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usp10: Store original font in the script cache and reselect it on successive calls.
[wine/testsucceed.git] / dlls / usp10 / usp10.c
blobfb0d4da72428c82cecf94e71f2e50240365ff4f0
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 /**
39 * some documentation here:
40 * http://www.microsoft.com/typography/developers/uniscribe/uniscribe.htm
41 */
42
43 WINE_DEFAULT_DEBUG_CHANNEL(uniscribe);
44
45 static const SCRIPT_PROPERTIES props[] =
46 {
47 { 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0 },
48 { 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0 },
49 { 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0 },
50 { 9, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0 },
51 { 9, 1, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0 },
52 { 9, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 1, 0, 0 },
53 { 9, 1, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 1, 0, 0 },
54 { 8, 0, 0, 0, 0, 161, 0, 0, 0, 0, 0, 0, 0, 0, 0 },
55 { 25, 0, 0, 0, 0, 204, 0, 0, 0, 0, 0, 0, 0, 0, 0 },
56 { 43, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 1, 0, 0 },
57 { 55, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 1, 0, 0 },
58 { 42, 0, 0, 0, 0, 163, 0, 0, 0, 0, 0, 0, 0, 0, 0 },
59 { 9, 0, 1, 0, 1, 1, 0, 0, 0, 0, 0, 0, 1, 0, 0 },
60 { 0, 0, 0, 0, 0, 1, 0, 1, 0, 0, 0, 0, 1, 0, 0 },
61 { 9, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 1, 0, 0 },
62 { 9, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 1, 0, 0 },
63 { 9, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 1, 0, 0 },
64 { 9, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 1, 0, 0 },
65 { 18, 0, 0, 0, 1, 0, 0, 0, 0, 0, 0, 0, 1, 0, 0 },
66 { 18, 0, 1, 0, 1, 0, 0, 0, 0, 0, 0, 0, 1, 0, 0 },
67 { 9, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 1, 0, 0 },
68 { 9, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 1, 0, 0 },
69 { 9, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 1, 0, 0 },
70 { 9, 0, 1, 0, 0, 0, 1, 0, 0, 0, 0, 0, 1, 0, 0 },
71 { 13, 0, 1, 0, 1, 177, 0, 0, 0, 0, 0, 0, 0, 0, 0 },
72 { 13, 0, 1, 0, 0, 177, 0, 0, 0, 0, 0, 0, 0, 0, 0 },
73 { 1, 0, 1, 0, 0, 178, 0, 0, 0, 0, 0, 0, 1, 1, 0 },
74 { 1, 1, 1, 0, 0, 178, 0, 0, 0, 0, 0, 0, 1, 0, 0 },
75 { 41, 1, 1, 0, 0, 178, 0, 0, 0, 0, 0, 0, 0, 0, 0 },
76 { 32, 1, 1, 0, 0, 178, 0, 0, 0, 0, 0, 0, 0, 0, 0 },
77 { 90, 0, 1, 0, 0, 1, 0, 0, 0, 0, 1, 0, 0, 1, 0 },
78 { 30, 0, 1, 1, 1, 222, 0, 0, 1, 0, 1, 0, 0, 0, 1 },
79 { 30, 1, 1, 0, 0, 222, 0, 0, 0, 0, 0, 0, 0, 0, 0 },
80 { 30, 0, 1, 0, 0, 222, 0, 0, 0, 0, 0, 0, 0, 0, 0 },
81 { 57, 0, 1, 0, 1, 1, 0, 0, 0, 0, 1, 0, 0, 0, 0 },
82 { 57, 1, 1, 0, 0, 1, 0, 0, 0, 0, 0, 0, 0, 0, 0 },
83 { 73, 0, 1, 0, 1, 1, 0, 0, 0, 0, 1, 0, 0, 0, 0 },
84 { 73, 1, 1, 0, 0, 1, 0, 0, 0, 0, 0, 0, 0, 0, 0 },
85 { 69, 0, 1, 0, 1, 1, 0, 0, 0, 0, 1, 0, 0, 0, 0 },
86 { 69, 1, 1, 0, 0, 1, 0, 0, 0, 0, 0, 0, 0, 0, 0 },
87 { 69, 0, 1, 0, 0, 1, 0, 0, 0, 0, 0, 0, 0, 0, 0 },
88 { 70, 0, 1, 0, 1, 1, 0, 0, 0, 0, 1, 0, 0, 0, 0 },
89 { 70, 1, 1, 0, 0, 1, 0, 0, 0, 0, 0, 0, 0, 0, 0 },
90 { 71, 0, 1, 0, 1, 1, 0, 0, 0, 0, 1, 0, 0, 0, 0 },
91 { 71, 1, 1, 0, 0, 1, 0, 0, 0, 0, 0, 0, 0, 0, 0 },
92 { 72, 0, 1, 0, 1, 1, 0, 0, 0, 0, 1, 0, 0, 0, 0 },
93 { 72, 1, 1, 0, 0, 1, 0, 0, 0, 0, 0, 0, 0, 0, 0 },
94 { 74, 0, 1, 0, 1, 1, 0, 0, 0, 0, 1, 0, 0, 0, 0 },
95 { 74, 1, 1, 0, 0, 1, 0, 0, 0, 0, 0, 0, 0, 0, 0 },
96 { 75, 0, 1, 0, 1, 1, 0, 0, 0, 0, 1, 0, 0, 0, 0 },
97 { 75, 1, 1, 0, 0, 1, 0, 0, 0, 0, 0, 0, 0, 0, 0 },
98 { 76, 0, 1, 0, 1, 1, 0, 0, 0, 0, 1, 0, 0, 0, 0 },
99 { 76, 1, 1, 0, 0, 1, 0, 0, 0, 0, 0, 0, 0, 0, 0 },
100 { 81, 0, 1, 1, 1, 1, 0, 0, 1, 0, 1, 0, 0, 0, 0 },
101 { 81, 1, 1, 0, 0, 1, 0, 0, 0, 0, 0, 0, 0, 0, 0 },
102 { 84, 0, 1, 1, 1, 1, 0, 0, 1, 0, 1, 0, 0, 0, 0 },
103 { 84, 1, 1, 0, 0, 1, 0, 0, 0, 0, 0, 0, 0, 0, 0 },
104 { 83, 0, 1, 1, 1, 1, 0, 0, 0, 0, 1, 0, 0, 0, 0 },
105 { 83, 1, 1, 0, 0, 1, 0, 0, 0, 0, 0, 0, 0, 0, 0 },
106 { 85, 0, 1, 1, 1, 1, 0, 0, 0, 0, 1, 0, 0, 0, 0 },
107 { 85, 1, 1, 0, 0, 1, 0, 0, 0, 0, 0, 0, 0, 0, 0 },
108 { 80, 0, 1, 0, 0, 1, 0, 0, 0, 0, 0, 0, 0, 0, 0 },
109 { 80, 1, 1, 0, 0, 1, 0, 0, 0, 0, 0, 0, 0, 0, 0 },
110 { 94, 0, 1, 0, 0, 1, 0, 0, 0, 0, 0, 0, 0, 0, 0 },
111 { 94, 1, 1, 0, 0, 1, 0, 0, 0, 0, 0, 0, 0, 0, 0 },
112 { 101, 0, 1, 0, 1, 1, 0, 0, 0, 0, 0, 0, 0, 0, 0 },
113 { 93, 0, 1, 0, 0, 1, 0, 0, 0, 0, 0, 0, 0, 0, 0 },
114 { 92, 0, 1, 0, 0, 1, 0, 0, 0, 0, 0, 0, 0, 0, 0 },
115 { 9, 0, 1, 0, 0, 1, 0, 0, 0, 0, 0, 0, 0, 0, 0 },
116 { 0, 0, 1, 0, 0, 1, 0, 0, 0, 0, 0, 0, 0, 0, 0 },
117 { 0, 0, 1, 0, 0, 1, 0, 0, 0, 0, 0, 0, 0, 0, 0 },
118 { 91, 0, 1, 0, 1, 1, 0, 0, 0, 0, 0, 0, 0, 0, 0 },
119 { 9, 0, 1, 0, 1, 0, 0, 0, 0, 0, 0, 1, 1, 0, 0 },
120 { 0, 1, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0 },
121 };
122
123 static const SCRIPT_PROPERTIES *script_props[] =
124 {
125 &props[0], &props[1], &props[2], &props[3],
126 &props[4], &props[5], &props[6], &props[7],
127 &props[8], &props[9], &props[11], &props[12],
128 &props[13], &props[14], &props[15], &props[16],
129 &props[17], &props[18], &props[19], &props[20],
130 &props[21], &props[22], &props[23], &props[24],
131 &props[25], &props[26], &props[27], &props[28],
132 &props[29], &props[30], &props[31], &props[32],
133 &props[33], &props[34], &props[35], &props[36],
134 &props[37], &props[38], &props[39], &props[40],
135 &props[41], &props[42], &props[43], &props[44],
136 &props[45], &props[46], &props[47], &props[48],
137 &props[49], &props[50], &props[51], &props[52],
138 &props[53], &props[54], &props[55], &props[56],
139 &props[57], &props[58], &props[59], &props[60],
140 &props[61], &props[62], &props[63], &props[64],
141 &props[65], &props[66], &props[67], &props[68],
142 &props[69], &props[70], &props[71], &props[72],
143 &props[73]
144 };
145
146 typedef struct {
147 HDC hdc;
148 LONG height;
149 WCHAR default_char;
150 LOGFONTW lf;
151 } ScriptCache;
152
153 typedef struct {
154 int numGlyphs;
155 WORD* glyphs;
156 WORD* pwLogClust;
157 int* piAdvance;
158 SCRIPT_VISATTR* psva;
159 GOFFSET* pGoffset;
160 ABC* abc;
161 } StringGlyphs;
162
163 typedef struct {
164 BOOL invalid;
165 int clip_len;
166 ScriptCache *sc;
167 int cItems;
168 int cMaxGlyphs;
169 SCRIPT_ITEM* pItem;
170 int numItems;
171 StringGlyphs* glyphs;
172 SCRIPT_LOGATTR* logattrs;
173 SIZE* sz;
174 } StringAnalysis;
175
176 static inline void *usp_alloc(SIZE_T size)
177 {
178 return HeapAlloc(GetProcessHeap(), 0, size);
179 }
180
181 static inline void *usp_zero_alloc(SIZE_T size)
182 {
