Sync usp10 with Wine again, fixes the corrupted text display in AbiWord.
[reactos.git] / reactos / dll / win32 / usp10 / usp10.c
1 /*
2 * Implementation of Uniscribe Script Processor (usp10.dll)
3 *
4 * Copyright 2005 Steven Edwards for CodeWeavers
5 * Copyright 2006 Hans Leidekker
6 *
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.
11 *
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.
16 *
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
20 *
21 * Notes:
22 * Uniscribe allows for processing of complex scripts such as joining
23 * and filtering characters and bi-directional text with custom line breaks.
24 */
25
26 #include <stdarg.h>
27
28 #include "windef.h"
29 #include "winbase.h"
30 #include "wingdi.h"
31 #include "winuser.h"
32 #include "winnls.h"
33 #include "usp10.h"
34
35 #include "wine/debug.h"
36 #include "wine/unicode.h"
37
38 WINE_DEFAULT_DEBUG_CHANNEL(uniscribe);
39
40 static const SCRIPT_PROPERTIES props[] =
41 {
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 },
116 };
117
118 static const SCRIPT_PROPERTIES *script_props[] =
119 {
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],
138 &props[73]
139 };
140
141 typedef struct {
142 HDC hdc;
143 LOGFONTW lf;
144 TEXTMETRICW tm;
145 } ScriptCache;
146
147 typedef struct {
148 int numGlyphs;
149 WORD* glyphs;
150 WORD* pwLogClust;
151 int* piAdvance;
152 SCRIPT_VISATTR* psva;
153 GOFFSET* pGoffset;
154 ABC* abc;
155 } StringGlyphs;
156
157 typedef struct {
158 BOOL invalid;
159 int clip_len;
160 ScriptCache *sc;
161 int cItems;
162 int cMaxGlyphs;
163 SCRIPT_ITEM* pItem;
164 int numItems;
165 StringGlyphs* glyphs;
166 SCRIPT_LOGATTR* logattrs;
167 SIZE* sz;
168 } StringAnalysis;
169
170 static inline void *heap_alloc(SIZE_T size)
171 {
172 return HeapAlloc(GetProcessHeap(), 0, size);
173 }
174
175 static inline void *heap_alloc_zero(SIZE_T size)
176 {
177 return HeapAlloc(GetProcessHeap(), HEAP_ZERO_MEMORY, size);
178 }
179
180 static inline void *heap_realloc_zero(LPVOID mem, SIZE_T size)
181 {
182 return HeapReAlloc(GetProcessHeap(), HEAP_ZERO_MEMORY, mem, size);
183 }
184
185 static inline BOOL heap_free(LPVOID mem)
186 {
187 return HeapFree(GetProcessHeap(), 0, mem);
188 }
189
190 static HDC get_cache_hdc(SCRIPT_CACHE *psc)
191 {
192 return ((ScriptCache *)*psc)->hdc;
193 }
194
195 static WCHAR get_cache_default_char(SCRIPT_CACHE *psc)
196 {
197 return ((ScriptCache *)*psc)->tm.tmDefaultChar;
198 }
199
200 static LONG get_cache_height(SCRIPT_CACHE *psc)
201 {
202 return ((ScriptCache *)*psc)->tm.tmHeight;
203 }
204
205 static BYTE get_cache_pitch_family(SCRIPT_CACHE *psc)
206 {
207 return ((ScriptCache *)*psc)->tm.tmPitchAndFamily;
208 }
209
210 static HRESULT init_script_cache(const HDC hdc, ScriptCache *sc)
211 {
212 if (!GetTextMetricsW(hdc, &sc->tm)) return E_INVALIDARG;
213 if (!GetObjectW(GetCurrentObject(hdc, OBJ_FONT), sizeof(LOGFONTW), &sc->lf)) return E_INVALIDARG;
214 sc->hdc = hdc;
215 return S_OK;
216 }
217
218 static HRESULT get_script_cache(const HDC hdc, SCRIPT_CACHE *psc)
219 {
220 if (!psc) return E_INVALIDARG;
221 if (!*psc)
222 {
223 HRESULT ret;
224 ScriptCache *sc;
225
226 if (!hdc) return E_PENDING;
227 if (!(sc = heap_alloc_zero(sizeof(ScriptCache)))) return E_OUTOFMEMORY;
228 if ((ret = init_script_cache(hdc, sc)))
229 {
230 heap_free(sc);
231 return ret;
232 }
233 *psc = sc;
234 }
235 TRACE("<- %p\n", *psc);
236 return S_OK;
237 }
238
239 static HFONT select_cached_font(SCRIPT_CACHE *psc)
240 {
241 HFONT old_font;
242 ScriptCache *sc = *psc;
243
244 old_font = SelectObject(sc->hdc, CreateFontIndirectW(&sc->lf));
245 return old_font;
246 }
247
248 static void unselect_cached_font(SCRIPT_CACHE *psc, HFONT old_font)
249 {
250 ScriptCache *sc = *psc;
251 DeleteObject(SelectObject(sc->hdc, old_font));
252 }
253
254 /***********************************************************************
255 * DllMain
256 *
257 */
258 BOOL WINAPI DllMain(HINSTANCE hInstDLL, DWORD fdwReason, LPVOID lpv)
259 {
260 switch(fdwReason)
261 {
262 case DLL_PROCESS_ATTACH:
263 DisableThreadLibraryCalls(hInstDLL);
264 break;
265 case DLL_PROCESS_DETACH:
266 break;
267 }
268 return TRUE;
269 }
270
271 /***********************************************************************
272 * ScriptFreeCache (USP10.@)
273 *
274 * Free a script cache.
275 *
276 * PARAMS
277 * psc [I/O] Script cache.
278 *
279 * RETURNS
280 * Success: S_OK
281 * Failure: Non-zero HRESULT value.
282 */
283 HRESULT WINAPI ScriptFreeCache(SCRIPT_CACHE *psc)
284 {
285 TRACE("%p\n", psc);
286
287 if (psc)
288 {
289 heap_free(*psc);
290 *psc = NULL;
291 }
292 return S_OK;
293 }
294
295 /***********************************************************************
296 * ScriptGetProperties (USP10.@)
297 *
298 * Retrieve a list of script properties.
299 *
300 * PARAMS
301 * props [I] Pointer to an array of SCRIPT_PROPERTIES pointers.
302 * num [I] Pointer to the number of scripts.
303 *
304 * RETURNS
305 * Success: S_OK
306 * Failure: Non-zero HRESULT value.
307 *
308 * NOTES
309 * Behaviour matches WinXP.
310 */
311 HRESULT WINAPI ScriptGetProperties(const SCRIPT_PROPERTIES ***props, int *num)
312 {
313 TRACE("(%p,%p)\n", props, num);
314
315 if (!props && !num) return E_INVALIDARG;
316
317 if (num) *num = sizeof(script_props)/sizeof(script_props[0]);
318 if (props) *props = script_props;
319
320 return S_OK;
321 }
322
323 /***********************************************************************
324 * ScriptGetFontProperties (USP10.@)
325 *
326 * Get information on special glyphs.
327 *
328 * PARAMS
329 * hdc [I] Device context.
330 * psc [I/O] Opaque pointer to a script cache.
331 * sfp [O] Font properties structure.
332 */
333 HRESULT WINAPI ScriptGetFontProperties(HDC hdc, SCRIPT_CACHE *psc, SCRIPT_FONTPROPERTIES *sfp)
334 {
335 HRESULT hr;
336
337 TRACE("%p,%p,%p\n", hdc, psc, sfp);
338
339 if (!sfp) return E_INVALIDARG;
340 if ((hr = get_script_cache(hdc, psc))) return hr;
341
342 if (sfp->cBytes != sizeof(SCRIPT_FONTPROPERTIES))
343 return E_INVALIDARG;
344
345 /* return something sensible? */
346 sfp->wgBlank = 0;
347 sfp->wgDefault = get_cache_default_char(psc);
348 sfp->wgInvalid = 0;
349 sfp->wgKashida = 0xffff;
350 sfp->iKashidaWidth = 0;
351
352 return S_OK;
353 }
354
355 /***********************************************************************
356 * ScriptRecordDigitSubstitution (USP10.@)
357 *
358 * Record digit substitution settings for a given locale.
359 *
360 * PARAMS
361 * locale [I] Locale identifier.
362 * sds [I] Structure to record substitution settings.
