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user32: Add Lithuanian translation.
[wine/multimedia.git] / dlls / usp10 / usp10.c
blobfc2f8e9bb4e76c013be26ded8e34c946d57da158
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 #define GLYPH_BLOCK_SHIFT 8
142 #define GLYPH_BLOCK_SIZE (1UL << GLYPH_BLOCK_SHIFT)
143 #define GLYPH_BLOCK_MASK (GLYPH_BLOCK_SIZE - 1)
144 #define GLYPH_MAX 65536
145
146 typedef struct {
147 LOGFONTW lf;
148 TEXTMETRICW tm;
149 WORD *glyphs[GLYPH_MAX / GLYPH_BLOCK_SIZE];
150 ABC *widths[GLYPH_MAX / GLYPH_BLOCK_SIZE];
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 HDC hdc;
165 BOOL invalid;
166 int clip_len;
167 ScriptCache *sc;
168 int cItems;
169 int cMaxGlyphs;
170 SCRIPT_ITEM* pItem;
171 int numItems;
172 StringGlyphs* glyphs;
173 SCRIPT_LOGATTR* logattrs;
174 SIZE* sz;
175 } StringAnalysis;
176
177 static inline void *heap_alloc(SIZE_T size)
178 {
179 return HeapAlloc(GetProcessHeap(), 0, size);
180 }
181
182 static inline void *heap_alloc_zero(SIZE_T size)
183 {
184 return HeapAlloc(GetProcessHeap(), HEAP_ZERO_MEMORY, size);
185 }
186
187 static inline void *heap_realloc_zero(LPVOID mem, SIZE_T size)
188 {
189 return HeapReAlloc(GetProcessHeap(), HEAP_ZERO_MEMORY, mem, size);
190 }
191
192 static inline BOOL heap_free(LPVOID mem)
193 {
194 return HeapFree(GetProcessHeap(), 0, mem);
195 }
196
197 static inline WCHAR get_cache_default_char(SCRIPT_CACHE *psc)
198 {
199 return ((ScriptCache *)*psc)->tm.tmDefaultChar;
200 }
201
202 static inline LONG get_cache_height(SCRIPT_CACHE *psc)
203 {
204 return ((ScriptCache *)*psc)->tm.tmHeight;
205 }
206
207 static inline BYTE get_cache_pitch_family(SCRIPT_CACHE *psc)
208 {
209 return ((ScriptCache *)*psc)->tm.tmPitchAndFamily;
210 }
211
212 static inline WORD get_cache_glyph(SCRIPT_CACHE *psc, WCHAR c)
213 {
214 WORD *block = ((ScriptCache *)*psc)->glyphs[c >> GLYPH_BLOCK_SHIFT];
215
216 if (!block) return 0;
217 return block[c & GLYPH_BLOCK_MASK];
218 }
219
220 static inline WORD set_cache_glyph(SCRIPT_CACHE *psc, WCHAR c, WORD glyph)
221 {
222 WORD **block = &((ScriptCache *)*psc)->glyphs[c >> GLYPH_BLOCK_SHIFT];
223
224 if (!*block && !(*block = heap_alloc_zero(sizeof(WORD) * GLYPH_BLOCK_SIZE))) return 0;
225 return ((*block)[c & GLYPH_BLOCK_MASK] = glyph);
226 }
227
228 static inline BOOL get_cache_glyph_widths(SCRIPT_CACHE *psc, WORD glyph, ABC *abc)
229 {
230 static const ABC nil;
231 ABC *block = ((ScriptCache *)*psc)->widths[glyph >> GLYPH_BLOCK_SHIFT];
232
233 if (!block || !memcmp(&block[glyph & GLYPH_BLOCK_MASK], &nil, sizeof(ABC))) return FALSE;
234 memcpy(abc, &block[glyph & GLYPH_BLOCK_MASK], sizeof(ABC));
235 return TRUE;
236 }
237
238 static inline BOOL set_cache_glyph_widths(SCRIPT_CACHE *psc, WORD glyph, ABC *abc)
239 {
240 ABC **block = &((ScriptCache *)*psc)->widths[glyph >> GLYPH_BLOCK_SHIFT];
241
242 if (!*block && !(*block = heap_alloc_zero(sizeof(ABC) * GLYPH_BLOCK_SIZE))) return FALSE;
243 memcpy(&(*block)[glyph & GLYPH_BLOCK_MASK], abc, sizeof(ABC));
244 return TRUE;
245 }
246
247 static HRESULT init_script_cache(const HDC hdc, SCRIPT_CACHE *psc)
248 {
249 ScriptCache *sc;
250
251 if (!psc) return E_INVALIDARG;
252 if (*psc) return S_OK;
253 if (!hdc) return E_PENDING;
254
255 if (!(sc = heap_alloc_zero(sizeof(ScriptCache)))) return E_OUTOFMEMORY;
256 if (!GetTextMetricsW(hdc, &sc->tm))
257 {
258 heap_free(sc);
259 return E_INVALIDARG;
260 }
261 if (!GetObjectW(GetCurrentObject(hdc, OBJ_FONT), sizeof(LOGFONTW), &sc->lf))
262 {
263 heap_free(sc);
264 return E_INVALIDARG;
265 }
266 *psc = sc;
267 TRACE("<- %p\n", sc);
268 return S_OK;
269 }
270
271 /***********************************************************************
272 * DllMain
273 *
274 */
275 BOOL WINAPI DllMain(HINSTANCE hInstDLL, DWORD fdwReason, LPVOID lpv)
276 {
277 switch(fdwReason)
278 {
279 case DLL_PROCESS_ATTACH:
280 DisableThreadLibraryCalls(hInstDLL);
281 break;
282 case DLL_PROCESS_DETACH:
283 break;
284 }
285 return TRUE;
286 }
287
288 /***********************************************************************
289 * ScriptFreeCache (USP10.@)
290 *
291 * Free a script cache.
292 *
293 * PARAMS
294 * psc [I/O] Script cache.
295 *
296 * RETURNS
297 * Success: S_OK
298 * Failure: Non-zero HRESULT value.
299 */
300 HRESULT WINAPI ScriptFreeCache(SCRIPT_CACHE *psc)
301 {
302 TRACE("%p\n", psc);
303
304 if (psc && *psc)
305 {
306 unsigned int i;
307 for (i = 0; i < GLYPH_MAX / GLYPH_BLOCK_SIZE; i++)
308 {
309 heap_free(((ScriptCache *)*psc)->glyphs[i]);
310 heap_free(((ScriptCache *)*psc)->widths[i]);
311 }
312 heap_free(*psc);
313 *psc = NULL;
314 }
315 return S_OK;
316 }
317
318 /***********************************************************************
319 * ScriptGetProperties (USP10.@)
320 *
321 * Retrieve a list of script properties.
322 *
323 * PARAMS
324 * props [I] Pointer to an array of SCRIPT_PROPERTIES pointers.
325 * num [I] Pointer to the number of scripts.
326 *
327 * RETURNS
328 * Success: S_OK
329 * Failure: Non-zero HRESULT value.
330 *
331 * NOTES
332 * Behaviour matches WinXP.
333 */
334 HRESULT WINAPI ScriptGetProperties(const SCRIPT_PROPERTIES ***props, int *num)
335 {
336 TRACE("(%p,%p)\n", props, num);
337
338 if (!props && !num) return E_INVALIDARG;
339
340 if (num) *num = sizeof(script_props)/sizeof(script_props[0]);
341 if (props) *props = script_props;
342
343 return S_OK;
344 }
345
346 /***********************************************************************
347 * ScriptGetFontProperties (USP10.@)
348 *
349 * Get information on special glyphs.
350 *
351 * PARAMS
352 * hdc [I] Device context.
353 * psc [I/O] Opaque pointer to a script cache.
354 * sfp [O] Font properties structure.
355 */
356 HRESULT WINAPI ScriptGetFontProperties(HDC hdc, SCRIPT_CACHE *psc, SCRIPT_FONTPROPERTIES *sfp)
357 {
358 HRESULT hr;
359
360 TRACE("%p,%p,%p\n", hdc, psc, sfp);
361
362 if (!sfp) return E_INVALIDARG;
363 if ((hr = init_script_cache(hdc, psc)) != S_OK) return hr;
364
365 if (sfp->cBytes != sizeof(SCRIPT_FONTPROPERTIES))
366 return E_INVALIDARG;
367
368 /* return something sensible? */
369 sfp->wgBlank = 0;
370 sfp->wgDefault = get_cache_default_char(psc);
371 sfp->wgInvalid = 0;
372 sfp->wgKashida = 0xffff;
373 sfp->iKashidaWidth = 0;
374
375 return S_OK;
376 }
377
378 /***********************************************************************
379 * ScriptRecordDigitSubstitution (USP10.@)
380 *
381 * Record digit substitution settings for a given locale.
