dlls/wineps/truetype.c

   1 /*******************************************************************************
   2  *  TrueType font-related functions for Wine PostScript driver.  Currently just
   3  *  uses FreeType to read font metrics.
   4  *
   5  *  Copyright 2001  Ian Pilcher
   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., 59 Temple Place, Suite 330, Boston, MA  02111-1307  USA
  20  *
  21  *  NOTE:  Many of the functions in this file can return either fatal errors
  22  *      (memory allocation failure or unexpected FreeType error) or non-fatal
  23  *      errors (unusable font file).  Fatal errors are indicated by returning
  24  *      FALSE; see individual function descriptions for how they indicate non-
  25  *      fatal errors.
  26  *
  27  */
  28 #include "config.h"
  29 #include "wine/port.h"
  30
  31 #ifdef HAVE_FREETYPE
  32
  33 /*
  34  *  These stupid #ifdefs should work for FreeType 2.0.1 and 2.0.2.  Beyond that
  35  *  is anybody's guess.
  36  */
  37
  38 #ifdef HAVE_FT2BUILD_H
  39 #include <ft2build.h>
  40 #endif
  41 #ifdef HAVE_FREETYPE_FREETYPE_H
  42 #include <freetype/freetype.h>
  43 #endif
  44 #ifdef HAVE_FREETYPE_FTGLYPH_H
  45 #include <freetype/ftglyph.h>
  46 #endif
  47 #ifdef HAVE_FREETYPE_TTTABLES_H
  48 #include <freetype/tttables.h>
  49 #endif
  50 #ifdef HAVE_FREETYPE_FTSNAMES_H
  51 #include <freetype/ftsnames.h>
  52 #else
  53 # ifdef HAVE_FREETYPE_FTNAMES_H
  54 # include <freetype/ftnames.h>
  55 # endif
  56 #endif
  57 #ifdef HAVE_FREETYPE_TTNAMEID_H
  58 #include <freetype/ttnameid.h>
  59 #endif
  60
  61 #include <sys/types.h>
  62 #include <dirent.h>
  63 #include <string.h>
  64 #include <stdarg.h>
  65 #include <stdio.h>
  66 #include <errno.h>
  67
  68 #include "windef.h"
  69 #include "winbase.h"
  70 #include "winerror.h"
  71 #include "winreg.h"
  72 #include "psdrv.h"
  73 #include "wine/debug.h"
  74
  75 WINE_DEFAULT_DEBUG_CHANNEL(psdrv);
  76
  77 #define REQUIRED_FACE_FLAGS     (   FT_FACE_FLAG_SCALABLE   |   \
  78                                     FT_FACE_FLAG_HORIZONTAL |   \
  79                                     FT_FACE_FLAG_SFNT       |   \
  80                                     FT_FACE_FLAG_GLYPH_NAMES    )
  81
  82 #define GLYPH_LOAD_FLAGS        (   FT_LOAD_NO_SCALE            |   \
  83                                     FT_LOAD_IGNORE_TRANSFORM    |   \
  84                                     FT_LOAD_LINEAR_DESIGN           )
  85
  86 #ifndef SONAME_LIBFREETYPE
  87 #define SONAME_LIBFREETYPE "libfreetype.so"
  88 #endif
  89
  90 static void *ft_handle = NULL;
  91
  92 #define MAKE_FUNCPTR(f) static typeof(f) * p##f = NULL;
  93 MAKE_FUNCPTR(FT_Done_Face)
  94 MAKE_FUNCPTR(FT_Done_FreeType)
  95 MAKE_FUNCPTR(FT_Get_Char_Index)
  96 MAKE_FUNCPTR(FT_Get_Glyph_Name)
  97 MAKE_FUNCPTR(FT_Get_Sfnt_Name)
  98 MAKE_FUNCPTR(FT_Get_Sfnt_Name_Count)
  99 MAKE_FUNCPTR(FT_Get_Sfnt_Table)
 100 MAKE_FUNCPTR(FT_Init_FreeType)
 101 MAKE_FUNCPTR(FT_Load_Glyph)
 102 MAKE_FUNCPTR(FT_New_Face)
 103 MAKE_FUNCPTR(FT_Set_Charmap)
 104 #undef MAKE_FUNCPTR
 105
 106 /*******************************************************************************
 107  *  FindCharMap
 108  *
 109  *  Finds Windows character map and creates "EncodingScheme" string.  Returns
 110  *  FALSE to indicate memory allocation or FreeType error; sets *p_charmap to
 111  *  NULL if no Windows encoding is present.