363 *
364 * RETURNS
365 * Success: S_OK
366 * Failure: E_POINTER if sds is NULL, E_INVALIDARG otherwise.
367 *
368 * SEE ALSO
369 * http://blogs.msdn.com/michkap/archive/2006/02/22/536877.aspx
370 */
371 HRESULT WINAPI ScriptRecordDigitSubstitution(LCID locale, SCRIPT_DIGITSUBSTITUTE *sds)
372 {
373 DWORD plgid, sub;
374
375 TRACE("0x%x, %p\n", locale, sds);
376
377 /* This implementation appears to be correct for all languages, but it's
378 * not clear if sds->DigitSubstitute is ever set to anything except
379 * CONTEXT or NONE in reality */
380
381 if (!sds) return E_POINTER;
382
383 locale = ConvertDefaultLocale(locale);
384
385 if (!IsValidLocale(locale, LCID_INSTALLED))
386 return E_INVALIDARG;
387
388 plgid = PRIMARYLANGID(LANGIDFROMLCID(locale));
389 sds->TraditionalDigitLanguage = plgid;
390
391 if (plgid == LANG_ARABIC || plgid == LANG_FARSI)
392 sds->NationalDigitLanguage = plgid;
393 else
394 sds->NationalDigitLanguage = LANG_ENGLISH;
395
396 if (!GetLocaleInfoW(locale, LOCALE_IDIGITSUBSTITUTION | LOCALE_RETURN_NUMBER,
397 (LPWSTR)&sub, sizeof(sub)/sizeof(WCHAR))) return E_INVALIDARG;
398
399 switch (sub)
400 {
401 case 0:
402 if (plgid == LANG_ARABIC || plgid == LANG_FARSI)
403 sds->DigitSubstitute = SCRIPT_DIGITSUBSTITUTE_CONTEXT;
404 else
405 sds->DigitSubstitute = SCRIPT_DIGITSUBSTITUTE_NONE;
406 break;
407 case 1:
408 sds->DigitSubstitute = SCRIPT_DIGITSUBSTITUTE_NONE;
409 break;
410 case 2:
411 sds->DigitSubstitute = SCRIPT_DIGITSUBSTITUTE_NATIONAL;
412 break;
413 default:
414 sds->DigitSubstitute = SCRIPT_DIGITSUBSTITUTE_TRADITIONAL;
415 break;
416 }
417
418 sds->dwReserved = 0;
419 return S_OK;
420 }
421
422 /***********************************************************************
423 * ScriptApplyDigitSubstitution (USP10.@)
424 *
425 * Apply digit substitution settings.
426 *
427 * PARAMS
428 * sds [I] Structure with recorded substitution settings.
429 * sc [I] Script control structure.
430 * ss [I] Script state structure.
431 *
432 * RETURNS
433 * Success: S_OK
434 * Failure: E_INVALIDARG if sds is invalid. Otherwise an HRESULT.
435 */
436 HRESULT WINAPI ScriptApplyDigitSubstitution(const SCRIPT_DIGITSUBSTITUTE *sds,
437 SCRIPT_CONTROL *sc, SCRIPT_STATE *ss)
438 {
439 SCRIPT_DIGITSUBSTITUTE psds;
440
441 TRACE("%p, %p, %p\n", sds, sc, ss);
442
443 if (!sc || !ss) return E_POINTER;
444 if (!sds)
445 {
446 sds = &psds;
447 if (ScriptRecordDigitSubstitution(LOCALE_USER_DEFAULT, &psds) != S_OK)
448 return E_INVALIDARG;
449 }
450
451 sc->uDefaultLanguage = LANG_ENGLISH;
452 sc->fContextDigits = 0;
453 ss->fDigitSubstitute = 0;
454
455 switch (sds->DigitSubstitute) {
456 case SCRIPT_DIGITSUBSTITUTE_CONTEXT:
457 case SCRIPT_DIGITSUBSTITUTE_NATIONAL:
458 case SCRIPT_DIGITSUBSTITUTE_NONE:
459 case SCRIPT_DIGITSUBSTITUTE_TRADITIONAL:
460 return S_OK;
461 default:
462 return E_INVALIDARG;
463 }
464 }
465
466 /***********************************************************************
467 * ScriptItemize (USP10.@)
468 *
469 * Split a Unicode string into shapeable parts.
470 *
471 * PARAMS
472 * pwcInChars [I] String to split.
473 * cInChars [I] Number of characters in pwcInChars.
474 * cMaxItems [I] Maximum number of items to return.
475 * psControl [I] Pointer to a SCRIPT_CONTROL structure.
476 * psState [I] Pointer to a SCRIPT_STATE structure.
477 * pItems [O] Buffer to receive SCRIPT_ITEM structures.
478 * pcItems [O] Number of script items returned.
479 *
480 * RETURNS
481 * Success: S_OK
482 * Failure: Non-zero HRESULT value.
483 */
484 HRESULT WINAPI ScriptItemize(const WCHAR *pwcInChars, int cInChars, int cMaxItems,
485 const SCRIPT_CONTROL *psControl, const SCRIPT_STATE *psState,
486 SCRIPT_ITEM *pItems, int *pcItems)
487 {
488
489 #define Numeric_start 0x0030
490 #define Numeric_stop 0x0039
491 #define Numeric_space 0x0020
492 #define Arabic_start 0x0600
493 #define Arabic_stop 0x06ff
494 #define Latin_start 0x0001
495 #define Latin_stop 0x024f
496 #define Script_Arabic 6
497 #define Script_Latin 1
498 #define Script_Numeric 5
499
500 int cnt = 0, index = 0;
501 int New_Script = SCRIPT_UNDEFINED;
502
503 TRACE("%s,%d,%d,%p,%p,%p,%p\n", debugstr_wn(pwcInChars, cInChars), cInChars, cMaxItems,
504 psControl, psState, pItems, pcItems);
505
506 if (!pwcInChars || !cInChars || !pItems || cMaxItems < 2)
507 return E_INVALIDARG;
508
509 pItems[index].iCharPos = 0;
510 memset(&pItems[index].a, 0, sizeof(SCRIPT_ANALYSIS));
511
512 if (pwcInChars[cnt] >= Numeric_start && pwcInChars[cnt] <= Numeric_stop)
513 pItems[index].a.eScript = Script_Numeric;
514 else
515 if (pwcInChars[cnt] >= Arabic_start && pwcInChars[cnt] <= Arabic_stop)
516 pItems[index].a.eScript = Script_Arabic;
517 else
518 if (pwcInChars[cnt] >= Latin_start && pwcInChars[cnt] <= Latin_stop)
519 pItems[index].a.eScript = Script_Latin;
520
521 if (pItems[index].a.eScript == Script_Arabic)
522 pItems[index].a.s.uBidiLevel = 1;
523
524 TRACE("New_Script=%d, eScript=%d index=%d cnt=%d iCharPos=%d\n",
525 New_Script, pItems[index].a.eScript, index, cnt,
526 pItems[index].iCharPos = cnt);
527
528 for (cnt=0; cnt < cInChars; cnt++)
529 {
530 if ((pwcInChars[cnt] >= Numeric_start && pwcInChars[cnt] <= Numeric_stop)
531 || (New_Script == Script_Numeric && pwcInChars[cnt] == Numeric_space))
532 New_Script = Script_Numeric;
533 else
534 if ((pwcInChars[cnt] >= Arabic_start && pwcInChars[cnt] <= Arabic_stop)
