src/msw/font.cpp

   1 /////////////////////////////////////////////////////////////////////////////
   2 // Name:        src/msw/font.cpp
   3 // Purpose:     wxFont class
   4 // Author:      Julian Smart
   5 // Modified by:
   6 // Created:     01/02/97
   7 // RCS-ID:      $Id$
   8 // Copyright:   (c) wxWindows team
   9 // Licence:     wxWindows licence
  10 /////////////////////////////////////////////////////////////////////////////
  11
  12 // ============================================================================
  13 // declarations
  14 // ============================================================================
  15
  16 // ----------------------------------------------------------------------------
  17 // headers
  18 // ----------------------------------------------------------------------------
  19
  20 #ifdef __GNUG__
  21     #pragma implementation "font.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     #include "wx/setup.h"
  33     #include "wx/list.h"
  34     #include "wx/utils.h"
  35     #include "wx/app.h"
  36     #include "wx/font.h"
  37     #include "wx/log.h"
  38 #endif // WX_PRECOMP
  39
  40 #include "wx/msw/private.h"
  41
  42 #include "wx/fontutil.h"
  43 #include "wx/fontmap.h"
  44
  45 #include "wx/tokenzr.h"
  46
  47 IMPLEMENT_DYNAMIC_CLASS(wxFont, wxGDIObject)
  48
  49 // ----------------------------------------------------------------------------
  50 // constants
  51 // ----------------------------------------------------------------------------
  52
  53 // the mask used to extract the pitch from LOGFONT::lfPitchAndFamily field
  54 static const int PITCH_MASK = FIXED_PITCH | VARIABLE_PITCH;
  55
  56 // ----------------------------------------------------------------------------
  57 // wxFontRefData - the internal description of the font
  58 // ----------------------------------------------------------------------------
  59
  60 class WXDLLEXPORT wxFontRefData: public wxGDIRefData
  61 {
  62 public:
  63     // constructors
  64     wxFontRefData()
  65     {
  66         Init(-1, wxFONTFAMILY_DEFAULT, wxFONTSTYLE_NORMAL, wxFONTWEIGHT_NORMAL,
  67              FALSE, _T(""), wxFONTENCODING_DEFAULT);
  68     }
  69
  70     wxFontRefData(int size,
  71                   int family,
  72                   int style,
  73                   int weight,
  74                   bool underlined,
  75                   const wxString& faceName,
  76                   wxFontEncoding encoding)
  77     {
  78         Init(size, family, style, weight, underlined, faceName, encoding);
  79     }
  80
  81     wxFontRefData(const wxNativeFontInfo& info, WXHFONT hFont = 0)
  82     {
  83         Init(info, hFont);
  84     }
  85
  86     wxFontRefData(const wxFontRefData& data)
  87     {
  88         if ( data.m_nativeFontInfoOk )
  89         {
  90             Init(data.m_nativeFontInfo);
  91         }
  92         else
  93         {
  94             Init(data.m_pointSize, data.m_family, data.m_style, data.m_weight,
  95                  data.m_underlined, data.m_faceName, data.m_encoding);
  96         }
  97     }
  98
  99     virtual ~wxFontRefData();
 100
 101     // operations
 102     bool Alloc(wxFont *font);
 103
 104     void Free();
 105
 106     // all wxFont accessors
 107     int GetPointSize() const
 108     {
 109         return m_nativeFontInfoOk ? m_nativeFontInfo.GetPointSize()
 110                                   : m_pointSize;
 111     }
 112
 113     int GetFamily() const
 114     {
 115         return m_family;
 116     }
 117
 118     int GetStyle() const
 119     {
 120         return m_nativeFontInfoOk ? m_nativeFontInfo.GetStyle()
 121                                   : m_style;
 122     }
 123
 124     int GetWeight() const
 125     {
 126         return m_nativeFontInfoOk ? m_nativeFontInfo.GetWeight()
 127                                   : m_weight;
 128     }
 129
 130     bool GetUnderlined() const
 131     {
 132         return m_nativeFontInfoOk ? m_nativeFontInfo.GetUnderlined()
 133                                   : m_underlined;
 134     }
 135
 136     wxString GetFaceName() const
 137     {
 138         wxString s;
 139         if ( m_nativeFontInfoOk )
 140             s = m_nativeFontInfo.GetFaceName();
 141         else
 142             s = m_faceName;
 143
 144         return s;
 145     }
 146
 147     wxFontEncoding GetEncoding() const