382 *
383 * PARAMS
384 * locale [I] Locale identifier.
385 * sds [I] Structure to record substitution settings.
386 *
387 * RETURNS
388 * Success: S_OK
389 * Failure: E_POINTER if sds is NULL, E_INVALIDARG otherwise.
390 *
391 * SEE ALSO
392 * http://blogs.msdn.com/michkap/archive/2006/02/22/536877.aspx
393 */
394 HRESULT WINAPI ScriptRecordDigitSubstitution(LCID locale, SCRIPT_DIGITSUBSTITUTE *sds)
395 {
396 DWORD plgid, sub;
397
398 TRACE("0x%x, %p\n", locale, sds);
399
400 /* This implementation appears to be correct for all languages, but it's
401 * not clear if sds->DigitSubstitute is ever set to anything except
402 * CONTEXT or NONE in reality */
403
404 if (!sds) return E_POINTER;
405
406 locale = ConvertDefaultLocale(locale);
407
408 if (!IsValidLocale(locale, LCID_INSTALLED))
409 return E_INVALIDARG;
410
411 plgid = PRIMARYLANGID(LANGIDFROMLCID(locale));
412 sds->TraditionalDigitLanguage = plgid;
413
414 if (plgid == LANG_ARABIC || plgid == LANG_FARSI)
415 sds->NationalDigitLanguage = plgid;
416 else
417 sds->NationalDigitLanguage = LANG_ENGLISH;
418
419 if (!GetLocaleInfoW(locale, LOCALE_IDIGITSUBSTITUTION | LOCALE_RETURN_NUMBER,
420 (LPWSTR)&sub, sizeof(sub)/sizeof(WCHAR))) return E_INVALIDARG;
421
422 switch (sub)
423 {
424 case 0:
425 if (plgid == LANG_ARABIC || plgid == LANG_FARSI)
426 sds->DigitSubstitute = SCRIPT_DIGITSUBSTITUTE_CONTEXT;
427 else
428 sds->DigitSubstitute = SCRIPT_DIGITSUBSTITUTE_NONE;
429 break;
430 case 1:
431 sds->DigitSubstitute = SCRIPT_DIGITSUBSTITUTE_NONE;
432 break;
433 case 2:
434 sds->DigitSubstitute = SCRIPT_DIGITSUBSTITUTE_NATIONAL;
435 break;
436 default:
437 sds->DigitSubstitute = SCRIPT_DIGITSUBSTITUTE_TRADITIONAL;
438 break;
439 }
440
441 sds->dwReserved = 0;
442 return S_OK;
443 }
444
445 /***********************************************************************
446 * ScriptApplyDigitSubstitution (USP10.@)
447 *
448 * Apply digit substitution settings.
449 *
450 * PARAMS
451 * sds [I] Structure with recorded substitution settings.
452 * sc [I] Script control structure.
453 * ss [I] Script state structure.
454 *
455 * RETURNS
456 * Success: S_OK
457 * Failure: E_INVALIDARG if sds is invalid. Otherwise an HRESULT.
458 */
459 HRESULT WINAPI ScriptApplyDigitSubstitution(const SCRIPT_DIGITSUBSTITUTE *sds,
460 SCRIPT_CONTROL *sc, SCRIPT_STATE *ss)
461 {
462 SCRIPT_DIGITSUBSTITUTE psds;
463
464 TRACE("%p, %p, %p\n", sds, sc, ss);
465
466 if (!sc || !ss) return E_POINTER;
467 if (!sds)
468 {
469 sds = &psds;
470 if (ScriptRecordDigitSubstitution(LOCALE_USER_DEFAULT, &psds) != S_OK)
471 return E_INVALIDARG;
472 }
473
474 sc->uDefaultLanguage = LANG_ENGLISH;
475 sc->fContextDigits = 0;
476 ss->fDigitSubstitute = 0;
477
478 switch (sds->DigitSubstitute) {
479 case SCRIPT_DIGITSUBSTITUTE_CONTEXT:
480 case SCRIPT_DIGITSUBSTITUTE_NATIONAL:
481 case SCRIPT_DIGITSUBSTITUTE_NONE:
482 case SCRIPT_DIGITSUBSTITUTE_TRADITIONAL:
483 return S_OK;
484 default:
485 return E_INVALIDARG;
486 }
487 }
488
489 /***********************************************************************
490 * ScriptItemize (USP10.@)
491 *
492 * Split a Unicode string into shapeable parts.
493 *
494 * PARAMS
495 * pwcInChars [I] String to split.
496 * cInChars [I] Number of characters in pwcInChars.
497 * cMaxItems [I] Maximum number of items to return.
498 * psControl [I] Pointer to a SCRIPT_CONTROL structure.
499 * psState [I] Pointer to a SCRIPT_STATE structure.
500 * pItems [O] Buffer to receive SCRIPT_ITEM structures.
501 * pcItems [O] Number of script items returned.
502 *
503 * RETURNS
504 * Success: S_OK
505 * Failure: Non-zero HRESULT value.
506 */
507 HRESULT WINAPI ScriptItemize(const WCHAR *pwcInChars, int cInChars, int cMaxItems,
508 const SCRIPT_CONTROL *psControl, const SCRIPT_STATE *psState,
509 SCRIPT_ITEM *pItems, int *pcItems)
510 {
511
512 #define Numeric_start 0x0030
513 #define Numeric_stop 0x0039
514 #define Numeric_space 0x0020
515 #define Arabic_start 0x0600
516 #define Arabic_stop 0x06ff
517 #define Latin_start 0x0001
518 #define Latin_stop 0x024f
519 #define Script_Arabic 6
520 #define Script_Latin 1
521 #define Script_Numeric 5
522 #define Script_CR 22
523 #define Script_LF 23
524
525 int cnt = 0, index = 0;
526 int New_Script = SCRIPT_UNDEFINED;
527
528 TRACE("%s,%d,%d,%p,%p,%p,%p\n", debugstr_wn(pwcInChars, cInChars), cInChars, cMaxItems,
529 psControl, psState, pItems, pcItems);
530
531 if (!pwcInChars || !cInChars || !pItems || cMaxItems < 2)
532 return E_INVALIDARG;
533
534 pItems[index].iCharPos = 0;
535 memset(&pItems[index].a, 0, sizeof(SCRIPT_ANALYSIS));
536
537 if (pwcInChars[cnt] == '\r')
538 pItems[index].a.eScript = Script_CR;
539 else
540 if (pwcInChars[cnt] == '\n')
541 pItems[index].a.eScript = Script_LF;
542 else
543 if (pwcInChars[cnt] >= Numeric_start && pwcInChars[cnt] <= Numeric_stop)
544 pItems[index].a.eScript = Script_Numeric;
545 else
546 if (pwcInChars[cnt] >= Arabic_start && pwcInChars[cnt] <= Arabic_stop)
547 pItems[index].a.eScript = Script_Arabic;
548 else
549 if (pwcInChars[cnt] >= Latin_start && pwcInChars[cnt] <= Latin_stop)
550 pItems[index].a.eScript = Script_Latin;
551
552 if (pItems[index].a.eScript == Script_Arabic)
553 pItems[index].a.s.uBidiLevel = 1;
554
555 TRACE("New_Script=%d, eScript=%d index=%d cnt=%d iCharPos=%d\n",
556 New_Script, pItems[index].a.eScript, index, cnt,
557 pItems[index].iCharPos);
558
559 for (cnt=1; cnt < cInChars; cnt++)
560 {
561 if (pwcInChars[cnt] == '\r')
562 New_Script = Script_CR;
563 else
564 if (pwcInChars[cnt] == '\n')
565 New_Script = Script_LF;
566 else
567 if ((pwcInChars[cnt] >= Numeric_start && pwcInChars[cnt] <= Numeric_stop)
