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 #if defined(__GNUG__) && !defined(NO_GCC_PRAGMA)
  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     #include "wx/encinfo.h"
  39 #endif // WX_PRECOMP
  40
  41 #include "wx/msw/private.h"
  42
  43 #include "wx/fontutil.h"
  44 #include "wx/fontmap.h"
  45
  46 #include "wx/tokenzr.h"
  47
  48 #if wxUSE_EXTENDED_RTTI
  49
  50 wxBEGIN_ENUM( wxFontFamily )
  51         wxENUM_MEMBER( wxDEFAULT )
  52         wxENUM_MEMBER( wxDECORATIVE )
  53         wxENUM_MEMBER( wxROMAN )
  54         wxENUM_MEMBER( wxSCRIPT )
  55         wxENUM_MEMBER( wxSWISS )
  56         wxENUM_MEMBER( wxMODERN )
  57         wxENUM_MEMBER( wxTELETYPE )
  58 wxEND_ENUM( wxFontFamily )
  59
  60 wxBEGIN_ENUM( wxFontStyle )
  61         wxENUM_MEMBER( wxNORMAL )
  62         wxENUM_MEMBER( wxITALIC )
  63         wxENUM_MEMBER( wxSLANT )
  64 wxEND_ENUM( wxFontStyle )
  65
  66 wxBEGIN_ENUM( wxFontWeight )
  67         wxENUM_MEMBER( wxNORMAL )
  68         wxENUM_MEMBER( wxLIGHT )
  69         wxENUM_MEMBER( wxBOLD )
  70 wxEND_ENUM( wxFontWeight )
  71
  72 IMPLEMENT_DYNAMIC_CLASS_WITH_COPY_XTI(wxFont, wxGDIObject,"wx/font.h")
  73
  74 wxBEGIN_PROPERTIES_TABLE(wxFont)
  75         wxPROPERTY( Size,int, SetPointSize, GetPointSize, 12 , 0 /*flags*/ , wxT("Helpstring") , wxT("group"))
  76         wxPROPERTY( Family, int  , SetFamily, GetFamily, (int)wxDEFAULT , 0 /*flags*/ , wxT("Helpstring") , wxT("group")) // wxFontFamily
  77         wxPROPERTY( Style, int , SetStyle, GetStyle, (int)wxNORMAL , 0 /*flags*/ , wxT("Helpstring") , wxT("group")) // wxFontStyle
  78         wxPROPERTY( Weight, int , SetWeight, GetWeight, (int)wxNORMAL , 0 /*flags*/ , wxT("Helpstring") , wxT("group")) // wxFontWeight
  79         wxPROPERTY( Underlined, bool , SetUnderlined, GetUnderlined, false , 0 /*flags*/ , wxT("Helpstring") , wxT("group"))
  80         wxPROPERTY( Face, wxString , SetFaceName, GetFaceName, EMPTY_MACROVALUE , 0 /*flags*/ , wxT("Helpstring") , wxT("group"))
  81         wxPROPERTY( Encoding, wxFontEncoding , SetEncoding, GetEncoding, wxFONTENCODING_DEFAULT , 0 /*flags*/ , wxT("Helpstring") , wxT("group"))
  82 wxEND_PROPERTIES_TABLE()
  83
  84 wxCONSTRUCTOR_6( wxFont , int , Size , int , Family , int , Style , int , Weight , bool , Underlined , wxString , Face )
  85
  86 wxBEGIN_HANDLERS_TABLE(wxFont)
  87 wxEND_HANDLERS_TABLE()
  88
  89 #else
  90         IMPLEMENT_DYNAMIC_CLASS(wxFont, wxGDIObject)
  91 #endif
  92
  93
  94 // ----------------------------------------------------------------------------
  95 // constants
  96 // ----------------------------------------------------------------------------
  97
  98 // the mask used to extract the pitch from LOGFONT::lfPitchAndFamily field
  99 static const int PITCH_MASK = FIXED_PITCH | VARIABLE_PITCH;
 100
 101 // ----------------------------------------------------------------------------
 102 // wxFontRefData - the internal description of the font
 103 // ----------------------------------------------------------------------------
 104
 105 class WXDLLEXPORT wxFontRefData: public wxGDIRefData
 106 {
 107 public:
 108     // constructors
 109     wxFontRefData()
 110     {
 111         Init(-1, wxFONTFAMILY_DEFAULT, wxFONTSTYLE_NORMAL, wxFONTWEIGHT_NORMAL,