183 return HeapAlloc(GetProcessHeap(), HEAP_ZERO_MEMORY, size);
184 }
185
186 static inline void *usp_zero_realloc(LPVOID mem, SIZE_T size)
187 {
188 return HeapReAlloc(GetProcessHeap(), HEAP_ZERO_MEMORY, mem, size);
189 }
190
191 static inline void usp_free(LPVOID mem)
192 {
193 HeapFree(GetProcessHeap(), 0, mem);
194 }
195
196 static HDC get_cache_hdc(SCRIPT_CACHE *psc)
197 {
198 return ((ScriptCache *)*psc)->hdc;
199 }
200
201 static WCHAR get_cache_default_char(SCRIPT_CACHE *psc)
202 {
203 return ((ScriptCache *)*psc)->default_char;
204 }
205
206 static LONG get_cache_height(SCRIPT_CACHE *psc)
207 {
208 return ((ScriptCache *)*psc)->height;
209 }
210
211 static HRESULT init_script_cache(const HDC hdc, ScriptCache *sc)
212 {
213 TEXTMETRICW metric;
214
215 if (!GetTextMetricsW(hdc, &metric)) return E_INVALIDARG;
216 if (!GetObjectW(GetCurrentObject(hdc, OBJ_FONT), sizeof(LOGFONTW), &sc->lf)) return E_INVALIDARG;
217
218 sc->height = metric.tmHeight;
219 sc->default_char = metric.tmDefaultChar;
220 sc->hdc = hdc;
221 return S_OK;
222 }
223
224 static HRESULT get_script_cache(const HDC hdc, SCRIPT_CACHE *psc)
225 {
226 if (!psc) return E_INVALIDARG;
227 if (!*psc)
228 {
229 HRESULT ret;
230 ScriptCache *sc;
231
232 if (!hdc) return E_PENDING;
233 if (!(sc = usp_zero_alloc(sizeof(ScriptCache)))) return E_OUTOFMEMORY;
234 if ((ret = init_script_cache(hdc, sc)))
235 {
236 usp_free(sc);
237 return ret;
238 }
239 *psc = sc;
240 }
241 TRACE("<- %p\n", *psc);
242 return S_OK;
243 }
244
245 static HFONT select_cached_font(SCRIPT_CACHE *psc)
246 {
247 HFONT old_font;
248 ScriptCache *sc = *psc;
249
250 old_font = SelectObject(sc->hdc, CreateFontIndirectW(&sc->lf));
251 return old_font;
252 }
253
254 static void unselect_cached_font(SCRIPT_CACHE *psc, HFONT old_font)
255 {
256 ScriptCache *sc = *psc;
257 DeleteObject(SelectObject(sc->hdc, old_font));
258 }
259
260 /***********************************************************************
261 * DllMain
262 *
263 */
264 BOOL WINAPI DllMain(HINSTANCE hInstDLL, DWORD fdwReason, LPVOID lpv)
265 {
266 switch(fdwReason)
267 {
268 case DLL_PROCESS_ATTACH:
269 DisableThreadLibraryCalls(hInstDLL);
270 break;
271 case DLL_PROCESS_DETACH:
272 break;
273 }
274 return TRUE;
275 }
276
277 /***********************************************************************
278 * ScriptFreeCache (USP10.@)
279 *
280 * Free a script cache.
281 *
282 * PARAMS
283 * psc [I/O] Script cache.
284 *
285 * RETURNS
286 * Success: S_OK
287 * Failure: Non-zero HRESULT value.
288 */
289 HRESULT WINAPI ScriptFreeCache(SCRIPT_CACHE *psc)
290 {
291 TRACE("%p\n", psc);
292
293 if (psc)
294 {
295 usp_free(*psc);
296 *psc = NULL;
297 }
298 return S_OK;
299 }
300
301 /***********************************************************************
302 * ScriptGetProperties (USP10.@)
303 *
304 * Retrieve a list of script properties.
305 *
306 * PARAMS
307 * props [I] Pointer to an array of SCRIPT_PROPERTIES pointers.
308 * num [I] Pointer to the number of scripts.
309 *
310 * RETURNS
311 * Success: S_OK
312 * Failure: Non-zero HRESULT value.
313 *
314 * NOTES
315 * Behaviour matches WinXP.
316 */
317 HRESULT WINAPI ScriptGetProperties(const SCRIPT_PROPERTIES ***props, int *num)
318 {
319 TRACE("(%p,%p)\n", props, num);
320
321 if (!props && !num) return E_INVALIDARG;
322
323 if (num) *num = sizeof(script_props)/sizeof(script_props[0]);
324 if (props) *props = script_props;
325
326 return S_OK;
327 }
328
329 /***********************************************************************
330 * ScriptGetFontProperties (USP10.@)
331 *
332 * Get information on special glyphs.
333 *
334 * PARAMS
335 * hdc [I] Device context.
336 * psc [I/O] Opaque pointer to a script cache.
337 * sfp [O] Font properties structure.
338 */
339 HRESULT WINAPI ScriptGetFontProperties(HDC hdc, SCRIPT_CACHE *psc, SCRIPT_FONTPROPERTIES *sfp)
340 {
341 HRESULT hr;
342
343 TRACE("%p,%p,%p\n", hdc, psc, sfp);
344
345 if (!sfp) return E_INVALIDARG;
346 if ((hr = get_script_cache(hdc, psc))) return hr;
347
348 if (sfp->cBytes != sizeof(SCRIPT_FONTPROPERTIES))
349 return E_INVALIDARG;
350
351 /* return something sensible? */
352 sfp->wgBlank = 0;
353 sfp->wgDefault = get_cache_default_char(psc);
354 sfp->wgInvalid = 0;
355 sfp->wgKashida = 0xffff;
356 sfp->iKashidaWidth = 0;
357
358 return S_OK;
359 }
360
361 /***********************************************************************
362 * ScriptRecordDigitSubstitution (USP10.@)
363 *
364 * Record digit substitution settings for a given locale.
365 *
366 * PARAMS
367 * locale [I] Locale identifier.
368 * sds [I] Structure to record substitution settings.
369 *
370 * RETURNS
371 * Success: S_OK
372 * Failure: E_POINTER if sds is NULL, E_INVALIDARG otherwise.
373 *
374 * SEE ALSO
375 * http://blogs.msdn.com/michkap/archive/2006/02/22/536877.aspx
376 */
377 HRESULT WINAPI ScriptRecordDigitSubstitution(LCID locale, SCRIPT_DIGITSUBSTITUTE *sds)
378 {
379 DWORD plgid, sub;
380
381 TRACE("0x%x, %p\n", locale, sds);
382
383 /* This implementation appears to be correct for all languages, but it's
384 * not clear if sds->DigitSubstitute is ever set to anything except
385 * CONTEXT or NONE in reality */
386
387 if (!sds) return E_POINTER;
388
389 locale = ConvertDefaultLocale(locale);
390
391 if (!IsValidLocale(locale, LCID_INSTALLED))
392 return E_INVALIDARG;
393
394 plgid = PRIMARYLANGID(LANGIDFROMLCID(locale));
395 sds->TraditionalDigitLanguage = plgid;
396
397 if (plgid == LANG_ARABIC || plgid == LANG_FARSI)
398 sds->NationalDigitLanguage = plgid;
399 else
400 sds->NationalDigitLanguage = LANG_ENGLISH;
401
402 if (!GetLocaleInfoW(locale, LOCALE_IDIGITSUBSTITUTION | LOCALE_RETURN_NUMBER,
403 (LPWSTR)&sub, sizeof(sub)/sizeof(WCHAR))) return E_INVALIDARG;
404
405 switch (sub)
406 {
407 case 0:
408 if (plgid == LANG_ARABIC || plgid == LANG_FARSI)
409 sds->DigitSubstitute = SCRIPT_DIGITSUBSTITUTE_CONTEXT;
410 else
411 sds->DigitSubstitute = SCRIPT_DIGITSUBSTITUTE_NONE;
412 break;
413 case 1:
414 sds->DigitSubstitute = SCRIPT_DIGITSUBSTITUTE_NONE;
415 break;
416 case 2:
417 sds->DigitSubstitute = SCRIPT_DIGITSUBSTITUTE_NATIONAL;
418 break;
419 default:
420 sds->DigitSubstitute = SCRIPT_DIGITSUBSTITUTE_TRADITIONAL;
421 break;
422 }
423
424 sds->dwReserved = 0;
425 return S_OK;
426 }
427
428 /***********************************************************************
429 * ScriptApplyDigitSubstitution (USP10.@)
430 *
431 * Apply digit substitution settings.
432 *
433 * PARAMS
434 * sds [I] Structure with recorded substitution settings.