568 || (New_Script == Script_Numeric && pwcInChars[cnt] == Numeric_space))
569 New_Script = Script_Numeric;
570 else
571 if ((pwcInChars[cnt] >= Arabic_start && pwcInChars[cnt] <= Arabic_stop)
572 || (New_Script == Script_Arabic && pwcInChars[cnt] == Numeric_space))
573 New_Script = Script_Arabic;
574 else
575 if ((pwcInChars[cnt] >= Latin_start && pwcInChars[cnt] <= Latin_stop)
576 || (New_Script == Script_Latin && pwcInChars[cnt] == Numeric_space))
577 New_Script = Script_Latin;
578 else
579 New_Script = SCRIPT_UNDEFINED;
580
581 if (New_Script != pItems[index].a.eScript)
582 {
583 TRACE("New_Script=%d, eScript=%d ", New_Script, pItems[index].a.eScript);
584 index++;
585 if (index+1 > cMaxItems)
586 return E_OUTOFMEMORY;
587
588 pItems[index].iCharPos = cnt;
589 memset(&pItems[index].a, 0, sizeof(SCRIPT_ANALYSIS));
590
591 if (New_Script == Script_Arabic)
592 pItems[index].a.s.uBidiLevel = 1;
593
594 pItems[index].a.eScript = New_Script;
595 if (New_Script == Script_Arabic)
596 pItems[index].a.s.uBidiLevel = 1;
597
598 TRACE("index=%d cnt=%d iCharPos=%d\n", index, cnt, pItems[index].iCharPos);
599 }
600 }
601
602 /* While not strictly necessary according to the spec, make sure the n+1
603 * item is set up to prevent random behaviour if the caller erroneously
604 * checks the n+1 structure */
605 memset(&pItems[index+1].a, 0, sizeof(SCRIPT_ANALYSIS));
606
607 TRACE("index=%d cnt=%d iCharPos=%d\n", index+1, cnt, pItems[index+1].iCharPos = cnt);
608
609 /* Set one SCRIPT_STATE item being returned */
610 if (pcItems) *pcItems = index + 1;
611
612 /* Set SCRIPT_ITEM */
613 pItems[index+1].iCharPos = cnt; /* the last + 1 item
614 contains the ptr to the lastchar */
615 return S_OK;
616 }
617
618 /***********************************************************************
619 * ScriptStringAnalyse (USP10.@)
620 *
621 */
622 HRESULT WINAPI ScriptStringAnalyse(HDC hdc, const void *pString, int cString,
623 int cGlyphs, int iCharset, DWORD dwFlags,
624 int iReqWidth, SCRIPT_CONTROL *psControl,
625 SCRIPT_STATE *psState, const int *piDx,
626 SCRIPT_TABDEF *pTabdef, const BYTE *pbInClass,
627 SCRIPT_STRING_ANALYSIS *pssa)
628 {
629 HRESULT hr = E_OUTOFMEMORY;
630 StringAnalysis *analysis = NULL;
631 int i, num_items = 255;
632
633 TRACE("(%p,%p,%d,%d,%d,0x%x,%d,%p,%p,%p,%p,%p,%p)\n",
634 hdc, pString, cString, cGlyphs, iCharset, dwFlags, iReqWidth,
635 psControl, psState, piDx, pTabdef, pbInClass, pssa);
636
637 if (iCharset != -1)
638 {
639 FIXME("Only Unicode strings are supported\n");
640 return E_INVALIDARG;
641 }
642 if (cString < 1 || !pString) return E_INVALIDARG;
643 if ((dwFlags & SSA_GLYPHS) && !hdc) return E_PENDING;
644
645 if (!(analysis = heap_alloc_zero(sizeof(StringAnalysis)))) return E_OUTOFMEMORY;
646 if (!(analysis->pItem = heap_alloc_zero(num_items * sizeof(SCRIPT_ITEM) + 1))) goto error;
647
648 /* FIXME: handle clipping */
649 analysis->clip_len = cString;
650 analysis->hdc = hdc;
651
652 hr = ScriptItemize(pString, cString, num_items, psControl, psState, analysis->pItem,
653 &analysis->numItems);
654
655 while (hr == E_OUTOFMEMORY)
656 {
657 SCRIPT_ITEM *tmp;
658
659 num_items *= 2;
660 if (!(tmp = heap_realloc_zero(analysis->pItem, num_items * sizeof(SCRIPT_ITEM) + 1)))
661 goto error;
662
663 analysis->pItem = tmp;
664 hr = ScriptItemize(pString, cString, num_items, psControl, psState, analysis->pItem,
665 &analysis->numItems);
666 }
667 if (hr != S_OK) goto error;
668
669 if ((analysis->logattrs = heap_alloc(sizeof(SCRIPT_LOGATTR) * cString)))
670 ScriptBreak(pString, cString, (SCRIPT_STRING_ANALYSIS)analysis, analysis->logattrs);
671 else
672 goto error;
673
674 if (!(analysis->glyphs = heap_alloc_zero(sizeof(StringGlyphs) * analysis->numItems)))
675 goto error;
676
677 for (i = 0; i < analysis->numItems; i++)
678 {
679 SCRIPT_CACHE *sc = (SCRIPT_CACHE *)&analysis->sc;
680 int cChar = analysis->pItem[i+1].iCharPos - analysis->pItem[i].iCharPos;
681 int numGlyphs = 1.5 * cChar + 16;
682 WORD *glyphs = heap_alloc_zero(sizeof(WORD) * numGlyphs);
683 WORD *pwLogClust = heap_alloc_zero(sizeof(WORD) * cChar);
684 int *piAdvance = heap_alloc_zero(sizeof(int) * numGlyphs);
685 SCRIPT_VISATTR *psva = heap_alloc_zero(sizeof(SCRIPT_VISATTR) * cChar);
686 GOFFSET *pGoffset = heap_alloc_zero(sizeof(GOFFSET) * numGlyphs);
687 ABC *abc = heap_alloc_zero(sizeof(ABC));
688 int numGlyphsReturned;
689
690 /* FIXME: non unicode strings */
691 WCHAR* pStr = (WCHAR*)pString;
692 hr = ScriptShape(hdc, sc, &pStr[analysis->pItem[i].iCharPos],
693 cChar, numGlyphs, &analysis->pItem[i].a,
694 glyphs, pwLogClust, psva, &numGlyphsReturned);
695 hr = ScriptPlace(hdc, sc, glyphs, numGlyphsReturned, psva, &analysis->pItem[i].a,
696 piAdvance, pGoffset, abc);
697
698 analysis->glyphs[i].numGlyphs = numGlyphsReturned;
699 analysis->glyphs[i].glyphs = glyphs;
700 analysis->glyphs[i].pwLogClust = pwLogClust;
701 analysis->glyphs[i].piAdvance = piAdvance;
702 analysis->glyphs[i].psva = psva;
703 analysis->glyphs[i].pGoffset = pGoffset;
704 analysis->glyphs[i].abc = abc;
705 }
706
707 *pssa = analysis;
708 return S_OK;
709
710 error:
711 heap_free(analysis->glyphs);
712 heap_free(analysis->logattrs);
713 heap_free(analysis->pItem);
714 heap_free(analysis->sc);
715 heap_free(analysis);
716 return hr;
717 }
718
719 /***********************************************************************
720 * ScriptStringOut (USP10.@)
721 *
722 * This function takes the output of ScriptStringAnalyse and joins the segments
723 * of glyphs and passes the resulting string to ScriptTextOut. ScriptStringOut
724 * only processes glyphs.