 112              FALSE, wxEmptyString, wxFONTENCODING_DEFAULT);
 113     }
 114
 115     wxFontRefData(int size,
 116                   int family,
 117                   int style,
 118                   int weight,
 119                   bool underlined,
 120                   const wxString& faceName,
 121                   wxFontEncoding encoding)
 122     {
 123         Init(size, family, style, weight, underlined, faceName, encoding);
 124     }
 125
 126     wxFontRefData(const wxNativeFontInfo& info, WXHFONT hFont = 0)
 127     {
 128         Init(info, hFont);
 129     }
 130
 131     wxFontRefData(const wxFontRefData& data)
 132     {
 133         if ( data.m_nativeFontInfoOk )
 134         {
 135             Init(data.m_nativeFontInfo);
 136         }
 137         else
 138         {
 139             Init(data.m_pointSize, data.m_family, data.m_style, data.m_weight,
 140                  data.m_underlined, data.m_faceName, data.m_encoding);
 141         }
 142     }
 143
 144     virtual ~wxFontRefData();
 145
 146     // operations
 147     bool Alloc(wxFont *font);
 148
 149     void Free();
 150
 151     // all wxFont accessors
 152     int GetPointSize() const
 153     {
 154         return m_nativeFontInfoOk ? m_nativeFontInfo.GetPointSize()
 155                                   : m_pointSize;
 156     }
 157
 158     int GetFamily() const
 159     {
 160         return m_family;
 161     }
 162
 163     int GetStyle() const
 164     {
 165         return m_nativeFontInfoOk ? m_nativeFontInfo.GetStyle()
 166                                   : m_style;
 167     }
 168
 169     int GetWeight() const
 170     {
 171         return m_nativeFontInfoOk ? m_nativeFontInfo.GetWeight()
 172                                   : m_weight;
 173     }
 174
 175     bool GetUnderlined() const
 176     {
 177         return m_nativeFontInfoOk ? m_nativeFontInfo.GetUnderlined()
 178                                   : m_underlined;
 179     }
 180
 181     wxString GetFaceName() const
 182     {
 183         wxString s;
 184         if ( m_nativeFontInfoOk )
 185             s = m_nativeFontInfo.GetFaceName();
 186         else
 187             s = m_faceName;
 188
 189         return s;
 190     }
 191
 192     wxFontEncoding GetEncoding() const
 193     {
 194         return m_nativeFontInfoOk ? m_nativeFontInfo.GetEncoding()
 195                                   : m_encoding;
 196     }
 197
 198     WXHFONT GetHFONT() const { return m_hFont; }
 199
 200     // ... and setters
 201     void SetPointSize(int pointSize)
 202     {
 203         if ( m_nativeFontInfoOk )
 204             m_nativeFontInfo.SetPointSize(pointSize);
 205         else
 206             m_pointSize = pointSize;
 207     }
 208
 209     void SetFamily(int family)
 210     {
 211         m_family = family;
 212     }
 213
 214     void SetStyle(int style)
 215     {
 216         if ( m_nativeFontInfoOk )
 217             m_nativeFontInfo.SetStyle((wxFontStyle)style);
 218         else
 219             m_style = style;
 220     }
 221
 222     void SetWeight(int weight)
 223     {
 224         if ( m_nativeFontInfoOk )
 225             m_nativeFontInfo.SetWeight((wxFontWeight)weight);
 226         else
 227             m_weight = weight;
 228     }
 229
 230     void SetFaceName(const wxString& faceName)
 231     {
