dlls/usp10/usp10.c

   1 /*
   2  * Implementation of Uniscribe Script Processor (usp10.dll)
   3  *
   4  * Copyright 2005 Steven Edwards for CodeWeavers
   5  *
   6  * This library is free software; you can redistribute it and/or
   7  * modify it under the terms of the GNU Lesser General Public
   8  * License as published by the Free Software Foundation; either
   9  * version 2.1 of the License, or (at your option) any later version.
  10  *
  11  * This library is distributed in the hope that it will be useful,
  12  * but WITHOUT ANY WARRANTY; without even the implied warranty of
  13  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
  14  * Lesser General Public License for more details.
  15  *
  16  * You should have received a copy of the GNU Lesser General Public
  17  * License along with this library; if not, write to the Free Software
  18  * Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301, USA
  19  *
  20  * Notes:
  21  * Uniscribe allows for processing of complex scripts such as joining
  22  * and filtering characters and bi-directional text with custom line breaks.
  23  */
  24
  25 #include <stdarg.h>
  26
  27 #include "windef.h"
  28 #include "winbase.h"
  29 #include "wingdi.h"
  30 #include "winuser.h"
  31 #include "usp10.h"
  32
  33 #include "wine/debug.h"
  34
  35 /**
  36  * some documentation here:
  37  *   http://www.microsoft.com/typography/developers/uniscribe/uniscribe.htm
  38  */
  39
  40 WINE_DEFAULT_DEBUG_CHANNEL(uniscribe);
  41
  42 #define MAX_SCRIPTS  8
  43
  44 /*  Set up a default for ScriptGetProperties    */
  45 static const SCRIPT_PROPERTIES Default_Script_0 = {0, 0, 0, 0, 0, 0, 0, 0,
  46                                             0, 0, 0, 0, 0, 0, 0};
  47 static const SCRIPT_PROPERTIES Default_Script_1 = {0, 0, 0, 0, 0, 0, 0, 0,
  48                                             0, 0, 0, 0, 0, 0, 0};
  49 static const SCRIPT_PROPERTIES Default_Script_2 = {0, 0, 0, 0, 0, 0, 0, 0,
  50                                             0, 0, 0, 0, 0, 0, 0};
  51 static const SCRIPT_PROPERTIES Default_Script_3 = {9, 0, 0, 0, 0, 0, 0, 0,
  52                                             0, 0, 0, 0, 0, 0, 0};
  53 static const SCRIPT_PROPERTIES Default_Script_4 = {9, 1, 0, 0, 0, 0, 0, 0,
  54                                             0, 0, 0, 0, 0, 0, 0};
  55 static const SCRIPT_PROPERTIES Default_Script_5 = {9, 0, 0, 0, 0, 0, 0, 0,
  56                                             0, 0, 0, 0, 1, 0, 0};
  57 static const SCRIPT_PROPERTIES Default_Script_6 = {9, 1, 0, 0, 0, 0, 0, 0,
  58                                             0, 0, 0, 0, 1, 0, 0};
  59 static const SCRIPT_PROPERTIES Default_Script_7 = {8, 0, 0, 0, 0, 161, 0, 0,
  60                                             0, 0, 0, 0, 0, 0, 0};
  61 static const SCRIPT_PROPERTIES *Global_Script[MAX_SCRIPTS] =
  62                                       {&Default_Script_0,
  63                                        &Default_Script_1,
  64                                        &Default_Script_2,
  65                                        &Default_Script_3,
  66                                        &Default_Script_4,
  67                                        &Default_Script_5,
  68                                        &Default_Script_6,