725 *
726 * Parameters:
727 * ssa [I] buffer to hold the analysed string components
728 * iX [I] X axis displacement for output
729 * iY [I] Y axis displacement for output
730 * uOptions [I] flags controling output processing
731 * prc [I] rectangle coordinates
732 * iMinSel [I] starting pos for substringing output string
733 * iMaxSel [I] ending pos for substringing output string
734 * fDisabled [I] controls text highlighting
735 *
736 * RETURNS
737 * Success: S_OK
738 * Failure: is the value returned by ScriptTextOut
739 */
740 HRESULT WINAPI ScriptStringOut(SCRIPT_STRING_ANALYSIS ssa,
741 int iX,
742 int iY,
743 UINT uOptions,
744 const RECT *prc,
745 int iMinSel,
746 int iMaxSel,
747 BOOL fDisabled)
748 {
749 StringAnalysis *analysis;
750 WORD *glyphs;
751 int item, cnt, x;
752 HRESULT hr;
753
754 TRACE("(%p,%d,%d,0x%1x,%p,%d,%d,%d)\n",
755 ssa, iX, iY, uOptions, prc, iMinSel, iMaxSel, fDisabled);
756
757 if (!(analysis = ssa)) return E_INVALIDARG;
758
759 /*
760 * Get storage for the output buffer for the consolidated strings
761 */
762 cnt = 0;
763 for (item = 0; item < analysis->numItems; item++)
764 {
765 cnt += analysis->glyphs[item].numGlyphs;
766 }
767 if (!(glyphs = heap_alloc(sizeof(WCHAR) * cnt))) return E_OUTOFMEMORY;
768
769 /*
770 * ScriptStringOut only processes glyphs hence set ETO_GLYPH_INDEX
771 */
772 uOptions |= ETO_GLYPH_INDEX;
773 analysis->pItem[0].a.fNoGlyphIndex = FALSE; /* say that we have glyphs */
774
775 /*
776 * Copy the string items into the output buffer
777 */
778
779 TRACE("numItems %d\n", analysis->numItems);
780
781 cnt = 0;
782 for (item = 0; item < analysis->numItems; item++)
783 {
784 memcpy(&glyphs[cnt], analysis->glyphs[item].glyphs,
785 sizeof(WCHAR) * analysis->glyphs[item].numGlyphs);
786
787 TRACE("Item %d, Glyphs %d ", item, analysis->glyphs[item].numGlyphs);
788 for (x = cnt; x < analysis->glyphs[item].numGlyphs + cnt; x ++)
789 TRACE("%04x", glyphs[x]);
790 TRACE("\n");
791
792 cnt += analysis->glyphs[item].numGlyphs; /* point to the end of the copied text */
793 }
794
795 hr = ScriptTextOut(analysis->hdc, (SCRIPT_CACHE *)&analysis->sc, iX, iY,
796 uOptions, prc, &analysis->pItem->a, NULL, 0, glyphs, cnt,
797 analysis->glyphs->piAdvance, NULL, analysis->glyphs->pGoffset);
798 TRACE("ScriptTextOut hr=%08x\n", hr);
799
800 /*
801 * Free the output buffer and script cache
802 */
803 heap_free(glyphs);
804 return hr;
805 }
806
807 /***********************************************************************
808 * ScriptStringCPtoX (USP10.@)
809 *
810 */
811 HRESULT WINAPI ScriptStringCPtoX(SCRIPT_STRING_ANALYSIS ssa, int icp, BOOL fTrailing, int* pX)
812 {
813 int i, j;
814 int runningX = 0;
815 int runningCp = 0;
816 StringAnalysis* analysis = ssa;
817
818 TRACE("(%p), %d, %d, (%p)\n", ssa, icp, fTrailing, pX);
819
820 if (!ssa || !pX) return S_FALSE;
821
822 /* icp out of range */
823 if(icp < 0)
824 {
825 analysis->invalid = TRUE;
826 return E_INVALIDARG;
827 }
828
829 for(i=0; i<analysis->numItems; i++)
830 {
831 for(j=0; j<analysis->glyphs[i].numGlyphs; j++)
832 {
833 if(runningCp == icp && fTrailing == FALSE)
834 {
835 *pX = runningX;
836 return S_OK;
837 }
838 runningX += analysis->glyphs[i].piAdvance[j];
839 if(runningCp == icp && fTrailing == TRUE)
840 {
841 *pX = runningX;
842 return S_OK;
843 }
844 runningCp++;
845 }
846 }
847
848 /* icp out of range */
849 analysis->invalid = TRUE;
850 return E_INVALIDARG;
851 }
852
853 /***********************************************************************
854 * ScriptStringXtoCP (USP10.@)
855 *
856 */
857 HRESULT WINAPI ScriptStringXtoCP(SCRIPT_STRING_ANALYSIS ssa, int iX, int* piCh, int* piTrailing)
858 {
859 StringAnalysis* analysis = ssa;
860 int i;
861 int j;
862 int runningX = 0;
863 int runningCp = 0;
864 int width;
865
866 TRACE("(%p), %d, (%p), (%p)\n", ssa, iX, piCh, piTrailing);
867
868 if (!ssa || !piCh || !piTrailing) return S_FALSE;
869
870 /* out of range */
871 if(iX < 0)
872 {
873 *piCh = -1;
874 *piTrailing = TRUE;
875 return S_OK;
876 }
877
878 for(i=0; i<analysis->numItems; i++)
879 {
880 for(j=0; j<analysis->glyphs[i].numGlyphs; j++)
881 {
882 width = analysis->glyphs[i].piAdvance[j];
883 if(iX < (runningX + width))
884 {
885 *piCh = runningCp;
886 if((iX - runningX) > width/2)
887 *piTrailing = TRUE;
888 else
889 *piTrailing = FALSE;
890 return S_OK;
891 }
892 runningX += width;
893 runningCp++;
894 }
895 }
896
897 /* out of range */
898 *piCh = analysis->pItem[analysis->numItems].iCharPos;
899 *piTrailing = FALSE;
900
901 return S_OK;
902 }
903
904
905 /***********************************************************************
906 * ScriptStringFree (USP10.@)
907 *
908 * Free a string analysis.
909 *
910 * PARAMS
911 * pssa [I] string analysis.
912 *
913 * RETURNS
914 * Success: S_OK
915 * Failure: Non-zero HRESULT value.
916 */
917 HRESULT WINAPI ScriptStringFree(SCRIPT_STRING_ANALYSIS *pssa)
918 {
919 StringAnalysis* analysis;
920 BOOL invalid;
921 int i;
922
923 TRACE("(%p)\n", pssa);
924
925 if (!pssa || !(analysis = *pssa)) return E_INVALIDARG;
926 invalid = analysis->invalid;
927
928 for (i = 0; i < analysis->numItems; i++)
929 {
930 heap_free(analysis->glyphs[i].glyphs);
931 heap_free(analysis->glyphs[i].pwLogClust);
932 heap_free(analysis->glyphs[i].piAdvance);
933 heap_free(analysis->glyphs[i].psva);
934 heap_free(analysis->glyphs[i].pGoffset);
935 heap_free(analysis->glyphs[i].abc);
936 }
937
938 heap_free(analysis->glyphs);
939 heap_free(analysis->pItem);
940 heap_free(analysis->logattrs);
941 heap_free(analysis->sz);
942 heap_free(analysis->sc);
943 heap_free(analysis);
944
945 if (invalid) return E_INVALIDARG;
946 return S_OK;
947 }
948
949 /***********************************************************************
950 * ScriptCPtoX (USP10.@)
951 *
952 */
953 HRESULT WINAPI ScriptCPtoX(int iCP,
954 BOOL fTrailing,
955 int cChars,
956 int cGlyphs,
957 const WORD *pwLogClust,
958 const SCRIPT_VISATTR *psva,
959 const int *piAdvance,
960 const SCRIPT_ANALYSIS *psa,
961 int *piX)
962 {
963 int item;
964 int iPosX;
965 float fMaxPosX = 0;
966 TRACE("(%d,%d,%d,%d,%p,%p,%p,%p,%p)\n",
967 iCP, fTrailing, cChars, cGlyphs, pwLogClust, psva, piAdvance,
968 psa, piX);
969 for (item=0; item < cGlyphs; item++) /* total piAdvance */
970 fMaxPosX += piAdvance[item];
971 iPosX = (fMaxPosX/cGlyphs)*(iCP+fTrailing);
972 if (iPosX > fMaxPosX)
973 iPosX = fMaxPosX;
974 *piX = iPosX; /* Return something in range */
975
976 TRACE("*piX=%d\n", *piX);
977 return S_OK;
978 }
979
980 /***********************************************************************
981 * ScriptXtoCP (USP10.@)
982 *
983 */
984 HRESULT WINAPI ScriptXtoCP(int iX,
985 int cChars,
986 int cGlyphs,
987 const WORD *pwLogClust,
988 const SCRIPT_VISATTR *psva,
989 const int *piAdvance,
990 const SCRIPT_ANALYSIS *psa,
991 int *piCP,
992 int *piTrailing)
993 {
994 int item;
995 int iPosX;
996 float fMaxPosX = 1;
997 float fAvePosX;
998 TRACE("(%d,%d,%d,%p,%p,%p,%p,%p,%p)\n",
999 iX, cChars, cGlyphs, pwLogClust, psva, piAdvance,
1000 psa, piCP, piTrailing);
1001 if (iX < 0) /* iX is before start of run */
1002 {
1003 *piCP = -1;
1004 *piTrailing = TRUE;
1005 return S_OK;
1006 }
1007
1008 for (item=0; item < cGlyphs; item++) /* total piAdvance */
1009 fMaxPosX += piAdvance[item];
1010
1011 if (iX >= fMaxPosX) /* iX too large */
1012 {
1013 *piCP = cChars;
1014 *piTrailing = FALSE;
1015 return S_OK;
1016 }
1017
1018 fAvePosX = fMaxPosX / cGlyphs;
1019 iPosX = fAvePosX;
1020 for (item = 1; item < cGlyphs && iPosX < iX; item++)
1021 iPosX += fAvePosX;
1022 if (iPosX - iX > fAvePosX/2)
1023 *piTrailing = 0;
1024 else
1025 *piTrailing = 1; /* yep we are over halfway */
1026
1027 *piCP = item -1; /* Return character position */
1028 TRACE("*piCP=%d iPposX=%d\n", *piCP, iPosX);
1029 return S_OK;
1030 }
1031
1032 /***********************************************************************
1033 * ScriptBreak (USP10.@)
1034 *
1035 * Retrieve line break information.
1036 *
1037 * PARAMS
1038 * chars [I] Array of characters.
1039 * sa [I] String analysis.
1040 * la [I] Array of logical attribute structures.