 232         if ( m_nativeFontInfoOk )
 233             m_nativeFontInfo.SetFaceName(faceName);
 234         else
 235             m_faceName = faceName;
 236     }
 237
 238     void SetUnderlined(bool underlined)
 239     {
 240         if ( m_nativeFontInfoOk )
 241             m_nativeFontInfo.SetUnderlined(underlined);
 242         else
 243             m_underlined = underlined;
 244     }
 245
 246     void SetEncoding(wxFontEncoding encoding)
 247     {
 248         if ( m_nativeFontInfoOk )
 249             m_nativeFontInfo.SetEncoding(encoding);
 250         else
 251             m_encoding = encoding;
 252     }
 253
 254     // native font info tests
 255     bool HasNativeFontInfo() const { return m_nativeFontInfoOk; }
 256
 257     const wxNativeFontInfo& GetNativeFontInfo() const
 258         { return m_nativeFontInfo; }
 259
 260 protected:
 261     // common part of all ctors
 262     void Init(int size,
 263               int family,
 264               int style,
 265               int weight,
 266               bool underlined,
 267               const wxString& faceName,
 268               wxFontEncoding encoding);
 269
 270     void Init(const wxNativeFontInfo& info, WXHFONT hFont = 0);
 271
 272     // font characterstics
 273     int           m_pointSize;
 274     int           m_family;
 275     int           m_style;
 276     int           m_weight;
 277     bool          m_underlined;
 278     wxString      m_faceName;
 279     wxFontEncoding m_encoding;
 280
 281     // Windows font handle
 282     WXHFONT       m_hFont;
 283
 284     // Native font info
 285     wxNativeFontInfo m_nativeFontInfo;
 286     bool             m_nativeFontInfoOk;
 287 };
 288
 289 // ============================================================================
 290 // implementation
 291 // ============================================================================
 292
 293 // ----------------------------------------------------------------------------
 294 // wxFontRefData
 295 // ----------------------------------------------------------------------------
 296
 297 void wxFontRefData::Init(int pointSize,
 298                          int family,
 299                          int style,
 300                          int weight,
 301                          bool underlined,
 302                          const wxString& faceName,
 303                          wxFontEncoding encoding)
 304 {
 305     m_style = style;
 306     m_pointSize = pointSize == -1 ? wxNORMAL_FONT->GetPointSize() : pointSize;
 307     m_family = family;
 308     m_style = style;
 309     m_weight = weight;
 310     m_underlined = underlined;
 311     m_faceName = faceName;
 312     m_encoding = encoding;
 313
 314     m_hFont = 0;
 315
 316     m_nativeFontInfoOk = FALSE;
 317 }
 318
 319 void wxFontRefData::Init(const wxNativeFontInfo& info, WXHFONT hFont)
 320 {
 321     // hFont may be zero, or it be passed in case we really want to
 322     // use the exact font created in the underlying system
 323     // (for example where we can't guarantee conversion from HFONT
 324     // to LOGFONT back to HFONT)
 325     m_hFont = hFont;
 326
 327     m_nativeFontInfoOk = TRUE;
 328     m_nativeFontInfo = info;
 329     // This is the best we can do since we don't have the
 330     // correct information at this point.