535 || (New_Script == Script_Arabic && pwcInChars[cnt] == Numeric_space))
536 New_Script = Script_Arabic;
537 else
538 if ((WCHAR) pwcInChars[cnt] >= Latin_start && (WCHAR) pwcInChars[cnt] <= Latin_stop)
539 New_Script = Script_Latin;
540 else
541 New_Script = SCRIPT_UNDEFINED;
542
543 if (New_Script != pItems[index].a.eScript)
544 {
545 TRACE("New_Script=%d, eScript=%d ", New_Script, pItems[index].a.eScript);
546 index++;
547 if (index+1 > cMaxItems)
548 return E_OUTOFMEMORY;
549
550 pItems[index].iCharPos = cnt;
551 memset(&pItems[index].a, 0, sizeof(SCRIPT_ANALYSIS));
552
553 if (New_Script == Script_Arabic)
554 pItems[index].a.s.uBidiLevel = 1;
555
556 pItems[index].a.eScript = New_Script;
557 if (New_Script == Script_Arabic)
558 pItems[index].a.s.uBidiLevel = 1;
559
560 TRACE("index=%d cnt=%d iCharPos=%d\n", index, cnt, pItems[index].iCharPos = cnt);
561 }
562 }
563
564 /* While not strictly necessary according to the spec, make sure the n+1
565 * item is set up to prevent random behaviour if the caller erroneously
566 * checks the n+1 structure */
567 memset(&pItems[index+1].a, 0, sizeof(SCRIPT_ANALYSIS));
568
569 TRACE("index=%d cnt=%d iCharPos=%d\n", index+1, cnt, pItems[index+1].iCharPos = cnt);
570
571 /* Set one SCRIPT_STATE item being returned */
572 if (pcItems) *pcItems = index + 1;
573
574 /* Set SCRIPT_ITEM */
575 pItems[index+1].iCharPos = cnt; /* the last + 1 item
576 contains the ptr to the lastchar */
577 return S_OK;
578 }
579
580 /***********************************************************************
581 * ScriptStringAnalyse (USP10.@)
582 *
583 */
584 HRESULT WINAPI ScriptStringAnalyse(HDC hdc, const void *pString, int cString,
585 int cGlyphs, int iCharset, DWORD dwFlags,
586 int iReqWidth, SCRIPT_CONTROL *psControl,
587 SCRIPT_STATE *psState, const int *piDx,
588 SCRIPT_TABDEF *pTabdef, const BYTE *pbInClass,
589 SCRIPT_STRING_ANALYSIS *pssa)
590 {
591 HRESULT hr = E_OUTOFMEMORY;
592 StringAnalysis *analysis = NULL;
593 int i, num_items = 255;
594
595 TRACE("(%p,%p,%d,%d,%d,0x%x,%d,%p,%p,%p,%p,%p,%p)\n",
596 hdc, pString, cString, cGlyphs, iCharset, dwFlags, iReqWidth,
597 psControl, psState, piDx, pTabdef, pbInClass, pssa);
598
599 if (iCharset != -1)
600 {
601 FIXME("Only Unicode strings are supported\n");
602 return E_INVALIDARG;
603 }
604 if (cString < 1 || !pString) return E_INVALIDARG;
605 if ((dwFlags & SSA_GLYPHS) && !hdc) return E_PENDING;
606
607 if (!(analysis = heap_alloc_zero(sizeof(StringAnalysis)))) return E_OUTOFMEMORY;
608 if (!(analysis->pItem = heap_alloc_zero(num_items * sizeof(SCRIPT_ITEM) + 1))) goto error;
609
610 /* FIXME: handle clipping */
611 analysis->clip_len = cString;
612
613 hr = ScriptItemize(pString, cString, num_items, psControl, psState, analysis->pItem,
614 &analysis->numItems);
615
616 while (hr == E_OUTOFMEMORY)
617 {
618 SCRIPT_ITEM *tmp;
619
620 num_items *= 2;
621 if (!(tmp = heap_realloc_zero(analysis->pItem, num_items * sizeof(SCRIPT_ITEM) + 1)))
622 goto error;
623
624 analysis->pItem = tmp;
625 hr = ScriptItemize(pString, cString, num_items, psControl, psState, analysis->pItem,
626 &analysis->numItems);
627 }
628 if (hr) goto error;
629
630 if ((analysis->logattrs = heap_alloc(sizeof(SCRIPT_LOGATTR) * cString)))
631 ScriptBreak(pString, cString, (SCRIPT_STRING_ANALYSIS)analysis, analysis->logattrs);
632 else
633 goto error;
634
635 if (!(analysis->glyphs = heap_alloc_zero(sizeof(StringGlyphs) * analysis->numItems)))
636 goto error;
637
638 for (i = 0; i < analysis->numItems; i++)
639 {
640 SCRIPT_CACHE *sc = (SCRIPT_CACHE *)&analysis->sc;
641 int cChar = analysis->pItem[i+1].iCharPos - analysis->pItem[i].iCharPos;
642 int numGlyphs = 1.5 * cChar + 16;
643 WORD *glyphs = heap_alloc_zero(sizeof(WORD) * numGlyphs);
644 WORD *pwLogClust = heap_alloc_zero(sizeof(WORD) * cChar);
645 int *piAdvance = heap_alloc_zero(sizeof(int) * numGlyphs);
646 SCRIPT_VISATTR *psva = heap_alloc_zero(sizeof(SCRIPT_VISATTR) * cChar);
647 GOFFSET *pGoffset = heap_alloc_zero(sizeof(GOFFSET) * numGlyphs);
648 ABC *abc = heap_alloc_zero(sizeof(ABC));
649 int numGlyphsReturned;
650
651 /* FIXME: non unicode strings */
652 WCHAR* pStr = (WCHAR*)pString;
653 hr = ScriptShape(hdc, sc, &pStr[analysis->pItem[i].iCharPos],
654 cChar, numGlyphs, &analysis->pItem[i].a,
655 glyphs, pwLogClust, psva, &numGlyphsReturned);
656 hr = ScriptPlace(hdc, sc, glyphs, numGlyphsReturned, psva, &analysis->pItem[i].a,
657 piAdvance, pGoffset, abc);
658
659 analysis->glyphs[i].numGlyphs = numGlyphsReturned;
660 analysis->glyphs[i].glyphs = glyphs;
661 analysis->glyphs[i].pwLogClust = pwLogClust;
662 analysis->glyphs[i].piAdvance = piAdvance;
663 analysis->glyphs[i].psva = psva;
664 analysis->glyphs[i].pGoffset = pGoffset;
665 analysis->glyphs[i].abc = abc;
666 }
667
668 *pssa = analysis;
669 return S_OK;
670
671 error:
672 heap_free(analysis->glyphs);
673 heap_free(analysis->logattrs);
674 heap_free(analysis->pItem);
675 heap_free(analysis->sc);
676 heap_free(analysis);
677 return hr;
678 }
679
680 /***********************************************************************
681 * ScriptStringOut (USP10.@)
682 *
683 * This function takes the output of ScriptStringAnalyse and joins the segments
684 * of glyphs and passes the resulting string to ScriptTextOut. ScriptStringOut
685 * only processes glyphs.
