src/unix/fontutil.cpp

   1 /////////////////////////////////////////////////////////////////////////////
   2 // Name:        unix/fontutil.cpp
   3 // Purpose:     Font helper functions for X11 (GDK/X)
   4 // Author:      Vadim Zeitlin
   5 // Modified by:
   6 // Created:     05.11.99
   7 // RCS-ID:      $Id$
   8 // Copyright:   (c) Vadim Zeitlin
   9 // Licence:     wxWindows license
  10 /////////////////////////////////////////////////////////////////////////////
  11
  12 // ============================================================================
  13 // declarations
  14 // ============================================================================
  15
  16 // ----------------------------------------------------------------------------
  17 // headers
  18 // ----------------------------------------------------------------------------
  19
  20 #ifdef __GNUG__
  21     #pragma implementation "fontutil.h"
  22 #endif
  23
  24 // For compilers that support precompilation, includes "wx.h".
  25 #include "wx/wxprec.h"
  26
  27 #ifdef __BORLANDC__
  28     #pragma hdrstop
  29 #endif
  30
  31 #ifndef WX_PRECOMP
  32 #endif // PCH
  33
  34 #ifdef __X__
  35     #ifdef __VMS__
  36         #pragma message disable nosimpint
  37     #endif
  38
  39     #include <X11/Xlib.h>
  40
  41     #ifdef __VMS__
  42         #pragma message enable nosimpint
  43     #endif
  44
  45     #include "wx/utils.h"       // for wxGetDisplay()
  46 #elif defined(__WXGTK__)
  47     // we have to declare struct tm to avoid problems with first forward
  48     // declaring it in C code (glib.h included from gdk.h does it) and then
  49     // defining it when time.h is included from the headers below - this is
  50     // known not to work at least with Sun CC 6.01
  51     #include <time.h>
  52
  53     #include <gdk/gdk.h>
  54 #endif
  55
  56 #include "wx/fontutil.h"
  57 #include "wx/fontmap.h"
  58 #include "wx/tokenzr.h"
  59 #include "wx/hash.h"
  60 #include "wx/module.h"
  61
  62 // ----------------------------------------------------------------------------
  63 // private data
  64 // ----------------------------------------------------------------------------
  65
  66 static wxHashTable *g_fontHash = (wxHashTable*) NULL;
  67
  68 // ----------------------------------------------------------------------------
  69 // private functions
  70 // ----------------------------------------------------------------------------
  71
  72 // define the functions to create and destroy native fonts for this toolkit
  73 #ifdef __X__
  74     static inline wxNativeFont wxLoadFont(const wxString& fontSpec)
  75     {
  76         return XLoadQueryFont((Display *)wxGetDisplay(), fontSpec);
  77     }
  78
  79     static inline void wxFreeFont(wxNativeFont font)
  80     {
  81         XFreeFont((Display *)wxGetDisplay(), (XFontStruct *)font);
  82     }
  83 #elif defined(__WXGTK__)
  84     static inline wxNativeFont wxLoadFont(const wxString& fontSpec)
  85     {
  86        return gdk_font_load( wxConvertWX2MB(fontSpec) );
  87     }
  88
  89     static inline void wxFreeFont(wxNativeFont font)
  90     {
  91         gdk_font_unref(font);
  92     }
  93 #else
  94     #error "Unknown GUI toolkit"
  95 #endif
  96
  97 static bool wxTestFontSpec(const wxString& fontspec);
  98
  99 static wxNativeFont wxLoadQueryFont(int pointSize,
 100                                     int family,
 101                                     int style,
 102                                     int weight,
 103                                     bool underlined,
 104                                     const wxString& facename,
 105                                     const wxString& xregistry,
 106                                     const wxString& xencoding,
 107                                     wxString* xFontName);
 108
 109 // ============================================================================
 110 // implementation
 111 // ============================================================================
 112
 113 // ----------------------------------------------------------------------------
 114 // wxNativeEncodingInfo
 115 // ----------------------------------------------------------------------------
 116
 117 // convert to/from the string representation: format is
 118 //      encodingid;registry;encoding[;facename]
 119 bool wxNativeEncodingInfo::FromString(const wxString& s)
 120 {