 331     m_family = wxSWISS;
 332 }
 333
 334 wxFontRefData::~wxFontRefData()
 335 {
 336     Free();
 337 }
 338
 339 bool wxFontRefData::Alloc(wxFont *font)
 340 {
 341     if ( !m_nativeFontInfoOk )
 342     {
 343         wxFillLogFont(&m_nativeFontInfo.lf, font);
 344         m_nativeFontInfoOk = TRUE;
 345     }
 346
 347     HFONT hfont = ::CreateFontIndirect(&m_nativeFontInfo.lf);
 348     if ( !hfont )
 349     {
 350         wxLogLastError(wxT("CreateFont"));
 351
 352         return FALSE;
 353     }
 354
 355     m_hFont = (WXHFONT)hfont;
 356
 357     return TRUE;
 358 }
 359
 360 void wxFontRefData::Free()
 361 {
 362     if ( m_hFont )
 363     {
 364         if ( !::DeleteObject((HFONT) m_hFont) )
 365         {
 366             wxLogLastError(wxT("DeleteObject(font)"));
 367         }
 368
 369         m_hFont = 0;
 370     }
 371 }
 372
 373 // ----------------------------------------------------------------------------
 374 // wxNativeFontInfo
 375 // ----------------------------------------------------------------------------
 376
 377 void wxNativeFontInfo::Init()
 378 {
 379     wxZeroMemory(lf);
 380 }
 381
 382 int wxNativeFontInfo::GetPointSize() const
 383 {
 384     // FIXME: using the screen here results in incorrect font size calculation
 385     //        for printing!
 386     const int ppInch = ::GetDeviceCaps(ScreenHDC(), LOGPIXELSY);
 387
 388     return (int) (((72.0*(double)abs(lf.lfHeight)) / (double) ppInch) + 0.5);
 389 }
 390
 391 wxFontStyle wxNativeFontInfo::GetStyle() const
 392 {
 393     return lf.lfItalic ? wxFONTSTYLE_ITALIC : wxFONTSTYLE_NORMAL;
 394 }
 395
 396 wxFontWeight wxNativeFontInfo::GetWeight() const
 397 {
 398     if ( lf.lfWeight <= 300 )
 399         return wxFONTWEIGHT_LIGHT;
 400
 401     if ( lf.lfWeight >= 600 )
 402         return wxFONTWEIGHT_BOLD;
 403
 404     return wxFONTWEIGHT_NORMAL;
 405 }
 406
 407 bool wxNativeFontInfo::GetUnderlined() const
 408 {
 409     return lf.lfUnderline != 0;
 410 }
 411
 412 wxString wxNativeFontInfo::GetFaceName() const
 413 {
 414     return lf.lfFaceName;
 415 }
 416
 417 wxFontFamily wxNativeFontInfo::GetFamily() const
 418 {
 419     wxFontFamily family;
 420
 421     // extract family from pitch-and-family
 422     switch ( lf.lfPitchAndFamily & ~PITCH_MASK )
 423     {
 424         case FF_ROMAN:
 425             family = wxFONTFAMILY_ROMAN;
 426             break;
 427
 428         default:
 429             wxFAIL_MSG( _T("unknown LOGFONT::lfFamily value") );
 430             // fall through
 431
 432         case FF_SWISS:
 433             family = wxFONTFAMILY_SWISS;
 434             break;
 435
 436         case FF_SCRIPT:
 437             family = wxFONTFAMILY_SCRIPT;
 438             break;
 439
 440         case FF_MODERN:
 441             family = wxFONTFAMILY_MODERN;
 442             break;
 443
 444         case FF_DECORATIVE:
 445             family = wxFONTFAMILY_DECORATIVE;
 446             break;
 447     }
 448
 449     return family;
 450 }
 451
 452 wxFontEncoding wxNativeFontInfo::GetEncoding() const
 453 {
 454     return wxGetFontEncFromCharSet(lf.lfCharSet);
 455 }
 456
 457 void wxNativeFontInfo::SetPointSize(int pointsize)
 458 {
 459 #if wxFONT_SIZE_COMPATIBILITY
 460     // Incorrect, but compatible with old wxWindows behaviour
 461     lf.lfHeight = (pointSize*ppInch)/72;
 462 #else // wxFONT_SIZE_COMPATIBILITY
 463     // FIXME: using the screen here results in incorrect font size calculation
 464     //        for printing!