435 * sc [I] Script control structure.
436 * ss [I] Script state structure.
437 *
438 * RETURNS
439 * Success: S_OK
440 * Failure: E_INVALIDARG if sds is invalid. Otherwise an HRESULT.
441 */
442 HRESULT WINAPI ScriptApplyDigitSubstitution(const SCRIPT_DIGITSUBSTITUTE *sds,
443 SCRIPT_CONTROL *sc, SCRIPT_STATE *ss)
444 {
445 SCRIPT_DIGITSUBSTITUTE psds;
446
447 TRACE("%p, %p, %p\n", sds, sc, ss);
448
449 if (!sc || !ss) return E_POINTER;
450 if (!sds)
451 {
452 sds = &psds;
453 if (ScriptRecordDigitSubstitution(LOCALE_USER_DEFAULT, &psds) != S_OK)
454 return E_INVALIDARG;
455 }
456
457 sc->uDefaultLanguage = LANG_ENGLISH;
458 sc->fContextDigits = 0;
459 ss->fDigitSubstitute = 0;
460
461 switch (sds->DigitSubstitute) {
462 case SCRIPT_DIGITSUBSTITUTE_CONTEXT:
463 case SCRIPT_DIGITSUBSTITUTE_NATIONAL:
464 case SCRIPT_DIGITSUBSTITUTE_NONE:
465 case SCRIPT_DIGITSUBSTITUTE_TRADITIONAL:
466 return S_OK;
467 default:
468 return E_INVALIDARG;
469 }
470 }
471
472 /***********************************************************************
473 * ScriptItemize (USP10.@)
474 *
475 * Split a Unicode string into shapeable parts.
476 *
477 * PARAMS
478 * pwcInChars [I] String to split.
479 * cInChars [I] Number of characters in pwcInChars.
480 * cMaxItems [I] Maximum number of items to return.
481 * psControl [I] Pointer to a SCRIPT_CONTROL structure.
482 * psState [I] Pointer to a SCRIPT_STATE structure.
483 * pItems [O] Buffer to receive SCRIPT_ITEM structures.
484 * pcItems [O] Number of script items returned.
485 *
486 * RETURNS
487 * Success: S_OK
488 * Failure: Non-zero HRESULT value.
489 */
490 HRESULT WINAPI ScriptItemize(const WCHAR *pwcInChars, int cInChars, int cMaxItems,
491 const SCRIPT_CONTROL *psControl, const SCRIPT_STATE *psState,
492 SCRIPT_ITEM *pItems, int *pcItems)
493 {
494
495 #define Numeric_start 0x0030
496 #define Numeric_stop 0x0039
497 #define Numeric_space 0x0020
498 #define Arabic_start 0x0600
499 #define Arabic_stop 0x06ff
500 #define Latin_start 0x0001
501 #define Latin_stop 0x024f
502 #define Script_Arabic 6
503 #define Script_Latin 1
504 #define Script_Numeric 5
505
506 int cnt = 0, index = 0;
507 int New_Script = SCRIPT_UNDEFINED;
508
509 TRACE("%s,%d,%d,%p,%p,%p,%p\n", debugstr_wn(pwcInChars, cInChars), cInChars, cMaxItems,
510 psControl, psState, pItems, pcItems);
511
512 if (!pwcInChars || !cInChars || !pItems || cMaxItems < 2)
513 return E_INVALIDARG;
514
515 pItems[index].iCharPos = 0;
516 memset(&pItems[index].a, 0, sizeof(SCRIPT_ANALYSIS));
517
518 if (pwcInChars[cnt] >= Numeric_start && pwcInChars[cnt] <= Numeric_stop)
519 pItems[index].a.eScript = Script_Numeric;
520 else
521 if (pwcInChars[cnt] >= Arabic_start && pwcInChars[cnt] <= Arabic_stop)
522 pItems[index].a.eScript = Script_Arabic;
523 else
524 if (pwcInChars[cnt] >= Latin_start && pwcInChars[cnt] <= Latin_stop)
525 pItems[index].a.eScript = Script_Latin;
526
527 if (pItems[index].a.eScript == Script_Arabic)
528 pItems[index].a.s.uBidiLevel = 1;
529
530 TRACE("New_Script=%d, eScript=%d index=%d cnt=%d iCharPos=%d\n",
531 New_Script, pItems[index].a.eScript, index, cnt,
532 pItems[index].iCharPos = cnt);
533
534 for (cnt=0; cnt < cInChars; cnt++)
535 {
536 if ((pwcInChars[cnt] >= Numeric_start && pwcInChars[cnt] <= Numeric_stop)
537 || (New_Script == Script_Numeric && pwcInChars[cnt] == Numeric_space))
538 New_Script = Script_Numeric;
539 else
540 if ((pwcInChars[cnt] >= Arabic_start && pwcInChars[cnt] <= Arabic_stop)
541 || (New_Script == Script_Arabic && pwcInChars[cnt] == Numeric_space))
542 New_Script = Script_Arabic;
543 else
544 if ((WCHAR) pwcInChars[cnt] >= Latin_start && (WCHAR) pwcInChars[cnt] <= Latin_stop)
545 New_Script = Script_Latin;
546 else
547 New_Script = SCRIPT_UNDEFINED;
548
549 if (New_Script != pItems[index].a.eScript)
550 {
551 TRACE("New_Script=%d, eScript=%d ", New_Script, pItems[index].a.eScript);
552 index++;
553 if (index+1 > cMaxItems)
554 return E_OUTOFMEMORY;
555
556 pItems[index].iCharPos = cnt;
557 memset(&pItems[index].a, 0, sizeof(SCRIPT_ANALYSIS));
558
559 if (New_Script == Script_Arabic)
560 pItems[index].a.s.uBidiLevel = 1;
561
562 pItems[index].a.eScript = New_Script;
563 if (New_Script == Script_Arabic)
564 pItems[index].a.s.uBidiLevel = 1;
565
566 TRACE("index=%d cnt=%d iCharPos=%d\n", index, cnt, pItems[index].iCharPos = cnt);
567 }
568 }
569
570 /* While not strictly necessary according to the spec, make sure the n+1
571 * item is set up to prevent random behaviour if the caller erroneously
572 * checks the n+1 structure */
573 memset(&pItems[index+1].a, 0, sizeof(SCRIPT_ANALYSIS));
574
575 TRACE("index=%d cnt=%d iCharPos=%d\n", index+1, cnt, pItems[index+1].iCharPos = cnt);
576
577 /* Set one SCRIPT_STATE item being returned */
578 *pcItems = index + 1;
579
580 /* Set SCRIPT_ITEM */
581 pItems[index+1].iCharPos = cnt; /* the last + 1 item
582 contains the ptr to the lastchar */
583 return S_OK;
584 }
585
586 /***********************************************************************
587 * ScriptStringAnalyse (USP10.@)
588 *
589 */
590 HRESULT WINAPI ScriptStringAnalyse(HDC hdc, const void *pString, int cString,
591 int cGlyphs, int iCharset, DWORD dwFlags,
592 int iReqWidth, SCRIPT_CONTROL *psControl,
593 SCRIPT_STATE *psState, const int *piDx,
594 SCRIPT_TABDEF *pTabdef, const BYTE *pbInClass,
595 SCRIPT_STRING_ANALYSIS *pssa)
596 {
597 HRESULT hr = E_OUTOFMEMORY;
598 StringAnalysis *analysis = NULL;
599 int i, num_items = 255;
600
601 TRACE("(%p,%p,%d,%d,%d,0x%x,%d,%p,%p,%p,%p,%p,%p)\n",
602 hdc, pString, cString, cGlyphs, iCharset, dwFlags, iReqWidth,
603 psControl, psState, piDx, pTabdef, pbInClass, pssa);
604
605 if (iCharset != -1)
606 {
607 FIXME("Only Unicode strings are supported\n");
608 return E_INVALIDARG;
609 }
610 if (cString < 1 || !pString) return E_INVALIDARG;
611 if ((dwFlags & SSA_GLYPHS) && !hdc) return E_PENDING;
612
613 if (!(analysis = usp_zero_alloc(sizeof(StringAnalysis)))) return E_OUTOFMEMORY;
614 if (!(analysis->pItem = usp_zero_alloc(num_items * sizeof(SCRIPT_ITEM) + 1))) goto error;
615
616 /* FIXME: handle clipping */
617 analysis->clip_len = cString;
618
619 hr = ScriptItemize(pString, cString, num_items, psControl, psState, analysis->pItem,
620 &analysis->numItems);
621
622 while (hr == E_OUTOFMEMORY)
623 {
624 SCRIPT_ITEM *tmp;
625
626 num_items *= 2;
627 if (!(tmp = usp_zero_realloc(analysis->pItem, num_items * sizeof(SCRIPT_ITEM) + 1)))
628 goto error;
629
630 analysis->pItem = tmp;
631 hr = ScriptItemize(pString, cString, num_items, psControl, psState, analysis->pItem,
632 &analysis->numItems);
633 }
634 if (hr) goto error;
635
636 if ((analysis->logattrs = usp_alloc(sizeof(SCRIPT_LOGATTR) * cString)))
637 ScriptBreak(pString, cString, (SCRIPT_STRING_ANALYSIS)analysis, analysis->logattrs);
638 else
639 goto error;
640
641 if (!(analysis->glyphs = usp_zero_alloc(sizeof(StringGlyphs) * analysis->numItems)))
642 goto error;
643
644 for (i = 0; i < analysis->numItems; i++)
645 {
646 SCRIPT_CACHE *sc = (SCRIPT_CACHE *)&analysis->sc;
647 int cChar = analysis->pItem[i+1].iCharPos - analysis->pItem[i].iCharPos;
648 int numGlyphs = 1.5 * cChar + 16;
649 WORD *glyphs = usp_zero_alloc(sizeof(WORD) * numGlyphs);
650 WORD *pwLogClust = usp_zero_alloc(sizeof(WORD) * cChar);
651 int *piAdvance = usp_zero_alloc(sizeof(int) * numGlyphs);
652 SCRIPT_VISATTR *psva = usp_zero_alloc(sizeof(SCRIPT_VISATTR) * cChar);
653 GOFFSET *pGoffset = usp_zero_alloc(sizeof(GOFFSET) * numGlyphs);
654 ABC *abc = usp_zero_alloc(sizeof(ABC));
655 int numGlyphsReturned;
656
657 /* FIXME: non unicode strings */
658 WCHAR* pStr = (WCHAR*)pString;
659 hr = ScriptShape(hdc, sc, &pStr[analysis->pItem[i].iCharPos],
660 cChar, numGlyphs, &analysis->pItem[i].a,
661 glyphs, pwLogClust, psva, &numGlyphsReturned);
662 hr = ScriptPlace(hdc, sc, glyphs, numGlyphsReturned, psva, &analysis->pItem[i].a,
663 piAdvance, pGoffset, abc);
664
665 analysis->glyphs[i].numGlyphs = numGlyphsReturned;
666 analysis->glyphs[i].glyphs = glyphs;
667 analysis->glyphs[i].pwLogClust = pwLogClust;
668 analysis->glyphs[i].piAdvance = piAdvance;
669 analysis->glyphs[i].psva = psva;
670 analysis->glyphs[i].pGoffset = pGoffset;
671 analysis->glyphs[i].abc = abc;
672 }
673
674 *pssa = analysis;
675 return S_OK;
676
677 error:
678 usp_free(analysis->glyphs);
679 usp_free(analysis->logattrs);
680 usp_free(analysis->pItem);
681 usp_free(analysis->sc);
682 usp_free(analysis);
683 return hr;
684 }
685
686 /***********************************************************************
687 * ScriptStringOut (USP10.@)
688 *
689 * This function takes the output of ScriptStringAnalyse and joins the segments
690 * of glyphs and passes the resulting string to ScriptTextOut. ScriptStringOut
691 * only processes glyphs.