686 *
687 * Parameters:
688 * ssa [I] buffer to hold the analysed string components
689 * iX [I] X axis displacement for output
690 * iY [I] Y axis displacement for output
691 * uOptions [I] flags controling output processing
692 * prc [I] rectangle coordinates
693 * iMinSel [I] starting pos for substringing output string
694 * iMaxSel [I] ending pos for substringing output string
695 * fDisabled [I] controls text highlighting
696 *
697 * RETURNS
698 * Success: S_OK
699 * Failure: is the value returned by ScriptTextOut
700 */
701 HRESULT WINAPI ScriptStringOut(SCRIPT_STRING_ANALYSIS ssa,
702 int iX,
703 int iY,
704 UINT uOptions,
705 const RECT *prc,
706 int iMinSel,
707 int iMaxSel,
708 BOOL fDisabled)
709 {
710 StringAnalysis *analysis;
711 WORD *glyphs;
712 int item, cnt, x;
713 HRESULT hr;
714
715 TRACE("(%p,%d,%d,0x%1x,%p,%d,%d,%d)\n",
716 ssa, iX, iY, uOptions, prc, iMinSel, iMaxSel, fDisabled);
717
718 if (!(analysis = ssa)) return E_INVALIDARG;
719
720 /*
721 * Get storage for the output buffer for the consolidated strings
722 */
723 cnt = 0;
724 for (item = 0; item < analysis->numItems; item++)
725 {
726 cnt += analysis->glyphs[item].numGlyphs;
727 }
728 if (!(glyphs = heap_alloc(sizeof(WCHAR) * cnt))) return E_OUTOFMEMORY;
729
730 /*
731 * ScriptStringOut only processes glyphs hence set ETO_GLYPH_INDEX
732 */
733 uOptions |= ETO_GLYPH_INDEX;
734 analysis->pItem[0].a.fNoGlyphIndex = FALSE; /* say that we have glyphs */
735
736 /*
737 * Copy the string items into the output buffer
738 */
739
740 TRACE("numItems %d\n", analysis->numItems);
741
742 cnt = 0;
743 for (item = 0; item < analysis->numItems; item++)
744 {
745 memcpy(&glyphs[cnt], analysis->glyphs[item].glyphs,
746 sizeof(WCHAR) * analysis->glyphs[item].numGlyphs);
747
748 TRACE("Item %d, Glyphs %d ", item, analysis->glyphs[item].numGlyphs);
749 for (x = cnt; x < analysis->glyphs[item].numGlyphs + cnt; x ++)
750 TRACE("%04x", glyphs[x]);
751 TRACE("\n");
752
753 cnt += analysis->glyphs[item].numGlyphs; /* point to the end of the copied text */
754 }
755
756 hr = ScriptTextOut(analysis->sc->hdc, (SCRIPT_CACHE *)&analysis->sc, iX, iY,
757 uOptions, prc, &analysis->pItem->a, NULL, 0, glyphs, cnt,
758 analysis->glyphs->piAdvance, NULL, analysis->glyphs->pGoffset);
759 TRACE("ScriptTextOut hr=%08x\n", hr);
760
761 /*
762 * Free the output buffer and script cache
763 */
764 heap_free(glyphs);
765 return hr;
766 }
767
768 /***********************************************************************
769 * ScriptStringCPtoX (USP10.@)
770 *
771 */
772 HRESULT WINAPI ScriptStringCPtoX(SCRIPT_STRING_ANALYSIS ssa, int icp, BOOL fTrailing, int* pX)
773 {
774 int i, j;
775 int runningX = 0;
776 int runningCp = 0;
777 StringAnalysis* analysis = ssa;
778
779 TRACE("(%p), %d, %d, (%p)\n", ssa, icp, fTrailing, pX);
780
781 if (!ssa || !pX) return S_FALSE;
782
783 /* icp out of range */
784 if(icp < 0)
785 {
786 analysis->invalid = TRUE;
787 return E_INVALIDARG;
788 }
789
790 for(i=0; i<analysis->numItems; i++)
791 {
792 for(j=0; j<analysis->glyphs[i].numGlyphs; j++)
793 {
794 if(runningCp == icp && fTrailing == FALSE)
795 {
796 *pX = runningX;
797 return S_OK;
798 }
799 runningX += analysis->glyphs[i].piAdvance[j];
800 if(runningCp == icp && fTrailing == TRUE)
801 {
802 *pX = runningX;
803 return S_OK;
804 }
805 runningCp++;
806 }
807 }
808
809 /* icp out of range */
810 analysis->invalid = TRUE;
811 return E_INVALIDARG;
812 }
813
814 /***********************************************************************
815 * ScriptStringXtoCP (USP10.@)
816 *
817 */
818 HRESULT WINAPI ScriptStringXtoCP(SCRIPT_STRING_ANALYSIS ssa, int iX, int* piCh, int* piTrailing)
819 {
820 StringAnalysis* analysis = ssa;
821 int i;
822 int j;
823 int runningX = 0;
824 int runningCp = 0;
825 int width;
826
827 TRACE("(%p), %d, (%p), (%p)\n", ssa, iX, piCh, piTrailing);
828
829 if (!ssa || !piCh || !piTrailing) return S_FALSE;
830
831 /* out of range */
832 if(iX < 0)
833 {
834 *piCh = -1;
835 *piTrailing = TRUE;
836 return S_OK;
837 }
838
839 for(i=0; i<analysis->numItems; i++)
840 {
841 for(j=0; j<analysis->glyphs[i].numGlyphs; j++)
842 {
843 width = analysis->glyphs[i].piAdvance[j];
844 if(iX < (runningX + width))
845 {
846 *piCh = runningCp;
847 if((iX - runningX) > width/2)
848 *piTrailing = TRUE;
849 else
850 *piTrailing = FALSE;
851 return S_OK;
852 }
853 runningX += width;
854 runningCp++;
855 }
856 }
857
858 /* out of range */
859 *piCh = analysis->pItem[analysis->numItems].iCharPos;
860 *piTrailing = FALSE;
861
862 return S_OK;
863 }
864
865
866 /***********************************************************************
867 * ScriptStringFree (USP10.@)
868 *
869 * Free a string analysis.
870 *
871 * PARAMS
872 * pssa [I] string analysis.
873 *
874 * RETURNS
875 * Success: S_OK
876 * Failure: Non-zero HRESULT value.
877 */
878 HRESULT WINAPI ScriptStringFree(SCRIPT_STRING_ANALYSIS *pssa)
879 {
880 StringAnalysis* analysis;
881 BOOL invalid;
882 int i;
883
884 TRACE("(%p)\n", pssa);
885
886 if (!pssa || !(analysis = *pssa)) return E_INVALIDARG;
887 invalid = analysis->invalid;
888
889 for (i = 0; i < analysis->numItems; i++)
890 {
891 heap_free(analysis->glyphs[i].glyphs);
892 heap_free(analysis->glyphs[i].pwLogClust);
893 heap_free(analysis->glyphs[i].piAdvance);
894 heap_free(analysis->glyphs[i].psva);
895 heap_free(analysis->glyphs[i].pGoffset);
896 heap_free(analysis->glyphs[i].abc);
897 }
898
899 heap_free(analysis->glyphs);
900 heap_free(analysis->pItem);
901 heap_free(analysis->logattrs);
902 heap_free(analysis->sz);
903 heap_free(analysis->sc);
904 heap_free(analysis);
905
906 if (invalid) return E_INVALIDARG;
907 return S_OK;
908 }
909
910 /***********************************************************************
911 * ScriptCPtoX (USP10.@)
912 *
913 */
914 HRESULT WINAPI ScriptCPtoX(int iCP,
915 BOOL fTrailing,
916 int cChars,
917 int cGlyphs,
918 const WORD *pwLogClust,
919 const SCRIPT_VISATTR *psva,
920 const int *piAdvance,
921 const SCRIPT_ANALYSIS *psa,
922 int *piX)
923 {
924 int item;
925 int iPosX;
926 float fMaxPosX = 0;
927 TRACE("(%d,%d,%d,%d,%p,%p,%p,%p,%p)\n",
928 iCP, fTrailing, cChars, cGlyphs, pwLogClust, psva, piAdvance,
929 psa, piX);
930 for (item=0; item < cGlyphs; item++) /* total piAdvance */
931 fMaxPosX += piAdvance[item];
932 iPosX = (fMaxPosX/cGlyphs)*(iCP+fTrailing);
933 if (iPosX > fMaxPosX)
934 iPosX = fMaxPosX;
935 *piX = iPosX; /* Return something in range */
936
937 TRACE("*piX=%d\n", *piX);
938 return S_OK;
939 }
940
941 /***********************************************************************
942 * ScriptXtoCP (USP10.@)
943 *
944 */
945 HRESULT WINAPI ScriptXtoCP(int iX,
946 int cChars,
947 int cGlyphs,
948 const WORD *pwLogClust,
949 const SCRIPT_VISATTR *psva,
950 const int *piAdvance,
951 const SCRIPT_ANALYSIS *psa,
952 int *piCP,
953 int *piTrailing)
954 {
955 int item;
956 int iPosX;
957 float fMaxPosX = 1;
958 float fAvePosX;
959 TRACE("(%d,%d,%d,%p,%p,%p,%p,%p,%p)\n",
960 iX, cChars, cGlyphs, pwLogClust, psva, piAdvance,
961 psa, piCP, piTrailing);
962 if (iX < 0) /* iX is before start of run */
963 {
964 *piCP = -1;
965 *piTrailing = TRUE;
966 return S_OK;
967 }
968
969 for (item=0; item < cGlyphs; item++) /* total piAdvance */
970 fMaxPosX += piAdvance[item];
971
972 if (iX >= fMaxPosX) /* iX too large */
973 {
974 *piCP = cChars;
975 *piTrailing = FALSE;
976 return S_OK;
977 }
978
979 fAvePosX = fMaxPosX / cGlyphs;
980 iPosX = fAvePosX;
981 for (item = 1; item < cGlyphs && iPosX < iX; item++)
982 iPosX += fAvePosX;
983 if (iPosX - iX > fAvePosX/2)
984 *piTrailing = 0;
985 else
986 *piTrailing = 1; /* yep we are over halfway */
987
988 *piCP = item -1; /* Return character position */
989 TRACE("*piCP=%d iPposX=%d\n", *piCP, iPosX);
990 return S_OK;
991 }
992
993 /***********************************************************************
994 * ScriptBreak (USP10.@)
995 *
996 * Retrieve line break information.
997 *
998 * PARAMS
999 * chars [I] Array of characters.
1000 * sa [I] String analysis.
1001 * la [I] Array of logical attribute structures.