 148     {
 149         return m_nativeFontInfoOk ? m_nativeFontInfo.GetEncoding()
 150                                   : m_encoding;
 151     }
 152
 153     WXHFONT GetHFONT() const { return m_hFont; }
 154
 155     // ... and setters
 156     void SetPointSize(int pointSize)
 157     {
 158         if ( m_nativeFontInfoOk )
 159             m_nativeFontInfo.SetPointSize(pointSize);
 160         else
 161             m_pointSize = pointSize;
 162     }
 163
 164     void SetFamily(int family)
 165     {
 166         m_family = family;
 167     }
 168
 169     void SetStyle(int style)
 170     {
 171         if ( m_nativeFontInfoOk )
 172             m_nativeFontInfo.SetStyle((wxFontStyle)style);
 173         else
 174             m_style = style;
 175     }
 176
 177     void SetWeight(int weight)
 178     {
 179         if ( m_nativeFontInfoOk )
 180             m_nativeFontInfo.SetWeight((wxFontWeight)weight);
 181         else
 182             m_weight = weight;
 183     }
 184
 185     void SetFaceName(const wxString& faceName)
 186     {
 187         if ( m_nativeFontInfoOk )
 188             m_nativeFontInfo.SetFaceName(faceName);
 189         else
 190             m_faceName = faceName;
 191     }
 192
 193     void SetUnderlined(bool underlined)
 194     {
 195         if ( m_nativeFontInfoOk )
 196             m_nativeFontInfo.SetUnderlined(underlined);
 197         else
 198             m_underlined = underlined;
 199     }
 200
 201     void SetEncoding(wxFontEncoding encoding)
 202     {
 203         if ( m_nativeFontInfoOk )
 204             m_nativeFontInfo.SetEncoding(encoding);
 205         else
 206             m_encoding = encoding;
 207     }
 208
 209     // native font info tests
 210     bool HasNativeFontInfo() const { return m_nativeFontInfoOk; }
 211
 212     const wxNativeFontInfo& GetNativeFontInfo() const
 213         { return m_nativeFontInfo; }
 214
 215 protected:
 216     // common part of all ctors
 217     void Init(int size,
 218               int family,
 219               int style,
 220               int weight,
 221               bool underlined,
 222               const wxString& faceName,
 223               wxFontEncoding encoding);
 224
 225     void Init(const wxNativeFontInfo& info, WXHFONT hFont = 0);
 226
 227     // font characterstics
 228     int           m_pointSize;
 229     int           m_family;
 230     int           m_style;
 231     int           m_weight;
 232     bool          m_underlined;
 233     wxString      m_faceName;
 234     wxFontEncoding m_encoding;
 235
 236     // Windows font handle
 237     WXHFONT       m_hFont;
 238
 239     // Native font info
 240     wxNativeFontInfo m_nativeFontInfo;
 241     bool             m_nativeFontInfoOk;
 242 };
 243
 244 // ============================================================================
 245 // implementation
 246 // ============================================================================
 247
 248 // ----------------------------------------------------------------------------
 249 // wxFontRefData
 250 // ----------------------------------------------------------------------------
 251
 252 void wxFontRefData::Init(int pointSize,
 253                          int family,
 254                          int style,
 255                          int weight,
 256                          bool underlined,
 257                          const wxString& faceName,
 258                          wxFontEncoding encoding)
 259 {
 260     m_style = style;
 261     m_pointSize = pointSize == -1 ? wxNORMAL_FONT->GetPointSize() : pointSize;
 262     m_family = family;
 263     m_style = style;
 264     m_weight = weight;
 265     m_underlined = underlined;
 266     m_faceName = faceName;
 267     m_encoding = encoding;
 268
 269     m_hFont = 0;
 270
 271     m_nativeFontInfoOk = FALSE;
 272 }
 273
 274 void wxFontRefData::Init(const wxNativeFontInfo& info, WXHFONT hFont)
 275 {
 276     // hFont may be zero, or it be passed in case we really want to
 277     // use the exact font created in the underlying system
 278     // (for example where we can't guarantee conversion from HFONT
 279     // to LOGFONT back to HFONT)
 280     m_hFont = hFont;
 281
 282     m_nativeFontInfoOk = TRUE;
 283     m_nativeFontInfo = info;
 284     // This is the best we can do since we don't have the
 285     // correct information at this point.