692 *
693 * Parameters:
694 * ssa [I] buffer to hold the analysed string components
695 * iX [I] X axis displacement for output
696 * iY [I] Y axis displacement for output
697 * uOptions [I] flags controling output processing
698 * prc [I] rectangle coordinates
699 * iMinSel [I] starting pos for substringing output string
700 * iMaxSel [I] ending pos for substringing output string
701 * fDisabled [I] controls text highlighting
702 *
703 * RETURNS
704 * Success: S_OK
705 * Failure: is the value returned by ScriptTextOut
706 */
707 HRESULT WINAPI ScriptStringOut(SCRIPT_STRING_ANALYSIS ssa,
708 int iX,
709 int iY,
710 UINT uOptions,
711 const RECT *prc,
712 int iMinSel,
713 int iMaxSel,
714 BOOL fDisabled)
715 {
716 StringAnalysis *analysis;
717 WORD *glyphs;
718 int item, cnt, x;
719 HRESULT hr;
720
721 TRACE("(%p,%d,%d,0x%1x,%p,%d,%d,%d)\n",
722 ssa, iX, iY, uOptions, prc, iMinSel, iMaxSel, fDisabled);
723
724 if (!(analysis = ssa)) return E_INVALIDARG;
725
726 /*
727 * Get storage for the output buffer for the consolidated strings
728 */
729 cnt = 0;
730 for (item = 0; item < analysis->numItems; item++)
731 {
732 cnt += analysis->glyphs[item].numGlyphs;
733 }
734 if (!(glyphs = usp_alloc(sizeof(WCHAR) * cnt))) return E_OUTOFMEMORY;
735
736 /*
737 * ScriptStringOut only processes glyphs hence set ETO_GLYPH_INDEX
738 */
739 uOptions |= ETO_GLYPH_INDEX;
740 analysis->pItem[0].a.fNoGlyphIndex = FALSE; /* say that we have glyphs */
741
742 /*
743 * Copy the string items into the output buffer
744 */
745
746 TRACE("numItems %d\n", analysis->numItems);
747
748 cnt = 0;
749 for (item = 0; item < analysis->numItems; item++)
750 {
751 memcpy(&glyphs[cnt], analysis->glyphs[item].glyphs,
752 sizeof(WCHAR) * analysis->glyphs[item].numGlyphs);
753
754 TRACE("Item %d, Glyphs %d ", item, analysis->glyphs[item].numGlyphs);
755 for (x = cnt; x < analysis->glyphs[item].numGlyphs + cnt; x ++)
756 TRACE("%04x", glyphs[x]);
757 TRACE("\n");
758
759 cnt += analysis->glyphs[item].numGlyphs; /* point to the end of the copied text */
760 }
761
762 hr = ScriptTextOut(analysis->sc->hdc, (SCRIPT_CACHE *)&analysis->sc, iX, iY,
763 uOptions, prc, &analysis->pItem->a, NULL, 0, glyphs, cnt,
764 analysis->glyphs->piAdvance, NULL, analysis->glyphs->pGoffset);
765 TRACE("ScriptTextOut hr=%08x\n", hr);
766
767 /*
768 * Free the output buffer and script cache
769 */
770 usp_free(glyphs);
771 return hr;
772 }
773
774 /***********************************************************************
775 * ScriptStringCPtoX (USP10.@)
776 *
777 */
778 HRESULT WINAPI ScriptStringCPtoX(SCRIPT_STRING_ANALYSIS ssa, int icp, BOOL fTrailing, int* pX)
779 {
780 int i, j;
781 int runningX = 0;
782 int runningCp = 0;
783 StringAnalysis* analysis = ssa;
784
785 TRACE("(%p), %d, %d, (%p)\n", ssa, icp, fTrailing, pX);
786
787 if (!ssa || !pX) return S_FALSE;
788
789 /* icp out of range */
790 if(icp < 0)
791 {
792 analysis->invalid = TRUE;
793 return E_INVALIDARG;
794 }
795
796 for(i=0; i<analysis->numItems; i++)
797 {
798 for(j=0; j<analysis->glyphs[i].numGlyphs; j++)
799 {
800 if(runningCp == icp && fTrailing == FALSE)
801 {
802 *pX = runningX;
803 return S_OK;
804 }
805 runningX += analysis->glyphs[i].piAdvance[j];
806 if(runningCp == icp && fTrailing == TRUE)
807 {
808 *pX = runningX;
809 return S_OK;
810 }
811 runningCp++;
812 }
813 }
814
815 /* icp out of range */
816 analysis->invalid = TRUE;
817 return E_INVALIDARG;
818 }
819
820 /***********************************************************************
821 * ScriptStringXtoCP (USP10.@)
822 *
823 */
824 HRESULT WINAPI ScriptStringXtoCP(SCRIPT_STRING_ANALYSIS ssa, int iX, int* piCh, int* piTrailing)
825 {
826 StringAnalysis* analysis = ssa;
827 int i;
828 int j;
829 int runningX = 0;
830 int runningCp = 0;
831 int width;
832
833 TRACE("(%p), %d, (%p), (%p)\n", ssa, iX, piCh, piTrailing);
834
835 if (!ssa || !piCh || !piTrailing) return S_FALSE;
836
837 /* out of range */
838 if(iX < 0)
839 {
840 *piCh = -1;
841 *piTrailing = TRUE;
842 return S_OK;
843 }
844
845 for(i=0; i<analysis->numItems; i++)
846 {
847 for(j=0; j<analysis->glyphs[i].numGlyphs; j++)
848 {
849 width = analysis->glyphs[i].piAdvance[j];
850 if(iX < (runningX + width))
851 {
852 *piCh = runningCp;
853 if((iX - runningX) > width/2)
854 *piTrailing = TRUE;
855 else
856 *piTrailing = FALSE;
857 return S_OK;
858 }
859 runningX += width;
860 runningCp++;
861 }
862 }
863
864 /* out of range */
865 *piCh = analysis->pItem[analysis->numItems].iCharPos;
866 *piTrailing = FALSE;
867
868 return S_OK;
869 }
870
871
872 /***********************************************************************
873 * ScriptStringFree (USP10.@)
874 *
875 * Free a string analysis.
876 *
877 * PARAMS
878 * pssa [I] string analysis.
879 *
880 * RETURNS
881 * Success: S_OK
882 * Failure: Non-zero HRESULT value.