 112  *
 113  *  Returns Unicode character map if present; otherwise uses the first Windows
 114  *  character map found.
 115  *
 116  */
 117 static const LPCSTR encoding_names[7] =
 118 {
 119     "WindowsSymbol",        /* TT_MS_ID_SYMBOL_CS */
 120     "WindowsUnicode",       /* TT_MS_ID_UNICODE_CS */
 121     "WindowsShiftJIS",      /* TT_MS_ID_SJIS */
 122     "WindowsPRC",           /* TT_MS_ID_GB2312 */
 123     "WindowsBig5",          /* TT_MS_ID_BIG_5 */
 124     "WindowsWansung",       /* TT_MS_ID_WANSUNG */
 125     "WindowsJohab"          /* TT_MS_ID_JOHAB */
 126 /*  "WindowsUnknown65535"   is the longest possible (encoding_id is a UShort) */
 127 };
 128
 129 static BOOL FindCharMap(FT_Face face, FT_CharMap *p_charmap, LPSTR *p_sz)
 130 {
 131     FT_Int      i;
 132     FT_Error    error;
 133     FT_CharMap  charmap = NULL;
 134
 135     for (i = 0; i < face->num_charmaps; ++i)
 136     {
 137         if (face->charmaps[i]->platform_id != TT_PLATFORM_MICROSOFT)
 138             continue;
 139
 140         if (face->charmaps[i]->encoding_id == TT_MS_ID_UNICODE_CS)
 141         {
 142             charmap = face->charmaps[i];
 143             break;
 144         }
 145
 146         if (charmap == NULL)
 147             charmap = face->charmaps[i];
 148     }
 149
 150     *p_charmap = charmap;
 151
 152     if (charmap == NULL)
 153     {
 154         WARN("No Windows character map found\n");
 155         return TRUE;
 156     }
 157
 158     error = pFT_Set_Charmap(face, charmap);
 159     if (error != FT_Err_Ok)
 160     {
 161         ERR("%s returned %i\n", "FT_Set_Charmap", error);
 162         return FALSE;
 163     }
 164
 165     *p_sz = HeapAlloc(PSDRV_Heap, 0, sizeof("WindowsUnknown65535"));
 166     if (*p_sz == NULL)
 167         return FALSE;
 168
 169     if (charmap->encoding_id < 7)
 170         strcpy(*p_sz, encoding_names[charmap->encoding_id]);
 171     else
 172         sprintf(*p_sz, "%s%u", "WindowsUnknown", charmap->encoding_id);
 173
 174     return TRUE;
 175 }
 176
 177 /*******************************************************************************
 178  *  MSTTStrToSz
 179  *
 180  *  Converts a string in the TrueType NAME table to a null-terminated ASCII
 181  *  character string.  Space for the string is allocated from the driver heap.
 182  *  Only handles platform_id = 3 (TT_PLATFORM_MICROSOFT) strings (16-bit, big
 183  *  endian).  It also only handles ASCII character codes (< 128).
 184  *
 185  *  Sets *p_sz to NULL if string cannot be converted; only returns FALSE for
 186  *  memory allocation failure.