  69                                        &Default_Script_7};
  70
  71 typedef struct scriptcache {
  72        HDC hdc;
  73 } Scriptcache;
  74
  75 /***********************************************************************
  76  *      DllMain
  77  *
  78  */
  79 BOOL WINAPI DllMain(HINSTANCE hInstDLL, DWORD fdwReason, LPVOID lpv)
  80 {
  81     switch(fdwReason) {
  82         case DLL_PROCESS_ATTACH:
  83             DisableThreadLibraryCalls(hInstDLL);
  84             break;
  85         case DLL_PROCESS_DETACH:
  86             break;
  87     }
  88     return TRUE;
  89 }
  90
  91 /***********************************************************************
  92  *      ScriptFreeCache (USP10.@)
  93  *
  94  */
  95 HRESULT WINAPI ScriptFreeCache(SCRIPT_CACHE *psc)
  96 {
  97     TRACE("%p\n", psc);
  98
  99     if (psc) {
 100        HeapFree ( GetProcessHeap(), 0, *psc);
 101        *psc = NULL;
 102     }
 103     return 0;
 104 }
 105
 106 /***********************************************************************
 107  *      ScriptGetProperties (USP10.@)
 108  *
 109  */
 110 HRESULT WINAPI ScriptGetProperties(const SCRIPT_PROPERTIES ***ppSp, int *piNumScripts)
 111 {
 112     TRACE("%p,%p\n", ppSp, piNumScripts);
 113
 114     if (!ppSp && !piNumScripts) return E_INVALIDARG;
 115
 116     /* Set up a sensible default and intialise pointers  */
 117     if (piNumScripts) *piNumScripts = MAX_SCRIPTS;
 118     if (ppSp) *ppSp = Global_Script;
 119     TRACE("ppSp:%p, *ppSp:%p, **ppSp:%p, %d\n",
 120           ppSp, ppSp ? *ppSp : NULL, (ppSp && *ppSp) ? **ppSp : NULL,
 121           piNumScripts ? *piNumScripts : -1);
 122     return 0;
 123 }
 124
 125 /***********************************************************************
 126  *      ScriptGetFontProperties (USP10.@)
 127  *
 128  */
 129 HRESULT WINAPI ScriptGetFontProperties(HDC hdc, SCRIPT_CACHE *psc, SCRIPT_FONTPROPERTIES *sfp)
 130 {
 131     HDC phdc;
 132     Scriptcache *pScriptcache;
 133     TEXTMETRICW ptm;
 134
 135     TRACE("%p,%p,%p\n", hdc, psc, sfp);
 136
 137     if (!psc || !sfp)
 138         return E_INVALIDARG;
 139     if  (!hdc && !*psc) {
 140         TRACE("No Script_Cache (psc) and no hdc. Ask for one. Hdc=%p, psc=%p\n", hdc, *psc);
 141         return E_PENDING;
 142     }   else
 143         if  (hdc && !*psc) {
 144             pScriptcache = HeapAlloc( GetProcessHeap(), HEAP_ZERO_MEMORY, sizeof(Scriptcache) );
 145             pScriptcache->hdc = (HDC) hdc;
 146             phdc = hdc;
 147             *psc = (Scriptcache *) pScriptcache;
 148         }   else
 149             if  (*psc) {
 150                 pScriptcache = (Scriptcache *) *psc;
 151                 phdc = pScriptcache->hdc;
 152             }
 153
 154     if (sfp->cBytes != sizeof(SCRIPT_FONTPROPERTIES))
 155         return E_INVALIDARG;
 156
 157     /* return something sensible? */
 158     sfp->wgBlank       = 0;
 159     if  (GetTextMetricsW(phdc, &ptm))
 160         sfp->wgDefault = ptm.tmDefaultChar;
 161     else
 162         sfp->wgDefault = 0;
 163     sfp->wgInvalid     = 0;
 164     sfp->wgKashida     = 0xffff;
 165     sfp->iKashidaWidth = 0;
 166     return 0;
 167 }
 168
 169 /***********************************************************************
 170  *      ScriptRecordDigitSubstitution (USP10.@)