883 */
884 HRESULT WINAPI ScriptStringFree(SCRIPT_STRING_ANALYSIS *pssa)
885 {
886 StringAnalysis* analysis;
887 BOOL invalid;
888 int i;
889
890 TRACE("(%p)\n", pssa);
891
892 if (!pssa || !(analysis = *pssa)) return E_INVALIDARG;
893 invalid = analysis->invalid;
894
895 for (i = 0; i < analysis->numItems; i++)
896 {
897 usp_free(analysis->glyphs[i].glyphs);
898 usp_free(analysis->glyphs[i].pwLogClust);
899 usp_free(analysis->glyphs[i].piAdvance);
900 usp_free(analysis->glyphs[i].psva);
901 usp_free(analysis->glyphs[i].pGoffset);
902 usp_free(analysis->glyphs[i].abc);
903 }
904
905 usp_free(analysis->glyphs);
906 usp_free(analysis->pItem);
907 usp_free(analysis->logattrs);
908 usp_free(analysis->sz);
909 usp_free(analysis->sc);
910 usp_free(analysis);
911
912 if (invalid) return E_INVALIDARG;
913 return S_OK;
914 }
915
916 /***********************************************************************
917 * ScriptCPtoX (USP10.@)
918 *
919 */
920 HRESULT WINAPI ScriptCPtoX(int iCP,
921 BOOL fTrailing,
922 int cChars,
923 int cGlyphs,
924 const WORD *pwLogClust,
925 const SCRIPT_VISATTR *psva,
926 const int *piAdvance,
927 const SCRIPT_ANALYSIS *psa,
928 int *piX)
929 {
930 int item;
931 int iPosX;
932 float fMaxPosX = 0;
933 TRACE("(%d,%d,%d,%d,%p,%p,%p,%p,%p)\n",
934 iCP, fTrailing, cChars, cGlyphs, pwLogClust, psva, piAdvance,
935 psa, piX);
936 for (item=0; item < cGlyphs; item++) /* total piAdvance */
937 fMaxPosX += piAdvance[item];
938 iPosX = (fMaxPosX/cGlyphs)*(iCP+fTrailing);
939 if (iPosX > fMaxPosX)
940 iPosX = fMaxPosX;
941 *piX = iPosX; /* Return something in range */
942
943 TRACE("*piX=%d\n", *piX);
944 return S_OK;
945 }
946
947 /***********************************************************************
948 * ScriptXtoCP (USP10.@)
949 *
950 */
951 HRESULT WINAPI ScriptXtoCP(int iX,
952 int cChars,
953 int cGlyphs,
954 const WORD *pwLogClust,
955 const SCRIPT_VISATTR *psva,
956 const int *piAdvance,
957 const SCRIPT_ANALYSIS *psa,
958 int *piCP,
959 int *piTrailing)
960 {
961 int item;
962 int iPosX;
963 float fMaxPosX = 1;
964 float fAvePosX;
965 TRACE("(%d,%d,%d,%p,%p,%p,%p,%p,%p)\n",
966 iX, cChars, cGlyphs, pwLogClust, psva, piAdvance,
967 psa, piCP, piTrailing);
968 if (iX < 0) /* iX is before start of run */
969 {
970 *piCP = -1;
971 *piTrailing = TRUE;
972 return S_OK;
973 }
974
975 for (item=0; item < cGlyphs; item++) /* total piAdvance */
976 fMaxPosX += piAdvance[item];
977
978 if (iX >= fMaxPosX) /* iX too large */
979 {
980 *piCP = cChars;
981 *piTrailing = FALSE;
982 return S_OK;
983 }
984
985 fAvePosX = fMaxPosX / cGlyphs;
986 iPosX = fAvePosX;
987 for (item = 1; item < cGlyphs && iPosX < iX; item++)
988 iPosX += fAvePosX;
989 if (iPosX - iX > fAvePosX/2)
990 *piTrailing = 0;
991 else
992 *piTrailing = 1; /* yep we are over halfway */
993
994 *piCP = item -1; /* Return character position */
995 TRACE("*piCP=%d iPposX=%d\n", *piCP, iPosX);
996 return S_OK;
997 }
998
999 /***********************************************************************
1000 * ScriptBreak (USP10.@)
1001 *
1002 * Retrieve line break information.
1003 *
1004 * PARAMS
1005 * chars [I] Array of characters.
1006 * sa [I] String analysis.
1007 * la [I] Array of logical attribute structures.
1008 *
1009 * RETURNS
1010 * Success: S_OK
1011 * Failure: S_FALSE
1012 */
1013 HRESULT WINAPI ScriptBreak(const WCHAR *chars, int count, const SCRIPT_ANALYSIS *sa, SCRIPT_LOGATTR *la)
1014 {
1015 unsigned int i;
1016
1017 TRACE("(%s, %d, %p, %p)\n", debugstr_wn(chars, count), count, sa, la);
1018
1019 if (!la) return S_FALSE;
1020
1021 for (i = 0; i < count; i++)
1022 {
1023 memset(&la[i], 0, sizeof(SCRIPT_LOGATTR));
1024
1025 /* FIXME: set the other flags */
1026 la[i].fWhiteSpace = isspaceW(chars[i]);
1027 la[i].fCharStop = 1;
1028 }
1029 return S_OK;
1030 }
1031
1032 static const struct
1033 {
1034 WCHAR start;
1035 WCHAR end;
1036 DWORD flag;
1037 }
1038 complex_ranges[] =
1039 {
1040 { 0, 0x0b, SIC_COMPLEX },
1041 { 0x0c, 0x0c, SIC_NEUTRAL },
1042 { 0x0d, 0x1f, SIC_COMPLEX },
1043 { 0x20, 0x2f, SIC_NEUTRAL },
1044 { 0x30, 0x39, SIC_ASCIIDIGIT },
1045 { 0x3a, 0x40, SIC_NEUTRAL },
1046 { 0x5b, 0x60, SIC_NEUTRAL },
1047 { 0x7b, 0x7e, SIC_NEUTRAL },
1048 { 0x7f, 0x9f, SIC_COMPLEX },
1049 { 0xa0, 0xa5, SIC_NEUTRAL },
1050 { 0xa7, 0xa8, SIC_NEUTRAL },
1051 { 0xab, 0xab, SIC_NEUTRAL },
1052 { 0xad, 0xad, SIC_NEUTRAL },
1053 { 0xaf, 0xaf, SIC_NEUTRAL },
1054 { 0xb0, 0xb1, SIC_NEUTRAL },
1055 { 0xb4, 0xb4, SIC_NEUTRAL },
1056 { 0xb6, 0xb8, SIC_NEUTRAL },
1057 { 0xbb, 0xbf, SIC_NEUTRAL },
1058 { 0xd7, 0xd7, SIC_NEUTRAL },
1059 { 0xf7, 0xf7, SIC_NEUTRAL },
1060 { 0x2b9, 0x2ba, SIC_NEUTRAL },
1061 { 0x2c2, 0x2cf, SIC_NEUTRAL },
1062 { 0x2d2, 0x2df, SIC_NEUTRAL },
1063 { 0x2e5, 0x2e9, SIC_COMPLEX },
1064 { 0x2ea, 0x2ed, SIC_NEUTRAL },
1065 { 0x300, 0x362, SIC_COMPLEX },
1066 { 0x530, 0x60b, SIC_COMPLEX },
1067 { 0x60c, 0x60d, SIC_NEUTRAL },
1068 { 0x60e, 0x669, SIC_COMPLEX },
1069 { 0x66a, 0x66a, SIC_NEUTRAL },
1070 { 0x66b, 0x6e8, SIC_COMPLEX },
1071 { 0x6e9, 0x6e9, SIC_NEUTRAL },
1072 { 0x6ea, 0x7bf, SIC_COMPLEX },
1073 { 0x900, 0x1360, SIC_COMPLEX },
1074 { 0x137d, 0x137f, SIC_COMPLEX },
1075 { 0x1680, 0x1680, SIC_NEUTRAL },
1076 { 0x1780, 0x18af, SIC_COMPLEX },
1077 { 0x2000, 0x200a, SIC_NEUTRAL },
1078 { 0x200b, 0x200f, SIC_COMPLEX },
1079 { 0x2010, 0x2016, SIC_NEUTRAL },
1080 { 0x2018, 0x2022, SIC_NEUTRAL },
1081 { 0x2024, 0x2028, SIC_NEUTRAL },
1082 { 0x2029, 0x202e, SIC_COMPLEX },
1083 { 0x202f, 0x2037, SIC_NEUTRAL },
1084 { 0x2039, 0x203c, SIC_NEUTRAL },
1085 { 0x2044, 0x2046, SIC_NEUTRAL },
1086 { 0x206a, 0x206f, SIC_COMPLEX },
1087 { 0x207a, 0x207e, SIC_NEUTRAL },
1088 { 0x208a, 0x20aa, SIC_NEUTRAL },
1089 { 0x20ac, 0x20cf, SIC_NEUTRAL },
1090 { 0x20d0, 0x20ff, SIC_COMPLEX },
1091 { 0x2103, 0x2103, SIC_NEUTRAL },
1092 { 0x2105, 0x2105, SIC_NEUTRAL },
1093 { 0x2109, 0x2109, SIC_NEUTRAL },
1094 { 0x2116, 0x2116, SIC_NEUTRAL },
1095 { 0x2121, 0x2122, SIC_NEUTRAL },
1096 { 0x212e, 0x212e, SIC_NEUTRAL },
1097 { 0x2153, 0x2154, SIC_NEUTRAL },
1098 { 0x215b, 0x215e, SIC_NEUTRAL },
1099 { 0x2190, 0x2199, SIC_NEUTRAL },
1100 { 0x21b8, 0x21b9, SIC_NEUTRAL },
1101 { 0x21d2, 0x21d2, SIC_NEUTRAL },
1102 { 0x21d4, 0x21d4, SIC_NEUTRAL },
1103 { 0x21e7, 0x21e7, SIC_NEUTRAL },
1104 { 0x2200, 0x2200, SIC_NEUTRAL },
1105 { 0x2202, 0x2203, SIC_NEUTRAL },
1106 { 0x2207, 0x2208, SIC_NEUTRAL },
1107 { 0x220b, 0x220b, SIC_NEUTRAL },
1108 { 0x220f, 0x220f, SIC_NEUTRAL },