1002 *
1003 * RETURNS
1004 * Success: S_OK
1005 * Failure: S_FALSE
1006 */
1007 HRESULT WINAPI ScriptBreak(const WCHAR *chars, int count, const SCRIPT_ANALYSIS *sa, SCRIPT_LOGATTR *la)
1008 {
1009 unsigned int i;
1010
1011 TRACE("(%s, %d, %p, %p)\n", debugstr_wn(chars, count), count, sa, la);
1012
1013 if (!la) return S_FALSE;
1014
1015 for (i = 0; i < count; i++)
1016 {
1017 memset(&la[i], 0, sizeof(SCRIPT_LOGATTR));
1018
1019 /* FIXME: set the other flags */
1020 la[i].fWhiteSpace = isspaceW(chars[i]);
1021 la[i].fCharStop = 1;
1022 }
1023 return S_OK;
1024 }
1025
1026 static const struct
1027 {
1028 WCHAR start;
1029 WCHAR end;
1030 DWORD flag;
1031 }
1032 complex_ranges[] =
1033 {
1034 { 0, 0x0b, SIC_COMPLEX },
1035 { 0x0c, 0x0c, SIC_NEUTRAL },
1036 { 0x0d, 0x1f, SIC_COMPLEX },
1037 { 0x20, 0x2f, SIC_NEUTRAL },
1038 { 0x30, 0x39, SIC_ASCIIDIGIT },
1039 { 0x3a, 0x40, SIC_NEUTRAL },
1040 { 0x5b, 0x60, SIC_NEUTRAL },
1041 { 0x7b, 0x7e, SIC_NEUTRAL },
1042 { 0x7f, 0x9f, SIC_COMPLEX },
1043 { 0xa0, 0xa5, SIC_NEUTRAL },
1044 { 0xa7, 0xa8, SIC_NEUTRAL },
1045 { 0xab, 0xab, SIC_NEUTRAL },
1046 { 0xad, 0xad, SIC_NEUTRAL },
1047 { 0xaf, 0xaf, SIC_NEUTRAL },
1048 { 0xb0, 0xb1, SIC_NEUTRAL },
1049 { 0xb4, 0xb4, SIC_NEUTRAL },
1050 { 0xb6, 0xb8, SIC_NEUTRAL },
1051 { 0xbb, 0xbf, SIC_NEUTRAL },
1052 { 0xd7, 0xd7, SIC_NEUTRAL },
1053 { 0xf7, 0xf7, SIC_NEUTRAL },
1054 { 0x2b9, 0x2ba, SIC_NEUTRAL },
1055 { 0x2c2, 0x2cf, SIC_NEUTRAL },
1056 { 0x2d2, 0x2df, SIC_NEUTRAL },
1057 { 0x2e5, 0x2e9, SIC_COMPLEX },
1058 { 0x2ea, 0x2ed, SIC_NEUTRAL },
1059 { 0x300, 0x362, SIC_COMPLEX },
1060 { 0x530, 0x60b, SIC_COMPLEX },
1061 { 0x60c, 0x60d, SIC_NEUTRAL },
1062 { 0x60e, 0x669, SIC_COMPLEX },
1063 { 0x66a, 0x66a, SIC_NEUTRAL },
1064 { 0x66b, 0x6e8, SIC_COMPLEX },
1065 { 0x6e9, 0x6e9, SIC_NEUTRAL },
1066 { 0x6ea, 0x7bf, SIC_COMPLEX },
1067 { 0x900, 0x1360, SIC_COMPLEX },
1068 { 0x137d, 0x137f, SIC_COMPLEX },
1069 { 0x1680, 0x1680, SIC_NEUTRAL },
1070 { 0x1780, 0x18af, SIC_COMPLEX },
1071 { 0x2000, 0x200a, SIC_NEUTRAL },
1072 { 0x200b, 0x200f, SIC_COMPLEX },
1073 { 0x2010, 0x2016, SIC_NEUTRAL },
1074 { 0x2018, 0x2022, SIC_NEUTRAL },
1075 { 0x2024, 0x2028, SIC_NEUTRAL },
1076 { 0x2029, 0x202e, SIC_COMPLEX },
1077 { 0x202f, 0x2037, SIC_NEUTRAL },
1078 { 0x2039, 0x203c, SIC_NEUTRAL },
1079 { 0x2044, 0x2046, SIC_NEUTRAL },
1080 { 0x206a, 0x206f, SIC_COMPLEX },
1081 { 0x207a, 0x207e, SIC_NEUTRAL },
1082 { 0x208a, 0x20aa, SIC_NEUTRAL },
1083 { 0x20ac, 0x20cf, SIC_NEUTRAL },
1084 { 0x20d0, 0x20ff, SIC_COMPLEX },
1085 { 0x2103, 0x2103, SIC_NEUTRAL },
1086 { 0x2105, 0x2105, SIC_NEUTRAL },
1087 { 0x2109, 0x2109, SIC_NEUTRAL },
1088 { 0x2116, 0x2116, SIC_NEUTRAL },
1089 { 0x2121, 0x2122, SIC_NEUTRAL },
1090 { 0x212e, 0x212e, SIC_NEUTRAL },
1091 { 0x2153, 0x2154, SIC_NEUTRAL },
1092 { 0x215b, 0x215e, SIC_NEUTRAL },
1093 { 0x2190, 0x2199, SIC_NEUTRAL },
1094 { 0x21b8, 0x21b9, SIC_NEUTRAL },
1095 { 0x21d2, 0x21d2, SIC_NEUTRAL },
1096 { 0x21d4, 0x21d4, SIC_NEUTRAL },
1097 { 0x21e7, 0x21e7, SIC_NEUTRAL },
1098 { 0x2200, 0x2200, SIC_NEUTRAL },
1099 { 0x2202, 0x2203, SIC_NEUTRAL },
1100 { 0x2207, 0x2208, SIC_NEUTRAL },
1101 { 0x220b, 0x220b, SIC_NEUTRAL },
1102 { 0x220f, 0x220f, SIC_NEUTRAL },
1103 { 0x2211, 0x2213, SIC_NEUTRAL },
1104 { 0x2215, 0x2215, SIC_NEUTRAL },
1105 { 0x221a, 0x221a, SIC_NEUTRAL },
1106 { 0x221d, 0x2220, SIC_NEUTRAL },
1107 { 0x2223, 0x2223, SIC_NEUTRAL },
1108 { 0x2225, 0x2225, SIC_NEUTRAL },
1109 { 0x2227, 0x222c, SIC_NEUTRAL },
1110 { 0x222e, 0x222e, SIC_NEUTRAL },
1111 { 0x2234, 0x2237, SIC_NEUTRAL },
1112 { 0x223c, 0x223d, SIC_NEUTRAL },
1113 { 0x2248, 0x2248, SIC_NEUTRAL },
1114 { 0x224c, 0x224c, SIC_NEUTRAL },
1115 { 0x2252, 0x2252, SIC_NEUTRAL },
1116 { 0x2260, 0x2261, SIC_NEUTRAL },
1117 { 0x2264, 0x2267, SIC_NEUTRAL },
1118 { 0x226a, 0x226b, SIC_NEUTRAL },
1119 { 0x226e, 0x226f, SIC_NEUTRAL },
1120 { 0x2282, 0x2283, SIC_NEUTRAL },
1121 { 0x2286, 0x2287, SIC_NEUTRAL },
1122 { 0x2295, 0x2295, SIC_NEUTRAL },
1123 { 0x2299, 0x2299, SIC_NEUTRAL },
1124 { 0x22a5, 0x22a5, SIC_NEUTRAL },
1125 { 0x22bf, 0x22bf, SIC_NEUTRAL },
1126 { 0x2312, 0x2312, SIC_NEUTRAL },
1127 { 0x24ea, 0x24ea, SIC_COMPLEX },
1128 { 0x2500, 0x254b, SIC_NEUTRAL },
1129 { 0x2550, 0x256d, SIC_NEUTRAL },
1130 { 0x256e, 0x2574, SIC_NEUTRAL },
1131 { 0x2581, 0x258f, SIC_NEUTRAL },
1132 { 0x2592, 0x2595, SIC_NEUTRAL },
1133 { 0x25a0, 0x25a1, SIC_NEUTRAL },
1134 { 0x25a3, 0x25a9, SIC_NEUTRAL },
1135 { 0x25b2, 0x25b3, SIC_NEUTRAL },
1136 { 0x25b6, 0x25b7, SIC_NEUTRAL },
1137 { 0x25bc, 0x25bd, SIC_NEUTRAL },
1138 { 0x25c0, 0x25c1, SIC_NEUTRAL },
1139 { 0x25c6, 0x25c8, SIC_NEUTRAL },
1140 { 0x25cb, 0x25cb, SIC_NEUTRAL },
1141 { 0x25ce, 0x25d1, SIC_NEUTRAL },
1142 { 0x25e2, 0x25e5, SIC_NEUTRAL },
1143 { 0x25ef, 0x25ef, SIC_NEUTRAL },
1144 { 0x2605, 0x2606, SIC_NEUTRAL },
1145 { 0x2609, 0x2609, SIC_NEUTRAL },
1146 { 0x260e, 0x260f, SIC_NEUTRAL },
1147 { 0x261c, 0x261c, SIC_NEUTRAL },
1148 { 0x261e, 0x261e, SIC_NEUTRAL },