 171  *
 172  */
 173 HRESULT WINAPI ScriptRecordDigitSubstitution(LCID Locale,SCRIPT_DIGITSUBSTITUTE *psds)
 174 {
 175     FIXME("%ld,%p\n",Locale,psds);
 176     return E_NOTIMPL;
 177 }
 178
 179 /***********************************************************************
 180  *      ScriptApplyDigitSubstitution (USP10.@)
 181  *
 182  */
 183 HRESULT WINAPI ScriptApplyDigitSubstitution(const SCRIPT_DIGITSUBSTITUTE* psds,
 184                                             SCRIPT_CONTROL* psc, SCRIPT_STATE* pss)
 185 {
 186     FIXME("%p,%p,%p\n",psds,psc,pss);
 187     return E_NOTIMPL;
 188 }
 189
 190 /***********************************************************************
 191  *      ScriptItemize (USP10.@)
 192  *
 193  */
 194 HRESULT WINAPI ScriptItemize(const WCHAR *pwcInChars, int cInChars, int cMaxItems,
 195                              const SCRIPT_CONTROL *psControl, const SCRIPT_STATE *psState,
 196                              SCRIPT_ITEM *pItems, int *pcItems)
 197 {
 198     /* This implementation currently treats the entire string represented in
 199      * pwcInChars as a single entity.  Hence pcItems will be set to 1.          */
 200
 201     FIXME("%s,%d,%d,%p,%p,%p,%p: semi-stub\n", debugstr_wn(pwcInChars, cInChars), cInChars, cMaxItems,
 202           psControl, psState, pItems, pcItems);
 203
 204     if (!pwcInChars || !cInChars || !pItems || cMaxItems < 2)
 205         return E_INVALIDARG;
 206
 207     /*  Set a sensible default                              */
 208     /*  Set SCRIPT_ITEM                                     */
 209     pItems[0].iCharPos = 0;
 210     /*  Set the SCRIPT_ANALYSIS                             */
 211     pItems[0].a.eScript = SCRIPT_UNDEFINED;
 212     pItems[0].a.fRTL = 0;
 213     pItems[0].a.fLayoutRTL = 0;
 214     pItems[0].a.fLinkBefore = 0;
 215     pItems[0].a.fLinkAfter = 0;
 216     pItems[0].a.fLogicalOrder = 0;
 217     pItems[0].a.fNoGlyphIndex = 0;
 218     /*  set the SCRIPT_STATE                                */
 219     pItems[0].a.s.uBidiLevel = 0;
 220     pItems[0].a.s.fOverrideDirection = 0;
 221     pItems[0].a.s.fInhibitSymSwap = FALSE;
 222     pItems[0].a.s.fCharShape = 0;
 223     pItems[0].a.s.fDigitSubstitute = 0;
 224     pItems[0].a.s.fInhibitLigate = 0;
 225     pItems[0].a.s.fDisplayZWG = 0;
 226     pItems[0].a.s.fArabicNumContext = 0;
 227     pItems[0].a.s.fGcpClusters = 0;
 228     pItems[0].a.s.fReserved = 0;
 229     pItems[0].a.s.fEngineReserved = 0;
 230
 231     /* While not strickly necessary according to the spec, make sure the n+1
 232      * item is set up to prevent random behaviour if the caller eroneously
 233      * checks the n+1 structure                                              */
 234     pItems[1].a.eScript = 0;
 235     pItems[1].a.fRTL = 0;
 236     pItems[1].a.fLayoutRTL = 0;
 237     pItems[1].a.fLinkBefore = 0;
 238     pItems[1].a.fLinkAfter = 0;
 239     pItems[1].a.fLogicalOrder = 0;
 240     pItems[1].a.fNoGlyphIndex = 0;
 241     /*  set the SCRIPT_STATE                                */
 242     pItems[1].a.s.uBidiLevel = 0;
 243     pItems[1].a.s.fOverrideDirection = 0;
 244     pItems[1].a.s.fInhibitSymSwap = FALSE;
 245     pItems[1].a.s.fCharShape = 0;
 246     pItems[1].a.s.fDigitSubstitute = 0;