1041 *
1042 * RETURNS
1043 * Success: S_OK
1044 * Failure: S_FALSE
1045 */
1046 HRESULT WINAPI ScriptBreak(const WCHAR *chars, int count, const SCRIPT_ANALYSIS *sa, SCRIPT_LOGATTR *la)
1047 {
1048 int i;
1049
1050 TRACE("(%s, %d, %p, %p)\n", debugstr_wn(chars, count), count, sa, la);
1051
1052 if (!la) return S_FALSE;
1053
1054 for (i = 0; i < count; i++)
1055 {
1056 memset(&la[i], 0, sizeof(SCRIPT_LOGATTR));
1057
1058 /* FIXME: set the other flags */
1059 la[i].fWhiteSpace = (chars[i] == ' ');
1060 la[i].fCharStop = 1;
1061
1062 if (i > 0 && la[i - 1].fWhiteSpace)
1063 {
1064 la[i].fSoftBreak = 1;
1065 la[i].fWordStop = 1;
1066 }
1067 }
1068 return S_OK;
1069 }
1070
1071 static const struct
1072 {
1073 WCHAR start;
1074 WCHAR end;
1075 DWORD flag;
1076 }
1077 complex_ranges[] =
1078 {
1079 { 0, 0x0b, SIC_COMPLEX },
1080 { 0x0c, 0x0c, SIC_NEUTRAL },
1081 { 0x0d, 0x1f, SIC_COMPLEX },
1082 { 0x20, 0x2f, SIC_NEUTRAL },
1083 { 0x30, 0x39, SIC_ASCIIDIGIT },
1084 { 0x3a, 0x40, SIC_NEUTRAL },
1085 { 0x5b, 0x60, SIC_NEUTRAL },
1086 { 0x7b, 0x7e, SIC_NEUTRAL },
1087 { 0x7f, 0x9f, SIC_COMPLEX },
1088 { 0xa0, 0xa5, SIC_NEUTRAL },
1089 { 0xa7, 0xa8, SIC_NEUTRAL },
1090 { 0xab, 0xab, SIC_NEUTRAL },
1091 { 0xad, 0xad, SIC_NEUTRAL },
1092 { 0xaf, 0xaf, SIC_NEUTRAL },
1093 { 0xb0, 0xb1, SIC_NEUTRAL },
1094 { 0xb4, 0xb4, SIC_NEUTRAL },
1095 { 0xb6, 0xb8, SIC_NEUTRAL },
1096 { 0xbb, 0xbf, SIC_NEUTRAL },
1097 { 0xd7, 0xd7, SIC_NEUTRAL },
1098 { 0xf7, 0xf7, SIC_NEUTRAL },
1099 { 0x2b9, 0x2ba, SIC_NEUTRAL },
1100 { 0x2c2, 0x2cf, SIC_NEUTRAL },
1101 { 0x2d2, 0x2df, SIC_NEUTRAL },
1102 { 0x2e5, 0x2e9, SIC_COMPLEX },
1103 { 0x2ea, 0x2ed, SIC_NEUTRAL },
1104 { 0x300, 0x362, SIC_COMPLEX },
1105 { 0x530, 0x60b, SIC_COMPLEX },
1106 { 0x60c, 0x60d, SIC_NEUTRAL },
1107 { 0x60e, 0x669, SIC_COMPLEX },
1108 { 0x66a, 0x66a, SIC_NEUTRAL },
1109 { 0x66b, 0x6e8, SIC_COMPLEX },
1110 { 0x6e9, 0x6e9, SIC_NEUTRAL },
1111 { 0x6ea, 0x7bf, SIC_COMPLEX },
1112 { 0x900, 0x1360, SIC_COMPLEX },
1113 { 0x137d, 0x137f, SIC_COMPLEX },
1114 { 0x1680, 0x1680, SIC_NEUTRAL },
1115 { 0x1780, 0x18af, SIC_COMPLEX },
1116 { 0x2000, 0x200a, SIC_NEUTRAL },
1117 { 0x200b, 0x200f, SIC_COMPLEX },
1118 { 0x2010, 0x2016, SIC_NEUTRAL },
1119 { 0x2018, 0x2022, SIC_NEUTRAL },
1120 { 0x2024, 0x2028, SIC_NEUTRAL },
1121 { 0x2029, 0x202e, SIC_COMPLEX },
1122 { 0x202f, 0x2037, SIC_NEUTRAL },
1123 { 0x2039, 0x203c, SIC_NEUTRAL },
1124 { 0x2044, 0x2046, SIC_NEUTRAL },
1125 { 0x206a, 0x206f, SIC_COMPLEX },
1126 { 0x207a, 0x207e, SIC_NEUTRAL },
1127 { 0x208a, 0x20aa, SIC_NEUTRAL },
1128 { 0x20ac, 0x20cf, SIC_NEUTRAL },
1129 { 0x20d0, 0x20ff, SIC_COMPLEX },
1130 { 0x2103, 0x2103, SIC_NEUTRAL },
1131 { 0x2105, 0x2105, SIC_NEUTRAL },
1132 { 0x2109, 0x2109, SIC_NEUTRAL },
1133 { 0x2116, 0x2116, SIC_NEUTRAL },
1134 { 0x2121, 0x2122, SIC_NEUTRAL },
1135 { 0x212e, 0x212e, SIC_NEUTRAL },
1136 { 0x2153, 0x2154, SIC_NEUTRAL },
1137 { 0x215b, 0x215e, SIC_NEUTRAL },
1138 { 0x2190, 0x2199, SIC_NEUTRAL },
1139 { 0x21b8, 0x21b9, SIC_NEUTRAL },
1140 { 0x21d2, 0x21d2, SIC_NEUTRAL },
1141 { 0x21d4, 0x21d4, SIC_NEUTRAL },
1142 { 0x21e7, 0x21e7, SIC_NEUTRAL },
1143 { 0x2200, 0x2200, SIC_NEUTRAL },
1144 { 0x2202, 0x2203, SIC_NEUTRAL },
1145 { 0x2207, 0x2208, SIC_NEUTRAL },
1146 { 0x220b, 0x220b, SIC_NEUTRAL },
1147 { 0x220f, 0x220f, SIC_NEUTRAL },
1148 { 0x2211, 0x2213, SIC_NEUTRAL },
1149 { 0x2215, 0x2215, SIC_NEUTRAL },
1150 { 0x221a, 0x221a, SIC_NEUTRAL },
1151 { 0x221d, 0x2220, SIC_NEUTRAL },
1152 { 0x2223, 0x2223, SIC_NEUTRAL },
1153 { 0x2225, 0x2225, SIC_NEUTRAL },
1154 { 0x2227, 0x222c, SIC_NEUTRAL },
1155 { 0x222e, 0x222e, SIC_NEUTRAL },
1156 { 0x2234, 0x2237, SIC_NEUTRAL },
1157 { 0x223c, 0x223d, SIC_NEUTRAL },
1158 { 0x2248, 0x2248, SIC_NEUTRAL },
1159 { 0x224c, 0x224c, SIC_NEUTRAL },
1160 { 0x2252, 0x2252, SIC_NEUTRAL },
1161 { 0x2260, 0x2261, SIC_NEUTRAL },
1162 { 0x2264, 0x2267, SIC_NEUTRAL },
1163 { 0x226a, 0x226b, SIC_NEUTRAL },
1164 { 0x226e, 0x226f, SIC_NEUTRAL },
1165 { 0x2282, 0x2283, SIC_NEUTRAL },
1166 { 0x2286, 0x2287, SIC_NEUTRAL },
1167 { 0x2295, 0x2295, SIC_NEUTRAL },
1168 { 0x2299, 0x2299, SIC_NEUTRAL },
1169 { 0x22a5, 0x22a5, SIC_NEUTRAL },
1170 { 0x22bf, 0x22bf, SIC_NEUTRAL },
1171 { 0x2312, 0x2312, SIC_NEUTRAL },
1172 { 0x24ea, 0x24ea, SIC_COMPLEX },
1173 { 0x2500, 0x254b, SIC_NEUTRAL },
1174 { 0x2550, 0x256d, SIC_NEUTRAL },
1175 { 0x256e, 0x2574, SIC_NEUTRAL },
1176 { 0x2581, 0x258f, SIC_NEUTRAL },
1177 { 0x2592, 0x2595, SIC_NEUTRAL },
1178 { 0x25a0, 0x25a1, SIC_NEUTRAL },
1179 { 0x25a3, 0x25a9, SIC_NEUTRAL },
1180 { 0x25b2, 0x25b3, SIC_NEUTRAL },
1181 { 0x25b6, 0x25b7, SIC_NEUTRAL },
1182 { 0x25bc, 0x25bd, SIC_NEUTRAL },
1183 { 0x25c0, 0x25c1, SIC_NEUTRAL },
1184 { 0x25c6, 0x25c8, SIC_NEUTRAL },
1185 { 0x25cb, 0x25cb, SIC_NEUTRAL },
1186 { 0x25ce, 0x25d1, SIC_NEUTRAL },
1187 { 0x25e2, 0x25e5, SIC_NEUTRAL },
1188 { 0x25ef, 0x25ef, SIC_NEUTRAL },
1189 { 0x2605, 0x2606, SIC_NEUTRAL },
1190 { 0x2609, 0x2609, SIC_NEUTRAL },
1191 { 0x260e, 0x260f, SIC_NEUTRAL },
1192 { 0x261c, 0x261c, SIC_NEUTRAL },
1193 { 0x261e, 0x261e, SIC_NEUTRAL },
1194 { 0x2640, 0x2640, SIC_NEUTRAL },
1195 { 0x2642, 0x2642, SIC_NEUTRAL },
1196 { 0x2660, 0x2661, SIC_NEUTRAL },