 465     const int ppInch = ::GetDeviceCaps(ScreenHDC(), LOGPIXELSY);
 466
 467     lf.lfHeight = -(int)((pointsize*((double)ppInch)/72.0) + 0.5);
 468 #endif // wxFONT_SIZE_COMPATIBILITY/!wxFONT_SIZE_COMPATIBILITY
 469 }
 470
 471 void wxNativeFontInfo::SetStyle(wxFontStyle style)
 472 {
 473     switch ( style )
 474     {
 475         default:
 476             wxFAIL_MSG( _T("unknown font style") );
 477             // fall through
 478
 479         case wxFONTSTYLE_NORMAL:
 480             lf.lfItalic = FALSE;
 481             break;
 482
 483         case wxFONTSTYLE_ITALIC:
 484         case wxFONTSTYLE_SLANT:
 485             lf.lfItalic = TRUE;
 486             break;
 487     }
 488 }
 489
 490 void wxNativeFontInfo::SetWeight(wxFontWeight weight)
 491 {
 492     switch ( weight )
 493     {
 494         default:
 495             wxFAIL_MSG( _T("unknown font weight") );
 496             // fall through
 497
 498         case wxFONTWEIGHT_NORMAL:
 499             lf.lfWeight = FW_NORMAL;
 500             break;
 501
 502         case wxFONTWEIGHT_LIGHT:
 503             lf.lfWeight = FW_LIGHT;
 504             break;
 505
 506         case wxFONTWEIGHT_BOLD:
 507             lf.lfWeight = FW_BOLD;
 508             break;
 509     }
 510 }
 511
 512 void wxNativeFontInfo::SetUnderlined(bool underlined)
 513 {
 514     lf.lfUnderline = underlined;
 515 }
 516
 517 void wxNativeFontInfo::SetFaceName(wxString facename)
 518 {
 519     wxStrncpy(lf.lfFaceName, facename, WXSIZEOF(lf.lfFaceName));
 520 }
 521
 522 void wxNativeFontInfo::SetFamily(wxFontFamily family)
 523 {
 524     int ff_family;
 525     wxString facename;
 526
 527     switch ( family )
 528     {
 529         case wxSCRIPT:
 530             ff_family = FF_SCRIPT;
 531             facename = _T("Script");
 532             break;
 533
 534         case wxDECORATIVE:
 535             ff_family = FF_DECORATIVE;
 536             facename = _T("Old English Text MT");
 537             break;
 538
 539         case wxROMAN:
 540             ff_family = FF_ROMAN;
 541             facename = _T("Times New Roman");
 542             break;
 543
 544         case wxTELETYPE:
 545         case wxMODERN:
 546             ff_family = FF_MODERN;
 547             facename = _T("Courier New");
 548             break;
 549
 550         case wxSWISS:
 551             ff_family = FF_SWISS;
 552             facename = _T("Arial");
 553             break;
 554
 555         case wxDEFAULT:
 556         default:
 557             ff_family = FF_SWISS;
 558             facename = _T("MS Sans Serif");
 559     }
 560
 561     lf.lfPitchAndFamily = DEFAULT_PITCH | ff_family;
 562
 563     if ( !wxStrlen(lf.lfFaceName) )
 564     {
 565         SetFaceName(facename);
 566     }
 567 }
 568
 569 void wxNativeFontInfo::SetEncoding(wxFontEncoding encoding)
 570 {
 571     wxNativeEncodingInfo info;
 572     if ( !wxGetNativeFontEncoding(encoding, &info) )
 573     {
 574 #if wxUSE_FONTMAP
 575         if ( wxFontMapper::Get()->GetAltForEncoding(encoding, &info) )
 576         {
 577             if ( !info.facename.empty() )
 578             {
 579                 // if we have this encoding only in some particular facename, use
 580                 // the facename - it is better to show the correct characters in a
 581                 // wrong facename than unreadable text in a correct one
 582                 SetFaceName(info.facename);
 583             }
 584         }
 585         else
 586 #endif // wxUSE_FONTMAP
 587         {
 588             // unsupported encoding, replace with the default
 589             info.charset = DEFAULT_CHARSET;
 590         }
 591     }
 592
 593     lf.lfCharSet = info.charset;
 594 }
 595
 596 bool wxNativeFontInfo::FromString(const wxString& s)