 247     pItems[1].a.s.fInhibitLigate = 0;
 248     pItems[1].a.s.fDisplayZWG = 0;
 249     pItems[1].a.s.fArabicNumContext = 0;
 250     pItems[1].a.s.fGcpClusters = 0;
 251     pItems[1].a.s.fReserved = 0;
 252     pItems[1].a.s.fEngineReserved = 0;
 253
 254     /*  Set one SCRIPT_STATE item being returned  */
 255     *pcItems = 1;
 256
 257     /*  Set SCRIPT_ITEM                                     */
 258     pItems[1].iCharPos = cInChars - pItems[0].iCharPos ; /* the last + 1 item
 259                                              contains the ptr to the lastchar */
 260     TRACE("%s,%d,%d,%p,%p,%p,%p,%d\n", debugstr_wn(pwcInChars, cInChars), cInChars, cMaxItems,
 261           psControl, psState, pItems, pcItems, *pcItems);
 262     TRACE("Start Pos in string: %d, Stop Pos %d\n", pItems[0].iCharPos, pItems[1].iCharPos);
 263     return 0;
 264 }
 265
 266 /***********************************************************************
 267  *      ScriptStringAnalyse (USP10.@)
 268  *
 269  */
 270 HRESULT WINAPI ScriptStringAnalyse(HDC hdc,
 271                                    const void *pString,
 272                                    int cString,
 273                                    int cGlyphs,
 274                                    int iCharset,
 275                                    DWORD dwFlags,
 276                                    int iReqWidth,
 277                                    SCRIPT_CONTROL *psControl,
 278                                    SCRIPT_STATE *psState,
 279                                    const int *piDx,
 280                                    SCRIPT_TABDEF *pTabdef,
 281                                    const BYTE *pbInClass,
 282                                    SCRIPT_STRING_ANALYSIS *pssa)
 283 {
 284   FIXME("(%p,%p,%d,%d,%d,0x%lx,%d,%p,%p,%p,%p,%p,%p): stub\n",
 285         hdc, pString, cString, cGlyphs, iCharset, dwFlags,
 286         iReqWidth, psControl, psState, piDx, pTabdef, pbInClass, pssa);
 287   if (1 > cString || NULL == pString) {
 288     return E_INVALIDARG;
 289   }
 290   if ((dwFlags & SSA_GLYPHS) && NULL == hdc) {
 291     return E_PENDING;
 292   }
 293
 294   return E_NOTIMPL;
 295 }
 296
 297 /***********************************************************************
 298  *      ScriptStringOut (USP10.@)
 299  *
 300  */
 301 HRESULT WINAPI ScriptStringOut(SCRIPT_STRING_ANALYSIS ssa,
 302                                int iX,
 303                                int iY,
 304                                UINT uOptions,
 305                                const RECT *prc,
 306                                int iMinSel,
 307                                int iMaxSel,
 308                                BOOL fDisabled)
 309 {
 310     FIXME("(%p,%d,%d,0x%1x,%p,%d,%d,%d): stub\n",
 311          ssa, iX, iY, uOptions, prc, iMinSel, iMaxSel, fDisabled);
 312     if  (!ssa) {
 313         return E_INVALIDARG;
 314     }
 315
 316     return E_NOTIMPL;
 317 }
 318
 319 /***********************************************************************
 320  *      ScriptStringCPtoX (USP10.@)
 321  *
 322  */
 323 HRESULT WINAPI ScriptStringCPtoX(SCRIPT_STRING_ANALYSIS ssa, int icp, BOOL fTrailing, int* pX)
 324 {
 325     FIXME("(%p), %d, %d, (%p): stub\n", ssa, icp, fTrailing, pX);