1149 { 0x2640, 0x2640, SIC_NEUTRAL },
1150 { 0x2642, 0x2642, SIC_NEUTRAL },
1151 { 0x2660, 0x2661, SIC_NEUTRAL },
1152 { 0x2663, 0x2665, SIC_NEUTRAL },
1153 { 0x2667, 0x266a, SIC_NEUTRAL },
1154 { 0x266c, 0x266d, SIC_NEUTRAL },
1155 { 0x266f, 0x266f, SIC_NEUTRAL },
1156 { 0x273d, 0x273d, SIC_NEUTRAL },
1157 { 0x2e80, 0x312f, SIC_COMPLEX },
1158 { 0x3190, 0x31bf, SIC_COMPLEX },
1159 { 0x31f0, 0x31ff, SIC_COMPLEX },
1160 { 0x3220, 0x325f, SIC_COMPLEX },
1161 { 0x3280, 0xa4ff, SIC_COMPLEX },
1162 { 0xd800, 0xdfff, SIC_COMPLEX },
1163 { 0xe000, 0xf8ff, SIC_NEUTRAL },
1164 { 0xf900, 0xfaff, SIC_COMPLEX },
1165 { 0xfb13, 0xfb28, SIC_COMPLEX },
1166 { 0xfb29, 0xfb29, SIC_NEUTRAL },
1167 { 0xfb2a, 0xfb4f, SIC_COMPLEX },
1168 { 0xfd3e, 0xfd3f, SIC_NEUTRAL },
1169 { 0xfdd0, 0xfdef, SIC_COMPLEX },
1170 { 0xfe20, 0xfe6f, SIC_COMPLEX },
1171 { 0xfeff, 0xfeff, SIC_COMPLEX },
1172 { 0xff01, 0xff5e, SIC_COMPLEX },
1173 { 0xff61, 0xff9f, SIC_COMPLEX },
1174 { 0xffe0, 0xffe6, SIC_COMPLEX },
1175 { 0xffe8, 0xffee, SIC_COMPLEX },
1176 { 0xfff9, 0xfffb, SIC_COMPLEX },
1177 { 0xfffe, 0xfffe, SIC_COMPLEX }
1178 };
1179
1180 /***********************************************************************
1181 * ScriptIsComplex (USP10.@)
1182 *
1183 * Determine if a string is complex.
1184 *
1185 * PARAMS
1186 * chars [I] Array of characters to test.
1187 * len [I] Length in characters.
1188 * flag [I] Flag.
1189 *
1190 * RETURNS
1191 * Success: S_OK
1192 * Failure: S_FALSE
1193 *
1194 * NOTES
1195 * Behaviour matches that of WinXP.
1196 */
1197 HRESULT WINAPI ScriptIsComplex(const WCHAR *chars, int len, DWORD flag)
1198 {
1199 unsigned int i, j;
1200
1201 TRACE("(%s,%d,0x%x)\n", debugstr_wn(chars, len), len, flag);
1202
1203 for (i = 0; i < len; i++)
1204 {
1205 for (j = 0; j < sizeof(complex_ranges)/sizeof(complex_ranges[0]); j++)
1206 {
1207 if (chars[i] >= complex_ranges[j].start &&
1208 chars[i] <= complex_ranges[j].end &&
1209 (flag & complex_ranges[j].flag)) return S_OK;
1210 }
1211 }
1212 return S_FALSE;
1213 }
1214
1215 /***********************************************************************
1216 * ScriptShape (USP10.@)
1217 *
1218 * Produce glyphs and visual attributes for a run.
1219 *
1220 * PARAMS
1221 * hdc [I] Device context.
1222 * psc [I/O] Opaque pointer to a script cache.
1223 * pwcChars [I] Array of characters specifying the run.
1224 * cChars [I] Number of characters in pwcChars.
1225 * cMaxGlyphs [I] Length of pwOutGlyphs.
1226 * psa [I/O] Script analysis.
1227 * pwOutGlyphs [O] Array of glyphs.
1228 * pwLogClust [O] Array of logical cluster info.
1229 * psva [O] Array of visual attributes.
1230 * pcGlyphs [O] Number of glyphs returned.
1231 *
1232 * RETURNS
1233 * Success: S_OK
1234 * Failure: Non-zero HRESULT value.
1235 */
1236 HRESULT WINAPI ScriptShape(HDC hdc, SCRIPT_CACHE *psc, const WCHAR *pwcChars,
1237 int cChars, int cMaxGlyphs,
1238 SCRIPT_ANALYSIS *psa, WORD *pwOutGlyphs, WORD *pwLogClust,
1239 SCRIPT_VISATTR *psva, int *pcGlyphs)
1240 {
1241 int cnt;
1242 HRESULT hr;
1243 HFONT hfont;
1244
1245 TRACE("(%p, %p, %p, %d, %d, %p)\n", hdc, psc, pwcChars, cChars, cMaxGlyphs, psa);
1246 if (psa) TRACE("psa values: %d, %d, %d, %d, %d, %d, %d\n", psa->eScript, psa->fRTL, psa->fLayoutRTL,
1247 psa->fLinkBefore, psa->fLinkAfter, psa->fLogicalOrder, psa->fNoGlyphIndex);
1248
1249 if (!psva || !pcGlyphs) return E_INVALIDARG;
1250 if (cChars > cMaxGlyphs) return E_OUTOFMEMORY;
1251 if ((hr = get_script_cache(hdc, psc))) return hr;
1252
1253 *pcGlyphs = cChars;
1254
1255 hfont = select_cached_font(psc);
1256
1257 if ((get_cache_pitch_family(psc) & TMPF_TRUETYPE) && !psa->fNoGlyphIndex)
1258 {
1259 GetGlyphIndicesW(get_cache_hdc(psc), pwcChars, cChars, pwOutGlyphs, 0);
1260 }
1261 else
1262 {
1263 TRACE("no glyph translation\n");
1264 for (cnt = 0; cnt < cChars; cnt++) pwOutGlyphs[cnt] = pwcChars[cnt];
1265 }
1266
1267 if (psva)
1268 {
1269 /* set up a valid SCRIPT_VISATTR and LogClust for each char in this run */
1270 for (cnt = 0; cnt < cChars; cnt++)
1271 {
1272 /* FIXME: set to better values */
1273 psva[cnt].uJustification = 2;
1274 psva[cnt].fClusterStart = 1;
1275 psva[cnt].fDiacritic = 0;
1276 psva[cnt].fZeroWidth = 0;
1277
1278 if (pwLogClust) pwLogClust[cnt] = cnt;
1279 }
1280 }
1281 unselect_cached_font(psc, hfont);
1282 return S_OK;
1283 }
1284
1285 /***********************************************************************
1286 * ScriptPlace (USP10.@)
1287 *
1288 * Produce advance widths for a run.
1289 *
1290 * PARAMS
1291 * hdc [I] Device context.
1292 * psc [I/O] Opaque pointer to a script cache.
1293 * pwGlyphs [I] Array of glyphs.
1294 * cGlyphs [I] Number of glyphs in pwGlyphs.
1295 * psva [I] Array of visual attributes.
1296 * psa [I/O] String analysis.
1297 * piAdvance [O] Array of advance widths.
1298 * pGoffset [O] Glyph offsets.
1299 * pABC [O] Combined ABC width.
1300 *
1301 * RETURNS
1302 * Success: S_OK
1303 * Failure: Non-zero HRESULT value.