 121     // use ";", not "-" because it may be part of encoding name
 122     wxStringTokenizer tokenizer(s, _T(";"));
 123
 124     wxString encid = tokenizer.GetNextToken();
 125     long enc;
 126     if ( !encid.ToLong(&enc) )
 127         return FALSE;
 128     encoding = (wxFontEncoding)enc;
 129
 130     xregistry = tokenizer.GetNextToken();
 131     if ( !xregistry )
 132         return FALSE;
 133
 134     xencoding = tokenizer.GetNextToken();
 135     if ( !xencoding )
 136         return FALSE;
 137
 138     // ok even if empty
 139     facename = tokenizer.GetNextToken();
 140
 141     return TRUE;
 142 }
 143
 144 wxString wxNativeEncodingInfo::ToString() const
 145 {
 146     wxString s;
 147     s << (long)encoding << _T(';') << xregistry << _T(';') << xencoding;
 148     if ( !!facename )
 149     {
 150         s << _T(';') << facename;
 151     }
 152
 153     return s;
 154 }
 155
 156 // ----------------------------------------------------------------------------
 157 // wxNativeFontInfo
 158 // ----------------------------------------------------------------------------
 159
 160 void wxNativeFontInfo::Init()
 161 {
 162     xFontName.clear();
 163 }
 164
 165 bool wxNativeFontInfo::FromString(const wxString& s)
 166 {
 167     wxStringTokenizer tokenizer(s, _T(";"));
 168
 169     // check the version
 170     wxString token = tokenizer.GetNextToken();
 171     if ( token != _T('0') )
 172         return FALSE;
 173
 174     xFontName = tokenizer.GetNextToken();
 175
 176     // this should be the end
 177     if ( tokenizer.HasMoreTokens() )
 178         return FALSE;
 179
 180     return FromXFontName(xFontName);
 181 }
 182
 183 wxString wxNativeFontInfo::ToString() const
 184 {
 185     // 0 is the version
 186     return wxString::Format(_T("%d;%s"), 0, GetXFontName().c_str());
 187 }
 188
 189 bool wxNativeFontInfo::FromUserString(const wxString& s)
 190 {
 191     return FromXFontName(s);
 192 }
 193
 194 wxString wxNativeFontInfo::ToUserString() const
 195 {
 196     return GetXFontName();
 197 }
 198
 199 bool wxNativeFontInfo::FromXFontName(const wxString& fontname)
 200 {
 201     // TODO: we should be able to handle the font aliases here, but how?
 202     wxStringTokenizer tokenizer(fontname, _T("-"), wxTOKEN_STRTOK);
 203
 204     for ( size_t n = 0; n < WXSIZEOF(fontElements); n++ )
 205     {
 206         if ( !tokenizer.HasMoreTokens() )
 207         {
 208             // not enough elements in the XLFD - or maybe an alias
 209             return FALSE;
 210         }
 211
 212         fontElements[n] = tokenizer.GetNextToken();
 213     }
 214
 215     // this should be all
 216     return !tokenizer.HasMoreTokens();
 217 }
 218
 219 wxString wxNativeFontInfo::GetXFontName() const
 220 {
 221     if ( xFontName.empty() )
 222     {
 223         for ( size_t n = 0; n < WXSIZEOF(fontElements); n++ )
 224         {
 225             // replace the non specified elements with '*' except for the
 226             // additional style which is usually just omitted
 227             wxString elt = fontElements[n];
 228             if ( elt.empty() && n != 5 )
 229             {
 230                 elt = _T('*');
 231             }
 232
 233             // const_cast
 234             ((wxNativeFontInfo *)this)->xFontName << _T('-') << elt;
 235         }
 236     }
 237
 238     return xFontName;
 239 }
 240
 241 // ----------------------------------------------------------------------------
 242 // common functions
 243 // ----------------------------------------------------------------------------
 244
 245 bool wxGetNativeFontEncoding(wxFontEncoding encoding,
 246                              wxNativeEncodingInfo *info)
 247 {
 248     wxCHECK_MSG( info, FALSE, _T("bad pointer in wxGetNativeFontEncoding") );
 249
 250     if ( encoding == wxFONTENCODING_DEFAULT )
 251     {
 252         encoding = wxFont::GetDefaultEncoding();
 253     }
 254
 255     switch ( encoding )
 256     {
 257         case wxFONTENCODING_ISO8859_1:
 258         case wxFONTENCODING_ISO8859_2:
 259         case wxFONTENCODING_ISO8859_3:
 260         case wxFONTENCODING_ISO8859_4:
 261         case wxFONTENCODING_ISO8859_5:
 262         case wxFONTENCODING_ISO8859_6:
 263         case wxFONTENCODING_ISO8859_7:
 264         case wxFONTENCODING_ISO8859_8:
 265         case wxFONTENCODING_ISO8859_9:
 266         case wxFONTENCODING_ISO8859_10:
 267         case wxFONTENCODING_ISO8859_11:
 268         case wxFONTENCODING_ISO8859_12:
 269         case wxFONTENCODING_ISO8859_13:
 270         case wxFONTENCODING_ISO8859_14:
 271         case wxFONTENCODING_ISO8859_15:
 272             {
 273                 int cp = encoding - wxFONTENCODING_ISO8859_1 + 1;
 274                 info->xregistry = wxT("iso8859");
 275                 info->xencoding.Printf(wxT("%d"), cp);
 276             }
 277             break;
 278
 279         case wxFONTENCODING_UTF8:
 280             info->xregistry = wxT("iso10646");
 281             info->xencoding = wxT("*");
 282             break;
 283
 284         case wxFONTENCODING_KOI8:
 285             info->xregistry = wxT("koi8");
 286
 287             // we don't make distinction between koi8-r, koi8-u and koi8-ru (so far)
 288             info->xencoding = wxT("*");
 289             break;
 290
 291         case wxFONTENCODING_CP1250:
 292         case wxFONTENCODING_CP1251:
 293         case wxFONTENCODING_CP1252:
 294         case wxFONTENCODING_CP1253:
 295         case wxFONTENCODING_CP1254:
 296         case wxFONTENCODING_CP1255:
 297         case wxFONTENCODING_CP1256:
 298         case wxFONTENCODING_CP1257:
 299             {
 300                 int cp = encoding - wxFONTENCODING_CP1250 + 1250;
 301                 info->xregistry = wxT("microsoft");
 302                 info->xencoding.Printf(wxT("cp%d"), cp);
 303             }
 304             break;
 305
 306         case wxFONTENCODING_SYSTEM:
 307             info->xregistry =
 308             info->xencoding = wxT("*");
 309             break;
 310
 311         default:
 312             // don't know how to translate this encoding into X fontspec
 313             return FALSE;
 314     }
 315
 316     info->encoding = encoding;
 317
 318     return TRUE;
 319 }
 320
 321 bool wxTestFontEncoding(const wxNativeEncodingInfo& info)
 322 {
 323     wxString fontspec;
 324     fontspec.Printf(_T("-*-%s-*-*-*-*-*-*-*-*-*-*-%s-%s"),
 325                     !info.facename ? _T("*") : info.facename.c_str(),
 326                     info.xregistry.c_str(),
 327                     info.xencoding.c_str());
 328
 329     return wxTestFontSpec(fontspec);
 330 }
 331
 332 // ----------------------------------------------------------------------------
 333 // X-specific functions
 334 // ----------------------------------------------------------------------------
 335
 336 wxNativeFont wxLoadQueryNearestFont(int pointSize,
 337                                     int family,
 338                                     int style,
 339                                     int weight,
 340                                     bool underlined,
 341                                     const wxString &facename,
 342                                     wxFontEncoding encoding,
 343                                     wxString* xFontName)
 344 {
 345     if ( encoding == wxFONTENCODING_DEFAULT )
 346     {
 347         encoding = wxFont::GetDefaultEncoding();
 348     }
 349
 350     // first determine the encoding - if the font doesn't exist at all in this
 351     // encoding, it's useless to do all other approximations (i.e. size,
 352     // family &c don't matter much)
 353     wxNativeEncodingInfo info;
 354     if ( encoding == wxFONTENCODING_SYSTEM )
 355     {
 356         // This will always work so we don't test to save time
 357         wxGetNativeFontEncoding(wxFONTENCODING_SYSTEM, &info);
 358     }
 359     else
 360     {
 361         if ( !wxGetNativeFontEncoding(encoding, &info) ||
 362              !wxTestFontEncoding(info) )
 363         {
 364 #if wxUSE_FONTMAP
 365             if ( !wxTheFontMapper->GetAltForEncoding(encoding, &info) )
 366 #endif // wxUSE_FONTMAP
 367             {
 368                 // unspported encoding - replace it with the default
 369                 //
 370                 // NB: we can't just return 0 from here because wxGTK code doesn't
 371                 //     check for it (i.e. it supposes that we'll always succeed),
 372                 //     so it would provoke a crash
 373                 wxGetNativeFontEncoding(wxFONTENCODING_SYSTEM, &info);
 374             }
 375         }
 376     }
 377
 378     // OK, we have the correct xregistry/xencoding in info structure
 379     wxNativeFont font = 0;
 380
 381     // if we already have the X font name, try to use it
 382     if( xFontName && !xFontName->IsEmpty() )
 383     {
 384         //
 385         //  Make sure point size is correct for scale factor.