 187  *
 188  */
 189 static BOOL MSTTStrToSz(const FT_SfntName *name, LPSTR *p_sz)
 190 {
 191     FT_UShort   i;
 192     INT         len;
 193     BYTE        *wsz;
 194     LPSTR       sz;
 195
 196     len = name->string_len / 2;                     /* # of 16-bit chars */
 197
 198     *p_sz = sz = HeapAlloc(PSDRV_Heap, 0, len + 1);
 199     if (sz == NULL)
 200         return FALSE;
 201
 202     wsz = (BYTE *)name->string;
 203
 204     for (i = 0; i < len; ++i, ++sz)
 205     {
 206         USHORT wc = (wsz[0] << 8) + wsz[1];
 207         wsz += 2;
 208
 209         if (wc > 127)
 210         {
 211             WARN("Non-ASCII character 0x%.4x\n", wc);
 212             HeapFree(PSDRV_Heap, 0, *p_sz);
 213             *p_sz = NULL;
 214             return TRUE;
 215         }
 216
 217         *sz = (CHAR)wc;
 218     }
 219
 220     *sz = '\0';
 221
 222     return TRUE;
 223 }
 224
 225 /*******************************************************************************
 226  *  FindMSTTString
 227  *
 228  *  Finds the requested Microsoft platform string in the TrueType NAME table and
 229  *  converts it to a null-terminated ASCII string.  Currently looks for U.S.
 230  *  English names only.
 231  *
 232  *  Sets string to NULL if not present or cannot be converted; returns FALSE
 233  *  only for memory allocation failure.
 234  *
 235  */
 236 static BOOL FindMSTTString(FT_Face face, FT_CharMap charmap, FT_UShort name_id,
 237         LPSTR *p_sz)
 238 {
 239     FT_UInt         num_strings, string_index;
 240     FT_SfntName     name;
 241     FT_Error        error;
 242
 243     num_strings = pFT_Get_Sfnt_Name_Count(face);
 244
 245     for (string_index = 0; string_index < num_strings; ++string_index)
 246     {
 247         error = pFT_Get_Sfnt_Name(face, string_index, &name);
 248         if (error != FT_Err_Ok)
 249         {
 250             ERR("%s returned %i\n", "FT_Get_Sfnt_Name", error);
 251             return FALSE;
 252         }
 253
 254         /* FIXME - Handle other languages? */
 255
 256         if (name.platform_id != TT_PLATFORM_MICROSOFT ||
 257                 name.language_id != TT_MS_LANGID_ENGLISH_UNITED_STATES)
 258             continue;
 259
 260         if (name.platform_id != charmap->platform_id ||
 261                 name.encoding_id != charmap->encoding_id)
 262             continue;
 263
 264         if (name.name_id != name_id)
 265             continue;
 266
 267         return MSTTStrToSz(&name, p_sz);
 268     }
 269
 270     *p_sz = NULL;                   /* didn't find it */
 271
 272     return TRUE;
 273 }
 274
 275 /*******************************************************************************
 276  *  PSUnits
 277  *
 278  *  Convert TrueType font units (relative to font em square) to PostScript
 279  *  units.
 280  *
 281  */
 282 inline static float PSUnits(LONG x, USHORT em_size)
 283 {
 284     return 1000.0 * (float)x / (float)em_size;
 285 }
 286
 287 /*******************************************************************************
 288  *  StartAFM
 289  *
 290  *  Allocates space for the AFM on the driver heap and reads basic font metrics
 291  *  from the HEAD, POST, HHEA, and OS/2 tables.  Returns FALSE for memory
 292  *  allocation error; sets *p_afm to NULL if required information is missing.