 286     m_family = wxSWISS;
 287 }
 288
 289 wxFontRefData::~wxFontRefData()
 290 {
 291     Free();
 292 }
 293
 294 bool wxFontRefData::Alloc(wxFont *font)
 295 {
 296     if ( !m_nativeFontInfoOk )
 297     {
 298         wxFillLogFont(&m_nativeFontInfo.lf, font);
 299         m_nativeFontInfoOk = TRUE;
 300     }
 301
 302     HFONT hfont = ::CreateFontIndirect(&m_nativeFontInfo.lf);
 303     if ( !hfont )
 304     {
 305         wxLogLastError(wxT("CreateFont"));
 306
 307         return FALSE;
 308     }
 309
 310     m_hFont = (WXHFONT)hfont;
 311
 312     return TRUE;
 313 }
 314
 315 void wxFontRefData::Free()
 316 {
 317     if ( m_hFont )
 318     {
 319         if ( !::DeleteObject((HFONT) m_hFont) )
 320         {
 321             wxLogLastError(wxT("DeleteObject(font)"));
 322         }
 323
 324         m_hFont = 0;
 325     }
 326 }
 327
 328 // ----------------------------------------------------------------------------
 329 // wxNativeFontInfo
 330 // ----------------------------------------------------------------------------
 331
 332 void wxNativeFontInfo::Init()
 333 {
 334     wxZeroMemory(lf);
 335 }
 336
 337 int wxNativeFontInfo::GetPointSize() const
 338 {
 339     // FIXME: using the screen here results in incorrect font size calculation
 340     //        for printing!
 341     const int ppInch = ::GetDeviceCaps(ScreenHDC(), LOGPIXELSY);
 342
 343     return (int) (((72.0*(double)abs(lf.lfHeight)) / (double) ppInch) + 0.5);
 344 }
 345
 346 wxFontStyle wxNativeFontInfo::GetStyle() const
 347 {
 348     return lf.lfItalic ? wxFONTSTYLE_ITALIC : wxFONTSTYLE_NORMAL;
 349 }
 350
 351 wxFontWeight wxNativeFontInfo::GetWeight() const
 352 {
 353     if ( lf.lfWeight <= 300 )
 354         return wxFONTWEIGHT_LIGHT;
 355
 356     if ( lf.lfWeight >= 600 )
 357         return wxFONTWEIGHT_BOLD;
 358
 359     return wxFONTWEIGHT_NORMAL;
 360 }
 361
 362 bool wxNativeFontInfo::GetUnderlined() const
 363 {
 364     return lf.lfUnderline != 0;
 365 }
 366
 367 wxString wxNativeFontInfo::GetFaceName() const
 368 {
 369     return lf.lfFaceName;
 370 }
 371
 372 wxFontFamily wxNativeFontInfo::GetFamily() const
 373 {
 374     wxFontFamily family;
 375
 376     // extract family from pitch-and-family
 377     switch ( lf.lfPitchAndFamily & ~PITCH_MASK )
 378     {
 379         case FF_ROMAN:
 380             family = wxFONTFAMILY_ROMAN;
 381             break;
 382
 383         default:
 384             wxFAIL_MSG( _T("unknown LOGFONT::lfFamily value") );
 385             // fall through
 386
 387         case FF_SWISS:
 388             family = wxFONTFAMILY_SWISS;
 389             break;
 390
 391         case FF_SCRIPT:
 392             family = wxFONTFAMILY_SCRIPT;
 393             break;
 394
 395         case FF_MODERN:
 396             family = wxFONTFAMILY_MODERN;
 397             break;
 398
 399         case FF_DECORATIVE:
 400             family = wxFONTFAMILY_DECORATIVE;
 401             break;
 402     }
 403
 404     return family;
 405 }
 406
 407 wxFontEncoding wxNativeFontInfo::GetEncoding() const
 408 {
 409     return wxGetFontEncFromCharSet(lf.lfCharSet);
 410 }
 411
 412 void wxNativeFontInfo::SetPointSize(int pointsize)
 413 {
 414 #if wxFONT_SIZE_COMPATIBILITY
 415     // Incorrect, but compatible with old wxWindows behaviour
 416     lf.lfHeight = (pointSize*ppInch)/72;
 417 #else // wxFONT_SIZE_COMPATIBILITY
 418     // FIXME: using the screen here results in incorrect font size calculation
 419     //        for printing!