1109 { 0x2211, 0x2213, SIC_NEUTRAL },
1110 { 0x2215, 0x2215, SIC_NEUTRAL },
1111 { 0x221a, 0x221a, SIC_NEUTRAL },
1112 { 0x221d, 0x2220, SIC_NEUTRAL },
1113 { 0x2223, 0x2223, SIC_NEUTRAL },
1114 { 0x2225, 0x2225, SIC_NEUTRAL },
1115 { 0x2227, 0x222c, SIC_NEUTRAL },
1116 { 0x222e, 0x222e, SIC_NEUTRAL },
1117 { 0x2234, 0x2237, SIC_NEUTRAL },
1118 { 0x223c, 0x223d, SIC_NEUTRAL },
1119 { 0x2248, 0x2248, SIC_NEUTRAL },
1120 { 0x224c, 0x224c, SIC_NEUTRAL },
1121 { 0x2252, 0x2252, SIC_NEUTRAL },
1122 { 0x2260, 0x2261, SIC_NEUTRAL },
1123 { 0x2264, 0x2267, SIC_NEUTRAL },
1124 { 0x226a, 0x226b, SIC_NEUTRAL },
1125 { 0x226e, 0x226f, SIC_NEUTRAL },
1126 { 0x2282, 0x2283, SIC_NEUTRAL },
1127 { 0x2286, 0x2287, SIC_NEUTRAL },
1128 { 0x2295, 0x2295, SIC_NEUTRAL },
1129 { 0x2299, 0x2299, SIC_NEUTRAL },
1130 { 0x22a5, 0x22a5, SIC_NEUTRAL },
1131 { 0x22bf, 0x22bf, SIC_NEUTRAL },
1132 { 0x2312, 0x2312, SIC_NEUTRAL },
1133 { 0x24ea, 0x24ea, SIC_COMPLEX },
1134 { 0x2500, 0x254b, SIC_NEUTRAL },
1135 { 0x2550, 0x256d, SIC_NEUTRAL },
1136 { 0x256e, 0x2574, SIC_NEUTRAL },
1137 { 0x2581, 0x258f, SIC_NEUTRAL },
1138 { 0x2592, 0x2595, SIC_NEUTRAL },
1139 { 0x25a0, 0x25a1, SIC_NEUTRAL },
1140 { 0x25a3, 0x25a9, SIC_NEUTRAL },
1141 { 0x25b2, 0x25b3, SIC_NEUTRAL },
1142 { 0x25b6, 0x25b7, SIC_NEUTRAL },
1143 { 0x25bc, 0x25bd, SIC_NEUTRAL },
1144 { 0x25c0, 0x25c1, SIC_NEUTRAL },
1145 { 0x25c6, 0x25c8, SIC_NEUTRAL },
1146 { 0x25cb, 0x25cb, SIC_NEUTRAL },
1147 { 0x25ce, 0x25d1, SIC_NEUTRAL },
1148 { 0x25e2, 0x25e5, SIC_NEUTRAL },
1149 { 0x25ef, 0x25ef, SIC_NEUTRAL },
1150 { 0x2605, 0x2606, SIC_NEUTRAL },
1151 { 0x2609, 0x2609, SIC_NEUTRAL },
1152 { 0x260e, 0x260f, SIC_NEUTRAL },
1153 { 0x261c, 0x261c, SIC_NEUTRAL },
1154 { 0x261e, 0x261e, SIC_NEUTRAL },
1155 { 0x2640, 0x2640, SIC_NEUTRAL },
1156 { 0x2642, 0x2642, SIC_NEUTRAL },
1157 { 0x2660, 0x2661, SIC_NEUTRAL },
1158 { 0x2663, 0x2665, SIC_NEUTRAL },
1159 { 0x2667, 0x266a, SIC_NEUTRAL },
1160 { 0x266c, 0x266d, SIC_NEUTRAL },
1161 { 0x266f, 0x266f, SIC_NEUTRAL },
1162 { 0x273d, 0x273d, SIC_NEUTRAL },
1163 { 0x2e80, 0x312f, SIC_COMPLEX },
1164 { 0x3190, 0x31bf, SIC_COMPLEX },
1165 { 0x31f0, 0x31ff, SIC_COMPLEX },
1166 { 0x3220, 0x325f, SIC_COMPLEX },
1167 { 0x3280, 0xa4ff, SIC_COMPLEX },
1168 { 0xd800, 0xdfff, SIC_COMPLEX },
1169 { 0xe000, 0xf8ff, SIC_NEUTRAL },
1170 { 0xf900, 0xfaff, SIC_COMPLEX },
1171 { 0xfb13, 0xfb28, SIC_COMPLEX },
1172 { 0xfb29, 0xfb29, SIC_NEUTRAL },
1173 { 0xfb2a, 0xfb4f, SIC_COMPLEX },
1174 { 0xfd3e, 0xfd3f, SIC_NEUTRAL },
1175 { 0xfdd0, 0xfdef, SIC_COMPLEX },
1176 { 0xfe20, 0xfe6f, SIC_COMPLEX },
1177 { 0xfeff, 0xfeff, SIC_COMPLEX },
1178 { 0xff01, 0xff5e, SIC_COMPLEX },
1179 { 0xff61, 0xff9f, SIC_COMPLEX },
1180 { 0xffe0, 0xffe6, SIC_COMPLEX },
1181 { 0xffe8, 0xffee, SIC_COMPLEX },
1182 { 0xfff9, 0xfffb, SIC_COMPLEX },
1183 { 0xfffe, 0xfffe, SIC_COMPLEX }
1184 };
1185
1186 /***********************************************************************
1187 * ScriptIsComplex (USP10.@)
1188 *
1189 * Determine if a string is complex.
1190 *
1191 * PARAMS
1192 * chars [I] Array of characters to test.
1193 * len [I] Length in characters.
1194 * flag [I] Flag.
1195 *
1196 * RETURNS
1197 * Success: S_OK
1198 * Failure: S_FALSE
1199 *
1200 * NOTES
1201 * Behaviour matches that of WinXP.
1202 */
1203 HRESULT WINAPI ScriptIsComplex(const WCHAR *chars, int len, DWORD flag)
1204 {
1205 unsigned int i, j;
1206
1207 TRACE("(%s,%d,0x%x)\n", debugstr_wn(chars, len), len, flag);
1208
1209 for (i = 0; i < len; i++)
1210 {
1211 for (j = 0; j < sizeof(complex_ranges)/sizeof(complex_ranges[0]); j++)
1212 {
1213 if (chars[i] >= complex_ranges[j].start &&
1214 chars[i] <= complex_ranges[j].end &&
1215 (flag & complex_ranges[j].flag)) return S_OK;
1216 }
1217 }
1218 return S_FALSE;
1219 }
1220
1221 /***********************************************************************
1222 * ScriptShape (USP10.@)
1223 *
1224 * Produce glyphs and visual attributes for a run.
1225 *
1226 * PARAMS
1227 * hdc [I] Device context.
1228 * psc [I/O] Opaque pointer to a script cache.
1229 * pwcChars [I] Array of characters specifying the run.
1230 * cChars [I] Number of characters in pwcChars.
1231 * cMaxGlyphs [I] Length of pwOutGlyphs.
1232 * psa [I/O] String analysis.
1233 * pwOutGlyphs [O] Array of glyphs.
1234 * pwLogClust [O] Array of logical cluster info.
1235 * psva [O] Array of visual attributes.
1236 * pcGlyphs [O] Number of glyphs returned.
1237 *
1238 * RETURNS
1239 * Success: S_OK
1240 * Failure: Non-zero HRESULT value.
1241 */
1242 HRESULT WINAPI ScriptShape(HDC hdc, SCRIPT_CACHE *psc, const WCHAR *pwcChars,
1243 int cChars, int cMaxGlyphs,
1244 SCRIPT_ANALYSIS *psa, WORD *pwOutGlyphs, WORD *pwLogClust,
1245 SCRIPT_VISATTR *psva, int *pcGlyphs)
1246 {
1247 int cnt;
1248 HRESULT hr;
1249 HFONT hfont;
1250 *pcGlyphs = cChars;
1251
1252 TRACE("(%p, %p, %p, %d, %d, %p)\n", hdc, psc, pwcChars, cChars, cMaxGlyphs, psa);
1253 if (psa) TRACE("psa values: %d, %d, %d, %d, %d, %d, %d\n", psa->eScript, psa->fRTL, psa->fLayoutRTL,
1254 psa->fLinkBefore, psa->fLinkAfter, psa->fLogicalOrder, psa->fNoGlyphIndex);
1255
1256 if (cChars > cMaxGlyphs) return E_OUTOFMEMORY;
1257 if ((hr = get_script_cache(hdc, psc))) return hr;
1258
1259 hfont = select_cached_font(psc);
1260
1261 TRACE("Before: ");
1262 for (cnt = 0; cnt < cChars; cnt++)
1263 TRACE("%4x",pwcChars[cnt]);
1264 TRACE("\n");
1265
1266 if (!psa->fNoGlyphIndex) { /* Glyph translate */
1267 if (!(GetGlyphIndicesW(get_cache_hdc(psc), pwcChars, cChars, pwOutGlyphs, 0)))
1268 return S_FALSE;
1269
1270 TRACE("After: ");
1271 for (cnt = 0; cnt < cChars; cnt++) {
1272 TRACE("%04x",pwOutGlyphs[cnt]);
1273 }
1274 TRACE("\n");
1275 }
1276 else {
1277 TRACE("After: ");
1278 for (cnt = 0; cnt < cChars; cnt++) { /* no translate so set up */
1279 pwOutGlyphs[cnt] = pwcChars[cnt]; /* copy in to out and */
1280 TRACE("%04x",pwOutGlyphs[cnt]);
1281 }
1282 TRACE("\n");
1283 }
1284
1285 /* Set up a valid SCRIPT_VISATTR and LogClust for each char in this run */
1286 for (cnt = 0; cnt < cChars; cnt++) {
1287 /* FIXME: set to better values */
1288 psva[cnt].uJustification = 2;
1289 psva[cnt].fClusterStart = 1;
1290 psva[cnt].fDiacritic = 0;
1291 psva[cnt].fZeroWidth = 0;
1292 pwLogClust[cnt] = cnt;
1293 }
1294 unselect_cached_font(psc, hfont);
1295 return S_OK;
1296 }
1297
1298 /***********************************************************************
1299 * ScriptPlace (USP10.@)
1300 *
1301 * Produce advance widths for a run.
