORD hr;
1047 Scriptcache *pScriptcache;
1048 FIXME("(%p,%p,%s,%d,0x%x,%p): semi-stub\n", hdc, psc, debugstr_wn(pwcInChars,cChars),
1049 cChars, dwFlags, pwOutGlyphs);
1050
1051 if (!psc)
1052 return E_INVALIDARG;
1053
1054 if (!hdc && !*psc) {
1055 TRACE("No Script_Cache (psc) and no hdc. Ask for one. Hdc=%p, psc=%p\n", hdc, *psc);
1056 return E_PENDING;
1057 } else
1058 if (hdc && !*psc) {
1059 pScriptcache = HeapAlloc( GetProcessHeap(), 0, sizeof(Scriptcache) );
1060 pScriptcache->hdc = hdc;
1061 phdc = hdc;
1062 *psc = pScriptcache;
1063 } else
1064 if (*psc) {
1065 pScriptcache = *psc;
1066 phdc = pScriptcache->hdc;
1067 }
1068
1069 TRACE("Before: ");
1070 for (cnt = 0; cnt < cChars; cnt++)
1071 TRACE("%4x",pwcInChars[cnt]);
1072 TRACE("\n");
1073
1074 hr = GetGlyphIndicesW(phdc, pwcInChars, cChars, pwOutGlyphs, 0);
1075 TRACE("After: ");
1076 for (cnt = 0; cnt < cChars; cnt++) {
1077 TRACE("%04x",pwOutGlyphs[cnt]);
1078 }
1079 TRACE("\n");
1080
1081 return 0;
1082 }
1083
1084 /***********************************************************************
1085 * ScriptTextOut (USP10.@)
1086 *
1087 */
1088 HRESULT WINAPI ScriptTextOut(const HDC hdc, SCRIPT_CACHE *psc, int x, int y, UINT fuOptions,
1089 const RECT *lprc, const SCRIPT_ANALYSIS *psa, const WCHAR *pwcReserved,
1090 int iReserved, const WORD *pwGlyphs, int cGlyphs, const int *piAdvance,
1091 const int *piJustify, const GOFFSET *pGoffset)
1092 {
1093 HDC phdc;
1094 DWORD hr;
1095 Scriptcache *pScriptcache;
1096 TRACE ("(%p, %p, %d, %d, %04x, %p, %p, %p, %d, %p, %d, %p, %p, %p): stub\n",
1097 hdc, psc, x, y, fuOptions, lprc, psa, pwcReserved, iReserved, pwGlyphs, cGlyphs,
1098 piAdvance, piJustify, pGoffset);
1099
1100 if (!hdc || !psc || !piAdvance || !psa || !pwGlyphs) /* hdc is mandatory */
1101 return E_INVALIDARG;
1102
1103 if (!*psc) {
1104 pScriptcache = HeapAlloc( GetProcessHeap(), HEAP_ZERO_MEMORY, sizeof(Scriptcache) );
1105 pScriptcache->hdc = hdc;
1106 phdc = hdc;
1107 *psc = pScriptcache;
1108 } else {
1109 pScriptcache = *psc;
1110 phdc = pScriptcache->hdc;
1111 }
1112
1113 fuOptions &= ETO_CLIPPED + ETO_OPAQUE;
1114 if (!psa->fNoGlyphIndex) /* Have Glyphs? */
1115 fuOptions |= ETO_GLYPH_INDEX; /* Say don't do translation to glyph */
1116
1117 hr = ExtTextOutW(phdc, x, y, fuOptions, lprc, pwGlyphs, cGlyphs, NULL);
1118
1119 if (hr) return S_OK;
1120 else {
1121 FIXME("ExtTextOut returned:=%d\n", hr);
1122 return hr;
1123 }
1124 }
1125
1126 /***********************************************************************
1127 * ScriptCacheGetHeight (USP10.@)
1128 *
1129 * Retrieve the height of the font in the cache.
1130 *
1131 * PARAMS
1132 * hdc [I] Device context.
1133 * psc [I/O] Opaque pointer to a script cache.
1134 * height [O] Receives font height.
1135 *
1136 * RETURNS
1137 * Success: S_OK
1138 * Failure: Non-zero HRESULT value.