 420     const int ppInch = ::GetDeviceCaps(ScreenHDC(), LOGPIXELSY);
 421
 422     lf.lfHeight = -(int)((pointsize*((double)ppInch)/72.0) + 0.5);
 423 #endif // wxFONT_SIZE_COMPATIBILITY/!wxFONT_SIZE_COMPATIBILITY
 424 }
 425
 426 void wxNativeFontInfo::SetStyle(wxFontStyle style)
 427 {
 428     switch ( style )
 429     {
 430         default:
 431             wxFAIL_MSG( _T("unknown font style") );
 432             // fall through
 433
 434         case wxFONTSTYLE_NORMAL:
 435             lf.lfItalic = FALSE;
 436             break;
 437
 438         case wxFONTSTYLE_ITALIC:
 439         case wxFONTSTYLE_SLANT:
 440             lf.lfItalic = TRUE;
 441             break;
 442     }
 443 }
 444
 445 void wxNativeFontInfo::SetWeight(wxFontWeight weight)
 446 {
 447     switch ( weight )
 448     {
 449         default:
 450             wxFAIL_MSG( _T("unknown font weight") );
 451             // fall through
 452
 453         case wxFONTWEIGHT_NORMAL:
 454             lf.lfWeight = FW_NORMAL;
 455             break;
 456
 457         case wxFONTWEIGHT_LIGHT:
 458             lf.lfWeight = FW_LIGHT;
 459             break;
 460
 461         case wxFONTWEIGHT_BOLD:
 462             lf.lfWeight = FW_BOLD;
 463             break;
 464     }
 465 }
 466
 467 void wxNativeFontInfo::SetUnderlined(bool underlined)
 468 {
 469     lf.lfUnderline = underlined;
 470 }
 471
 472 void wxNativeFontInfo::SetFaceName(wxString facename)
 473 {
 474     wxStrncpy(lf.lfFaceName, facename, WXSIZEOF(lf.lfFaceName));
 475 }
 476
 477 void wxNativeFontInfo::SetFamily(wxFontFamily family)
 478 {
 479     int ff_family;
 480     wxString facename;
 481
 482     switch ( family )
 483     {
 484         case wxSCRIPT:
 485             ff_family = FF_SCRIPT;
 486             facename = _T("Script");
 487             break;
 488
 489         case wxDECORATIVE:
 490             ff_family = FF_DECORATIVE;
 491             facename = _T("Old English Text MT");
 492             break;
 493
 494         case wxROMAN:
 495             ff_family = FF_ROMAN;
 496             facename = _T("Times New Roman");
 497             break;
 498
 499         case wxTELETYPE:
 500         case wxMODERN:
 501             ff_family = FF_MODERN;
 502             facename = _T("Courier New");
 503             break;
 504
 505         case wxSWISS:
 506             ff_family = FF_SWISS;
 507             facename = _T("Arial");
 508             break;
 509
 510         case wxDEFAULT:
 511         default:
 512             ff_family = FF_SWISS;
 513             facename = _T("MS Sans Serif");
 514     }
 515
 516     lf.lfPitchAndFamily = DEFAULT_PITCH | ff_family;
 517
 518     if ( !wxStrlen(lf.lfFaceName) )
 519     {
 520         SetFaceName(facename);
 521     }
 522 }
 523
 524 void wxNativeFontInfo::SetEncoding(wxFontEncoding encoding)
 525 {
 526     wxNativeEncodingInfo info;
 527     if ( !wxGetNativeFontEncoding(encoding, &info) )
 528     {
 529 #if wxUSE_FONTMAP
 530         if ( wxFontMapper::Get()->GetAltForEncoding(encoding, &info) )
 531         {
 532             if ( !info.facename.empty() )
 533             {
 534                 // if we have this encoding only in some particular facename, use
 535                 // the facename - it is better to show the correct characters in a
 536                 // wrong facename than unreadable text in a correct one