 326     *pX = 0;                             /* Set a reasonable value */
 327     return S_OK;
 328 }
 329
 330 /***********************************************************************
 331  *      ScriptStringXtoCP (USP10.@)
 332  *
 333  */
 334 HRESULT WINAPI ScriptStringXtoCP(SCRIPT_STRING_ANALYSIS ssa, int iX, int* piCh, int* piTrailing)
 335 {
 336     FIXME("(%p), %d, (%p), (%p): stub\n", ssa, iX, piCh, piTrailing);
 337     *piCh = 0;                          /* Set a reasonable value */
 338     *piTrailing = 0;
 339     return S_OK;
 340 }
 341
 342 /***********************************************************************
 343  *      ScriptStringFree (USP10.@)
 344  *
 345  */
 346 HRESULT WINAPI ScriptStringFree(SCRIPT_STRING_ANALYSIS *pssa) {
 347     FIXME("(%p): stub\n",pssa);
 348     return S_OK;
 349 }
 350
 351 /***********************************************************************
 352  *      ScriptCPtoX (USP10.@)
 353  *
 354  */
 355 HRESULT WINAPI ScriptCPtoX(int iCP,
 356                            BOOL fTrailing,
 357                            int cChars,
 358                            int cGlyphs,
 359                            const WORD *pwLogClust,
 360                            const SCRIPT_VISATTR *psva,
 361                            const int *piAdvance,
 362                            const SCRIPT_ANALYSIS *psa,
 363                            int *piX)
 364 {
 365     FIXME("(%d,%d,%d,%d,%p,%p,%p,%p,%p): stub\n",
 366           iCP, fTrailing, cChars, cGlyphs, pwLogClust, psva, piAdvance,
 367           psa, piX);
 368
 369     *piX = 1;                    /* Return something in range */
 370     return S_OK;
 371 }
 372
 373 /***********************************************************************
 374  *      ScriptXtoCP (USP10.@)
 375  *
 376  */
 377 HRESULT WINAPI ScriptXtoCP(int iX,
 378                            int cChars,
 379                            int cGlyphs,
 380                            const WORD *pwLogClust,
 381                            const SCRIPT_VISATTR *psva,
 382                            const int *piAdvance,
 383                            const SCRIPT_ANALYSIS *psa,
 384                            int *piCP,
 385                            int *piTrailing)
 386 {
 387     FIXME("(%d,%d,%d,%p,%p,%p,%p,%p,%p): stub\n",
 388           iX, cChars, cGlyphs, pwLogClust, psva, piAdvance,
 389           psa, piCP, piTrailing);
 390
 391     *piCP = 1;                   /* Return something in range */
 392     *piTrailing = 0;
 393     return S_OK;
 394 }
 395
 396 /***********************************************************************
 397  *      ScriptBreak (USP10.@)
 398  *
 399  */
 400 HRESULT WINAPI ScriptBreak(const WCHAR *pwcChars, int cChars,  const SCRIPT_ANALYSIS *psa,
 401                     SCRIPT_LOGATTR *psla)
 402 {
 403     FIXME("(%p,%d,%p,%p): stub\n",
 404           pwcChars, cChars, psa, psla);
 405
 406     return S_OK;
 407 }
 408
 409 /***********************************************************************
 410  *      ScriptIsComplex (USP10.@)
 411  *
 412  */
 413 HRESULT WINAPI ScriptIsComplex(const WCHAR* pwcInChars, int cInChars, DWORD dwFlags) {
 414   FIXME("(%s,%d,0x%lx): stub\n",  debugstr_wn(pwcInChars, cInChars), cInChars, dwFlags);
 415    return E_NOTIMPL;
 416 }
 417