 597 {
 598     long l;
 599
 600     wxStringTokenizer tokenizer(s, _T(";"));
 601
 602     // first the version
 603     wxString token = tokenizer.GetNextToken();
 604     if ( token != _T('0') )
 605         return FALSE;
 606
 607     token = tokenizer.GetNextToken();
 608     if ( !token.ToLong(&l) )
 609         return FALSE;
 610     lf.lfHeight = l;
 611
 612     token = tokenizer.GetNextToken();
 613     if ( !token.ToLong(&l) )
 614         return FALSE;
 615     lf.lfWidth = l;
 616
 617     token = tokenizer.GetNextToken();
 618     if ( !token.ToLong(&l) )
 619         return FALSE;
 620     lf.lfEscapement = l;
 621
 622     token = tokenizer.GetNextToken();
 623     if ( !token.ToLong(&l) )
 624         return FALSE;
 625     lf.lfOrientation = l;
 626
 627     token = tokenizer.GetNextToken();
 628     if ( !token.ToLong(&l) )
 629         return FALSE;
 630     lf.lfWeight = l;
 631
 632     token = tokenizer.GetNextToken();
 633     if ( !token.ToLong(&l) )
 634         return FALSE;
 635     lf.lfItalic = (BYTE)l;
 636
 637     token = tokenizer.GetNextToken();
 638     if ( !token.ToLong(&l) )
 639         return FALSE;
 640     lf.lfUnderline = (BYTE)l;
 641
 642     token = tokenizer.GetNextToken();
 643     if ( !token.ToLong(&l) )
 644         return FALSE;
 645     lf.lfStrikeOut = (BYTE)l;
 646
 647     token = tokenizer.GetNextToken();
 648     if ( !token.ToLong(&l) )
 649         return FALSE;
 650     lf.lfCharSet = (BYTE)l;
 651
 652     token = tokenizer.GetNextToken();
 653     if ( !token.ToLong(&l) )
 654         return FALSE;
 655     lf.lfOutPrecision = (BYTE)l;
 656
 657     token = tokenizer.GetNextToken();
 658     if ( !token.ToLong(&l) )
 659         return FALSE;
 660     lf.lfClipPrecision = (BYTE)l;
 661
 662     token = tokenizer.GetNextToken();
 663     if ( !token.ToLong(&l) )
 664         return FALSE;
 665     lf.lfQuality = (BYTE)l;
 666
 667     token = tokenizer.GetNextToken();
 668     if ( !token.ToLong(&l) )
 669         return FALSE;
 670     lf.lfPitchAndFamily = (BYTE)l;
 671
 672     token = tokenizer.GetNextToken();
 673     if(!token)
 674         return FALSE;
 675     wxStrcpy(lf.lfFaceName, token.c_str());
 676
 677     return TRUE;
 678 }
 679
 680 wxString wxNativeFontInfo::ToString() const
 681 {
 682     wxString s;
 683
 684     s.Printf(_T("%d;%ld;%ld;%ld;%ld;%ld;%d;%d;%d;%d;%d;%d;%d;%d;%s"),
 685              0, // version, in case we want to change the format later
 686              lf.lfHeight,
 687              lf.lfWidth,
 688              lf.lfEscapement,
 689              lf.lfOrientation,
 690              lf.lfWeight,
 691              lf.lfItalic,
 692              lf.lfUnderline,
 693              lf.lfStrikeOut,
 694              lf.lfCharSet,
 695              lf.lfOutPrecision,
 696              lf.lfClipPrecision,
 697              lf.lfQuality,
 698              lf.lfPitchAndFamily,
 699              lf.lfFaceName);
 700
 701     return s;
 702 }
 703
 704 // ----------------------------------------------------------------------------
 705 // wxFont
 706 // ----------------------------------------------------------------------------
 707
 708 void wxFont::Init()
 709 {
 710 }
 711
 712 bool wxFont::Create(const wxNativeFontInfo& info, WXHFONT hFont)
 713 {
 714     UnRef();
 715
 716     m_refData = new wxFontRefData(info, hFont);
 717
 718     RealizeResource();
 719
 720     return TRUE;
 721 }
 722
 723 wxFont::wxFont(const wxString& fontdesc)
 724 {
 725     wxNativeFontInfo info;
 726     if ( info.FromString(fontdesc) )
 727         (void)Create(info);
 728 }
 729
 730 /* Constructor for a font. Note that the real construction is done
 731  * in wxDC::SetFont, when information is available about scaling etc.