1139 */
1140 HRESULT WINAPI ScriptCacheGetHeight(HDC hdc, SCRIPT_CACHE *psc, long *height)
1141 {
1142 HDC phdc;
1143 Scriptcache *pScriptcache;
1144 TEXTMETRICW metric;
1145
1146 TRACE("(%p, %p, %p)\n", hdc, psc, height);
1147
1148 if (!psc || !height)
1149 return E_INVALIDARG;
1150
1151 if (!hdc) return E_PENDING;
1152
1153 if (!*psc) {
1154 pScriptcache = HeapAlloc(GetProcessHeap(), HEAP_ZERO_MEMORY, sizeof(Scriptcache));
1155 pScriptcache->hdc = hdc;
1156 phdc = hdc;
1157 *psc = pScriptcache;
1158 } else {
1159 pScriptcache = *psc;
1160 phdc = pScriptcache->hdc;
1161 }
1162
1163 /* FIXME: get this from the cache */
1164 if (!GetTextMetricsW(phdc, &metric))
1165 return E_INVALIDARG;
1166
1167 *height = metric.tmHeight;
1168 return S_OK;
1169 }
1170
1171 /***********************************************************************
1172 * ScriptGetGlyphABCWidth (USP10.@)
1173 *
1174 * Retrieve the width of a glyph.
1175 *
1176 * PARAMS
1177 * hdc [I] Device context.
1178 * psc [I/O] Opaque pointer to a script cache.
1179 * glyph [I] Glyph to retrieve the width for.
1180 * abc [O] ABC widths of the glyph.
1181 *
1182 * RETURNS
1183 * Success: S_OK
1184 * Failure: Non-zero HRESULT value.
1185 */
1186 HRESULT WINAPI ScriptGetGlyphABCWidth(HDC hdc, SCRIPT_CACHE *psc, WORD glyph, ABC *abc)
1187 {
1188 HDC phdc;
1189 Scriptcache *pScriptcache;
1190
1191 TRACE("(%p, %p, 0x%04x, %p)\n", hdc, psc, glyph, abc);
1192
1193 if (!psc)
1194 return E_INVALIDARG;
1195
1196 if (!hdc) return E_PENDING;
1197
1198 if (!*psc) {
1199 pScriptcache = HeapAlloc(GetProcessHeap(), HEAP_ZERO_MEMORY, sizeof(Scriptcache));
1200 pScriptcache->hdc = hdc;
1201 phdc = hdc;
1202 *psc = pScriptcache;
1203 } else {
1204 pScriptcache = *psc;
1205 phdc = pScriptcache->hdc;
1206 }
1207
1208 /* FIXME: get this from the cache */
1209 if (!GetCharABCWidthsW(phdc, glyph, glyph, abc))
1210 return E_HANDLE;
1211
1212 return S_OK;
1213 }
1214
1215 /***********************************************************************
1216 * ScriptLayout (USP10.@)
1217 *
1218 * Map embedding levels to visual and/or logical order.
1219 *
1220 * PARAMS
1221 * runs [I] Size of level array.
1222 * level [I] Array of embedding levels.
1223 * vistolog [O] Map of embedding levels from visual to logical order.
1224 * logtovis [O] Map of embedding levels from logical to visual order.
1225 *
1226 * RETURNS
1227 * Success: S_OK
1228 * Failure: Non-zero HRESULT value.
1229 *
1230 * BUGS
1231 * This stub works correctly for any sequence of a single
1232 * embedding level but not for sequences of different
1233 * embedding levels, i.e. mixtures of RTL and LTR scripts.
1234 */
1235 HRESULT WINAPI ScriptLayout(int runs, const BYTE *level, int *vistolog, int *logtovis)
1236 {
1237 int i, j = runs - 1, k = 0;
1238
1239 FIXME("(%d, %p, %p, %p): stub\n", runs, level, vistolog, logtovis);
1240
1241 if (!level || (!vistolog && !logtovis))
1242 return E_INVALIDARG;
1243
1244 for (i = 0; i < runs; i++)
1245 {
1246 if (level[i] % 2)
1247 {
1248 if (vistolog) *vistolog++ = j;
1249 if (logtovis) *logtovis++ = j;
1250 j--;
1251 }
1252 else
1253 {
1254 if (vistolog) *vistolog++ = k;
1255 if (logtovis) *logtovis++ = k;
1256 k++;
1257 }
1258 }
1259 return S_OK;
1260 }
1261
1262 /***********************************************************************
1263 * ScriptStringValidate (USP10.@)
1264 *
1265 * Validate a string analysis.
1266 *
1267 * PARAMS
1268 * ssa [I] string analysis.
1269 *
1270 * RETURNS
1271 * Success: S_OK
1272 * Failure: S_FALSE if invalid sequences are found
1273 * or a non-zero HRESULT if it fails.
1274 */
1275 HRESULT WINAPI ScriptStringValidate(SCRIPT_STRING_ANALYSIS ssa)
1276 {
1277 FIXME("(%p): stub\n", ssa);
1278 return S_OK;
1279 }
useful hacks and other patches not (yet) suitable for mainline