1197 { 0x2663, 0x2665, SIC_NEUTRAL },
1198 { 0x2667, 0x266a, SIC_NEUTRAL },
1199 { 0x266c, 0x266d, SIC_NEUTRAL },
1200 { 0x266f, 0x266f, SIC_NEUTRAL },
1201 { 0x273d, 0x273d, SIC_NEUTRAL },
1202 { 0x2e80, 0x312f, SIC_COMPLEX },
1203 { 0x3190, 0x31bf, SIC_COMPLEX },
1204 { 0x31f0, 0x31ff, SIC_COMPLEX },
1205 { 0x3220, 0x325f, SIC_COMPLEX },
1206 { 0x3280, 0xa4ff, SIC_COMPLEX },
1207 { 0xd800, 0xdfff, SIC_COMPLEX },
1208 { 0xe000, 0xf8ff, SIC_NEUTRAL },
1209 { 0xf900, 0xfaff, SIC_COMPLEX },
1210 { 0xfb13, 0xfb28, SIC_COMPLEX },
1211 { 0xfb29, 0xfb29, SIC_NEUTRAL },
1212 { 0xfb2a, 0xfb4f, SIC_COMPLEX },
1213 { 0xfd3e, 0xfd3f, SIC_NEUTRAL },
1214 { 0xfdd0, 0xfdef, SIC_COMPLEX },
1215 { 0xfe20, 0xfe6f, SIC_COMPLEX },
1216 { 0xfeff, 0xfeff, SIC_COMPLEX },
1217 { 0xff01, 0xff5e, SIC_COMPLEX },
1218 { 0xff61, 0xff9f, SIC_COMPLEX },
1219 { 0xffe0, 0xffe6, SIC_COMPLEX },
1220 { 0xffe8, 0xffee, SIC_COMPLEX },
1221 { 0xfff9, 0xfffb, SIC_COMPLEX },
1222 { 0xfffe, 0xfffe, SIC_COMPLEX }
1223 };
1224
1225 /***********************************************************************
1226 * ScriptIsComplex (USP10.@)
1227 *
1228 * Determine if a string is complex.
1229 *
1230 * PARAMS
1231 * chars [I] Array of characters to test.
1232 * len [I] Length in characters.
1233 * flag [I] Flag.
1234 *
1235 * RETURNS
1236 * Success: S_OK
1237 * Failure: S_FALSE
1238 *
1239 * NOTES
1240 * Behaviour matches that of WinXP.
1241 */
1242 HRESULT WINAPI ScriptIsComplex(const WCHAR *chars, int len, DWORD flag)
1243 {
1244 int i;
1245 unsigned int j;
1246
1247 TRACE("(%s,%d,0x%x)\n", debugstr_wn(chars, len), len, flag);
1248
1249 for (i = 0; i < len; i++)
1250 {
1251 for (j = 0; j < sizeof(complex_ranges)/sizeof(complex_ranges[0]); j++)
1252 {
1253 if (chars[i] >= complex_ranges[j].start &&
1254 chars[i] <= complex_ranges[j].end &&
1255 (flag & complex_ranges[j].flag)) return S_OK;
1256 }
1257 }
1258 return S_FALSE;
1259 }
1260
1261 /***********************************************************************
1262 * ScriptShape (USP10.@)
1263 *
1264 * Produce glyphs and visual attributes for a run.
1265 *
1266 * PARAMS
1267 * hdc [I] Device context.
1268 * psc [I/O] Opaque pointer to a script cache.
1269 * pwcChars [I] Array of characters specifying the run.
1270 * cChars [I] Number of characters in pwcChars.
1271 * cMaxGlyphs [I] Length of pwOutGlyphs.
1272 * psa [I/O] Script analysis.
1273 * pwOutGlyphs [O] Array of glyphs.
1274 * pwLogClust [O] Array of logical cluster info.
1275 * psva [O] Array of visual attributes.
1276 * pcGlyphs [O] Number of glyphs returned.
1277 *
1278 * RETURNS
1279 * Success: S_OK
1280 * Failure: Non-zero HRESULT value.
1281 */
1282 HRESULT WINAPI ScriptShape(HDC hdc, SCRIPT_CACHE *psc, const WCHAR *pwcChars,
1283 int cChars, int cMaxGlyphs,
1284 SCRIPT_ANALYSIS *psa, WORD *pwOutGlyphs, WORD *pwLogClust,
1285 SCRIPT_VISATTR *psva, int *pcGlyphs)
1286 {
1287 HRESULT hr;
1288 unsigned int i;
1289
1290 TRACE("(%p, %p, %s, %d, %d, %p, %p, %p, %p, %p)\n", hdc, psc, debugstr_wn(pwcChars, cChars),
1291 cChars, cMaxGlyphs, psa, pwOutGlyphs, pwLogClust, psva, pcGlyphs);
1292
1293 if (psa) TRACE("psa values: %d, %d, %d, %d, %d, %d, %d\n", psa->eScript, psa->fRTL, psa->fLayoutRTL,
1294 psa->fLinkBefore, psa->fLinkAfter, psa->fLogicalOrder, psa->fNoGlyphIndex);
1295
1296 if (!psva || !pcGlyphs) return E_INVALIDARG;
1297 if (cChars > cMaxGlyphs) return E_OUTOFMEMORY;
1298
1299 *pcGlyphs = cChars;
1300 if ((hr = init_script_cache(hdc, psc)) != S_OK) return hr;
1301
1302 if ((get_cache_pitch_family(psc) & TMPF_TRUETYPE) && !psa->fNoGlyphIndex)
1303 {
1304 for (i = 0; i < cChars; i++)
1305 {
1306 if (!(pwOutGlyphs[i] = get_cache_glyph(psc, pwcChars[i])))
1307 {
1308 WORD glyph;
1309 if (!hdc) return E_PENDING;
1310 if (GetGlyphIndicesW(hdc, &pwcChars[i], 1, &glyph, GGI_MARK_NONEXISTING_GLYPHS) == GDI_ERROR) return S_FALSE;
1311 pwOutGlyphs[i] = set_cache_glyph(psc, pwcChars[i], glyph);
1312 }
1313 }
1314 }
1315 else
1316 {
1317 TRACE("no glyph translation\n");
1318 for (i = 0; i < cChars; i++) pwOutGlyphs[i] = pwcChars[i];
1319 }
1320
1321 if (psva)
1322 {
1323 /* set up a valid SCRIPT_VISATTR and LogClust for each char in this run */
1324 for (i = 0; i < cChars; i++)
1325 {
1326 /* FIXME: set to better values */
1327 psva[i].uJustification = (pwcChars[i] == ' ') ? SCRIPT_JUSTIFY_BLANK : SCRIPT_JUSTIFY_CHARACTER;
1328 psva[i].fClusterStart = 1;
1329 psva[i].fDiacritic = 0;
1330 psva[i].fZeroWidth = 0;
1331 psva[i].fReserved = 0;
1332 psva[i].fShapeReserved = 0;
1333
1334 if (pwLogClust) pwLogClust[i] = i;
1335 }
1336 }
1337 return S_OK;
1338 }
1339
1340 /***********************************************************************
1341 * ScriptPlace (USP10.@)
1342 *
1343 * Produce advance widths for a run.
1344 *
1345 * PARAMS
1346 * hdc [I] Device context.
1347 * psc [I/O] Opaque pointer to a script cache.
1348 * pwGlyphs [I] Array of glyphs.
1349 * cGlyphs [I] Number of glyphs in pwGlyphs.
1350 * psva [I] Array of visual attributes.
1351 * psa [I/O] String analysis.
1352 * piAdvance [O] Array of advance widths.
1353 * pGoffset [O] Glyph offsets.
1354 * pABC [O] Combined ABC width.