 386         //
 387         wxStringTokenizer tokenizer(*xFontName, _T("-"), wxTOKEN_RET_DELIMS);
 388         wxString newFontName;
 389
 390         for(int i = 0; i < 8; i++)
 391           newFontName += tokenizer.NextToken();
 392
 393         (void) tokenizer.NextToken();
 394
 395         newFontName += wxString::Format("%d-", pointSize);
 396
 397         while(tokenizer.HasMoreTokens())
 398           newFontName += tokenizer.GetNextToken();
 399
 400         font = wxLoadFont(newFontName);
 401
 402         if(font)
 403           *xFontName = newFontName;
 404     }
 405
 406     // try to load exactly the font requested first
 407     if( !font )
 408     {
 409         font = wxLoadQueryFont( pointSize, family, style, weight,
 410                                 underlined, facename,
 411                                 info.xregistry, info.xencoding,
 412                                 xFontName );
 413     }
 414
 415     if ( !font )
 416     {
 417         // search up and down by stepsize 10
 418         int max_size = pointSize + 20 * (1 + (pointSize/180));
 419         int min_size = pointSize - 20 * (1 + (pointSize/180));
 420
 421         int i;
 422
 423         // Search for smaller size (approx.)
 424         for ( i = pointSize - 10; !font && i >= 10 && i >= min_size; i -= 10 )
 425         {
 426             font = wxLoadQueryFont(i, family, style, weight, underlined,
 427                                    facename, info.xregistry, info.xencoding,
 428                                    xFontName);
 429         }
 430
 431         // Search for larger size (approx.)
 432         for ( i = pointSize + 10; !font && i <= max_size; i += 10 )
 433         {
 434             font = wxLoadQueryFont(i, family, style, weight, underlined,
 435                                    facename, info.xregistry, info.xencoding,
 436                                    xFontName);
 437         }
 438
 439         // Try default family
 440         if ( !font && family != wxDEFAULT )
 441         {
 442             font = wxLoadQueryFont(pointSize, wxDEFAULT, style, weight,
 443                                    underlined, facename,
 444                                    info.xregistry, info.xencoding,
 445                                    xFontName );
 446         }
 447
 448         // ignore size, family, style and weight but try to find font with the
 449         // given facename and encoding
 450         if ( !font )
 451         {
 452             font = wxLoadQueryFont(120, wxDEFAULT, wxNORMAL, wxNORMAL,
 453                                    underlined, facename,
 454                                    info.xregistry, info.xencoding,
 455                                    xFontName);
 456
 457             // ignore family as well
 458             if ( !font )
 459             {
 460                 font = wxLoadQueryFont(120, wxDEFAULT, wxNORMAL, wxNORMAL,
 461                                        underlined, wxEmptyString,
 462                                        info.xregistry, info.xencoding,
 463                                        xFontName);
 464
 465                 // if it still failed, try to get the font of any size but
 466                 // with the requested encoding: this can happen if the
 467                 // encoding is only available in one size which happens to be
 468                 // different from 120
 469                 if ( !font )
 470                 {
 471                     font = wxLoadQueryFont(-1, wxDEFAULT, wxNORMAL, wxNORMAL,
 472                                            FALSE, wxEmptyString,
 473                                            info.xregistry, info.xencoding,
 474                                            xFontName);
 475
 476                     // this should never happen as we had tested for it in the
 477                     // very beginning, but if it does, do return something non
 478                     // NULL or we'd crash in wxFont code
 479                     if ( !font )
 480                     {
 481                         wxFAIL_MSG( _T("this encoding should be available!") );
 482
 483                         font = wxLoadQueryFont(-1,
 484                                                wxDEFAULT, wxNORMAL, wxNORMAL,
 485                                                FALSE, wxEmptyString,
 486                                                _T("*"), _T("*"),
 487                                                xFontName);
 488                     }
 489                 }
 490             }
 491         }
 492     }
 493
 494     return font;
 495 }
 496