 293  *
 294  */
 295 static BOOL StartAFM(FT_Face face, AFM **p_afm)
 296 {
 297     TT_Header       *head;
 298     TT_Postscript   *post;
 299     TT_OS2          *os2;
 300     TT_HoriHeader   *hhea;
 301     USHORT          em_size;
 302     AFM             *afm;
 303
 304     head = pFT_Get_Sfnt_Table(face, ft_sfnt_head);
 305     post = pFT_Get_Sfnt_Table(face, ft_sfnt_post);
 306     os2 = pFT_Get_Sfnt_Table(face, ft_sfnt_os2);
 307     hhea = pFT_Get_Sfnt_Table(face, ft_sfnt_hhea);
 308
 309     if (head == NULL || post == NULL || os2 == NULL || hhea == NULL ||
 310             os2->version == 0xffff)                     /* old Macintosh font */
 311     {
 312         WARN("Required table(s) missing\n");
 313         *p_afm = NULL;
 314         return TRUE;
 315     }
 316
 317     *p_afm = afm = HeapAlloc(PSDRV_Heap, 0, sizeof(*afm));
 318     if (afm == NULL)
 319         return FALSE;
 320
 321     afm->WinMetrics.usUnitsPerEm = em_size = head->Units_Per_EM;
 322     afm->WinMetrics.sAscender = hhea->Ascender;
 323     afm->WinMetrics.sDescender = hhea->Descender;
 324     afm->WinMetrics.sLineGap = hhea->Line_Gap;
 325     afm->WinMetrics.sTypoAscender = os2->sTypoAscender;
 326     afm->WinMetrics.sTypoDescender = os2->sTypoDescender;
 327     afm->WinMetrics.sTypoLineGap = os2->sTypoLineGap;
 328     afm->WinMetrics.usWinAscent = os2->usWinAscent;
 329     afm->WinMetrics.usWinDescent = os2->usWinDescent;
 330     afm->WinMetrics.sAvgCharWidth = os2->xAvgCharWidth;
 331
 332     afm->Weight = os2->usWeightClass;
 333     afm->ItalicAngle = ((float)(post->italicAngle)) / 65536.0;
 334     afm->IsFixedPitch = (post-> isFixedPitch == 0) ? FALSE : TRUE;
 335     afm->UnderlinePosition = PSUnits(post->underlinePosition, em_size);
 336     afm->UnderlineThickness = PSUnits(post->underlineThickness, em_size);
 337
 338     afm->FontBBox.llx = PSUnits(head->xMin, em_size);
 339     afm->FontBBox.lly = PSUnits(head->yMin, em_size);
 340     afm->FontBBox.urx = PSUnits(head->xMax, em_size);
 341     afm->FontBBox.ury = PSUnits(head->yMax, em_size);
 342
 343     afm->Ascender = PSUnits(os2->sTypoAscender, em_size);
 344     afm->Descender = PSUnits(os2->sTypoDescender, em_size);
 345
 346     return TRUE;
 347 }
 348
 349 /*******************************************************************************
 350  *  ReadCharMetrics
 351  *
 352  *  Reads metrics for each glyph in a TrueType font.  Returns false for memory
 353  *  allocation or FreeType error; sets *p_metrics to NULL for non-fatal error.