 537                 SetFaceName(info.facename);
 538             }
 539         }
 540         else
 541 #endif // wxUSE_FONTMAP
 542         {
 543             // unsupported encoding, replace with the default
 544             info.charset = DEFAULT_CHARSET;
 545         }
 546     }
 547
 548     lf.lfCharSet = info.charset;
 549 }
 550
 551 bool wxNativeFontInfo::FromString(const wxString& s)
 552 {
 553     long l;
 554
 555     wxStringTokenizer tokenizer(s, _T(";"));
 556
 557     // first the version
 558     wxString token = tokenizer.GetNextToken();
 559     if ( token != _T('0') )
 560         return FALSE;
 561
 562     token = tokenizer.GetNextToken();
 563     if ( !token.ToLong(&l) )
 564         return FALSE;
 565     lf.lfHeight = l;
 566
 567     token = tokenizer.GetNextToken();
 568     if ( !token.ToLong(&l) )
 569         return FALSE;
 570     lf.lfWidth = l;
 571
 572     token = tokenizer.GetNextToken();
 573     if ( !token.ToLong(&l) )
 574         return FALSE;
 575     lf.lfEscapement = l;
 576
 577     token = tokenizer.GetNextToken();
 578     if ( !token.ToLong(&l) )
 579         return FALSE;
 580     lf.lfOrientation = l;
 581
 582     token = tokenizer.GetNextToken();
 583     if ( !token.ToLong(&l) )
 584         return FALSE;
 585     lf.lfWeight = l;
 586
 587     token = tokenizer.GetNextToken();
 588     if ( !token.ToLong(&l) )
 589         return FALSE;
 590     lf.lfItalic = (BYTE)l;
 591
 592     token = tokenizer.GetNextToken();
 593     if ( !token.ToLong(&l) )
 594         return FALSE;
 595     lf.lfUnderline = (BYTE)l;
 596
 597     token = tokenizer.GetNextToken();
 598     if ( !token.ToLong(&l) )
 599         return FALSE;
 600     lf.lfStrikeOut = (BYTE)l;
 601
 602     token = tokenizer.GetNextToken();
 603     if ( !token.ToLong(&l) )
 604         return FALSE;
 605     lf.lfCharSet = (BYTE)l;
 606
 607     token = tokenizer.GetNextToken();
 608     if ( !token.ToLong(&l) )
 609         return FALSE;
 610     lf.lfOutPrecision = (BYTE)l;
 611
 612     token = tokenizer.GetNextToken();
 613     if ( !token.ToLong(&l) )
 614         return FALSE;
 615     lf.lfClipPrecision = (BYTE)l;
 616
 617     token = tokenizer.GetNextToken();
 618     if ( !token.ToLong(&l) )
 619         return FALSE;
 620     lf.lfQuality = (BYTE)l;
 621
 622     token = tokenizer.GetNextToken();
 623     if ( !token.ToLong(&l) )
 624         return FALSE;
 625     lf.lfPitchAndFamily = (BYTE)l;
 626
 627     token = tokenizer.GetNextToken();
 628     if(!token)
 629         return FALSE;
 630     wxStrcpy(lf.lfFaceName, token.c_str());
 631
 632     return TRUE;
 633 }
 634
 635 wxString wxNativeFontInfo::ToString() const
 636 {
 637     wxString s;
 638
 639     s.Printf(_T("%d;%ld;%ld;%ld;%ld;%ld;%d;%d;%d;%d;%d;%d;%d;%d;%s"),
 640              0, // version, in case we want to change the format later
 641              lf.lfHeight,
 642              lf.lfWidth,
 643              lf.lfEscapement,
 644              lf.lfOrientation,
 645              lf.lfWeight,
 646              lf.lfItalic,
 647              lf.lfUnderline,
 648              lf.lfStrikeOut,
 649              lf.lfCharSet,
 650              lf.lfOutPrecision,
 651              lf.lfClipPrecision,
 652              lf.lfQuality,
 653              lf.lfPitchAndFamily,
 654              lf.lfFaceName);