 732  */
 733 bool wxFont::Create(int pointSize,
 734                     int family,
 735                     int style,
 736                     int weight,
 737                     bool underlined,
 738                     const wxString& faceName,
 739                     wxFontEncoding encoding)
 740 {
 741     UnRef();
 742
 743     // wxDEFAULT is a valid value for the font size too so we must treat it
 744     // specially here (otherwise the size would be 70 == wxDEFAULT value)
 745     if ( pointSize == wxDEFAULT )
 746     {
 747         pointSize = wxNORMAL_FONT->GetPointSize();
 748     }
 749
 750     m_refData = new wxFontRefData(pointSize, family, style, weight,
 751                                   underlined, faceName, encoding);
 752
 753     RealizeResource();
 754
 755     return TRUE;
 756 }
 757
 758 wxFont::~wxFont()
 759 {
 760 }
 761
 762 // ----------------------------------------------------------------------------
 763 // real implementation
 764 // ----------------------------------------------------------------------------
 765
 766 bool wxFont::RealizeResource()
 767 {
 768     if ( GetResourceHandle() )
 769     {
 770         // VZ: the old code returned FALSE in this case, but it doesn't seem
 771         //     to make sense because the font _was_ created
 772         return TRUE;
 773     }
 774
 775     return M_FONTDATA->Alloc(this);
 776 }
 777
 778 bool wxFont::FreeResource(bool WXUNUSED(force))
 779 {
 780     if ( GetResourceHandle() )
 781     {
 782         M_FONTDATA->Free();
 783
 784         return TRUE;
 785     }
 786
 787     return FALSE;
 788 }
 789
 790 WXHANDLE wxFont::GetResourceHandle() const
 791 {
 792     return (WXHANDLE)GetHFONT();
 793 }
 794
 795 WXHFONT wxFont::GetHFONT() const
 796 {
 797     return M_FONTDATA ? M_FONTDATA->GetHFONT() : 0;
 798 }
 799
 800 bool wxFont::IsFree() const
 801 {
 802     return M_FONTDATA && (M_FONTDATA->GetHFONT() == 0);
 803 }
 804
 805 void wxFont::Unshare()
 806 {
 807     // Don't change shared data
 808     if ( !m_refData )
 809     {
 810         m_refData = new wxFontRefData();
 811     }
 812     else
 813     {
 814         wxFontRefData* ref = new wxFontRefData(*M_FONTDATA);
 815         UnRef();
 816         m_refData = ref;
 817     }
 818 }
 819
 820 // ----------------------------------------------------------------------------
 821 // change font attribute: we recreate font when doing it
 822 // ----------------------------------------------------------------------------
 823
 824 void wxFont::SetPointSize(int pointSize)
 825 {
 826     Unshare();
 827
 828     M_FONTDATA->SetPointSize(pointSize);
 829
 830     RealizeResource();
 831 }
 832
 833 void wxFont::SetFamily(int family)
 834 {
 835     Unshare();
 836
 837     M_FONTDATA->SetFamily(family);
 838
 839     RealizeResource();
 840 }
 841
 842 void wxFont::SetStyle(int style)
 843 {
 844     Unshare();
 845
 846     M_FONTDATA->SetStyle(style);