 354  *
 355  */
 356 static BOOL ReadCharMetrics(FT_Face face, AFM *afm, AFMMETRICS **p_metrics)
 357 {
 358     FT_ULong    charcode, index;
 359     AFMMETRICS  *metrics;
 360     USHORT      em_size = afm->WinMetrics.usUnitsPerEm;
 361
 362     for (charcode = 0, index = 0; charcode < 65536; ++charcode)
 363         if (pFT_Get_Char_Index(face, charcode) != 0)
 364             ++index;                                    /* count # of glyphs */
 365
 366     afm->NumofMetrics = index;
 367
 368     *p_metrics = metrics = HeapAlloc(PSDRV_Heap, 0, index * sizeof(*metrics));
 369     if (metrics == NULL)
 370         return FALSE;
 371
 372     for (charcode = 0, index = 0; charcode < 65536; ++charcode)
 373     {
 374         FT_UInt     glyph_index = pFT_Get_Char_Index(face, charcode);
 375         FT_Error    error;
 376         CHAR        buffer[128];                /* for glyph names */
 377
 378         if (glyph_index == 0)
 379             continue;
 380
 381         error = pFT_Load_Glyph(face, glyph_index, GLYPH_LOAD_FLAGS);
 382         if (error != FT_Err_Ok)
 383         {
 384             ERR("%s returned %i\n", "FT_Load_Glyph", error);
 385             goto cleanup;
 386         }
 387
 388         error = pFT_Get_Glyph_Name(face, glyph_index, buffer, sizeof(buffer));
 389         if (error != FT_Err_Ok)
 390         {
 391             ERR("%s returned %i\n", "FT_Get_Glyph_Name", error);
 392             goto cleanup;
 393         }
 394
 395         metrics[index].N = PSDRV_GlyphName(buffer);
 396         if (metrics[index].N == NULL)
 397             goto cleanup;
 398
 399         metrics[index].C = metrics[index].UV = charcode;
 400         metrics[index].WX = PSUnits(face->glyph->metrics.horiAdvance, em_size);
 401
 402         ++index;
 403     }
 404
 405     if (afm->WinMetrics.sAvgCharWidth == 0)
 406         afm->WinMetrics.sAvgCharWidth = PSDRV_CalcAvgCharWidth(afm);
 407
 408     return TRUE;
 409
 410     cleanup:
 411         HeapFree(PSDRV_Heap, 0, metrics);
 412
 413     return FALSE;
 414 }
 415
 416 /*******************************************************************************
 417  *  BuildTrueTypeAFM
 418  *
 419  *  Builds the AFM for a TrueType font and adds it to the driver font list.
 420  *  Returns FALSE only on an unexpected error (memory allocation failure or
 421  *  FreeType error).
 422  *
 423  */
 424 static BOOL BuildTrueTypeAFM(FT_Face face)
 425 {
 426     AFM         *afm;
 427     AFMMETRICS  *metrics;
 428     LPSTR       font_name, full_name, family_name, encoding_scheme = NULL;
 429     FT_CharMap  charmap;
 430     BOOL        retval, added;
 431
 432     retval = StartAFM(face, &afm);
 433     if (retval == FALSE || afm == NULL)
 434         return retval;
 435
 436     retval = FindCharMap(face, &charmap, &encoding_scheme);
 437     if (retval == FALSE || charmap == NULL)
 438         goto cleanup_afm;
 439
 440     retval = FindMSTTString(face, charmap, TT_NAME_ID_PS_NAME, &font_name);
 441     if (retval == FALSE || font_name == NULL)
 442         goto cleanup_encoding_scheme;
 443
 444     retval = FindMSTTString(face, charmap, TT_NAME_ID_FULL_NAME, &full_name);
 445     if (retval == FALSE || full_name == NULL)
 446         goto cleanup_font_name;
 447
 448     retval = FindMSTTString(face, charmap, TT_NAME_ID_FONT_FAMILY,
 449             &family_name);
 450     if (retval == FALSE || family_name == NULL)
 451         goto cleanup_full_name;
 452
 453     retval = ReadCharMetrics(face, afm, &metrics);
 454     if (retval == FALSE || metrics == NULL)
 455         goto cleanup_family_name;
 456
 457     afm->EncodingScheme = encoding_scheme; afm->FontName = font_name;
 458     afm->FullName = full_name; afm->FamilyName = family_name;
 459     afm->Metrics = metrics;
 460
 461     retval = PSDRV_AddAFMtoList(&PSDRV_AFMFontList, afm, &added);
 462     if (retval == FALSE || added == FALSE)
 463         goto cleanup_family_name;
 464
 465     return TRUE;
 466
 467     /* clean up after fatal or non-fatal errors */
 468
 469     cleanup_family_name:
 470         HeapFree(PSDRV_Heap, 0, family_name);
 471     cleanup_full_name:
 472         HeapFree(PSDRV_Heap, 0, full_name);
 473     cleanup_font_name:
 474         HeapFree(PSDRV_Heap, 0, font_name);
 475     cleanup_encoding_scheme:
 476         HeapFree(PSDRV_Heap, 0, encoding_scheme);
 477     cleanup_afm:
 478         HeapFree(PSDRV_Heap, 0, afm);
 479
 480     return retval;
 481 }
 482
 483 /*******************************************************************************
 484  *  ReadTrueTypeFile
 485  *
 486  *  Reads font metrics from TrueType font file.  Only returns FALSE for
 487  *  unexpected errors (memory allocation failure or FreeType error).