1302 *
1303 * PARAMS
1304 * hdc [I] Device context.
1305 * psc [I/O] Opaque pointer to a script cache.
1306 * pwGlyphs [I] Array of glyphs.
1307 * cGlyphs [I] Number of glyphs in pwGlyphs.
1308 * psva [I] Array of visual attributes.
1309 * psa [I/O] String analysis.
1310 * piAdvance [O] Array of advance widths.
1311 * pGoffset [O] Glyph offsets.
1312 * pABC [O] Combined ABC width.
1313 *
1314 * RETURNS
1315 * Success: S_OK
1316 * Failure: Non-zero HRESULT value.
1317 */
1318 HRESULT WINAPI ScriptPlace(HDC hdc, SCRIPT_CACHE *psc, const WORD *pwGlyphs,
1319 int cGlyphs, const SCRIPT_VISATTR *psva,
1320 SCRIPT_ANALYSIS *psa, int *piAdvance, GOFFSET *pGoffset, ABC *pABC )
1321 {
1322 int wcnt;
1323 HRESULT hr;
1324 LPABC lpABC;
1325 HFONT hfont;
1326
1327 TRACE("(%p, %p, %p, %s, %d, %p, %p, %p)\n", hdc, psc, pwGlyphs,
1328 debugstr_wn(pwGlyphs, cGlyphs), cGlyphs, psva, psa, piAdvance);
1329
1330 if ((hr = get_script_cache(hdc, psc))) return hr;
1331
1332 hfont = select_cached_font(psc);
1333
1334 /* Here we need to calculate the width of the run unit. At this point the input string
1335 * has been converted to glyphs and we still need to translate back to the original chars
1336 * to get the correct ABC widths. */
1337
1338 if (!(lpABC = usp_zero_alloc(sizeof(ABC) * cGlyphs))) return E_OUTOFMEMORY;
1339 if (pABC)
1340 memset(pABC, 0, sizeof(ABC));
1341
1342 /* FIXME: set pGoffset to more reasonable values */
1343 if (!GetCharABCWidthsI(get_cache_hdc(psc), 0, cGlyphs, (WORD *)pwGlyphs, lpABC))
1344 {
1345 WARN("Could not get ABC values\n");
1346 for (wcnt = 0; wcnt < cGlyphs; wcnt++) {
1347 piAdvance[wcnt] = 0;
1348 pGoffset[wcnt].du = 0;
1349 pGoffset[wcnt].dv = 0;
1350 }
1351 }
1352 else
1353 {
1354 for (wcnt = 0; wcnt < cGlyphs ; wcnt++) { /* add up the char lengths */
1355 TRACE(" Glyph=%04x, abcA=%d, abcB=%d, abcC=%d wcnt=%d\n",
1356 pwGlyphs[wcnt],
1357 lpABC[wcnt].abcA,
1358 lpABC[wcnt].abcB,
1359 lpABC[wcnt].abcC, wcnt);
1360 if (pABC)
1361 {
1362 pABC->abcA += lpABC[wcnt].abcA;
1363 pABC->abcB += lpABC[wcnt].abcB;
1364 pABC->abcC += lpABC[wcnt].abcC;
1365 }
1366 piAdvance[wcnt] = lpABC[wcnt].abcA + lpABC[wcnt].abcB + lpABC[wcnt].abcC;
1367 pGoffset[wcnt].du = 0;
1368 pGoffset[wcnt].dv = 0;
1369 }
1370 }
1371 if (pABC)
1372 TRACE("Total for run: abcA=%d, abcB=%d, abcC=%d\n", pABC->abcA, pABC->abcB, pABC->abcC);
1373
1374 usp_free(lpABC);
1375 unselect_cached_font(psc, hfont);
1376 return S_OK;
1377 }
1378
1379 /***********************************************************************
1380 * ScriptGetCMap (USP10.@)
1381 *
1382 * Retrieve glyph indices.
1383 *
1384 * PARAMS
1385 * hdc [I] Device context.
1386 * psc [I/O] Opaque pointer to a script cache.
1387 * pwcInChars [I] Array of Unicode characters.
1388 * cChars [I] Number of characters in pwcInChars.
1389 * dwFlags [I] Flags.
1390 * pwOutGlyphs [O] Buffer to receive the array of glyph indices.
1391 *
1392 * RETURNS
1393 * Success: S_OK
1394 * Failure: Non-zero HRESULT value.
1395 */
1396 HRESULT WINAPI ScriptGetCMap(HDC hdc, SCRIPT_CACHE *psc, const WCHAR *pwcInChars,
1397 int cChars, DWORD dwFlags, WORD *pwOutGlyphs)
1398 {
1399 int cnt;
1400 HRESULT hr;
1401 HFONT hfont;
1402
1403 TRACE("(%p,%p,%s,%d,0x%x,%p)\n", hdc, psc, debugstr_wn(pwcInChars, cChars),
1404 cChars, dwFlags, pwOutGlyphs);
1405
1406 if ((hr = get_script_cache(hdc, psc))) return hr;
1407
1408 hfont = select_cached_font(psc);
1409
1410 TRACE("Before: ");
1411 for (cnt = 0; cnt < cChars; cnt++)
1412 TRACE("%4x",pwcInChars[cnt]);
1413 TRACE("\n");
1414
1415 GetGlyphIndicesW(get_cache_hdc(psc), pwcInChars, cChars, pwOutGlyphs, 0);
1416
1417 TRACE("After: ");
1418 for (cnt = 0; cnt < cChars; cnt++) {
1419 TRACE("%04x",pwOutGlyphs[cnt]);
1420 }
1421 TRACE("\n");
1422
1423 unselect_cached_font(psc, hfont);
1424 return S_OK;
1425 }
1426
1427 /***********************************************************************
1428 * ScriptTextOut (USP10.@)
1429 *
1430 */
1431 HRESULT WINAPI ScriptTextOut(const HDC hdc, SCRIPT_CACHE *psc, int x, int y, UINT fuOptions,
1432 const RECT *lprc, const SCRIPT_ANALYSIS *psa, const WCHAR *pwcReserved,
1433 int iReserved, const WORD *pwGlyphs, int cGlyphs, const int *piAdvance,
1434 const int *piJustify, const GOFFSET *pGoffset)
1435 {
1436 HFONT hfont;
1437 HRESULT hr = S_OK;
1438
1439 TRACE("(%p, %p, %d, %d, %04x, %p, %p, %p, %d, %p, %d, %p, %p, %p)\n",
1440 hdc, psc, x, y, fuOptions, lprc, psa, pwcReserved, iReserved, pwGlyphs, cGlyphs,
1441 piAdvance, piJustify, pGoffset);
1442
1443 if (!hdc && psc && !*psc) return E_INVALIDARG;
1444 if (!piAdvance || !psa || !pwGlyphs) return E_INVALIDARG;
1445 if ((hr = get_script_cache(hdc, psc))) return hr;
1446
1447 hfont = select_cached_font(psc);
1448
1449 fuOptions &= ETO_CLIPPED + ETO_OPAQUE;
1450 if (!psa->fNoGlyphIndex) /* Have Glyphs? */
1451 fuOptions |= ETO_GLYPH_INDEX; /* Say don't do translation to glyph */
1452
1453 if (!ExtTextOutW(get_cache_hdc(psc), x, y, fuOptions, lprc, pwGlyphs, cGlyphs, NULL))
1454 hr = S_FALSE;
1455
1456 unselect_cached_font(psc, hfont);
1457 return hr;
1458 }
1459
1460 /***********************************************************************
1461 * ScriptCacheGetHeight (USP10.@)
1462 *
1463 * Retrieve the height of the font in the cache.
1464 *
1465 * PARAMS
1466 * hdc [I] Device context.
1467 * psc [I/O] Opaque pointer to a script cache.
1468 * height [O] Receives font height.
1469 *
1470 * RETURNS
1471 * Success: S_OK
1472 * Failure: Non-zero HRESULT value.
1473 */
1474 HRESULT WINAPI ScriptCacheGetHeight(HDC hdc, SCRIPT_CACHE *psc, LONG *height)
1475 {
1476 HRESULT hr;
1477
1478 TRACE("(%p, %p, %p)\n", hdc, psc, height);
1479
1480 if (!height) return E_INVALIDARG;
1481 if ((hr = get_script_cache(hdc, psc))) return hr;
1482
1483 *height = get_cache_height(psc);
1484 return S_OK;
1485 }
1486
1487 /***********************************************************************
1488 * ScriptGetGlyphABCWidth (USP10.@)
1489 *
1490 * Retrieve the width of a glyph.
1491 *
1492 * PARAMS
1493 * hdc [I] Device context.