 847
 848     RealizeResource();
 849 }
 850
 851 void wxFont::SetWeight(int weight)
 852 {
 853     Unshare();
 854
 855     M_FONTDATA->SetWeight(weight);
 856
 857     RealizeResource();
 858 }
 859
 860 void wxFont::SetFaceName(const wxString& faceName)
 861 {
 862     Unshare();
 863
 864     M_FONTDATA->SetFaceName(faceName);
 865
 866     RealizeResource();
 867 }
 868
 869 void wxFont::SetUnderlined(bool underlined)
 870 {
 871     Unshare();
 872
 873     M_FONTDATA->SetUnderlined(underlined);
 874
 875     RealizeResource();
 876 }
 877
 878 void wxFont::SetEncoding(wxFontEncoding encoding)
 879 {
 880     Unshare();
 881
 882     M_FONTDATA->SetEncoding(encoding);
 883
 884     RealizeResource();
 885 }
 886
 887 void wxFont::DoSetNativeFontInfo(const wxNativeFontInfo& info)
 888 {
 889     Unshare();
 890
 891     FreeResource();
 892
 893     *M_FONTDATA = wxFontRefData(info);
 894
 895     RealizeResource();
 896 }
 897
 898 // ----------------------------------------------------------------------------
 899 // accessors
 900 // ----------------------------------------------------------------------------
 901
 902 int wxFont::GetPointSize() const
 903 {
 904     wxCHECK_MSG( Ok(), 0, wxT("invalid font") );
 905
 906     return M_FONTDATA->GetPointSize();
 907 }
 908
 909 int wxFont::GetFamily() const
 910 {
 911     wxCHECK_MSG( Ok(), 0, wxT("invalid font") );
 912
 913     return M_FONTDATA->GetFamily();
 914 }
 915
 916 int wxFont::GetStyle() const
 917 {
 918     wxCHECK_MSG( Ok(), 0, wxT("invalid font") );
 919
 920     return M_FONTDATA->GetStyle();
 921 }
 922
 923 int wxFont::GetWeight() const
 924 {
 925     wxCHECK_MSG( Ok(), 0, wxT("invalid font") );
 926
 927     return M_FONTDATA->GetWeight();
 928 }
 929
 930 bool wxFont::GetUnderlined() const
 931 {
 932     wxCHECK_MSG( Ok(), FALSE, wxT("invalid font") );
 933
 934     return M_FONTDATA->GetUnderlined();
 935 }
 936
 937 wxString wxFont::GetFaceName() const
 938 {
 939     wxCHECK_MSG( Ok(), wxEmptyString, wxT("invalid font") );
 940
 941     return M_FONTDATA->GetFaceName();
 942 }
 943
 944 wxFontEncoding wxFont::GetEncoding() const
 945 {
 946     wxCHECK_MSG( Ok(), wxFONTENCODING_DEFAULT, wxT("invalid font") );
 947
 948     return M_FONTDATA->GetEncoding();
 949 }
 950
 951 const wxNativeFontInfo *wxFont::GetNativeFontInfo() const
 952 {
 953     return M_FONTDATA->HasNativeFontInfo() ? &(M_FONTDATA->GetNativeFontInfo())
 954                                            : NULL;
 955 }
 956
 957 bool wxFont::IsFixedWidth() const
 958 {
 959     if ( M_FONTDATA->HasNativeFontInfo() )
 960     {
 961         // the two low-order bits specify the pitch of the font, the rest is
 962         // family
 963         BYTE pitch = M_FONTDATA->GetNativeFontInfo().
 964                         lf.lfPitchAndFamily & PITCH_MASK;
 965
 966         return pitch == FIXED_PITCH;
 967     }
 968
 969     return wxFontBase::IsFixedWidth();
 970 }
 971