 418 /***********************************************************************
 419  *      ScriptShape (USP10.@)
 420  *
 421  */
 422 HRESULT WINAPI ScriptShape(HDC hdc, SCRIPT_CACHE *psc, const WCHAR *pwcChars,
 423                            int cChars, int cMaxGlyphs,
 424                            SCRIPT_ANALYSIS *psa, WORD *pwOutGlyphs, WORD *pwLogClust,
 425                            SCRIPT_VISATTR *psva, int *pcGlyphs)
 426 {
 427     /*  Note SCRIPT_CACHE (*psc) appears to be a good place to save info that needs to be
 428      *  passed between functions.                                                         */
 429
 430     HDC phdc;
 431     int cnt;
 432     DWORD hr;
 433     Scriptcache *pScriptcache;
 434     *pcGlyphs = cChars;
 435     FIXME("(%p, %p, %p, %d, %d, %p): semi-stub\n",  hdc, psc, pwcChars,
 436                                        cChars, cMaxGlyphs, psa);
 437     if (psa) TRACE("psa values: %d, %d, %d, %d, %d, %d, %d\n", psa->eScript, psa->fRTL, psa->fLayoutRTL,
 438                                          psa->fLinkBefore, psa->fLinkAfter,
 439                                          psa->fLogicalOrder, psa->fNoGlyphIndex);
 440
 441     if  (cChars > cMaxGlyphs) return E_OUTOFMEMORY;
 442
 443     if  (!hdc && !*psc) {
 444         TRACE("No Script_Cache (psc) and no hdc. Ask for one. Hdc=%p, psc=%p\n", hdc, *psc);
 445         return E_PENDING;
 446     }   else
 447         if  (hdc && !*psc) {
 448             pScriptcache = HeapAlloc( GetProcessHeap(), HEAP_ZERO_MEMORY, sizeof(Scriptcache) );
 449             pScriptcache->hdc = (HDC) hdc;
 450             phdc = hdc;
 451             *psc = (Scriptcache *) pScriptcache;
 452        }   else
 453             if  (*psc) {
 454                 pScriptcache = (Scriptcache *) *psc;
 455                 phdc = pScriptcache->hdc;
 456             }
 457
 458     TRACE("Before: ");
 459     for (cnt = 0; cnt < cChars; cnt++)
 460          TRACE("%4x",pwcChars[cnt]);
 461     TRACE("\n");
 462
 463     if  (!psa->fNoGlyphIndex) {                                         /* Glyph translate */
 464         hr = GetGlyphIndicesW(phdc, pwcChars, cChars, pwOutGlyphs, 0);
 465         TRACE("After:  ");
 466         for (cnt = 0; cnt < cChars; cnt++) {
 467              TRACE("%04x",pwOutGlyphs[cnt]);
 468         }
 469         TRACE("\n");
 470     }
 471     else {
 472         TRACE("After:  ");
 473         for (cnt = 0; cnt < cChars; cnt++) {                           /* no translate so set up */
 474              pwOutGlyphs[cnt] = pwcChars[cnt];                         /* copy in to out and     */
 475              TRACE("%04x",pwOutGlyphs[cnt]);
 476         }
 477        TRACE("\n");
 478     }
 479
 480     /*  Set up a valid SCRIPT_VISATTR and LogClust for each char in this run */
 481     for (cnt = 0;  cnt < cChars; cnt++) {
 482          psva[cnt].uJustification = 2;
 483          psva[cnt].fClusterStart = 1;
 484          psva[cnt].fDiacritic = 0;
 485          psva[cnt].fZeroWidth = 0;
 486          pwLogClust[cnt] = cnt;
 487     }
 488     return 0;
 489 }
 490
 491 /***********************************************************************
 492  *      ScriptPlace (USP10.@)
 493  *
 494  */
 495 HRESULT WINAPI ScriptPlace(HDC hdc, SCRIPT_CACHE *psc, const WORD *pwGlyphs,