1304 */
1305 HRESULT WINAPI ScriptPlace(HDC hdc, SCRIPT_CACHE *psc, const WORD *pwGlyphs,
1306 int cGlyphs, const SCRIPT_VISATTR *psva,
1307 SCRIPT_ANALYSIS *psa, int *piAdvance, GOFFSET *pGoffset, ABC *pABC )
1308 {
1309 HRESULT hr;
1310 LPABC lpABC;
1311 HFONT hfont;
1312 unsigned int i;
1313
1314 TRACE("(%p, %p, %p, %s, %d, %p, %p, %p)\n", hdc, psc, pwGlyphs,
1315 debugstr_wn(pwGlyphs, cGlyphs), cGlyphs, psva, psa, piAdvance);
1316
1317 if (!psva) return E_INVALIDARG;
1318 if ((hr = get_script_cache(hdc, psc))) return hr;
1319
1320 hfont = select_cached_font(psc);
1321
1322 /* Here we need to calculate the width of the run unit. At this point the input string
1323 * has been converted to glyphs and we still need to translate back to the original chars
1324 * to get the correct ABC widths. */
1325
1326 if (!(lpABC = heap_alloc_zero(sizeof(ABC) * cGlyphs))) return E_OUTOFMEMORY;
1327 if (pABC) memset(pABC, 0, sizeof(ABC));
1328
1329 if ((get_cache_pitch_family(psc) & TMPF_TRUETYPE) && !psa->fNoGlyphIndex)
1330 {
1331 GetCharABCWidthsI(get_cache_hdc(psc), 0, cGlyphs, (WORD *)pwGlyphs, lpABC);
1332 }
1333 else
1334 {
1335 INT width;
1336 for (i = 0; i < cGlyphs; i++)
1337 {
1338 GetCharWidth32W(get_cache_hdc(psc), pwGlyphs[i], pwGlyphs[i], &width);
1339 lpABC[i].abcB = width;
1340 }
1341 }
1342
1343 for (i = 0; i < cGlyphs; i++)
1344 {
1345 TRACE(" Glyph=%04x, abcA=%d, abcB=%d, abcC=%d index=%d\n",
1346 pwGlyphs[i], lpABC[i].abcA, lpABC[i].abcB, lpABC[i].abcC, i);
1347
1348 if (pABC)
1349 {
1350 pABC->abcA += lpABC[i].abcA;
1351 pABC->abcB += lpABC[i].abcB;
1352 pABC->abcC += lpABC[i].abcC;
1353 }
1354 /* FIXME: set to more reasonable values */
1355 if (pGoffset) pGoffset[i].du = pGoffset[i].dv = 0;
1356 if (piAdvance) piAdvance[i] = lpABC[i].abcA + lpABC[i].abcB + lpABC[i].abcC;
1357 }
1358 if (pABC) TRACE("Total for run: abcA=%d, abcB=%d, abcC=%d\n", pABC->abcA, pABC->abcB, pABC->abcC);
1359
1360 heap_free(lpABC);
1361 unselect_cached_font(psc, hfont);
1362 return S_OK;
1363 }
1364
1365 /***********************************************************************
1366 * ScriptGetCMap (USP10.@)
1367 *
1368 * Retrieve glyph indices.
1369 *
1370 * PARAMS
1371 * hdc [I] Device context.
1372 * psc [I/O] Opaque pointer to a script cache.
1373 * pwcInChars [I] Array of Unicode characters.
1374 * cChars [I] Number of characters in pwcInChars.
1375 * dwFlags [I] Flags.
1376 * pwOutGlyphs [O] Buffer to receive the array of glyph indices.
1377 *
1378 * RETURNS
1379 * Success: S_OK
1380 * Failure: Non-zero HRESULT value.
1381 */
1382 HRESULT WINAPI ScriptGetCMap(HDC hdc, SCRIPT_CACHE *psc, const WCHAR *pwcInChars,
1383 int cChars, DWORD dwFlags, WORD *pwOutGlyphs)
1384 {
1385 HRESULT hr;
1386 HFONT hfont;
1387
1388 TRACE("(%p,%p,%s,%d,0x%x,%p)\n", hdc, psc, debugstr_wn(pwcInChars, cChars),
1389 cChars, dwFlags, pwOutGlyphs);
1390
1391 if ((hr = get_script_cache(hdc, psc))) return hr;
1392
1393 hfont = select_cached_font(psc);
1394 if (GetGlyphIndicesW(get_cache_hdc(psc), pwcInChars, cChars, pwOutGlyphs, 0) == GDI_ERROR)
1395 hr = S_FALSE;
1396
1397 unselect_cached_font(psc, hfont);
1398 return hr;
1399 }
1400
1401 /***********************************************************************
1402 * ScriptTextOut (USP10.@)
1403 *
1404 */
1405 HRESULT WINAPI ScriptTextOut(const HDC hdc, SCRIPT_CACHE *psc, int x, int y, UINT fuOptions,
1406 const RECT *lprc, const SCRIPT_ANALYSIS *psa, const WCHAR *pwcReserved,
1407 int iReserved, const WORD *pwGlyphs, int cGlyphs, const int *piAdvance,
1408 const int *piJustify, const GOFFSET *pGoffset)
1409 {
1410 HRESULT hr = S_OK;
1411
1412 TRACE("(%p, %p, %d, %d, %04x, %p, %p, %p, %d, %p, %d, %p, %p, %p)\n",
1413 hdc, psc, x, y, fuOptions, lprc, psa, pwcReserved, iReserved, pwGlyphs, cGlyphs,
1414 piAdvance, piJustify, pGoffset);
1415
1416 if (!hdc || !psc) return E_INVALIDARG;
1417 if (!piAdvance || !psa || !pwGlyphs) return E_INVALIDARG;
1418
1419 fuOptions &= ETO_CLIPPED + ETO_OPAQUE;
1420 if (!psa->fNoGlyphIndex) /* Have Glyphs? */
1421 fuOptions |= ETO_GLYPH_INDEX; /* Say don't do translation to glyph */
1422
1423 if (!ExtTextOutW(hdc, x, y, fuOptions, lprc, pwGlyphs, cGlyphs, NULL))
1424 hr = S_FALSE;
1425
1426 return hr;
1427 }
1428
1429 /***********************************************************************
1430 * ScriptCacheGetHeight (USP10.@)
1431 *
1432 * Retrieve the height of the font in the cache.
1433 *
1434 * PARAMS
1435 * hdc [I] Device context.
1436 * psc [I/O] Opaque pointer to a script cache.
1437 * height [O] Receives font height.
1438 *
1439 * RETURNS
1440 * Success: S_OK
1441 * Failure: Non-zero HRESULT value.
1442 */
1443 HRESULT WINAPI ScriptCacheGetHeight(HDC hdc, SCRIPT_CACHE *psc, LONG *height)
1444 {
1445 HRESULT hr;
1446
1447 TRACE("(%p, %p, %p)\n", hdc, psc, height);
1448
1449 if (!height) return E_INVALIDARG;
1450 if ((hr = get_script_cache(hdc, psc))) return hr;
1451
1452 *height = get_cache_height(psc);
1453 return S_OK;
1454 }
1455
1456 /***********************************************************************
1457 * ScriptGetGlyphABCWidth (USP10.@)
1458 *
1459 * Retrieve the width of a glyph.
1460 *
1461 * PARAMS
1462 * hdc [I] Device context.
1463 * psc [I/O] Opaque pointer to a script cache.
1464 * glyph [I] Glyph to retrieve the width for.
1465 * abc [O] ABC widths of the glyph.
1466 *
1467 * RETURNS
1468 * Success: S_OK
1469 * Failure: Non-zero HRESULT value.
1470 */
1471 HRESULT WINAPI ScriptGetGlyphABCWidth(HDC hdc, SCRIPT_CACHE *psc, WORD glyph, ABC *abc)
1472 {
1473 HFONT hfont;
1474 HRESULT hr = S_OK;
1475
1476 TRACE("(%p, %p, 0x%04x, %p)\n", hdc, psc, glyph, abc);
1477
1478 if ((hr = get_script_cache(hdc, psc))) return hr;
1479
1480 hfont = select_cached_font(psc);
1481 if (!GetCharABCWidthsI(get_cache_hdc(psc), 0, 1, &glyph, abc)) hr = E_HANDLE;
1482
1483 unselect_cached_font(psc, hfont);
1484 return hr;
1485 }
1486
1487 /***********************************************************************
1488 * ScriptLayout (USP10.@)
1489 *
1490 * Map embedding levels to visual and/or logical order.