 497 // ----------------------------------------------------------------------------
 498 // private functions
 499 // ----------------------------------------------------------------------------
 500
 501 // returns TRUE if there are any fonts matching this font spec
 502 static bool wxTestFontSpec(const wxString& fontspec)
 503 {
 504     // some X servers will fail to load this font because there are too many
 505     // matches so we must test explicitly for this
 506     if ( fontspec == _T("-*-*-*-*-*-*-*-*-*-*-*-*-*-*") )
 507     {
 508         return TRUE;
 509     }
 510
 511     wxNativeFont test = (wxNativeFont) g_fontHash->Get( fontspec );
 512     if (test)
 513     {
 514         return TRUE;
 515     }
 516
 517     test = wxLoadFont(fontspec);
 518     g_fontHash->Put( fontspec, (wxObject*) test );
 519
 520     if ( test )
 521     {
 522         wxFreeFont(test);
 523
 524         return TRUE;
 525     }
 526     else
 527     {
 528         return FALSE;
 529     }
 530 }
 531
 532 static wxNativeFont wxLoadQueryFont(int pointSize,
 533                                     int family,
 534                                     int style,
 535                                     int weight,
 536                                     bool WXUNUSED(underlined),
 537                                     const wxString& facename,
 538                                     const wxString& xregistry,
 539                                     const wxString& xencoding,
 540                                     wxString* xFontName)
 541 {
 542     wxString xfamily;
 543     switch (family)
 544     {
 545         case wxDECORATIVE: xfamily = wxT("lucida"); break;
 546         case wxROMAN:      xfamily = wxT("times");  break;
 547         case wxMODERN:     xfamily = wxT("courier"); break;
 548         case wxSWISS:      xfamily = wxT("helvetica"); break;
 549         case wxTELETYPE:   xfamily = wxT("lucidatypewriter"); break;
 550         case wxSCRIPT:     xfamily = wxT("utopia"); break;
 551         default:           xfamily = wxT("*");
 552     }
 553
 554     wxString fontSpec;
 555     if (!facename.IsEmpty())
 556     {
 557         fontSpec.Printf(wxT("-*-%s-*-*-normal-*-*-*-*-*-*-*-*-*"),
 558                         facename.c_str());
 559
 560         if ( wxTestFontSpec(fontSpec) )
 561         {
 562             xfamily = facename;
 563         }
 564         //else: no such family, use default one instead
 565     }
 566
 567     wxString xstyle;
 568     switch (style)
 569     {
 570         case wxSLANT:
 571             fontSpec.Printf(wxT("-*-%s-*-o-*-*-*-*-*-*-*-*-*-*"),
 572                     xfamily.c_str());
 573             if ( wxTestFontSpec(fontSpec) )
 574             {
 575                 xstyle = wxT("o");
 576                 break;
 577             }
 578             // fall through - try wxITALIC now
 579
 580         case wxITALIC:
 581             fontSpec.Printf(wxT("-*-%s-*-i-*-*-*-*-*-*-*-*-*-*"),
 582                     xfamily.c_str());
 583             if ( wxTestFontSpec(fontSpec) )
 584             {
 585                 xstyle = wxT("i");
 586             }
 587             else if ( style == wxITALIC ) // and not wxSLANT
 588             {
 589                 // try wxSLANT
 590                 fontSpec.Printf(wxT("-*-%s-*-o-*-*-*-*-*-*-*-*-*-*"),
 591                         xfamily.c_str());
 592                 if ( wxTestFontSpec(fontSpec) )
 593                 {
 594                     xstyle = wxT("o");
 595                 }
 596                 else
 597                 {
 598                     // no italic, no slant - leave default
 599                     xstyle = wxT("*");
 600                 }
 601             }
 602             break;
 603
 604         default:
 605             wxFAIL_MSG(_T("unknown font style"));
 606             // fall back to normal
 607
 608         case wxNORMAL:
 609             xstyle = wxT("r");
 610             break;
 611     }
 612
 613     wxString xweight;
 614     switch (weight)
 615     {
 616          case wxBOLD:
 617              {
 618                   fontSpec.Printf(wxT("-*-%s-bold-*-*-*-*-*-*-*-*-*-*-*"),
 619                          xfamily.c_str());
 620                   if ( wxTestFontSpec(fontSpec) )
 621                   {
 622                        xweight = wxT("bold");
 623                        break;
 624                   }
 625                   fontSpec.Printf(wxT("-*-%s-heavy-*-*-*-*-*-*-*-*-*-*-*"),
 626                          xfamily.c_str());
 627                   if ( wxTestFontSpec(fontSpec) )
 628                   {
 629                        xweight = wxT("heavy");