 488  *
 489  */
 490 static BOOL ReadTrueTypeFile(FT_Library library, LPCSTR filename)
 491 {
 492     FT_Error        error;
 493     FT_Face         face;
 494
 495     TRACE("%s\n", filename);
 496
 497     error = pFT_New_Face(library, filename, 0, &face);
 498     if (error != FT_Err_Ok)
 499     {
 500         WARN("FreeType error %i opening %s\n", error, filename);
 501         return TRUE;
 502     }
 503
 504     if ((face->face_flags & REQUIRED_FACE_FLAGS) == REQUIRED_FACE_FLAGS)
 505     {
 506         if (BuildTrueTypeAFM(face) == FALSE)
 507         {
 508             pFT_Done_Face(face);
 509             return FALSE;
 510         }
 511     }
 512     else
 513     {
 514         WARN("Required information missing from %s\n", filename);
 515     }
 516
 517     error = pFT_Done_Face(face);
 518     if (error != FT_Err_Ok)
 519     {
 520         ERR("%s returned %i\n", "FT_Done_Face", error);
 521         return FALSE;
 522     }
 523
 524     return TRUE;
 525 }
 526
 527 /*******************************************************************************
 528  *  ReadTrueTypeDir
 529  *
 530  *  Reads all TrueType font files in a directory.
 531  *
 532  */
 533 static BOOL ReadTrueTypeDir(FT_Library library, LPCSTR dirname)
 534 {
 535     struct dirent   *dent;
 536     DIR             *dir;
 537     CHAR            filename[256];
 538
 539     dir = opendir(dirname);
 540     if (dir == NULL)
 541     {
 542         WARN("'%s' opening %s\n", strerror(errno), dirname);
 543         return TRUE;
 544     }
 545
 546     while ((dent = readdir(dir)) != NULL)
 547     {
 548         CHAR        *file_extension = strrchr(dent->d_name, '.');
 549         int         fn_len;
 550
 551         if (file_extension == NULL || strcasecmp(file_extension, ".ttf") != 0)
 552             continue;
 553
 554         fn_len = snprintf(filename, 256, "%s/%s", dirname, dent->d_name);
 555         if (fn_len < 0 || fn_len > sizeof(filename) - 1)
 556         {
 557             WARN("Path '%s/%s' is too long\n", dirname, dent->d_name);
 558             continue;
 559         }
 560
 561         if (ReadTrueTypeFile(library, filename) ==  FALSE)
 562         {
 563             closedir(dir);
 564             return FALSE;
 565         }
 566     }
 567
 568     closedir(dir);
 569
 570     return TRUE;
 571 }
 572
 573 /*******************************************************************************
 574  *  PSDRV_GetTrueTypeMetrics
 575  *
 576  *  Reads font metrics from TrueType font files in directories listed in the
 577  *  [TrueType Font Directories] section of the Wine configuration file.
 578  *
 579  *  If this function fails (returns FALSE), the driver will fail to initialize
 580  *  and the driver heap will be destroyed, so it's not necessary to HeapFree
 581  *  everything in that event.