 655
 656     return s;
 657 }
 658
 659 // ----------------------------------------------------------------------------
 660 // wxFont
 661 // ----------------------------------------------------------------------------
 662
 663 void wxFont::Init()
 664 {
 665 }
 666
 667 bool wxFont::Create(const wxNativeFontInfo& info, WXHFONT hFont)
 668 {
 669     UnRef();
 670
 671     m_refData = new wxFontRefData(info, hFont);
 672
 673     RealizeResource();
 674
 675     return TRUE;
 676 }
 677
 678 wxFont::wxFont(const wxString& fontdesc)
 679 {
 680     wxNativeFontInfo info;
 681     if ( info.FromString(fontdesc) )
 682         (void)Create(info);
 683 }
 684
 685 /* Constructor for a font. Note that the real construction is done
 686  * in wxDC::SetFont, when information is available about scaling etc.
 687  */
 688 bool wxFont::Create(int pointSize,
 689                     int family,
 690                     int style,
 691                     int weight,
 692                     bool underlined,
 693                     const wxString& faceName,
 694                     wxFontEncoding encoding)
 695 {
 696     UnRef();
 697
 698     // wxDEFAULT is a valid value for the font size too so we must treat it
 699     // specially here (otherwise the size would be 70 == wxDEFAULT value)
 700     if ( pointSize == wxDEFAULT )
 701     {
 702         pointSize = wxNORMAL_FONT->GetPointSize();
 703     }
 704
 705     m_refData = new wxFontRefData(pointSize, family, style, weight,
 706                                   underlined, faceName, encoding);
 707
 708     RealizeResource();
 709
 710     return TRUE;
 711 }
 712
 713 wxFont::~wxFont()
 714 {
 715 }
 716
 717 // ----------------------------------------------------------------------------
 718 // real implementation
 719 // ----------------------------------------------------------------------------
 720
 721 bool wxFont::RealizeResource()
 722 {
 723     if ( GetResourceHandle() )
 724     {
 725         // VZ: the old code returned FALSE in this case, but it doesn't seem
 726         //     to make sense because the font _was_ created
 727         return TRUE;
 728     }
 729
 730     return M_FONTDATA->Alloc(this);
 731 }
 732
 733 bool wxFont::FreeResource(bool WXUNUSED(force))
 734 {
 735     if ( GetResourceHandle() )
 736     {
 737         M_FONTDATA->Free();
 738
 739         return TRUE;
 740     }
 741
 742     return FALSE;
 743 }
 744
 745 WXHANDLE wxFont::GetResourceHandle() const
 746 {
 747     return (WXHANDLE)GetHFONT();
 748 }
 749
 750 WXHFONT wxFont::GetHFONT() const
 751 {
 752     return M_FONTDATA ? M_FONTDATA->GetHFONT() : 0;
 753 }
 754
 755 bool wxFont::IsFree() const
 756 {
 757     return M_FONTDATA && (M_FONTDATA->GetHFONT() == 0);
 758 }
 759
 760 void wxFont::Unshare()
 761 {
 762     // Don't change shared data
 763     if ( !m_refData )
 764     {
 765         m_refData = new wxFontRefData();
 766     }
 767     else
 768     {
 769         wxFontRefData* ref = new wxFontRefData(*M_FONTDATA);
 770         UnRef();
 771         m_refData = ref;
 772     }
 773 }
 774
 775 // ----------------------------------------------------------------------------
 776 // change font attribute: we recreate font when doing it
 777 // ----------------------------------------------------------------------------
 778