 630                        break;
 631                   }
 632                   fontSpec.Printf(wxT("-*-%s-extrabold-*-*-*-*-*-*-*-*-*-*-*"),
 633                          xfamily.c_str());
 634                   if ( wxTestFontSpec(fontSpec) )
 635                   {
 636                       xweight = wxT("extrabold");
 637                       break;
 638                   }
 639                   fontSpec.Printf(wxT("-*-%s-demibold-*-*-*-*-*-*-*-*-*-*-*"),
 640                          xfamily.c_str());
 641                   if ( wxTestFontSpec(fontSpec) )
 642                   {
 643                       xweight = wxT("demibold");
 644                       break;
 645                   }
 646                   fontSpec.Printf(wxT("-*-%s-black-*-*-*-*-*-*-*-*-*-*-*"),
 647                          xfamily.c_str());
 648                   if ( wxTestFontSpec(fontSpec) )
 649                   {
 650                       xweight = wxT("black");
 651                       break;
 652                   }
 653                   fontSpec.Printf(wxT("-*-%s-ultrablack-*-*-*-*-*-*-*-*-*-*-*"),
 654                          xfamily.c_str());
 655                   if ( wxTestFontSpec(fontSpec) )
 656                   {
 657                       xweight = wxT("ultrablack");
 658                       break;
 659                   }
 660               }
 661               break;
 662         case wxLIGHT:
 663              {
 664                   fontSpec.Printf(wxT("-*-%s-light-*-*-*-*-*-*-*-*-*-*-*"),
 665                          xfamily.c_str());
 666                   if ( wxTestFontSpec(fontSpec) )
 667                   {
 668                        xweight = wxT("light");
 669                        break;
 670                   }
 671                   fontSpec.Printf(wxT("-*-%s-thin-*-*-*-*-*-*-*-*-*-*-*"),
 672                          xfamily.c_str());
 673                   if ( wxTestFontSpec(fontSpec) )
 674                   {
 675                        xweight = wxT("thin");
 676                        break;
 677                   }
 678              }
 679              break;
 680          case wxNORMAL:
 681              {
 682                   fontSpec.Printf(wxT("-*-%s-medium-*-*-*-*-*-*-*-*-*-*-*"),
 683                          xfamily.c_str());
 684                   if ( wxTestFontSpec(fontSpec) )
 685                   {
 686                        xweight = wxT("medium");
 687                        break;
 688                   }
 689                   fontSpec.Printf(wxT("-*-%s-normal-*-*-*-*-*-*-*-*-*-*-*"),
 690                          xfamily.c_str());
 691                   if ( wxTestFontSpec(fontSpec) )
 692                   {
 693                        xweight = wxT("normal");
 694                        break;
 695                   }
 696                   fontSpec.Printf(wxT("-*-%s-regular-*-*-*-*-*-*-*-*-*-*-*"),
 697                          xfamily.c_str());
 698                   if ( wxTestFontSpec(fontSpec) )
 699                   {
 700                       xweight = wxT("regular");
 701                       break;
 702                   }
 703                   xweight = wxT("*");
 704               }
 705               break;
 706         default:           xweight = wxT("*"); break;
 707     }
 708
 709     // if pointSize is -1, don't specify any
 710     wxString sizeSpec;
 711     if ( fontSpec == -1 )
 712     {
 713         sizeSpec = _T('*');
 714     }
 715     else
 716     {
 717         sizeSpec.Printf(_T("%d"), pointSize);
 718     }
 719
 720     // construct the X font spec from our data
 721     fontSpec.Printf(wxT("-*-%s-%s-%s-normal-*-*-%s-*-*-*-*-%s-%s"),
 722                     xfamily.c_str(), xweight.c_str(), xstyle.c_str(),
 723                     sizeSpec.c_str(), xregistry.c_str(), xencoding.c_str());
 724
 725     if( xFontName )
 726         *xFontName = fontSpec;
 727
 728     return wxLoadFont(fontSpec);
 729 }
 730
 731 // ----------------------------------------------------------------------------
 732 // wxFontModule
 733 // ----------------------------------------------------------------------------
 734
 735 class wxFontModule : public wxModule
 736 {
 737 public:
 738     bool OnInit();
 739     void OnExit();
 740
 741 private:
 742     DECLARE_DYNAMIC_CLASS(wxFontModule)
 743 };
 744
 745 IMPLEMENT_DYNAMIC_CLASS(wxFontModule, wxModule)
 746
 747 bool wxFontModule::OnInit()
 748 {
 749     g_fontHash = new wxHashTable( wxKEY_STRING );
 750
 751     return TRUE;
 752 }
 753
 754 void wxFontModule::OnExit()
 755 {
 756     delete g_fontHash;
 757
 758     g_fontHash = (wxHashTable *)NULL;
 759 }