1491 *
1492 * PARAMS
1493 * runs [I] Size of level array.
1494 * level [I] Array of embedding levels.
1495 * vistolog [O] Map of embedding levels from visual to logical order.
1496 * logtovis [O] Map of embedding levels from logical to visual order.
1497 *
1498 * RETURNS
1499 * Success: S_OK
1500 * Failure: Non-zero HRESULT value.
1501 *
1502 * BUGS
1503 * This stub works correctly for any sequence of a single
1504 * embedding level but not for sequences of different
1505 * embedding levels, i.e. mixtures of RTL and LTR scripts.
1506 */
1507 HRESULT WINAPI ScriptLayout(int runs, const BYTE *level, int *vistolog, int *logtovis)
1508 {
1509 int i, j = runs - 1, k = 0;
1510
1511 TRACE("(%d, %p, %p, %p)\n", runs, level, vistolog, logtovis);
1512
1513 if (!level || (!vistolog && !logtovis))
1514 return E_INVALIDARG;
1515
1516 for (i = 0; i < runs; i++)
1517 {
1518 if (level[i] % 2)
1519 {
1520 if (vistolog) *vistolog++ = j;
1521 if (logtovis) *logtovis++ = j;
1522 j--;
1523 }
1524 else
1525 {
1526 if (vistolog) *vistolog++ = k;
1527 if (logtovis) *logtovis++ = k;
1528 k++;
1529 }
1530 }
1531 return S_OK;
1532 }
1533
1534 /***********************************************************************
1535 * ScriptStringGetLogicalWidths (USP10.@)
1536 *
1537 * Returns logical widths from a string analysis.
1538 *
1539 * PARAMS
1540 * ssa [I] string analysis.
1541 * piDx [O] logical widths returned.
1542 *
1543 * RETURNS
1544 * Success: S_OK
1545 * Failure: a non-zero HRESULT.
1546 */
1547 HRESULT WINAPI ScriptStringGetLogicalWidths(SCRIPT_STRING_ANALYSIS ssa, int *piDx)
1548 {
1549 int i, j, next = 0;
1550 StringAnalysis *analysis = ssa;
1551
1552 TRACE("%p, %p\n", ssa, piDx);
1553
1554 if (!analysis) return S_FALSE;
1555
1556 for (i = 0; i < analysis->numItems; i++)
1557 {
1558 for (j = 0; j < analysis->glyphs[i].numGlyphs; j++)
1559 {
1560 piDx[next] = analysis->glyphs[i].piAdvance[j];
1561 next++;
1562 }
1563 }
1564 return S_OK;
1565 }
1566
1567 /***********************************************************************
1568 * ScriptStringValidate (USP10.@)
1569 *
1570 * Validate a string analysis.
1571 *
1572 * PARAMS
1573 * ssa [I] string analysis.
1574 *
1575 * RETURNS
1576 * Success: S_OK
1577 * Failure: S_FALSE if invalid sequences are found
1578 * or a non-zero HRESULT if it fails.
1579 */
1580 HRESULT WINAPI ScriptStringValidate(SCRIPT_STRING_ANALYSIS ssa)
1581 {
1582 StringAnalysis *analysis = ssa;
1583
1584 TRACE("(%p)\n", ssa);
1585
1586 if (!analysis) return E_INVALIDARG;
1587 return (analysis->invalid) ? S_FALSE : S_OK;
1588 }
1589
1590 /***********************************************************************
1591 * ScriptString_pSize (USP10.@)
1592 *
1593 * Retrieve width and height of an analysed string.
1594 *
1595 * PARAMS
1596 * ssa [I] string analysis.
1597 *
1598 * RETURNS
1599 * Success: Pointer to a SIZE structure.
1600 * Failure: NULL
1601 */
1602 const SIZE * WINAPI ScriptString_pSize(SCRIPT_STRING_ANALYSIS ssa)
1603 {
1604 unsigned int i, j;
1605 StringAnalysis *analysis = ssa;
1606
1607 TRACE("(%p)\n", ssa);
1608
1609 if (!analysis) return NULL;
1610
1611 if (!analysis->sz)
1612 {
1613 if (!(analysis->sz = heap_alloc(sizeof(SIZE)))) return NULL;
1614 analysis->sz->cy = analysis->sc->tm.tmHeight;
1615
1616 analysis->sz->cx = 0;
1617 for (i = 0; i < analysis->numItems; i++)
1618 for (j = 0; j < analysis->glyphs[i].numGlyphs; j++)
1619 analysis->sz->cx += analysis->glyphs[i].piAdvance[j];
1620 }
1621 return analysis->sz;
1622 }
1623
1624 /***********************************************************************
1625 * ScriptString_pLogAttr (USP10.@)
1626 *
1627 * Retrieve logical attributes of an analysed string.
1628 *
1629 * PARAMS
1630 * ssa [I] string analysis.
1631 *
1632 * RETURNS
1633 * Success: Pointer to an array of SCRIPT_LOGATTR structures.
1634 * Failure: NULL
1635 */
1636 const SCRIPT_LOGATTR * WINAPI ScriptString_pLogAttr(SCRIPT_STRING_ANALYSIS ssa)
1637 {
1638 StringAnalysis *analysis = ssa;
1639
1640 TRACE("(%p)\n", ssa);
1641
1642 if (!analysis) return NULL;
1643 return analysis->logattrs;
1644 }
1645
1646 /***********************************************************************
1647 * ScriptString_pcOutChars (USP10.@)
1648 *
1649 * Retrieve the length of a string after clipping.
1650 *
1651 * PARAMS
1652 * ssa [I] String analysis.
1653 *
1654 * RETURNS
1655 * Success: Pointer to the length.
1656 * Failure: NULL
1657 */
1658 const int * WINAPI ScriptString_pcOutChars(SCRIPT_STRING_ANALYSIS ssa)
1659 {
1660 StringAnalysis *analysis = ssa;
1661
1662 TRACE("(%p)\n", ssa);
1663
1664 if (!analysis) return NULL;
1665 return &analysis->clip_len;
1666 }
1667
1668 /***********************************************************************
1669 * ScriptStringGetOrder (USP10.@)
1670 *
1671 * Retrieve a glyph order map.
1672 *
1673 * PARAMS
1674 * ssa [I] String analysis.
1675 * order [I/O] Array of glyph positions.
1676 *
1677 * RETURNS
1678 * Success: S_OK
1679 * Failure: a non-zero HRESULT.
1680 */
1681 HRESULT WINAPI ScriptStringGetOrder(SCRIPT_STRING_ANALYSIS ssa, UINT *order)
1682 {
1683 unsigned int i, j, k;
1684 StringAnalysis *analysis = ssa;
1685
1686 TRACE("(%p)\n", ssa);
1687
1688 if (!analysis) return S_FALSE;
1689
1690 /* FIXME: handle RTL scripts */
1691 for (i = 0, k = 0; i < analysis->numItems; i++)
1692 for (j = 0; j < analysis->glyphs[i].numGlyphs; j++, k++)
1693 order[k] = k;
1694
1695 return S_OK;
1696 }
1697
1698 /***********************************************************************
1699 * ScriptGetLogicalWidths (USP10.@)
1700 *
1701 * Convert advance widths to logical widths.
1702 *
1703 * PARAMS
1704 * sa [I] Script analysis.
1705 * nbchars [I] Number of characters.
1706 * nbglyphs [I] Number of glyphs.
1707 * glyph_width [I] Array of glyph widths.
1708 * log_clust [I] Array of logical clusters.
1709 * sva [I] Visual attributes.
1710 * widths [O] Array of logical widths.
1711 *
1712 * RETURNS
1713 * Success: S_OK
1714 * Failure: a non-zero HRESULT.
1715 */
1716 HRESULT WINAPI ScriptGetLogicalWidths(const SCRIPT_ANALYSIS *sa, int nbchars, int nbglyphs,
1717 const int *glyph_width, const WORD *log_clust,
1718 const SCRIPT_VISATTR *sva, int *widths)
1719 {
1720 int i;
1721
1722 TRACE("(%p, %d, %d, %p, %p, %p, %p)\n",
1723 sa, nbchars, nbglyphs, glyph_width, log_clust, sva, widths);
1724
1725 /* FIXME */
1726 for (i = 0; i < nbchars; i++) widths[i] = glyph_width[i];
1727 return S_OK;
1728 }