 779 void wxFont::SetPointSize(int pointSize)
 780 {
 781     Unshare();
 782
 783     M_FONTDATA->SetPointSize(pointSize);
 784
 785     RealizeResource();
 786 }
 787
 788 void wxFont::SetFamily(int family)
 789 {
 790     Unshare();
 791
 792     M_FONTDATA->SetFamily(family);
 793
 794     RealizeResource();
 795 }
 796
 797 void wxFont::SetStyle(int style)
 798 {
 799     Unshare();
 800
 801     M_FONTDATA->SetStyle(style);
 802
 803     RealizeResource();
 804 }
 805
 806 void wxFont::SetWeight(int weight)
 807 {
 808     Unshare();
 809
 810     M_FONTDATA->SetWeight(weight);
 811
 812     RealizeResource();
 813 }
 814
 815 void wxFont::SetFaceName(const wxString& faceName)
 816 {
 817     Unshare();
 818
 819     M_FONTDATA->SetFaceName(faceName);
 820
 821     RealizeResource();
 822 }
 823
 824 void wxFont::SetUnderlined(bool underlined)
 825 {
 826     Unshare();
 827
 828     M_FONTDATA->SetUnderlined(underlined);
 829
 830     RealizeResource();
 831 }
 832
 833 void wxFont::SetEncoding(wxFontEncoding encoding)
 834 {
 835     Unshare();
 836
 837     M_FONTDATA->SetEncoding(encoding);
 838
 839     RealizeResource();
 840 }
 841
 842 void wxFont::DoSetNativeFontInfo(const wxNativeFontInfo& info)
 843 {
 844     Unshare();
 845
 846     FreeResource();
 847
 848     *M_FONTDATA = wxFontRefData(info);
 849
 850     RealizeResource();
 851 }
 852
 853 // ----------------------------------------------------------------------------
 854 // accessors
 855 // ----------------------------------------------------------------------------
 856
 857 int wxFont::GetPointSize() const
 858 {
 859     wxCHECK_MSG( Ok(), 0, wxT("invalid font") );
 860
 861     return M_FONTDATA->GetPointSize();
 862 }
 863
 864 int wxFont::GetFamily() const
 865 {
 866     wxCHECK_MSG( Ok(), 0, wxT("invalid font") );
 867
 868     return M_FONTDATA->GetFamily();
 869 }
 870
 871 int wxFont::GetStyle() const
 872 {
 873     wxCHECK_MSG( Ok(), 0, wxT("invalid font") );
 874
 875     return M_FONTDATA->GetStyle();
 876 }
 877
 878 int wxFont::GetWeight() const
 879 {
 880     wxCHECK_MSG( Ok(), 0, wxT("invalid font") );
 881
 882     return M_FONTDATA->GetWeight();
 883 }
 884
 885 bool wxFont::GetUnderlined() const
 886 {
 887     wxCHECK_MSG( Ok(), FALSE, wxT("invalid font") );
 888
 889     return M_FONTDATA->GetUnderlined();
 890 }
 891
 892 wxString wxFont::GetFaceName() const
 893 {
 894     wxCHECK_MSG( Ok(), wxT(""), wxT("invalid font") );
 895
 896     return M_FONTDATA->GetFaceName();
 897 }
 898
 899 wxFontEncoding wxFont::GetEncoding() const
 900 {
 901     wxCHECK_MSG( Ok(), wxFONTENCODING_DEFAULT, wxT("invalid font") );
 902
 903     return M_FONTDATA->GetEncoding();
 904 }
 905
 906 wxNativeFontInfo *wxFont::GetNativeFontInfo() const
 907 {
 908     if ( M_FONTDATA->HasNativeFontInfo() )
 909         return new wxNativeFontInfo(M_FONTDATA->GetNativeFontInfo());
 910
 911     return 0;
 912 }
 913
 914 bool wxFont::IsFixedWidth() const
 915 {
 916     if ( M_FONTDATA->HasNativeFontInfo() )
 917     {
 918         // the two low-order bits specify the pitch of the font, the rest is
 919         // family
 920         BYTE pitch = M_FONTDATA->GetNativeFontInfo().
 921                         lf.lfPitchAndFamily & PITCH_MASK;
 922
 923         return pitch == FIXED_PITCH;
 924     }
 925
 926     return wxFontBase::IsFixedWidth();
 927 }
 928