 496                            int cGlyphs, const SCRIPT_VISATTR *psva,
 497                            SCRIPT_ANALYSIS *psa, int *piAdvance, GOFFSET *pGoffset, ABC *pABC )
 498 {
 499     HDC phdc;
 500     int wcnt;
 501     LPABC lpABC;
 502     Scriptcache *pScriptcache;
 503     FIXME("(%p, %p, %p, %s, %d, %p, %p, %p): semi-stub\n",  hdc, psc, pwGlyphs,
 504                                                 debugstr_wn(pwGlyphs, cGlyphs),
 505                                                 cGlyphs, psva, psa,
 506                                                 piAdvance);
 507
 508     /*  We need a valid hdc to do any of the font calls.  The spec says that hdc is optional and
 509      *  psc will be used first.  If psc and hdc are not specified E_PENDING is returned to get
 510      *  the caller to return the hdc.  For convience, the hdc is cached in SCRIPT_CACHE.    */
 511
 512     if  (!hdc && !*psc) {
 513         TRACE("No Script_Cache (psc) and no hdc. Ask for one. Hdc=%p, psc=%p\n", hdc, *psc);
 514         return E_PENDING;
 515     }   else
 516         if  (hdc && !*psc) {
 517             pScriptcache = HeapAlloc( GetProcessHeap(), 0, sizeof(Scriptcache) );
 518             pScriptcache->hdc = hdc;
 519             phdc = hdc;
 520             *psc = pScriptcache;
 521         }   else
 522             if  (*psc) {
 523                 pScriptcache = *psc;
 524                 phdc = pScriptcache->hdc;
 525             }
 526
 527     /*   Here we need to calculate the width of the run unit.  At this point the input string
 528      *   has been converted to glyphs and we till need to translate back to the original chars
 529      *   to get the correct ABC widths.   */
 530
 531      lpABC = HeapAlloc(GetProcessHeap(), 0 , sizeof(ABC)*cGlyphs);
 532      pABC->abcA = 0;
 533      pABC->abcB = 0;
 534      pABC->abcC = 0;
 535      if  (!GetCharABCWidthsI(phdc, 0, cGlyphs, (WORD *) pwGlyphs, lpABC ))
 536      {
 537          WARN("Could not get ABC values\n");
 538          for (wcnt = 0; wcnt < cGlyphs; wcnt++) {
 539              piAdvance[wcnt] = 0;
 540              pGoffset[wcnt].du = 0;
 541              pGoffset[wcnt].dv = 0;
 542          }
 543      }
 544      else
 545      {
 546          for (wcnt = 0; wcnt < cGlyphs ; wcnt++) {          /* add up the char lengths  */
 547              TRACE("     Glyph=%04x,  abcA=%d,  abcB=%d,  abcC=%d  wcnt=%d\n",
 548                                   pwGlyphs[wcnt],
 549                                   lpABC[wcnt].abcA,
 550                                   lpABC[wcnt].abcB,
 551                                   lpABC[wcnt].abcC, wcnt);
 552              pABC->abcA += lpABC[wcnt].abcA;
 553              pABC->abcB += lpABC[wcnt].abcB;
 554              pABC->abcC += lpABC[wcnt].abcC;
 555              piAdvance[wcnt] = lpABC[wcnt].abcA + lpABC[wcnt].abcB + lpABC[wcnt].abcC;
 556              pGoffset[wcnt].du = 0;
 557              pGoffset[wcnt].dv = 0;
 558          }
 559      }
 560      TRACE("Total for run:   abcA=%d,  abcB=%d,  abcC=%d\n", pABC->abcA, pABC->abcB, pABC->abcC);
 561
 562      HeapFree(GetProcessHeap(), 0, lpABC );
 563
 564      return 0;
 565 }
 566
 567 /***********************************************************************
 568  *      ScriptGetCMap (USP10.@)
 569  *