1494 * psc [I/O] Opaque pointer to a script cache.
1495 * glyph [I] Glyph to retrieve the width for.
1496 * abc [O] ABC widths of the glyph.
1497 *
1498 * RETURNS
1499 * Success: S_OK
1500 * Failure: Non-zero HRESULT value.
1501 */
1502 HRESULT WINAPI ScriptGetGlyphABCWidth(HDC hdc, SCRIPT_CACHE *psc, WORD glyph, ABC *abc)
1503 {
1504 HFONT hfont;
1505 HRESULT hr = S_OK;
1506
1507 TRACE("(%p, %p, 0x%04x, %p)\n", hdc, psc, glyph, abc);
1508
1509 if ((hr = get_script_cache(hdc, psc))) return hr;
1510
1511 hfont = select_cached_font(psc);
1512 if (!GetCharABCWidthsI(get_cache_hdc(psc), 0, 1, &glyph, abc)) hr = E_HANDLE;
1513
1514 unselect_cached_font(psc, hfont);
1515 return hr;
1516 }
1517
1518 /***********************************************************************
1519 * ScriptLayout (USP10.@)
1520 *
1521 * Map embedding levels to visual and/or logical order.
1522 *
1523 * PARAMS
1524 * runs [I] Size of level array.
1525 * level [I] Array of embedding levels.
1526 * vistolog [O] Map of embedding levels from visual to logical order.
1527 * logtovis [O] Map of embedding levels from logical to visual order.
1528 *
1529 * RETURNS
1530 * Success: S_OK
1531 * Failure: Non-zero HRESULT value.
1532 *
1533 * BUGS
1534 * This stub works correctly for any sequence of a single
1535 * embedding level but not for sequences of different
1536 * embedding levels, i.e. mixtures of RTL and LTR scripts.
1537 */
1538 HRESULT WINAPI ScriptLayout(int runs, const BYTE *level, int *vistolog, int *logtovis)
1539 {
1540 int i, j = runs - 1, k = 0;
1541
1542 TRACE("(%d, %p, %p, %p)\n", runs, level, vistolog, logtovis);
1543
1544 if (!level || (!vistolog && !logtovis))
1545 return E_INVALIDARG;
1546
1547 for (i = 0; i < runs; i++)
1548 {
1549 if (level[i] % 2)
1550 {
1551 if (vistolog) *vistolog++ = j;
1552 if (logtovis) *logtovis++ = j;
1553 j--;
1554 }
1555 else
1556 {
1557 if (vistolog) *vistolog++ = k;
1558 if (logtovis) *logtovis++ = k;
1559 k++;
1560 }
1561 }
1562 return S_OK;
1563 }
1564
1565 /***********************************************************************
1566 * ScriptStringGetLogicalWidths (USP10.@)
1567 *
1568 * Returns logical widths from a string analysis.
1569 *
1570 * PARAMS
1571 * ssa [I] string analysis.
1572 * piDx [O] logical widths returned.
1573 *
1574 * RETURNS
1575 * Success: S_OK
1576 * Failure: a non-zero HRESULT.
1577 */
1578 HRESULT WINAPI ScriptStringGetLogicalWidths(SCRIPT_STRING_ANALYSIS ssa, int *piDx)
1579 {
1580 int i, j, next = 0;
1581 StringAnalysis *analysis = ssa;
1582
1583 TRACE("%p, %p\n", ssa, piDx);
1584
1585 if (!analysis) return S_FALSE;
1586
1587 for (i = 0; i < analysis->numItems; i++)
1588 {
1589 for (j = 0; j < analysis->glyphs[i].numGlyphs; j++)
1590 {
1591 piDx[next] = analysis->glyphs[i].piAdvance[j];
1592 next++;
1593 }
1594 }
1595 return S_OK;
1596 }
1597
1598 /***********************************************************************
1599 * ScriptStringValidate (USP10.@)
1600 *
1601 * Validate a string analysis.
1602 *
1603 * PARAMS
1604 * ssa [I] string analysis.
1605 *
1606 * RETURNS
1607 * Success: S_OK
1608 * Failure: S_FALSE if invalid sequences are found
1609 * or a non-zero HRESULT if it fails.
1610 */
1611 HRESULT WINAPI ScriptStringValidate(SCRIPT_STRING_ANALYSIS ssa)
1612 {
1613 StringAnalysis *analysis = ssa;
1614
1615 TRACE("(%p)\n", ssa);
1616
1617 if (!analysis) return E_INVALIDARG;
1618 return (analysis->invalid) ? S_FALSE : S_OK;
1619 }
1620
1621 /***********************************************************************
1622 * ScriptString_pSize (USP10.@)
1623 *
1624 * Retrieve width and height of an analysed string.
1625 *
1626 * PARAMS
1627 * ssa [I] string analysis.
1628 *
1629 * RETURNS
1630 * Success: Pointer to a SIZE structure.
1631 * Failure: NULL
1632 */
1633 const SIZE * WINAPI ScriptString_pSize(SCRIPT_STRING_ANALYSIS ssa)
1634 {
1635 unsigned int i, j;
1636 StringAnalysis *analysis = ssa;
1637
1638 TRACE("(%p)\n", ssa);
1639
1640 if (!analysis) return NULL;
1641
1642 if (!analysis->sz)
1643 {
1644 if (!(analysis->sz = usp_alloc(sizeof(SIZE)))) return NULL;
1645 analysis->sz->cy = analysis->sc->height;
1646
1647 analysis->sz->cx = 0;
1648 for (i = 0; i < analysis->numItems; i++)
1649 for (j = 0; j < analysis->glyphs[i].numGlyphs; j++)
1650 analysis->sz->cx += analysis->glyphs[i].piAdvance[j];
1651 }
1652 return analysis->sz;
1653 }
1654
1655 /***********************************************************************
1656 * ScriptString_pLogAttr (USP10.@)
1657 *
1658 * Retrieve logical attributes of an analysed string.
1659 *
1660 * PARAMS
1661 * ssa [I] string analysis.
1662 *
1663 * RETURNS
1664 * Success: Pointer to an array of SCRIPT_LOGATTR structures.
1665 * Failure: NULL
1666 */
1667 const SCRIPT_LOGATTR * WINAPI ScriptString_pLogAttr(SCRIPT_STRING_ANALYSIS ssa)
1668 {
1669 StringAnalysis *analysis = ssa;
1670
1671 TRACE("(%p)\n", ssa);
1672
1673 if (!analysis) return NULL;
1674 return analysis->logattrs;
1675 }
1676
1677 /***********************************************************************
1678 * ScriptString_pcOutChars (USP10.@)
1679 *
1680 * Retrieve the length of a string after clipping.
1681 *
1682 * PARAMS
1683 * ssa [I] String analysis.
1684 *
1685 * RETURNS
1686 * Success: Pointer to the length.
1687 * Failure: NULL
1688 */
1689 const int * WINAPI ScriptString_pcOutChars(SCRIPT_STRING_ANALYSIS ssa)
1690 {
1691 StringAnalysis *analysis = ssa;
1692
1693 TRACE("(%p)\n", ssa);
1694
1695 if (!analysis) return NULL;
1696 return &analysis->clip_len;
1697 }
1698
1699 /***********************************************************************
1700 * ScriptStringGetOrder (USP10.@)
1701 *
1702 * Retrieve a glyph order map.
1703 *
1704 * PARAMS
1705 * ssa [I] String analysis.
1706 * order [I/O] Array of glyph positions.
1707 *
1708 * RETURNS
1709 * Success: S_OK
1710 * Failure: a non-zero HRESULT.
1711 */
1712 HRESULT WINAPI ScriptStringGetOrder(SCRIPT_STRING_ANALYSIS ssa, UINT *order)
1713 {
1714 unsigned int i, j, k;
1715 StringAnalysis *analysis = ssa;
1716
1717 TRACE("(%p)\n", ssa);
1718
1719 if (!analysis) return S_FALSE;
1720
1721 /* FIXME: handle RTL scripts */
1722 for (i = 0, k = 0; i < analysis->numItems; i++)
1723 for (j = 0; j < analysis->glyphs[i].numGlyphs; j++, k++)
1724 order[k] = k;
1725
1726 return S_OK;
1727 }
1728
1729 /***********************************************************************
1730 * ScriptGetLogicalWidths (USP10.@)
1731 *
1732 * Convert advance widths to logical widths.
1733 *
1734 * PARAMS
1735 * sa [I] Script analysis.
1736 * nbchars [I] Number of characters.
1737 * nbglyphs [I] Number of glyphs.
1738 * glyph_width [I] Array of glyph widths.
1739 * log_clust [I] Array of logical clusters.
1740 * sva [I] Visual attributes.
1741 * widths [O] Array of logical widths.
1742 *
1743 * RETURNS
1744 * Success: S_OK
1745 * Failure: a non-zero HRESULT.
1746 */
1747 HRESULT WINAPI ScriptGetLogicalWidths(const SCRIPT_ANALYSIS *sa, int nbchars, int nbglyphs,
1748 const int *glyph_width, const WORD *log_clust,
1749 const SCRIPT_VISATTR *sva, int *widths)
1750 {
1751 int i;
1752
1753 TRACE("(%p, %d, %d, %p, %p, %p, %p)\n",
1754 sa, nbchars, nbglyphs, glyph_width, log_clust, sva, widths);
1755
1756 /* FIXME */
1757 for (i = 0; i < nbchars; i++) widths[i] = glyph_width[i];
1758 return S_OK;
1759 }
Quick hack tree for wine patches julliard doesn't want to commit