1355 *
1356 * RETURNS
1357 * Success: S_OK
1358 * Failure: Non-zero HRESULT value.
1359 */
1360 HRESULT WINAPI ScriptPlace(HDC hdc, SCRIPT_CACHE *psc, const WORD *pwGlyphs,
1361 int cGlyphs, const SCRIPT_VISATTR *psva,
1362 SCRIPT_ANALYSIS *psa, int *piAdvance, GOFFSET *pGoffset, ABC *pABC )
1363 {
1364 HRESULT hr;
1365 int i;
1366
1367 TRACE("(%p, %p, %p, %d, %p, %p, %p, %p, %p)\n", hdc, psc, pwGlyphs, cGlyphs, psva, psa,
1368 piAdvance, pGoffset, pABC);
1369
1370 if (!psva) return E_INVALIDARG;
1371 if ((hr = init_script_cache(hdc, psc)) != S_OK) return hr;
1372
1373 if (pABC) memset(pABC, 0, sizeof(ABC));
1374 for (i = 0; i < cGlyphs; i++)
1375 {
1376 ABC abc;
1377 if (!get_cache_glyph_widths(psc, pwGlyphs[i], &abc))
1378 {
1379 if (!hdc) return E_PENDING;
1380 if ((get_cache_pitch_family(psc) & TMPF_TRUETYPE) && !psa->fNoGlyphIndex)
1381 {
1382 if (!GetCharABCWidthsI(hdc, 0, 1, (WORD *)&pwGlyphs[i], &abc)) return S_FALSE;
1383 }
1384 else
1385 {
1386 INT width;
1387 if (!GetCharWidth32W(hdc, pwGlyphs[i], pwGlyphs[i], &width)) return S_FALSE;
1388 abc.abcB = width;
1389 abc.abcA = abc.abcC = 0;
1390 }
1391 set_cache_glyph_widths(psc, pwGlyphs[i], &abc);
1392 }
1393 if (pABC)
1394 {
1395 pABC->abcA += abc.abcA;
1396 pABC->abcB += abc.abcB;
1397 pABC->abcC += abc.abcC;
1398 }
1399 /* FIXME: set to more reasonable values */
1400 if (pGoffset) pGoffset[i].du = pGoffset[i].dv = 0;
1401 if (piAdvance) piAdvance[i] = abc.abcA + abc.abcB + abc.abcC;
1402 }
1403
1404 if (pABC) TRACE("Total for run: abcA=%d, abcB=%d, abcC=%d\n", pABC->abcA, pABC->abcB, pABC->abcC);
1405 return S_OK;
1406 }
1407
1408 /***********************************************************************
1409 * ScriptGetCMap (USP10.@)
1410 *
1411 * Retrieve glyph indices.
1412 *
1413 * PARAMS
1414 * hdc [I] Device context.
1415 * psc [I/O] Opaque pointer to a script cache.
1416 * pwcInChars [I] Array of Unicode characters.
1417 * cChars [I] Number of characters in pwcInChars.
1418 * dwFlags [I] Flags.
1419 * pwOutGlyphs [O] Buffer to receive the array of glyph indices.
1420 *
1421 * RETURNS
1422 * Success: S_OK
1423 * Failure: Non-zero HRESULT value.
1424 */
1425 HRESULT WINAPI ScriptGetCMap(HDC hdc, SCRIPT_CACHE *psc, const WCHAR *pwcInChars,
1426 int cChars, DWORD dwFlags, WORD *pwOutGlyphs)
1427 {
1428 HRESULT hr;
1429 int i;
1430
1431 TRACE("(%p,%p,%s,%d,0x%x,%p)\n", hdc, psc, debugstr_wn(pwcInChars, cChars),
1432 cChars, dwFlags, pwOutGlyphs);
1433
1434 if ((hr = init_script_cache(hdc, psc)) != S_OK) return hr;
1435
1436 if ((get_cache_pitch_family(psc) & TMPF_TRUETYPE))
1437 {
1438 for (i = 0; i < cChars; i++)
1439 {
1440 if (!(pwOutGlyphs[i] = get_cache_glyph(psc, pwcInChars[i])))
1441 {
1442 WORD glyph;
1443 if (!hdc) return E_PENDING;
1444 if (GetGlyphIndicesW(hdc, &pwcInChars[i], 1, &glyph, GGI_MARK_NONEXISTING_GLYPHS) == GDI_ERROR) return S_FALSE;
1445 pwOutGlyphs[i] = set_cache_glyph(psc, pwcInChars[i], glyph);
1446 }
1447 }
1448 }
1449 else
1450 {
1451 TRACE("no glyph translation\n");
1452 for (i = 0; i < cChars; i++) pwOutGlyphs[i] = pwcInChars[i];
1453 }
1454 return S_OK;
1455 }
1456
1457 /***********************************************************************
1458 * ScriptTextOut (USP10.@)
1459 *
1460 */
1461 HRESULT WINAPI ScriptTextOut(const HDC hdc, SCRIPT_CACHE *psc, int x, int y, UINT fuOptions,
1462 const RECT *lprc, const SCRIPT_ANALYSIS *psa, const WCHAR *pwcReserved,
1463 int iReserved, const WORD *pwGlyphs, int cGlyphs, const int *piAdvance,
1464 const int *piJustify, const GOFFSET *pGoffset)
1465 {
1466 HRESULT hr = S_OK;
1467
1468 TRACE("(%p, %p, %d, %d, %04x, %p, %p, %p, %d, %p, %d, %p, %p, %p)\n",
1469 hdc, psc, x, y, fuOptions, lprc, psa, pwcReserved, iReserved, pwGlyphs, cGlyphs,
1470 piAdvance, piJustify, pGoffset);
1471
1472 if (!hdc || !psc) return E_INVALIDARG;
1473 if (!piAdvance || !psa || !pwGlyphs) return E_INVALIDARG;
1474
1475 fuOptions &= ETO_CLIPPED + ETO_OPAQUE;
1476 if (!psa->fNoGlyphIndex) /* Have Glyphs? */
1477 fuOptions |= ETO_GLYPH_INDEX; /* Say don't do translation to glyph */
1478
1479 if (!ExtTextOutW(hdc, x, y, fuOptions, lprc, pwGlyphs, cGlyphs, NULL))
1480 hr = S_FALSE;
1481
1482 return hr;
1483 }
1484
1485 /***********************************************************************
1486 * ScriptCacheGetHeight (USP10.@)
1487 *
1488 * Retrieve the height of the font in the cache.
1489 *
1490 * PARAMS
1491 * hdc [I] Device context.
1492 * psc [I/O] Opaque pointer to a script cache.
1493 * height [O] Receives font height.
1494 *
1495 * RETURNS
1496 * Success: S_OK
1497 * Failure: Non-zero HRESULT value.
1498 */
1499 HRESULT WINAPI ScriptCacheGetHeight(HDC hdc, SCRIPT_CACHE *psc, LONG *height)
1500 {
1501 HRESULT hr;
1502
1503 TRACE("(%p, %p, %p)\n", hdc, psc, height);
1504
1505 if (!height) return E_INVALIDARG;
1506 if ((hr = init_script_cache(hdc, psc)) != S_OK) return hr;
1507
1508 *height = get_cache_height(psc);
1509 return S_OK;
1510 }
1511
1512 /***********************************************************************
1513 * ScriptGetGlyphABCWidth (USP10.@)
1514 *
1515 * Retrieve the width of a glyph.
1516 *
1517 * PARAMS
1518 * hdc [I] Device context.
1519 * psc [I/O] Opaque pointer to a script cache.
1520 * glyph [I] Glyph to retrieve the width for.
1521 * abc [O] ABC widths of the glyph.
1522 *
1523 * RETURNS
1524 * Success: S_OK
1525 * Failure: Non-zero HRESULT value.
1526 */
1527 HRESULT WINAPI ScriptGetGlyphABCWidth(HDC hdc, SCRIPT_CACHE *psc, WORD glyph, ABC *abc)
1528 {
1529 HRESULT hr;
1530
1531 TRACE("(%p, %p, 0x%04x, %p)\n", hdc, psc, glyph, abc);
1532
1533 if ((hr = init_script_cache(hdc, psc)) != S_OK) return hr;
1534
1535 if (!get_cache_glyph_widths(psc, glyph, abc))
1536 {
1537 if (!hdc) return E_PENDING;
1538 if ((get_cache_pitch_family(psc) & TMPF_TRUETYPE))
1539 {
1540 if (!GetCharABCWidthsI(hdc, 0, 1, &glyph, abc)) return S_FALSE;
1541 }
1542 else
1543 {
1544 INT width;
1545 if (!GetCharWidth32W(hdc, glyph, glyph, &width)) return S_FALSE;
1546 abc->abcB = width;
1547 abc->abcA = abc->abcC = 0;
1548 }
1549 set_cache_glyph_widths(psc, glyph, abc);
1550 }
1551 return S_OK;
1552 }
1553
1554 /***********************************************************************
1555 * ScriptLayout (USP10.@)
1556 *
1557 * Map embedding levels to visual and/or logical order.