 582  *
 583  */
 584 BOOL PSDRV_GetTrueTypeMetrics(void)
 585 {
 586     CHAR        name_buf[256], value_buf[256];
 587     INT         i = 0;
 588     FT_Error    error;
 589     FT_Library  library;
 590     HKEY        hkey;
 591     DWORD       type, name_len, value_len;
 592
 593     if (RegOpenKeyExA(HKEY_LOCAL_MACHINE,
 594             "Software\\Wine\\Wine\\Config\\TrueType Font Directories",
 595             0, KEY_READ, &hkey) != ERROR_SUCCESS)
 596         return TRUE;
 597
 598
 599     ft_handle = wine_dlopen(SONAME_LIBFREETYPE, RTLD_NOW, NULL, 0);
 600     if(!ft_handle) {
 601         WINE_MESSAGE(
 602       "Wine cannot find the FreeType font library.  To enable Wine to\n"
 603       "use TrueType fonts please install a version of FreeType greater than\n"
 604       "or equal to 2.0.5.\n"
 605       "http://www.freetype.org\n");
 606         RegCloseKey(hkey);
 607         return TRUE;
 608     }
 609
 610 #define LOAD_FUNCPTR(f) if((p##f = wine_dlsym(ft_handle, #f, NULL, 0)) == NULL) goto sym_not_found;
 611     LOAD_FUNCPTR(FT_Done_Face)
 612     LOAD_FUNCPTR(FT_Done_FreeType)
 613     LOAD_FUNCPTR(FT_Get_Char_Index)
 614     LOAD_FUNCPTR(FT_Get_Glyph_Name)
 615     LOAD_FUNCPTR(FT_Get_Sfnt_Name)
 616     LOAD_FUNCPTR(FT_Get_Sfnt_Name_Count)
 617     LOAD_FUNCPTR(FT_Get_Sfnt_Table)
 618     LOAD_FUNCPTR(FT_Init_FreeType)
 619     LOAD_FUNCPTR(FT_Load_Glyph)
 620     LOAD_FUNCPTR(FT_New_Face)
 621     LOAD_FUNCPTR(FT_Set_Charmap)
 622 #undef LOAD_FUNCPTR
 623
 624     error = pFT_Init_FreeType(&library);
 625     if (error != FT_Err_Ok)
 626     {
 627         ERR("%s returned %i\n", "FT_Init_FreeType", error);
 628         wine_dlclose(ft_handle, NULL, 0);
 629         RegCloseKey(hkey);
 630         return FALSE;
 631     }
 632
 633     name_len = sizeof(name_buf);
 634     value_len = sizeof(value_buf);
 635
 636     while (RegEnumValueA(hkey, i++, name_buf, &name_len, NULL, &type, value_buf,
 637             &value_len) == ERROR_SUCCESS)
 638     {
 639         value_buf[sizeof(value_buf) - 1] = '\0';
 640
 641         if (ReadTrueTypeDir(library, value_buf) == FALSE)
 642         {
 643             RegCloseKey(hkey);
 644             pFT_Done_FreeType(library);
 645             return FALSE;
 646         }
 647
 648         /* initialize lengths for new iteration */
 649
 650         name_len = sizeof(name_buf);
 651         value_len = sizeof(value_buf);
 652     }
 653
 654     RegCloseKey(hkey);
 655     pFT_Done_FreeType(library);
 656     wine_dlclose(ft_handle, NULL, 0);
 657     ft_handle = NULL;
 658     return TRUE;
 659
 660 sym_not_found:
 661     WINE_MESSAGE(
 662       "Wine cannot find certain functions that it needs inside the FreeType\n"
 663       "font library.  To enable Wine to use TrueType fonts please upgrade\n"
 664       "FreeType to at least version 2.0.5.\n"
 665       "http://www.freetype.org\n");
 666     RegCloseKey(hkey);
 667     wine_dlclose(ft_handle, NULL, 0);
 668     ft_handle = NULL;
 669     return TRUE;
 670 }
 671
 672 #endif  /* HAVE_FREETYPE */