 570  */
 571 HRESULT WINAPI ScriptGetCMap(HDC hdc, SCRIPT_CACHE *psc, const WCHAR *pwcInChars,
 572                               int cChars, DWORD dwFlags, WORD *pwOutGlyphs)
 573 {
 574     HDC phdc;
 575     int cnt;
 576     DWORD hr;
 577     Scriptcache *pScriptcache;
 578     FIXME("(%p,%p,%s,%d,0x%lx,%p): semi-stub\n", hdc, psc, debugstr_wn(pwcInChars,cChars),
 579                                                  cChars, dwFlags, pwOutGlyphs);
 580
 581     if  (!psc)
 582         return E_INVALIDARG;
 583
 584     if  (!hdc && !*psc) {
 585         TRACE("No Script_Cache (psc) and no hdc. Ask for one. Hdc=%p, psc=%p\n", hdc, *psc);
 586         return E_PENDING;
 587     }   else
 588         if  (hdc && !*psc) {
 589             pScriptcache = HeapAlloc( GetProcessHeap(), 0, sizeof(Scriptcache) );
 590             pScriptcache->hdc = hdc;
 591             phdc = hdc;
 592             *psc = pScriptcache;
 593         }   else
 594             if  (*psc) {
 595                 pScriptcache = *psc;
 596                 phdc = pScriptcache->hdc;
 597             }
 598
 599     TRACE("Before: ");
 600     for (cnt = 0; cnt < cChars; cnt++)
 601          TRACE("%4x",pwcInChars[cnt]);
 602     TRACE("\n");
 603
 604     hr = GetGlyphIndicesW(phdc, pwcInChars, cChars, pwOutGlyphs, 0);
 605     TRACE("After:  ");
 606     for (cnt = 0; cnt < cChars; cnt++) {
 607          TRACE("%04x",pwOutGlyphs[cnt]);
 608     }
 609     TRACE("\n");
 610
 611     return 0;
 612 }
 613
 614 /***********************************************************************
 615  *      ScriptTextOut (USP10.@)
 616  *
 617  */
 618 HRESULT WINAPI ScriptTextOut(const HDC hdc, SCRIPT_CACHE *psc, int x, int y, UINT fuOptions,
 619                              const RECT *lprc, const SCRIPT_ANALYSIS *psa, const WCHAR *pwcReserved,
 620                              int iReserved, const WORD *pwGlyphs, int cGlyphs, const int *piAdvance,
 621                              const int *piJustify, const GOFFSET *pGoffset)
 622 {
 623     HDC phdc;
 624     DWORD hr;
 625     Scriptcache *pScriptcache;
 626     TRACE     ("(%p, %p, %d, %d, %04x, %p, %p, %p, %d, %p, %d, %p, %p, %p): stub\n",
 627          hdc, psc, x, y, fuOptions, lprc, psa, pwcReserved, iReserved, pwGlyphs, cGlyphs,
 628          piAdvance, piJustify, pGoffset);
 629
 630     if  (!hdc || !psc || !piAdvance || !psa || !pwGlyphs)         /* hdc is mandatory                 */
 631         return E_INVALIDARG;
 632
 633     if  (!*psc) {
 634         pScriptcache = HeapAlloc( GetProcessHeap(), HEAP_ZERO_MEMORY, sizeof(Scriptcache) );
 635         pScriptcache->hdc = hdc;
 636         phdc = hdc;
 637         *psc = pScriptcache;
 638     } else {
 639         pScriptcache = *psc;
 640         phdc = pScriptcache->hdc;
 641     }
 642
 643     fuOptions &= ETO_CLIPPED + ETO_OPAQUE;
 644     if  (!psa->fNoGlyphIndex)                                     /* Have Glyphs?                      */
 645         fuOptions |= ETO_GLYPH_INDEX;                             /* Say don't do tranlastion to glyph */
 646
 647     hr = ExtTextOutW(phdc, x, y, fuOptions, lprc, pwGlyphs, cGlyphs, NULL);
 648
 649     if  (hr) return S_OK;
 650     else {
 651         FIXME("ExtTextOut returned:=%ld\n", hr);
 652         return hr;
 653     }
 654 }