1558 *
1559 * PARAMS
1560 * runs [I] Size of level array.
1561 * level [I] Array of embedding levels.
1562 * vistolog [O] Map of embedding levels from visual to logical order.
1563 * logtovis [O] Map of embedding levels from logical to visual order.
1564 *
1565 * RETURNS
1566 * Success: S_OK
1567 * Failure: Non-zero HRESULT value.
1568 *
1569 * BUGS
1570 * This stub works correctly for any sequence of a single
1571 * embedding level but not for sequences of different
1572 * embedding levels, i.e. mixtures of RTL and LTR scripts.
1573 */
1574 HRESULT WINAPI ScriptLayout(int runs, const BYTE *level, int *vistolog, int *logtovis)
1575 {
1576 int i, j = runs - 1, k = 0;
1577
1578 TRACE("(%d, %p, %p, %p)\n", runs, level, vistolog, logtovis);
1579
1580 if (!level || (!vistolog && !logtovis))
1581 return E_INVALIDARG;
1582
1583 for (i = 0; i < runs; i++)
1584 {
1585 if (level[i] % 2)
1586 {
1587 if (vistolog) *vistolog++ = j;
1588 if (logtovis) *logtovis++ = j;
1589 j--;
1590 }
1591 else
1592 {
1593 if (vistolog) *vistolog++ = k;
1594 if (logtovis) *logtovis++ = k;
1595 k++;
1596 }
1597 }
1598 return S_OK;
1599 }
1600
1601 /***********************************************************************
1602 * ScriptStringGetLogicalWidths (USP10.@)
1603 *
1604 * Returns logical widths from a string analysis.
1605 *
1606 * PARAMS
1607 * ssa [I] string analysis.
1608 * piDx [O] logical widths returned.
1609 *
1610 * RETURNS
1611 * Success: S_OK
1612 * Failure: a non-zero HRESULT.
1613 */
1614 HRESULT WINAPI ScriptStringGetLogicalWidths(SCRIPT_STRING_ANALYSIS ssa, int *piDx)
1615 {
1616 int i, j, next = 0;
1617 StringAnalysis *analysis = ssa;
1618
1619 TRACE("%p, %p\n", ssa, piDx);
1620
1621 if (!analysis) return S_FALSE;
1622
1623 for (i = 0; i < analysis->numItems; i++)
1624 {
1625 for (j = 0; j < analysis->glyphs[i].numGlyphs; j++)
1626 {
1627 piDx[next] = analysis->glyphs[i].piAdvance[j];
1628 next++;
1629 }
1630 }
1631 return S_OK;
1632 }
1633
1634 /***********************************************************************
1635 * ScriptStringValidate (USP10.@)
1636 *
1637 * Validate a string analysis.
1638 *
1639 * PARAMS
1640 * ssa [I] string analysis.
1641 *
1642 * RETURNS
1643 * Success: S_OK
1644 * Failure: S_FALSE if invalid sequences are found
1645 * or a non-zero HRESULT if it fails.
1646 */
1647 HRESULT WINAPI ScriptStringValidate(SCRIPT_STRING_ANALYSIS ssa)
1648 {
1649 StringAnalysis *analysis = ssa;
1650
1651 TRACE("(%p)\n", ssa);
1652
1653 if (!analysis) return E_INVALIDARG;
1654 return (analysis->invalid) ? S_FALSE : S_OK;
1655 }
1656
1657 /***********************************************************************
1658 * ScriptString_pSize (USP10.@)
1659 *
1660 * Retrieve width and height of an analysed string.
1661 *
1662 * PARAMS
1663 * ssa [I] string analysis.
1664 *
1665 * RETURNS
1666 * Success: Pointer to a SIZE structure.
1667 * Failure: NULL
1668 */
1669 const SIZE * WINAPI ScriptString_pSize(SCRIPT_STRING_ANALYSIS ssa)
1670 {
1671 int i, j;
1672 StringAnalysis *analysis = ssa;
1673
1674 TRACE("(%p)\n", ssa);
1675
1676 if (!analysis) return NULL;
1677
1678 if (!analysis->sz)
1679 {
1680 if (!(analysis->sz = heap_alloc(sizeof(SIZE)))) return NULL;
1681 analysis->sz->cy = analysis->sc->tm.tmHeight;
1682
1683 analysis->sz->cx = 0;
1684 for (i = 0; i < analysis->numItems; i++)
1685 for (j = 0; j < analysis->glyphs[i].numGlyphs; j++)
1686 analysis->sz->cx += analysis->glyphs[i].piAdvance[j];
1687 }
1688 return analysis->sz;
1689 }
1690
1691 /***********************************************************************
1692 * ScriptString_pLogAttr (USP10.@)
1693 *
1694 * Retrieve logical attributes of an analysed string.
1695 *
1696 * PARAMS
1697 * ssa [I] string analysis.
1698 *
1699 * RETURNS
1700 * Success: Pointer to an array of SCRIPT_LOGATTR structures.
1701 * Failure: NULL
1702 */
1703 const SCRIPT_LOGATTR * WINAPI ScriptString_pLogAttr(SCRIPT_STRING_ANALYSIS ssa)
1704 {
1705 StringAnalysis *analysis = ssa;
1706
1707 TRACE("(%p)\n", ssa);
1708
1709 if (!analysis) return NULL;
1710 return analysis->logattrs;
1711 }
1712
1713 /***********************************************************************
1714 * ScriptString_pcOutChars (USP10.@)
1715 *
1716 * Retrieve the length of a string after clipping.
1717 *
1718 * PARAMS
1719 * ssa [I] String analysis.
1720 *
1721 * RETURNS
1722 * Success: Pointer to the length.
1723 * Failure: NULL
1724 */
1725 const int * WINAPI ScriptString_pcOutChars(SCRIPT_STRING_ANALYSIS ssa)
1726 {
1727 StringAnalysis *analysis = ssa;
1728
1729 TRACE("(%p)\n", ssa);
1730
1731 if (!analysis) return NULL;
1732 return &analysis->clip_len;
1733 }
1734
1735 /***********************************************************************
1736 * ScriptStringGetOrder (USP10.@)
1737 *
1738 * Retrieve a glyph order map.
1739 *
1740 * PARAMS
1741 * ssa [I] String analysis.
1742 * order [I/O] Array of glyph positions.
1743 *
1744 * RETURNS
1745 * Success: S_OK
1746 * Failure: a non-zero HRESULT.
1747 */
1748 HRESULT WINAPI ScriptStringGetOrder(SCRIPT_STRING_ANALYSIS ssa, UINT *order)
1749 {
1750 int i, j;
1751 unsigned int k;
1752 StringAnalysis *analysis = ssa;
1753
1754 TRACE("(%p)\n", ssa);
1755
1756 if (!analysis) return S_FALSE;
1757
1758 /* FIXME: handle RTL scripts */
1759 for (i = 0, k = 0; i < analysis->numItems; i++)
1760 for (j = 0; j < analysis->glyphs[i].numGlyphs; j++, k++)
1761 order[k] = k;
1762
1763 return S_OK;
1764 }
1765
1766 /***********************************************************************
1767 * ScriptGetLogicalWidths (USP10.@)
1768 *
1769 * Convert advance widths to logical widths.
1770 *
1771 * PARAMS
1772 * sa [I] Script analysis.
1773 * nbchars [I] Number of characters.
1774 * nbglyphs [I] Number of glyphs.
1775 * glyph_width [I] Array of glyph widths.
1776 * log_clust [I] Array of logical clusters.
1777 * sva [I] Visual attributes.
1778 * widths [O] Array of logical widths.
1779 *
1780 * RETURNS
1781 * Success: S_OK
1782 * Failure: a non-zero HRESULT.
1783 */
1784 HRESULT WINAPI ScriptGetLogicalWidths(const SCRIPT_ANALYSIS *sa, int nbchars, int nbglyphs,
1785 const int *glyph_width, const WORD *log_clust,
1786 const SCRIPT_VISATTR *sva, int *widths)
1787 {
1788 int i;
1789
1790 TRACE("(%p, %d, %d, %p, %p, %p, %p)\n",
1791 sa, nbchars, nbglyphs, glyph_width, log_clust, sva, widths);
1792
1793 /* FIXME */
1794 for (i = 0; i < nbchars; i++) widths[i] = glyph_width[i];
1795 return S_OK;
1796 }
Maarten's multimedia branch